}
	var addrBase int64
	if cu != nil {
		addrBase, _ = cu.Val(AttrAddrBase).(int64)
	}

	buf := makeBuf(d, u, "rnglists", 0, d.rngLists)
	buf.skip(int(ranges))
	for {
		opcode := buf.uint8()
		switch opcode {
		case rleEndOfList:
			if buf.err != nil {
				return nil, buf.err
			}
			return ret, nil

		case rleBaseAddressx:
			baseIdx := buf.uint()
			var err error

	PLATFORM_TVOS        MachoPlatform = 3
	PLATFORM_WATCHOS     MachoPlatform = 4
	PLATFORM_BRIDGEOS    MachoPlatform = 5
	PLATFORM_MACCATALYST MachoPlatform = 6
)

// rebase table opcode
const (
	REBASE_TYPE_POINTER         = 1
	REBASE_TYPE_TEXT_ABSOLUTE32 = 2
	REBASE_TYPE_TEXT_PCREL32    = 3

	REBASE_OPCODE_MASK                               = 0xF0

				canHaveAuxInt = true
				canHaveAux = true
			case auxCCop:
				if opcodeTable[Op(v.AuxInt)].name == "OpInvalid" {
					f.Fatalf("value %v has an AuxInt value that is a valid opcode", v)
				}
				canHaveAuxInt = true
			case auxS390XCCMask:
				if _, ok := v.Aux.(s390x.CCMask); !ok {
					f.Fatalf("bad type %T for S390XCCMask in %v", v.Aux, v)
				}
				canHaveAux = true

		s.used.ireg |= 1 << (REGTMP - REG_R0)
	}

	ar := 0  /* dest is really reference */
	ad := 0  /* source/dest is really address */
	ld := 0  /* opcode is load instruction */
	sz := 20 /* size of load/store for overlap computation */

	/*
	 * flags based on opcode
	 */
	switch p.As {
	case obj.ATEXT:
		c.autosize = int32(p.To.Offset + 8)
		ad = 1

	case AJAL:
		r := p.Reg
		if r == 0 {

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package json

// JSON value parser state machine.
// Just about at the limit of what is reasonable to write by hand.
// Some parts are a bit tedious, but overall it nicely factors out the
// otherwise common code from the multiple scanning functions
// in this package (Compact, Indent, checkValid, etc).

	m := asmOpcode.FindStringSubmatch(line)
	if m == nil {
		if !strings.HasPrefix(strings.TrimSpace(line), "//") {
			badf("cannot find assembly opcode")
		}
		return
	}

	addr := strings.HasPrefix(expr, "$")

	// Determine operand sizes from instruction.
	// Typically the suffix suffices, but there are exceptions.
	var src, dst, kind asmKind

	instructions["B"] = obj.AJMP
	instructions["BL"] = obj.ACALL
	// MCR differs from MRC by the way fields of the word are encoded.
	// (Details in arm.go). Here we add the instruction so parse will find
	// it, but give it an opcode number known only to us.
	instructions["MCR"] = aMCR

	return &Arch{
		LinkArch:       &arm.Linkarm,
		Instructions:   instructions,
		Register:       register,
		RegisterPrefix: registerPrefix,

//
// Here is an example of C/C++ bit field use, along with what to
// expect in terms of DWARF bit offset info. Consider this code:
//
//	struct S {
//		int q;
//		int j:5;
//		int k:6;
//		int m:5;
//		int n:8;
//	} s;
//
// For the code above, one would expect to see the following for
// DW_AT_bit_offset values (using GCC 8):
//
//	       Little   |     Big

		p.To.Offset = v.AuxInt
	case ssa.Op386DUFFCOPY:
		p := s.Prog(obj.ADUFFCOPY)
		p.To.Type = obj.TYPE_ADDR
		p.To.Sym = ir.Syms.Duffcopy
		p.To.Offset = v.AuxInt

	case ssa.OpCopy: // TODO: use MOVLreg for reg->reg copies instead of OpCopy?
		if v.Type.IsMemory() {
			return
		}
		x := v.Args[0].Reg()
		y := v.Reg()
		if x != y {
			opregreg(s, moveByType(v.Type), y, x)
		}
	case ssa.OpLoadReg:

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"fmt"
)

// Notes:
//  - Boolean types occupy the entire register. 0=false, 1=true.

// Suffixes encode the bit width of various instructions:
//
// D (double word) = 64 bit int
// W (word)        = 32 bit int
// H (half word)   = 16 bit int