SHRQ $7, R11, R11                       // 4d0facdb07
	SHRXL R9, (BX), DX                      // c4e233f713
	SHRXL R9, (R11), DX                     // c4c233f713
	SHRXL R9, DX, DX                        // c4e233f7d2
	SHRXL R9, R11, DX                       // c4c233f7d3
	SHRXL R9, (BX), R11                     // c46233f71b
	SHRXL R9, (R11), R11                    // c44233f71b
	SHRXL R9, DX, R11                       // c46233f7da

		return true
	}
	// match: (BTLconst [0] s:(SHRL x y))
	// result: (BTL y x)
	for {
		if auxIntToInt8(v.AuxInt) != 0 {
			break
		}
		s := v_0
		if s.Op != OpAMD64SHRL {
			break
		}
		y := s.Args[1]
		x := s.Args[0]
		v.reset(OpAMD64BTL)
		v.AddArg2(y, x)
		return true
	}
	// match: (BTLconst [0] s:(SHRXL x y))
	// result: (BTL y x)
	for {