lib/builtins/cpu_model.c

488 static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
512   if ((ECX >> 0) & 1)
514   if ((ECX >> 1) & 1)
516   if ((ECX >> 9) & 1)
518   if ((ECX >> 12) & 1)
520   if ((ECX >> 19) & 1)
522   if ((ECX >> 20) & 1)
524   if ((ECX >> 23) & 1)
526   if ((ECX >> 25) & 1)
533   bool HasAVX = ((ECX & AVXBits) == AVXBits) && !getX86XCR0(&EAX, &EDX) &&
549       MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
574   if (HasLeaf7 && ((ECX >> 1) & 1) && HasAVX512Save)
576   if (HasLeaf7 && ((ECX >> 6) & 1) && HasAVX512Save)
578   if (HasLeaf7 && ((ECX >> 8) & 1))
580   if (HasLeaf7 && ((ECX >> 10) & 1) && HasAVX)
582   if (HasLeaf7 && ((ECX >> 11) & 1) && HasAVX512Save)
584   if (HasLeaf7 && ((ECX >> 12) & 1) && HasAVX512Save)
586   if (HasLeaf7 && ((ECX >> 14) & 1) && HasAVX512Save)
595       MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x1, &EAX, &EBX, &ECX, &EDX);
600   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
603                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
604   if (HasExtLeaf1 && ((ECX >> 6) & 1))
606   if (HasExtLeaf1 && ((ECX >> 11) & 1))
608   if (HasExtLeaf1 && ((ECX >> 16) & 1))
653   unsigned EAX, EBX, ECX, EDX;
668   if (getX86CpuIDAndInfo(0, &MaxLeaf, &Vendor, &ECX, &EDX) || MaxLeaf < 1) {
672   getX86CpuIDAndInfo(1, &EAX, &EBX, &ECX, &EDX);
677   getAvailableFeatures(ECX, EDX, MaxLeaf, &Features, &Features2);