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

[LLVM SIDE]
Connecting the GoldMont processor to his feature.

Reviewers: 
1. igorb
2. zvi
3. delena
4. RKSimon
5. craig.topper        

Differential Revision: https://reviews.llvm.org/D34504

llvm-svn: 306658

lib/Support/Host.cpp

@@ -327,6 +327,7 @@ enum ProcessorSubtypes {
   INTEL_COREI7_SKYLAKE_AVX512,
   INTEL_ATOM_BONNELL,
   INTEL_ATOM_SILVERMONT,
+  INTEL_ATOM_GOLDMONT,
   INTEL_KNIGHTS_LANDING,
   AMDPENTIUM_K6,
   AMDPENTIUM_K62,
@@ -707,7 +708,12 @@ getIntelProcessorTypeAndSubtype(unsigned int Family, unsigned int Model,
       *Type = INTEL_ATOM;
       *Subtype = INTEL_ATOM_SILVERMONT;
       break; // "silvermont"
-
+    // Goldmont:
+    case 0x5c:
+    case 0x5f:
+      *Type = INTEL_ATOM;
+      *Subtype = INTEL_ATOM_GOLDMONT;
+      break; // "goldmont"
     case 0x57:
       *Type = INTEL_XEONPHI; // knl
       *Subtype = INTEL_KNIGHTS_LANDING;
@@ -1070,6 +1076,8 @@ StringRef sys::getHostCPUName() {
       switch (Subtype) {
       case INTEL_ATOM_BONNELL:
         return "bonnell";
+      case INTEL_ATOM_GOLDMONT:
+        return "goldmont";
       case INTEL_ATOM_SILVERMONT:
         return "silvermont";
       default:

lib/Target/X86/X86.td

@@ -300,6 +300,8 @@ def ProcIntelAtom : SubtargetFeature<"atom", "X86ProcFamily", "IntelAtom",
                     "Intel Atom processors">;
 def ProcIntelSLM  : SubtargetFeature<"slm", "X86ProcFamily", "IntelSLM",
                     "Intel Silvermont processors">;
+def ProcIntelGLM  : SubtargetFeature<"glm", "X86ProcFamily", "IntelGLM",
+                    "Intel Goldmont processors">;
 
 class Proc<string Name, list<SubtargetFeature> Features>
  : ProcessorModel<Name, GenericModel, Features>;
@@ -430,6 +432,34 @@ class SilvermontProc<string Name> : ProcessorModel<Name, SLMModel, [
 def : SilvermontProc<"silvermont">;
 def : SilvermontProc<"slm">; // Legacy alias.
 
+class GoldmontProc<string Name> : ProcessorModel<Name, SLMModel, [
+  ProcIntelGLM,
+  FeatureX87,
+  FeatureMMX,
+  FeatureSSE42,
+  FeatureFXSR,
+  FeatureCMPXCHG16B,
+  FeatureMOVBE,
+  FeaturePOPCNT,
+  FeaturePCLMUL,
+  FeatureAES,
+  FeaturePRFCHW,
+  FeatureCallRegIndirect,
+  FeatureSlowLEA,
+  FeatureSlowIncDec,
+  FeatureSlowBTMem,
+  FeatureLAHFSAHF,
+  FeatureMPX,
+  FeatureSHA,
+  FeatureRDSEED,
+  FeatureXSAVE,
+  FeatureXSAVEOPT,
+  FeatureXSAVEC,
+  FeatureXSAVES,
+  FeatureCLFLUSHOPT
+]>;
+def : GoldmontProc<"goldmont">;
+
 // "Arrandale" along with corei3 and corei5
 class NehalemProc<string Name> : ProcessorModel<Name, SandyBridgeModel, [
   FeatureX87,

lib/Target/X86/X86Subtarget.h

@@ -58,7 +58,7 @@ protected:
   };
 
   enum X86ProcFamilyEnum {
-    Others, IntelAtom, IntelSLM
+    Others, IntelAtom, IntelSLM, IntelGLM
   };
 
   /// X86 processor family: Intel Atom, and others

test/CodeGen/X86/atom-call-reg-indirect.ll

@@ -4,6 +4,8 @@
 ; RUN: llc < %s -mcpu=core2 -mtriple=x86_64-linux | FileCheck -check-prefix=ATOM-NOT64 %s
 ; RUN: llc < %s -mcpu=slm -mtriple=i686-linux  | FileCheck -check-prefix=SLM32 %s
 ; RUN: llc < %s -mcpu=slm -mtriple=x86_64-linux  | FileCheck -check-prefix=SLM64 %s
+; RUN: llc < %s -mcpu=goldmont -mtriple=i686-linux  | FileCheck -check-prefix=SLM32 %s
+; RUN: llc < %s -mcpu=goldmont -mtriple=x86_64-linux  | FileCheck -check-prefix=SLM64 %s
 
 
 ; fn_ptr.ll

test/CodeGen/X86/atom-fixup-lea2.ll

@@ -1,4 +1,6 @@
 ; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s
+; RUN: llc < %s -mcpu=goldmont -mtriple=i686-linux | FileCheck %s
+
 ; CHECK:BB#5
 ; CHECK-NEXT:leal
 ; CHECK-NEXT:leal

test/CodeGen/X86/atom-sched.ll

@@ -1,5 +1,6 @@
 ; RUN: llc <%s -O2 -mcpu=atom -march=x86 -relocation-model=static | FileCheck -check-prefix=atom %s
 ; RUN: llc <%s -O2 -mcpu=slm -march=x86 -relocation-model=static | FileCheck -check-prefix=slm %s
+; RUN: llc <%s -O2 -mcpu=goldmont -march=x86 -relocation-model=static | FileCheck -check-prefix=slm %s
 ; RUN: llc <%s -O2 -mcpu=core2 -march=x86 -relocation-model=static | FileCheck %s
 ;
 

test/CodeGen/X86/cpus.ll

@@ -18,6 +18,7 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=broadwell 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
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=goldmont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=k8 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=opteron 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=athlon64 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
@@ -34,3 +35,4 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=btver1 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=btver2 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=znver1 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+