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[fast-isel] Rename isZExt to isSigned. No functional change intended. 

llvm-svn: 149714
This commit is contained in:
Chad Rosier 2012-02-03 21:14:11 +00:00
parent e9b60aaf1c
commit e023d5d7f3
1 changed files with 14 additions and 13 deletions
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27
llvm/lib/Target/ARM/ARMFastISel.cpp
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@ -161,8 +161,8 @@ class ARMFastISel : public FastISel {
bool SelectFPExt(const Instruction *I); bool SelectFPExt(const Instruction *I);
bool SelectFPTrunc(const Instruction *I); bool SelectFPTrunc(const Instruction *I);
bool SelectBinaryOp(const Instruction *I, unsigned ISDOpcode); bool SelectBinaryOp(const Instruction *I, unsigned ISDOpcode);
bool SelectIToFP(const Instruction *I, bool isZExt); bool SelectIToFP(const Instruction *I, bool isSigned);
bool SelectFPToI(const Instruction *I, bool isZExt); bool SelectFPToI(const Instruction *I, bool isSigned);
bool SelectDiv(const Instruction *I, bool isSigned); bool SelectDiv(const Instruction *I, bool isSigned);
bool SelectSRem(const Instruction *I); bool SelectSRem(const Instruction *I);
bool SelectCall(const Instruction *I, const char *IntrMemName); bool SelectCall(const Instruction *I, const char *IntrMemName);
@ -1535,7 +1535,7 @@ bool ARMFastISel::SelectFPTrunc(const Instruction *I) {
return true; return true;
} }
bool ARMFastISel::SelectIToFP(const Instruction *I, bool isZExt) { bool ARMFastISel::SelectIToFP(const Instruction *I, bool isSigned) {
// Make sure we have VFP. // Make sure we have VFP.
if (!Subtarget->hasVFP2()) return false; if (!Subtarget->hasVFP2()) return false;
@ -1555,7 +1555,8 @@ bool ARMFastISel::SelectIToFP(const Instruction *I, bool isZExt) {
// Handle sign-extension. // Handle sign-extension.
if (SrcVT == MVT::i16 || SrcVT == MVT::i8) { if (SrcVT == MVT::i16 || SrcVT == MVT::i8) {
EVT DestVT = MVT::i32; EVT DestVT = MVT::i32;
unsigned ResultReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT, isZExt); unsigned ResultReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT,
/*isZExt*/!isSigned);
if (ResultReg == 0) return false; if (ResultReg == 0) return false;
SrcReg = ResultReg; SrcReg = ResultReg;
} }
@ -1566,8 +1567,8 @@ bool ARMFastISel::SelectIToFP(const Instruction *I, bool isZExt) {
if (FP == 0) return false; if (FP == 0) return false;
unsigned Opc; unsigned Opc;
if (Ty->isFloatTy()) Opc = isZExt ? ARM::VUITOS : ARM::VSITOS; if (Ty->isFloatTy()) Opc = isSigned ? ARM::VSITOS : ARM::VUITOS;
else if (Ty->isDoubleTy()) Opc = isZExt ? ARM::VUITOD : ARM::VSITOD; else if (Ty->isDoubleTy()) Opc = isSigned ? ARM::VSITOD : ARM::VUITOD;
else return false; else return false;
unsigned ResultReg = createResultReg(TLI.getRegClassFor(DstVT)); unsigned ResultReg = createResultReg(TLI.getRegClassFor(DstVT));
@ -1578,7 +1579,7 @@ bool ARMFastISel::SelectIToFP(const Instruction *I, bool isZExt) {
return true; return true;
} }
bool ARMFastISel::SelectFPToI(const Instruction *I, bool isZExt) { bool ARMFastISel::SelectFPToI(const Instruction *I, bool isSigned) {
// Make sure we have VFP. // Make sure we have VFP.
if (!Subtarget->hasVFP2()) return false; if (!Subtarget->hasVFP2()) return false;
@ -1592,8 +1593,8 @@ bool ARMFastISel::SelectFPToI(const Instruction *I, bool isZExt) {
unsigned Opc; unsigned Opc;
Type *OpTy = I->getOperand(0)->getType(); Type *OpTy = I->getOperand(0)->getType();
if (OpTy->isFloatTy()) Opc = isZExt ? ARM::VTOUIZS : ARM::VTOSIZS; if (OpTy->isFloatTy()) Opc = isSigned ? ARM::VTOSIZS : ARM::VTOUIZS;
else if (OpTy->isDoubleTy()) Opc = isZExt ? ARM::VTOUIZD : ARM::VTOSIZD; else if (OpTy->isDoubleTy()) Opc = isSigned ? ARM::VTOSIZD : ARM::VTOUIZD;
else return false; else return false;
// f64->s32/u32 or f32->s32/u32 both need an intermediate f32 reg. // f64->s32/u32 or f32->s32/u32 both need an intermediate f32 reg.
@ -2449,13 +2450,13 @@ bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
case Instruction::FPTrunc: case Instruction::FPTrunc:
return SelectFPTrunc(I); return SelectFPTrunc(I);
case Instruction::SIToFP: case Instruction::SIToFP:
return SelectIToFP(I, /*isZExt*/ false); return SelectIToFP(I, /*isSigned*/ true);
case Instruction::UIToFP: case Instruction::UIToFP:
return SelectIToFP(I, /*isZExt*/ true); return SelectIToFP(I, /*isSigned*/ false);
case Instruction::FPToSI: case Instruction::FPToSI:
return SelectFPToI(I, /*isZExt*/ false); return SelectFPToI(I, /*isSigned*/ true);
case Instruction::FPToUI: case Instruction::FPToUI:
return SelectFPToI(I, /*isZExt*/ true); return SelectFPToI(I, /*isSigned*/ false);
case Instruction::FAdd: case Instruction::FAdd:
return SelectBinaryOp(I, ISD::FADD); return SelectBinaryOp(I, ISD::FADD);
case Instruction::FSub: case Instruction::FSub: