rel.Off = int32(c.pc)
			rel.Siz = 4
			rel.Sym = p.To.Sym
			rel.Add = p.To.Offset
			rel.Type = objabi.R_ADDR
			o1 = 0
		}

	case 15: /* mul/mneg/umulh/umull r,[r,]r; madd/msub/fmadd/fmsub/fnmadd/fnmsub Rm,Ra,Rn,Rd */
		o1 = c.oprrr(p, p.As)

		rf := int(p.From.Reg)
		rt := int(p.To.Reg)
		var r int
		var ra int
		if p.From3Type() == obj.TYPE_REG {
			r = int(p.GetFrom3().Reg)

		{name: "FADDD", argLength: 2, reg: fp21, asm: "FADDD", commutative: true},   // arg0 + arg1
		{name: "FSUBS", argLength: 2, reg: fp21, asm: "FSUBS"},                      // arg0 - arg1
		{name: "FSUBD", argLength: 2, reg: fp21, asm: "FSUBD"},                      // arg0 - arg1
		{name: "FMULS", argLength: 2, reg: fp21, asm: "FMULS", commutative: true},   // arg0 * arg1

	SUBW R20.UXTW<<2, R23, R19                 // f34a344b
	SUB R5.SXTW<<2, R1, R26                    // 3ac825cb
	SUB $(1923<<12), R4, R27                   // SUB $7876608, R4, R27         // 9b0c5ed1
	SUBW $(1923<<12), R4, R27                  // SUBW $7876608, R4, R27        // 9b0c5e51
	SUBW R12<<29, R7, R8                       // e8740c4b
	SUB R12<<61, R7, R8                        // e8f40ccb

	"℗":                          "\u2117",
	"↵":                           "\u21b5",
	"✗":                           "\u2717",
	"𝒸":                            "\U0001d4b8",
	"⫏":                            "\u2acf",
	"⫑":                           "\u2ad1",
	"⫐":                            "\u2ad0",
	"⫒":                           "\u2ad2",

In that directory is a file <code>a.out.go</code>; it contains
a long list of constants starting with <code>A</code>, like this:
</p>

<pre>
const (
	AAND = obj.ABaseARM + obj.A_ARCHSPECIFIC + iota
	AEOR
	ASUB
	ARSB
	AADD
	...
</pre>

<p>
This is the list of instructions and their spellings as known to the assembler and linker for that architecture.

		v.reset(OpARM64MADDW)
		v.AddArg3(a, x, y)
		return true
	}
	// match: (SUB x x)
	// result: (MOVDconst [0])
	for {
		x := v_0
		if x != v_1 {
			break
		}
		v.reset(OpARM64MOVDconst)
		v.AuxInt = int64ToAuxInt(0)
		return true
	}
	// match: (SUB x (SUB y z))
	// result: (SUB (ADD <v.Type> x z) y)
	for {
		x := v_0
		if v_1.Op != OpARM64SUB {
			break

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	v_0 := v.Args[0]
	b := v.Block
	// match: (NEG (SUB x y))
	// result: (SUB y x)
	for {
		if v_0.Op != OpRISCV64SUB {
			break
		}
		y := v_0.Args[1]
		x := v_0.Args[0]
		v.reset(OpRISCV64SUB)
		v.AddArg2(y, x)
		return true
	}
	// match: (NEG <t> s:(ADDI [val] (SUB x y)))
	// cond: s.Uses == 1 && is32Bit(-val)
	// result: (ADDI [-val] (SUB <t> y x))
	for {
		t := v.Type
		s := v_0