gotosocial/vendor/github.com/klauspost/compress/s2/encodeblock_amd64.s

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// Code generated by command: go run gen.go -out ../encodeblock_amd64.s -stubs ../encodeblock_amd64.go -pkg=s2. DO NOT EDIT.
// +build !appengine
// +build !noasm
// +build gc
#include "textflag.h"
// func encodeBlockAsm(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBlockAsm(SB), $65560-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000200, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBlockAsm:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBlockAsm
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBlockAsm:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBlockAsm
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x10, R11
IMULQ R9, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeBlockAsm
LEAL 1(CX), DI
MOVL 12(SP), R8
MOVL DI, SI
SUBL 16(SP), SI
JZ repeat_extend_back_end_encodeBlockAsm
repeat_extend_back_loop_encodeBlockAsm:
CMPL DI, R8
JLE repeat_extend_back_end_encodeBlockAsm
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeBlockAsm
LEAL -1(DI), DI
DECL SI
JNZ repeat_extend_back_loop_encodeBlockAsm
repeat_extend_back_end_encodeBlockAsm:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeBlockAsm
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeBlockAsm
CMPL SI, $0x00010000
JLT three_bytes_repeat_emit_encodeBlockAsm
CMPL SI, $0x01000000
JLT four_bytes_repeat_emit_encodeBlockAsm
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_repeat_emit_encodeBlockAsm
four_bytes_repeat_emit_encodeBlockAsm:
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_repeat_emit_encodeBlockAsm
three_bytes_repeat_emit_encodeBlockAsm:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeBlockAsm
two_bytes_repeat_emit_encodeBlockAsm:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeBlockAsm
JMP memmove_long_repeat_emit_encodeBlockAsm
one_byte_repeat_emit_encodeBlockAsm:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm
emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm
emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm
emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_repeat_emit_encodeBlockAsm:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeBlockAsm
memmove_long_repeat_emit_encodeBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R12
SHRQ $0x05, R12
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R13
SUBQ R11, R13
DECQ R12
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32
LEAQ -32(R10)(R13*1), R11
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R11
ADDQ $0x20, R13
DECQ R12
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(R10)(R13*1), X4
MOVOU -16(R10)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R9, R13
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeBlockAsm:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R9
SUBL CX, R9
LEAQ (DX)(CX*1), R10
LEAQ (DX)(SI*1), SI
// matchLen
XORL R12, R12
CMPL R9, $0x08
JL matchlen_single_repeat_extend_encodeBlockAsm
matchlen_loopback_repeat_extend_encodeBlockAsm:
MOVQ (R10)(R12*1), R11
XORQ (SI)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_repeat_extend_encodeBlockAsm
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP repeat_extend_forward_end_encodeBlockAsm
matchlen_loop_repeat_extend_encodeBlockAsm:
LEAL -8(R9), R9
LEAL 8(R12), R12
CMPL R9, $0x08
JGE matchlen_loopback_repeat_extend_encodeBlockAsm
matchlen_single_repeat_extend_encodeBlockAsm:
TESTL R9, R9
JZ repeat_extend_forward_end_encodeBlockAsm
matchlen_single_loopback_repeat_extend_encodeBlockAsm:
MOVB (R10)(R12*1), R11
CMPB (SI)(R12*1), R11
JNE repeat_extend_forward_end_encodeBlockAsm
LEAL 1(R12), R12
DECL R9
JNZ matchlen_single_loopback_repeat_extend_encodeBlockAsm
repeat_extend_forward_end_encodeBlockAsm:
ADDL R12, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
TESTL R8, R8
JZ repeat_as_copy_encodeBlockAsm
// emitRepeat
emit_repeat_again_match_repeat_encodeBlockAsm:
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_match_repeat_encodeBlockAsm
CMPL R8, $0x0c
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm
CMPL DI, $0x00000800
JLT repeat_two_offset_match_repeat_encodeBlockAsm
cant_repeat_two_offset_match_repeat_encodeBlockAsm:
CMPL SI, $0x00000104
JLT repeat_three_match_repeat_encodeBlockAsm
CMPL SI, $0x00010100
JLT repeat_four_match_repeat_encodeBlockAsm
CMPL SI, $0x0100ffff
JLT repeat_five_match_repeat_encodeBlockAsm
LEAL -16842747(SI), SI
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_repeat_encodeBlockAsm
repeat_five_match_repeat_encodeBlockAsm:
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_four_match_repeat_encodeBlockAsm:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_three_match_repeat_encodeBlockAsm:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_match_repeat_encodeBlockAsm:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_offset_match_repeat_encodeBlockAsm:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_as_copy_encodeBlockAsm:
// emitCopy
CMPL DI, $0x00010000
JL two_byte_offset_repeat_as_copy_encodeBlockAsm
four_bytes_loop_back_repeat_as_copy_encodeBlockAsm:
CMPL SI, $0x40
JLE four_bytes_remain_repeat_as_copy_encodeBlockAsm
MOVB $0xff, (AX)
MOVL DI, 1(AX)
LEAL -64(SI), SI
ADDQ $0x05, AX
CMPL SI, $0x04
JL four_bytes_remain_repeat_as_copy_encodeBlockAsm
// emitRepeat
emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy:
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy
CMPL SI, $0x00010100
JLT repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy
CMPL SI, $0x0100ffff
JLT repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy
LEAL -16842747(SI), SI
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy
repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy:
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
JMP four_bytes_loop_back_repeat_as_copy_encodeBlockAsm
four_bytes_remain_repeat_as_copy_encodeBlockAsm:
TESTL SI, SI
JZ repeat_end_emit_encodeBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVL DI, 1(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm
two_byte_offset_repeat_as_copy_encodeBlockAsm:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
// emitRepeat
emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy_short:
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy_short
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy_short
CMPL SI, $0x00010100
JLT repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy_short
CMPL SI, $0x0100ffff
JLT repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy_short
LEAL -16842747(SI), SI
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy_short
repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy_short:
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy_short:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy_short:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy_short:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm
two_byte_offset_short_repeat_as_copy_encodeBlockAsm:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm
emit_copy_three_repeat_as_copy_encodeBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeBlockAsm:
MOVL CX, 12(SP)
JMP search_loop_encodeBlockAsm
no_repeat_found_encodeBlockAsm:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBlockAsm
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeBlockAsm
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeBlockAsm
MOVL 20(SP), CX
JMP search_loop_encodeBlockAsm
candidate3_match_encodeBlockAsm:
ADDL $0x02, CX
JMP candidate_match_encodeBlockAsm
candidate2_match_encodeBlockAsm:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeBlockAsm:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBlockAsm
match_extend_back_loop_encodeBlockAsm:
CMPL CX, DI
JLE match_extend_back_end_encodeBlockAsm
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBlockAsm
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBlockAsm
JMP match_extend_back_loop_encodeBlockAsm
match_extend_back_end_encodeBlockAsm:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 5(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBlockAsm:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeBlockAsm
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeBlockAsm
CMPL R8, $0x00010000
JLT three_bytes_match_emit_encodeBlockAsm
CMPL R8, $0x01000000
JLT four_bytes_match_emit_encodeBlockAsm
MOVB $0xfc, (AX)
MOVL R8, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_match_emit_encodeBlockAsm
four_bytes_match_emit_encodeBlockAsm:
MOVL R8, R10
SHRL $0x10, R10
MOVB $0xf8, (AX)
MOVW R8, 1(AX)
MOVB R10, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeBlockAsm
three_bytes_match_emit_encodeBlockAsm:
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBlockAsm
two_bytes_match_emit_encodeBlockAsm:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeBlockAsm
JMP memmove_long_match_emit_encodeBlockAsm
one_byte_match_emit_encodeBlockAsm:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBlockAsm:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeBlockAsm
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBlockAsm:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeBlockAsm
memmove_long_match_emit_encodeBlockAsm:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeBlockAsm:
match_nolit_loop_encodeBlockAsm:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeBlockAsm
matchlen_loopback_match_nolit_encodeBlockAsm:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeBlockAsm
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeBlockAsm
matchlen_loop_match_nolit_encodeBlockAsm:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeBlockAsm
matchlen_single_match_nolit_encodeBlockAsm:
TESTL DI, DI
JZ match_nolit_end_encodeBlockAsm
matchlen_single_loopback_match_nolit_encodeBlockAsm:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeBlockAsm
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeBlockAsm
match_nolit_end_encodeBlockAsm:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
CMPL SI, $0x00010000
JL two_byte_offset_match_nolit_encodeBlockAsm
four_bytes_loop_back_match_nolit_encodeBlockAsm:
CMPL R10, $0x40
JLE four_bytes_remain_match_nolit_encodeBlockAsm
MOVB $0xff, (AX)
MOVL SI, 1(AX)
LEAL -64(R10), R10
ADDQ $0x05, AX
CMPL R10, $0x04
JL four_bytes_remain_match_nolit_encodeBlockAsm
// emitRepeat
emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy:
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm_emit_copy
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy
cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm_emit_copy
CMPL R10, $0x00010100
JLT repeat_four_match_nolit_encodeBlockAsm_emit_copy
CMPL R10, $0x0100ffff
JLT repeat_five_match_nolit_encodeBlockAsm_emit_copy
LEAL -16842747(R10), R10
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy
repeat_five_match_nolit_encodeBlockAsm_emit_copy:
LEAL -65536(R10), R10
MOVL R10, SI
MOVW $0x001d, (AX)
MOVW R10, 2(AX)
SARL $0x10, SI
MOVB SI, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_four_match_nolit_encodeBlockAsm_emit_copy:
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_three_match_nolit_encodeBlockAsm_emit_copy:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_two_match_nolit_encodeBlockAsm_emit_copy:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
JMP four_bytes_loop_back_match_nolit_encodeBlockAsm
four_bytes_remain_match_nolit_encodeBlockAsm:
TESTL R10, R10
JZ match_nolit_emitcopy_end_encodeBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
two_byte_offset_match_nolit_encodeBlockAsm:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeBlockAsm
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
// emitRepeat
emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy_short:
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm_emit_copy_short
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm_emit_copy_short
CMPL R10, $0x00010100
JLT repeat_four_match_nolit_encodeBlockAsm_emit_copy_short
CMPL R10, $0x0100ffff
JLT repeat_five_match_nolit_encodeBlockAsm_emit_copy_short
LEAL -16842747(R10), R10
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy_short
repeat_five_match_nolit_encodeBlockAsm_emit_copy_short:
LEAL -65536(R10), R10
MOVL R10, SI
MOVW $0x001d, (AX)
MOVW R10, 2(AX)
SARL $0x10, SI
MOVB SI, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_four_match_nolit_encodeBlockAsm_emit_copy_short:
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_three_match_nolit_encodeBlockAsm_emit_copy_short:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_two_match_nolit_encodeBlockAsm_emit_copy_short:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
JMP two_byte_offset_match_nolit_encodeBlockAsm
two_byte_offset_short_match_nolit_encodeBlockAsm:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeBlockAsm
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm
emit_copy_three_match_nolit_encodeBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeBlockAsm:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBlockAsm
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBlockAsm:
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x10, R8
IMULQ R9, R8
SHRQ $0x32, R8
SHLQ $0x10, SI
IMULQ R9, SI
SHRQ $0x32, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeBlockAsm
INCL CX
JMP search_loop_encodeBlockAsm
emit_remainder_encodeBlockAsm:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 5(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBlockAsm:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBlockAsm
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBlockAsm
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBlockAsm
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeBlockAsm
CMPL DX, $0x01000000
JLT four_bytes_emit_remainder_encodeBlockAsm
MOVB $0xfc, (AX)
MOVL DX, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_emit_remainder_encodeBlockAsm
four_bytes_emit_remainder_encodeBlockAsm:
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeBlockAsm
three_bytes_emit_remainder_encodeBlockAsm:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBlockAsm
two_bytes_emit_remainder_encodeBlockAsm:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBlockAsm
JMP memmove_long_emit_remainder_encodeBlockAsm
one_byte_emit_remainder_encodeBlockAsm:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBlockAsm:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBlockAsm
memmove_long_emit_remainder_encodeBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBlockAsm:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBlockAsm4MB(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBlockAsm4MB(SB), $65560-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000200, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBlockAsm4MB:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBlockAsm4MB
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBlockAsm4MB:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBlockAsm4MB
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x10, R11
IMULQ R9, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeBlockAsm4MB
LEAL 1(CX), DI
MOVL 12(SP), R8
MOVL DI, SI
SUBL 16(SP), SI
JZ repeat_extend_back_end_encodeBlockAsm4MB
repeat_extend_back_loop_encodeBlockAsm4MB:
CMPL DI, R8
JLE repeat_extend_back_end_encodeBlockAsm4MB
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeBlockAsm4MB
LEAL -1(DI), DI
DECL SI
JNZ repeat_extend_back_loop_encodeBlockAsm4MB
repeat_extend_back_end_encodeBlockAsm4MB:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeBlockAsm4MB
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeBlockAsm4MB
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeBlockAsm4MB
CMPL SI, $0x00010000
JLT three_bytes_repeat_emit_encodeBlockAsm4MB
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
three_bytes_repeat_emit_encodeBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
two_bytes_repeat_emit_encodeBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeBlockAsm4MB
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
one_byte_repeat_emit_encodeBlockAsm4MB:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_repeat_emit_encodeBlockAsm4MB:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeBlockAsm4MB
memmove_long_repeat_emit_encodeBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R12
SHRQ $0x05, R12
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R13
SUBQ R11, R13
DECQ R12
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(R10)(R13*1), R11
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R11
ADDQ $0x20, R13
DECQ R12
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(R10)(R13*1), X4
MOVOU -16(R10)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R9, R13
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeBlockAsm4MB:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R9
SUBL CX, R9
LEAQ (DX)(CX*1), R10
LEAQ (DX)(SI*1), SI
// matchLen
XORL R12, R12
CMPL R9, $0x08
JL matchlen_single_repeat_extend_encodeBlockAsm4MB
matchlen_loopback_repeat_extend_encodeBlockAsm4MB:
MOVQ (R10)(R12*1), R11
XORQ (SI)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_repeat_extend_encodeBlockAsm4MB
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP repeat_extend_forward_end_encodeBlockAsm4MB
matchlen_loop_repeat_extend_encodeBlockAsm4MB:
LEAL -8(R9), R9
LEAL 8(R12), R12
CMPL R9, $0x08
JGE matchlen_loopback_repeat_extend_encodeBlockAsm4MB
matchlen_single_repeat_extend_encodeBlockAsm4MB:
TESTL R9, R9
JZ repeat_extend_forward_end_encodeBlockAsm4MB
matchlen_single_loopback_repeat_extend_encodeBlockAsm4MB:
MOVB (R10)(R12*1), R11
CMPB (SI)(R12*1), R11
JNE repeat_extend_forward_end_encodeBlockAsm4MB
LEAL 1(R12), R12
DECL R9
JNZ matchlen_single_loopback_repeat_extend_encodeBlockAsm4MB
repeat_extend_forward_end_encodeBlockAsm4MB:
ADDL R12, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
TESTL R8, R8
JZ repeat_as_copy_encodeBlockAsm4MB
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_match_repeat_encodeBlockAsm4MB
CMPL R8, $0x0c
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm4MB
CMPL DI, $0x00000800
JLT repeat_two_offset_match_repeat_encodeBlockAsm4MB
cant_repeat_two_offset_match_repeat_encodeBlockAsm4MB:
CMPL SI, $0x00000104
JLT repeat_three_match_repeat_encodeBlockAsm4MB
CMPL SI, $0x00010100
JLT repeat_four_match_repeat_encodeBlockAsm4MB
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_four_match_repeat_encodeBlockAsm4MB:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_three_match_repeat_encodeBlockAsm4MB:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_match_repeat_encodeBlockAsm4MB:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_offset_match_repeat_encodeBlockAsm4MB:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_as_copy_encodeBlockAsm4MB:
// emitCopy
CMPL DI, $0x00010000
JL two_byte_offset_repeat_as_copy_encodeBlockAsm4MB
four_bytes_loop_back_repeat_as_copy_encodeBlockAsm4MB:
CMPL SI, $0x40
JLE four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB
MOVB $0xff, (AX)
MOVL DI, 1(AX)
LEAL -64(SI), SI
ADDQ $0x05, AX
CMPL SI, $0x04
JL four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy
CMPL SI, $0x00010100
JLT repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
JMP four_bytes_loop_back_repeat_as_copy_encodeBlockAsm4MB
four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB:
TESTL SI, SI
JZ repeat_end_emit_encodeBlockAsm4MB
MOVB $0x03, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVL DI, 1(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm4MB
two_byte_offset_repeat_as_copy_encodeBlockAsm4MB:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm4MB
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
CMPL SI, $0x00010100
JLT repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
LEAL -65536(SI), SI
MOVL SI, DI
MOVW $0x001d, (AX)
MOVW SI, 2(AX)
SARL $0x10, DI
MOVB DI, 4(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm4MB
two_byte_offset_short_repeat_as_copy_encodeBlockAsm4MB:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm4MB
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm4MB
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm4MB
emit_copy_three_repeat_as_copy_encodeBlockAsm4MB:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeBlockAsm4MB:
MOVL CX, 12(SP)
JMP search_loop_encodeBlockAsm4MB
no_repeat_found_encodeBlockAsm4MB:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBlockAsm4MB
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeBlockAsm4MB
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeBlockAsm4MB
MOVL 20(SP), CX
JMP search_loop_encodeBlockAsm4MB
candidate3_match_encodeBlockAsm4MB:
ADDL $0x02, CX
JMP candidate_match_encodeBlockAsm4MB
candidate2_match_encodeBlockAsm4MB:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeBlockAsm4MB:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBlockAsm4MB
match_extend_back_loop_encodeBlockAsm4MB:
CMPL CX, DI
JLE match_extend_back_end_encodeBlockAsm4MB
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBlockAsm4MB
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBlockAsm4MB
JMP match_extend_back_loop_encodeBlockAsm4MB
match_extend_back_end_encodeBlockAsm4MB:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 4(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBlockAsm4MB:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeBlockAsm4MB
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeBlockAsm4MB
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeBlockAsm4MB
CMPL R8, $0x00010000
JLT three_bytes_match_emit_encodeBlockAsm4MB
MOVL R8, R10
SHRL $0x10, R10
MOVB $0xf8, (AX)
MOVW R8, 1(AX)
MOVB R10, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeBlockAsm4MB
three_bytes_match_emit_encodeBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBlockAsm4MB
two_bytes_match_emit_encodeBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeBlockAsm4MB
JMP memmove_long_match_emit_encodeBlockAsm4MB
one_byte_match_emit_encodeBlockAsm4MB:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBlockAsm4MB:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBlockAsm4MB:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeBlockAsm4MB
memmove_long_match_emit_encodeBlockAsm4MB:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeBlockAsm4MB:
match_nolit_loop_encodeBlockAsm4MB:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeBlockAsm4MB
matchlen_loopback_match_nolit_encodeBlockAsm4MB:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeBlockAsm4MB
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeBlockAsm4MB
matchlen_loop_match_nolit_encodeBlockAsm4MB:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeBlockAsm4MB
matchlen_single_match_nolit_encodeBlockAsm4MB:
TESTL DI, DI
JZ match_nolit_end_encodeBlockAsm4MB
matchlen_single_loopback_match_nolit_encodeBlockAsm4MB:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeBlockAsm4MB
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeBlockAsm4MB
match_nolit_end_encodeBlockAsm4MB:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
CMPL SI, $0x00010000
JL two_byte_offset_match_nolit_encodeBlockAsm4MB
four_bytes_loop_back_match_nolit_encodeBlockAsm4MB:
CMPL R10, $0x40
JLE four_bytes_remain_match_nolit_encodeBlockAsm4MB
MOVB $0xff, (AX)
MOVL SI, 1(AX)
LEAL -64(R10), R10
ADDQ $0x05, AX
CMPL R10, $0x04
JL four_bytes_remain_match_nolit_encodeBlockAsm4MB
// emitRepeat
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy
cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy
CMPL R10, $0x00010100
JLT repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy
LEAL -65536(R10), R10
MOVL R10, SI
MOVW $0x001d, (AX)
MOVW R10, 2(AX)
SARL $0x10, SI
MOVB SI, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy:
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
JMP four_bytes_loop_back_match_nolit_encodeBlockAsm4MB
four_bytes_remain_match_nolit_encodeBlockAsm4MB:
TESTL R10, R10
JZ match_nolit_emitcopy_end_encodeBlockAsm4MB
MOVB $0x03, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
two_byte_offset_match_nolit_encodeBlockAsm4MB:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeBlockAsm4MB
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
// emitRepeat
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy_short
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy_short
CMPL R10, $0x00010100
JLT repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy_short
LEAL -65536(R10), R10
MOVL R10, SI
MOVW $0x001d, (AX)
MOVW R10, 2(AX)
SARL $0x10, SI
MOVB SI, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy_short:
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy_short:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy_short:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
JMP two_byte_offset_match_nolit_encodeBlockAsm4MB
two_byte_offset_short_match_nolit_encodeBlockAsm4MB:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeBlockAsm4MB
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeBlockAsm4MB
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
emit_copy_three_match_nolit_encodeBlockAsm4MB:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeBlockAsm4MB:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBlockAsm4MB
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBlockAsm4MB:
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x10, R8
IMULQ R9, R8
SHRQ $0x32, R8
SHLQ $0x10, SI
IMULQ R9, SI
SHRQ $0x32, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeBlockAsm4MB
INCL CX
JMP search_loop_encodeBlockAsm4MB
emit_remainder_encodeBlockAsm4MB:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 4(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBlockAsm4MB:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBlockAsm4MB
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBlockAsm4MB
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBlockAsm4MB
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeBlockAsm4MB
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
three_bytes_emit_remainder_encodeBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
two_bytes_emit_remainder_encodeBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBlockAsm4MB
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
one_byte_emit_remainder_encodeBlockAsm4MB:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBlockAsm4MB:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBlockAsm4MB:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBlockAsm4MB
memmove_long_emit_remainder_encodeBlockAsm4MB:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBlockAsm4MB:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBlockAsm12B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBlockAsm12B(SB), $16408-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000080, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBlockAsm12B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBlockAsm12B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBlockAsm12B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBlockAsm12B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x000000cf1bbcdcbb, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x18, R10
IMULQ R9, R10
SHRQ $0x34, R10
SHLQ $0x18, R11
IMULQ R9, R11
SHRQ $0x34, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x18, R10
IMULQ R9, R10
SHRQ $0x34, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeBlockAsm12B
LEAL 1(CX), DI
MOVL 12(SP), R8
MOVL DI, SI
SUBL 16(SP), SI
JZ repeat_extend_back_end_encodeBlockAsm12B
repeat_extend_back_loop_encodeBlockAsm12B:
CMPL DI, R8
JLE repeat_extend_back_end_encodeBlockAsm12B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeBlockAsm12B
LEAL -1(DI), DI
DECL SI
JNZ repeat_extend_back_loop_encodeBlockAsm12B
repeat_extend_back_end_encodeBlockAsm12B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeBlockAsm12B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeBlockAsm12B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeBlockAsm12B
two_bytes_repeat_emit_encodeBlockAsm12B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeBlockAsm12B
JMP memmove_long_repeat_emit_encodeBlockAsm12B
one_byte_repeat_emit_encodeBlockAsm12B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_repeat_emit_encodeBlockAsm12B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeBlockAsm12B
memmove_long_repeat_emit_encodeBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R12
SHRQ $0x05, R12
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R13
SUBQ R11, R13
DECQ R12
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(R10)(R13*1), R11
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R11
ADDQ $0x20, R13
DECQ R12
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R13*1), X4
MOVOU -16(R10)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R9, R13
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeBlockAsm12B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R9
SUBL CX, R9
LEAQ (DX)(CX*1), R10
LEAQ (DX)(SI*1), SI
// matchLen
XORL R12, R12
CMPL R9, $0x08
JL matchlen_single_repeat_extend_encodeBlockAsm12B
matchlen_loopback_repeat_extend_encodeBlockAsm12B:
MOVQ (R10)(R12*1), R11
XORQ (SI)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_repeat_extend_encodeBlockAsm12B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP repeat_extend_forward_end_encodeBlockAsm12B
matchlen_loop_repeat_extend_encodeBlockAsm12B:
LEAL -8(R9), R9
LEAL 8(R12), R12
CMPL R9, $0x08
JGE matchlen_loopback_repeat_extend_encodeBlockAsm12B
matchlen_single_repeat_extend_encodeBlockAsm12B:
TESTL R9, R9
JZ repeat_extend_forward_end_encodeBlockAsm12B
matchlen_single_loopback_repeat_extend_encodeBlockAsm12B:
MOVB (R10)(R12*1), R11
CMPB (SI)(R12*1), R11
JNE repeat_extend_forward_end_encodeBlockAsm12B
LEAL 1(R12), R12
DECL R9
JNZ matchlen_single_loopback_repeat_extend_encodeBlockAsm12B
repeat_extend_forward_end_encodeBlockAsm12B:
ADDL R12, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
TESTL R8, R8
JZ repeat_as_copy_encodeBlockAsm12B
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_match_repeat_encodeBlockAsm12B
CMPL R8, $0x0c
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm12B
CMPL DI, $0x00000800
JLT repeat_two_offset_match_repeat_encodeBlockAsm12B
cant_repeat_two_offset_match_repeat_encodeBlockAsm12B:
CMPL SI, $0x00000104
JLT repeat_three_match_repeat_encodeBlockAsm12B
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_three_match_repeat_encodeBlockAsm12B:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_two_match_repeat_encodeBlockAsm12B:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_two_offset_match_repeat_encodeBlockAsm12B:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_as_copy_encodeBlockAsm12B:
// emitCopy
two_byte_offset_repeat_as_copy_encodeBlockAsm12B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm12B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_three_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_two_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm12B
repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm12B
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm12B
two_byte_offset_short_repeat_as_copy_encodeBlockAsm12B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm12B
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm12B
emit_copy_three_repeat_as_copy_encodeBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeBlockAsm12B:
MOVL CX, 12(SP)
JMP search_loop_encodeBlockAsm12B
no_repeat_found_encodeBlockAsm12B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBlockAsm12B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeBlockAsm12B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeBlockAsm12B
MOVL 20(SP), CX
JMP search_loop_encodeBlockAsm12B
candidate3_match_encodeBlockAsm12B:
ADDL $0x02, CX
JMP candidate_match_encodeBlockAsm12B
candidate2_match_encodeBlockAsm12B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeBlockAsm12B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBlockAsm12B
match_extend_back_loop_encodeBlockAsm12B:
CMPL CX, DI
JLE match_extend_back_end_encodeBlockAsm12B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBlockAsm12B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBlockAsm12B
JMP match_extend_back_loop_encodeBlockAsm12B
match_extend_back_end_encodeBlockAsm12B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBlockAsm12B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeBlockAsm12B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeBlockAsm12B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBlockAsm12B
two_bytes_match_emit_encodeBlockAsm12B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeBlockAsm12B
JMP memmove_long_match_emit_encodeBlockAsm12B
one_byte_match_emit_encodeBlockAsm12B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBlockAsm12B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBlockAsm12B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeBlockAsm12B
memmove_long_match_emit_encodeBlockAsm12B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeBlockAsm12B:
match_nolit_loop_encodeBlockAsm12B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeBlockAsm12B
matchlen_loopback_match_nolit_encodeBlockAsm12B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeBlockAsm12B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeBlockAsm12B
matchlen_loop_match_nolit_encodeBlockAsm12B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeBlockAsm12B
matchlen_single_match_nolit_encodeBlockAsm12B:
TESTL DI, DI
JZ match_nolit_end_encodeBlockAsm12B
matchlen_single_loopback_match_nolit_encodeBlockAsm12B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeBlockAsm12B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeBlockAsm12B
match_nolit_end_encodeBlockAsm12B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBlockAsm12B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeBlockAsm12B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
// emitRepeat
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm12B_emit_copy_short
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm12B_emit_copy_short
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
repeat_three_match_nolit_encodeBlockAsm12B_emit_copy_short:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
repeat_two_match_nolit_encodeBlockAsm12B_emit_copy_short:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
JMP two_byte_offset_match_nolit_encodeBlockAsm12B
two_byte_offset_short_match_nolit_encodeBlockAsm12B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeBlockAsm12B
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
emit_copy_three_match_nolit_encodeBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeBlockAsm12B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBlockAsm12B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBlockAsm12B:
MOVQ $0x000000cf1bbcdcbb, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x18, R8
IMULQ R9, R8
SHRQ $0x34, R8
SHLQ $0x18, SI
IMULQ R9, SI
SHRQ $0x34, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeBlockAsm12B
INCL CX
JMP search_loop_encodeBlockAsm12B
emit_remainder_encodeBlockAsm12B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBlockAsm12B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBlockAsm12B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBlockAsm12B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBlockAsm12B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBlockAsm12B
two_bytes_emit_remainder_encodeBlockAsm12B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBlockAsm12B
JMP memmove_long_emit_remainder_encodeBlockAsm12B
one_byte_emit_remainder_encodeBlockAsm12B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBlockAsm12B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBlockAsm12B
memmove_long_emit_remainder_encodeBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBlockAsm12B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBlockAsm10B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBlockAsm10B(SB), $4120-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000020, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBlockAsm10B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBlockAsm10B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBlockAsm10B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBlockAsm10B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x9e3779b1, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ R9, R11
SHRQ $0x36, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x36, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeBlockAsm10B
LEAL 1(CX), DI
MOVL 12(SP), R8
MOVL DI, SI
SUBL 16(SP), SI
JZ repeat_extend_back_end_encodeBlockAsm10B
repeat_extend_back_loop_encodeBlockAsm10B:
CMPL DI, R8
JLE repeat_extend_back_end_encodeBlockAsm10B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeBlockAsm10B
LEAL -1(DI), DI
DECL SI
JNZ repeat_extend_back_loop_encodeBlockAsm10B
repeat_extend_back_end_encodeBlockAsm10B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeBlockAsm10B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeBlockAsm10B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeBlockAsm10B
two_bytes_repeat_emit_encodeBlockAsm10B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeBlockAsm10B
JMP memmove_long_repeat_emit_encodeBlockAsm10B
one_byte_repeat_emit_encodeBlockAsm10B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_repeat_emit_encodeBlockAsm10B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeBlockAsm10B
memmove_long_repeat_emit_encodeBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R12
SHRQ $0x05, R12
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R13
SUBQ R11, R13
DECQ R12
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(R10)(R13*1), R11
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R11
ADDQ $0x20, R13
DECQ R12
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R13*1), X4
MOVOU -16(R10)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R9, R13
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeBlockAsm10B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R9
SUBL CX, R9
LEAQ (DX)(CX*1), R10
LEAQ (DX)(SI*1), SI
// matchLen
XORL R12, R12
CMPL R9, $0x08
JL matchlen_single_repeat_extend_encodeBlockAsm10B
matchlen_loopback_repeat_extend_encodeBlockAsm10B:
MOVQ (R10)(R12*1), R11
XORQ (SI)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_repeat_extend_encodeBlockAsm10B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP repeat_extend_forward_end_encodeBlockAsm10B
matchlen_loop_repeat_extend_encodeBlockAsm10B:
LEAL -8(R9), R9
LEAL 8(R12), R12
CMPL R9, $0x08
JGE matchlen_loopback_repeat_extend_encodeBlockAsm10B
matchlen_single_repeat_extend_encodeBlockAsm10B:
TESTL R9, R9
JZ repeat_extend_forward_end_encodeBlockAsm10B
matchlen_single_loopback_repeat_extend_encodeBlockAsm10B:
MOVB (R10)(R12*1), R11
CMPB (SI)(R12*1), R11
JNE repeat_extend_forward_end_encodeBlockAsm10B
LEAL 1(R12), R12
DECL R9
JNZ matchlen_single_loopback_repeat_extend_encodeBlockAsm10B
repeat_extend_forward_end_encodeBlockAsm10B:
ADDL R12, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
TESTL R8, R8
JZ repeat_as_copy_encodeBlockAsm10B
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_match_repeat_encodeBlockAsm10B
CMPL R8, $0x0c
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm10B
CMPL DI, $0x00000800
JLT repeat_two_offset_match_repeat_encodeBlockAsm10B
cant_repeat_two_offset_match_repeat_encodeBlockAsm10B:
CMPL SI, $0x00000104
JLT repeat_three_match_repeat_encodeBlockAsm10B
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_three_match_repeat_encodeBlockAsm10B:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_two_match_repeat_encodeBlockAsm10B:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_two_offset_match_repeat_encodeBlockAsm10B:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_as_copy_encodeBlockAsm10B:
// emitCopy
two_byte_offset_repeat_as_copy_encodeBlockAsm10B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm10B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
// emitRepeat
MOVL SI, R8
LEAL -4(SI), SI
CMPL R8, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
CMPL R8, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
CMPL DI, $0x00000800
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_three_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_two_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm10B
repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm10B
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm10B
two_byte_offset_short_repeat_as_copy_encodeBlockAsm10B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm10B
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm10B
emit_copy_three_repeat_as_copy_encodeBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeBlockAsm10B:
MOVL CX, 12(SP)
JMP search_loop_encodeBlockAsm10B
no_repeat_found_encodeBlockAsm10B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBlockAsm10B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeBlockAsm10B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeBlockAsm10B
MOVL 20(SP), CX
JMP search_loop_encodeBlockAsm10B
candidate3_match_encodeBlockAsm10B:
ADDL $0x02, CX
JMP candidate_match_encodeBlockAsm10B
candidate2_match_encodeBlockAsm10B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeBlockAsm10B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBlockAsm10B
match_extend_back_loop_encodeBlockAsm10B:
CMPL CX, DI
JLE match_extend_back_end_encodeBlockAsm10B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBlockAsm10B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBlockAsm10B
JMP match_extend_back_loop_encodeBlockAsm10B
match_extend_back_end_encodeBlockAsm10B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBlockAsm10B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeBlockAsm10B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeBlockAsm10B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBlockAsm10B
two_bytes_match_emit_encodeBlockAsm10B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeBlockAsm10B
JMP memmove_long_match_emit_encodeBlockAsm10B
one_byte_match_emit_encodeBlockAsm10B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBlockAsm10B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBlockAsm10B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeBlockAsm10B
memmove_long_match_emit_encodeBlockAsm10B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeBlockAsm10B:
match_nolit_loop_encodeBlockAsm10B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeBlockAsm10B
matchlen_loopback_match_nolit_encodeBlockAsm10B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeBlockAsm10B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeBlockAsm10B
matchlen_loop_match_nolit_encodeBlockAsm10B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeBlockAsm10B
matchlen_single_match_nolit_encodeBlockAsm10B:
TESTL DI, DI
JZ match_nolit_end_encodeBlockAsm10B
matchlen_single_loopback_match_nolit_encodeBlockAsm10B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeBlockAsm10B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeBlockAsm10B
match_nolit_end_encodeBlockAsm10B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBlockAsm10B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeBlockAsm10B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
// emitRepeat
MOVL R10, DI
LEAL -4(R10), R10
CMPL DI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm10B_emit_copy_short
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short
CMPL SI, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm10B_emit_copy_short
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
repeat_three_match_nolit_encodeBlockAsm10B_emit_copy_short:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
repeat_two_match_nolit_encodeBlockAsm10B_emit_copy_short:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short:
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
JMP two_byte_offset_match_nolit_encodeBlockAsm10B
two_byte_offset_short_match_nolit_encodeBlockAsm10B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeBlockAsm10B
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
emit_copy_three_match_nolit_encodeBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeBlockAsm10B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBlockAsm10B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBlockAsm10B:
MOVQ $0x9e3779b1, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x20, R8
IMULQ R9, R8
SHRQ $0x36, R8
SHLQ $0x20, SI
IMULQ R9, SI
SHRQ $0x36, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeBlockAsm10B
INCL CX
JMP search_loop_encodeBlockAsm10B
emit_remainder_encodeBlockAsm10B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBlockAsm10B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBlockAsm10B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBlockAsm10B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBlockAsm10B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBlockAsm10B
two_bytes_emit_remainder_encodeBlockAsm10B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBlockAsm10B
JMP memmove_long_emit_remainder_encodeBlockAsm10B
one_byte_emit_remainder_encodeBlockAsm10B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBlockAsm10B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBlockAsm10B
memmove_long_emit_remainder_encodeBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBlockAsm10B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBlockAsm8B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBlockAsm8B(SB), $1048-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000008, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBlockAsm8B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBlockAsm8B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBlockAsm8B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x04, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBlockAsm8B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x9e3779b1, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x38, R10
SHLQ $0x20, R11
IMULQ R9, R11
SHRQ $0x38, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x38, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeBlockAsm8B
LEAL 1(CX), DI
MOVL 12(SP), R8
MOVL DI, SI
SUBL 16(SP), SI
JZ repeat_extend_back_end_encodeBlockAsm8B
repeat_extend_back_loop_encodeBlockAsm8B:
CMPL DI, R8
JLE repeat_extend_back_end_encodeBlockAsm8B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeBlockAsm8B
LEAL -1(DI), DI
DECL SI
JNZ repeat_extend_back_loop_encodeBlockAsm8B
repeat_extend_back_end_encodeBlockAsm8B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeBlockAsm8B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeBlockAsm8B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeBlockAsm8B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeBlockAsm8B
two_bytes_repeat_emit_encodeBlockAsm8B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeBlockAsm8B
JMP memmove_long_repeat_emit_encodeBlockAsm8B
one_byte_repeat_emit_encodeBlockAsm8B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_repeat_emit_encodeBlockAsm8B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeBlockAsm8B
memmove_long_repeat_emit_encodeBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R12
SHRQ $0x05, R12
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R13
SUBQ R11, R13
DECQ R12
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(R10)(R13*1), R11
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R11
ADDQ $0x20, R13
DECQ R12
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R13*1), X4
MOVOU -16(R10)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R9, R13
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeBlockAsm8B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R9
SUBL CX, R9
LEAQ (DX)(CX*1), R10
LEAQ (DX)(SI*1), SI
// matchLen
XORL R12, R12
CMPL R9, $0x08
JL matchlen_single_repeat_extend_encodeBlockAsm8B
matchlen_loopback_repeat_extend_encodeBlockAsm8B:
MOVQ (R10)(R12*1), R11
XORQ (SI)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_repeat_extend_encodeBlockAsm8B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP repeat_extend_forward_end_encodeBlockAsm8B
matchlen_loop_repeat_extend_encodeBlockAsm8B:
LEAL -8(R9), R9
LEAL 8(R12), R12
CMPL R9, $0x08
JGE matchlen_loopback_repeat_extend_encodeBlockAsm8B
matchlen_single_repeat_extend_encodeBlockAsm8B:
TESTL R9, R9
JZ repeat_extend_forward_end_encodeBlockAsm8B
matchlen_single_loopback_repeat_extend_encodeBlockAsm8B:
MOVB (R10)(R12*1), R11
CMPB (SI)(R12*1), R11
JNE repeat_extend_forward_end_encodeBlockAsm8B
LEAL 1(R12), R12
DECL R9
JNZ matchlen_single_loopback_repeat_extend_encodeBlockAsm8B
repeat_extend_forward_end_encodeBlockAsm8B:
ADDL R12, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
TESTL R8, R8
JZ repeat_as_copy_encodeBlockAsm8B
// emitRepeat
MOVL SI, DI
LEAL -4(SI), SI
CMPL DI, $0x08
JLE repeat_two_match_repeat_encodeBlockAsm8B
CMPL DI, $0x0c
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm8B
cant_repeat_two_offset_match_repeat_encodeBlockAsm8B:
CMPL SI, $0x00000104
JLT repeat_three_match_repeat_encodeBlockAsm8B
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm8B
repeat_three_match_repeat_encodeBlockAsm8B:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm8B
repeat_two_match_repeat_encodeBlockAsm8B:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm8B
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm8B
repeat_as_copy_encodeBlockAsm8B:
// emitCopy
two_byte_offset_repeat_as_copy_encodeBlockAsm8B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm8B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
// emitRepeat
MOVL SI, DI
LEAL -4(SI), SI
CMPL DI, $0x08
JLE repeat_two_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
CMPL DI, $0x0c
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
CMPL SI, $0x00000104
JLT repeat_three_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
LEAL -256(SI), SI
MOVW $0x0019, (AX)
MOVW SI, 2(AX)
ADDQ $0x04, AX
JMP repeat_end_emit_encodeBlockAsm8B
repeat_three_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
LEAL -4(SI), SI
MOVW $0x0015, (AX)
MOVB SI, 2(AX)
ADDQ $0x03, AX
JMP repeat_end_emit_encodeBlockAsm8B
repeat_two_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
SHLL $0x02, SI
ORL $0x01, SI
MOVW SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm8B
XORQ R8, R8
LEAL 1(R8)(SI*4), SI
MOVB DI, 1(AX)
SARL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm8B
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm8B
two_byte_offset_short_repeat_as_copy_encodeBlockAsm8B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeBlockAsm8B
emit_copy_three_repeat_as_copy_encodeBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeBlockAsm8B:
MOVL CX, 12(SP)
JMP search_loop_encodeBlockAsm8B
no_repeat_found_encodeBlockAsm8B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBlockAsm8B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeBlockAsm8B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeBlockAsm8B
MOVL 20(SP), CX
JMP search_loop_encodeBlockAsm8B
candidate3_match_encodeBlockAsm8B:
ADDL $0x02, CX
JMP candidate_match_encodeBlockAsm8B
candidate2_match_encodeBlockAsm8B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeBlockAsm8B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBlockAsm8B
match_extend_back_loop_encodeBlockAsm8B:
CMPL CX, DI
JLE match_extend_back_end_encodeBlockAsm8B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBlockAsm8B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBlockAsm8B
JMP match_extend_back_loop_encodeBlockAsm8B
match_extend_back_end_encodeBlockAsm8B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBlockAsm8B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeBlockAsm8B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeBlockAsm8B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeBlockAsm8B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBlockAsm8B
two_bytes_match_emit_encodeBlockAsm8B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeBlockAsm8B
JMP memmove_long_match_emit_encodeBlockAsm8B
one_byte_match_emit_encodeBlockAsm8B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBlockAsm8B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBlockAsm8B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeBlockAsm8B
memmove_long_match_emit_encodeBlockAsm8B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeBlockAsm8B:
match_nolit_loop_encodeBlockAsm8B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeBlockAsm8B
matchlen_loopback_match_nolit_encodeBlockAsm8B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeBlockAsm8B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeBlockAsm8B
matchlen_loop_match_nolit_encodeBlockAsm8B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeBlockAsm8B
matchlen_single_match_nolit_encodeBlockAsm8B:
TESTL DI, DI
JZ match_nolit_end_encodeBlockAsm8B
matchlen_single_loopback_match_nolit_encodeBlockAsm8B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeBlockAsm8B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeBlockAsm8B
match_nolit_end_encodeBlockAsm8B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBlockAsm8B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeBlockAsm8B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
// emitRepeat
MOVL R10, SI
LEAL -4(R10), R10
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBlockAsm8B_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm8B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBlockAsm8B_emit_copy_short:
CMPL R10, $0x00000104
JLT repeat_three_match_nolit_encodeBlockAsm8B_emit_copy_short
LEAL -256(R10), R10
MOVW $0x0019, (AX)
MOVW R10, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
repeat_three_match_nolit_encodeBlockAsm8B_emit_copy_short:
LEAL -4(R10), R10
MOVW $0x0015, (AX)
MOVB R10, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
repeat_two_match_nolit_encodeBlockAsm8B_emit_copy_short:
SHLL $0x02, R10
ORL $0x01, R10
MOVW R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
XORQ DI, DI
LEAL 1(DI)(R10*4), R10
MOVB SI, 1(AX)
SARL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
JMP two_byte_offset_match_nolit_encodeBlockAsm8B
two_byte_offset_short_match_nolit_encodeBlockAsm8B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
emit_copy_three_match_nolit_encodeBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeBlockAsm8B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBlockAsm8B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBlockAsm8B:
MOVQ $0x9e3779b1, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x20, R8
IMULQ R9, R8
SHRQ $0x38, R8
SHLQ $0x20, SI
IMULQ R9, SI
SHRQ $0x38, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeBlockAsm8B
INCL CX
JMP search_loop_encodeBlockAsm8B
emit_remainder_encodeBlockAsm8B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBlockAsm8B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBlockAsm8B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBlockAsm8B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBlockAsm8B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBlockAsm8B
two_bytes_emit_remainder_encodeBlockAsm8B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBlockAsm8B
JMP memmove_long_emit_remainder_encodeBlockAsm8B
one_byte_emit_remainder_encodeBlockAsm8B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBlockAsm8B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBlockAsm8B
memmove_long_emit_remainder_encodeBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBlockAsm8B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBetterBlockAsm(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBetterBlockAsm(SB), $327704-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000a00, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBetterBlockAsm:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBetterBlockAsm
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -6(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBetterBlockAsm:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x07, SI
CMPL SI, $0x63
JLE check_maxskip_ok_encodeBetterBlockAsm
LEAL 100(CX), SI
JMP check_maxskip_cont_encodeBetterBlockAsm
check_maxskip_ok_encodeBetterBlockAsm:
LEAL 1(CX)(SI*1), SI
check_maxskip_cont_encodeBetterBlockAsm:
CMPL SI, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x00cf1bbcdcbfa563, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 262168(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 262168(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeBetterBlockAsm
MOVL 20(SP), CX
JMP search_loop_encodeBetterBlockAsm
candidateS_match_encodeBetterBlockAsm:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm
DECL CX
MOVL R8, SI
candidate_match_encodeBetterBlockAsm:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBetterBlockAsm
match_extend_back_loop_encodeBetterBlockAsm:
CMPL CX, DI
JLE match_extend_back_end_encodeBetterBlockAsm
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBetterBlockAsm
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBetterBlockAsm
JMP match_extend_back_loop_encodeBetterBlockAsm
match_extend_back_end_encodeBetterBlockAsm:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 5(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBetterBlockAsm:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeBetterBlockAsm
matchlen_loopback_match_nolit_encodeBetterBlockAsm:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeBetterBlockAsm
matchlen_loop_match_nolit_encodeBetterBlockAsm:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm
matchlen_single_match_nolit_encodeBetterBlockAsm:
TESTL R8, R8
JZ match_nolit_end_encodeBetterBlockAsm
matchlen_single_loopback_match_nolit_encodeBetterBlockAsm:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeBetterBlockAsm
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeBetterBlockAsm
match_nolit_end_encodeBetterBlockAsm:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL 16(SP), R8
JEQ match_is_repeat_encodeBetterBlockAsm
CMPL R12, $0x01
JG match_length_ok_encodeBetterBlockAsm
CMPL R8, $0x0000ffff
JLE match_length_ok_encodeBetterBlockAsm
MOVL 20(SP), CX
INCL CX
JMP search_loop_encodeBetterBlockAsm
match_length_ok_encodeBetterBlockAsm:
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeBetterBlockAsm
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeBetterBlockAsm
CMPL SI, $0x00010000
JLT three_bytes_match_emit_encodeBetterBlockAsm
CMPL SI, $0x01000000
JLT four_bytes_match_emit_encodeBetterBlockAsm
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm
four_bytes_match_emit_encodeBetterBlockAsm:
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm
three_bytes_match_emit_encodeBetterBlockAsm:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm
two_bytes_match_emit_encodeBetterBlockAsm:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeBetterBlockAsm
JMP memmove_long_match_emit_encodeBetterBlockAsm
one_byte_match_emit_encodeBetterBlockAsm:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBetterBlockAsm:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeBetterBlockAsm
memmove_long_match_emit_encodeBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeBetterBlockAsm:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
CMPL R8, $0x00010000
JL two_byte_offset_match_nolit_encodeBetterBlockAsm
four_bytes_loop_back_match_nolit_encodeBetterBlockAsm:
CMPL R12, $0x40
JLE four_bytes_remain_match_nolit_encodeBetterBlockAsm
MOVB $0xff, (AX)
MOVL R8, 1(AX)
LEAL -64(R12), R12
ADDQ $0x05, AX
CMPL R12, $0x04
JL four_bytes_remain_match_nolit_encodeBetterBlockAsm
// emitRepeat
emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy:
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy
CMPL R12, $0x0100ffff
JLT repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy
LEAL -16842747(R12), R12
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy
repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy:
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
JMP four_bytes_loop_back_match_nolit_encodeBetterBlockAsm
four_bytes_remain_match_nolit_encodeBetterBlockAsm:
TESTL R12, R12
JZ match_nolit_emitcopy_end_encodeBetterBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVL R8, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
two_byte_offset_match_nolit_encodeBetterBlockAsm:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
// emitRepeat
emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy_short:
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy_short
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy_short
CMPL R12, $0x0100ffff
JLT repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy_short
LEAL -16842747(R12), R12
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy_short
repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy_short:
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy_short:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy_short:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy_short:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm
two_byte_offset_short_match_nolit_encodeBetterBlockAsm:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
emit_copy_three_match_nolit_encodeBetterBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
match_is_repeat_encodeBetterBlockAsm:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm
CMPL SI, $0x00000100
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm
CMPL SI, $0x00010000
JLT three_bytes_match_emit_repeat_encodeBetterBlockAsm
CMPL SI, $0x01000000
JLT four_bytes_match_emit_repeat_encodeBetterBlockAsm
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
four_bytes_match_emit_repeat_encodeBetterBlockAsm:
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
three_bytes_match_emit_repeat_encodeBetterBlockAsm:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
two_bytes_match_emit_repeat_encodeBetterBlockAsm:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_repeat_encodeBetterBlockAsm
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
one_byte_match_emit_repeat_encodeBetterBlockAsm:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_repeat_encodeBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_33through64
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm:
MOVQ SI, AX
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm
memmove_long_match_emit_repeat_encodeBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_big_loop_back
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitRepeat
emit_repeat_again_match_nolit_repeat_encodeBetterBlockAsm:
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_repeat_encodeBetterBlockAsm
CMPL R12, $0x0100ffff
JLT repeat_five_match_nolit_repeat_encodeBetterBlockAsm
LEAL -16842747(R12), R12
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
JMP emit_repeat_again_match_nolit_repeat_encodeBetterBlockAsm
repeat_five_match_nolit_repeat_encodeBetterBlockAsm:
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_four_match_nolit_repeat_encodeBetterBlockAsm:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_three_match_nolit_repeat_encodeBetterBlockAsm:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_match_nolit_repeat_encodeBetterBlockAsm:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
match_nolit_emitcopy_end_encodeBetterBlockAsm:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBetterBlockAsm:
MOVQ $0x00cf1bbcdcbfa563, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x32, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 262168(SP)(R11*4)
MOVL R15, 262168(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 262168(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeBetterBlockAsm
emit_remainder_encodeBetterBlockAsm:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 5(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBetterBlockAsm:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBetterBlockAsm
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBetterBlockAsm
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeBetterBlockAsm
CMPL DX, $0x01000000
JLT four_bytes_emit_remainder_encodeBetterBlockAsm
MOVB $0xfc, (AX)
MOVL DX, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
four_bytes_emit_remainder_encodeBetterBlockAsm:
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
three_bytes_emit_remainder_encodeBetterBlockAsm:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
two_bytes_emit_remainder_encodeBetterBlockAsm:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBetterBlockAsm
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
one_byte_emit_remainder_encodeBetterBlockAsm:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBetterBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x04
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4
CMPQ BX, $0x08
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4through7
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4:
MOVL (CX), SI
MOVL SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(BX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBetterBlockAsm:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm
memmove_long_emit_remainder_encodeBetterBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBetterBlockAsm:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBetterBlockAsm4MB(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBetterBlockAsm4MB(SB), $327704-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000a00, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBetterBlockAsm4MB:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBetterBlockAsm4MB
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -6(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBetterBlockAsm4MB:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x07, SI
CMPL SI, $0x63
JLE check_maxskip_ok_encodeBetterBlockAsm4MB
LEAL 100(CX), SI
JMP check_maxskip_cont_encodeBetterBlockAsm4MB
check_maxskip_ok_encodeBetterBlockAsm4MB:
LEAL 1(CX)(SI*1), SI
check_maxskip_cont_encodeBetterBlockAsm4MB:
CMPL SI, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm4MB
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x00cf1bbcdcbfa563, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 262168(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 262168(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm4MB
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeBetterBlockAsm4MB
MOVL 20(SP), CX
JMP search_loop_encodeBetterBlockAsm4MB
candidateS_match_encodeBetterBlockAsm4MB:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm4MB
DECL CX
MOVL R8, SI
candidate_match_encodeBetterBlockAsm4MB:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBetterBlockAsm4MB
match_extend_back_loop_encodeBetterBlockAsm4MB:
CMPL CX, DI
JLE match_extend_back_end_encodeBetterBlockAsm4MB
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBetterBlockAsm4MB
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBetterBlockAsm4MB
JMP match_extend_back_loop_encodeBetterBlockAsm4MB
match_extend_back_end_encodeBetterBlockAsm4MB:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 4(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBetterBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBetterBlockAsm4MB:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeBetterBlockAsm4MB
matchlen_loopback_match_nolit_encodeBetterBlockAsm4MB:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm4MB
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeBetterBlockAsm4MB
matchlen_loop_match_nolit_encodeBetterBlockAsm4MB:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm4MB
matchlen_single_match_nolit_encodeBetterBlockAsm4MB:
TESTL R8, R8
JZ match_nolit_end_encodeBetterBlockAsm4MB
matchlen_single_loopback_match_nolit_encodeBetterBlockAsm4MB:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeBetterBlockAsm4MB
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeBetterBlockAsm4MB
match_nolit_end_encodeBetterBlockAsm4MB:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL 16(SP), R8
JEQ match_is_repeat_encodeBetterBlockAsm4MB
CMPL R12, $0x01
JG match_length_ok_encodeBetterBlockAsm4MB
CMPL R8, $0x0000ffff
JLE match_length_ok_encodeBetterBlockAsm4MB
MOVL 20(SP), CX
INCL CX
JMP search_loop_encodeBetterBlockAsm4MB
match_length_ok_encodeBetterBlockAsm4MB:
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm4MB
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeBetterBlockAsm4MB
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeBetterBlockAsm4MB
CMPL SI, $0x00010000
JLT three_bytes_match_emit_encodeBetterBlockAsm4MB
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
three_bytes_match_emit_encodeBetterBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
two_bytes_match_emit_encodeBetterBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeBetterBlockAsm4MB
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
one_byte_match_emit_encodeBetterBlockAsm4MB:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBetterBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBetterBlockAsm4MB:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeBetterBlockAsm4MB
memmove_long_match_emit_encodeBetterBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeBetterBlockAsm4MB:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
CMPL R8, $0x00010000
JL two_byte_offset_match_nolit_encodeBetterBlockAsm4MB
four_bytes_loop_back_match_nolit_encodeBetterBlockAsm4MB:
CMPL R12, $0x40
JLE four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB
MOVB $0xff, (AX)
MOVL R8, 1(AX)
LEAL -64(R12), R12
ADDQ $0x05, AX
CMPL R12, $0x04
JL four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
JMP four_bytes_loop_back_match_nolit_encodeBetterBlockAsm4MB
four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB:
TESTL R12, R12
JZ match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
MOVB $0x03, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVL R8, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
two_byte_offset_match_nolit_encodeBetterBlockAsm4MB:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm4MB
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm4MB
two_byte_offset_short_match_nolit_encodeBetterBlockAsm4MB:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm4MB
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm4MB
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
emit_copy_three_match_nolit_encodeBetterBlockAsm4MB:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
match_is_repeat_encodeBetterBlockAsm4MB:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm4MB
CMPL SI, $0x00000100
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm4MB
CMPL SI, $0x00010000
JLT three_bytes_match_emit_repeat_encodeBetterBlockAsm4MB
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
three_bytes_match_emit_repeat_encodeBetterBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
two_bytes_match_emit_repeat_encodeBetterBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_repeat_encodeBetterBlockAsm4MB
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
one_byte_match_emit_repeat_encodeBetterBlockAsm4MB:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_repeat_encodeBetterBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB:
MOVQ SI, AX
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB
memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm4MB
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm4MB
CMPL R12, $0x00010100
JLT repeat_four_match_nolit_repeat_encodeBetterBlockAsm4MB
LEAL -65536(R12), R12
MOVL R12, R8
MOVW $0x001d, (AX)
MOVW R12, 2(AX)
SARL $0x10, R8
MOVB R8, 4(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_four_match_nolit_repeat_encodeBetterBlockAsm4MB:
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_three_match_nolit_repeat_encodeBetterBlockAsm4MB:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_match_nolit_repeat_encodeBetterBlockAsm4MB:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
match_nolit_emitcopy_end_encodeBetterBlockAsm4MB:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm4MB
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBetterBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBetterBlockAsm4MB:
MOVQ $0x00cf1bbcdcbfa563, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x32, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 262168(SP)(R11*4)
MOVL R15, 262168(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 262168(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeBetterBlockAsm4MB
emit_remainder_encodeBetterBlockAsm4MB:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 4(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBetterBlockAsm4MB
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBetterBlockAsm4MB:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBetterBlockAsm4MB
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBetterBlockAsm4MB
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeBetterBlockAsm4MB
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
three_bytes_emit_remainder_encodeBetterBlockAsm4MB:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
two_bytes_emit_remainder_encodeBetterBlockAsm4MB:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBetterBlockAsm4MB
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
one_byte_emit_remainder_encodeBetterBlockAsm4MB:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBetterBlockAsm4MB:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x04
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4
CMPQ BX, $0x08
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4through7
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4:
MOVL (CX), SI
MOVL SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(BX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB
memmove_long_emit_remainder_encodeBetterBlockAsm4MB:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBetterBlockAsm12B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBetterBlockAsm12B(SB), $81944-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000280, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBetterBlockAsm12B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBetterBlockAsm12B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -6(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBetterBlockAsm12B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm12B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x34, R11
MOVL 24(SP)(R10*4), SI
MOVL 65560(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 65560(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm12B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeBetterBlockAsm12B
MOVL 20(SP), CX
JMP search_loop_encodeBetterBlockAsm12B
candidateS_match_encodeBetterBlockAsm12B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm12B
DECL CX
MOVL R8, SI
candidate_match_encodeBetterBlockAsm12B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBetterBlockAsm12B
match_extend_back_loop_encodeBetterBlockAsm12B:
CMPL CX, DI
JLE match_extend_back_end_encodeBetterBlockAsm12B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBetterBlockAsm12B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBetterBlockAsm12B
JMP match_extend_back_loop_encodeBetterBlockAsm12B
match_extend_back_end_encodeBetterBlockAsm12B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBetterBlockAsm12B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeBetterBlockAsm12B
matchlen_loopback_match_nolit_encodeBetterBlockAsm12B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm12B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeBetterBlockAsm12B
matchlen_loop_match_nolit_encodeBetterBlockAsm12B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm12B
matchlen_single_match_nolit_encodeBetterBlockAsm12B:
TESTL R8, R8
JZ match_nolit_end_encodeBetterBlockAsm12B
matchlen_single_loopback_match_nolit_encodeBetterBlockAsm12B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeBetterBlockAsm12B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeBetterBlockAsm12B
match_nolit_end_encodeBetterBlockAsm12B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL 16(SP), R8
JEQ match_is_repeat_encodeBetterBlockAsm12B
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeBetterBlockAsm12B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeBetterBlockAsm12B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm12B
two_bytes_match_emit_encodeBetterBlockAsm12B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeBetterBlockAsm12B
JMP memmove_long_match_emit_encodeBetterBlockAsm12B
one_byte_match_emit_encodeBetterBlockAsm12B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBetterBlockAsm12B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeBetterBlockAsm12B
memmove_long_match_emit_encodeBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeBetterBlockAsm12B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBetterBlockAsm12B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm12B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_three_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_two_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm12B
two_byte_offset_short_match_nolit_encodeBetterBlockAsm12B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm12B
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
emit_copy_three_match_nolit_encodeBetterBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
match_is_repeat_encodeBetterBlockAsm12B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm12B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm12B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm12B
two_bytes_match_emit_repeat_encodeBetterBlockAsm12B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_repeat_encodeBetterBlockAsm12B
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm12B
one_byte_match_emit_repeat_encodeBetterBlockAsm12B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_repeat_encodeBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_33through64
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B
memmove_long_match_emit_repeat_encodeBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm12B
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm12B
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_three_match_nolit_repeat_encodeBetterBlockAsm12B:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_two_match_nolit_repeat_encodeBetterBlockAsm12B:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
match_nolit_emitcopy_end_encodeBetterBlockAsm12B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm12B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBetterBlockAsm12B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x32, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x32, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x34, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x34, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 65560(SP)(R11*4)
MOVL R15, 65560(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x32, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x34, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x32, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 65560(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeBetterBlockAsm12B
emit_remainder_encodeBetterBlockAsm12B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBetterBlockAsm12B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm12B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBetterBlockAsm12B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBetterBlockAsm12B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm12B
two_bytes_emit_remainder_encodeBetterBlockAsm12B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBetterBlockAsm12B
JMP memmove_long_emit_remainder_encodeBetterBlockAsm12B
one_byte_emit_remainder_encodeBetterBlockAsm12B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBetterBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x04
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4
CMPQ BX, $0x08
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4through7
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4:
MOVL (CX), SI
MOVL SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(BX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm12B
memmove_long_emit_remainder_encodeBetterBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBetterBlockAsm12B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBetterBlockAsm10B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBetterBlockAsm10B(SB), $20504-56
MOVQ dst_base+0(FP), AX
MOVQ $0x000000a0, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBetterBlockAsm10B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBetterBlockAsm10B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -6(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBetterBlockAsm10B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm10B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x34, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x36, R11
MOVL 24(SP)(R10*4), SI
MOVL 16408(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 16408(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm10B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeBetterBlockAsm10B
MOVL 20(SP), CX
JMP search_loop_encodeBetterBlockAsm10B
candidateS_match_encodeBetterBlockAsm10B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x34, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm10B
DECL CX
MOVL R8, SI
candidate_match_encodeBetterBlockAsm10B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBetterBlockAsm10B
match_extend_back_loop_encodeBetterBlockAsm10B:
CMPL CX, DI
JLE match_extend_back_end_encodeBetterBlockAsm10B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBetterBlockAsm10B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBetterBlockAsm10B
JMP match_extend_back_loop_encodeBetterBlockAsm10B
match_extend_back_end_encodeBetterBlockAsm10B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBetterBlockAsm10B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeBetterBlockAsm10B
matchlen_loopback_match_nolit_encodeBetterBlockAsm10B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm10B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeBetterBlockAsm10B
matchlen_loop_match_nolit_encodeBetterBlockAsm10B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm10B
matchlen_single_match_nolit_encodeBetterBlockAsm10B:
TESTL R8, R8
JZ match_nolit_end_encodeBetterBlockAsm10B
matchlen_single_loopback_match_nolit_encodeBetterBlockAsm10B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeBetterBlockAsm10B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeBetterBlockAsm10B
match_nolit_end_encodeBetterBlockAsm10B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL 16(SP), R8
JEQ match_is_repeat_encodeBetterBlockAsm10B
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeBetterBlockAsm10B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeBetterBlockAsm10B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm10B
two_bytes_match_emit_encodeBetterBlockAsm10B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeBetterBlockAsm10B
JMP memmove_long_match_emit_encodeBetterBlockAsm10B
one_byte_match_emit_encodeBetterBlockAsm10B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBetterBlockAsm10B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeBetterBlockAsm10B
memmove_long_match_emit_encodeBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeBetterBlockAsm10B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBetterBlockAsm10B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm10B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_three_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_two_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm10B
two_byte_offset_short_match_nolit_encodeBetterBlockAsm10B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm10B
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
emit_copy_three_match_nolit_encodeBetterBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
match_is_repeat_encodeBetterBlockAsm10B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm10B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm10B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm10B
two_bytes_match_emit_repeat_encodeBetterBlockAsm10B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_repeat_encodeBetterBlockAsm10B
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm10B
one_byte_match_emit_repeat_encodeBetterBlockAsm10B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_repeat_encodeBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_33through64
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B
memmove_long_match_emit_repeat_encodeBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm10B
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B
CMPL R8, $0x00000800
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm10B
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_three_match_nolit_repeat_encodeBetterBlockAsm10B:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_two_match_nolit_repeat_encodeBetterBlockAsm10B:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B:
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
match_nolit_emitcopy_end_encodeBetterBlockAsm10B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm10B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBetterBlockAsm10B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x34, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x34, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x36, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x36, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 16408(SP)(R11*4)
MOVL R15, 16408(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x34, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x36, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x34, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 16408(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeBetterBlockAsm10B
emit_remainder_encodeBetterBlockAsm10B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBetterBlockAsm10B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm10B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBetterBlockAsm10B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBetterBlockAsm10B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm10B
two_bytes_emit_remainder_encodeBetterBlockAsm10B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBetterBlockAsm10B
JMP memmove_long_emit_remainder_encodeBetterBlockAsm10B
one_byte_emit_remainder_encodeBetterBlockAsm10B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBetterBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x04
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4
CMPQ BX, $0x08
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4through7
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4:
MOVL (CX), SI
MOVL SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(BX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm10B
memmove_long_emit_remainder_encodeBetterBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBetterBlockAsm10B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeBetterBlockAsm8B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeBetterBlockAsm8B(SB), $5144-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000028, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeBetterBlockAsm8B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeBetterBlockAsm8B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -6(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeBetterBlockAsm8B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x04, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm8B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x38, R11
MOVL 24(SP)(R10*4), SI
MOVL 4120(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 4120(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm8B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeBetterBlockAsm8B
MOVL 20(SP), CX
JMP search_loop_encodeBetterBlockAsm8B
candidateS_match_encodeBetterBlockAsm8B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x36, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeBetterBlockAsm8B
DECL CX
MOVL R8, SI
candidate_match_encodeBetterBlockAsm8B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeBetterBlockAsm8B
match_extend_back_loop_encodeBetterBlockAsm8B:
CMPL CX, DI
JLE match_extend_back_end_encodeBetterBlockAsm8B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeBetterBlockAsm8B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeBetterBlockAsm8B
JMP match_extend_back_loop_encodeBetterBlockAsm8B
match_extend_back_end_encodeBetterBlockAsm8B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeBetterBlockAsm8B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeBetterBlockAsm8B
matchlen_loopback_match_nolit_encodeBetterBlockAsm8B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm8B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeBetterBlockAsm8B
matchlen_loop_match_nolit_encodeBetterBlockAsm8B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm8B
matchlen_single_match_nolit_encodeBetterBlockAsm8B:
TESTL R8, R8
JZ match_nolit_end_encodeBetterBlockAsm8B
matchlen_single_loopback_match_nolit_encodeBetterBlockAsm8B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeBetterBlockAsm8B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeBetterBlockAsm8B
match_nolit_end_encodeBetterBlockAsm8B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL 16(SP), R8
JEQ match_is_repeat_encodeBetterBlockAsm8B
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm8B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeBetterBlockAsm8B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeBetterBlockAsm8B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeBetterBlockAsm8B
two_bytes_match_emit_encodeBetterBlockAsm8B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeBetterBlockAsm8B
JMP memmove_long_match_emit_encodeBetterBlockAsm8B
one_byte_match_emit_encodeBetterBlockAsm8B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeBetterBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x04
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4
CMPQ R9, $0x08
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4through7
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4:
MOVL (R10), R11
MOVL R11, (AX)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4through7:
MOVL (R10), R11
MOVL -4(R10)(R9*1), R10
MOVL R11, (AX)
MOVL R10, -4(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeBetterBlockAsm8B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeBetterBlockAsm8B
memmove_long_match_emit_encodeBetterBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeBetterBlockAsm8B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeBetterBlockAsm8B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm8B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
repeat_three_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
repeat_two_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm8B
two_byte_offset_short_match_nolit_encodeBetterBlockAsm8B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
emit_copy_three_match_nolit_encodeBetterBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
match_is_repeat_encodeBetterBlockAsm8B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm8B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm8B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm8B
two_bytes_match_emit_repeat_encodeBetterBlockAsm8B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_repeat_encodeBetterBlockAsm8B
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm8B
one_byte_match_emit_repeat_encodeBetterBlockAsm8B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_repeat_encodeBetterBlockAsm8B:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x04
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4
CMPQ R8, $0x08
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4through7
CMPQ R8, $0x10
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_33through64
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4:
MOVL (R9), R10
MOVL R10, (AX)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4through7:
MOVL (R9), R10
MOVL -4(R9)(R8*1), R9
MOVL R10, (AX)
MOVL R9, -4(AX)(R8*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B
memmove_long_match_emit_repeat_encodeBetterBlockAsm8B:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R13
SUBQ R10, R13
DECQ R11
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(R9)(R13*1), R10
LEAQ -32(AX)(R13*1), R14
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R14)
MOVOA X5, 16(R14)
ADDQ $0x20, R14
ADDQ $0x20, R10
ADDQ $0x20, R13
DECQ R11
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(R9)(R13*1), X4
MOVOU -16(R9)(R13*1), X5
MOVOA X4, -32(AX)(R13*1)
MOVOA X5, -16(AX)(R13*1)
ADDQ $0x20, R13
CMPQ R8, R13
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitRepeat
MOVL R12, SI
LEAL -4(R12), R12
CMPL SI, $0x08
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm8B
CMPL SI, $0x0c
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm8B
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm8B:
CMPL R12, $0x00000104
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm8B
LEAL -256(R12), R12
MOVW $0x0019, (AX)
MOVW R12, 2(AX)
ADDQ $0x04, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
repeat_three_match_nolit_repeat_encodeBetterBlockAsm8B:
LEAL -4(R12), R12
MOVW $0x0015, (AX)
MOVB R12, 2(AX)
ADDQ $0x03, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
repeat_two_match_nolit_repeat_encodeBetterBlockAsm8B:
SHLL $0x02, R12
ORL $0x01, R12
MOVW R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
XORQ SI, SI
LEAL 1(SI)(R12*4), R12
MOVB R8, 1(AX)
SARL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
match_nolit_emitcopy_end_encodeBetterBlockAsm8B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeBetterBlockAsm8B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeBetterBlockAsm8B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x36, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x36, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x38, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x38, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 4120(SP)(R11*4)
MOVL R15, 4120(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x38, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x36, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 4120(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeBetterBlockAsm8B
emit_remainder_encodeBetterBlockAsm8B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeBetterBlockAsm8B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm8B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeBetterBlockAsm8B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeBetterBlockAsm8B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeBetterBlockAsm8B
two_bytes_emit_remainder_encodeBetterBlockAsm8B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeBetterBlockAsm8B
JMP memmove_long_emit_remainder_encodeBetterBlockAsm8B
one_byte_emit_remainder_encodeBetterBlockAsm8B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeBetterBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x04
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4
CMPQ BX, $0x08
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4through7
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4:
MOVL (CX), SI
MOVL SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(BX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm8B
memmove_long_emit_remainder_encodeBetterBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeBetterBlockAsm8B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBlockAsm(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBlockAsm(SB), $65560-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000200, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBlockAsm:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBlockAsm
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBlockAsm:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x10, R11
IMULQ R9, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeSnappyBlockAsm
LEAL 1(CX), DI
MOVL 12(SP), SI
MOVL DI, R8
SUBL 16(SP), R8
JZ repeat_extend_back_end_encodeSnappyBlockAsm
repeat_extend_back_loop_encodeSnappyBlockAsm:
CMPL DI, SI
JLE repeat_extend_back_end_encodeSnappyBlockAsm
MOVB -1(DX)(R8*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeSnappyBlockAsm
LEAL -1(DI), DI
DECL R8
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm
repeat_extend_back_end_encodeSnappyBlockAsm:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeSnappyBlockAsm
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm
CMPL SI, $0x00010000
JLT three_bytes_repeat_emit_encodeSnappyBlockAsm
CMPL SI, $0x01000000
JLT four_bytes_repeat_emit_encodeSnappyBlockAsm
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
four_bytes_repeat_emit_encodeSnappyBlockAsm:
MOVL SI, R10
SHRL $0x10, R10
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R10, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
three_bytes_repeat_emit_encodeSnappyBlockAsm:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
two_bytes_repeat_emit_encodeSnappyBlockAsm:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeSnappyBlockAsm
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
one_byte_repeat_emit_encodeSnappyBlockAsm:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeSnappyBlockAsm:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x08
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8
CMPQ R8, $0x10
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8:
MOVQ (R9), R10
MOVQ R10, (AX)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm
memmove_long_repeat_emit_encodeSnappyBlockAsm:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
LEAQ -32(R9)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(R9)(R12*1), X4
MOVOU -16(R9)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R8, R12
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeSnappyBlockAsm:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), SI
// matchLen
XORL R11, R11
CMPL R8, $0x08
JL matchlen_single_repeat_extend_encodeSnappyBlockAsm
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm:
MOVQ (R9)(R11*1), R10
XORQ (SI)(R11*1), R10
TESTQ R10, R10
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm
BSFQ R10, R10
SARQ $0x03, R10
LEAL (R11)(R10*1), R11
JMP repeat_extend_forward_end_encodeSnappyBlockAsm
matchlen_loop_repeat_extend_encodeSnappyBlockAsm:
LEAL -8(R8), R8
LEAL 8(R11), R11
CMPL R8, $0x08
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm
matchlen_single_repeat_extend_encodeSnappyBlockAsm:
TESTL R8, R8
JZ repeat_extend_forward_end_encodeSnappyBlockAsm
matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm:
MOVB (R9)(R11*1), R10
CMPB (SI)(R11*1), R10
JNE repeat_extend_forward_end_encodeSnappyBlockAsm
LEAL 1(R11), R11
DECL R8
JNZ matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm
repeat_extend_forward_end_encodeSnappyBlockAsm:
ADDL R11, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
// emitCopy
CMPL DI, $0x00010000
JL two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm
four_bytes_loop_back_repeat_as_copy_encodeSnappyBlockAsm:
CMPL SI, $0x40
JLE four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm
MOVB $0xff, (AX)
MOVL DI, 1(AX)
LEAL -64(SI), SI
ADDQ $0x05, AX
CMPL SI, $0x04
JL four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm
JMP four_bytes_loop_back_repeat_as_copy_encodeSnappyBlockAsm
four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm:
TESTL SI, SI
JZ repeat_end_emit_encodeSnappyBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVL DI, 1(AX)
ADDQ $0x05, AX
JMP repeat_end_emit_encodeSnappyBlockAsm
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeSnappyBlockAsm
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeSnappyBlockAsm:
MOVL CX, 12(SP)
JMP search_loop_encodeSnappyBlockAsm
no_repeat_found_encodeSnappyBlockAsm:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBlockAsm
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeSnappyBlockAsm
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeSnappyBlockAsm
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBlockAsm
candidate3_match_encodeSnappyBlockAsm:
ADDL $0x02, CX
JMP candidate_match_encodeSnappyBlockAsm
candidate2_match_encodeSnappyBlockAsm:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeSnappyBlockAsm:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBlockAsm
match_extend_back_loop_encodeSnappyBlockAsm:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBlockAsm
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBlockAsm
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBlockAsm
JMP match_extend_back_loop_encodeSnappyBlockAsm
match_extend_back_end_encodeSnappyBlockAsm:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 5(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBlockAsm:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeSnappyBlockAsm
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBlockAsm
CMPL R8, $0x00010000
JLT three_bytes_match_emit_encodeSnappyBlockAsm
CMPL R8, $0x01000000
JLT four_bytes_match_emit_encodeSnappyBlockAsm
MOVB $0xfc, (AX)
MOVL R8, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm
four_bytes_match_emit_encodeSnappyBlockAsm:
MOVL R8, R10
SHRL $0x10, R10
MOVB $0xf8, (AX)
MOVW R8, 1(AX)
MOVB R10, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm
three_bytes_match_emit_encodeSnappyBlockAsm:
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm
two_bytes_match_emit_encodeSnappyBlockAsm:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeSnappyBlockAsm
JMP memmove_long_match_emit_encodeSnappyBlockAsm
one_byte_match_emit_encodeSnappyBlockAsm:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBlockAsm:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBlockAsm:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm
memmove_long_match_emit_encodeSnappyBlockAsm:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeSnappyBlockAsm:
match_nolit_loop_encodeSnappyBlockAsm:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeSnappyBlockAsm
matchlen_loopback_match_nolit_encodeSnappyBlockAsm:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeSnappyBlockAsm
matchlen_loop_match_nolit_encodeSnappyBlockAsm:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm
matchlen_single_match_nolit_encodeSnappyBlockAsm:
TESTL DI, DI
JZ match_nolit_end_encodeSnappyBlockAsm
matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeSnappyBlockAsm
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm
match_nolit_end_encodeSnappyBlockAsm:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
CMPL SI, $0x00010000
JL two_byte_offset_match_nolit_encodeSnappyBlockAsm
four_bytes_loop_back_match_nolit_encodeSnappyBlockAsm:
CMPL R10, $0x40
JLE four_bytes_remain_match_nolit_encodeSnappyBlockAsm
MOVB $0xff, (AX)
MOVL SI, 1(AX)
LEAL -64(R10), R10
ADDQ $0x05, AX
CMPL R10, $0x04
JL four_bytes_remain_match_nolit_encodeSnappyBlockAsm
JMP four_bytes_loop_back_match_nolit_encodeSnappyBlockAsm
four_bytes_remain_match_nolit_encodeSnappyBlockAsm:
TESTL R10, R10
JZ match_nolit_emitcopy_end_encodeSnappyBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm
two_byte_offset_match_nolit_encodeSnappyBlockAsm:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm
emit_copy_three_match_nolit_encodeSnappyBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBlockAsm:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBlockAsm:
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x10, R8
IMULQ R9, R8
SHRQ $0x32, R8
SHLQ $0x10, SI
IMULQ R9, SI
SHRQ $0x32, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeSnappyBlockAsm
INCL CX
JMP search_loop_encodeSnappyBlockAsm
emit_remainder_encodeSnappyBlockAsm:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 5(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBlockAsm:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBlockAsm
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeSnappyBlockAsm
CMPL DX, $0x01000000
JLT four_bytes_emit_remainder_encodeSnappyBlockAsm
MOVB $0xfc, (AX)
MOVL DX, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
four_bytes_emit_remainder_encodeSnappyBlockAsm:
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
three_bytes_emit_remainder_encodeSnappyBlockAsm:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
two_bytes_emit_remainder_encodeSnappyBlockAsm:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBlockAsm
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
one_byte_emit_remainder_encodeSnappyBlockAsm:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm
memmove_long_emit_remainder_encodeSnappyBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBlockAsm:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBlockAsm64K(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBlockAsm64K(SB), $65560-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000200, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBlockAsm64K:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBlockAsm64K
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBlockAsm64K:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm64K
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x10, R11
IMULQ R9, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeSnappyBlockAsm64K
LEAL 1(CX), DI
MOVL 12(SP), SI
MOVL DI, R8
SUBL 16(SP), R8
JZ repeat_extend_back_end_encodeSnappyBlockAsm64K
repeat_extend_back_loop_encodeSnappyBlockAsm64K:
CMPL DI, SI
JLE repeat_extend_back_end_encodeSnappyBlockAsm64K
MOVB -1(DX)(R8*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeSnappyBlockAsm64K
LEAL -1(DI), DI
DECL R8
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm64K
repeat_extend_back_end_encodeSnappyBlockAsm64K:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeSnappyBlockAsm64K
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm64K
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm64K
two_bytes_repeat_emit_encodeSnappyBlockAsm64K:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeSnappyBlockAsm64K
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm64K
one_byte_repeat_emit_encodeSnappyBlockAsm64K:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeSnappyBlockAsm64K:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x08
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8
CMPQ R8, $0x10
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8:
MOVQ (R9), R10
MOVQ R10, (AX)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K
memmove_long_repeat_emit_encodeSnappyBlockAsm64K:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
LEAQ -32(R9)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
MOVOU -32(R9)(R12*1), X4
MOVOU -16(R9)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R8, R12
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), SI
// matchLen
XORL R11, R11
CMPL R8, $0x08
JL matchlen_single_repeat_extend_encodeSnappyBlockAsm64K
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm64K:
MOVQ (R9)(R11*1), R10
XORQ (SI)(R11*1), R10
TESTQ R10, R10
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm64K
BSFQ R10, R10
SARQ $0x03, R10
LEAL (R11)(R10*1), R11
JMP repeat_extend_forward_end_encodeSnappyBlockAsm64K
matchlen_loop_repeat_extend_encodeSnappyBlockAsm64K:
LEAL -8(R8), R8
LEAL 8(R11), R11
CMPL R8, $0x08
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm64K
matchlen_single_repeat_extend_encodeSnappyBlockAsm64K:
TESTL R8, R8
JZ repeat_extend_forward_end_encodeSnappyBlockAsm64K
matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm64K:
MOVB (R9)(R11*1), R10
CMPB (SI)(R11*1), R10
JNE repeat_extend_forward_end_encodeSnappyBlockAsm64K
LEAL 1(R11), R11
DECL R8
JNZ matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm64K
repeat_extend_forward_end_encodeSnappyBlockAsm64K:
ADDL R11, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
// emitCopy
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm64K:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm64K
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm64K
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm64K:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeSnappyBlockAsm64K
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeSnappyBlockAsm64K:
MOVL CX, 12(SP)
JMP search_loop_encodeSnappyBlockAsm64K
no_repeat_found_encodeSnappyBlockAsm64K:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBlockAsm64K
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeSnappyBlockAsm64K
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeSnappyBlockAsm64K
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBlockAsm64K
candidate3_match_encodeSnappyBlockAsm64K:
ADDL $0x02, CX
JMP candidate_match_encodeSnappyBlockAsm64K
candidate2_match_encodeSnappyBlockAsm64K:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeSnappyBlockAsm64K:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBlockAsm64K
match_extend_back_loop_encodeSnappyBlockAsm64K:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBlockAsm64K
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBlockAsm64K
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBlockAsm64K
JMP match_extend_back_loop_encodeSnappyBlockAsm64K
match_extend_back_end_encodeSnappyBlockAsm64K:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBlockAsm64K:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm64K
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeSnappyBlockAsm64K
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBlockAsm64K
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm64K
two_bytes_match_emit_encodeSnappyBlockAsm64K:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeSnappyBlockAsm64K
JMP memmove_long_match_emit_encodeSnappyBlockAsm64K
one_byte_match_emit_encodeSnappyBlockAsm64K:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBlockAsm64K:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBlockAsm64K:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm64K
memmove_long_match_emit_encodeSnappyBlockAsm64K:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeSnappyBlockAsm64K:
match_nolit_loop_encodeSnappyBlockAsm64K:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeSnappyBlockAsm64K
matchlen_loopback_match_nolit_encodeSnappyBlockAsm64K:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm64K
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeSnappyBlockAsm64K
matchlen_loop_match_nolit_encodeSnappyBlockAsm64K:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm64K
matchlen_single_match_nolit_encodeSnappyBlockAsm64K:
TESTL DI, DI
JZ match_nolit_end_encodeSnappyBlockAsm64K
matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm64K:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeSnappyBlockAsm64K
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm64K
match_nolit_end_encodeSnappyBlockAsm64K:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBlockAsm64K:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm64K
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm64K
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm64K:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm64K
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm64K
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm64K
emit_copy_three_match_nolit_encodeSnappyBlockAsm64K:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBlockAsm64K:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm64K
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBlockAsm64K:
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x10, R8
IMULQ R9, R8
SHRQ $0x32, R8
SHLQ $0x10, SI
IMULQ R9, SI
SHRQ $0x32, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeSnappyBlockAsm64K
INCL CX
JMP search_loop_encodeSnappyBlockAsm64K
emit_remainder_encodeSnappyBlockAsm64K:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBlockAsm64K:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBlockAsm64K
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm64K
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm64K
two_bytes_emit_remainder_encodeSnappyBlockAsm64K:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBlockAsm64K
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm64K
one_byte_emit_remainder_encodeSnappyBlockAsm64K:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBlockAsm64K:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K
memmove_long_emit_remainder_encodeSnappyBlockAsm64K:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBlockAsm12B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBlockAsm12B(SB), $16408-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000080, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBlockAsm12B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBlockAsm12B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBlockAsm12B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm12B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x000000cf1bbcdcbb, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x18, R10
IMULQ R9, R10
SHRQ $0x34, R10
SHLQ $0x18, R11
IMULQ R9, R11
SHRQ $0x34, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x18, R10
IMULQ R9, R10
SHRQ $0x34, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeSnappyBlockAsm12B
LEAL 1(CX), DI
MOVL 12(SP), SI
MOVL DI, R8
SUBL 16(SP), R8
JZ repeat_extend_back_end_encodeSnappyBlockAsm12B
repeat_extend_back_loop_encodeSnappyBlockAsm12B:
CMPL DI, SI
JLE repeat_extend_back_end_encodeSnappyBlockAsm12B
MOVB -1(DX)(R8*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeSnappyBlockAsm12B
LEAL -1(DI), DI
DECL R8
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm12B
repeat_extend_back_end_encodeSnappyBlockAsm12B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeSnappyBlockAsm12B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm12B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm12B
two_bytes_repeat_emit_encodeSnappyBlockAsm12B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeSnappyBlockAsm12B
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm12B
one_byte_repeat_emit_encodeSnappyBlockAsm12B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeSnappyBlockAsm12B:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x08
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8
CMPQ R8, $0x10
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8:
MOVQ (R9), R10
MOVQ R10, (AX)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B
memmove_long_repeat_emit_encodeSnappyBlockAsm12B:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(R9)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(R9)(R12*1), X4
MOVOU -16(R9)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R8, R12
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), SI
// matchLen
XORL R11, R11
CMPL R8, $0x08
JL matchlen_single_repeat_extend_encodeSnappyBlockAsm12B
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm12B:
MOVQ (R9)(R11*1), R10
XORQ (SI)(R11*1), R10
TESTQ R10, R10
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm12B
BSFQ R10, R10
SARQ $0x03, R10
LEAL (R11)(R10*1), R11
JMP repeat_extend_forward_end_encodeSnappyBlockAsm12B
matchlen_loop_repeat_extend_encodeSnappyBlockAsm12B:
LEAL -8(R8), R8
LEAL 8(R11), R11
CMPL R8, $0x08
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm12B
matchlen_single_repeat_extend_encodeSnappyBlockAsm12B:
TESTL R8, R8
JZ repeat_extend_forward_end_encodeSnappyBlockAsm12B
matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm12B:
MOVB (R9)(R11*1), R10
CMPB (SI)(R11*1), R10
JNE repeat_extend_forward_end_encodeSnappyBlockAsm12B
LEAL 1(R11), R11
DECL R8
JNZ matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm12B
repeat_extend_forward_end_encodeSnappyBlockAsm12B:
ADDL R11, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
// emitCopy
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm12B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm12B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm12B
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm12B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeSnappyBlockAsm12B
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeSnappyBlockAsm12B:
MOVL CX, 12(SP)
JMP search_loop_encodeSnappyBlockAsm12B
no_repeat_found_encodeSnappyBlockAsm12B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBlockAsm12B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeSnappyBlockAsm12B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeSnappyBlockAsm12B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBlockAsm12B
candidate3_match_encodeSnappyBlockAsm12B:
ADDL $0x02, CX
JMP candidate_match_encodeSnappyBlockAsm12B
candidate2_match_encodeSnappyBlockAsm12B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeSnappyBlockAsm12B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBlockAsm12B
match_extend_back_loop_encodeSnappyBlockAsm12B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBlockAsm12B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBlockAsm12B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBlockAsm12B
JMP match_extend_back_loop_encodeSnappyBlockAsm12B
match_extend_back_end_encodeSnappyBlockAsm12B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBlockAsm12B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeSnappyBlockAsm12B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBlockAsm12B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm12B
two_bytes_match_emit_encodeSnappyBlockAsm12B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeSnappyBlockAsm12B
JMP memmove_long_match_emit_encodeSnappyBlockAsm12B
one_byte_match_emit_encodeSnappyBlockAsm12B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBlockAsm12B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBlockAsm12B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm12B
memmove_long_match_emit_encodeSnappyBlockAsm12B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeSnappyBlockAsm12B:
match_nolit_loop_encodeSnappyBlockAsm12B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeSnappyBlockAsm12B
matchlen_loopback_match_nolit_encodeSnappyBlockAsm12B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm12B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeSnappyBlockAsm12B
matchlen_loop_match_nolit_encodeSnappyBlockAsm12B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm12B
matchlen_single_match_nolit_encodeSnappyBlockAsm12B:
TESTL DI, DI
JZ match_nolit_end_encodeSnappyBlockAsm12B
matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm12B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeSnappyBlockAsm12B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm12B
match_nolit_end_encodeSnappyBlockAsm12B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBlockAsm12B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm12B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm12B
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm12B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm12B
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm12B
emit_copy_three_match_nolit_encodeSnappyBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBlockAsm12B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm12B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBlockAsm12B:
MOVQ $0x000000cf1bbcdcbb, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x18, R8
IMULQ R9, R8
SHRQ $0x34, R8
SHLQ $0x18, SI
IMULQ R9, SI
SHRQ $0x34, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeSnappyBlockAsm12B
INCL CX
JMP search_loop_encodeSnappyBlockAsm12B
emit_remainder_encodeSnappyBlockAsm12B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBlockAsm12B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBlockAsm12B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm12B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm12B
two_bytes_emit_remainder_encodeSnappyBlockAsm12B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBlockAsm12B
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm12B
one_byte_emit_remainder_encodeSnappyBlockAsm12B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B
memmove_long_emit_remainder_encodeSnappyBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBlockAsm10B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBlockAsm10B(SB), $4120-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000020, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBlockAsm10B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBlockAsm10B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBlockAsm10B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm10B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x9e3779b1, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ R9, R11
SHRQ $0x36, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x36, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeSnappyBlockAsm10B
LEAL 1(CX), DI
MOVL 12(SP), SI
MOVL DI, R8
SUBL 16(SP), R8
JZ repeat_extend_back_end_encodeSnappyBlockAsm10B
repeat_extend_back_loop_encodeSnappyBlockAsm10B:
CMPL DI, SI
JLE repeat_extend_back_end_encodeSnappyBlockAsm10B
MOVB -1(DX)(R8*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeSnappyBlockAsm10B
LEAL -1(DI), DI
DECL R8
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm10B
repeat_extend_back_end_encodeSnappyBlockAsm10B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeSnappyBlockAsm10B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm10B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm10B
two_bytes_repeat_emit_encodeSnappyBlockAsm10B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeSnappyBlockAsm10B
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm10B
one_byte_repeat_emit_encodeSnappyBlockAsm10B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeSnappyBlockAsm10B:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x08
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8
CMPQ R8, $0x10
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8:
MOVQ (R9), R10
MOVQ R10, (AX)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B
memmove_long_repeat_emit_encodeSnappyBlockAsm10B:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(R9)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(R9)(R12*1), X4
MOVOU -16(R9)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R8, R12
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), SI
// matchLen
XORL R11, R11
CMPL R8, $0x08
JL matchlen_single_repeat_extend_encodeSnappyBlockAsm10B
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm10B:
MOVQ (R9)(R11*1), R10
XORQ (SI)(R11*1), R10
TESTQ R10, R10
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm10B
BSFQ R10, R10
SARQ $0x03, R10
LEAL (R11)(R10*1), R11
JMP repeat_extend_forward_end_encodeSnappyBlockAsm10B
matchlen_loop_repeat_extend_encodeSnappyBlockAsm10B:
LEAL -8(R8), R8
LEAL 8(R11), R11
CMPL R8, $0x08
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm10B
matchlen_single_repeat_extend_encodeSnappyBlockAsm10B:
TESTL R8, R8
JZ repeat_extend_forward_end_encodeSnappyBlockAsm10B
matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm10B:
MOVB (R9)(R11*1), R10
CMPB (SI)(R11*1), R10
JNE repeat_extend_forward_end_encodeSnappyBlockAsm10B
LEAL 1(R11), R11
DECL R8
JNZ matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm10B
repeat_extend_forward_end_encodeSnappyBlockAsm10B:
ADDL R11, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
// emitCopy
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm10B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm10B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm10B
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm10B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B
CMPL DI, $0x00000800
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeSnappyBlockAsm10B
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeSnappyBlockAsm10B:
MOVL CX, 12(SP)
JMP search_loop_encodeSnappyBlockAsm10B
no_repeat_found_encodeSnappyBlockAsm10B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBlockAsm10B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeSnappyBlockAsm10B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeSnappyBlockAsm10B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBlockAsm10B
candidate3_match_encodeSnappyBlockAsm10B:
ADDL $0x02, CX
JMP candidate_match_encodeSnappyBlockAsm10B
candidate2_match_encodeSnappyBlockAsm10B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeSnappyBlockAsm10B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBlockAsm10B
match_extend_back_loop_encodeSnappyBlockAsm10B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBlockAsm10B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBlockAsm10B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBlockAsm10B
JMP match_extend_back_loop_encodeSnappyBlockAsm10B
match_extend_back_end_encodeSnappyBlockAsm10B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBlockAsm10B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeSnappyBlockAsm10B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBlockAsm10B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm10B
two_bytes_match_emit_encodeSnappyBlockAsm10B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeSnappyBlockAsm10B
JMP memmove_long_match_emit_encodeSnappyBlockAsm10B
one_byte_match_emit_encodeSnappyBlockAsm10B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBlockAsm10B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBlockAsm10B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm10B
memmove_long_match_emit_encodeSnappyBlockAsm10B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeSnappyBlockAsm10B:
match_nolit_loop_encodeSnappyBlockAsm10B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeSnappyBlockAsm10B
matchlen_loopback_match_nolit_encodeSnappyBlockAsm10B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm10B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeSnappyBlockAsm10B
matchlen_loop_match_nolit_encodeSnappyBlockAsm10B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm10B
matchlen_single_match_nolit_encodeSnappyBlockAsm10B:
TESTL DI, DI
JZ match_nolit_end_encodeSnappyBlockAsm10B
matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm10B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeSnappyBlockAsm10B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm10B
match_nolit_end_encodeSnappyBlockAsm10B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBlockAsm10B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm10B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm10B
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm10B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm10B
CMPL SI, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm10B
emit_copy_three_match_nolit_encodeSnappyBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBlockAsm10B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm10B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBlockAsm10B:
MOVQ $0x9e3779b1, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x20, R8
IMULQ R9, R8
SHRQ $0x36, R8
SHLQ $0x20, SI
IMULQ R9, SI
SHRQ $0x36, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeSnappyBlockAsm10B
INCL CX
JMP search_loop_encodeSnappyBlockAsm10B
emit_remainder_encodeSnappyBlockAsm10B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBlockAsm10B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBlockAsm10B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm10B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm10B
two_bytes_emit_remainder_encodeSnappyBlockAsm10B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBlockAsm10B
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm10B
one_byte_emit_remainder_encodeSnappyBlockAsm10B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B
memmove_long_emit_remainder_encodeSnappyBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBlockAsm8B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBlockAsm8B(SB), $1048-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000008, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBlockAsm8B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBlockAsm8B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL CX, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBlockAsm8B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x04, SI
LEAL 4(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm8B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x9e3779b1, R9
MOVQ DI, R10
MOVQ DI, R11
SHRQ $0x08, R11
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x38, R10
SHLQ $0x20, R11
IMULQ R9, R11
SHRQ $0x38, R11
MOVL 24(SP)(R10*4), SI
MOVL 24(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
LEAL 1(CX), R10
MOVL R10, 24(SP)(R11*4)
MOVQ DI, R10
SHRQ $0x10, R10
SHLQ $0x20, R10
IMULQ R9, R10
SHRQ $0x38, R10
MOVL CX, R9
SUBL 16(SP), R9
MOVL 1(DX)(R9*1), R11
MOVQ DI, R9
SHRQ $0x08, R9
CMPL R9, R11
JNE no_repeat_found_encodeSnappyBlockAsm8B
LEAL 1(CX), DI
MOVL 12(SP), SI
MOVL DI, R8
SUBL 16(SP), R8
JZ repeat_extend_back_end_encodeSnappyBlockAsm8B
repeat_extend_back_loop_encodeSnappyBlockAsm8B:
CMPL DI, SI
JLE repeat_extend_back_end_encodeSnappyBlockAsm8B
MOVB -1(DX)(R8*1), BL
MOVB -1(DX)(DI*1), R9
CMPB BL, R9
JNE repeat_extend_back_end_encodeSnappyBlockAsm8B
LEAL -1(DI), DI
DECL R8
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm8B
repeat_extend_back_end_encodeSnappyBlockAsm8B:
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B
MOVL DI, R8
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R9
SUBL SI, R8
LEAL -1(R8), SI
CMPL SI, $0x3c
JLT one_byte_repeat_emit_encodeSnappyBlockAsm8B
CMPL SI, $0x00000100
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm8B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm8B
two_bytes_repeat_emit_encodeSnappyBlockAsm8B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_repeat_emit_encodeSnappyBlockAsm8B
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm8B
one_byte_repeat_emit_encodeSnappyBlockAsm8B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_repeat_emit_encodeSnappyBlockAsm8B:
LEAQ (AX)(R8*1), SI
// genMemMoveShort
CMPQ R8, $0x08
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8
CMPQ R8, $0x10
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8through16
CMPQ R8, $0x20
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_33through64
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8:
MOVQ (R9), R10
MOVQ R10, (AX)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8through16:
MOVQ (R9), R10
MOVQ -8(R9)(R8*1), R9
MOVQ R10, (AX)
MOVQ R9, -8(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_17through32:
MOVOU (R9), X0
MOVOU -16(R9)(R8*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R8*1)
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_33through64:
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B:
MOVQ SI, AX
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B
memmove_long_repeat_emit_encodeSnappyBlockAsm8B:
LEAQ (AX)(R8*1), SI
// genMemMoveLong
MOVOU (R9), X0
MOVOU 16(R9), X1
MOVOU -32(R9)(R8*1), X2
MOVOU -16(R9)(R8*1), X3
MOVQ R8, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(R9)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(R9)(R12*1), X4
MOVOU -16(R9)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R8, R12
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R8*1)
MOVOU X3, -16(AX)(R8*1)
MOVQ SI, AX
emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B:
ADDL $0x05, CX
MOVL CX, SI
SUBL 16(SP), SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), SI
// matchLen
XORL R11, R11
CMPL R8, $0x08
JL matchlen_single_repeat_extend_encodeSnappyBlockAsm8B
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm8B:
MOVQ (R9)(R11*1), R10
XORQ (SI)(R11*1), R10
TESTQ R10, R10
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm8B
BSFQ R10, R10
SARQ $0x03, R10
LEAL (R11)(R10*1), R11
JMP repeat_extend_forward_end_encodeSnappyBlockAsm8B
matchlen_loop_repeat_extend_encodeSnappyBlockAsm8B:
LEAL -8(R8), R8
LEAL 8(R11), R11
CMPL R8, $0x08
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm8B
matchlen_single_repeat_extend_encodeSnappyBlockAsm8B:
TESTL R8, R8
JZ repeat_extend_forward_end_encodeSnappyBlockAsm8B
matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm8B:
MOVB (R9)(R11*1), R10
CMPB (SI)(R11*1), R10
JNE repeat_extend_forward_end_encodeSnappyBlockAsm8B
LEAL 1(R11), R11
DECL R8
JNZ matchlen_single_loopback_repeat_extend_encodeSnappyBlockAsm8B
repeat_extend_forward_end_encodeSnappyBlockAsm8B:
ADDL R11, CX
MOVL CX, SI
SUBL DI, SI
MOVL 16(SP), DI
// emitCopy
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm8B:
CMPL SI, $0x40
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm8B
MOVB $0xee, (AX)
MOVW DI, 1(AX)
LEAL -60(SI), SI
ADDQ $0x03, AX
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm8B
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm8B:
CMPL SI, $0x0c
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(SI*4), SI
MOVB DI, 1(AX)
SHRL $0x08, DI
SHLL $0x05, DI
ORL DI, SI
MOVB SI, (AX)
ADDQ $0x02, AX
JMP repeat_end_emit_encodeSnappyBlockAsm8B
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(SI*4), SI
MOVB SI, (AX)
MOVW DI, 1(AX)
ADDQ $0x03, AX
repeat_end_emit_encodeSnappyBlockAsm8B:
MOVL CX, 12(SP)
JMP search_loop_encodeSnappyBlockAsm8B
no_repeat_found_encodeSnappyBlockAsm8B:
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBlockAsm8B
SHRQ $0x08, DI
MOVL 24(SP)(R10*4), SI
LEAL 2(CX), R9
CMPL (DX)(R8*1), DI
JEQ candidate2_match_encodeSnappyBlockAsm8B
MOVL R9, 24(SP)(R10*4)
SHRQ $0x08, DI
CMPL (DX)(SI*1), DI
JEQ candidate3_match_encodeSnappyBlockAsm8B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBlockAsm8B
candidate3_match_encodeSnappyBlockAsm8B:
ADDL $0x02, CX
JMP candidate_match_encodeSnappyBlockAsm8B
candidate2_match_encodeSnappyBlockAsm8B:
MOVL R9, 24(SP)(R10*4)
INCL CX
MOVL R8, SI
candidate_match_encodeSnappyBlockAsm8B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBlockAsm8B
match_extend_back_loop_encodeSnappyBlockAsm8B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBlockAsm8B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBlockAsm8B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBlockAsm8B
JMP match_extend_back_loop_encodeSnappyBlockAsm8B
match_extend_back_end_encodeSnappyBlockAsm8B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBlockAsm8B:
MOVL CX, DI
MOVL 12(SP), R8
CMPL R8, DI
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm8B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(R8*1), DI
SUBL R8, R9
LEAL -1(R9), R8
CMPL R8, $0x3c
JLT one_byte_match_emit_encodeSnappyBlockAsm8B
CMPL R8, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBlockAsm8B
MOVB $0xf4, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBlockAsm8B
two_bytes_match_emit_encodeSnappyBlockAsm8B:
MOVB $0xf0, (AX)
MOVB R8, 1(AX)
ADDQ $0x02, AX
CMPL R8, $0x40
JL memmove_match_emit_encodeSnappyBlockAsm8B
JMP memmove_long_match_emit_encodeSnappyBlockAsm8B
one_byte_match_emit_encodeSnappyBlockAsm8B:
SHLB $0x02, R8
MOVB R8, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBlockAsm8B:
LEAQ (AX)(R9*1), R8
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8:
MOVQ (DI), R10
MOVQ R10, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8through16:
MOVQ (DI), R10
MOVQ -8(DI)(R9*1), DI
MOVQ R10, (AX)
MOVQ DI, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_17through32:
MOVOU (DI), X0
MOVOU -16(DI)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_33through64:
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBlockAsm8B:
MOVQ R8, AX
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm8B
memmove_long_match_emit_encodeSnappyBlockAsm8B:
LEAQ (AX)(R9*1), R8
// genMemMoveLong
MOVOU (DI), X0
MOVOU 16(DI), X1
MOVOU -32(DI)(R9*1), X2
MOVOU -16(DI)(R9*1), X3
MOVQ R9, R11
SHRQ $0x05, R11
MOVQ AX, R10
ANDL $0x0000001f, R10
MOVQ $0x00000040, R12
SUBQ R10, R12
DECQ R11
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(DI)(R12*1), R10
LEAQ -32(AX)(R12*1), R13
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_big_loop_back:
MOVOU (R10), X4
MOVOU 16(R10), X5
MOVOA X4, (R13)
MOVOA X5, 16(R13)
ADDQ $0x20, R13
ADDQ $0x20, R10
ADDQ $0x20, R12
DECQ R11
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(DI)(R12*1), X4
MOVOU -16(DI)(R12*1), X5
MOVOA X4, -32(AX)(R12*1)
MOVOA X5, -16(AX)(R12*1)
ADDQ $0x20, R12
CMPQ R9, R12
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ R8, AX
emit_literal_done_match_emit_encodeSnappyBlockAsm8B:
match_nolit_loop_encodeSnappyBlockAsm8B:
MOVL CX, DI
SUBL SI, DI
MOVL DI, 16(SP)
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), DI
SUBL CX, DI
LEAQ (DX)(CX*1), R8
LEAQ (DX)(SI*1), SI
// matchLen
XORL R10, R10
CMPL DI, $0x08
JL matchlen_single_match_nolit_encodeSnappyBlockAsm8B
matchlen_loopback_match_nolit_encodeSnappyBlockAsm8B:
MOVQ (R8)(R10*1), R9
XORQ (SI)(R10*1), R9
TESTQ R9, R9
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm8B
BSFQ R9, R9
SARQ $0x03, R9
LEAL (R10)(R9*1), R10
JMP match_nolit_end_encodeSnappyBlockAsm8B
matchlen_loop_match_nolit_encodeSnappyBlockAsm8B:
LEAL -8(DI), DI
LEAL 8(R10), R10
CMPL DI, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm8B
matchlen_single_match_nolit_encodeSnappyBlockAsm8B:
TESTL DI, DI
JZ match_nolit_end_encodeSnappyBlockAsm8B
matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm8B:
MOVB (R8)(R10*1), R9
CMPB (SI)(R10*1), R9
JNE match_nolit_end_encodeSnappyBlockAsm8B
LEAL 1(R10), R10
DECL DI
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBlockAsm8B
match_nolit_end_encodeSnappyBlockAsm8B:
ADDL R10, CX
MOVL 16(SP), SI
ADDL $0x04, R10
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBlockAsm8B:
CMPL R10, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm8B
MOVB $0xee, (AX)
MOVW SI, 1(AX)
LEAL -60(R10), R10
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm8B
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm8B:
CMPL R10, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(R10*4), R10
MOVB SI, 1(AX)
SHRL $0x08, SI
SHLL $0x05, SI
ORL SI, R10
MOVB R10, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm8B
emit_copy_three_match_nolit_encodeSnappyBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(R10*4), R10
MOVB R10, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBlockAsm8B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBlockAsm8B
MOVQ -2(DX)(CX*1), DI
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBlockAsm8B:
MOVQ $0x9e3779b1, R9
MOVQ DI, R8
SHRQ $0x10, DI
MOVQ DI, SI
SHLQ $0x20, R8
IMULQ R9, R8
SHRQ $0x38, R8
SHLQ $0x20, SI
IMULQ R9, SI
SHRQ $0x38, SI
LEAL -2(CX), R9
LEAQ 24(SP)(SI*4), R10
MOVL (R10), SI
MOVL R9, 24(SP)(R8*4)
MOVL CX, (R10)
CMPL (DX)(SI*1), DI
JEQ match_nolit_loop_encodeSnappyBlockAsm8B
INCL CX
JMP search_loop_encodeSnappyBlockAsm8B
emit_remainder_encodeSnappyBlockAsm8B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBlockAsm8B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBlockAsm8B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm8B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm8B
two_bytes_emit_remainder_encodeSnappyBlockAsm8B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBlockAsm8B
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm8B
one_byte_emit_remainder_encodeSnappyBlockAsm8B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B
memmove_long_emit_remainder_encodeSnappyBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBetterBlockAsm(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBetterBlockAsm(SB), $327704-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000a00, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBetterBlockAsm:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBetterBlockAsm
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBetterBlockAsm:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x07, SI
CMPL SI, $0x63
JLE check_maxskip_ok_encodeSnappyBetterBlockAsm
LEAL 100(CX), SI
JMP check_maxskip_cont_encodeSnappyBetterBlockAsm
check_maxskip_ok_encodeSnappyBetterBlockAsm:
LEAL 1(CX)(SI*1), SI
check_maxskip_cont_encodeSnappyBetterBlockAsm:
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x00cf1bbcdcbfa563, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 262168(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 262168(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeSnappyBetterBlockAsm
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBetterBlockAsm
candidateS_match_encodeSnappyBetterBlockAsm:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm
DECL CX
MOVL R8, SI
candidate_match_encodeSnappyBetterBlockAsm:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm
match_extend_back_loop_encodeSnappyBetterBlockAsm:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBetterBlockAsm
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBetterBlockAsm
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm
match_extend_back_end_encodeSnappyBetterBlockAsm:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 5(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBetterBlockAsm:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeSnappyBetterBlockAsm
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeSnappyBetterBlockAsm
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm
matchlen_single_match_nolit_encodeSnappyBetterBlockAsm:
TESTL R8, R8
JZ match_nolit_end_encodeSnappyBetterBlockAsm
matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeSnappyBetterBlockAsm
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm
match_nolit_end_encodeSnappyBetterBlockAsm:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
CMPL R12, $0x01
JG match_length_ok_encodeSnappyBetterBlockAsm
CMPL R8, $0x0000ffff
JLE match_length_ok_encodeSnappyBetterBlockAsm
MOVL 20(SP), CX
INCL CX
JMP search_loop_encodeSnappyBetterBlockAsm
match_length_ok_encodeSnappyBetterBlockAsm:
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm
CMPL SI, $0x00010000
JLT three_bytes_match_emit_encodeSnappyBetterBlockAsm
CMPL SI, $0x01000000
JLT four_bytes_match_emit_encodeSnappyBetterBlockAsm
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
four_bytes_match_emit_encodeSnappyBetterBlockAsm:
MOVL SI, R11
SHRL $0x10, R11
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB R11, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
three_bytes_match_emit_encodeSnappyBetterBlockAsm:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
two_bytes_match_emit_encodeSnappyBetterBlockAsm:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeSnappyBetterBlockAsm
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
one_byte_match_emit_encodeSnappyBetterBlockAsm:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm
memmove_long_match_emit_encodeSnappyBetterBlockAsm:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
CMPL R8, $0x00010000
JL two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm
four_bytes_loop_back_match_nolit_encodeSnappyBetterBlockAsm:
CMPL R12, $0x40
JLE four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm
MOVB $0xff, (AX)
MOVL R8, 1(AX)
LEAL -64(R12), R12
ADDQ $0x05, AX
CMPL R12, $0x04
JL four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm
JMP four_bytes_loop_back_match_nolit_encodeSnappyBetterBlockAsm
four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm:
TESTL R12, R12
JZ match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
MOVB $0x03, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVL R8, 1(AX)
ADDQ $0x05, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBetterBlockAsm:
MOVQ $0x00cf1bbcdcbfa563, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x32, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 262168(SP)(R11*4)
MOVL R15, 262168(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 262168(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeSnappyBetterBlockAsm
emit_remainder_encodeSnappyBetterBlockAsm:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 5(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBetterBlockAsm
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBetterBlockAsm:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm
CMPL DX, $0x00010000
JLT three_bytes_emit_remainder_encodeSnappyBetterBlockAsm
CMPL DX, $0x01000000
JLT four_bytes_emit_remainder_encodeSnappyBetterBlockAsm
MOVB $0xfc, (AX)
MOVL DX, 1(AX)
ADDQ $0x05, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
four_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
MOVL DX, BX
SHRL $0x10, BX
MOVB $0xf8, (AX)
MOVW DX, 1(AX)
MOVB BL, 3(AX)
ADDQ $0x04, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
three_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
one_byte_emit_remainder_encodeSnappyBetterBlockAsm:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBetterBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBetterBlockAsm64K(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBetterBlockAsm64K(SB), $327704-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000a00, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBetterBlockAsm64K:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBetterBlockAsm64K
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBetterBlockAsm64K:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x07, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm64K
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x00cf1bbcdcbfa563, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x32, R11
MOVL 24(SP)(R10*4), SI
MOVL 262168(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 262168(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm64K
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeSnappyBetterBlockAsm64K
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBetterBlockAsm64K
candidateS_match_encodeSnappyBetterBlockAsm64K:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x08, R10
IMULQ R9, R10
SHRQ $0x30, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm64K
DECL CX
MOVL R8, SI
candidate_match_encodeSnappyBetterBlockAsm64K:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm64K
match_extend_back_loop_encodeSnappyBetterBlockAsm64K:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBetterBlockAsm64K
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBetterBlockAsm64K
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm64K
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm64K
match_extend_back_end_encodeSnappyBetterBlockAsm64K:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBetterBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBetterBlockAsm64K:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeSnappyBetterBlockAsm64K
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm64K:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm64K
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeSnappyBetterBlockAsm64K
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm64K:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm64K
matchlen_single_match_nolit_encodeSnappyBetterBlockAsm64K:
TESTL R8, R8
JZ match_nolit_end_encodeSnappyBetterBlockAsm64K
matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm64K:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeSnappyBetterBlockAsm64K
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm64K
match_nolit_end_encodeSnappyBetterBlockAsm64K:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm64K
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm64K
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm64K
two_bytes_match_emit_encodeSnappyBetterBlockAsm64K:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeSnappyBetterBlockAsm64K
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm64K
one_byte_match_emit_encodeSnappyBetterBlockAsm64K:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBetterBlockAsm64K:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K
memmove_long_match_emit_encodeSnappyBetterBlockAsm64K:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm64K:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm64K
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm64K
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm64K:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm64K
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm64K:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm64K
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBetterBlockAsm64K:
MOVQ $0x00cf1bbcdcbfa563, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x32, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 262168(SP)(R11*4)
MOVL R15, 262168(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x08, R10
IMULQ SI, R10
SHRQ $0x30, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x32, R11
SHLQ $0x08, R13
IMULQ SI, R13
SHRQ $0x30, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 262168(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeSnappyBetterBlockAsm64K
emit_remainder_encodeSnappyBetterBlockAsm64K:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBetterBlockAsm64K
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBetterBlockAsm64K:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm64K
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm64K
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm64K:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm64K
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K
one_byte_emit_remainder_encodeSnappyBetterBlockAsm64K:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBetterBlockAsm64K:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBetterBlockAsm12B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBetterBlockAsm12B(SB), $81944-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000280, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBetterBlockAsm12B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBetterBlockAsm12B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBetterBlockAsm12B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x06, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm12B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x34, R11
MOVL 24(SP)(R10*4), SI
MOVL 65560(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 65560(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm12B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeSnappyBetterBlockAsm12B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBetterBlockAsm12B
candidateS_match_encodeSnappyBetterBlockAsm12B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x32, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm12B
DECL CX
MOVL R8, SI
candidate_match_encodeSnappyBetterBlockAsm12B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm12B
match_extend_back_loop_encodeSnappyBetterBlockAsm12B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBetterBlockAsm12B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBetterBlockAsm12B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm12B
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm12B
match_extend_back_end_encodeSnappyBetterBlockAsm12B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBetterBlockAsm12B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeSnappyBetterBlockAsm12B
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm12B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm12B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeSnappyBetterBlockAsm12B
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm12B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm12B
matchlen_single_match_nolit_encodeSnappyBetterBlockAsm12B:
TESTL R8, R8
JZ match_nolit_end_encodeSnappyBetterBlockAsm12B
matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm12B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeSnappyBetterBlockAsm12B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm12B
match_nolit_end_encodeSnappyBetterBlockAsm12B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm12B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm12B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm12B
two_bytes_match_emit_encodeSnappyBetterBlockAsm12B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeSnappyBetterBlockAsm12B
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm12B
one_byte_match_emit_encodeSnappyBetterBlockAsm12B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B
memmove_long_match_emit_encodeSnappyBetterBlockAsm12B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm12B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm12B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm12B
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm12B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm12B
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm12B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm12B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBetterBlockAsm12B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x32, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x32, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x34, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x34, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 65560(SP)(R11*4)
MOVL R15, 65560(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x32, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x34, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x32, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 65560(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeSnappyBetterBlockAsm12B
emit_remainder_encodeSnappyBetterBlockAsm12B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBetterBlockAsm12B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBetterBlockAsm12B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm12B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm12B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm12B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm12B
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B
one_byte_emit_remainder_encodeSnappyBetterBlockAsm12B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBetterBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBetterBlockAsm10B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBetterBlockAsm10B(SB), $20504-56
MOVQ dst_base+0(FP), AX
MOVQ $0x000000a0, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBetterBlockAsm10B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBetterBlockAsm10B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBetterBlockAsm10B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x05, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm10B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x34, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x36, R11
MOVL 24(SP)(R10*4), SI
MOVL 16408(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 16408(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm10B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeSnappyBetterBlockAsm10B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBetterBlockAsm10B
candidateS_match_encodeSnappyBetterBlockAsm10B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x34, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm10B
DECL CX
MOVL R8, SI
candidate_match_encodeSnappyBetterBlockAsm10B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm10B
match_extend_back_loop_encodeSnappyBetterBlockAsm10B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBetterBlockAsm10B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBetterBlockAsm10B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm10B
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm10B
match_extend_back_end_encodeSnappyBetterBlockAsm10B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBetterBlockAsm10B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeSnappyBetterBlockAsm10B
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm10B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm10B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeSnappyBetterBlockAsm10B
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm10B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm10B
matchlen_single_match_nolit_encodeSnappyBetterBlockAsm10B:
TESTL R8, R8
JZ match_nolit_end_encodeSnappyBetterBlockAsm10B
matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm10B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeSnappyBetterBlockAsm10B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm10B
match_nolit_end_encodeSnappyBetterBlockAsm10B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm10B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm10B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm10B
two_bytes_match_emit_encodeSnappyBetterBlockAsm10B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeSnappyBetterBlockAsm10B
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm10B
one_byte_match_emit_encodeSnappyBetterBlockAsm10B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B
memmove_long_match_emit_encodeSnappyBetterBlockAsm10B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm10B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm10B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm10B
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm10B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B
CMPL R8, $0x00000800
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm10B
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm10B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm10B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBetterBlockAsm10B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x34, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x34, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x36, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x36, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 16408(SP)(R11*4)
MOVL R15, 16408(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x34, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x36, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x34, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 16408(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeSnappyBetterBlockAsm10B
emit_remainder_encodeSnappyBetterBlockAsm10B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBetterBlockAsm10B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBetterBlockAsm10B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm10B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm10B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm10B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm10B
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B
one_byte_emit_remainder_encodeSnappyBetterBlockAsm10B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBetterBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func encodeSnappyBetterBlockAsm8B(dst []byte, src []byte) int
// Requires: SSE2
TEXT ·encodeSnappyBetterBlockAsm8B(SB), $5144-56
MOVQ dst_base+0(FP), AX
MOVQ $0x00000028, CX
LEAQ 24(SP), DX
PXOR X0, X0
zero_loop_encodeSnappyBetterBlockAsm8B:
MOVOU X0, (DX)
MOVOU X0, 16(DX)
MOVOU X0, 32(DX)
MOVOU X0, 48(DX)
MOVOU X0, 64(DX)
MOVOU X0, 80(DX)
MOVOU X0, 96(DX)
MOVOU X0, 112(DX)
ADDQ $0x80, DX
DECQ CX
JNZ zero_loop_encodeSnappyBetterBlockAsm8B
MOVL $0x00000000, 12(SP)
MOVQ src_len+32(FP), CX
LEAQ -9(CX), DX
LEAQ -8(CX), SI
MOVL SI, 8(SP)
SHRQ $0x05, CX
SUBL CX, DX
LEAQ (AX)(DX*1), DX
MOVQ DX, (SP)
MOVL $0x00000001, CX
MOVL $0x00000000, 16(SP)
MOVQ src_base+24(FP), DX
search_loop_encodeSnappyBetterBlockAsm8B:
MOVL CX, SI
SUBL 12(SP), SI
SHRL $0x04, SI
LEAL 1(CX)(SI*1), SI
CMPL SI, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm8B
MOVQ (DX)(CX*1), DI
MOVL SI, 20(SP)
MOVQ $0x0000cf1bbcdcbf9b, R9
MOVQ $0x9e3779b1, SI
MOVQ DI, R10
MOVQ DI, R11
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ SI, R11
SHRQ $0x38, R11
MOVL 24(SP)(R10*4), SI
MOVL 4120(SP)(R11*4), R8
MOVL CX, 24(SP)(R10*4)
MOVL CX, 4120(SP)(R11*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm8B
CMPL (DX)(R8*1), DI
JEQ candidateS_match_encodeSnappyBetterBlockAsm8B
MOVL 20(SP), CX
JMP search_loop_encodeSnappyBetterBlockAsm8B
candidateS_match_encodeSnappyBetterBlockAsm8B:
SHRQ $0x08, DI
MOVQ DI, R10
SHLQ $0x10, R10
IMULQ R9, R10
SHRQ $0x36, R10
MOVL 24(SP)(R10*4), SI
INCL CX
MOVL CX, 24(SP)(R10*4)
CMPL (DX)(SI*1), DI
JEQ candidate_match_encodeSnappyBetterBlockAsm8B
DECL CX
MOVL R8, SI
candidate_match_encodeSnappyBetterBlockAsm8B:
MOVL 12(SP), DI
TESTL SI, SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm8B
match_extend_back_loop_encodeSnappyBetterBlockAsm8B:
CMPL CX, DI
JLE match_extend_back_end_encodeSnappyBetterBlockAsm8B
MOVB -1(DX)(SI*1), BL
MOVB -1(DX)(CX*1), R8
CMPB BL, R8
JNE match_extend_back_end_encodeSnappyBetterBlockAsm8B
LEAL -1(CX), CX
DECL SI
JZ match_extend_back_end_encodeSnappyBetterBlockAsm8B
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm8B
match_extend_back_end_encodeSnappyBetterBlockAsm8B:
MOVL CX, DI
SUBL 12(SP), DI
LEAQ 3(AX)(DI*1), DI
CMPQ DI, (SP)
JL match_dst_size_check_encodeSnappyBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_dst_size_check_encodeSnappyBetterBlockAsm8B:
MOVL CX, DI
ADDL $0x04, CX
ADDL $0x04, SI
MOVQ src_len+32(FP), R8
SUBL CX, R8
LEAQ (DX)(CX*1), R9
LEAQ (DX)(SI*1), R10
// matchLen
XORL R12, R12
CMPL R8, $0x08
JL matchlen_single_match_nolit_encodeSnappyBetterBlockAsm8B
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm8B:
MOVQ (R9)(R12*1), R11
XORQ (R10)(R12*1), R11
TESTQ R11, R11
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm8B
BSFQ R11, R11
SARQ $0x03, R11
LEAL (R12)(R11*1), R12
JMP match_nolit_end_encodeSnappyBetterBlockAsm8B
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm8B:
LEAL -8(R8), R8
LEAL 8(R12), R12
CMPL R8, $0x08
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm8B
matchlen_single_match_nolit_encodeSnappyBetterBlockAsm8B:
TESTL R8, R8
JZ match_nolit_end_encodeSnappyBetterBlockAsm8B
matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm8B:
MOVB (R9)(R12*1), R11
CMPB (R10)(R12*1), R11
JNE match_nolit_end_encodeSnappyBetterBlockAsm8B
LEAL 1(R12), R12
DECL R8
JNZ matchlen_single_loopback_match_nolit_encodeSnappyBetterBlockAsm8B
match_nolit_end_encodeSnappyBetterBlockAsm8B:
MOVL CX, R8
SUBL SI, R8
// Check if repeat
MOVL R8, 16(SP)
MOVL 12(SP), SI
CMPL SI, DI
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B
MOVL DI, R9
MOVL DI, 12(SP)
LEAQ (DX)(SI*1), R10
SUBL SI, R9
LEAL -1(R9), SI
CMPL SI, $0x3c
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm8B
CMPL SI, $0x00000100
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm8B
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm8B
two_bytes_match_emit_encodeSnappyBetterBlockAsm8B:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_match_emit_encodeSnappyBetterBlockAsm8B
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm8B
one_byte_match_emit_encodeSnappyBetterBlockAsm8B:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, AX
memmove_match_emit_encodeSnappyBetterBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveShort
CMPQ R9, $0x08
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8
CMPQ R9, $0x10
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8through16
CMPQ R9, $0x20
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_33through64
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8:
MOVQ (R10), R11
MOVQ R11, (AX)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8through16:
MOVQ (R10), R11
MOVQ -8(R10)(R9*1), R10
MOVQ R11, (AX)
MOVQ R10, -8(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_17through32:
MOVOU (R10), X0
MOVOU -16(R10)(R9*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(R9*1)
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_33through64:
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B:
MOVQ SI, AX
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B
memmove_long_match_emit_encodeSnappyBetterBlockAsm8B:
LEAQ (AX)(R9*1), SI
// genMemMoveLong
MOVOU (R10), X0
MOVOU 16(R10), X1
MOVOU -32(R10)(R9*1), X2
MOVOU -16(R10)(R9*1), X3
MOVQ R9, R13
SHRQ $0x05, R13
MOVQ AX, R11
ANDL $0x0000001f, R11
MOVQ $0x00000040, R14
SUBQ R11, R14
DECQ R13
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(R10)(R14*1), R11
LEAQ -32(AX)(R14*1), R15
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_big_loop_back:
MOVOU (R11), X4
MOVOU 16(R11), X5
MOVOA X4, (R15)
MOVOA X5, 16(R15)
ADDQ $0x20, R15
ADDQ $0x20, R11
ADDQ $0x20, R14
DECQ R13
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(R10)(R14*1), X4
MOVOU -16(R10)(R14*1), X5
MOVOA X4, -32(AX)(R14*1)
MOVOA X5, -16(AX)(R14*1)
ADDQ $0x20, R14
CMPQ R9, R14
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(R9*1)
MOVOU X3, -16(AX)(R9*1)
MOVQ SI, AX
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B:
ADDL R12, CX
ADDL $0x04, R12
MOVL CX, 12(SP)
// emitCopy
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm8B:
CMPL R12, $0x40
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm8B
MOVB $0xee, (AX)
MOVW R8, 1(AX)
LEAL -60(R12), R12
ADDQ $0x03, AX
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm8B
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm8B:
CMPL R12, $0x0c
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm8B
MOVB $0x01, BL
LEAL -16(BX)(R12*4), R12
MOVB R8, 1(AX)
SHRL $0x08, R8
SHLL $0x05, R8
ORL R8, R12
MOVB R12, (AX)
ADDQ $0x02, AX
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm8B
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm8B:
MOVB $0x02, BL
LEAL -4(BX)(R12*4), R12
MOVB R12, (AX)
MOVW R8, 1(AX)
ADDQ $0x03, AX
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm8B:
CMPL CX, 8(SP)
JGE emit_remainder_encodeSnappyBetterBlockAsm8B
CMPQ AX, (SP)
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
match_nolit_dst_ok_encodeSnappyBetterBlockAsm8B:
MOVQ $0x0000cf1bbcdcbf9b, SI
MOVQ $0x9e3779b1, R8
INCL DI
MOVQ (DX)(DI*1), R9
MOVQ R9, R10
MOVQ R9, R11
MOVQ R9, R12
SHRQ $0x08, R11
MOVQ R11, R13
SHRQ $0x10, R12
LEAL 1(DI), R14
LEAL 2(DI), R15
MOVQ -2(DX)(CX*1), R9
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x36, R10
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x36, R13
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x38, R11
SHLQ $0x20, R12
IMULQ R8, R12
SHRQ $0x38, R12
MOVL DI, 24(SP)(R10*4)
MOVL R14, 24(SP)(R13*4)
MOVL R14, 4120(SP)(R11*4)
MOVL R15, 4120(SP)(R12*4)
MOVQ R9, R10
MOVQ R9, R11
SHRQ $0x08, R11
MOVQ R11, R13
LEAL -2(CX), R9
LEAL -1(CX), DI
SHLQ $0x10, R10
IMULQ SI, R10
SHRQ $0x36, R10
SHLQ $0x20, R11
IMULQ R8, R11
SHRQ $0x38, R11
SHLQ $0x10, R13
IMULQ SI, R13
SHRQ $0x36, R13
MOVL R9, 24(SP)(R10*4)
MOVL DI, 4120(SP)(R11*4)
MOVL DI, 24(SP)(R13*4)
JMP search_loop_encodeSnappyBetterBlockAsm8B
emit_remainder_encodeSnappyBetterBlockAsm8B:
MOVQ src_len+32(FP), CX
SUBL 12(SP), CX
LEAQ 3(AX)(CX*1), CX
CMPQ CX, (SP)
JL emit_remainder_ok_encodeSnappyBetterBlockAsm8B
MOVQ $0x00000000, ret+48(FP)
RET
emit_remainder_ok_encodeSnappyBetterBlockAsm8B:
MOVQ src_len+32(FP), CX
MOVL 12(SP), BX
CMPL BX, CX
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B
MOVL CX, SI
MOVL CX, 12(SP)
LEAQ (DX)(BX*1), CX
SUBL BX, SI
LEAL -1(SI), DX
CMPL DX, $0x3c
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm8B
CMPL DX, $0x00000100
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm8B
MOVB $0xf4, (AX)
MOVW DX, 1(AX)
ADDQ $0x03, AX
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm8B:
MOVB $0xf0, (AX)
MOVB DL, 1(AX)
ADDQ $0x02, AX
CMPL DX, $0x40
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm8B
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B
one_byte_emit_remainder_encodeSnappyBetterBlockAsm8B:
SHLB $0x02, DL
MOVB DL, (AX)
ADDQ $0x01, AX
memmove_emit_remainder_encodeSnappyBetterBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveShort
CMPQ BX, $0x08
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8
CMPQ BX, $0x10
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8through16
CMPQ BX, $0x20
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_17through32
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_33through64
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8:
MOVQ (CX), SI
MOVQ SI, (AX)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(BX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(BX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(BX*1)
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B:
MOVQ DX, AX
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B:
LEAQ (AX)(SI*1), DX
MOVL SI, BX
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(BX*1), X2
MOVOU -16(CX)(BX*1), X3
MOVQ BX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_big_loop_back
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ BX, R8
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(BX*1)
MOVOU X3, -16(AX)(BX*1)
MOVQ DX, AX
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B:
MOVQ dst_base+0(FP), CX
SUBQ CX, AX
MOVQ AX, ret+48(FP)
RET
// func emitLiteral(dst []byte, lit []byte) int
// Requires: SSE2
TEXT ·emitLiteral(SB), NOSPLIT, $0-56
MOVQ lit_len+32(FP), DX
MOVQ dst_base+0(FP), AX
MOVQ lit_base+24(FP), CX
TESTQ DX, DX
JZ emit_literal_end_standalone_skip
MOVL DX, BX
LEAL -1(DX), SI
CMPL SI, $0x3c
JLT one_byte_standalone
CMPL SI, $0x00000100
JLT two_bytes_standalone
CMPL SI, $0x00010000
JLT three_bytes_standalone
CMPL SI, $0x01000000
JLT four_bytes_standalone
MOVB $0xfc, (AX)
MOVL SI, 1(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP memmove_long_standalone
four_bytes_standalone:
MOVL SI, DI
SHRL $0x10, DI
MOVB $0xf8, (AX)
MOVW SI, 1(AX)
MOVB DI, 3(AX)
ADDQ $0x04, BX
ADDQ $0x04, AX
JMP memmove_long_standalone
three_bytes_standalone:
MOVB $0xf4, (AX)
MOVW SI, 1(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
JMP memmove_long_standalone
two_bytes_standalone:
MOVB $0xf0, (AX)
MOVB SI, 1(AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
CMPL SI, $0x40
JL memmove_standalone
JMP memmove_long_standalone
one_byte_standalone:
SHLB $0x02, SI
MOVB SI, (AX)
ADDQ $0x01, BX
ADDQ $0x01, AX
memmove_standalone:
// genMemMoveShort
CMPQ DX, $0x03
JB emit_lit_memmove_standalone_memmove_move_1or2
JE emit_lit_memmove_standalone_memmove_move_3
CMPQ DX, $0x08
JB emit_lit_memmove_standalone_memmove_move_4through7
CMPQ DX, $0x10
JBE emit_lit_memmove_standalone_memmove_move_8through16
CMPQ DX, $0x20
JBE emit_lit_memmove_standalone_memmove_move_17through32
JMP emit_lit_memmove_standalone_memmove_move_33through64
emit_lit_memmove_standalone_memmove_move_1or2:
MOVB (CX), SI
MOVB -1(CX)(DX*1), CL
MOVB SI, (AX)
MOVB CL, -1(AX)(DX*1)
JMP emit_literal_end_standalone
emit_lit_memmove_standalone_memmove_move_3:
MOVW (CX), SI
MOVB 2(CX), CL
MOVW SI, (AX)
MOVB CL, 2(AX)
JMP emit_literal_end_standalone
emit_lit_memmove_standalone_memmove_move_4through7:
MOVL (CX), SI
MOVL -4(CX)(DX*1), CX
MOVL SI, (AX)
MOVL CX, -4(AX)(DX*1)
JMP emit_literal_end_standalone
emit_lit_memmove_standalone_memmove_move_8through16:
MOVQ (CX), SI
MOVQ -8(CX)(DX*1), CX
MOVQ SI, (AX)
MOVQ CX, -8(AX)(DX*1)
JMP emit_literal_end_standalone
emit_lit_memmove_standalone_memmove_move_17through32:
MOVOU (CX), X0
MOVOU -16(CX)(DX*1), X1
MOVOU X0, (AX)
MOVOU X1, -16(AX)(DX*1)
JMP emit_literal_end_standalone
emit_lit_memmove_standalone_memmove_move_33through64:
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(DX*1), X2
MOVOU -16(CX)(DX*1), X3
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(DX*1)
MOVOU X3, -16(AX)(DX*1)
JMP emit_literal_end_standalone
JMP emit_literal_end_standalone
memmove_long_standalone:
// genMemMoveLong
MOVOU (CX), X0
MOVOU 16(CX), X1
MOVOU -32(CX)(DX*1), X2
MOVOU -16(CX)(DX*1), X3
MOVQ DX, DI
SHRQ $0x05, DI
MOVQ AX, SI
ANDL $0x0000001f, SI
MOVQ $0x00000040, R8
SUBQ SI, R8
DECQ DI
JA emit_lit_memmove_long_standalonelarge_forward_sse_loop_32
LEAQ -32(CX)(R8*1), SI
LEAQ -32(AX)(R8*1), R9
emit_lit_memmove_long_standalonelarge_big_loop_back:
MOVOU (SI), X4
MOVOU 16(SI), X5
MOVOA X4, (R9)
MOVOA X5, 16(R9)
ADDQ $0x20, R9
ADDQ $0x20, SI
ADDQ $0x20, R8
DECQ DI
JNA emit_lit_memmove_long_standalonelarge_big_loop_back
emit_lit_memmove_long_standalonelarge_forward_sse_loop_32:
MOVOU -32(CX)(R8*1), X4
MOVOU -16(CX)(R8*1), X5
MOVOA X4, -32(AX)(R8*1)
MOVOA X5, -16(AX)(R8*1)
ADDQ $0x20, R8
CMPQ DX, R8
JAE emit_lit_memmove_long_standalonelarge_forward_sse_loop_32
MOVOU X0, (AX)
MOVOU X1, 16(AX)
MOVOU X2, -32(AX)(DX*1)
MOVOU X3, -16(AX)(DX*1)
JMP emit_literal_end_standalone
JMP emit_literal_end_standalone
emit_literal_end_standalone_skip:
XORQ BX, BX
emit_literal_end_standalone:
MOVQ BX, ret+48(FP)
RET
// func emitRepeat(dst []byte, offset int, length int) int
TEXT ·emitRepeat(SB), NOSPLIT, $0-48
XORQ BX, BX
MOVQ dst_base+0(FP), AX
MOVQ offset+24(FP), CX
MOVQ length+32(FP), DX
// emitRepeat
emit_repeat_again_standalone:
MOVL DX, SI
LEAL -4(DX), DX
CMPL SI, $0x08
JLE repeat_two_standalone
CMPL SI, $0x0c
JGE cant_repeat_two_offset_standalone
CMPL CX, $0x00000800
JLT repeat_two_offset_standalone
cant_repeat_two_offset_standalone:
CMPL DX, $0x00000104
JLT repeat_three_standalone
CMPL DX, $0x00010100
JLT repeat_four_standalone
CMPL DX, $0x0100ffff
JLT repeat_five_standalone
LEAL -16842747(DX), DX
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
ADDQ $0x05, BX
JMP emit_repeat_again_standalone
repeat_five_standalone:
LEAL -65536(DX), DX
MOVL DX, CX
MOVW $0x001d, (AX)
MOVW DX, 2(AX)
SARL $0x10, CX
MOVB CL, 4(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP gen_emit_repeat_end
repeat_four_standalone:
LEAL -256(DX), DX
MOVW $0x0019, (AX)
MOVW DX, 2(AX)
ADDQ $0x04, BX
ADDQ $0x04, AX
JMP gen_emit_repeat_end
repeat_three_standalone:
LEAL -4(DX), DX
MOVW $0x0015, (AX)
MOVB DL, 2(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
JMP gen_emit_repeat_end
repeat_two_standalone:
SHLL $0x02, DX
ORL $0x01, DX
MOVW DX, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_repeat_end
repeat_two_offset_standalone:
XORQ SI, SI
LEAL 1(SI)(DX*4), DX
MOVB CL, 1(AX)
SARL $0x08, CX
SHLL $0x05, CX
ORL CX, DX
MOVB DL, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
gen_emit_repeat_end:
MOVQ BX, ret+40(FP)
RET
// func emitCopy(dst []byte, offset int, length int) int
TEXT ·emitCopy(SB), NOSPLIT, $0-48
XORQ BX, BX
MOVQ dst_base+0(FP), AX
MOVQ offset+24(FP), CX
MOVQ length+32(FP), DX
// emitCopy
CMPL CX, $0x00010000
JL two_byte_offset_standalone
four_bytes_loop_back_standalone:
CMPL DX, $0x40
JLE four_bytes_remain_standalone
MOVB $0xff, (AX)
MOVL CX, 1(AX)
LEAL -64(DX), DX
ADDQ $0x05, BX
ADDQ $0x05, AX
CMPL DX, $0x04
JL four_bytes_remain_standalone
// emitRepeat
emit_repeat_again_standalone_emit_copy:
MOVL DX, SI
LEAL -4(DX), DX
CMPL SI, $0x08
JLE repeat_two_standalone_emit_copy
CMPL SI, $0x0c
JGE cant_repeat_two_offset_standalone_emit_copy
CMPL CX, $0x00000800
JLT repeat_two_offset_standalone_emit_copy
cant_repeat_two_offset_standalone_emit_copy:
CMPL DX, $0x00000104
JLT repeat_three_standalone_emit_copy
CMPL DX, $0x00010100
JLT repeat_four_standalone_emit_copy
CMPL DX, $0x0100ffff
JLT repeat_five_standalone_emit_copy
LEAL -16842747(DX), DX
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
ADDQ $0x05, BX
JMP emit_repeat_again_standalone_emit_copy
repeat_five_standalone_emit_copy:
LEAL -65536(DX), DX
MOVL DX, CX
MOVW $0x001d, (AX)
MOVW DX, 2(AX)
SARL $0x10, CX
MOVB CL, 4(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP gen_emit_copy_end
repeat_four_standalone_emit_copy:
LEAL -256(DX), DX
MOVW $0x0019, (AX)
MOVW DX, 2(AX)
ADDQ $0x04, BX
ADDQ $0x04, AX
JMP gen_emit_copy_end
repeat_three_standalone_emit_copy:
LEAL -4(DX), DX
MOVW $0x0015, (AX)
MOVB DL, 2(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
JMP gen_emit_copy_end
repeat_two_standalone_emit_copy:
SHLL $0x02, DX
ORL $0x01, DX
MOVW DX, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end
repeat_two_offset_standalone_emit_copy:
XORQ SI, SI
LEAL 1(SI)(DX*4), DX
MOVB CL, 1(AX)
SARL $0x08, CX
SHLL $0x05, CX
ORL CX, DX
MOVB DL, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end
JMP four_bytes_loop_back_standalone
four_bytes_remain_standalone:
TESTL DX, DX
JZ gen_emit_copy_end
MOVB $0x03, SI
LEAL -4(SI)(DX*4), DX
MOVB DL, (AX)
MOVL CX, 1(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP gen_emit_copy_end
two_byte_offset_standalone:
CMPL DX, $0x40
JLE two_byte_offset_short_standalone
MOVB $0xee, (AX)
MOVW CX, 1(AX)
LEAL -60(DX), DX
ADDQ $0x03, AX
ADDQ $0x03, BX
// emitRepeat
emit_repeat_again_standalone_emit_copy_short:
MOVL DX, SI
LEAL -4(DX), DX
CMPL SI, $0x08
JLE repeat_two_standalone_emit_copy_short
CMPL SI, $0x0c
JGE cant_repeat_two_offset_standalone_emit_copy_short
CMPL CX, $0x00000800
JLT repeat_two_offset_standalone_emit_copy_short
cant_repeat_two_offset_standalone_emit_copy_short:
CMPL DX, $0x00000104
JLT repeat_three_standalone_emit_copy_short
CMPL DX, $0x00010100
JLT repeat_four_standalone_emit_copy_short
CMPL DX, $0x0100ffff
JLT repeat_five_standalone_emit_copy_short
LEAL -16842747(DX), DX
MOVW $0x001d, (AX)
MOVW $0xfffb, 2(AX)
MOVB $0xff, 4(AX)
ADDQ $0x05, AX
ADDQ $0x05, BX
JMP emit_repeat_again_standalone_emit_copy_short
repeat_five_standalone_emit_copy_short:
LEAL -65536(DX), DX
MOVL DX, CX
MOVW $0x001d, (AX)
MOVW DX, 2(AX)
SARL $0x10, CX
MOVB CL, 4(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP gen_emit_copy_end
repeat_four_standalone_emit_copy_short:
LEAL -256(DX), DX
MOVW $0x0019, (AX)
MOVW DX, 2(AX)
ADDQ $0x04, BX
ADDQ $0x04, AX
JMP gen_emit_copy_end
repeat_three_standalone_emit_copy_short:
LEAL -4(DX), DX
MOVW $0x0015, (AX)
MOVB DL, 2(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
JMP gen_emit_copy_end
repeat_two_standalone_emit_copy_short:
SHLL $0x02, DX
ORL $0x01, DX
MOVW DX, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end
repeat_two_offset_standalone_emit_copy_short:
XORQ SI, SI
LEAL 1(SI)(DX*4), DX
MOVB CL, 1(AX)
SARL $0x08, CX
SHLL $0x05, CX
ORL CX, DX
MOVB DL, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end
JMP two_byte_offset_standalone
two_byte_offset_short_standalone:
CMPL DX, $0x0c
JGE emit_copy_three_standalone
CMPL CX, $0x00000800
JGE emit_copy_three_standalone
MOVB $0x01, SI
LEAL -16(SI)(DX*4), DX
MOVB CL, 1(AX)
SHRL $0x08, CX
SHLL $0x05, CX
ORL CX, DX
MOVB DL, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end
emit_copy_three_standalone:
MOVB $0x02, SI
LEAL -4(SI)(DX*4), DX
MOVB DL, (AX)
MOVW CX, 1(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
gen_emit_copy_end:
MOVQ BX, ret+40(FP)
RET
// func emitCopyNoRepeat(dst []byte, offset int, length int) int
TEXT ·emitCopyNoRepeat(SB), NOSPLIT, $0-48
XORQ BX, BX
MOVQ dst_base+0(FP), AX
MOVQ offset+24(FP), CX
MOVQ length+32(FP), DX
// emitCopy
CMPL CX, $0x00010000
JL two_byte_offset_standalone_snappy
four_bytes_loop_back_standalone_snappy:
CMPL DX, $0x40
JLE four_bytes_remain_standalone_snappy
MOVB $0xff, (AX)
MOVL CX, 1(AX)
LEAL -64(DX), DX
ADDQ $0x05, BX
ADDQ $0x05, AX
CMPL DX, $0x04
JL four_bytes_remain_standalone_snappy
JMP four_bytes_loop_back_standalone_snappy
four_bytes_remain_standalone_snappy:
TESTL DX, DX
JZ gen_emit_copy_end_snappy
MOVB $0x03, SI
LEAL -4(SI)(DX*4), DX
MOVB DL, (AX)
MOVL CX, 1(AX)
ADDQ $0x05, BX
ADDQ $0x05, AX
JMP gen_emit_copy_end_snappy
two_byte_offset_standalone_snappy:
CMPL DX, $0x40
JLE two_byte_offset_short_standalone_snappy
MOVB $0xee, (AX)
MOVW CX, 1(AX)
LEAL -60(DX), DX
ADDQ $0x03, AX
ADDQ $0x03, BX
JMP two_byte_offset_standalone_snappy
two_byte_offset_short_standalone_snappy:
CMPL DX, $0x0c
JGE emit_copy_three_standalone_snappy
CMPL CX, $0x00000800
JGE emit_copy_three_standalone_snappy
MOVB $0x01, SI
LEAL -16(SI)(DX*4), DX
MOVB CL, 1(AX)
SHRL $0x08, CX
SHLL $0x05, CX
ORL CX, DX
MOVB DL, (AX)
ADDQ $0x02, BX
ADDQ $0x02, AX
JMP gen_emit_copy_end_snappy
emit_copy_three_standalone_snappy:
MOVB $0x02, SI
LEAL -4(SI)(DX*4), DX
MOVB DL, (AX)
MOVW CX, 1(AX)
ADDQ $0x03, BX
ADDQ $0x03, AX
gen_emit_copy_end_snappy:
MOVQ BX, ret+40(FP)
RET
// func matchLen(a []byte, b []byte) int
TEXT ·matchLen(SB), NOSPLIT, $0-56
MOVQ a_base+0(FP), AX
MOVQ b_base+24(FP), CX
MOVQ a_len+8(FP), DX
// matchLen
XORL SI, SI
CMPL DX, $0x08
JL matchlen_single_standalone
matchlen_loopback_standalone:
MOVQ (AX)(SI*1), BX
XORQ (CX)(SI*1), BX
TESTQ BX, BX
JZ matchlen_loop_standalone
BSFQ BX, BX
SARQ $0x03, BX
LEAL (SI)(BX*1), SI
JMP gen_match_len_end
matchlen_loop_standalone:
LEAL -8(DX), DX
LEAL 8(SI), SI
CMPL DX, $0x08
JGE matchlen_loopback_standalone
matchlen_single_standalone:
TESTL DX, DX
JZ gen_match_len_end
matchlen_single_loopback_standalone:
MOVB (AX)(SI*1), BL
CMPB (CX)(SI*1), BL
JNE gen_match_len_end
LEAL 1(SI), SI
DECL DX
JNZ matchlen_single_loopback_standalone
gen_match_len_end:
MOVQ SI, ret+48(FP)
RET