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);
# else
memset(®s, 0, sizeof(regs));
# endif
return regs;
}
static OF_INLINE struct X86Regs
x86XCR(uint32_t ecx)
{
struct X86Regs regs = { 0 };
if (!(x86CPUID(1, 0).ecx & (1u << 27)))
return regs;
__asm__ (
"xgetbv"
: "=a" (regs.eax),
"=d" (regs.edx)
: "c" (ecx)
);
return regs;
}
#endif
@implementation OFSystemInfo
+ (void)initialize
{
long tmp;
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{
return (x86CPUID(0x80000000, 0).eax >= 0x80000001 &&
x86CPUID(0x80000001, 0).edx & (1u << 30));
}
+ (bool)supportsSSE
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).edx & (1u << 25));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).edx & (1u << 25)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsSSE2
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).edx & (1u << 26));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).edx & (1u << 26)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsSSE3
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 0));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 0)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsSSSE3
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 9));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 9)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsSSE41
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 19));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 19)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsSSE42
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 20));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 20)) &&
x86XCR(0).eax & (1u << 1));
}
+ (bool)supportsAVX
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 28));
return ((x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 28)) &&
x86XCR(0).eax & (1u << 2));
}
+ (bool)supportsAVX2
{
return (x86CPUID(0, 0).eax >= 7 && (x86CPUID(7, 0).ebx & (1u << 5)));
return ((x86CPUID(0, 0).eax >= 7 && (x86CPUID(7, 0).ebx & (1u << 5))) &&
x86XCR(0).eax & (1u << 2));
}
+ (bool)supportsAESNI
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 25));
}
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+ (bool)supportsF16C
{
return (x86CPUID(0, 0).eax >= 1 && x86CPUID(1, 0).ecx & (1u << 29));
}
+ (bool)supportsAVX512Foundation
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 16));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 16)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512ConflictDetectionInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 28));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 28)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512ExponentialAndReciprocalInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 27));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 27)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512PrefetchInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 26));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 26)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512VectorLengthExtensions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 31));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 31)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512DoublewordAndQuadwordInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 17));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 17)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512ByteAndWordInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 30));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 30)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512IntegerFusedMultiplyAdd
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 21));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ebx & (1u << 21)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512VectorByteManipulationInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 1));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 1)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512VectorPopulationCountInstruction
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 14));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 14)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512VectorNeuralNetworkInstructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 11));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 11)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512VectorByteManipulationInstructions2
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 6));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 6)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512BitAlgorithms
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 12));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).ecx & (1u << 12)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512Float16Instructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).edx & (1u << 23));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 0).edx & (1u << 23)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
+ (bool)supportsAVX512BFloat16Instructions
{
return (x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 1).eax & (1u << 5));
return ((x86CPUID(0, 0).eax >= 7 && x86CPUID(7, 1).eax & (1u << 5)) &&
x86XCR(0).eax & ((1u << 5) | (1u << 6) | (1u << 7)));
}
#endif
#if defined(OF_POWERPC) || defined(OF_POWERPC64)
+ (bool)supportsAltiVec
{
# if defined(OF_MACOS)
|