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[X86] Add CMPXCHG16B feature to amdfam10 in the frontend. 

We already have this feature on it in the backend.
This commit is contained in:
Craig Topper 2020-06-25 22:55:36 -07:00
parent d4adac4832
commit a7db230d75
2 changed files with 2 additions and 0 deletions
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1
clang/lib/Basic/Targets/X86.cpp
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@ -336,6 +336,7 @@ SkylakeCommon:
setFeatureEnabledImpl(Features, "popcnt", true);
setFeatureEnabledImpl(Features, "sahf", true);
setFeatureEnabledImpl(Features, "prfchw", true);
setFeatureEnabledImpl(Features, "cx16", true);
LLVM_FALLTHROUGH;
case CK_K8SSE3:
setFeatureEnabledImpl(Features, "sse3", true);

1
clang/test/Preprocessor/predefined-arch-macros.c
View File

@ -2397,6 +2397,7 @@
// RUN: | FileCheck -match-full-lines %s -check-prefix=CHECK_AMDFAM10_M64
// CHECK_AMDFAM10_M64: #define __3dNOW_A__ 1
// CHECK_AMDFAM10_M64: #define __3dNOW__ 1
// CHECK_AMDFAM10_M64: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 1
// CHECK_AMDFAM10_M64: #define __LZCNT__ 1
// CHECK_AMDFAM10_M64: #define __MMX__ 1
// CHECK_AMDFAM10_M64: #define __POPCNT__ 1