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Use addSImm() instead of addImm() for stack offsets, which may be negative.

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llvm-svn: 15081
This commit is contained in:
Misha Brukman 2004-07-21 19:36:57 +00:00
parent 77e3529f65
commit 752584b520
1 changed files with 3 additions and 3 deletions
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6
lib/Target/PowerPC/PowerPCRegisterInfo.cpp
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@ -210,7 +210,7 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
// Store the incoming LR so it is preserved across calls
MI = BuildMI(PPC32::MFLR, 0, PPC32::R0);
MBB.insert(MBBI, MI);
MI = BuildMI(PPC32::STW, 3).addReg(PPC32::R0).addImm(8).addReg(PPC32::R1);
MI = BuildMI(PPC32::STW, 3).addReg(PPC32::R0).addSImm(8).addReg(PPC32::R1);
MBB.insert(MBBI, MI);
}
@ -219,7 +219,7 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
// adjust stack pointer: r1 -= numbytes
if (NumBytes) {
MI = BuildMI(PPC32::STWU, 2, PPC32::R1).addImm(-NumBytes).addReg(PPC32::R1);
MI = BuildMI(PPC32::STWU, 2, PPC32::R1).addSImm(-NumBytes).addReg(PPC32::R1);
MBB.insert(MBBI, MI);
}
}
@ -247,7 +247,7 @@ void PowerPCRegisterInfo::emitEpilogue(MachineFunction &MF,
MBB.insert(MBBI, MI);
}
// Adjust stack pointer back
MI = BuildMI(PPC32::ADDI, 2, PPC32::R1).addReg(PPC32::R1).addImm(NumBytes);
MI = BuildMI(PPC32::ADDI, 2, PPC32::R1).addReg(PPC32::R1).addSImm(NumBytes);
MBB.insert(MBBI, MI);
}