From a7db230d752be4a104c496eb68a82a5acb4bb35c Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Thu, 25 Jun 2020 22:55:36 -0700 Subject: [PATCH] [X86] Add CMPXCHG16B feature to amdfam10 in the frontend. We already have this feature on it in the backend. --- clang/lib/Basic/Targets/X86.cpp | 1 + clang/test/Preprocessor/predefined-arch-macros.c | 1 + 2 files changed, 2 insertions(+) diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp index cc37c8a5cba..184090fe104 100644 --- a/clang/lib/Basic/Targets/X86.cpp +++ b/clang/lib/Basic/Targets/X86.cpp @@ -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); diff --git a/clang/test/Preprocessor/predefined-arch-macros.c b/clang/test/Preprocessor/predefined-arch-macros.c index 4e1535c91c0..91f6a99a29c 100644 --- a/clang/test/Preprocessor/predefined-arch-macros.c +++ b/clang/test/Preprocessor/predefined-arch-macros.c @@ -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 -- 2.11.0