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CPUDetect: add support for MOVBE detection

This commit is contained in:
Pierre Bourdon 2014-03-16 01:41:37 +01:00
parent 7563e8c6f3
commit d2de1ddabc
2 changed files with 3 additions and 0 deletions
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1
Source/Core/Common/CPUDetect.h
View File

@ -44,6 +44,7 @@ struct CPUInfo
bool bAES; bool bAES;
// FXSAVE/FXRSTOR // FXSAVE/FXRSTOR
bool bFXSR; bool bFXSR;
bool bMOVBE;
// This flag indicates that the hardware supports some mode // This flag indicates that the hardware supports some mode
// in which denormal inputs _and_ outputs are automatically set to (signed) zero. // in which denormal inputs _and_ outputs are automatically set to (signed) zero.
// TODO: ARM // TODO: ARM

2
Source/Core/Common/x64CPUDetect.cpp
View File

@ -159,6 +159,7 @@ void CPUInfo::Detect()
if ((cpu_id[2] >> 9) & 1) bSSSE3 = true; if ((cpu_id[2] >> 9) & 1) bSSSE3 = true;
if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true; if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true;
if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true; if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true;
if ((cpu_id[2] >> 22) & 1) bMOVBE = true;
if ((cpu_id[2] >> 25) & 1) bAES = true; if ((cpu_id[2] >> 25) & 1) bAES = true;
// To check DAZ support, we first need to check FXSAVE support. // To check DAZ support, we first need to check FXSAVE support.
@ -263,6 +264,7 @@ std::string CPUInfo::Summarize()
if (bAVX) sum += ", AVX"; if (bAVX) sum += ", AVX";
if (bFMA) sum += ", FMA"; if (bFMA) sum += ", FMA";
if (bAES) sum += ", AES"; if (bAES) sum += ", AES";
if (bMOVBE) sum += ", MOVBE";
if (bLongMode) sum += ", 64-bit support"; if (bLongMode) sum += ", 64-bit support";
return sum; return sum;
} }