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This commit is contained in:
Roman Glinskikh 2024-01-09 11:03:45 +03:00
parent 96033cb0e4
commit b4869a57ba
1 changed files with 6 additions and 6 deletions
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12
src/Common/CpuId.h
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@ -184,14 +184,14 @@ bool haveOSXSAVE() noexcept
return (CpuInfo(0x1).registers.ecx >> 27) & 1u; return (CpuInfo(0x1).registers.ecx >> 27) & 1u;
} }
inline bool haveSIMDExtention(UInt32 code) noexcept inline bool haveSIMDExtension(UInt32 code) noexcept
{ {
#if defined(__x86_64__) || defined(__i386__) #if defined(__x86_64__) || defined(__i386__)
// http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-optimization-manual.pdf // http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-optimization-manual.pdf
// https://bugs.chromium.org/p/chromium/issues/detail?id=375968 // https://bugs.chromium.org/p/chromium/issues/detail?id=375968
return haveOSXSAVE() // implies haveXSAVE() return haveOSXSAVE() // implies haveXSAVE()
&& (our_xgetbv(0) & 6u) == 6u // XMM state and YMM state are enabled by OS && (our_xgetbv(0) & 6u) == 6u // XMM state and YMM state are enabled by OS
&& ((CpuInfo(0x1).registers.ecx >> code) & 1u); // Extention bit && ((CpuInfo(0x1).registers.ecx >> code) & 1u); // Extension bit
#else #else
return false; return false;
#endif #endif
@ -199,7 +199,7 @@ inline bool haveSIMDExtention(UInt32 code) noexcept
bool haveAVX() noexcept bool haveAVX() noexcept
{ {
return haveSIMDExtention(28); // AVX bit return haveSIMDExtension(28); // AVX bit
} }
bool haveFMA() noexcept bool haveFMA() noexcept
@ -323,17 +323,17 @@ bool haveRDRAND() noexcept
bool haveAMXBF16() noexcept bool haveAMXBF16() noexcept
{ {
return haveSIMDExtention(22); // AMX-BF16 bit return haveSIMDExtension(22); // AMX-BF16 bit
} }
bool haveAMXTILE() noexcept bool haveAMXTILE() noexcept
{ {
return haveSIMDExtention(24); // AMX-TILE bit return haveSIMDExtension(24); // AMX-TILE bit
} }
bool haveAMXINT8() noexcept bool haveAMXINT8() noexcept
{ {
return haveSIMDExtention(25); // AMX-INT8 bit return haveSIMDExtension(25); // AMX-INT8 bit
} }
struct CpuFlagsCache struct CpuFlagsCache