wantNoneReg(ctxt, ins, "rd", ins.rd)
	wantIntReg(ctxt, ins, "rs1", ins.rs1)
	wantIntReg(ctxt, ins, "rs2", ins.rs2)
	wantNoneReg(ctxt, ins, "rs3", ins.rs3)
}

func validateU(ctxt *obj.Link, ins *instruction) {
	wantImmI(ctxt, ins, ins.imm, 20)
	wantIntReg(ctxt, ins, "rd", ins.rd)
	wantNoneReg(ctxt, ins, "rs1", ins.rs1)
	wantNoneReg(ctxt, ins, "rs2", ins.rs2)
	wantNoneReg(ctxt, ins, "rs3", ins.rs3)

		return &inst{0x2f, 0x2, 0x0, -512, 0x70}
	case AAMOMIND:
		return &inst{0x2f, 0x3, 0x0, -2048, 0x40}
	case AAMOMINW:
		return &inst{0x2f, 0x2, 0x0, -2048, 0x40}
	case AAMOMINUD:
		return &inst{0x2f, 0x3, 0x0, -1024, 0x60}
	case AAMOMINUW:
		return &inst{0x2f, 0x2, 0x0, -1024, 0x60}
	case AAMOORD:
		return &inst{0x2f, 0x3, 0x0, 1024, 0x20}
	case AAMOORW:
		return &inst{0x2f, 0x2, 0x0, 1024, 0x20}
	case AAMOSWAPD:

		if isMem(inst.Args[0]) {
			unmarkImplicit(&inst, PrefixDataSize)
		}

	case SYSEXIT:
		unmarkImplicit(&inst, PrefixDataSize)
	}

	if isCondJmp[inst.Op] || isLoop[inst.Op] || inst.Op == JCXZ || inst.Op == JECXZ || inst.Op == JRCXZ {
		if countPrefix(&inst, PrefixCS) > 0 && countPrefix(&inst, PrefixDS) > 0 {
			for i, p := range inst.Prefix {
				switch p & 0xFFF {

 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Ints extends IntsMethodsForWeb {
  private Ints() {}

  /**
   * The number of bytes required to represent a primitive {@code int} value.
   *
   * <p><b>Java 8+ users:</b> use {@link Integer#BYTES} instead.
   */

// license that can be found in the LICENSE file.

// Package x86asm implements decoding of x86 machine code.
package x86asm

import (
	"bytes"
	"fmt"
)

// An Inst is a single instruction.
type Inst struct {
	Prefix   Prefixes // Prefixes applied to the instruction.
	Op       Op       // Opcode mnemonic
	Opcode   uint32   // Encoded opcode bits, left aligned (first byte is Opcode>>24, etc)

ines-course.jpg...

		if !crit.standardStatusAction(i == len(s.criteria)-1) {
			return false
		}
	}
	return true
}

// nssCriterion is the parsed structure of one of the criteria in brackets
// after an NSS source name.
type nssCriterion struct {
	negate bool   // if "!" was present
	status string // e.g. "success", "unavail" (lowercase)
	action string // e.g. "return", "continue" (lowercase)
}

 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Ints extends IntsMethodsForWeb {
  private Ints() {}

  /**
   * The number of bytes required to represent a primitive {@code int} value.
   *
   * <p><b>Java 8+ users:</b> use {@link Integer#BYTES} instead.
   */

	if op >= Op(len(opstr)) || opstr[op] == "" {
		return fmt.Sprintf("Op(%d)", int(op))
	}
	return opstr[op]
}

// An Inst is a single instruction.
type Inst struct {
	Op   Op     // Opcode mnemonic
	Enc  uint32 // Raw encoding bits.
	Args Args   // Instruction arguments, in ARM manual order.
}

func (i Inst) String() string {
	var args []string
	for _, arg := range i.Args {
		if arg == nil {
			break
		}

	if inst.Op == XCHG && inst.Opcode>>24 == 0x90 {
		if inst.Args[0] == RAX || inst.Args[0] == EAX || inst.Args[0] == AX {
			inst.Op = NOP
			if dataSizeIndex >= 0 {
				inst.Prefix[dataSizeIndex] &^= PrefixImplicit
			}
			inst.Args[0] = nil
			inst.Args[1] = nil
		}
		if repIndex >= 0 && inst.Prefix[repIndex] == 0xF3 {
			inst.Prefix[repIndex] |= PrefixImplicit