lib/Support/Host.cpp

979 static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
1007   if ((ECX >> 0) & 1)
1009   if ((ECX >> 1) & 1)
1011   if ((ECX >> 9) & 1)
1013   if ((ECX >> 12) & 1)
1015   if ((ECX >> 19) & 1)
1017   if ((ECX >> 20) & 1)
1019   if ((ECX >> 23) & 1)
1021   if ((ECX >> 25) & 1)
1024   if ((ECX >> 22) & 1)
1031   bool HasAVX = ((ECX & AVXBits) == AVXBits) && !getX86XCR0(&EAX, &EDX) &&
1047       MaxLeaf >= 0x7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
1078   if (HasLeaf7 && ((ECX >> 1) & 1) && HasAVX512Save)
1080   if (HasLeaf7 && ((ECX >> 6) & 1) && HasAVX512Save)
1082   if (HasLeaf7 && ((ECX >> 8) & 1))
1084   if (HasLeaf7 && ((ECX >> 10) & 1) && HasAVX)
1086   if (HasLeaf7 && ((ECX >> 11) & 1) && HasAVX512Save)
1088   if (HasLeaf7 && ((ECX >> 12) & 1) && HasAVX512Save)
1090   if (HasLeaf7 && ((ECX >> 14) & 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);
1110   if (HasExtLeaf1 && ((ECX >> 6) & 1))
1112   if (HasExtLeaf1 && ((ECX >> 11) & 1))
1114   if (HasExtLeaf1 && ((ECX >> 16) & 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);
1362   Features["sse3"]   = (ECX >>  0) & 1;
1363   Features["pclmul"] = (ECX >>  1) & 1;
1364   Features["ssse3"]  = (ECX >>  9) & 1;
1365   Features["cx16"]   = (ECX >> 13) & 1;
1366   Features["sse4.1"] = (ECX >> 19) & 1;
1367   Features["sse4.2"] = (ECX >> 20) & 1;
1368   Features["movbe"]  = (ECX >> 22) & 1;
1369   Features["popcnt"] = (ECX >> 23) & 1;
1370   Features["aes"]    = (ECX >> 25) & 1;
1371   Features["rdrnd"]  = (ECX >> 30) & 1;
1376   bool HasAVXSave = ((ECX >> 27) & 1) && ((ECX >> 28) & 1) &&
1389   Features["fma"]   = ((ECX >> 12) & 1) && HasAVXSave;
1391   Features["xsave"] = ((ECX >> 26) & 1) && HasAVXSave;
1392   Features["f16c"]  = ((ECX >> 29) & 1) && HasAVXSave;
1395   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
1398                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
1399   Features["sahf"]   = HasExtLeaf1 && ((ECX >>  0) & 1);
1400   Features["lzcnt"]  = HasExtLeaf1 && ((ECX >>  5) & 1);
1401   Features["sse4a"]  = HasExtLeaf1 && ((ECX >>  6) & 1);
1402   Features["prfchw"] = HasExtLeaf1 && ((ECX >>  8) & 1);
1403   Features["xop"]    = HasExtLeaf1 && ((ECX >> 11) & 1) && HasAVXSave;
1404   Features["lwp"]    = HasExtLeaf1 && ((ECX >> 15) & 1);
1405   Features["fma4"]   = HasExtLeaf1 && ((ECX >> 16) & 1) && HasAVXSave;
1406   Features["tbm"]    = HasExtLeaf1 && ((ECX >> 21) & 1);
1407   Features["mwaitx"] = HasExtLeaf1 && ((ECX >> 29) & 1);
1414                      !getX86CpuIDAndInfo(0x80000008, &EAX, &EBX, &ECX, &EDX);
1419       MaxLevel >= 7 && !getX86CpuIDAndInfoEx(0x7, 0x0, &EAX, &EBX, &ECX, &EDX);
1444   Features["prefetchwt1"]     = HasLeaf7 && ((ECX >>  0) & 1);
1445   Features["avx512vbmi"]      = HasLeaf7 && ((ECX >>  1) & 1) && HasAVX512Save;
1446   Features["pku"]             = HasLeaf7 && ((ECX >>  4) & 1);
1447   Features["waitpkg"]         = HasLeaf7 && ((ECX >>  5) & 1);
1448   Features["avx512vbmi2"]     = HasLeaf7 && ((ECX >>  6) & 1) && HasAVX512Save;
1449   Features["shstk"]           = HasLeaf7 && ((ECX >>  7) & 1);
1450   Features["gfni"]            = HasLeaf7 && ((ECX >>  8) & 1);
1451   Features["vaes"]            = HasLeaf7 && ((ECX >>  9) & 1) && HasAVXSave;
1452   Features["vpclmulqdq"]      = HasLeaf7 && ((ECX >> 10) & 1) && HasAVXSave;
1453   Features["avx512vnni"]      = HasLeaf7 && ((ECX >> 11) & 1) && HasAVX512Save;
1454   Features["avx512bitalg"]    = HasLeaf7 && ((ECX >> 12) & 1) && HasAVX512Save;
1455   Features["avx512vpopcntdq"] = HasLeaf7 && ((ECX >> 14) & 1) && HasAVX512Save;
1456   Features["rdpid"]           = HasLeaf7 && ((ECX >> 22) & 1);
1457   Features["cldemote"]        = HasLeaf7 && ((ECX >> 25) & 1);
1458   Features["movdiri"]         = HasLeaf7 && ((ECX >> 27) & 1);
1459   Features["movdir64b"]       = HasLeaf7 && ((ECX >> 28) & 1);
1460   Features["enqcmd"]          = HasLeaf7 && ((ECX >> 29) & 1);
1464   // EAX=0x7, ECX=0x0 indicates the availability of the instruction (via the 18th
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);