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Fix list_cpu_features.exe does not detect SSE42 on Xeon X5650 (Windows) (#220)

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Mykola Hohsadze
2022-01-31 11:15:17 +02:00
committed by GitHub
parent 2f5a7bf80a
commit f1801f0ca1
6 changed files with 44 additions and 6 deletions
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4
src/impl_x86__base_implementation.inl
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@ -246,7 +246,7 @@ typedef struct {
// These two functions have to be implemented by the OS, that is the file
// including this file.
static void OverrideOsPreserves(OsPreserves* os_preserves);
static void DetectFeaturesFromOs(X86Features* features);
static void DetectFeaturesFromOs(X86Info* info, X86Features* features);
// Reference https://en.wikipedia.org/wiki/CPUID.
static void ParseCpuId(const Leaves* leaves, X86Info* info,
@ -371,7 +371,7 @@ static void ParseCpuId(const Leaves* leaves, X86Info* info,
} else {
// When XCR0 is not available (Atom based or older cpus) we need to defer to
// the OS via custom code.
DetectFeaturesFromOs(features);
DetectFeaturesFromOs(info, features);
// Now that we have queried the OS for SSE support, we report this back to
// os_preserves. This is needed in case of AMD CPU's to enable testing of
// sse4a (See ParseExtraAMDCpuId below).