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Code Issues Releases Wiki Activity

Add support for detecting Intel CascadeLake CPUs (#271)

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Should close
https://github.com/google/cpu_features/issues/260
This commit is contained in:
William Tambellini
2022-09-19 01:00:01 -07:00
committed by GitHub
parent cee2648cf0
commit b69591add3
3 changed files with 36 additions and 1 deletions
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8
src/impl_x86__base_implementation.inl
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@ -514,10 +514,15 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
// https://en.wikipedia.org/wiki/Broadwell_(microarchitecture)
return INTEL_BDW;
case CPUID(0x06, 0x4E):
case CPUID(0x06, 0x55):
case CPUID(0x06, 0x5E):
// https://en.wikipedia.org/wiki/Skylake_(microarchitecture)
return INTEL_SKL;
case CPUID(0x06, 0x55):
if (info->stepping >= 6 && info->stepping <= 7) {
// https://en.wikipedia.org/wiki/Cascade_Lake_(microprocessor)
return INTEL_CCL;
}
return INTEL_SKL;
case CPUID(0x06, 0x66):
// https://en.wikipedia.org/wiki/Cannon_Lake_(microarchitecture)
return INTEL_CNL;
@ -1911,6 +1916,7 @@ CacheInfo GetX86CacheInfo(void) {
LINE(INTEL_HSW) \
LINE(INTEL_BDW) \
LINE(INTEL_SKL) \
LINE(INTEL_CCL) \
LINE(INTEL_ATOM_GMT) \
LINE(INTEL_ATOM_GMT_PLUS) \
LINE(INTEL_ATOM_TMT) \