// s390x:-"MOVW",-"SRD"
	p.b = uint32(x)
}
func store16le(p *struct{ a, b uint16 }, x uint32) {
	// amd64:"MOVL",-"MOVW",-"SHRL"
	// arm64:"MOVW",-"MOVH",-"UBFX"
	// ppc64le:"MOVW",-"MOVH",-"SRW"
	p.a = uint16(x)
	// amd64:-"MOVW",-"SHRL"
	// arm64:-"MOVH",-"UBFX"
	// ppc64le:-"MOVH",-"SRW"
	p.b = uint16(x >> 16)
}
func store16be(p *struct{ a, b uint16 }, x uint32) {
	// ppc64:"MOVW",-"MOVH",-"SRW"

	// 386:"BSWAPL"
	// s390x:"MOVWBR"
	// arm64:"REVW"
	// ppc64x/power10: "BRW"
	return bits.ReverseBytes32(n)
}

func ReverseBytes16(n uint16) uint16 {
	// amd64:"ROLW"
	// arm64:"REV16W",-"UBFX",-"ORR"
	// arm/5:"SLL","SRL","ORR"
	// arm/6:"REV16"
	// arm/7:"REV16"
	// ppc64x/power10: "BRH"
	return bits.ReverseBytes16(n)
}

// --------------------- //
//    bits.RotateLeft    //

			if rno <= uint16(WZR) {
				op += "W"
			}
		}
		args[1], args[2] = args[2], args[1]

	case STLXRB, STLXRH, STXRB, STXRH:
		args[1], args[2] = args[2], args[1]

	case BFI, BFXIL, SBFIZ, SBFX, UBFIZ, UBFX:
		if r, ok := inst.Args[0].(Reg); ok {
			rno := uint16(r)
			if rno <= uint16(WZR) {
				op += "W"
			}
		}
		args[1], args[2], args[3] = args[3], args[1], args[2]

	case LDAXP, LDXP:

	ANDS R17<<11, R24, ZR                      // 1f2f11ea
	UBFIZW $3, R19, $14, R14                   // 6e361d53
	UBFIZ $3, R22, $14, R4                     // c4367dd3
	UBFXW $3, R7, $20, R15                     // ef580353
	UBFX $33, R17, $25, R5                     // 25e661d3
	UDIVW R8, R21, R15                         // af0ac81a
	UDIV R2, R19, R21                          // 750ac29a
	UMADDL R0, R20, R17, R17                   // 3152a09b