From 1f6aeebe7691024d05b914a96003ff11df5f861a Mon Sep 17 00:00:00 2001
From: Yunzhong Gao <Yunzhong_Gao@playstation.sony.com>
Date: Tue, 24 Sep 2013 19:00:58 +0000
Subject: Adding -mtbm and -mno-tbm command line options to the clang front end
 for the x86 TBM instruction set. Also adding a __TBM__ macro if the TBM
 feature is enabled. Otherwise there should be no functionality change to
 existing features.

Phabricator code review is located here: http://llvm-reviews.chandlerc.com/D1693

llvm-svn: 191326
---
 clang/lib/Basic/Targets.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'clang/lib/Basic/Targets.cpp')

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index a9512d2fe1f..f1a14544104 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1586,6 +1586,7 @@ class X86TargetInfo : public TargetInfo {
   bool HasRTM;
   bool HasPRFCHW;
   bool HasRDSEED;
+  bool HasTBM;
   bool HasFMA;
   bool HasF16C;
   bool HasAVX512CD, HasAVX512ER, HasAVX512PF;
@@ -1748,8 +1749,8 @@ public:
       : TargetInfo(Triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
         XOPLevel(NoXOP), HasAES(false), HasPCLMUL(false), HasLZCNT(false),
         HasRDRND(false), HasBMI(false), HasBMI2(false), HasPOPCNT(false),
-        HasRTM(false), HasPRFCHW(false), HasRDSEED(false), HasFMA(false),
-        HasF16C(false), HasAVX512CD(false), HasAVX512ER(false),
+        HasRTM(false), HasPRFCHW(false), HasRDSEED(false), HasTBM(false),
+        HasFMA(false), HasF16C(false), HasAVX512CD(false), HasAVX512ER(false),
         HasAVX512PF(false), HasSHA(false), CPU(CK_Generic), FPMath(FP_Default) {
     BigEndian = false;
     LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
@@ -2127,6 +2128,7 @@ void X86TargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const {
     setFeatureEnabledImpl(Features, "bmi", true);
     setFeatureEnabledImpl(Features, "fma", true);
     setFeatureEnabledImpl(Features, "f16c", true);
+    setFeatureEnabledImpl(Features, "tbm", true);
     break;
   case CK_C3_2:
     setFeatureEnabledImpl(Features, "sse", true);
@@ -2367,6 +2369,11 @@ bool X86TargetInfo::HandleTargetFeatures(std::vector<std::string> &Features,
       continue;
     }
 
+    if (Feature == "tbm") {
+      HasTBM = true;
+      continue;
+    }
+
     if (Feature == "fma") {
       HasFMA = true;
       continue;
@@ -2642,6 +2649,9 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   if (HasRDSEED)
     Builder.defineMacro("__RDSEED__");
 
+  if (HasTBM)
+    Builder.defineMacro("__TBM__");
+
   switch (XOPLevel) {
   case XOP:
     Builder.defineMacro("__XOP__");
@@ -2749,6 +2759,7 @@ bool X86TargetInfo::hasFeature(StringRef Feature) const {
       .Case("bmi2", HasBMI2)
       .Case("fma", HasFMA)
       .Case("fma4", XOPLevel >= FMA4)
+      .Case("tbm", HasTBM)
       .Case("lzcnt", HasLZCNT)
       .Case("rdrnd", HasRDRND)
       .Case("mm3dnow", MMX3DNowLevel >= AMD3DNow)
-- 
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