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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
include/llvm/System/Atomic.h
View File

@ -23,11 +23,11 @@ namespace llvm {
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);
int32_t AtomicIncrement32(volatile int32_t* ptr);
int32_t AtomicDecrement32(volatile int32_t* ptr);
int32_t AtomicAdd32(volatile int32_t* ptr, int32_t val);
uint64_t AtomicAdd64(volatile uint64_t* ptr, uint64_t val);
int64_t AtomicAdd64(volatile int64_t* ptr, int64_t val);
}
}

4
include/llvm/Type.h
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@ -103,7 +103,7 @@ private:
/// has no AbstractTypeUsers, the type is deleted. This is only sensical for
/// derived types.
///
mutable uint32_t RefCount;
mutable int32_t RefCount;
const Type *getForwardedTypeInternal() const;
@ -347,7 +347,7 @@ public:
// If this is the last PATypeHolder using this object, and there are no
// PATypeHandles using it, the type is dead, delete it now.
uint32_t Count = sys::AtomicDecrement32(&RefCount);
int32_t Count = sys::AtomicDecrement32(&RefCount);
if (Count == 0 && AbstractTypeUsers.empty())
this->destroy();
}

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;

4
lib/VMCore/Mangler.cpp
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@ -165,9 +165,9 @@ std::string Mangler::getValueName(const GlobalValue *GV, const char * Suffix) {
} else if (!GV->hasName()) {
// Must mangle the global into a unique ID.
unsigned TypeUniqueID = getTypeID(GV->getType());
static uint32_t GlobalID = 0;
static int32_t GlobalID = 0;
unsigned OldID = GlobalID;
int32_t OldID = GlobalID;
sys::AtomicIncrement32(&GlobalID);
Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(OldID);