Java Code Examples for org.objectweb.asm.Opcodes#FADD

The following examples show how to use org.objectweb.asm.Opcodes#FADD . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ReturnValuesMutator.java    From pitest with Apache License 2.0 6 votes vote down vote up 
/**
 * Mutates a primitive float return (<code>Opcode.FRETURN</code>). The
 * strategy used was translated from jumble BCEL code. The following is
 * complicated by the problem of <tt>NaN</tt>s. By default the new value is
 * <code>-(x + 1)</code>, but this doesn't work for <tt>NaN</tt>s. But for a
 * <tt>NaN</tt> <code>x != x</code> is true, and we use this to detect them.
 *
 * @see #mutatePrimitiveDoubleReturn()
 */
private void mutatePrimitiveFloatReturn() {
  if (shouldMutate("primitive float", "(x != NaN)? -(x + 1) : -1 ")) {
    final Label label = new Label();

    super.visitInsn(Opcodes.DUP);
    super.visitInsn(Opcodes.DUP);
    super.visitInsn(Opcodes.FCMPG);
    super.visitJumpInsn(Opcodes.IFEQ, label);

    super.visitInsn(Opcodes.POP);
    super.visitInsn(Opcodes.FCONST_0);

    // the following code is executed in NaN case, too
    super.visitLabel(label);
    super.visitInsn(Opcodes.FCONST_1);
    super.visitInsn(Opcodes.FADD);
    super.visitInsn(Opcodes.FNEG);
    super.visitInsn(Opcodes.FRETURN);
  }
}
Example 2
Source File: InstructionAssembler.java    From es6draft with MIT License 6 votes vote down vote up 
public final void add(Type type) {
    switch (type.getOpcode(Opcodes.IADD)) {
    case Opcodes.IADD:
        iadd();
        return;
    case Opcodes.LADD:
        ladd();
        return;
    case Opcodes.FADD:
        fadd();
        return;
    case Opcodes.DADD:
        dadd();
        return;
    default:
        throw new IllegalArgumentException();
    }
}
Example 3
Source File: AsmUtil.java    From Bats with Apache License 2.0 5 votes vote down vote up 
/**
 * Determine if the given opcode is an ADD of some kind (xADD).
 *
 * @param opcode the opcode
 * @return true if the opcode is one of the ADDs, false otherwise
 */
public static boolean isXadd(final int opcode) {
  switch(opcode) {
  case Opcodes.IADD:
  case Opcodes.DADD:
  case Opcodes.FADD:
  case Opcodes.LADD:
    return true;
  }

  return false;
}
Example 4
Source File: CompilerUtils.java    From jphp with Apache License 2.0 5 votes vote down vote up 
public static int getOperatorOpcode(OperatorExprToken operator, StackItem.Type type){
    if (operator instanceof PlusExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DADD;
            case FLOAT: return Opcodes.FADD;
            case LONG: return Opcodes.LADD;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.IADD;
        }
    }

    if (operator instanceof MinusExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DSUB;
            case FLOAT: return Opcodes.FSUB;
            case LONG: return Opcodes.LSUB;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.ISUB;
        }
    }

    if (operator instanceof MulExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DMUL;
            case FLOAT: return Opcodes.FMUL;
            case LONG: return Opcodes.LMUL;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.IMUL;
        }
    }

    throw new IllegalArgumentException("Unknown operator " + operator.getWord() + " for type " + type.name());
}
Example 5
Source File: BytecodeUtils.java    From turin-programming-language with Apache License 2.0 4 votes vote down vote up 
public static MathOperationBS createMathOperation(JvmTypeCategory operandsType, MathOperation.Operator operator) {
    int opcode;
    switch (operator) {
        case MULTIPLICATION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IMUL;
                    break;
                case LONG:
                    opcode = Opcodes.LMUL;
                    break;
                case FLOAT:
                    opcode = Opcodes.FMUL;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DMUL;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case SUM:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IADD;
                    break;
                case LONG:
                    opcode = Opcodes.LADD;
                    break;
                case FLOAT:
                    opcode = Opcodes.FADD;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DADD;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case SUBTRACTION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.ISUB;
                    break;
                case LONG:
                    opcode = Opcodes.LSUB;
                    break;
                case FLOAT:
                    opcode = Opcodes.FSUB;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DSUB;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case DIVISION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IDIV;
                    break;
                case LONG:
                    opcode = Opcodes.LDIV;
                    break;
                case FLOAT:
                    opcode = Opcodes.FDIV;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DDIV;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        default:
            throw new UnsupportedOperationException(operator.name());
    }
    return new MathOperationBS(opcode);
}
Example 6
Source File: ArithmeticExpression.java    From CodenameOne with GNU General Public License v2.0 4 votes vote down vote up 
public static boolean isBinaryOp(Instruction instr) {
    switch (instr.getOpcode()) {
        case Opcodes.ISHL:
        case Opcodes.ISHR:
        case Opcodes.LSHL:
        case Opcodes.LSHR:
        case Opcodes.IUSHR:
        case Opcodes.LUSHR:
        case Opcodes.DCMPG:
        case Opcodes.DCMPL:
        case Opcodes.FCMPG:
        case Opcodes.FCMPL:
        case Opcodes.LCMP:
        case Opcodes.IOR:
        case Opcodes.LOR:
        case Opcodes.IXOR:
        case Opcodes.LXOR:
        case Opcodes.IAND:
        case Opcodes.LAND:
        case Opcodes.FADD:
        case Opcodes.DADD:
        case Opcodes.IADD:
        case Opcodes.LADD:
        case Opcodes.FSUB:
        case Opcodes.DSUB:
        case Opcodes.ISUB:
        case Opcodes.LSUB:
        case Opcodes.FDIV:
        case Opcodes.DDIV:
        case Opcodes.LDIV:
        case Opcodes.IDIV:
        case Opcodes.IREM:
        case Opcodes.FREM:
        case Opcodes.DREM:
        case Opcodes.LREM:
        case Opcodes.FMUL:
        case Opcodes.DMUL:
        case Opcodes.IMUL:
        case Opcodes.LMUL:
            return true;
    }
    return false;
}
Example 7
Source File: ArithmeticExpression.java    From CodenameOne with GNU General Public License v2.0 4 votes vote down vote up 
public static boolean isArithmeticOp(Instruction instr) {
    
    switch (instr.getOpcode()) {
        case Opcodes.ISHL:
        case Opcodes.ISHR:
        case Opcodes.LSHL:
        case Opcodes.LSHR:
        case Opcodes.IUSHR:
        case Opcodes.LUSHR:
        
        case Opcodes.DCMPG:
        case Opcodes.DCMPL:
        case Opcodes.FCMPG:
        case Opcodes.FCMPL:
        case Opcodes.LCMP:
        case Opcodes.FNEG:
        case Opcodes.DNEG:
        case Opcodes.INEG:
        case Opcodes.D2F:
        case Opcodes.D2I:
        case Opcodes.D2L:
        case Opcodes.F2D:
        case Opcodes.F2I:
        case Opcodes.F2L:
        case Opcodes.L2D:
        case Opcodes.L2F:
        case Opcodes.L2I:
        case Opcodes.I2L:
        case Opcodes.I2B:
        case Opcodes.I2C:
        case Opcodes.I2D:
        case Opcodes.I2F:
        case Opcodes.I2S:
        case Opcodes.IOR:
        case Opcodes.LOR:
        case Opcodes.IXOR:
        case Opcodes.LXOR:
        case Opcodes.IAND:
        case Opcodes.LAND:
        case Opcodes.FADD:
        case Opcodes.DADD:
        case Opcodes.IADD:
        case Opcodes.LADD:
        case Opcodes.FSUB:
        case Opcodes.DSUB:
        case Opcodes.ISUB:
        case Opcodes.LSUB:
        case Opcodes.FDIV:
        case Opcodes.DDIV:
        case Opcodes.LDIV:
        case Opcodes.IDIV:
        case Opcodes.IREM:
        case Opcodes.FREM:
        case Opcodes.DREM:
        case Opcodes.LREM:
        case Opcodes.FMUL:
        case Opcodes.DMUL:
        case Opcodes.IMUL:
        case Opcodes.LMUL:
            return true;
    }
    return false;
}
Example 8
Source File: AOD1Mutator.java    From pitest with Apache License 2.0 4 votes vote down vote up 
@Override
public void visitInsn(int opcode) {
    switch (opcode) {
        case Opcodes.IADD:
        case Opcodes.ISUB:
        case Opcodes.IMUL:
        case Opcodes.IDIV:
        case Opcodes.IREM:
            if (this.shouldMutate("integer"))  {
                mv.visitInsn(Opcodes.POP);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.FADD:
        case Opcodes.FSUB:
        case Opcodes.FMUL:
        case Opcodes.FDIV:
        case Opcodes.FREM:
            if (this.shouldMutate("float"))  {
                mv.visitInsn(Opcodes.POP);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.LADD:
        case Opcodes.LSUB:
        case Opcodes.LMUL:
        case Opcodes.LDIV:
        case Opcodes.LREM:
            if (this.shouldMutate("long"))  {
                mv.visitInsn(Opcodes.POP2);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.DADD:
        case Opcodes.DSUB:
        case Opcodes.DMUL:
        case Opcodes.DDIV:
        case Opcodes.DREM:
            if (this.shouldMutate("double"))  {
                mv.visitInsn(Opcodes.POP2);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        default:
            mv.visitInsn(opcode);
            break;
    }
}