[compiler-rt] r255266 - [PGO] use COMPILER_RT_HAS_ATOMTICS macro

[Xinliang David Li via llvm-commits]

Author: davidxl
Date: Thu Dec 10 11:27:53 2015
New Revision: 255266

URL: http://llvm.org/viewvc/llvm-project?rev=255266&view=rev
Log:
[PGO] use COMPILER_RT_HAS_ATOMTICS macro

Modified:
    compiler-rt/trunk/lib/profile/InstrProfiling.c

Modified: compiler-rt/trunk/lib/profile/InstrProfiling.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/profile/InstrProfiling.c?rev=255266&r1=255265&r2=255266&view=diff
==============================================================================
--- compiler-rt/trunk/lib/profile/InstrProfiling.c (original)
+++ compiler-rt/trunk/lib/profile/InstrProfiling.c Thu Dec 10 11:27:53 2015
@@ -23,7 +23,10 @@
     return 0;                                                                  \
   }
 
-#ifdef _MIPS_ARCH
+#if COMPILER_RT_HAS_ATOMICS == 1
+#define BOOL_CMPXCHG(Ptr, OldV, NewV)                                          \
+  __sync_bool_compare_and_swap(Ptr, OldV, NewV)
+#else
 LLVM_LIBRARY_VISIBILITY
 uint32_t BoolCmpXchg(void **Ptr, void *OldV, void *NewV) {
   void *R = *Ptr;
@@ -34,9 +37,6 @@ uint32_t BoolCmpXchg(void **Ptr, void *O
   return 0;
 }
 #define BOOL_CMPXCHG(Ptr, OldV, NewV) BoolCmpXchg((void **)Ptr, OldV, NewV)
-#else
-#define BOOL_CMPXCHG(Ptr, OldV, NewV)                                          \
-  __sync_bool_compare_and_swap(Ptr, OldV, NewV)
 #endif
 
 char *(*GetEnvHook)(const char *) = 0;