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[X86] Add 'rdrnd' feature to silvermont to match recent gcc bug fix. 

gcc recently fixed this bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83546

llvm-svn: 323552
This commit is contained in:
Craig Topper 2018-01-26 19:34:45 +00:00
parent 8f324bb1a4
commit ace5c37c57
2 changed files with 3 additions and 1 deletions
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2
clang/lib/Basic/Targets/X86.cpp
View File

@ -239,7 +239,6 @@ bool X86TargetInfo::initFeatureMap(
case CK_Goldmont:
setFeatureEnabledImpl(Features, "sha", true);
setFeatureEnabledImpl(Features, "rdrnd", true);
setFeatureEnabledImpl(Features, "rdseed", true);
setFeatureEnabledImpl(Features, "xsave", true);
setFeatureEnabledImpl(Features, "xsaveopt", true);
@ -250,6 +249,7 @@ bool X86TargetInfo::initFeatureMap(
setFeatureEnabledImpl(Features, "fsgsbase", true);
LLVM_FALLTHROUGH;
case CK_Silvermont:
setFeatureEnabledImpl(Features, "rdrnd", true);
setFeatureEnabledImpl(Features, "aes", true);
setFeatureEnabledImpl(Features, "pclmul", true);
setFeatureEnabledImpl(Features, "sse4.2", true);

2
clang/test/Preprocessor/predefined-arch-macros.c
View File

@ -1272,6 +1272,7 @@
// CHECK_SLM_M32: #define __PCLMUL__ 1
// CHECK_SLM_M32: #define __POPCNT__ 1
// CHECK_SLM_M32: #define __PRFCHW__ 1
// CHECK_SLM_M32: #define __RDRND__ 1
// CHECK_SLM_M32: #define __SSE2__ 1
// CHECK_SLM_M32: #define __SSE3__ 1
// CHECK_SLM_M32: #define __SSE4_1__ 1
@ -1293,6 +1294,7 @@
// CHECK_SLM_M64: #define __PCLMUL__ 1
// CHECK_SLM_M64: #define __POPCNT__ 1
// CHECK_SLM_M64: #define __PRFCHW__ 1
// CHECK_SLM_M64: #define __RDRND__ 1
// CHECK_SLM_M64: #define __SSE2_MATH__ 1
// CHECK_SLM_M64: #define __SSE2__ 1
// CHECK_SLM_M64: #define __SSE3__ 1