// ppc64x/power10:"ADD\t[$]1234567,"
	// ppc64x/power9:"ADDIS\t[$]19,", "ADD\t[$]-10617,"
	// ppc64x/power8:"ADDIS\t[$]19,", "ADD\t[$]-10617,"
	out[2] = a + 1234567
	// ppc64x/power10:"ADD\t[$]-1234567,"
	// ppc64x/power9:"ADDIS\t[$]-19,", "ADD\t[$]10617,"
	// ppc64x/power8:"ADDIS\t[$]-19,", "ADD\t[$]10617,"
	out[3] = a - 1234567
	// ppc64x/power10:"ADD\t[$]2147450879,"
	// ppc64x/power9:"ADDIS\t[$]32767,", "ADD\t[$]32767,"

	// arm64:"CSNEG\tLS"
	// ppc64x:"ISEL\t[$]1"
	// wasm:"Select"
	return x
}

func cmov32bit(x, y uint32) uint32 {
	if x < y {
		x = -y
	}
	// amd64:"CMOVL(HI|CS)"
	// arm64:"CSNEG\t(LS|HS)"
	// ppc64x:"ISEL\t[$]1"
	// wasm:"Select"
	return x
}

func cmov16bit(x, y uint16) uint16 {
	if x < y {
		x = -y
	}
	// amd64:"CMOVW(HI|CS)"
	// arm64:"CSNEG\t(LS|HS)"
	// ppc64x:"ISEL\t[$][01]"

	c3 := sw.w[1<<28]
	// ppc64x:`MOVWZ\s+\(R[0-9]+\)\(R[0-9]+\),\sR[0-9]+`
	d3 := sw.w[1<<29]
	// ppc64x:`MOVD\s+[0-9]+\(R[0-9]+\)`,-`ADD`
	a4 := sd.d[1<<10]
	// ppc64le/power10:`MOVD\s+[0-9]+\(R[0-9]+\)`,-`ADD`
	// ppc64x/power9:`ADD`,`MOVD\s+\(R[0-9]+\),\sR[0-9]+`
	// ppc64x/power8:`ADD`,`MOVD\s+\(R[0-9]+\),\sR[0-9]+`
	b4 := sd.d[1<<16]
	// ppc64le/power10`:`MOVD\s+[0-9]+\(R[0-9]+\)`,-`ADD`

	// amd64:-".*memmove"
	// ppc64x:-".*memmove"
	// ppc64x/power8:"LXVD2X"
	// ppc64x/power9:"LXV",-"LXVD2X"
	copy(s[:], b[:])
	runtime.KeepAlive(&s)
}

func moveDisjointNoOverlap(a *[256]byte) {
	// s390x:-".*memmove"
	// amd64:-".*memmove"
	// ppc64x:-".*memmove"
	// ppc64x/power8:"LXVD2X"
	// ppc64x/power9:"LXV",-"LXVD2X"
	copy(a[:], a[128:])
}

// Check arch-specific memmove lowering. See issue 41662 fot details

	b := x != y
	return b
}
func TestSetLt64(x uint64, y uint64) bool {
	// ppc64x/power10:"SETBC\tCR0GT",-"ISEL"
	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0GT"
	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0GT"
	b := x < y
	return b
}
func TestSetLe64(x uint64, y uint64) bool {
	// ppc64x/power10:"SETBCR\tCR0LT",-"ISEL"
	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0LT"

	// ppc64x/power8:"FMOVS\t[$]f32\\.42440000\\(SB\\)"
	// ppc64x/power9:"FMOVS\t[$]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
}

	// ppc64x:-`.*runtime\.memclrNoHeapPointers`
	// ppc64x:-`.*runtime\.makeslice`
	// ppc64x:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, uint64(1<<2))...)
}

func SliceExtensionConstUint(s []int) []int {
	// amd64:-`.*runtime\.memclrNoHeapPointers`
	// amd64:-`.*runtime\.makeslice`
	// amd64:-`.*runtime\.panicmakeslicelen`
	// amd64:"MOVUPS\tX15"
	// ppc64x:-`.*runtime\.memclrNoHeapPointers`

	// s390x:"FLOGR"
	// ppc64x/power8:"ANDN","POPCNTD"
	// ppc64x/power9: "CNTTZD"
	// wasm:"I64Ctz"
	return bits.TrailingZeros(n)
}

func TrailingZeros64(n uint64) int {
	// amd64/v1,amd64/v2:"BSFQ","MOVL\t\\$64","CMOVQEQ"
	// amd64/v3:"TZCNTQ"
	// 386:"BSFL"
	// arm64:"RBIT","CLZ"
	// s390x:"FLOGR"
	// ppc64x/power8:"ANDN","POPCNTD"
	// ppc64x/power9: "CNTTZD"
	// wasm:"I64Ctz"

	// ppc64x: "MOVD\t[$]-1", "RLDC\tR[0-9]+, [$]44, [$]63,"
	out[0] = 0xFFFFF00000000001
	// ppc64x: "MOVD\t[$]-1", "RLDC\tR[0-9]+, [$]43, [$]63,"
	out[1] = 0xFFFFF80000000001
	// ppc64x: "MOVD\t[$]-1", "RLDC\tR[0-9]+, [$]43, [$]4,"
	out[2] = 0x0FFFF80000000000
	// ppc64x/power8: "MOVD\t[$]-1", "RLDC\tR[0-9]+, [$]33, [$]63,"
	// ppc64x/power9: "MOVD\t[$]-1", "RLDC\tR[0-9]+, [$]33, [$]63,"
	// ppc64x/power10: "MOVD\t[$]-8589934591,"

	// ppc64x:-".*MOVW"
	f := int32(v >> 32)
	// ppc64x:".*MOVW"
	f += int32(v >> 31)
	// ppc64x:-".*MOVH"
	g := int16(v >> 48)
	// ppc64x:".*MOVH"
	g += int16(v >> 30)
	// ppc64x:-".*MOVH"
	g += int16(f >> 16)
	// ppc64x:-".*MOVB"
	h := int8(v >> 56)
	// ppc64x:".*MOVB"
	h += int8(v >> 28)
	// ppc64x:-".*MOVB"
	h += int8(f >> 24)
	// ppc64x:".*MOVB"
	h += int8(f >> 16)