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Make storeRegToStackSlot slightly shorter.

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Make copyRegToReg return 1 instead of -1.
Edit a comment in emitPrologue().

llvm-svn: 14211
This commit is contained in:
Brian Gaeke 2004-06-17 22:34:48 +00:00
parent 9a0dc64af6
commit b824469b44
1 changed files with 7 additions and 7 deletions
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14
lib/Target/SparcV8/SparcV8RegisterInfo.cpp
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@ -26,15 +26,14 @@ SparcV8RegisterInfo::SparcV8RegisterInfo()
int SparcV8RegisterInfo::storeRegToStackSlot(
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
MachineBasicBlock::iterator I,
unsigned SrcReg, int FrameIdx,
const TargetRegisterClass *RC) const
{
assert (RC == SparcV8::IntRegsRegisterClass
&& "Can only store 32-bit values to stack slots");
MachineInstr *I =
BuildMI (V8::STrm, 3).addFrameIndex (FrameIdx).addSImm (0).addReg (SrcReg);
MBB.insert(MBBI, I);
// On the order of operands here: think "[FrameIdx + 0] = SrcReg".
BuildMI (MBB, I, V8::STrm, 3).addFrameIndex (FrameIdx).addSImm (0).addReg (SrcReg);
return 1;
}
@ -57,7 +56,7 @@ int SparcV8RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
assert (RC == SparcV8::IntRegsRegisterClass
&& "Can only copy 32-bit registers");
BuildMI (MBB, I, V8::ORrr, 2, DestReg).addReg (V8::G0).addReg (SrcReg);
return -1;
return 1;
}
void SparcV8RegisterInfo::
@ -109,8 +108,9 @@ void SparcV8RegisterInfo::emitPrologue(MachineFunction &MF) const {
// ----------
// 23 words * 4 bytes per word = 92 bytes
NumBytes += 92;
NumBytes = (NumBytes + 7) & ~7; // Round up to next doubleword boundary
// (Technically, a word boundary should be sufficient, but SPARC as complains)
// Round up to next doubleword boundary -- a double-word boundary
// is required by the ABI.
NumBytes = (NumBytes + 7) & ~7;
BuildMI(MBB, MBB.begin(), V8::SAVEri, 2,
V8::SP).addImm(-NumBytes).addReg(V8::SP);
}