setOperationAction(ISD::ADD, MVT::v8i8, Legal);
setOperationAction(ISD::ADD, MVT::v4i16, Legal);
setOperationAction(ISD::ADD, MVT::v2i32, Legal);
+ setOperationAction(ISD::ADD, MVT::v1i64, Legal);
setOperationAction(ISD::SUB, MVT::v8i8, Legal);
setOperationAction(ISD::SUB, MVT::v4i16, Legal);
else if (VT == MVT::i8)
return std::make_pair(0U, X86::GR8RegisterClass);
break;
- // FIXME: not handling MMX registers yet ('y' constraint).
+ case 'y': // MMX_REGS if MMX allowed.
+ if (!Subtarget->hasMMX()) break;
+ return std::make_pair(0U, X86::VR64RegisterClass);
+ break;
case 'Y': // SSE_REGS if SSE2 allowed
if (!Subtarget->hasSSE2()) break;
// FALL THROUGH.