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windows: detect couple more aarch64 CPU features

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This commit is contained in:
Jakub Konka 2022-11-25 20:09:21 +01:00
parent 29aafdcd55
commit e74b6f0a4b
2 changed files with 13 additions and 0 deletions
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4
lib/std/os/windows.zig
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@ -3838,7 +3838,11 @@ pub const PF = enum(DWORD) {
AVX512F_INSTRUCTIONS_AVAILABLE = 41,
ERMS_AVAILABLE = 42,
/// This ARM processor implements the ARM v8.2 Dot Product (DP) instructions.
ARM_V82_DP_INSTRUCTIONS_AVAILABLE = 43,
/// This ARM processor implements the ARM v8.3 JavaScript conversion (JSCVT) instructions.
ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE = 44,
};

9
lib/std/zig/system/windows.zig
View File

@ -61,6 +61,15 @@ fn detectNativeCpuAndFeaturesArm64() Target.Cpu {
if (IsProcessorFeaturePresent(PF.ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE)) {
cpu.features.addFeature(@enumToInt(Feature.crypto));
}
if (IsProcessorFeaturePresent(PF.ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE)) {
cpu.features.addFeature(@enumToInt(Feature.lse));
}
if (IsProcessorFeaturePresent(PF.ARM_V82_DP_INSTRUCTIONS_AVAILABLE)) {
cpu.features.addFeature(@enumToInt(Feature.dotprod));
}
if (IsProcessorFeaturePresent(PF.ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE)) {
cpu.features.addFeature(@enumToInt(Feature.jsconv));
}
return cpu;
}