mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-21 09:42:11 +00:00
82 lines
1.2 KiB
Go
82 lines
1.2 KiB
Go
|
// Copyright 2016 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
// This file encapsulates some of the odd characteristics of the
|
||
|
|
// s390x instruction set, to minimize its interaction
|
||
|
|
// with the core of the assembler.
|
||
|
|
|
||
|
|
package arch
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/twitchyliquid64/golang-asm/obj/s390x"
|
||
|
|
)
|
||
|
|
|
||
|
|
func jumpS390x(word string) bool {
|
||
|
|
switch word {
|
||
|
|
case "BRC",
|
||
|
|
"BC",
|
||
|
|
"BCL",
|
||
|
|
"BEQ",
|
||
|
|
"BGE",
|
||
|
|
"BGT",
|
||
|
|
"BL",
|
||
|
|
"BLE",
|
||
|
|
"BLEU",
|
||
|
|
"BLT",
|
||
|
|
"BLTU",
|
||
|
|
"BNE",
|
||
|
|
"BR",
|
||
|
|
"BVC",
|
||
|
|
"BVS",
|
||
|
|
"BRCT",
|
||
|
|
"BRCTG",
|
||
|
|
"CMPBEQ",
|
||
|
|
"CMPBGE",
|
||
|
|
"CMPBGT",
|
||
|
|
"CMPBLE",
|
||
|
|
"CMPBLT",
|
||
|
|
"CMPBNE",
|
||
|
|
"CMPUBEQ",
|
||
|
|
"CMPUBGE",
|
||
|
|
"CMPUBGT",
|
||
|
|
"CMPUBLE",
|
||
|
|
"CMPUBLT",
|
||
|
|
"CMPUBNE",
|
||
|
|
"CRJ",
|
||
|
|
"CGRJ",
|
||
|
|
"CLRJ",
|
||
|
|
"CLGRJ",
|
||
|
|
"CIJ",
|
||
|
|
"CGIJ",
|
||
|
|
"CLIJ",
|
||
|
|
"CLGIJ",
|
||
|
|
"CALL",
|
||
|
|
"JMP":
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
func s390xRegisterNumber(name string, n int16) (int16, bool) {
|
||
|
|
switch name {
|
||
|
|
case "AR":
|
||
|
|
if 0 <= n && n <= 15 {
|
||
|
|
return s390x.REG_AR0 + n, true
|
||
|
|
}
|
||
|
|
case "F":
|
||
|
|
if 0 <= n && n <= 15 {
|
||
|
|
return s390x.REG_F0 + n, true
|
||
|
|
}
|
||
|
|
case "R":
|
||
|
|
if 0 <= n && n <= 15 {
|
||
|
|
return s390x.REG_R0 + n, true
|
||
|
|
}
|
||
|
|
case "V":
|
||
|
|
if 0 <= n && n <= 31 {
|
||
|
|
return s390x.REG_V0 + n, true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, false
|
||
|
|
}
|