+ if (VecVT.isFloatingPoint()) {
+ /* Handle some cases by swapping input operands. */
+ switch (CC) {
+ case ISD::SETLE: CC = ISD::SETGE; Swap = true; break;
+ case ISD::SETLT: CC = ISD::SETGT; Swap = true; break;
+ case ISD::SETOLE: CC = ISD::SETOGE; Swap = true; break;
+ case ISD::SETOLT: CC = ISD::SETOGT; Swap = true; break;
+ case ISD::SETUGE: CC = ISD::SETULE; Swap = true; break;
+ case ISD::SETUGT: CC = ISD::SETULT; Swap = true; break;
+ default: break;
+ }
+ /* Handle some cases by negating the result. */
+ switch (CC) {
+ case ISD::SETNE: CC = ISD::SETEQ; Negate = true; break;
+ case ISD::SETUNE: CC = ISD::SETOEQ; Negate = true; break;
+ case ISD::SETULE: CC = ISD::SETOGT; Negate = true; break;
+ case ISD::SETULT: CC = ISD::SETOGE; Negate = true; break;
+ default: break;
+ }
+ /* We have instructions implementing the remaining cases. */
+ switch (CC) {
+ case ISD::SETEQ:
+ case ISD::SETOEQ:
+ if (VecVT == MVT::v4f32)
+ return HasVSX ? PPC::XVCMPEQSP : PPC::VCMPEQFP;
+ else if (VecVT == MVT::v2f64)
+ return PPC::XVCMPEQDP;
+ break;
+ case ISD::SETGT:
+ case ISD::SETOGT:
+ if (VecVT == MVT::v4f32)
+ return HasVSX ? PPC::XVCMPGTSP : PPC::VCMPGTFP;
+ else if (VecVT == MVT::v2f64)
+ return PPC::XVCMPGTDP;
+ break;
+ case ISD::SETGE:
+ case ISD::SETOGE:
+ if (VecVT == MVT::v4f32)
+ return HasVSX ? PPC::XVCMPGESP : PPC::VCMPGEFP;
+ else if (VecVT == MVT::v2f64)
+ return PPC::XVCMPGEDP;
+ break;
+ default:
+ break;
+ }
+ llvm_unreachable("Invalid floating-point vector compare condition");
+ } else {
+ /* Handle some cases by swapping input operands. */
+ switch (CC) {
+ case ISD::SETGE: CC = ISD::SETLE; Swap = true; break;
+ case ISD::SETLT: CC = ISD::SETGT; Swap = true; break;
+ case ISD::SETUGE: CC = ISD::SETULE; Swap = true; break;
+ case ISD::SETULT: CC = ISD::SETUGT; Swap = true; break;
+ default: break;
+ }
+ /* Handle some cases by negating the result. */
+ switch (CC) {
+ case ISD::SETNE: CC = ISD::SETEQ; Negate = true; break;
+ case ISD::SETUNE: CC = ISD::SETUEQ; Negate = true; break;
+ case ISD::SETLE: CC = ISD::SETGT; Negate = true; break;
+ case ISD::SETULE: CC = ISD::SETUGT; Negate = true; break;
+ default: break;
+ }
+ /* We have instructions implementing the remaining cases. */
+ switch (CC) {
+ case ISD::SETEQ:
+ case ISD::SETUEQ:
+ if (VecVT == MVT::v16i8)
+ return PPC::VCMPEQUB;
+ else if (VecVT == MVT::v8i16)
+ return PPC::VCMPEQUH;
+ else if (VecVT == MVT::v4i32)
+ return PPC::VCMPEQUW;
+ break;
+ case ISD::SETGT:
+ if (VecVT == MVT::v16i8)
+ return PPC::VCMPGTSB;
+ else if (VecVT == MVT::v8i16)
+ return PPC::VCMPGTSH;
+ else if (VecVT == MVT::v4i32)
+ return PPC::VCMPGTSW;
+ break;
+ case ISD::SETUGT:
+ if (VecVT == MVT::v16i8)
+ return PPC::VCMPGTUB;
+ else if (VecVT == MVT::v8i16)
+ return PPC::VCMPGTUH;
+ else if (VecVT == MVT::v4i32)
+ return PPC::VCMPGTUW;
+ break;
+ default:
+ break;
+ }
+ llvm_unreachable("Invalid integer vector compare condition");