[clang] 5fe1713 - [Sparc] Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP macros on SPARCv9

[Brad Smith via cfe-commits]

Author: Brad Smith
Date: 2020-08-11T00:04:24-04:00
New Revision: 5fe171321c018a811debc306a776dbdf27a306dd

URL: https://github.com/llvm/llvm-project/commit/5fe171321c018a811debc306a776dbdf27a306dd
DIFF: https://github.com/llvm/llvm-project/commit/5fe171321c018a811debc306a776dbdf27a306dd.diff

LOG: [Sparc] Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP macros on SPARCv9

Added: 
    

Modified: 
    clang/lib/Basic/Targets/Sparc.cpp
    clang/test/Preprocessor/predefined-arch-macros.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/Sparc.cpp b/clang/lib/Basic/Targets/Sparc.cpp
index 13aa964d4716..48f36c5ba1c6 100644
--- a/clang/lib/Basic/Targets/Sparc.cpp
+++ b/clang/lib/Basic/Targets/Sparc.cpp
@@ -240,6 +240,11 @@ void SparcV9TargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__sparc_v9__");
     Builder.defineMacro("__sparcv9__");
   }
+
+  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");
 }
 
 void SparcV9TargetInfo::fillValidCPUList(

diff  --git a/clang/test/Preprocessor/predefined-arch-macros.c b/clang/test/Preprocessor/predefined-arch-macros.c
index e457a0479b33..abab9274ffbb 100644
--- a/clang/test/Preprocessor/predefined-arch-macros.c
+++ b/clang/test/Preprocessor/predefined-arch-macros.c
@@ -3174,6 +3174,14 @@
 // CHECK_SPARCV9: #define __sparcv9 1
 // CHECK_SPARCV9: #define __sparcv9__ 1
 
+// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN:     -target sparcv9-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_SPARCV9_GCC_ATOMICS
+// CHECK_SPARCV9_GCC_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
+// CHECK_SPARCV9_GCC_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
+// CHECK_SPARCV9_GCC_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
+// CHECK_SPARCV9_GCC_ATOMICS: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
+
 // Begin SystemZ/GCC/Linux tests ----------------
 
 // RUN: %clang -march=arch8 -E -dM %s -o - 2>&1 \