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Atomic ops that do arithmetic use signed arithmetic.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73980 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-06-23 18:30:27 +00:00
parent 8756a8db5b
commit f43f9d0ef8
4 changed files with 12 additions and 12 deletions
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8
lib/System/Atomic.cpp
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@ -52,7 +52,7 @@ uint32_t sys::CompareAndSwap32(volatile uint32_t* ptr,
#endif
}
uint32_t sys::AtomicIncrement32(volatile uint32_t* ptr) {
int32_t sys::AtomicIncrement32(volatile int32_t* ptr) {
#if LLVM_MULTITHREADED==0
++(*ptr);
return *ptr;
@ -65,7 +65,7 @@ uint32_t sys::AtomicIncrement32(volatile uint32_t* ptr) {
#endif
}
uint32_t sys::AtomicDecrement32(volatile uint32_t* ptr) {
int32_t sys::AtomicDecrement32(volatile int32_t* ptr) {
#if LLVM_MULTITHREADED==0
--(*ptr);
return *ptr;
@ -78,7 +78,7 @@ uint32_t sys::AtomicDecrement32(volatile uint32_t* ptr) {
#endif
}
uint32_t sys::AtomicAdd32(volatile uint32_t* ptr, uint32_t val) {
int32_t sys::AtomicAdd32(volatile int32_t* ptr, int32_t val) {
#if LLVM_MULTITHREADED==0
*ptr += val;
return *ptr;
@ -91,7 +91,7 @@ uint32_t sys::AtomicAdd32(volatile uint32_t* ptr, uint32_t val) {
#endif
}
uint64_t sys::AtomicAdd64(volatile uint64_t* ptr, uint64_t val) {
int64_t sys::AtomicAdd64(volatile int64_t* ptr, int64_t val) {
#if LLVM_MULTITHREADED==0
*ptr += val;
return *ptr;