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* Convert load/store opcodes from register to immediate forms.

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* Stop code from wrapping to the next line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6566 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2003-06-03 03:21:58 +00:00
parent c559e0590b
commit ea481ccc8f
1 changed files with 11 additions and 9 deletions
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20
lib/Target/SparcV9/SparcV9InstrSelection.cpp
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@ -2228,15 +2228,16 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
// float-to-int instructions to pass the value as an int.
// To check if it is in teh first $K$, get the register
// number for the arg #i.
int copyRegNum = regInfo.regNumForIntArg(false, false,
argNo, regClassIDOfArgReg);
int copyRegNum = regInfo.regNumForIntArg(false, false, argNo,
regClassIDOfArgReg);
if (copyRegNum != regInfo.getInvalidRegNum()) {
// Create a virtual register to represent copyReg. Mark
// this vreg as being an implicit operand of the call MI
const Type* loadTy = (argType == Type::FloatTy
? Type::IntTy : Type::LongTy);
TmpInstruction* argVReg= new TmpInstruction(mcfi,loadTy,
argVal, NULL, "argRegCopy");
TmpInstruction* argVReg = new TmpInstruction(mcfi, loadTy,
argVal, NULL,
"argRegCopy");
callMI->addImplicitRef(argVReg);
// Get a temp stack location to use to copy
@ -2251,22 +2252,23 @@ GetInstructionsByRule(InstructionNode* subtreeRoot,
int tmpOffset = MF.getInfo()->allocateLocalVar(argVReg);
// Generate the store from FP reg to stack
M = BuildMI(ChooseStoreInstruction(argType), 3)
unsigned StoreOpcode = ChooseStoreInstruction(argType);
M = BuildMI(convertOpcodeFromRegToImm(StoreOpcode), 3)
.addReg(argVal).addMReg(regInfo.getFramePointer())
.addSImm(tmpOffset);
mvec.push_back(M);
// Generate the load from stack to int arg reg
M = BuildMI(ChooseLoadInstruction(loadTy), 3)
unsigned LoadOpcode = ChooseLoadInstruction(loadTy);
M = BuildMI(convertOpcodeFromRegToImm(LoadOpcode), 3)
.addMReg(regInfo.getFramePointer()).addSImm(tmpOffset)
.addReg(argVReg, MOTy::Def);
// Mark operand with register it should be assigned
// both for copy and for the callMI
M->SetRegForOperand(M->getNumOperands()-1, copyRegNum);
callMI->SetRegForImplicitRef(
callMI->getNumImplicitRefs()-1, copyRegNum);
callMI->SetRegForImplicitRef(callMI->getNumImplicitRefs()-1,
copyRegNum);
mvec.push_back(M);
// Add info about the argument to the CallArgsDescriptor