diff options
Diffstat (limited to 'vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go')
| -rw-r--r-- | vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go b/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go index 25d7d3fdc..0dc6ec19c 100644 --- a/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go +++ b/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go @@ -6,6 +6,9 @@ type CpuFeatureFlags interface { Has(cpuFeature CpuFeature) bool // HasExtra returns true when the specified extraFlag (represented as uint64) is supported HasExtra(cpuFeature CpuFeature) bool + // Raw returns the raw bitset that represents CPU features used by wazero. This can be used for cache keying. + // For now, we only use four features, so uint64 is enough. + Raw() uint64 } type CpuFeature uint64 @@ -17,9 +20,11 @@ const ( 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 + // Note: when adding new features, ensure that the feature is included in CpuFeatureFlags.Raw. ) const ( // CpuExtraFeatureAmd64ABM is the flag to query CpuFeatureFlags.HasExtra for Advanced Bit Manipulation capabilities (e.g. LZCNT) on amd64 CpuExtraFeatureAmd64ABM CpuFeature = 1 << 5 + // Note: when adding new features, ensure that the feature is included in CpuFeatureFlags.Raw. ) |