com.sun.org.apache.bcel.internal.generic.DLOAD Java Examples

The following examples show how to use com.sun.org.apache.bcel.internal.generic.DLOAD. 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: MethodGenerator.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #2
Source File: MethodGenerator.java    From jdk1.8-source-analysis with Apache License 2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #3
Source File: MethodGenerator.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #4
Source File: MethodGenerator.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #5
Source File: MethodGenerator.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #6
Source File: MethodGenerator.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #7
Source File: MethodGenerator.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #8
Source File: MethodGenerator.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #9
Source File: MethodGenerator.java    From JDKSourceCode1.8 with MIT License 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #10
Source File: MethodGenerator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #11
Source File: MethodGenerator.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Helper method to generate an instance of a subclass of
 * {@link LoadInstruction} based on the specified {@link Type} that will
 * load the specified local variable
 * @param index the JVM stack frame index of the variable that is to be
 * loaded
 * @param type the {@link Type} of the variable
 * @return the generated {@link LoadInstruction}
 */
private static Instruction loadLocal(int index, Type type) {
    if (type == Type.BOOLEAN) {
       return new ILOAD(index);
    } else if (type == Type.INT) {
       return new ILOAD(index);
    } else if (type == Type.SHORT) {
       return new ILOAD(index);
    } else if (type == Type.LONG) {
       return new LLOAD(index);
    } else if (type == Type.BYTE) {
       return new ILOAD(index);
    } else if (type == Type.CHAR) {
       return new ILOAD(index);
    } else if (type == Type.FLOAT) {
       return new FLOAD(index);
    } else if (type == Type.DOUBLE) {
       return new DLOAD(index);
    } else {
       return new ALOAD(index);
    }
}
Example #12
Source File: RealType.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #13
Source File: RealType.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #14
Source File: RealType.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #15
Source File: RealType.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #16
Source File: RealType.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #17
Source File: RealType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #18
Source File: RealType.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #19
Source File: RealType.java    From JDKSourceCode1.8 with MIT License 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #20
Source File: RealType.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #21
Source File: RealType.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #22
Source File: RealType.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Translates a real into a non-synthesized boolean. It does not push a
 * 0 or a 1 but instead returns branchhandle list to be appended to the
 * false list. A NaN must be converted to "false".
 *
 * @see     com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized
 */
public FlowList translateToDesynthesized(ClassGenerator classGen,
                                         MethodGenerator methodGen,
                                         BooleanType type) {
    LocalVariableGen local;
    final FlowList flowlist = new FlowList();
    final ConstantPoolGen cpg = classGen.getConstantPool();
    final InstructionList il = methodGen.getInstructionList();

    // Store real into a local variable
    il.append(DUP2);
    local = methodGen.addLocalVariable("real_to_boolean_tmp",
                                       com.sun.org.apache.bcel.internal.generic.Type.DOUBLE,
                                       null, null);
    local.setStart(il.append(new DSTORE(local.getIndex())));

    // Compare it to 0.0
    il.append(DCONST_0);
    il.append(DCMPG);
    flowlist.add(il.append(new IFEQ(null)));

    //!!! call isNaN
    // Compare it to itself to see if NaN
    il.append(new DLOAD(local.getIndex()));
    local.setEnd(il.append(new DLOAD(local.getIndex())));
    il.append(DCMPG);
    flowlist.add(il.append(new IFNE(null)));        // NaN != NaN
    return flowlist;
}
Example #23
Source File: RealType.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #24
Source File: RealType.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #25
Source File: RealType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #26
Source File: RealType.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #27
Source File: RealType.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #28
Source File: RealType.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #29
Source File: RealType.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}
Example #30
Source File: RealType.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up 
public Instruction LOAD(int slot) {
    return new DLOAD(slot);
}