//
//	<go.link.addmoduledata>:
//		larl  %r2, <local.moduledata>
//		jg    <runtime.addmoduledata@plt>
//		undef
//
// The job of appending the moduledata is delegated to runtime.addmoduledata.
func gentext(ctxt *ld.Link, ldr *loader.Loader) {
	initfunc, addmoduledata := ld.PrepareAddmoduledata(ctxt)
	if initfunc == nil {
		return
	}

	// larl %r2, <local.moduledata>
	initfunc.AddUint8(0xc0)

	"CMPBLE",
	"CMPBLT",
	"CMPBNE",
	"CMPUBEQ",
	"CMPUBGE",
	"CMPUBGT",
	"CMPUBLE",
	"CMPUBLT",
	"CMPUBNE",
	"MVC",
	"MVCIN",
	"CLC",
	"XC",
	"OC",
	"NC",
	"EXRL",
	"LARL",
	"LA",
	"LAY",
	"LAA",
	"LAAG",
	"LAAL",
	"LAALG",
	"LAN",
	"LANG",
	"LAX",
	"LAXG",
	"LAO",
	"LAOG",
	"LMY",
	"LMG",
	"STMY",
	"STMG",
	"STCK",
	"STCKC",

	"KTESTD",
	"KTESTQ",
	"KTESTW",
	"KUNPCKBW",
	"KUNPCKDQ",
	"KUNPCKWD",
	"KXNORB",
	"KXNORD",
	"KXNORQ",
	"KXNORW",
	"KXORB",
	"KXORD",
	"KXORQ",
	"KXORW",
	"LAHF",
	"LARL",
	"LARQ",
	"LARW",
	"LDDQU",
	"LDMXCSR",
	"LEAL",
	"LEAQ",
	"LEAVEL",
	"LEAVEQ",
	"LEAVEW",
	"LEAW",
	"LFENCE",
	"LFSL",
	"LFSQ",
	"LFSW",
	"LGDT",
	"LGSL",

//     2. Loads and stores using relative addressing require the data be aligned
//        according to its size (8-bytes for double words, 4-bytes for words
//        and so on).
//
//    We can always work around these by inserting LARL instructions (load address
//    relative long) in the assembler, but typically this results in worse code
//    generation because the address can't be re-used. Inserting instructions in the

	LARW R11, R11                           // 66450f02db
	LARL (BX), DX                           // 0f0213
	LARL (R11), DX                          // 410f0213
	LARL DX, DX                             // 0f02d2
	LARL R11, DX                            // 410f02d3
	LARL (BX), R11                          // 440f021b
	LARL (R11), R11                         // 450f021b
	LARL DX, R11                            // 440f02da

  => ((SUB|SUBW) (SL(D|W)const <t> x [uint8(log32(-c&^(-c-1)))])
                 (SL(D|W)const <t> x [uint8(log32(-c+(-c&^(-c-1))))]))

// Fold ADD into MOVDaddr. Odd offsets from SB shouldn't be folded (LARL can't handle them).
(ADDconst [c] (MOVDaddr [d] {s} x:(SB))) && ((c+d)&1 == 0) && is32Bit(int64(c)+int64(d)) => (MOVDaddr [c+d] {s} x)

	case 85: // load address relative long
		v := c.regoff(&p.From)
		if p.From.Sym == nil {
			if (v & 1) != 0 {
				c.ctxt.Diag("cannot use LARL with odd offset: %v", v)
			}
		} else {
			c.addrilreloc(p.From.Sym, int64(v))
			v = 0
		}
		zRIL(_b, op_LARL, uint32(p.To.Reg), uint32(v>>1), asm)

	case 86: // load address