mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-23 12:16:38 +00:00
26 lines
1,016 B
Go
26 lines
1,016 B
Go
|
package platform
|
||
|
|
|
||
|
|
// CpuFeatureFlags exposes methods for querying CPU capabilities
|
||
|
|
type CpuFeatureFlags interface {
|
||
|
|
// Has returns true when the specified flag (represented as uint64) is supported
|
||
|
|
Has(cpuFeature CpuFeature) bool
|
||
|
|
// HasExtra returns true when the specified extraFlag (represented as uint64) is supported
|
||
|
|
HasExtra(cpuFeature CpuFeature) bool
|
||
|
|
}
|
||
|
|
|
||
|
|
type CpuFeature uint64
|
||
|
|
|
||
|
|
const (
|
||
|
|
// CpuFeatureAmd64SSE3 is the flag to query CpuFeatureFlags.Has for SSEv3 capabilities on amd64
|
||
|
|
CpuFeatureAmd64SSE3 CpuFeature = 1
|
||
|
|
// CpuFeatureAmd64SSE4_1 is the flag to query CpuFeatureFlags.Has for SSEv4.1 capabilities on amd64
|
||
|
|
CpuFeatureAmd64SSE4_1 CpuFeature = 1 << 19
|
||
|
|
// CpuFeatureAmd64SSE4_2 is the flag to query CpuFeatureFlags.Has for SSEv4.2 capabilities on amd64
|
||
|
|
CpuFeatureAmd64SSE4_2 CpuFeature = 1 << 20
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
// CpuExtraFeatureAmd64ABM is the flag to query CpuFeatureFlags.HasExtra for Advanced Bit Manipulation capabilities (e.g. LZCNT) on amd64
|
||
|
|
CpuExtraFeatureAmd64ABM CpuFeature = 1 << 5
|
||
|
|
)
|