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Always compute max align.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-11-06 17:43:20 +00:00
parent cb982916f7
commit cbef8ba5f9
1 changed files with 5 additions and 6 deletions
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11
lib/CodeGen/PrologEpilogInserter.cpp
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@ -258,7 +258,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
MachineFrameInfo *FFI = Fn.getFrameInfo(); MachineFrameInfo *FFI = Fn.getFrameInfo();
unsigned StackAlignment = TFI.getStackAlignment(); unsigned StackAlignment = TFI.getStackAlignment();
unsigned MaxAlign = StackAlignment; unsigned MaxAlign = 0;
// Start at the beginning of the local area. // Start at the beginning of the local area.
// The Offset is the distance from the stack top in the direction // The Offset is the distance from the stack top in the direction
@ -318,11 +318,10 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
// Set the final value of the stack pointer... // Set the final value of the stack pointer...
FFI->setStackSize(Offset+TFI.getOffsetOfLocalArea()); FFI->setStackSize(Offset+TFI.getOffsetOfLocalArea());
// If we have a new stack alignment, set the preferred stack alignment so that
// the targets can do the appropriate thing to properly align the stack above // Remember the required stack alignment in case targets need it to perform
// the default alignment. // dynamic stack alignment.
if (MaxAlign > StackAlignment) FFI->setMaxAlignment(MaxAlign);
FFI->setMaxAlignment(MaxAlign);
} }