[X86] Support -march=tigerlake

Support -march=tigerlake for x86.
Compare with Icelake Client, It include 4 more new features ,they are
avx512vp2intersect, movdiri, movdir64b, shstk.

Patch by Xiang Zhang (xiangzhangllvm)

Differential Revision: https://reviews.llvm.org/D65840

llvm-svn: 368543

clang/include/clang/Basic/X86Target.def

@@ -173,6 +173,10 @@ PROC(IcelakeClient, "icelake-client", PROC_64_BIT)
 /// Icelake server microarchitecture based processors.
 PROC(IcelakeServer, "icelake-server", PROC_64_BIT)
 
+/// \name Tigerlake Server
+/// Tigerlake Server microarchitecture based processors.
+PROC(Tigerlake, "tigerlake", PROC_64_BIT)
+
 /// \name Knights Landing
 /// Knights Landing processor.
 PROC_WITH_FEAT(KNL, "knl", PROC_64_BIT, FEATURE_AVX512F)
@@ -297,6 +301,7 @@ FEATURE(FEATURE_VPCLMULQDQ)
 FEATURE(FEATURE_AVX512VNNI)
 FEATURE(FEATURE_AVX512BITALG)
 FEATURE(FEATURE_AVX512BF16)
+FEATURE(FEATURE_AVX512VP2INTERSECT)
 
 
 // FIXME: When commented out features are supported in LLVM, enable them here.

clang/lib/Basic/Targets/X86.cpp

@@ -157,11 +157,20 @@ bool X86TargetInfo::initFeatureMap(
     // SkylakeServer cores inherits all SKL features, except SGX
     goto SkylakeCommon;
 
+  case CK_Tigerlake:
+    setFeatureEnabledImpl(Features, "avx512vp2intersect", true);
+    setFeatureEnabledImpl(Features, "movdiri", true);
+    setFeatureEnabledImpl(Features, "movdir64b", true);
+    setFeatureEnabledImpl(Features, "shstk", true);
+    // Tigerlake cores inherits IcelakeClient, except pconfig and wbnoinvd
+    goto IcelakeCommon;
+
   case CK_IcelakeServer:
     setFeatureEnabledImpl(Features, "pconfig", true);
     setFeatureEnabledImpl(Features, "wbnoinvd", true);
     LLVM_FALLTHROUGH;
   case CK_IcelakeClient:
+IcelakeCommon:
     setFeatureEnabledImpl(Features, "vaes", true);
     setFeatureEnabledImpl(Features, "gfni", true);
     setFeatureEnabledImpl(Features, "vpclmulqdq", true);
@@ -1000,6 +1009,7 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   case CK_Cannonlake:
   case CK_IcelakeClient:
   case CK_IcelakeServer:
+  case CK_Tigerlake:
     // FIXME: Historically, we defined this legacy name, it would be nice to
     // remove it at some point. We've never exposed fine-grained names for
     // recent primary x86 CPUs, and we should keep it that way.

clang/test/Driver/x86-march.c

@@ -76,6 +76,10 @@
 // RUN:   | FileCheck %s -check-prefix=icelake-server
 // icelake-server: "-target-cpu" "icelake-server"
 //
+// RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=tigerlake 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=tigerlake
+// tigerlake: "-target-cpu" "tigerlake"
+//
 // RUN: %clang -target x86_64-unknown-unknown -c -### %s -march=lakemont 2>&1 \
 // RUN:   | FileCheck %s -check-prefix=lakemont
 // lakemont: "-target-cpu" "lakemont"

clang/test/Misc/target-invalid-cpu-note.c

@@ -16,7 +16,7 @@
 // X86-SAME: nocona, core2, penryn, bonnell, atom, silvermont, slm, goldmont, goldmont-plus, tremont,
 // X86-SAME: nehalem, corei7, westmere, sandybridge, corei7-avx, ivybridge,
 // X86-SAME: core-avx-i, haswell, core-avx2, broadwell, skylake, skylake-avx512,
-// X86-SAME: skx, cascadelake, cooperlake, cannonlake, icelake-client, icelake-server, knl, knm, lakemont, k6, k6-2, k6-3,
+// X86-SAME: skx, cascadelake, cooperlake, cannonlake, icelake-client, icelake-server, tigerlake, knl, knm, lakemont, k6, k6-2, k6-3,
 // X86-SAME: athlon, athlon-tbird, athlon-xp, athlon-mp, athlon-4, k8, athlon64,
 // X86-SAME: athlon-fx, opteron, k8-sse3, athlon64-sse3, opteron-sse3, amdfam10,
 // X86-SAME: barcelona, btver1, btver2, bdver1, bdver2, bdver3, bdver4, znver1, znver2,
@@ -28,7 +28,7 @@
 // X86_64-SAME: atom, silvermont, slm, goldmont, goldmont-plus, tremont, nehalem, corei7, westmere,
 // X86_64-SAME: sandybridge, corei7-avx, ivybridge, core-avx-i, haswell,
 // X86_64-SAME: core-avx2, broadwell, skylake, skylake-avx512, skx, cascadelake, cooperlake, cannonlake,
-// X86_64-SAME: icelake-client, icelake-server, knl, knm, k8, athlon64, athlon-fx, opteron, k8-sse3,
+// X86_64-SAME: icelake-client, icelake-server, tigerlake, knl, knm, k8, athlon64, athlon-fx, opteron, k8-sse3,
 // X86_64-SAME: athlon64-sse3, opteron-sse3, amdfam10, barcelona, btver1,
 // X86_64-SAME: btver2, bdver1, bdver2, bdver3, bdver4, znver1, znver2, x86-64
 

clang/test/Preprocessor/predefined-arch-macros.c

@@ -1517,6 +1517,133 @@
 // CHECK_ICX_M64: #define __x86_64 1
 // CHECK_ICX_M64: #define __x86_64__ 1
 
+// RUN: %clang -march=tigerlake -m32 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_TGL_M32
+// CHECK_TGL_M32: #define __AES__ 1
+// CHECK_TGL_M32: #define __AVX2__ 1
+// CHECK_TGL_M32: #define __AVX512BITALG__ 1
+// CHECK_TGL_M32: #define __AVX512BW__ 1
+// CHECK_TGL_M32: #define __AVX512CD__ 1
+// CHECK_TGL_M32: #define __AVX512DQ__ 1
+// CHECK_TGL_M32: #define __AVX512F__ 1
+// CHECK_TGL_M32: #define __AVX512IFMA__ 1
+// CHECK_TGL_M32: #define __AVX512VBMI2__ 1
+// CHECK_TGL_M32: #define __AVX512VBMI__ 1
+// CHECK_TGL_M32: #define __AVX512VL__ 1
+// CHECK_TGL_M32: #define __AVX512VNNI__ 1
+// CHECK_TGL_M32: #define __AVX512VP2INTERSECT__ 1
+// CHECK_TGL_M32: #define __AVX512VPOPCNTDQ__ 1
+// CHECK_TGL_M32: #define __AVX__ 1
+// CHECK_TGL_M32: #define __BMI2__ 1
+// CHECK_TGL_M32: #define __BMI__ 1
+// CHECK_TGL_M32: #define __CLFLUSHOPT__ 1
+// CHECK_TGL_M32: #define __CLWB__ 1
+// CHECK_TGL_M32: #define __F16C__ 1
+// CHECK_TGL_M32: #define __FMA__ 1
+// CHECK_TGL_M32: #define __GFNI__ 1
+// CHECK_TGL_M32: #define __INVPCID__ 1
+// CHECK_TGL_M32: #define __LZCNT__ 1
+// CHECK_TGL_M32: #define __MMX__ 1
+// CHECK_TGL_M32: #define __MOVBE__ 1
+// CHECK_TGL_M32: #define __MOVDIR64B__ 1
+// CHECK_TGL_M32: #define __MOVDIRI__ 1
+// CHECK_TGL_M32: #define __MPX__ 1
+// CHECK_TGL_M32: #define __PCLMUL__ 1
+// CHECK_TGL_M32-NOT: #define __PCONFIG__ 1
+// CHECK_TGL_M32: #define __PKU__ 1
+// CHECK_TGL_M32: #define __POPCNT__ 1
+// CHECK_TGL_M32: #define __PRFCHW__ 1
+// CHECK_TGL_M32: #define __RDPID__ 1
+// CHECK_TGL_M32: #define __RDRND__ 1
+// CHECK_TGL_M32: #define __RDSEED__ 1
+// CHECK_TGL_M32: #define __SGX__ 1
+// CHECK_TGL_M32: #define __SHA__ 1
+// CHECK_TGL_M32: #define __SHSTK__ 1
+// CHECK_TGL_M32: #define __SSE2__ 1
+// CHECK_TGL_M32: #define __SSE3__ 1
+// CHECK_TGL_M32: #define __SSE4_1__ 1
+// CHECK_TGL_M32: #define __SSE4_2__ 1
+// CHECK_TGL_M32: #define __SSE__ 1
+// CHECK_TGL_M32: #define __SSSE3__ 1
+// CHECK_TGL_M32: #define __VAES__ 1
+// CHECK_TGL_M32: #define __VPCLMULQDQ__ 1
+// CHECK_TGL_M32-NOT: #define __WBNOINVD__ 1
+// CHECK_TGL_M32: #define __XSAVEC__ 1
+// CHECK_TGL_M32: #define __XSAVEOPT__ 1
+// CHECK_TGL_M32: #define __XSAVES__ 1
+// CHECK_TGL_M32: #define __XSAVE__ 1
+// CHECK_TGL_M32: #define __corei7 1
+// CHECK_TGL_M32: #define __corei7__ 1
+// CHECK_TGL_M32: #define __i386 1
+// CHECK_TGL_M32: #define __i386__ 1
+// CHECK_TGL_M32: #define __tune_corei7__ 1
+// CHECK_TGL_M32: #define i386 1
+
+// RUN: %clang -march=tigerlake -m64 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_TGL_M64
+// CHECK_TGL_M64: #define __AES__ 1
+// CHECK_TGL_M64: #define __AVX2__ 1
+// CHECK_TGL_M64: #define __AVX512BITALG__ 1
+// CHECK_TGL_M64: #define __AVX512BW__ 1
+// CHECK_TGL_M64: #define __AVX512CD__ 1
+// CHECK_TGL_M64: #define __AVX512DQ__ 1
+// CHECK_TGL_M64: #define __AVX512F__ 1
+// CHECK_TGL_M64: #define __AVX512IFMA__ 1
+// CHECK_TGL_M64: #define __AVX512VBMI2__ 1
+// CHECK_TGL_M64: #define __AVX512VBMI__ 1
+// CHECK_TGL_M64: #define __AVX512VL__ 1
+// CHECK_TGL_M64: #define __AVX512VNNI__ 1
+// CHECK_TGL_M64: #define __AVX512VP2INTERSECT__ 1
+// CHECK_TGL_M64: #define __AVX512VPOPCNTDQ__ 1
+// CHECK_TGL_M64: #define __AVX__ 1
+// CHECK_TGL_M64: #define __BMI2__ 1
+// CHECK_TGL_M64: #define __BMI__ 1
+// CHECK_TGL_M64: #define __CLFLUSHOPT__ 1
+// CHECK_TGL_M64: #define __CLWB__ 1
+// CHECK_TGL_M64: #define __F16C__ 1
+// CHECK_TGL_M64: #define __FMA__ 1
+// CHECK_TGL_M64: #define __GFNI__ 1
+// CHECK_TGL_M64: #define __INVPCID__ 1
+// CHECK_TGL_M64: #define __LZCNT__ 1
+// CHECK_TGL_M64: #define __MMX__ 1
+// CHECK_TGL_M64: #define __MOVBE__ 1
+// CHECK_TGL_M64: #define __MOVDIR64B__ 1
+// CHECK_TGL_M64: #define __MOVDIRI__ 1
+// CHECK_TGL_M64: #define __MPX__ 1
+// CHECK_TGL_M64: #define __PCLMUL__ 1
+// CHECK_TGL_M64-NOT: #define __PCONFIG__ 1
+// CHECK_TGL_M64: #define __PKU__ 1
+// CHECK_TGL_M64: #define __POPCNT__ 1
+// CHECK_TGL_M64: #define __PRFCHW__ 1
+// CHECK_TGL_M64: #define __RDPID__ 1
+// CHECK_TGL_M64: #define __RDRND__ 1
+// CHECK_TGL_M64: #define __RDSEED__ 1
+// CHECK_TGL_M64: #define __SGX__ 1
+// CHECK_TGL_M64: #define __SHA__ 1
+// CHECK_TGL_M64: #define __SHSTK__ 1
+// CHECK_TGL_M64: #define __SSE2__ 1
+// CHECK_TGL_M64: #define __SSE3__ 1
+// CHECK_TGL_M64: #define __SSE4_1__ 1
+// CHECK_TGL_M64: #define __SSE4_2__ 1
+// CHECK_TGL_M64: #define __SSE__ 1
+// CHECK_TGL_M64: #define __SSSE3__ 1
+// CHECK_TGL_M64: #define __VAES__ 1
+// CHECK_TGL_M64: #define __VPCLMULQDQ__ 1
+// CHECK_TGL_M64-NOT: #define __WBNOINVD__ 1
+// CHECK_TGL_M64: #define __XSAVEC__ 1
+// CHECK_TGL_M64: #define __XSAVEOPT__ 1
+// CHECK_TGL_M64: #define __XSAVES__ 1
+// CHECK_TGL_M64: #define __XSAVE__ 1
+// CHECK_TGL_M64: #define __amd64 1
+// CHECK_TGL_M64: #define __amd64__ 1
+// CHECK_TGL_M64: #define __corei7 1
+// CHECK_TGL_M64: #define __corei7__ 1
+// CHECK_TGL_M64: #define __tune_corei7__ 1
+// CHECK_TGL_M64: #define __x86_64 1
+// CHECK_TGL_M64: #define __x86_64__ 1
+
 // RUN: %clang -march=atom -m32 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_ATOM_M32

llvm/include/llvm/Support/X86TargetParser.def

@@ -112,6 +112,7 @@ X86_CPU_SUBTYPE       ("k6-2",           AMDPENTIUM_K62)
 X86_CPU_SUBTYPE       ("k6-3",           AMDPENTIUM_K63)
 X86_CPU_SUBTYPE       ("geode",          AMDPENTIUM_GEODE)
 X86_CPU_SUBTYPE       ("cooperlake",     INTEL_COREI7_COOPERLAKE)
+X86_CPU_SUBTYPE       ("tigerlake",      INTEL_COREI7_TIGERLAKE)
 #undef X86_CPU_SUBTYPE_COMPAT
 #undef X86_CPU_SUBTYPE
 
@@ -167,5 +168,6 @@ X86_FEATURE       (66, FEATURE_EM64T)
 X86_FEATURE       (67, FEATURE_CLFLUSHOPT)
 X86_FEATURE       (68, FEATURE_SHA)
 X86_FEATURE       (69, FEATURE_AVX512BF16)
+X86_FEATURE       (70, FEATURE_AVX512VP2INTERSECT)
 #undef X86_FEATURE_COMPAT
 #undef X86_FEATURE

llvm/lib/Support/Host.cpp

@@ -746,6 +746,13 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
       break;
 
     default: // Unknown family 6 CPU, try to guess.
+      // TODO detect tigerlake host
+      if (Features3 & (1 << (X86::FEATURE_AVX512VP2INTERSECT - 64))) {
+        *Type = X86::INTEL_COREI7;
+        *Subtype = X86::INTEL_COREI7_TIGERLAKE;
+        break;
+      }
+
       if (Features & (1 << X86::FEATURE_AVX512VBMI2)) {
         *Type = X86::INTEL_COREI7;
         *Subtype = X86::INTEL_COREI7_ICELAKE_CLIENT;
@@ -1078,6 +1085,8 @@ static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
     setFeature(X86::FEATURE_AVX5124VNNIW);
   if (HasLeaf7 && ((EDX >> 3) & 1) && HasAVX512Save)
     setFeature(X86::FEATURE_AVX5124FMAPS);
+  if (HasLeaf7 && ((EDX >> 8) & 1) && HasAVX512Save)
+    setFeature(X86::FEATURE_AVX512VP2INTERSECT);
 
   unsigned MaxExtLevel;
   getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);

llvm/lib/Target/X86/X86.td

@@ -666,6 +666,17 @@ def ProcessorFeatures {
   list<SubtargetFeature> ICXFeatures =
     !listconcat(ICLInheritableFeatures, ICXSpecificFeatures);
 
+  //Tigerlake
+  list<SubtargetFeature> TGLAdditionalFeatures = [FeatureVP2INTERSECT,
+                                                  FeatureMOVDIRI,
+                                                  FeatureMOVDIR64B,
+                                                  FeatureSHSTK];
+  list<SubtargetFeature> TGLSpecificFeatures = [FeatureHasFastGather];
+  list<SubtargetFeature> TGLInheritableFeatures =
+    !listconcat(TGLAdditionalFeatures ,TGLSpecificFeatures);
+  list<SubtargetFeature> TGLFeatures =
+    !listconcat(ICLFeatures, TGLInheritableFeatures );
+
   // Atom
   list<SubtargetFeature> AtomInheritableFeatures = [FeatureX87,
                                                     FeatureCMPXCHG8B,
@@ -1110,6 +1121,8 @@ def : ProcessorModel<"icelake-client", SkylakeServerModel,
                      ProcessorFeatures.ICLFeatures>;
 def : ProcessorModel<"icelake-server", SkylakeServerModel,
                      ProcessorFeatures.ICXFeatures>;
+def : ProcessorModel<"tigerlake", SkylakeServerModel,
+                     ProcessorFeatures.TGLFeatures>;
 
 // AMD CPUs.
 

llvm/test/CodeGen/X86/cpus-intel.ll

@@ -39,6 +39,7 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cannonlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=icelake-client 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=icelake-server 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=tigerlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=atom 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=bonnell 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty