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support for >4G stack frames 

llvm-svn: 36425
This commit is contained in:
Chris Lattner 2007-04-25 04:30:24 +00:00
parent 868d969081
commit b975bebec1
2 changed files with 5 additions and 4 deletions
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2
llvm/lib/CodeGen/PrologEpilogInserter.cpp
View File

@ -455,7 +455,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) {
Offset += FFI->getMaxCallFrameSize();
unsigned AlignMask = TFI.getStackAlignment() - 1;
Offset = (Offset + AlignMask) & ~AlignMask;
Offset = (Offset + AlignMask) & ~uint64_t(AlignMask);
}
// Update frame info to pretend that this is part of the stack...

7
llvm/lib/Target/X86/X86RegisterInfo.cpp
View File

@ -1036,7 +1036,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
unsigned FrameLabelId = 0;
// Get the number of bytes to allocate from the FrameInfo
unsigned NumBytes = MFI->getStackSize();
uint64_t NumBytes = MFI->getStackSize();
if (NumBytes) { // adjust stack pointer: ESP -= numbytes
if (NumBytes >= 4096 && Subtarget->isTargetCygMing()) {
@ -1091,7 +1091,8 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
if (hasFP(MF)) {
// Get the offset of the stack slot for the EBP register... which is
// guaranteed to be the last slot by processFunctionBeforeFrameFinalized.
int EBPOffset = MFI->getObjectOffset(MFI->getObjectIndexBegin())+SlotSize;
int64_t EBPOffset =
MFI->getObjectOffset(MFI->getObjectIndexBegin())+SlotSize;
// Update the frame offset adjustment.
MFI->setOffsetAdjustment(SlotSize-NumBytes);
@ -1128,7 +1129,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
// Add callee saved registers to move list.
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
for (unsigned I = 0, E = CSI.size(); I != E; ++I) {
int Offset = MFI->getObjectOffset(CSI[I].getFrameIdx());
int64_t Offset = MFI->getObjectOffset(CSI[I].getFrameIdx());
unsigned Reg = CSI[I].getReg();
MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
MachineLocation CSSrc(Reg);