virtual bool ARMSelectStore(const Instruction *I);
virtual bool ARMSelectBranch(const Instruction *I);
virtual bool ARMSelectCmp(const Instruction *I);
+ virtual bool ARMSelectFPExt(const Instruction *I);
// Utility routines.
private:
return true;
}
+bool ARMFastISel::ARMSelectFPExt(const Instruction *I) {
+ // Make sure we have VFP and that we're extending float to double.
+ if (!Subtarget->hasVFP2()) return false;
+
+ Value *V = I->getOperand(0);
+ if (!I->getType()->isDoubleTy() ||
+ !V->getType()->isFloatTy()) return false;
+
+ unsigned Op = getRegForValue(V);
+ if (Op == 0) return false;
+
+ unsigned Result = createResultReg(ARM::DPRRegisterClass);
+
+ AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
+ TII.get(ARM::VCVTDS), Result)
+ .addReg(Op));
+ UpdateValueMap(I, Result);
+ return true;
+}
+
// TODO: SoftFP support.
bool ARMFastISel::TargetSelectInstruction(const Instruction *I) {
// No Thumb-1 for now.
case Instruction::ICmp:
case Instruction::FCmp:
return ARMSelectCmp(I);
+ case Instruction::FPExt:
+ return ARMSelectFPExt(I);
default: break;
}
return false;