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show FMA3 and F16C flags when XMVerifyCPUSupport fails #1180

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Merged
turanszkij merged 1 commit into from
Jul 21, 2025
Merged

show FMA3 and F16C flags when XMVerifyCPUSupport fails #1180

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8 changes: 8 additions & 0 deletions WickedEngine/Utility/cpuinfo.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,8 @@ class CPUInfo {
inline bool haveSSE3() const { return mIsSSE3; }
inline bool haveSSE41() const { return mIsSSE41; }
inline bool haveSSE42() const { return mIsSSE42; }
inline bool haveF16C() const { return mIsF16C; }
inline bool haveFMA3() const { return mIsFMA3; }
inline bool haveAVX() const { return mIsAVX; }
inline bool haveAVX2() const { return mIsAVX2; }
inline bool haveAVX512F() const { return mIsAVX512F; }
Expand All @@ -57,7 +59,9 @@ class CPUInfo {
static constexpr uint32_t SSE42_POS = 0x00100000;
static constexpr uint32_t AVX_POS = 0x10000000;
static constexpr uint32_t AVX2_POS = 0x00000020;
static constexpr uint32_t FMA3_POS = 1u << 12;
static constexpr uint32_t AVX512F_POS = 1u << 15; // Bit 16
static constexpr uint32_t F16C_POS = 1u << 29;
static constexpr uint32_t LVL_NUM = 0x000000FF;
static constexpr uint32_t LVL_TYPE = 0x0000FF00;
static constexpr uint32_t LVL_CORES = 0x0000FFFF;
Expand All @@ -77,6 +81,8 @@ class CPUInfo {
bool mIsAVX = false;
bool mIsAVX2 = false;
bool mIsAVX512F = false;
bool mIsF16C = false;
bool mIsFMA3 = false;
};

CPUInfo::CPUInfo()
Expand All @@ -97,6 +103,8 @@ CPUInfo::CPUInfo()
mIsSSE41 = cpuID1.ECX() & SSE41_POS;
mIsSSE42 = cpuID1.ECX() & SSE41_POS;
mIsAVX = cpuID1.ECX() & AVX_POS;
mIsF16C = cpuID1.ECX() & F16C_POS;
mIsFMA3 = cpuID1.ECX() & FMA3_POS;
// Get AVX2 instructions availability
CPUID cpuID7(7, 0);
mIsAVX2 = cpuID7.EBX() & AVX2_POS;
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14 changes: 14 additions & 0 deletions WickedEngine/wiInitializer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,14 @@ namespace wi::initializer
{
cpustring.push_back("AVX; ");
}
if (cpuinfo.haveFMA3())
{
cpustring.push_back("FMA3; ");
}
if (cpuinfo.haveF16C())
{
cpustring.push_back("F16C; ");
}
if (cpuinfo.haveAVX2())
{
cpustring.push_back("AVX 2; ");
Expand All @@ -98,6 +106,12 @@ namespace wi::initializer
#ifdef _XM_AVX_INTRINSICS_
cpustring.push_back("AVX; ");
#endif // _XM_AVX_INTRINSICS_
#ifdef _XM_FMA3_INTRINSICS_
cpustring.push_back("FMA3; ");
#endif // _XM_FMA3_INTRINSICS_
#ifdef _XM_F16C_INTRINSICS_
cpustring.push_back("F16C; ");
#endif // _XM_F16C_INTRINSICS_
#ifdef _XM_AVX2_INTRINSICS_
cpustring.push_back("AVX 2; ");
#endif // _XM_AVX2_INTRINSICS_
Expand Down