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Keep the stack frame aligned.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-16 17:42:40 +00:00
parent 00032bf6cc
commit 69c198863d
1 changed files with 4 additions and 0 deletions
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4
lib/CodeGen/RegAllocSimple.cpp
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@ -324,6 +324,10 @@ bool RegAllocSimple::runOnMachineFunction(MachineFunction &Fn) {
MBB != MBBe; ++MBB)
AllocateBasicBlock(*MBB);
// Round stack allocation up to a nice alignment to keep the stack aligned
// FIXME: This is X86 specific! Move to frame manager
NumBytesAllocated = (NumBytesAllocated + 3) & ~3;
// Add prologue to the function...
RegInfo->emitPrologue(Fn, NumBytesAllocated);