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* Add the lost fix to define the second reg of a 2-reg representation of longs 

* Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value

llvm-svn: 15087
This commit is contained in:
Misha Brukman 2004-07-21 20:30:18 +00:00
parent 87e07f8596
commit dbd14bc3e5
2 changed files with 8 additions and 2 deletions
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5
llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
View File

@ -1154,6 +1154,9 @@ void ISel::emitSelectOperation(MachineBasicBlock *MBB,
BB = sinkMBB;
BuildMI(BB, PPC32::PHI, 4, DestReg).addReg(FalseValue)
.addMBB(copy0MBB).addReg(TrueValue).addMBB(copy1MBB);
// For a register pair representing a long value, define the second reg
if (getClass(TrueVal->getType()) == cLong)
BuildMI(BB, PPC32::LI, 1, DestReg+1).addImm(0);
return;
}
@ -2801,7 +2804,7 @@ void ISel::visitAllocaInst(AllocaInst &I) {
// AlignedSize = and <AddedSize>, ~15
unsigned AlignedSize = makeAnotherReg(Type::UIntTy);
BuildMI(BB, PPC32::RLWNM, 4, AlignedSize).addReg(AddedSizeReg).addImm(0)
BuildMI(BB, PPC32::RLWINM, 4, AlignedSize).addReg(AddedSizeReg).addImm(0)
.addImm(0).addImm(27);
// Subtract size from stack pointer, thereby allocating some space.

5
llvm/lib/Target/PowerPC/PowerPCISelSimple.cpp
View File

@ -1154,6 +1154,9 @@ void ISel::emitSelectOperation(MachineBasicBlock *MBB,
BB = sinkMBB;
BuildMI(BB, PPC32::PHI, 4, DestReg).addReg(FalseValue)
.addMBB(copy0MBB).addReg(TrueValue).addMBB(copy1MBB);
// For a register pair representing a long value, define the second reg
if (getClass(TrueVal->getType()) == cLong)
BuildMI(BB, PPC32::LI, 1, DestReg+1).addImm(0);
return;
}
@ -2801,7 +2804,7 @@ void ISel::visitAllocaInst(AllocaInst &I) {
// AlignedSize = and <AddedSize>, ~15
unsigned AlignedSize = makeAnotherReg(Type::UIntTy);
BuildMI(BB, PPC32::RLWNM, 4, AlignedSize).addReg(AddedSizeReg).addImm(0)
BuildMI(BB, PPC32::RLWINM, 4, AlignedSize).addReg(AddedSizeReg).addImm(0)
.addImm(0).addImm(27);
// Subtract size from stack pointer, thereby allocating some space.