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

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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
This commit is contained in:
Owen Anderson
2009-06-23 20:17:22 +00:00
parent dcee684755
commit 6f2c64d70a
6 changed files with 50 additions and 63 deletions
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15
include/llvm/System/Atomic.h
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@@ -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);
}
}