{name: "MOVWreg", argLength: 1, reg: gp11, asm: "MOVW", typ: "Int64"},   // sign extend int32 to int64
		{name: "MOVWZreg", argLength: 1, reg: gp11, asm: "MOVWZ", typ: "Int64"}, // zero extend uint32 to uint64

		// Load bytes in the endian order of the arch from arg0+aux+auxint into a 64 bit register.

}

func TrailingZeros32(n uint32) int {
	// amd64/v1,amd64/v2:"BTSQ\\t\\$32","BSFQ"
	// amd64/v3:"TZCNTL"
	// 386:"BSFL"
	// arm:"CLZ"
	// arm64:"RBITW","CLZW"
	// s390x:"FLOGR","MOVWZ"
	// ppc64x/power8:"ANDN","POPCNTW"
	// ppc64x/power9: "CNTTZW"
	// wasm:"I64Ctz"
	return bits.TrailingZeros32(n)
}

func TrailingZeros16(n uint16) int {
	// amd64:"BSFL","ORL\\t\\$65536"

				src = 4
			case "MOVV", "MOVD":
				src = 8
			}
		case "s390x":
			switch op {
			case "MOVB", "MOVBZ":
				src = 1
			case "MOVH", "MOVHZ":
				src = 2
			case "MOVW", "MOVWZ", "FMOVS":
				src = 4
			case "MOVD", "FMOVD":
				src = 8
			}
		}
	}
	if dst == 0 {
		dst = src
	}

	// Determine whether the match we're holding
	// is the first or second argument.

				p.From.Sym = ctxt.Float64Sym(f64)
				p.From.Name = obj.NAME_EXTERN
				p.From.Offset = 0
			}
		}

	case AMOVW, AMOVWZ:
		// Note, for backwards compatibility, MOVW $const, Rx and MOVWZ $const, Rx are identical.
		if p.From.Type == obj.TYPE_CONST && p.From.Offset != 0 && p.From.Offset&0xFFFF == 0 {
			// This is a constant shifted 16 bits to the left, convert it to ADDIS/ORIS $const,...
			p.As = AADDIS