| // Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.code; |
| |
| import com.android.tools.r8.dex.Constants; |
| import com.android.tools.r8.dex.IndexedItemCollection; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.graph.ObjectToOffsetMapping; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.ir.conversion.LensCodeRewriterUtils; |
| import com.android.tools.r8.naming.ClassNameMapper; |
| import com.android.tools.r8.utils.structural.CompareToVisitor; |
| import com.android.tools.r8.utils.structural.StructuralSpecification; |
| import java.nio.ShortBuffer; |
| |
| abstract class Format12x extends Base1Format { |
| |
| public final byte A, B; |
| |
| private static void specify(StructuralSpecification<Format12x, ?> spec) { |
| spec.withInt(i -> i.A).withInt(i -> i.B); |
| } |
| |
| // vB | vA | op |
| Format12x(int high, BytecodeStream stream) { |
| super(stream); |
| A = (byte) (high & 0xF); |
| B = (byte) ((high >> 4) & 0xF); |
| } |
| |
| Format12x(int A, int B) { |
| assert 0 <= A && A <= Constants.U4BIT_MAX; |
| assert 0 <= B && B <= Constants.U4BIT_MAX; |
| this.A = (byte) A; |
| this.B = (byte) B; |
| } |
| |
| @Override |
| public void write( |
| ShortBuffer dest, |
| ProgramMethod context, |
| GraphLens graphLens, |
| ObjectToOffsetMapping mapping, |
| LensCodeRewriterUtils rewriter) { |
| writeFirst(B, A, dest); |
| } |
| |
| @Override |
| public final int hashCode() { |
| return ((A << 4) | B) ^ getClass().hashCode(); |
| } |
| |
| @Override |
| final int internalAcceptCompareTo(Instruction other, CompareToVisitor visitor) { |
| return visitor.visit(this, (Format12x) other, Format12x::specify); |
| } |
| |
| |
| @Override |
| public String toString(ClassNameMapper naming) { |
| return formatString("v" + A + ", v" + B); |
| } |
| |
| @Override |
| public String toSmaliString(ClassNameMapper naming) { |
| return formatSmaliString("v" + A + ", v" + B); |
| } |
| |
| @Override |
| public void collectIndexedItems( |
| IndexedItemCollection indexedItems, |
| ProgramMethod context, |
| GraphLens graphLens, |
| LensCodeRewriterUtils rewriter) { |
| // No references. |
| } |
| } |