(And8  (And8  i:(Const8  <t>) z) x) && (z.Op != OpConst8  && x.Op != OpConst8)  => (And8  i (And8  <t> z x))

// x | (C | z) -> C | (x | z)
(Or64 (Or64 i:(Const64 <t>) z) x) && (z.Op != OpConst64 && x.Op != OpConst64) => (Or64 i (Or64 <t> z x))
(Or32 (Or32 i:(Const32 <t>) z) x) && (z.Op != OpConst32 && x.Op != OpConst32) => (Or32 i (Or32 <t> z x))

}
func rewriteValueMIPS_OpRotateLeft64(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (RotateLeft64 <t> x (MOVWconst [c]))
	// result: (Or64 (Lsh64x32 <t> x (MOVWconst [c&63])) (Rsh64Ux32 <t> x (MOVWconst [-c&63])))
	for {
		t := v.Type
		x := v_0
		if v_1.Op != OpMIPSMOVWconst {
			break
		}
		c := auxIntToInt32(v_1.AuxInt)

}
func rewriteValueMIPS64_OpRotateLeft64(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (RotateLeft64 <t> x (MOVVconst [c]))
	// result: (Or64 (Lsh64x64 <t> x (MOVVconst [c&63])) (Rsh64Ux64 <t> x (MOVVconst [-c&63])))
	for {
		t := v.Type
		x := v_0
		if v_1.Op != OpMIPS64MOVVconst {
			break
		}
		c := auxIntToInt64(v_1.AuxInt)