lib/Support/Host.cpp

979 static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
998   if ((EDX >> 15) & 1)
1000   if ((EDX >> 23) & 1)
1002   if ((EDX >> 25) & 1)
1004   if ((EDX >> 26) & 1)
1031   bool HasAVX = ((ECX & AVXBits) == AVXBits) && !getX86XCR0(&EAX, &EDX) &&
1047       MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
1093   if (HasLeaf7 && ((EDX >> 2) & 1) && HasAVX512Save)
1095   if (HasLeaf7 && ((EDX >> 3) & 1) && HasAVX512Save)
1097   if (HasLeaf7 && ((EDX >> 8) & 1) && HasAVX512Save)
1101       MaxLeaf >= 7 && !getX86CpuIDAndInfoEx(0x7, 0x1, &EAX, &EBX, &ECX, &EDX);
1106   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
1109                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
1117   if (HasExtLeaf1 && ((EDX >> 29) & 1))
1126   unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
1137   if (getX86CpuIDAndInfo(0, &MaxLeaf, &Vendor, &ECX, &EDX) || MaxLeaf < 1)
1139   getX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX);
1145   getAvailableFeatures(ECX, EDX, MaxLeaf, &Features, &Features2, &Features3);
1342   unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
1353   getX86CpuIDAndInfo(1, &EAX, &EBX, &ECX, &EDX);
1355   Features["cx8"]    = (EDX >>  8) & 1;
1356   Features["cmov"]   = (EDX >> 15) & 1;
1357   Features["mmx"]    = (EDX >> 23) & 1;
1358   Features["fxsr"]   = (EDX >> 24) & 1;
1359   Features["sse"]    = (EDX >> 25) & 1;
1360   Features["sse2"]   = (EDX >> 26) & 1;
1377                     !getX86XCR0(&EAX, &EDX) && ((EAX & 0x6) == 0x6);
1395   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
1398                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
1409   Features["64bit"]  = HasExtLeaf1 && ((EDX >> 29) & 1);
1414                      !getX86CpuIDAndInfo(0x80000008, &EAX, &EBX, &ECX, &EDX);
1419       MaxLevel >= 7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
1465   // bit of EDX), while the EAX=0x1b leaf returns information on the
1472   Features["pconfig"] = HasLeaf7 && ((EDX >> 18) & 1);
1474       MaxLevel >= 7 && !getX86CpuIDAndInfoEx(0x7, 0x1, &EAX, &EBX, &ECX, &EDX);
1478                   !getX86CpuIDAndInfoEx(0xd, 0x1, &EAX, &EBX, &ECX, &EDX);
1486                   !getX86CpuIDAndInfoEx(0x14, 0x0, &EAX, &EBX, &ECX, &EDX);