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[Preprocessor] Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 for AArch64 #74954

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Merged
merged 1 commit into from
Dec 12, 2023
Merged

[Preprocessor] Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 for AArch64 #74954

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3 changes: 2 additions & 1 deletion clang/lib/Basic/Targets/AArch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -574,11 +574,12 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions &Opts,
else if (*ArchInfo == llvm::AArch64::ARMV9_5A)
getTargetDefinesARMV95A(Opts, Builder);

// All of the __sync_(bool|val)_compare_and_swap_(1|2|4|8) builtins work.
// All of the __sync_(bool|val)_compare_and_swap_(1|2|4|8|16) builtins work.
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");

// Allow detection of fast FMA support.
Builder.defineMacro("__FP_FAST_FMA", "1");
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1 change: 1 addition & 0 deletions clang/test/Preprocessor/init-aarch64.c
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Expand Up @@ -118,6 +118,7 @@
// AARCH64-NEXT: #define __FP_FAST_FMAF 1
// AARCH64-NEXT: #define __GCC_ASM_FLAG_OUTPUTS__ 1
// AARCH64-NEXT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
// AARCH64-NEXT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 1
// AARCH64-NEXT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
// AARCH64-NEXT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
// AARCH64-NEXT: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
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