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// 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.code.If.Type;
import com.android.tools.r8.ir.code.ValueTypeConstraint;
import com.android.tools.r8.ir.conversion.IRBuilder;
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;
public abstract class Format22t extends Base2Format {
public final byte A;
public final byte B;
public /* offset */ short CCCC;
private static void specify(StructuralSpecification<Format22t, ?> spec) {
spec.withInt(i -> i.A).withInt(i -> i.B).withInt(i -> i.CCCC);
}
// vB | vA | op | +CCCC
Format22t(int high, BytecodeStream stream) {
super(stream);
A = (byte) (high & 0xf);
B = (byte) ((high >> 4) & 0xf);
CCCC = readSigned16BitValue(stream);
}
Format22t(int register1, int register2, int offset) {
assert 0 <= register1 && register1 <= Constants.U4BIT_MAX;
assert 0 <= register2 && register2 <= Constants.U4BIT_MAX;
assert Short.MIN_VALUE <= offset && offset <= Short.MAX_VALUE;
A = (byte) register1;
B = (byte) register2;
CCCC = (short) offset;
}
@Override
public void write(
ShortBuffer dest,
ProgramMethod context,
GraphLens graphLens,
ObjectToOffsetMapping mapping,
LensCodeRewriterUtils rewriter) {
writeFirst(B, A, dest);
write16BitValue(CCCC, dest);
}
@Override
public final int hashCode() {
return ((CCCC << 8) | (B << 4) | A) ^ getClass().hashCode();
}
@Override
final int internalAcceptCompareTo(Instruction other, CompareToVisitor visitor) {
return visitor.visit(this, (Format22t) other, Format22t::specify);
}
public abstract Type getType();
public abstract ValueTypeConstraint getOperandTypeConstraint();
@Override
public int[] getTargets() {
return new int[]{CCCC, getSize()};
}
@Override
public void buildIR(IRBuilder builder) {
int offset = getOffset();
int size = getSize();
builder.addIf(getType(), getOperandTypeConstraint(), A, B, offset + CCCC, offset + size);
}
@Override
public String toString(ClassNameMapper naming) {
return formatString("v" + A + ", v" + B + ", " + formatRelativeOffset(CCCC));
}
@Override
public String toSmaliString(ClassNameMapper naming) {
return formatSmaliString("v" + A + ", v" + B + ", :label_" + (getOffset() + CCCC));
}
@Override
public void collectIndexedItems(
IndexedItemCollection indexedItems,
ProgramMethod context,
GraphLens graphLens,
LensCodeRewriterUtils rewriter) {
// No references.
}
}