Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets

we care about are capable of supporting it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73993 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 8 deletions

diff --git a/include/llvm/System/Atomic.h b/include/llvm/System/Atomic.h
index c0612f9..c4049d4 100644
--- a/include/llvm/System/Atomic.h
+++ b/include/llvm/System/Atomic.h
@@ -20,14 +20,13 @@ namespace llvm {
   namespace sys {
     void MemoryFence();
 
-    uint32_t CompareAndSwap32(volatile uint32_t* ptr,
-                            uint32_t new_value,
-                            uint32_t old_value);
-    int32_t AtomicIncrement32(volatile int32_t* ptr);
-    int32_t AtomicDecrement32(volatile int32_t* ptr);
-    int32_t AtomicAdd32(volatile int32_t* ptr, int32_t val);
-    
-    int64_t AtomicAdd64(volatile int64_t* ptr, int64_t val);
+    typedef uint32_t cas_flag;
+    cas_flag CompareAndSwap(volatile cas_flag* ptr,
+                            cas_flag new_value,
+                            cas_flag old_value);
+    cas_flag AtomicIncrement(volatile cas_flag* ptr);
+    cas_flag AtomicDecrement(volatile cas_flag* ptr);
+    cas_flag AtomicAdd(volatile cas_flag* ptr, cas_flag val);
   }
 }