// ppc64x/power9:"FMOVS\t[$]f32\\.42440000\\(SB\\)"
	// ppc64x/power10:"XXSPLTIDP\t[$]1111752704,"
	return 49.0
}

func Float64Constant() float64 {
	// ppc64x/power8:"FMOVD\t[$]f64\\.4048800000000000\\(SB\\)"
	// ppc64x/power9:"FMOVD\t[$]f64\\.4048800000000000\\(SB\\)"
	// ppc64x/power10:"XXSPLTIDP\t[$]1111752704,"
	return 49.0
}

func Float32DenormalConstant() float32 {

	// amd64:"MOVSS\t[$]f32.3f800000\\(SB\\)"
	// s390x:"FMOVS\t[$]f32.3f800000\\(SB\\)"
	// ppc64x/power8:"FMOVS\t[$]f32.3f800000\\(SB\\)"
	// ppc64x/power9:"FMOVS\t[$]f32.3f800000\\(SB\\)"
	// ppc64x/power10:"XXSPLTIDP\t[$]1065353216, VS0"
	// arm64:"FMOVS\t[$]\\(1.0\\)"
	if x > math.Float32frombits(0x3f800000) {
		return -x
	}
	return x
}

func constantConvertInt32(x uint32) uint32 {
	// amd64:-"MOVSS"

		return true
	case name == "runtime.duffcopy":
		return true
	case strings.HasPrefix(name, "runtime.elf_"):
		return true
	default:
		return false
	}
}

// Try converting FMOVD/FMOVS to XXSPLTIDP. If it is converted,
// return true.
func convertFMOVtoXXSPLTIDP(p *obj.Prog) bool {
	if p.From.Type != obj.TYPE_FCONST || buildcfg.GOPPC64 < 10 {
		return false
	}
	v := p.From.Val.(float64)