{name: "RORWconst", argLength: 1, reg: gp11, asm: "RORW", aux: "Int64"},   // uint32(arg0) right rotate by auxInt bits, auxInt should be in the range 0 to 31.
		{name: "EXTRconst", argLength: 2, reg: gp21, asm: "EXTR", aux: "Int64"},   // extract 64 bits from arg0:arg1 starting at lsb auxInt, auxInt should be in the range 0 to 63.

	case ssa.OpPPC64ISEL, ssa.OpPPC64ISELZ:
		// ISEL  AuxInt ? arg0 : arg1
		// ISELZ is a special case of ISEL where arg1 is implicitly $0.
		//
		// AuxInt value indicates conditions 0=LT 1=GT 2=EQ 3=SO 4=GE 5=LE 6=NE 7=NSO.
		// ISEL accepts a CR bit argument, not a condition as expressed by AuxInt.
		// Convert the condition to a CR bit argument by the following conversion:
		//
		// AuxInt&3 ? arg0 : arg1 for conditions LT, GT, EQ, SO

func DecodePPC64RotateMask(sauxint int64) (rotate, mb, me int64, mask uint64) {
	auxint := uint64(sauxint)
	rotate = int64((auxint >> 16) & 0xFF)
	mb = int64((auxint >> 8) & 0xFF)
	me = int64((auxint >> 0) & 0xFF)
	nbits := int64((auxint >> 24) & 0xFF)
	mask = ((1 << uint(nbits-mb)) - 1) ^ ((1 << uint(nbits-me)) - 1)
	if mb > me {
		mask = ^mask
	}
	if nbits == 32 {

(SRWconst (ANDconst [m] x) [s]) && mergePPC64RShiftMask(m>>uint(s),s,32) == 0 => (MOVDconst [0])
(SRWconst (ANDconst [m] x) [s]) && mergePPC64AndSrwi(m>>uint(s),s) != 0 => (RLWINM [mergePPC64AndSrwi(m>>uint(s),s)] x)
(SRWconst (AND (MOVDconst [m]) x) [s]) && mergePPC64RShiftMask(m>>uint(s),s,32) == 0 => (MOVDconst [0])
(SRWconst (AND (MOVDconst [m]) x) [s]) && mergePPC64AndSrwi(m>>uint(s),s) != 0 => (RLWINM [mergePPC64AndSrwi(m>>uint(s),s)] x)

	}
	synthesizeOpIntFloatArg := func(n *ir.Name, t *types.Type, reg abi.RegIndex, sl LocalSlot) *Value {
		aux := &AuxNameOffset{n, sl.Off}
		op, auxInt := ArgOpAndRegisterFor(reg, f.ABISelf)
		v := f.newValueNoBlock(op, t, pos)
		v.AuxInt = auxInt
		v.Aux = aux
		v.Args = nil
		v.Block = f.Entry
		newValues = append(newValues, v)
		addToNV(v, sl)

			}
		}
	}

	const maxInt = int(^uint(0) >> 1)

	runTestCases("", []testCase{
		0: {"--", -2147483647, "negative"},
		1: {"", maxInt, ""},
		2: {"-", 10, ""},
		3: {"gopher", 0, ""},
		4: {"-", -1, "negative"},
		5: {"--", -102, "negative"},
		6: {string(make([]byte, 255)), int((^uint(0))/255 + 1), "overflow"},
	})

      filter_i8_value_attr =
          mlir::cast<DenseFPElementsAttr>(filter_value)
              .mapValues(rewriter.getI8Type(), [](const APFloat& val) -> APInt {
                APSInt convertedInt(/*BitWidth=*/8, /*isUnsigned=*/false);
                bool ignored;
                val.convertToInteger(convertedInt, APFloat::rmTowardZero,
                                     &ignored);

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								if sdat, err := sect.Data(); err == nil {
									data := sdat[s.Value-sect.Addr:]
									strlen := bo.Uint64(data[:8])
									if strlen > (1<<(uint(p.IntSize*8)-1) - 1) { // greater than MaxInt?
										fatalf("string literal too big")
									}
									strlens[n] = int(strlen)
								}
							}
						}
						break
					}
				}
			}