{name: "MOVBload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVB", typ: "Int8", faultOnNilArg0: true, symEffect: "Read"},     // load from arg0 + auxInt + aux.  arg1=mem.

		{name: "MOVBload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVB", typ: "Int8", faultOnNilArg0: true, symEffect: "Read"},     // load from arg0 + auxInt + aux.  arg1=mem.

		{name: "MOVDconst", reg: gp01, asm: "MOV", typ: "UInt64", aux: "Int64", rematerializeable: true}, // auxint

		// Loads: load <size> bits from arg0+auxint+aux and extend to 64 bits; arg1=mem
		{name: "MOVBload", argLength: 2, reg: gpload, asm: "MOVB", aux: "SymOff", typ: "Int8", faultOnNilArg0: true, symEffect: "Read"},     //  8 bits, sign extend

		return true
	}
	return false
}
func rewriteValueARM_OpARMMOVBload(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
	// result: (MOVBload [off1+off2] {sym} ptr mem)
	for {
		off1 := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		if v_0.Op != OpARMADDconst {
			break
		}

		return true
	}
	return false
}
func rewriteValueAMD64_OpAMD64MOVBQZX(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	// match: (MOVBQZX x:(MOVBload [off] {sym} ptr mem))
	// cond: x.Uses == 1 && clobber(x)
	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
	for {
		x := v_0
		if x.Op != OpAMD64MOVBload {
			break
		}
		off := auxIntToInt32(x.AuxInt)
		sym := auxToSym(x.Aux)

		{name: "MOVBload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVB", typ: "Int8", faultOnNilArg0: true, symEffect: "Read"},     // load from arg0 + auxInt + aux.  arg1=mem.

		ptr2 := v_1.Args[0]
		if !(isSamePtr(ptr1, ptr2)) {
			break
		}
		v.reset(OpS390XMOVBreg)
		v.AddArg(x)
		return true
	}
	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
	// cond: is20Bit(int64(off1)+int64(off2))
	// result: (MOVBload [off1+off2] {sym} ptr mem)
	for {
		off1 := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		if v_0.Op != OpS390XADDconst {
			break
		}

		// Note: LEAL{1,2,4,8} must not have OpSB as either argument.

		// auxint+aux == add auxint and the offset of the symbol in aux (if any) to the effective address
		{name: "MOVBload", argLength: 2, reg: gpload, asm: "MOVBLZX", aux: "SymOff", typ: "UInt8", faultOnNilArg0: true, symEffect: "Read"},  // load byte from arg0+auxint+aux. arg1=mem.  Zero extend.

		{name: "MOVBZload", argLength: 2, reg: gpload, asm: "MOVBZ", aux: "SymOff", typ: "UInt8", faultOnNilArg0: true, symEffect: "Read"},  // load byte from arg0+auxint+aux. arg1=mem.  Zero extend.
		{name: "MOVBload", argLength: 2, reg: gpload, asm: "MOVB", aux: "SymOff", faultOnNilArg0: true, symEffect: "Read"},                  // ditto, sign extend to int64

		{name: "MOVBload", argLength: 2, reg: gpload, aux: "SymOff", asm: "MOVB", typ: "Int8", faultOnNilArg0: true, symEffect: "Read"},       // load from arg0 + auxInt + aux.  arg1=mem.