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fix the loading of the link register in emitepilogue

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29580 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2006-08-09 13:15:47 +00:00
parent dcffb0cf81
commit 2c8cdc6c1a
1 changed files with 3 additions and 1 deletions
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4
lib/Target/ARM/ARMRegisterInfo.cpp
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@ -129,6 +129,8 @@ void ARMRegisterInfo::emitPrologue(MachineFunction &MF) const {
// entry to the current function. This eliminates the need for add/sub
// brackets around call sites.
NumBytes += MFI->getMaxCallFrameSize();
} else {
NumBytes += 4;
}
MFI->setStackSize(NumBytes);
@ -149,7 +151,7 @@ void ARMRegisterInfo::emitEpilogue(MachineFunction &MF,
int NumBytes = (int) MFI->getStackSize();
//ldr lr, [sp]
BuildMI(MBB, MBBI, ARM::ldr, 2, ARM::R14).addImm(0).addReg(ARM::R13);
BuildMI(MBB, MBBI, ARM::ldr, 2, ARM::R14).addImm(NumBytes - 4).addReg(ARM::R13);
//add sp, sp, #NumBytes
BuildMI(MBB, MBBI, ARM::addri, 2, ARM::R13).addReg(ARM::R13).addImm(NumBytes);
}