- case cShort: {
- // Promote arg to 32 bits wide into a temporary register...
- unsigned R = makeAnotherReg(Type::UIntTy);
- promote32(R, Args[i]);
- addRegOffset(BuildMI(BB, X86::MOVmr32, 5),
- X86::ESP, ArgOffset).addReg(R);
+ case cShort:
+ if (Args[i].Val && isa<ConstantInt>(Args[i].Val)) {
+ // Zero/Sign extend constant, then stuff into memory.
+ ConstantInt *Val = cast<ConstantInt>(Args[i].Val);
+ Val = cast<ConstantInt>(ConstantExpr::getCast(Val, Type::IntTy));
+ addRegOffset(BuildMI(BB, X86::MOV32mi, 5), X86::ESP, ArgOffset)
+ .addImm(Val->getRawValue() & 0xFFFFFFFF);
+ } else {
+ // Promote arg to 32 bits wide into a temporary register...
+ ArgReg = makeAnotherReg(Type::UIntTy);
+ promote32(ArgReg, Args[i]);
+ addRegOffset(BuildMI(BB, X86::MOV32mr, 5),
+ X86::ESP, ArgOffset).addReg(ArgReg);
+ }