}

func UintLtZero(a uint8, b uint16, c uint32, d uint64) int {
	// amd64: -`(TESTB|TESTW|TESTL|TESTQ|JCC|JCS)`
	// arm64: -`(CMPW|CMP|BHS|BLO)`
	if a < 0 || b < 0 || c < 0 || d < 0 {
		return 1
	}
	return 0
}

func UintGeqZero(a uint8, b uint16, c uint32, d uint64) int {
	// amd64: -`(TESTB|TESTW|TESTL|TESTQ|JCS|JCC)`
	// arm64: -`(CMPW|CMP|BLO|BHS)`
	if a >= 0 || b >= 0 || c >= 0 || d >= 0 {
		return 1
	}

	// amd64:"TESTL"
	_ = x << v32
	// amd64:"TESTQ"
	_ = x << v64
}

// We want to avoid generating a test + panicshift for these cases.
func lshSignedMasked(v8 int8, v16 int16, v32 int32, v64 int64, x int) {
	// amd64:-"TESTB"
	_ = x << (v8 & 7)
	// amd64:-"TESTW"
	_ = x << (v16 & 15)
	// amd64:-"TESTL"
	_ = x << (v32 & 31)
	// amd64:-"TESTQ"
	_ = x << (v64 & 63)
}

// ------------------ //

	// 386:"TESTL\t[$]63",-"DIVL",-"SHRL"
	// amd64:"TESTQ\t[$]63",-"DIVQ",-"SHRQ"
	// arm:"AND\t[$]63",-".*udiv",-"SRA"
	// arm64:"TST\t[$]63",-"UDIV",-"ASR",-"AND"
	// ppc64x:"ANDCC",-"RLDICL",-"SRAD",-"CMP"
	a := n1%64 == 0 // signed divisible

	// 386:"TESTL\t[$]63",-"DIVL",-"SHRL"
	// amd64:"TESTQ\t[$]63",-"DIVQ",-"SHRQ"
	// arm:"AND\t[$]63",-".*udiv",-"SRA"