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Label the existing atomic functions as 32-bit specific, and add a 64-bit one that will be useful in

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the near future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73971 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-06-23 18:01:04 +00:00
parent bb3231f7c4
commit 0de9953e88
4 changed files with 32 additions and 19 deletions
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15
include/llvm/System/Atomic.h
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@@ -20,13 +20,14 @@ namespace llvm {
namespace sys {
void MemoryFence();
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);
uint32_t CompareAndSwap32(volatile uint32_t* ptr,
uint32_t new_value,
uint32_t old_value);
uint32_t AtomicIncrement32(volatile uint32_t* ptr);
uint32_t AtomicDecrement32(volatile uint32_t* ptr);
uint32_t AtomicAdd32(volatile uint32_t* ptr, uint32_t val);
uint64_t AtomicAdd64(volatile uint64_t* ptr, uint64_t val);
}
}