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https://github.com/c64scene-ar/llvm-6502.git
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Fixed stack frame addressing bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41160 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -271,15 +271,15 @@ emitPrologue(MachineFunction &MF) const
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MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
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MachineBasicBlock::iterator MBBI = MBB.begin();
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// Get the number of bytes to allocate from the FrameInfo
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// Get the number of bytes to allocate from the FrameInfo.
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int NumBytes = (int) MFI->getStackSize();
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#ifndef NDEBUG
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DOUT << "\n<--- EMIT PROLOGUE --->";
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DOUT << "\n<--- EMIT PROLOGUE --->\n";
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DOUT << "Stack size :" << NumBytes << "\n";
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#endif
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// Do we need to allocate space on the stack?
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// Don't need to allocate space on the stack.
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if (NumBytes == 0) return;
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int FPOffset, RAOffset;
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@ -289,13 +289,13 @@ emitPrologue(MachineFunction &MF) const
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// using FP, the last stack slot becomes empty
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// and RA is saved before it.
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if ((hasFP(MF)) && (MFI->hasCalls())) {
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FPOffset = NumBytes;
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RAOffset = (NumBytes+4);
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FPOffset = NumBytes+4;
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RAOffset = (NumBytes+8);
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} else if ((!hasFP(MF)) && (MFI->hasCalls())) {
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FPOffset = 0;
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RAOffset = NumBytes;
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RAOffset = NumBytes+4;
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} else if ((hasFP(MF)) && (!MFI->hasCalls())) {
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FPOffset = NumBytes;
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FPOffset = NumBytes+4;
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RAOffset = 0;
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}
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@ -310,7 +310,7 @@ emitPrologue(MachineFunction &MF) const
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#endif
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// Align stack.
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NumBytes += 8;
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NumBytes += 12;
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unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
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NumBytes = ((NumBytes+Align-1)/Align*Align);
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