Example usage for org.objectweb.asm Opcodes F2D

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes F2D.

Prototype

int F2D

To view the source code for org.objectweb.asm Opcodes F2D.

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Usage

From source file:org.spongepowered.despector.emitter.bytecode.instruction.BytecodeCastEmitter.java

License:Open Source License

@Override
public void emit(BytecodeEmitterContext ctx, Cast arg, TypeSignature type) {
    MethodVisitor mv = ctx.getMethodVisitor();
    ctx.emitInstruction(arg.getValue(), null);
    TypeSignature to = arg.getType();//www  . j av  a 2 s  .  c  o m
    TypeSignature from = arg.getValue().inferType();
    if (to == ClassTypeSignature.INT) {
        if (from == ClassTypeSignature.LONG) {
            mv.visitInsn(Opcodes.L2I);
        } else if (from == ClassTypeSignature.FLOAT) {
            mv.visitInsn(Opcodes.F2I);
        } else if (from == ClassTypeSignature.DOUBLE) {
            mv.visitInsn(Opcodes.D2I);
        }
    } else if (to == ClassTypeSignature.LONG) {
        if (from == ClassTypeSignature.INT) {
            mv.visitInsn(Opcodes.I2L);
        } else if (from == ClassTypeSignature.FLOAT) {
            mv.visitInsn(Opcodes.F2L);
        } else if (from == ClassTypeSignature.DOUBLE) {
            mv.visitInsn(Opcodes.D2L);
        }
    } else if (to == ClassTypeSignature.FLOAT) {
        if (from == ClassTypeSignature.LONG) {
            mv.visitInsn(Opcodes.L2F);
        } else if (from == ClassTypeSignature.INT) {
            mv.visitInsn(Opcodes.I2F);
        } else if (from == ClassTypeSignature.DOUBLE) {
            mv.visitInsn(Opcodes.D2F);
        }
    } else if (to == ClassTypeSignature.DOUBLE) {
        if (from == ClassTypeSignature.LONG) {
            mv.visitInsn(Opcodes.L2D);
        } else if (from == ClassTypeSignature.FLOAT) {
            mv.visitInsn(Opcodes.F2D);
        } else if (from == ClassTypeSignature.INT) {
            mv.visitInsn(Opcodes.I2D);
        }
    }
    mv.visitTypeInsn(Opcodes.CHECKCAST, to.getDescriptor());
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode/*from   w ww. jav a  2  s  . co m*/
 * @param s
 */
static void handleJVMInsn(int opcode, JVMStackState s) {
    BaseType o1;
    BaseType o2;
    BaseType o3;
    List<BaseType> l1;
    List<BaseType> l2;
    switch (opcode) {
    case Opcodes.NOP:
        break;

    case Opcodes.ARRAYLENGTH:
        o1 = s.pop();
        s.push(new BasicConstant(Type.INT_TYPE, 0, !(o1 != null && !o1.isTainted())));
        break;
    case Opcodes.ACONST_NULL:
        s.push(new BasicConstant(Type.VOID_TYPE, "<null>")); //$NON-NLS-1$
        break;
    case Opcodes.ICONST_M1:
    case Opcodes.ICONST_0:
    case Opcodes.ICONST_1:
    case Opcodes.ICONST_2:
    case Opcodes.ICONST_3:
    case Opcodes.ICONST_4:
    case Opcodes.ICONST_5:
        s.push(new BasicConstant(Type.INT_TYPE, opcode - 3));
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        s.push(new BasicConstant(Type.LONG_TYPE, opcode - 9L));
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        s.push(new BasicConstant(Type.FLOAT_TYPE, opcode - 11f));
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        s.push(new BasicConstant(Type.DOUBLE_TYPE, opcode - 14d));
        break;
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD:
        o1 = s.pop();
        o2 = s.pop();
        s.push(new BasicVariable(toType(opcode), "primitive array elem", //$NON-NLS-1$
                (o1 == null || o1.isTainted()) | (o2 == null || o2.isTainted())));
        break;

    case Opcodes.AALOAD:
        o1 = s.pop();
        o2 = s.pop();
        if (o1 != null && o2 instanceof SimpleType && ((SimpleType) o2).getType().toString().startsWith("[")) { //$NON-NLS-1$
            Type atype = Type.getType(((SimpleType) o2).getType().toString().substring(1));
            if (o2.getAlternativeTypes() != null && !o2.getAlternativeTypes().isEmpty()) {
                s.clear();
                break;
            }
            s.push(new BasicVariable(atype, "array elem " + atype, o1.isTainted() | o2.isTainted())); //$NON-NLS-1$
        } else {
            s.clear();
        }
        break;

    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
        s.pop(3);
        break;

    case Opcodes.POP2:
        s.pop();
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        s.pop();
        break;

    case Opcodes.DUP:
        if (!s.isEmpty()) {
            o1 = s.pop();
            s.push(o1);
            s.push(o1);
        }
        break;
    case Opcodes.DUP_X1:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP_X2:
        o1 = s.pop();
        o2 = s.pop();
        o3 = s.pop();
        s.push(o1);
        s.push(o3);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP2:
        l1 = s.popWord();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X1:
        l1 = s.popWord();
        o1 = s.pop();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.push(o1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X2:
        l1 = s.popWord();
        l2 = s.popWord();
        if (l1.isEmpty() || l2.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l2);
            s.pushWord(l1);
        }
        break;

    case Opcodes.SWAP:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        break;

    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.IAND:
    case Opcodes.LAND:
    case Opcodes.IOR:
    case Opcodes.LOR:
    case Opcodes.IXOR:
    case Opcodes.LXOR:
    case Opcodes.LCMP:
    case Opcodes.FCMPL:
    case Opcodes.FCMPG:
    case Opcodes.DCMPL:
    case Opcodes.DCMPG:
        s.merge(2);
        break;

    case Opcodes.ISHL:
    case Opcodes.LSHL:
    case Opcodes.ISHR:
    case Opcodes.LSHR:
    case Opcodes.IUSHR:
    case Opcodes.LUSHR:
        s.pop(); // amount
        // ignore value
        break;

    case Opcodes.INEG:
    case Opcodes.F2I:
    case Opcodes.D2I:
    case Opcodes.L2I:
        s.push(cast(s.pop(), Type.INT_TYPE));
        break;

    case Opcodes.LNEG:
    case Opcodes.I2L:
    case Opcodes.F2L:
    case Opcodes.D2L:
        s.push(cast(s.pop(), Type.LONG_TYPE));
        break;

    case Opcodes.FNEG:
    case Opcodes.I2F:
    case Opcodes.L2F:
    case Opcodes.D2F:
        s.push(cast(s.pop(), Type.FLOAT_TYPE));

    case Opcodes.DNEG:
    case Opcodes.I2D:
    case Opcodes.L2D:
    case Opcodes.F2D:
        s.push(cast(s.pop(), Type.DOUBLE_TYPE));

    case Opcodes.I2B:
        s.push(cast(s.pop(), Type.BYTE_TYPE));
        break;
    case Opcodes.I2C:
        s.push(cast(s.pop(), Type.CHAR_TYPE));
        break;
    case Opcodes.I2S:
        s.push(cast(s.pop(), Type.SHORT_TYPE));
        break;

    case Opcodes.ARETURN:
        s.clear();
        break;

    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.RETURN:
        if (log.isTraceEnabled()) {
            log.trace("Found return " + s.pop()); //$NON-NLS-1$
        }
        s.clear();
        break;

    case Opcodes.ATHROW:
        Object thrw = s.pop();
        log.trace("Found throw " + thrw); //$NON-NLS-1$
        s.clear();
        break;

    default:
        log.warn("Unsupported instruction code " + opcode); //$NON-NLS-1$
    }
}

---

From source file:v6.java.preverifier.PreverifierMethodNode.java

License:Open Source License

/**
 * Return a boolean indicating whether the specified opcode is
 * a floating point Opcodes.//from  ww w  .  ja  v a  2  s  .co m
 * 
 * @param opcode
 * @return
 */
private boolean isFloatingPointOpcode(int opcode) {
    boolean isFloatingPointOpcode = false;

    switch (opcode) {
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
    case Opcodes.FLOAD:
    case Opcodes.DLOAD:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.FNEG:
    case Opcodes.DNEG:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.I2F:
    case Opcodes.F2I:
    case Opcodes.I2D:
    case Opcodes.D2I:
    case Opcodes.L2F:
    case Opcodes.L2D:
    case Opcodes.F2L:
    case Opcodes.D2L:
    case Opcodes.F2D:
    case Opcodes.D2F:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
        isFloatingPointOpcode = true;
        break;
    }

    return isFloatingPointOpcode;
}

---

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