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Diffstat (limited to 'clang/lib/Basic/Targets/RISCV.cpp')
-rw-r--r--clang/lib/Basic/Targets/RISCV.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets/RISCV.cpp b/clang/lib/Basic/Targets/RISCV.cpp
index 04da4e6..685925b 100644
--- a/clang/lib/Basic/Targets/RISCV.cpp
+++ b/clang/lib/Basic/Targets/RISCV.cpp
@@ -192,8 +192,11 @@ void RISCVTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__riscv_muldiv");
}
- if (ISAInfo->hasExtension("a")) {
+ // The "a" extension is composed of "zalrsc" and "zaamo"
+ if (ISAInfo->hasExtension("a"))
Builder.defineMacro("__riscv_atomic");
+
+ if (ISAInfo->hasExtension("zalrsc")) {
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");