(Eq8 (Mod8u x (Const8  [c])) (Const8 [0])) && x.Op != OpConst8 && udivisibleOK8(c) && !hasSmallRotate(config) =>
	(Eq32 (Mod32u <typ.UInt32> (ZeroExt8to32 <typ.UInt32> x) (Const32 <typ.UInt32> [int32(uint8(c))])) (Const32 <typ.UInt32> [0]))
(Eq16 (Mod16u x (Const16  [c])) (Const16 [0])) && x.Op != OpConst16 && udivisibleOK16(c) && !hasSmallRotate(config) =>

	}
	if logopt.Enabled() {
		logopt.LogOpt(pos, "copy", "lower", funcName, fmt.Sprintf("%d bytes", s))
	}
}

// hasSmallRotate reports whether the architecture has rotate instructions
// for sizes < 32-bit.  This is used to decide whether to promote some rotations.
func hasSmallRotate(c *Config) bool {
	switch c.arch {
	case "amd64", "386":
		return true
	default:
		return false
	}
}

			v.reset(OpConstBool)
			v.AuxInt = boolToAuxInt(c == d)
			return true
		}
		break
	}
	// match: (Eq16 (Mod16u x (Const16 [c])) (Const16 [0]))
	// cond: x.Op != OpConst16 && udivisibleOK16(c) && !hasSmallRotate(config)
	// result: (Eq32 (Mod32u <typ.UInt32> (ZeroExt16to32 <typ.UInt32> x) (Const32 <typ.UInt32> [int32(uint16(c))])) (Const32 <typ.UInt32> [0]))
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {