From 94150f0666858c07d41113c0a4059e5bdea866b4 Mon Sep 17 00:00:00 2001 From: Andrew Lenharth Date: Wed, 25 Jan 2006 01:51:08 +0000 Subject: maintaining stackpointer alignment. Perhaps it doesn't matter llvm-svn: 25592 --- llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp b/llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp index 1438073279c..fb93922aec5 100644 --- a/llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp +++ b/llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp @@ -257,6 +257,7 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const { " for stack size: " << MF.getFrameInfo()->getStackSize() << "\n"); if (Offset > IMM_HIGH || Offset < IMM_LOW) { + std::cerr << "Unconditionally using R28 for evil purposes\n"; //so in this case, we need to use a temporary register, and move the original //inst off the SP/FP //fix up the old: @@ -311,6 +312,9 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const { // Do we need to allocate space on the stack? if (NumBytes == 0) return; + unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment(); + NumBytes = (NumBytes+Align-1)/Align*Align; + // Update frame info to pretend that this is part of the stack... MFI->setStackSize(NumBytes); -- cgit v1.2.3