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-rw-r--r--llvm/lib/Support/Host.cpp911
1 files changed, 650 insertions, 261 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index d4ab8c1efd4..09ce12a1976 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -73,6 +73,102 @@ static ssize_t LLVM_ATTRIBUTE_UNUSED readCpuInfo(void *Buf, size_t Size) {
defined(_M_IX86) || defined(__x86_64__) || defined(_M_AMD64) || \
defined(_M_X64)
+enum VendorSignatures {
+ SIG_INTEL = 0x756e6547 /* Genu */,
+ SIG_AMD = 0x68747541 /* Auth */
+};
+
+enum ProcessorVendors {
+ VENDOR_INTEL = 1,
+ VENDOR_AMD,
+ VENDOR_OTHER,
+ VENDOR_MAX
+};
+
+enum ProcessorTypes {
+ INTEL_ATOM = 1,
+ INTEL_CORE2,
+ INTEL_COREI7,
+ AMDFAM10H,
+ AMDFAM15H,
+ INTEL_i386,
+ INTEL_i486,
+ INTEL_PENTIUM,
+ INTEL_PENTIUM_PRO,
+ INTEL_PENTIUM_II,
+ INTEL_PENTIUM_III,
+ INTEL_PENTIUM_IV,
+ INTEL_PENTIUM_M,
+ INTEL_CORE_DUO,
+ INTEL_XEONPHI,
+ INTEL_X86_64,
+ INTEL_NOCONA,
+ INTEL_PRESCOTT,
+ AMD_i486,
+ AMDPENTIUM,
+ AMDATHLON,
+ AMDFAM14H,
+ AMDFAM16H,
+ CPU_TYPE_MAX
+};
+
+enum ProcessorSubtypes {
+ INTEL_COREI7_NEHALEM = 1,
+ INTEL_COREI7_WESTMERE,
+ INTEL_COREI7_SANDYBRIDGE,
+ AMDFAM10H_BARCELONA,
+ AMDFAM10H_SHANGHAI,
+ AMDFAM10H_ISTANBUL,
+ AMDFAM15H_BDVER1,
+ AMDFAM15H_BDVER2,
+ INTEL_PENTIUM_MMX,
+ INTEL_CORE2_65,
+ INTEL_CORE2_45,
+ INTEL_COREI7_IVYBRIDGE,
+ INTEL_COREI7_HASWELL,
+ INTEL_COREI7_BROADWELL,
+ INTEL_COREI7_SKYLAKE,
+ INTEL_COREI7_SKYLAKE_AVX512,
+ INTEL_ATOM_BONNELL,
+ INTEL_ATOM_SILVERMONT,
+ INTEL_KNIGHTS_LANDING,
+ AMDPENTIUM_K6,
+ AMDPENTIUM_K62,
+ AMDPENTIUM_K63,
+ AMDPENTIUM_GEODE,
+ AMDATHLON_TBIRD,
+ AMDATHLON_MP,
+ AMDATHLON_XP,
+ AMDATHLON_K8SSE3,
+ AMDATHLON_OPTERON,
+ AMDATHLON_FX,
+ AMDATHLON_64,
+ AMD_BTVER1,
+ AMD_BTVER2,
+ AMDFAM15H_BDVER3,
+ AMDFAM15H_BDVER4,
+ CPU_SUBTYPE_MAX
+};
+
+enum ProcessorFeatures {
+ FEATURE_CMOV = 0,
+ FEATURE_MMX,
+ FEATURE_POPCNT,
+ FEATURE_SSE,
+ FEATURE_SSE2,
+ FEATURE_SSE3,
+ FEATURE_SSSE3,
+ FEATURE_SSE4_1,
+ FEATURE_SSE4_2,
+ FEATURE_AVX,
+ FEATURE_AVX2,
+ FEATURE_AVX512,
+ FEATURE_AVX512SAVE,
+ FEATURE_MOVBE,
+ FEATURE_ADX,
+ FEATURE_EM64T
+};
+
/// getX86CpuIDAndInfo - Execute the specified cpuid and return the 4 values in
/// the specified arguments. If we can't run cpuid on the host, return true.
static bool getX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX,
@@ -199,30 +295,424 @@ static void detectX86FamilyModel(unsigned EAX, unsigned *Family,
}
}
-StringRef sys::getHostCPUName() {
- unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
- if (getX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX))
- return "generic";
- unsigned Family = 0;
- unsigned Model = 0;
- detectX86FamilyModel(EAX, &Family, &Model);
+static void
+getIntelProcessorTypeAndSubtype(unsigned int Family, unsigned int Model,
+ unsigned int Brand_id, unsigned int Features,
+ unsigned *Type, unsigned *Subtype) {
+ if (Brand_id != 0)
+ return;
+ switch (Family) {
+ case 3:
+ *Type = INTEL_i386;
+ break;
+ case 4:
+ switch (Model) {
+ case 0: // Intel486 DX processors
+ case 1: // Intel486 DX processors
+ case 2: // Intel486 SX processors
+ case 3: // Intel487 processors, IntelDX2 OverDrive processors,
+ // IntelDX2 processors
+ case 4: // Intel486 SL processor
+ case 5: // IntelSX2 processors
+ case 7: // Write-Back Enhanced IntelDX2 processors
+ case 8: // IntelDX4 OverDrive processors, IntelDX4 processors
+ default:
+ *Type = INTEL_i486;
+ break;
+ }
+ case 5:
+ switch (Model) {
+ case 1: // Pentium OverDrive processor for Pentium processor (60, 66),
+ // Pentium processors (60, 66)
+ case 2: // Pentium OverDrive processor for Pentium processor (75, 90,
+ // 100, 120, 133), Pentium processors (75, 90, 100, 120, 133,
+ // 150, 166, 200)
+ case 3: // Pentium OverDrive processors for Intel486 processor-based
+ // systems
+ *Type = INTEL_PENTIUM;
+ break;
+ case 4: // Pentium OverDrive processor with MMX technology for Pentium
+ // processor (75, 90, 100, 120, 133), Pentium processor with
+ // MMX technology (166, 200)
+ *Type = INTEL_PENTIUM;
+ *Subtype = INTEL_PENTIUM_MMX;
+ break;
+ default:
+ *Type = INTEL_PENTIUM;
+ break;
+ }
+ case 6:
+ switch (Model) {
+ case 0x01: // Pentium Pro processor
+ *Type = INTEL_PENTIUM_PRO;
+ break;
+ case 0x03: // Intel Pentium II OverDrive processor, Pentium II processor,
+ // model 03
+ case 0x05: // Pentium II processor, model 05, Pentium II Xeon processor,
+ // model 05, and Intel Celeron processor, model 05
+ case 0x06: // Celeron processor, model 06
+ *Type = INTEL_PENTIUM_II;
+ break;
+ case 0x07: // Pentium III processor, model 07, and Pentium III Xeon
+ // processor, model 07
+ case 0x08: // Pentium III processor, model 08, Pentium III Xeon processor,
+ // model 08, and Celeron processor, model 08
+ case 0x0a: // Pentium III Xeon processor, model 0Ah
+ case 0x0b: // Pentium III processor, model 0Bh
+ *Type = INTEL_PENTIUM_III;
+ break;
+ case 0x09: // Intel Pentium M processor, Intel Celeron M processor model 09.
+ case 0x0d: // Intel Pentium M processor, Intel Celeron M processor, model
+ // 0Dh. All processors are manufactured using the 90 nm process.
+ case 0x15: // Intel EP80579 Integrated Processor and Intel EP80579
+ // Integrated Processor with Intel QuickAssist Technology
+ *Type = INTEL_PENTIUM_M;
+ break;
+ case 0x0e: // Intel Core Duo processor, Intel Core Solo processor, model
+ // 0Eh. All processors are manufactured using the 65 nm process.
+ *Type = INTEL_CORE_DUO;
+ break; // yonah
+ case 0x0f: // Intel Core 2 Duo processor, Intel Core 2 Duo mobile
+ // processor, Intel Core 2 Quad processor, Intel Core 2 Quad
+ // mobile processor, Intel Core 2 Extreme processor, Intel
+ // Pentium Dual-Core processor, Intel Xeon processor, model
+ // 0Fh. All processors are manufactured using the 65 nm process.
+ case 0x16: // Intel Celeron processor model 16h. All processors are
+ // manufactured using the 65 nm process
+ *Type = INTEL_CORE2; // "core2"
+ *Subtype = INTEL_CORE2_65;
+ break;
+ case 0x17: // Intel Core 2 Extreme processor, Intel Xeon processor, model
+ // 17h. All processors are manufactured using the 45 nm process.
+ //
+ // 45nm: Penryn , Wolfdale, Yorkfield (XE)
+ case 0x1d: // Intel Xeon processor MP. All processors are manufactured using
+ // the 45 nm process.
+ *Type = INTEL_CORE2; // "penryn"
+ *Subtype = INTEL_CORE2_45;
+ break;
+ case 0x1a: // Intel Core i7 processor and Intel Xeon processor. All
+ // processors are manufactured using the 45 nm process.
+ case 0x1e: // Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz.
+ // As found in a Summer 2010 model iMac.
+ case 0x1f:
+ case 0x2e: // Nehalem EX
+ *Type = INTEL_COREI7; // "nehalem"
+ *Subtype = INTEL_COREI7_NEHALEM;
+ break;
+ case 0x25: // Intel Core i7, laptop version.
+ case 0x2c: // Intel Core i7 processor and Intel Xeon processor. All
+ // processors are manufactured using the 32 nm process.
+ case 0x2f: // Westmere EX
+ *Type = INTEL_COREI7; // "westmere"
+ *Subtype = INTEL_COREI7_WESTMERE;
+ break;
+ case 0x2a: // Intel Core i7 processor. All processors are manufactured
+ // using the 32 nm process.
+ case 0x2d:
+ *Type = INTEL_COREI7; //"sandybridge"
+ *Subtype = INTEL_COREI7_SANDYBRIDGE;
+ break;
+ case 0x3a:
+ case 0x3e: // Ivy Bridge EP
+ *Type = INTEL_COREI7; // "ivybridge"
+ *Subtype = INTEL_COREI7_IVYBRIDGE;
+ break;
- union {
- unsigned u[3];
- char c[12];
- } text;
+ // Haswell:
+ case 0x3c:
+ case 0x3f:
+ case 0x45:
+ case 0x46:
+ *Type = INTEL_COREI7; // "haswell"
+ *Subtype = INTEL_COREI7_HASWELL;
+ break;
+
+ // Broadwell:
+ case 0x3d:
+ case 0x47:
+ case 0x4f:
+ case 0x56:
+ *Type = INTEL_COREI7; // "broadwell"
+ *Subtype = INTEL_COREI7_BROADWELL;
+ break;
+
+ // Skylake:
+ case 0x4e:
+ *Type = INTEL_COREI7; // "skylake-avx512"
+ *Subtype = INTEL_COREI7_SKYLAKE_AVX512;
+ break;
+ case 0x5e:
+ *Type = INTEL_COREI7; // "skylake"
+ *Subtype = INTEL_COREI7_SKYLAKE;
+ break;
+
+ case 0x1c: // Most 45 nm Intel Atom processors
+ case 0x26: // 45 nm Atom Lincroft
+ case 0x27: // 32 nm Atom Medfield
+ case 0x35: // 32 nm Atom Midview
+ case 0x36: // 32 nm Atom Midview
+ *Type = INTEL_ATOM;
+ *Subtype = INTEL_ATOM_BONNELL;
+ break; // "bonnell"
+
+ // Atom Silvermont codes from the Intel software optimization guide.
+ case 0x37:
+ case 0x4a:
+ case 0x4d:
+ case 0x5a:
+ case 0x5d:
+ case 0x4c: // really airmont
+ *Type = INTEL_ATOM;
+ *Subtype = INTEL_ATOM_SILVERMONT;
+ break; // "silvermont"
+
+ case 0x57:
+ *Type = INTEL_XEONPHI; // knl
+ *Subtype = INTEL_KNIGHTS_LANDING;
+ break;
+
+ default: // Unknown family 6 CPU, try to guess.
+ if (Features & (1 << FEATURE_AVX512)) {
+ *Type = INTEL_XEONPHI; // knl
+ *Subtype = INTEL_KNIGHTS_LANDING;
+ break;
+ }
+ if (Features & (1 << FEATURE_ADX)) {
+ *Type = INTEL_COREI7;
+ *Subtype = INTEL_COREI7_BROADWELL;
+ break;
+ }
+ if (Features & (1 << FEATURE_AVX2)) {
+ *Type = INTEL_COREI7;
+ *Subtype = INTEL_COREI7_HASWELL;
+ break;
+ }
+ if (Features & (1 << FEATURE_AVX)) {
+ *Type = INTEL_COREI7;
+ *Subtype = INTEL_COREI7_SANDYBRIDGE;
+ break;
+ }
+ if (Features & (1 << FEATURE_SSE4_2)) {
+ if (Features & (1 << FEATURE_MOVBE)) {
+ *Type = INTEL_ATOM;
+ *Subtype = INTEL_ATOM_SILVERMONT;
+ } else {
+ *Type = INTEL_COREI7;
+ *Subtype = INTEL_COREI7_NEHALEM;
+ }
+ break;
+ }
+ if (Features & (1 << FEATURE_SSE4_1)) {
+ *Type = INTEL_CORE2; // "penryn"
+ *Subtype = INTEL_CORE2_45;
+ break;
+ }
+ if (Features & (1 << FEATURE_SSSE3)) {
+ if (Features & (1 << FEATURE_MOVBE)) {
+ *Type = INTEL_ATOM;
+ *Subtype = INTEL_ATOM_BONNELL; // "bonnell"
+ } else {
+ *Type = INTEL_CORE2; // "core2"
+ *Subtype = INTEL_CORE2_65;
+ }
+ break;
+ }
+ if (Features & (1 << FEATURE_EM64T)) {
+ *Type = INTEL_X86_64;
+ break; // x86-64
+ }
+ if (Features & (1 << FEATURE_SSE2)) {
+ *Type = INTEL_PENTIUM_M;
+ break;
+ }
+ if (Features & (1 << FEATURE_SSE)) {
+ *Type = INTEL_PENTIUM_III;
+ break;
+ }
+ if (Features & (1 << FEATURE_MMX)) {
+ *Type = INTEL_PENTIUM_II;
+ break;
+ }
+ *Type = INTEL_PENTIUM_PRO;
+ break;
+ }
+ case 15: {
+ switch (Model) {
+ case 0: // Pentium 4 processor, Intel Xeon processor. All processors are
+ // model 00h and manufactured using the 0.18 micron process.
+ case 1: // Pentium 4 processor, Intel Xeon processor, Intel Xeon
+ // processor MP, and Intel Celeron processor. All processors are
+ // model 01h and manufactured using the 0.18 micron process.
+ case 2: // Pentium 4 processor, Mobile Intel Pentium 4 processor - M,
+ // Intel Xeon processor, Intel Xeon processor MP, Intel Celeron
+ // processor, and Mobile Intel Celeron processor. All processors
+ // are model 02h and manufactured using the 0.13 micron process.
+ *Type =
+ ((Features & (1 << FEATURE_EM64T)) ? INTEL_X86_64 : INTEL_PENTIUM_IV);
+ break;
+
+ case 3: // Pentium 4 processor, Intel Xeon processor, Intel Celeron D
+ // processor. All processors are model 03h and manufactured using
+ // the 90 nm process.
+ case 4: // Pentium 4 processor, Pentium 4 processor Extreme Edition,
+ // Pentium D processor, Intel Xeon processor, Intel Xeon
+ // processor MP, Intel Celeron D processor. All processors are
+ // model 04h and manufactured using the 90 nm process.
+ case 6: // Pentium 4 processor, Pentium D processor, Pentium processor
+ // Extreme Edition, Intel Xeon processor, Intel Xeon processor
+ // MP, Intel Celeron D processor. All processors are model 06h
+ // and manufactured using the 65 nm process.
+ *Type =
+ ((Features & (1 << FEATURE_EM64T)) ? INTEL_NOCONA : INTEL_PRESCOTT);
+ break;
+
+ default:
+ *Type =
+ ((Features & (1 << FEATURE_EM64T)) ? INTEL_X86_64 : INTEL_PENTIUM_IV);
+ break;
+ }
+ }
+ default:
+ break; /*"generic"*/
+ }
+}
+
+static void getAMDProcessorTypeAndSubtype(unsigned int Family,
+ unsigned int Model,
+ unsigned int Features,
+ unsigned *Type,
+ unsigned *Subtype) {
+ // FIXME: this poorly matches the generated SubtargetFeatureKV table. There
+ // appears to be no way to generate the wide variety of AMD-specific targets
+ // from the information returned from CPUID.
+ switch (Family) {
+ case 4:
+ *Type = AMD_i486;
+ case 5:
+ *Type = AMDPENTIUM;
+ switch (Model) {
+ case 6:
+ case 7:
+ *Subtype = AMDPENTIUM_K6;
+ break; // "k6"
+ case 8:
+ *Subtype = AMDPENTIUM_K62;
+ break; // "k6-2"
+ case 9:
+ case 13:
+ *Subtype = AMDPENTIUM_K63;
+ break; // "k6-3"
+ case 10:
+ *Subtype = AMDPENTIUM_GEODE;
+ break; // "geode"
+ default:
+ break;
+ }
+ case 6:
+ *Type = AMDATHLON;
+ switch (Model) {
+ case 4:
+ *Subtype = AMDATHLON_TBIRD;
+ break; // "athlon-tbird"
+ case 6:
+ case 7:
+ case 8:
+ *Subtype = AMDATHLON_MP;
+ break; // "athlon-mp"
+ case 10:
+ *Subtype = AMDATHLON_XP;
+ break; // "athlon-xp"
+ default:
+ break;
+ }
+ case 15:
+ *Type = AMDATHLON;
+ if (Features & (1 << FEATURE_SSE3)) {
+ *Subtype = AMDATHLON_K8SSE3;
+ break; // "k8-sse3"
+ }
+ switch (Model) {
+ case 1:
+ *Subtype = AMDATHLON_OPTERON;
+ break; // "opteron"
+ case 5:
+ *Subtype = AMDATHLON_FX;
+ break; // "athlon-fx"; also opteron
+ default:
+ *Subtype = AMDATHLON_64;
+ break; // "athlon64"
+ }
+ case 16:
+ *Type = AMDFAM10H; // "amdfam10"
+ switch (Model) {
+ case 2:
+ *Subtype = AMDFAM10H_BARCELONA;
+ break;
+ case 4:
+ *Subtype = AMDFAM10H_SHANGHAI;
+ break;
+ case 8:
+ *Subtype = AMDFAM10H_ISTANBUL;
+ break;
+ default:
+ break;
+ }
+ case 20:
+ *Type = AMDFAM14H;
+ *Subtype = AMD_BTVER1;
+ break; // "btver1";
+ case 21:
+ *Type = AMDFAM15H;
+ if (!(Features &
+ (1 << FEATURE_AVX))) { // If no AVX support, provide a sane fallback.
+ *Subtype = AMD_BTVER1;
+ break; // "btver1"
+ }
+ if (Model >= 0x50 && Model <= 0x6f) {
+ *Subtype = AMDFAM15H_BDVER4;
+ break; // "bdver4"; 50h-6Fh: Excavator
+ }
+ if (Model >= 0x30 && Model <= 0x3f) {
+ *Subtype = AMDFAM15H_BDVER3;
+ break; // "bdver3"; 30h-3Fh: Steamroller
+ }
+ if (Model >= 0x10 && Model <= 0x1f) {
+ *Subtype = AMDFAM15H_BDVER2;
+ break; // "bdver2"; 10h-1Fh: Piledriver
+ }
+ if (Model <= 0x0f) {
+ *Subtype = AMDFAM15H_BDVER1;
+ break; // "bdver1"; 00h-0Fh: Bulldozer
+ }
+ break;
+ case 22:
+ *Type = AMDFAM16H;
+ if (!(Features &
+ (1 << FEATURE_AVX))) { // If no AVX support provide a sane fallback.
+ *Subtype = AMD_BTVER1;
+ break; // "btver1";
+ }
+ *Subtype = AMD_BTVER2;
+ break; // "btver2"
+ default:
+ break; // "generic"
+ }
+}
+
+unsigned getAvailableFeatures(unsigned int ECX, unsigned int EDX,
+ unsigned MaxLeaf) {
+ unsigned Features = 0;
+ unsigned int EAX, EBX;
+ Features |= (((EDX >> 23) & 1) << FEATURE_MMX);
+ Features |= (((EDX >> 25) & 1) << FEATURE_SSE);
+ Features |= (((EDX >> 26) & 1) << FEATURE_SSE2);
+ Features |= (((ECX >> 0) & 1) << FEATURE_SSE3);
+ Features |= (((ECX >> 9) & 1) << FEATURE_SSSE3);
+ Features |= (((ECX >> 19) & 1) << FEATURE_SSE4_1);
+ Features |= (((ECX >> 20) & 1) << FEATURE_SSE4_2);
+ Features |= (((ECX >> 22) & 1) << FEATURE_MOVBE);
- unsigned MaxLeaf;
- getX86CpuIDAndInfo(0, &MaxLeaf, text.u + 0, text.u + 2, text.u + 1);
-
- bool HasMMX = (EDX >> 23) & 1;
- bool HasSSE = (EDX >> 25) & 1;
- bool HasSSE2 = (EDX >> 26) & 1;
- bool HasSSE3 = (ECX >> 0) & 1;
- bool HasSSSE3 = (ECX >> 9) & 1;
- bool HasSSE41 = (ECX >> 19) & 1;
- bool HasSSE42 = (ECX >> 20) & 1;
- bool HasMOVBE = (ECX >> 22) & 1;
// If CPUID indicates support for XSAVE, XRESTORE and AVX, and XGETBV
// indicates that the AVX registers will be saved and restored on context
// switch, then we have full AVX support.
@@ -235,291 +725,190 @@ StringRef sys::getHostCPUName() {
bool HasADX = HasLeaf7 && ((EBX >> 19) & 1);
bool HasAVX2 = HasAVX && HasLeaf7 && (EBX & 0x20);
bool HasAVX512 = HasLeaf7 && HasAVX512Save && ((EBX >> 16) & 1);
+ Features |= (HasAVX << FEATURE_AVX);
+ Features |= (HasAVX2 << FEATURE_AVX2);
+ Features |= (HasAVX512 << FEATURE_AVX512);
+ Features |= (HasAVX512Save << FEATURE_AVX512SAVE);
+ Features |= (HasADX << FEATURE_ADX);
getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
- bool Em64T = (EDX >> 29) & 0x1;
- bool HasTBM = (ECX >> 21) & 0x1;
+ Features |= (((EDX >> 29) & 0x1) << FEATURE_EM64T);
+ return Features;
+}
- if (memcmp(text.c, "GenuineIntel", 12) == 0) {
- switch (Family) {
- case 3:
- return "i386";
- case 4:
- switch (Model) {
- case 0: // Intel486 DX processors
- case 1: // Intel486 DX processors
- case 2: // Intel486 SX processors
- case 3: // Intel487 processors, IntelDX2 OverDrive processors,
- // IntelDX2 processors
- case 4: // Intel486 SL processor
- case 5: // IntelSX2 processors
- case 7: // Write-Back Enhanced IntelDX2 processors
- case 8: // IntelDX4 OverDrive processors, IntelDX4 processors
- default:
- return "i486";
- }
- case 5:
- switch (Model) {
- case 1: // Pentium OverDrive processor for Pentium processor (60, 66),
- // Pentium processors (60, 66)
- case 2: // Pentium OverDrive processor for Pentium processor (75, 90,
- // 100, 120, 133), Pentium processors (75, 90, 100, 120, 133,
- // 150, 166, 200)
- case 3: // Pentium OverDrive processors for Intel486 processor-based
- // systems
- return "pentium";
+StringRef sys::getHostCPUName() {
+ unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
+ unsigned MaxLeaf, Vendor;
- case 4: // Pentium OverDrive processor with MMX technology for Pentium
- // processor (75, 90, 100, 120, 133), Pentium processor with
- // MMX technology (166, 200)
- return "pentium-mmx";
+ if (getX86CpuIDAndInfo(0, &MaxLeaf, &Vendor, &ECX, &EDX))
+ return "generic";
+ if (getX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX))
+ return "generic";
- default:
- return "pentium";
- }
- case 6:
- switch (Model) {
- case 0x01: // Pentium Pro processor
- return "pentiumpro";
-
- case 0x03: // Intel Pentium II OverDrive processor, Pentium II processor,
- // model 03
- case 0x05: // Pentium II processor, model 05, Pentium II Xeon processor,
- // model 05, and Intel Celeron processor, model 05
- case 0x06: // Celeron processor, model 06
- return "pentium2";
-
- case 0x07: // Pentium III processor, model 07, and Pentium III Xeon
- // processor, model 07
- case 0x08: // Pentium III processor, model 08, Pentium III Xeon processor,
- // model 08, and Celeron processor, model 08
- case 0x0a: // Pentium III Xeon processor, model 0Ah
- case 0x0b: // Pentium III processor, model 0Bh
- return "pentium3";
-
- case 0x09: // Intel Pentium M processor, Intel Celeron M processor model
- // 09.
- case 0x0d: // Intel Pentium M processor, Intel Celeron M processor, model
- // 0Dh. All processors are manufactured using the 90 nm
- // process.
- case 0x15: // Intel EP80579 Integrated Processor and Intel EP80579
- // Integrated Processor with Intel QuickAssist Technology
- return "pentium-m";
-
- case 0x0e: // Intel Core Duo processor, Intel Core Solo processor, model
- // 0Eh. All processors are manufactured using the 65 nm
- // process.
- return "yonah";
-
- case 0x0f: // Intel Core 2 Duo processor, Intel Core 2 Duo mobile
- // processor, Intel Core 2 Quad processor, Intel Core 2 Quad
- // mobile processor, Intel Core 2 Extreme processor, Intel
- // Pentium Dual-Core processor, Intel Xeon processor, model
- // 0Fh. All processors are manufactured using the 65 nm
- // process.
- case 0x16: // Intel Celeron processor model 16h. All processors are
- // manufactured using the 65 nm process
- return "core2";
+ unsigned Brand_id = EBX & 0xff;
+ unsigned Family = 0, Model = 0;
+ unsigned Features = 0;
+ detectX86FamilyModel(EAX, &Family, &Model);
+ Features = getAvailableFeatures(ECX, EDX, MaxLeaf);
- case 0x17: // Intel Core 2 Extreme processor, Intel Xeon processor, model
- // 17h. All processors are manufactured using the 45 nm
- // process.
- //
- // 45nm: Penryn , Wolfdale, Yorkfield (XE)
- case 0x1d: // Intel Xeon processor MP. All processors are manufactured
- // using
- // the 45 nm process.
- return "penryn";
+ unsigned Type;
+ unsigned Subtype;
- case 0x1a: // Intel Core i7 processor and Intel Xeon processor. All
- // processors are manufactured using the 45 nm process.
- case 0x1e: // Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz.
- // As found in a Summer 2010 model iMac.
- case 0x2e: // Nehalem EX
+ if (Vendor == SIG_INTEL) {
+ getIntelProcessorTypeAndSubtype(Family, Model, Brand_id, Features, &Type,
+ &Subtype);
+ switch (Type) {
+ case INTEL_i386:
+ return "i386";
+ case INTEL_i486:
+ return "i486";
+ case INTEL_PENTIUM:
+ if (Subtype == INTEL_PENTIUM_MMX)
+ return "pentium-mmx";
+ return "pentium";
+ case INTEL_PENTIUM_PRO:
+ return "pentiumpro";
+ case INTEL_PENTIUM_II:
+ return "pentium2";
+ case INTEL_PENTIUM_III:
+ return "pentium3";
+ case INTEL_PENTIUM_IV:
+ return "pentium4";
+ case INTEL_PENTIUM_M:
+ return "pentium-m";
+ case INTEL_CORE_DUO:
+ return "yonah";
+ case INTEL_CORE2:
+ switch (Subtype) {
+ case INTEL_CORE2_65:
+ return "core2";
+ case INTEL_CORE2_45:
+ return "penryn";
+ default:
+ return "core2";
+ }
+ case INTEL_COREI7:
+ switch (Subtype) {
+ case INTEL_COREI7_NEHALEM:
return "nehalem";
- case 0x25: // Intel Core i7, laptop version.
- case 0x2c: // Intel Core i7 processor and Intel Xeon processor. All
- // processors are manufactured using the 32 nm process.
- case 0x2f: // Westmere EX
+ case INTEL_COREI7_WESTMERE:
return "westmere";
-
- case 0x2a: // Intel Core i7 processor. All processors are manufactured
- // using the 32 nm process.
- case 0x2d:
+ case INTEL_COREI7_SANDYBRIDGE:
return "sandybridge";
-
- case 0x3a:
- case 0x3e: // Ivy Bridge EP
+ case INTEL_COREI7_IVYBRIDGE:
return "ivybridge";
-
- // Haswell:
- case 0x3c:
- case 0x3f:
- case 0x45:
- case 0x46:
+ case INTEL_COREI7_HASWELL:
return "haswell";
-
- // Broadwell:
- case 0x3d:
- case 0x47:
- case 0x4f:
- case 0x56:
+ case INTEL_COREI7_BROADWELL:
return "broadwell";
-
- // Skylake:
- case 0x4e:
- return "skylake-avx512";
- case 0x5e:
+ case INTEL_COREI7_SKYLAKE:
return "skylake";
-
- case 0x1c: // Most 45 nm Intel Atom processors
- case 0x26: // 45 nm Atom Lincroft
- case 0x27: // 32 nm Atom Medfield
- case 0x35: // 32 nm Atom Midview
- case 0x36: // 32 nm Atom Midview
+ case INTEL_COREI7_SKYLAKE_AVX512:
+ return "skylake-avx512";
+ default:
+ return "corei7";
+ }
+ case INTEL_ATOM:
+ switch (Subtype) {
+ case INTEL_ATOM_BONNELL:
return "bonnell";
-
- // Atom Silvermont codes from the Intel software optimization guide.
- case 0x37:
- case 0x4a:
- case 0x4d:
- case 0x5a:
- case 0x5d:
- case 0x4c: // really airmont
+ case INTEL_ATOM_SILVERMONT:
return "silvermont";
-
- case 0x57:
- return "knl";
-
- default: // Unknown family 6 CPU, try to guess.
- if (HasAVX512)
- return "knl";
- if (HasADX)
- return "broadwell";
- if (HasAVX2)
- return "haswell";
- if (HasAVX)
- return "sandybridge";
- if (HasSSE42)
- return HasMOVBE ? "silvermont" : "nehalem";
- if (HasSSE41)
- return "penryn";
- if (HasSSSE3)
- return HasMOVBE ? "bonnell" : "core2";
- if (Em64T)
- return "x86-64";
- if (HasSSE2)
- return "pentium-m";
- if (HasSSE)
- return "pentium3";
- if (HasMMX)
- return "pentium2";
- return "pentiumpro";
- }
- case 15: {
- switch (Model) {
- case 0: // Pentium 4 processor, Intel Xeon processor. All processors are
- // model 00h and manufactured using the 0.18 micron process.
- case 1: // Pentium 4 processor, Intel Xeon processor, Intel Xeon
- // processor MP, and Intel Celeron processor. All processors are
- // model 01h and manufactured using the 0.18 micron process.
- case 2: // Pentium 4 processor, Mobile Intel Pentium 4 processor - M,
- // Intel Xeon processor, Intel Xeon processor MP, Intel Celeron
- // processor, and Mobile Intel Celeron processor. All processors
- // are model 02h and manufactured using the 0.13 micron process.
- return (Em64T) ? "x86-64" : "pentium4";
-
- case 3: // Pentium 4 processor, Intel Xeon processor, Intel Celeron D
- // processor. All processors are model 03h and manufactured using
- // the 90 nm process.
- case 4: // Pentium 4 processor, Pentium 4 processor Extreme Edition,
- // Pentium D processor, Intel Xeon processor, Intel Xeon
- // processor MP, Intel Celeron D processor. All processors are
- // model 04h and manufactured using the 90 nm process.
- case 6: // Pentium 4 processor, Pentium D processor, Pentium processor
- // Extreme Edition, Intel Xeon processor, Intel Xeon processor
- // MP, Intel Celeron D processor. All processors are model 06h
- // and manufactured using the 65 nm process.
- return (Em64T) ? "nocona" : "prescott";
-
default:
- return (Em64T) ? "x86-64" : "pentium4";
+ return "atom";
}
- }
-
+ case INTEL_XEONPHI:
+ return "knl"; /*update for more variants added*/
+ case INTEL_X86_64:
+ return "x86-64";
+ case INTEL_NOCONA:
+ return "nocona";
+ case INTEL_PRESCOTT:
+ return "prescott";
default:
return "generic";
}
- } else if (memcmp(text.c, "AuthenticAMD", 12) == 0) {
- // FIXME: this poorly matches the generated SubtargetFeatureKV table. There
- // appears to be no way to generate the wide variety of AMD-specific targets
- // from the information returned from CPUID.
- switch (Family) {
- case 4:
+ } else if (Vendor == SIG_AMD) {
+ getAMDProcessorTypeAndSubtype(Family, Model, Features, &Type, &Subtype);
+ switch (Type) {
+ case AMD_i486:
return "i486";
- case 5:
- switch (Model) {
- case 6:
- case 7:
+ case AMDPENTIUM:
+ switch (Subtype) {
+ case AMDPENTIUM_K6:
return "k6";
- case 8:
+ case AMDPENTIUM_K62:
return "k6-2";
- case 9:
- case 13:
+ case AMDPENTIUM_K63:
return "k6-3";
- case 10:
+ case AMDPENTIUM_GEODE:
return "geode";
default:
return "pentium";
}
- case 6:
- switch (Model) {
- case 4:
+ case AMDATHLON:
+ switch (Subtype) {
+ case AMDATHLON_TBIRD:
return "athlon-tbird";
- case 6:
- case 7:
- case 8:
+ case AMDATHLON_MP:
return "athlon-mp";
- case 10:
+ case AMDATHLON_XP:
return "athlon-xp";
+ case AMDATHLON_K8SSE3:
+ return "k8-sse3";
+ case AMDATHLON_OPTERON:
+ return "opteron";
+ case AMDATHLON_FX:
+ return "athlon-fx";
+ case AMDATHLON_64:
+ return "athlon64";
default:
return "athlon";
}
- case 15:
- if (HasSSE3)
- return "k8-sse3";
- switch (Model) {
- case 1:
- return "opteron";
- case 5:
- return "athlon-fx"; // also opteron
+ case AMDFAM10H:
+ switch (Subtype) {
+ case AMDFAM10H_BARCELONA:
+ return "amdfam10-barcelona";
+ case AMDFAM10H_SHANGHAI:
+ return "amdfam10-shanghai";
+ case AMDFAM10H_ISTANBUL:
+ return "amdfam10-istanbul";
default:
- return "athlon64";
+ return "amdfam10";
}
- case 16:
- return "amdfam10";
- case 20:
+ case AMDFAM14H:
return "btver1";
- case 21:
- if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
+ case AMDFAM15H:
+ switch (Subtype) {
+ case AMDFAM15H_BDVER1:
+ return "bdver1";
+ case AMDFAM15H_BDVER2:
+ return "bdver2";
+ case AMDFAM15H_BDVER3:
+ return "bdver3";
+ case AMDFAM15H_BDVER4:
+ return "bdver4";
+ case AMD_BTVER1:
return "btver1";
- if (Model >= 0x50)
- return "bdver4"; // 50h-6Fh: Excavator
- if (Model >= 0x30)
- return "bdver3"; // 30h-3Fh: Steamroller
- if (Model >= 0x10 || HasTBM)
- return "bdver2"; // 10h-1Fh: Piledriver
- return "bdver1"; // 00h-0Fh: Bulldozer
- case 22:
- if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
+ default:
+ return "amdfam15";
+ }
+ case AMDFAM16H:
+ switch (Subtype) {
+ case AMD_BTVER1:
return "btver1";
- return "btver2";
+ case AMD_BTVER2:
+ return "btver2";
+ default:
+ return "amdfam16";
+ }
default:
return "generic";
}
}
return "generic";
}
+
#elif defined(__APPLE__) && (defined(__ppc__) || defined(__powerpc__))
StringRef sys::getHostCPUName() {
host_basic_info_data_t hostInfo;
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