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LA is really addi. Be consistent with operand ordering to avoid confusing the code emitter

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18138 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-11-23 05:54:25 +00:00
parent e9cf6b9278
commit 6540c6c344
2 changed files with 7 additions and 5 deletions
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10
lib/Target/PowerPC/PPC32ISelSimple.cpp
View File

@ -698,14 +698,16 @@ void PPC32ISel::copyConstantToRegister(MachineBasicBlock *MBB,
unsigned GlobalBase = makeAnotherReg(Type::IntTy);
unsigned TmpReg = makeAnotherReg(GV->getType());
unsigned Opcode = (GV->hasWeakLinkage()
|| GV->isExternal()
|| dyn_cast<Function>(GV)) ? PPC::LWZ : PPC::LA;
// Move value at base + distance into return reg
BuildMI(*MBB, IP, PPC::LOADHiAddr, 2, TmpReg)
.addReg(getGlobalBaseReg(MBB, IP)).addGlobalAddress(GV);
BuildMI(*MBB, IP, Opcode, 2, R).addGlobalAddress(GV).addReg(TmpReg);
if (GV->hasWeakLinkage() || GV->isExternal() || dyn_cast<Function>(GV)) {
BuildMI(*MBB, IP, PPC::LWZ, 2, R).addGlobalAddress(GV).addReg(TmpReg);
} else {
BuildMI(*MBB, IP, PPC::LA, 2, R).addReg(TmpReg).addGlobalAddress(GV);
}
// Add the GV to the list of things whose addresses have been taken.
TM.AddressTaken.insert(GV);

2
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -113,7 +113,7 @@ def ADDICo : DForm_2<13, 0, 0, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
"addic. $rD, $rA, $imm">;
def ADDIS : DForm_2<15, 0, 0, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
"addis $rD, $rA, $imm">;
def LA : DForm_2<14, 0, 0, (ops GPRC:$rD, symbolLo:$sym, GPRC:$rA),
def LA : DForm_2<14, 0, 0, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
"la $rD, $sym($rA)">;
def LOADHiAddr : DForm_2<15, 0, 0, (ops GPRC:$rD, GPRC:$rA, symbolHi:$sym),
"addis $rD, $rA, $sym">;