virtual bool ARMSelectBranch(const Instruction *I);
virtual bool ARMSelectCmp(const Instruction *I);
virtual bool ARMSelectFPExt(const Instruction *I);
+ virtual bool ARMSelectFPTrunc(const Instruction *I);
virtual bool ARMSelectBinaryOp(const Instruction *I, unsigned ISDOpcode);
virtual bool ARMSelectSIToFP(const Instruction *I);
virtual bool ARMSelectFPToSI(const Instruction *I);
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(Opc), ResultReg)
.addReg(Reg).addReg(0).addImm(Offset));
-
return true;
}
if (!ARMEmitStore(VT, SrcReg, Reg, Offset /* 0 */)) return false;
return false;
-
}
bool ARMFastISel::ARMSelectLoad(const Instruction *I) {
if (isFloat)
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(ARM::FMSTAT)));
+
+ // TODO: How to update the value map when there's no result reg?
return true;
}
unsigned Result = createResultReg(ARM::DPRRegisterClass);
+ AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
+ TII.get(ARM::VCVTSD), Result)
+ .addReg(Op));
+ UpdateValueMap(I, Result);
+ return true;
+}
+
+bool ARMFastISel::ARMSelectFPTrunc(const Instruction *I) {
+ // Make sure we have VFP and that we're truncating double to float.
+ if (!Subtarget->hasVFP2()) return false;
+
+ Value *V = I->getOperand(0);
+ if (!I->getType()->isFloatTy() ||
+ !V->getType()->isDoubleTy()) return false;
+
+ unsigned Op = getRegForValue(V);
+ if (Op == 0) return false;
+
+ unsigned Result = createResultReg(ARM::SPRRegisterClass);
+
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(ARM::VCVTDS), Result)
.addReg(Op));
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(Opc),
ResultReg)
.addReg(Op));
+ UpdateValueMap(I, ResultReg);
return true;
}
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(Opc),
ResultReg)
.addReg(Op));
+ UpdateValueMap(I, ResultReg);
return true;
}
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(Opc), ResultReg)
.addReg(Op1).addReg(Op2));
+ UpdateValueMap(I, ResultReg);
return true;
}
return ARMSelectCmp(I);
case Instruction::FPExt:
return ARMSelectFPExt(I);
+ case Instruction::FPTrunc:
+ return ARMSelectFPTrunc(I);
case Instruction::SIToFP:
return ARMSelectSIToFP(I);
case Instruction::FPToSI: