(CMPLconstload {sym} [vo] ptr mem) => (CMPLconst (MOVLload {sym} [vo.Off()] ptr mem) [vo.Val()])
(CMPWconstload {sym} [vo] ptr mem) => (CMPWconst (MOVWload {sym} [vo.Off()] ptr mem) [vo.Val16()])

(CMPWconstload {sym} [vo] ptr mem) && vo.Val() != 0 => (CMPWconst (MOVWload {sym} [vo.Off()] ptr mem) [vo.Val16()])
(CMPBconstload {sym} [vo] ptr mem) && vo.Val() != 0 => (CMPBconst (MOVBload {sym} [vo.Off()] ptr mem) [vo.Val8()])

(CMP(Q|L|W|B)loadidx1 {sym} [off] ptr idx x mem) => (CMP(Q|L|W|B) (MOV(Q|L|W|B)loadidx1 {sym} [off] ptr idx mem) x)

}
func rewriteValue386splitload_Op386CMPBconstload(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (CMPBconstload {sym} [vo] ptr mem)
	// result: (CMPBconst (MOVBload {sym} [vo.Off()] ptr mem) [vo.Val8()])
	for {
		vo := auxIntToValAndOff(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		mem := v_1
		v.reset(Op386CMPBconst)
		v.AuxInt = int8ToAuxInt(vo.Val8())

(CMPBconst (MOVLconst [x]) [y]) && int8(x)==y => (FlagEQ)
(CMPBconst (MOVLconst [x]) [y]) && int8(x)<y && uint8(x)<uint8(y) => (FlagLT_ULT)
(CMPBconst (MOVLconst [x]) [y]) && int8(x)<y && uint8(x)>uint8(y) => (FlagLT_UGT)
(CMPBconst (MOVLconst [x]) [y]) && int8(x)>y && uint8(x)<uint8(y) => (FlagGT_ULT)
(CMPBconst (MOVLconst [x]) [y]) && int8(x)>y && uint8(x)>uint8(y) => (FlagGT_UGT)

		x.AuxInt = int32ToAuxInt(vo.Off())
		x.Aux = symToAux(sym)
		x.AddArg2(ptr, mem)
		v.AddArg2(x, x)
		return true
	}
	// match: (CMPBconstload {sym} [vo] ptr mem)
	// cond: vo.Val() != 0
	// result: (CMPBconst (MOVBload {sym} [vo.Off()] ptr mem) [vo.Val8()])
	for {
		vo := auxIntToValAndOff(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		mem := v_1
		if !(vo.Val() != 0) {
			break
		}
		v.reset(OpAMD64CMPBconst)

	// match: (CMPB x (MOVLconst [c]))
	// result: (CMPBconst x [int8(c)])
	for {
		x := v_0
		if v_1.Op != Op386MOVLconst {
			break
		}
		c := auxIntToInt32(v_1.AuxInt)
		v.reset(Op386CMPBconst)
		v.AuxInt = int8ToAuxInt(int8(c))
		v.AddArg(x)
		return true
	}
	// match: (CMPB (MOVLconst [c]) x)
	// result: (InvertFlags (CMPBconst x [int8(c)]))
	for {
		if v_0.Op != Op386MOVLconst {

	// match: (CMPB x (MOVLconst [c]))
	// result: (CMPBconst x [int8(c)])
	for {
		x := v_0
		if v_1.Op != OpAMD64MOVLconst {
			break
		}
		c := auxIntToInt32(v_1.AuxInt)
		v.reset(OpAMD64CMPBconst)
		v.AuxInt = int8ToAuxInt(int8(c))
		v.AddArg(x)
		return true
	}
	// match: (CMPB (MOVLconst [c]) x)
	// result: (InvertFlags (CMPBconst x [int8(c)]))
	for {
		if v_0.Op != OpAMD64MOVLconst {

		{name: "CMPWconst", argLength: 1, reg: gp1flags, asm: "CMPW", typ: "Flags", aux: "Int16"}, // arg0 compare to auxint
		{name: "CMPBconst", argLength: 1, reg: gp1flags, asm: "CMPB", typ: "Flags", aux: "Int8"},  // arg0 compare to auxint

		// compare *(arg0+auxint+aux) to arg1 (in that order). arg2=mem.

		{name: "CMPLconst", argLength: 1, reg: gp1flags, asm: "CMPL", typ: "Flags", aux: "Int32"},
		{name: "CMPWconst", argLength: 1, reg: gp1flags, asm: "CMPW", typ: "Flags", aux: "Int16"},
		{name: "CMPBconst", argLength: 1, reg: gp1flags, asm: "CMPB", typ: "Flags", aux: "Int8"},

		// CMPxload: compare *(arg0+auxint+aux) to arg1 (in that order). arg2=mem.

		auxType: auxInt16,
		argLen:  1,
		asm:     x86.ACMPW,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 255}, // AX CX DX BX SP BP SI DI
			},
		},
	},
	{
		name:    "CMPBconst",
		auxType: auxInt8,
		argLen:  1,
		asm:     x86.ACMPB,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 255}, // AX CX DX BX SP BP SI DI
			},
		},
	},
	{