| // 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.ir.code; |
| |
| import com.android.tools.r8.cf.code.CfArithmeticBinop; |
| import com.android.tools.r8.dex.code.DexInstruction; |
| import com.android.tools.r8.dex.code.DexMulDouble; |
| import com.android.tools.r8.dex.code.DexMulDouble2Addr; |
| import com.android.tools.r8.dex.code.DexMulFloat; |
| import com.android.tools.r8.dex.code.DexMulFloat2Addr; |
| import com.android.tools.r8.dex.code.DexMulInt; |
| import com.android.tools.r8.dex.code.DexMulInt2Addr; |
| import com.android.tools.r8.dex.code.DexMulIntLit16; |
| import com.android.tools.r8.dex.code.DexMulIntLit8; |
| import com.android.tools.r8.dex.code.DexMulLong; |
| import com.android.tools.r8.dex.code.DexMulLong2Addr; |
| |
| public class Mul extends ArithmeticBinop { |
| |
| public Mul(NumericType type, Value dest, Value left, Value right) { |
| super(type, dest, left, right); |
| } |
| |
| @Override |
| public int opcode() { |
| return Opcodes.MUL; |
| } |
| |
| @Override |
| public <T> T accept(InstructionVisitor<T> visitor) { |
| return visitor.visit(this); |
| } |
| |
| @Override |
| public boolean isCommutative() { |
| return true; |
| } |
| |
| @Override |
| public DexInstruction CreateInt(int dest, int left, int right) { |
| // Flip arguments if dest and right are the same to work around x86 code generation bug on |
| // Android L. See https://android-review.googlesource.com/#/c/114932/ for the fix for Android |
| // M. |
| return dest == right ? new DexMulInt(dest, right, left) : new DexMulInt(dest, left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateLong(int dest, int left, int right) { |
| // Flip arguments if dest and right are the same to work around x86 code generation bug on |
| // Android L. See https://android-review.googlesource.com/#/c/114932/ for the fix for Android |
| // M. |
| return dest == right ? new DexMulLong(dest, right, left) : new DexMulLong(dest, left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateFloat(int dest, int left, int right) { |
| // Flip arguments if dest and right are the same to work around x86 code generation bug on |
| // Android L. See https://android-review.googlesource.com/#/c/114932/ for the fix for Android |
| // M. |
| return dest == right ? new DexMulFloat(dest, right, left) : new DexMulFloat(dest, left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateDouble(int dest, int left, int right) { |
| // Flip arguments if dest and right are the same to work around x86 code generation bug on |
| // Android L. See https://android-review.googlesource.com/#/c/114932/ for the fix for Android |
| // M. |
| return dest == right |
| ? new DexMulDouble(dest, right, left) |
| : new DexMulDouble(dest, left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateInt2Addr(int left, int right) { |
| return new DexMulInt2Addr(left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateLong2Addr(int left, int right) { |
| return new DexMulLong2Addr(left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateFloat2Addr(int left, int right) { |
| return new DexMulFloat2Addr(left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateDouble2Addr(int left, int right) { |
| return new DexMulDouble2Addr(left, right); |
| } |
| |
| @Override |
| public DexInstruction CreateIntLit8(int dest, int left, int constant) { |
| return new DexMulIntLit8(dest, left, constant); |
| } |
| |
| @Override |
| public DexInstruction CreateIntLit16(int dest, int left, int constant) { |
| return new DexMulIntLit16(dest, left, constant); |
| } |
| |
| @Override |
| public boolean identicalNonValueNonPositionParts(Instruction other) { |
| return other.isMul() && other.asMul().type == type; |
| } |
| |
| @Override |
| int foldIntegers(int left, int right) { |
| return left * right; |
| } |
| |
| @Override |
| long foldLongs(long left, long right) { |
| return left * right; |
| } |
| |
| @Override |
| float foldFloat(float left, float right) { |
| return left * right; |
| } |
| |
| @Override |
| double foldDouble(double left, double right) { |
| return left * right; |
| } |
| |
| @Override |
| public boolean isMul() { |
| return true; |
| } |
| |
| @Override |
| public Mul asMul() { |
| return this; |
| } |
| |
| @Override |
| CfArithmeticBinop.Opcode getCfOpcode() { |
| return CfArithmeticBinop.Opcode.Mul; |
| } |
| } |