[Clang][X86][Goldmont] Adding new target-cpu: Goldmont

[m_zuckerman]

Summary

Connecting the GoldMont processor to his feature.

lib/Basic/Targets.cpp

enum CPUKind {
     CK_Penryn,
     //@}
 
     /// \name Atom
     /// Atom processors
     //@{
     CK_Bonnell,
     CK_Silvermont,
+    CK_Goldmont,
     //@}
 
     /// \name Nehalem
     /// Nehalem microarchitecture based processors.
     CK_Nehalem,
 
     /// \name Westmere
     /// Westmere microarchitecture based processors.
return llvm::StringSwitch<CPUKind>(CPU)
         .Case("prescott", CK_Prescott)
         .Case("nocona", CK_Nocona)
         .Case("core2", CK_Core2)
         .Case("penryn", CK_Penryn)
         .Case("bonnell", CK_Bonnell)
         .Case("atom", CK_Bonnell) // Legacy name.
         .Case("silvermont", CK_Silvermont)
         .Case("slm", CK_Silvermont) // Legacy name.
+        .Case("goldmont", CK_Goldmont)
+        .Case("glm", CK_Goldmont)
         .Case("nehalem", CK_Nehalem)
         .Case("corei7", CK_Nehalem) // Legacy name.
         .Case("westmere", CK_Westmere)
         .Case("sandybridge", CK_SandyBridge)
         .Case("corei7-avx", CK_SandyBridge) // Legacy name.
         .Case("ivybridge", CK_IvyBridge)
         .Case("core-avx-i", CK_IvyBridge) // Legacy name.
         .Case("haswell", CK_Haswell)
case CK_Geode:
         return false;
 
       // Fallthrough
     case CK_Nocona:
     case CK_Core2:
     case CK_Penryn:
     case CK_Bonnell:
     case CK_Silvermont:
+    case CK_Goldmont:
     case CK_Nehalem:
     case CK_Westmere:
     case CK_SandyBridge:
     case CK_IvyBridge:
     case CK_Haswell:
     case CK_Broadwell:
     case CK_SkylakeClient:
     case CK_SkylakeServer:
case CK_Silvermont:
     setFeatureEnabledImpl(Features, "aes", true);
     setFeatureEnabledImpl(Features, "pclmul", true);
     LLVM_FALLTHROUGH;
   case CK_Nehalem:
     setFeatureEnabledImpl(Features, "sse4.2", true);
     setFeatureEnabledImpl(Features, "fxsr", true);
     setFeatureEnabledImpl(Features, "cx16", true);
     break;
+  case CK_Goldmont:
+    setFeatureEnabledImpl(Features, "sha", true);
+    setFeatureEnabledImpl(Features, "rdseed", true);
+    setFeatureEnabledImpl(Features, "xsave", true);
+    setFeatureEnabledImpl(Features, "xsaveopt", true);
+    setFeatureEnabledImpl(Features, "xsavec", true);
+    setFeatureEnabledImpl(Features, "xsaves", true);
+    setFeatureEnabledImpl(Features, "clflushopt", true);
+    setFeatureEnabledImpl(Features, "mpx", true);
+    setFeatureEnabledImpl(Features, "aes", true);
+    setFeatureEnabledImpl(Features, "pclmul", true);
+    setFeatureEnabledImpl(Features, "sse4.2", true);
+    setFeatureEnabledImpl(Features, "fxsr", true);
+    setFeatureEnabledImpl(Features, "cx16", true);
+    setFeatureEnabledImpl(Features, "fsgsbase", true);
+  break;
   case CK_KNL:
     setFeatureEnabledImpl(Features, "avx512f", true);
     setFeatureEnabledImpl(Features, "avx512cd", true);
     setFeatureEnabledImpl(Features, "avx512er", true);
     setFeatureEnabledImpl(Features, "avx512pf", true);
     setFeatureEnabledImpl(Features, "prefetchwt1", true);
     setFeatureEnabledImpl(Features, "fxsr", true);
     setFeatureEnabledImpl(Features, "rdseed", true);
case CK_Penryn:
     defineCPUMacros(Builder, "core2");
     break;
   case CK_Bonnell:
     defineCPUMacros(Builder, "atom");
     break;
   case CK_Silvermont:
     defineCPUMacros(Builder, "slm");
     break;
+  case CK_Goldmont:
+    defineCPUMacros(Builder, "glm");
+    defineCPUMacros(Builder, "goldmont");
+    break;
   case CK_Nehalem:
   case CK_Westmere:
   case CK_SandyBridge:
   case CK_IvyBridge:
   case CK_Haswell:
   case CK_Broadwell:
   case CK_SkylakeClient:
     // FIXME: Historically, we defined this legacy name, it would be nice to

test/Preprocessor/predefined-arch-macros.c

 // CHECK_ATOM_M64: #define __amd64 1
 // CHECK_ATOM_M64: #define __amd64__ 1
 // CHECK_ATOM_M64: #define __atom 1
 // CHECK_ATOM_M64: #define __atom__ 1
 // CHECK_ATOM_M64: #define __tune_atom__ 1
 // CHECK_ATOM_M64: #define __x86_64 1
 // CHECK_ATOM_M64: #define __x86_64__ 1
 //
+// RUN: %clang -march=goldmont -m32 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck %s -check-prefix=CHECK_GLM_M32
+// CHECK_GLM_M32: #define __FSGSBASE__ 1
+// CHECK_GLM_M32: #define __MMX__ 1
+// CHECK_GLM_M32: #define __RDSEED__ 1
+// CHECK_GLM_M32: #define __SHA__ 1
+// CHECK_GLM_M32: #define __SSE2__ 1
+// CHECK_GLM_M32: #define __SSE3__ 1
+// CHECK_GLM_M32: #define __SSE4_1__ 1
+// CHECK_GLM_M32: #define __SSE4_2__ 1
+// CHECK_GLM_M32: #define __SSE__ 1
+// CHECK_GLM_M32: #define __SSSE3__ 1
+// CHECK_GLM_M32: #define __XSAVEC__ 1
+// CHECK_GLM_M32: #define __XSAVEOPT__ 1
+// CHECK_GLM_M32: #define __XSAVES__ 1
+// CHECK_GLM_M32: #define __XSAVE__ 1
+// CHECK_GLM_M32: #define __goldmont 1
+// CHECK_GLM_M32: #define __goldmont__ 1
+// CHECK_GLM_M32: #define __i386 1
+// CHECK_GLM_M32: #define __i386__ 1
+// CHECK_GLM_M32: #define __tune_goldmont__ 1
+// CHECK_GLM_M32: #define i386 1
+//
+// RUN: %clang -march=goldmont -m64 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck %s -check-prefix=CHECK_GLM_M64
+// CHECK_GLM_M64: #define __FSGSBASE__ 1
+// CHECK_GLM_M64: #define __MMX__ 1
+// CHECK_GLM_M64: #define __RDSEED__ 1
+// CHECK_GLM_M64: #define __SHA__ 1
+// CHECK_GLM_M64: #define __SSE2__ 1
+// CHECK_GLM_M64: #define __SSE3__ 1
+// CHECK_GLM_M64: #define __SSE4_1__ 1
+// CHECK_GLM_M64: #define __SSE4_2__ 1
+// CHECK_GLM_M64: #define __SSE__ 1
+// CHECK_GLM_M64: #define __SSSE3__ 1
+// CHECK_GLM_M64: #define __XSAVEC__ 1
+// CHECK_GLM_M64: #define __XSAVEOPT__ 1
+// CHECK_GLM_M64: #define __XSAVES__ 1
+// CHECK_GLM_M64: #define __XSAVE__ 1
+// CHECK_GLM_M64: #define __goldmont 1
+// CHECK_GLM_M64: #define __goldmont__ 1
+// CHECK_GLM_M64: #define __tune_goldmont__ 1
+// CHECK_GLM_M64: #define __x86_64 1
+// CHECK_GLM_M64: #define __x86_64__ 1
+//
 // RUN: %clang -march=slm -m32 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_SLM_M32
 // CHECK_SLM_M32: #define __MMX__ 1
 // CHECK_SLM_M32: #define __SSE2__ 1
 // CHECK_SLM_M32: #define __SSE3__ 1
 // CHECK_SLM_M32: #define __SSE4_1__ 1
 // CHECK_SLM_M32: #define __SSE4_2__ 1