- case X86::V_SETALLONES: LowerUnaryToTwoAddr(OutMI, X86::PCMPEQDrr); break;
- case X86::AVX_SET0PSY: LowerUnaryToTwoAddr(OutMI, X86::VXORPSYrr); break;
- case X86::AVX_SET0PDY: LowerUnaryToTwoAddr(OutMI, X86::VXORPDYrr); break;
- case X86::AVX_SETALLONES: LowerUnaryToTwoAddr(OutMI, X86::VPCMPEQDrr); break;
- case X86::AVX2_SETALLONES: LowerUnaryToTwoAddr(OutMI, X86::VPCMPEQDYrr);break;
- case X86::AVX2_SET0: LowerUnaryToTwoAddr(OutMI, X86::VPXORYrr); break;
-
- case X86::MOV16r0:
- LowerSubReg32_Op0(OutMI, X86::MOV32r0); // MOV16r0 -> MOV32r0
- LowerUnaryToTwoAddr(OutMI, X86::XOR32rr); // MOV32r0 -> XOR32rr
+
+ case X86::MOV32ri64:
+ OutMI.setOpcode(X86::MOV32ri);
+ break;
+
+ // Commute operands to get a smaller encoding by using VEX.R instead of VEX.B
+ // if one of the registers is extended, but other isn't.
+ case X86::VMOVAPDrr:
+ case X86::VMOVAPDYrr:
+ case X86::VMOVAPSrr:
+ case X86::VMOVAPSYrr:
+ case X86::VMOVDQArr:
+ case X86::VMOVDQAYrr:
+ case X86::VMOVDQUrr:
+ case X86::VMOVDQUYrr:
+ case X86::VMOVUPDrr:
+ case X86::VMOVUPDYrr:
+ case X86::VMOVUPSrr:
+ case X86::VMOVUPSYrr: {
+ if (!X86II::isX86_64ExtendedReg(OutMI.getOperand(0).getReg()) &&
+ X86II::isX86_64ExtendedReg(OutMI.getOperand(1).getReg())) {
+ unsigned NewOpc;
+ switch (OutMI.getOpcode()) {
+ default: llvm_unreachable("Invalid opcode");
+ case X86::VMOVAPDrr: NewOpc = X86::VMOVAPDrr_REV; break;
+ case X86::VMOVAPDYrr: NewOpc = X86::VMOVAPDYrr_REV; break;
+ case X86::VMOVAPSrr: NewOpc = X86::VMOVAPSrr_REV; break;
+ case X86::VMOVAPSYrr: NewOpc = X86::VMOVAPSYrr_REV; break;
+ case X86::VMOVDQArr: NewOpc = X86::VMOVDQArr_REV; break;
+ case X86::VMOVDQAYrr: NewOpc = X86::VMOVDQAYrr_REV; break;
+ case X86::VMOVDQUrr: NewOpc = X86::VMOVDQUrr_REV; break;
+ case X86::VMOVDQUYrr: NewOpc = X86::VMOVDQUYrr_REV; break;
+ case X86::VMOVUPDrr: NewOpc = X86::VMOVUPDrr_REV; break;
+ case X86::VMOVUPDYrr: NewOpc = X86::VMOVUPDYrr_REV; break;
+ case X86::VMOVUPSrr: NewOpc = X86::VMOVUPSrr_REV; break;
+ case X86::VMOVUPSYrr: NewOpc = X86::VMOVUPSYrr_REV; break;
+ }
+ OutMI.setOpcode(NewOpc);
+ }