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Fix a pointer-arithmetic bug that caused 64-bit host pointer values to

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be truncated to 32 bits. This fixes the recent Benchmarks/McCat/09-vor
regression on x86-64, among other things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50372 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-04-28 20:25:15 +00:00
parent 00acf97feb
commit 3e2dda63d0
1 changed files with 1 additions and 1 deletions
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2
lib/Support/Allocator.cpp
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@ -48,7 +48,7 @@ public:
void *Allocate(unsigned AllocSize, unsigned Alignment, MemRegion **RegPtr) { void *Allocate(unsigned AllocSize, unsigned Alignment, MemRegion **RegPtr) {
char* Result = (char*) (((uintptr_t) (NextPtr+Alignment-1)) char* Result = (char*) (((uintptr_t) (NextPtr+Alignment-1))
& ~(Alignment-1)); & ~((uintptr_t) Alignment-1));
// Speculate the new value of NextPtr. // Speculate the new value of NextPtr.
char* NextPtrTmp = Result + AllocSize; char* NextPtrTmp = Result + AllocSize;