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
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191326 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index a9512d2..f1a1454 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1586,6 +1586,7 @@
bool HasRTM;
bool HasPRFCHW;
bool HasRDSEED;
+ bool HasTBM;
bool HasFMA;
bool HasF16C;
bool HasAVX512CD, HasAVX512ER, HasAVX512PF;
@@ -1748,8 +1749,8 @@
: 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 @@
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 @@
continue;
}
+ if (Feature == "tbm") {
+ HasTBM = true;
+ continue;
+ }
+
if (Feature == "fma") {
HasFMA = true;
continue;
@@ -2642,6 +2649,9 @@
if (HasRDSEED)
Builder.defineMacro("__RDSEED__");
+ if (HasTBM)
+ Builder.defineMacro("__TBM__");
+
switch (XOPLevel) {
case XOP:
Builder.defineMacro("__XOP__");
@@ -2749,6 +2759,7 @@
.Case("bmi2", HasBMI2)
.Case("fma", HasFMA)
.Case("fma4", XOPLevel >= FMA4)
+ .Case("tbm", HasTBM)
.Case("lzcnt", HasLZCNT)
.Case("rdrnd", HasRDRND)
.Case("mm3dnow", MMX3DNowLevel >= AMD3DNow)