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don't emit 'add %o6, 0, %o6' instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24857 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-12-19 02:51:12 +00:00
parent eb0966693b
commit 43875e63f3
2 changed files with 12 additions and 10 deletions
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11
lib/Target/Sparc/SparcRegisterInfo.cpp
View File

@ -77,11 +77,12 @@ void SparcV8RegisterInfo::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
MachineInstr &MI = *I;
int size = MI.getOperand (0).getImmedValue ();
if (MI.getOpcode () == V8::ADJCALLSTACKDOWN)
size = -size;
BuildMI (MBB, I, V8::ADDri, 2, V8::O6).addReg (V8::O6).addSImm (size);
MBB.erase (I);
int Size = MI.getOperand(0).getImmedValue();
if (MI.getOpcode() == V8::ADJCALLSTACKDOWN)
Size = -Size;
if (Size)
BuildMI(MBB, I, V8::ADDri, 2, V8::O6).addReg(V8::O6).addSImm(Size);
MBB.erase(I);
}
void

11
lib/Target/SparcV8/SparcV8RegisterInfo.cpp
View File

@ -77,11 +77,12 @@ void SparcV8RegisterInfo::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
MachineInstr &MI = *I;
int size = MI.getOperand (0).getImmedValue ();
if (MI.getOpcode () == V8::ADJCALLSTACKDOWN)
size = -size;
BuildMI (MBB, I, V8::ADDri, 2, V8::O6).addReg (V8::O6).addSImm (size);
MBB.erase (I);
int Size = MI.getOperand(0).getImmedValue();
if (MI.getOpcode() == V8::ADJCALLSTACKDOWN)
Size = -Size;
if (Size)
BuildMI(MBB, I, V8::ADDri, 2, V8::O6).addReg(V8::O6).addSImm(Size);
MBB.erase(I);
}
void