LDP.P	16(b_ptr), (acc0, acc1)
		CSEL	EQ, acc0, x0, x0
		CSEL	EQ, acc1, x1, x1
		LDP.P	16(b_ptr), (acc2, acc3)
		CSEL	EQ, acc2, x2, x2
		CSEL	EQ, acc3, x3, x3
		LDP.P	16(b_ptr), (acc4, acc5)
		CSEL	EQ, acc4, y0, y0
		CSEL	EQ, acc5, y1, y1
		LDP.P	16(b_ptr), (acc6, acc7)
		CSEL	EQ, acc6, y2, y2
		CSEL	EQ, acc7, y3, y3
		LDP.P	16(b_ptr), (acc0, acc1)
		CSEL	EQ, acc0, t0, t0
		CSEL	EQ, acc1, t1, t1

		r1 = val64 >> shift
	}
	if shift >= 0 && shift < 32 {
		// arm64:"LSR",-"CSEL"
		r2 = val32 >> shift
	}
	if shift >= 0 && shift < 16 {
		// arm64:"LSR",-"CSEL"
		r3 = val16 >> shift
	}
	if shift >= 0 && shift < 8 {
		// arm64:"LSR",-"CSEL"
		r4 = val8 >> shift
	}
	return r1, r2, r3, r4
}

}

// invertLessThanNoov checks (LessThanNoov (InvertFlags x)) is lowered as
// CMP, CSET, CSEL instruction sequence. InvertFlags are only generated under
// certain conditions, see canonLessThan, so if the code below does not
// generate an InvertFlags OP, this check may fail.
func invertLessThanNoov(p1, p2, p3 Point) bool {
	// arm64:`CMP`,`CSET`,`CSEL`
	return (p1.X-p3.X)*(p2.Y-p3.Y)-(p2.X-p3.X)*(p1.Y-p3.Y) < 0
}

	return bits.RotateLeft32(n, 9)
}

func RotateLeft16(n uint16, s int) uint16 {
	// amd64:"ROLW" 386:"ROLW"
	// arm64:"RORW",-"CSEL"
	return bits.RotateLeft16(n, s)
}

func RotateLeft8(n uint8, s int) uint8 {
	// amd64:"ROLB" 386:"ROLB"
	// arm64:"LSL","LSR",-"CSEL"
	return bits.RotateLeft8(n, s)
}

func RotateLeftVariable(n uint, m int) uint {
	// amd64:"ROLQ"
	// arm64:"ROR"