buf[n-2] = '\x00'
		buf[n-1] = '\x00'
	}
}

func bmIndexRuneUnicode(rt *unicode.RangeTable, needle rune) func(b *testing.B, n int) {
	var rs []rune
	for _, r16 := range rt.R16 {
		for r := rune(r16.Lo); r <= rune(r16.Hi); r += rune(r16.Stride) {
			if r != needle {
				rs = append(rs, r)
			}
		}
	}
	for _, r32 := range rt.R32 {
		for r := rune(r32.Lo); r <= rune(r32.Hi); r += rune(r32.Stride) {

	// Duplicate general-purpose register to vector
	VMOVQ		R4, V2.B16      // 82009f72
	VMOVQ		R5, V3.H8       // a3049f72
	VMOVQ		R6, V4.W4       // c4089f72
	VMOVQ		R7, V5.V2       // e50c9f72
	XVMOVQ		R16, X31.B32    // 1f029f76
	XVMOVQ		R17, X28.H16    // 3c069f76
	XVMOVQ		R18, X10.W8     // 4a0a9f76
	XVMOVQ		R19, X9.V4      // 690e9f76

	// Move vector
	XVMOVQ		X0, X31.B32     // 1f000777