1 // Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file 2 // for details. All rights reserved. Use of this source code is governed by a 3 // BSD-style license that can be found in the LICENSE file. 4 package com.android.tools.r8.code; 5 6 import com.android.tools.r8.dex.Constants; 7 import com.android.tools.r8.dex.IndexedItemCollection; 8 import com.android.tools.r8.graph.ObjectToOffsetMapping; 9 import com.android.tools.r8.naming.ClassNameMapper; 10 import java.nio.ShortBuffer; 11 12 public abstract class Format31t extends Base3Format { 13 14 public final int AA; 15 protected /* offset */ int BBBBBBBB; 16 17 // vAA | op | +BBBBlo | +BBBBhi Format31t(int high, BytecodeStream stream)18 Format31t(int high, BytecodeStream stream) { 19 super(stream); 20 AA = high; 21 BBBBBBBB = readSigned32BitValue(stream); 22 } 23 Format31t(int register, int payloadOffset)24 Format31t(int register, int payloadOffset) { 25 assert 0 <= register && register <= Constants.U8BIT_MAX; 26 AA = register; 27 BBBBBBBB = payloadOffset; 28 } 29 write(ShortBuffer dest, ObjectToOffsetMapping mapping)30 public void write(ShortBuffer dest, ObjectToOffsetMapping mapping) { 31 writeFirst(AA, dest); 32 assert (getOffset() + BBBBBBBB) % 2 == 0; 33 write32BitValue(BBBBBBBB, dest); 34 } 35 hasPayload()36 public boolean hasPayload() { 37 return true; 38 } 39 getPayloadOffset()40 public int getPayloadOffset() { 41 return BBBBBBBB; 42 } 43 setPayloadOffset(int offset)44 public void setPayloadOffset(int offset) { 45 BBBBBBBB = offset; 46 } 47 hashCode()48 public final int hashCode() { 49 return ((BBBBBBBB << 8) | AA) ^ getClass().hashCode(); 50 } 51 equals(Object other)52 public final boolean equals(Object other) { 53 if (other == null || (this.getClass() != other.getClass())) { 54 return false; 55 } 56 Format31t o = (Format31t) other; 57 return o.AA == AA && o.BBBBBBBB == BBBBBBBB; 58 } 59 toString(ClassNameMapper naming)60 public String toString(ClassNameMapper naming) { 61 return formatString("v" + AA + ", +" + BBBBBBBB + " (" + (getOffset() + BBBBBBBB) + ")"); 62 } 63 64 @Override collectIndexedItems(IndexedItemCollection indexedItems)65 public void collectIndexedItems(IndexedItemCollection indexedItems) { 66 // No references. 67 } 68 } 69