Java Code Examples for com.android.dx.rop.code.Rops#opMove()

The following examples show how to use com.android.dx.rop.code.Rops#opMove() . 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: SsaBasicBlock.java    From Box with Apache License 2.0 5 votes vote down vote up 
/**
 * Adds a move instruction after the phi insn block.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToBeginning (RegisterSpec result, RegisterSpec source) {
    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    RegisterSpecList sources = RegisterSpecList.make(source);
    NormalSsaInsn toAdd = new NormalSsaInsn(
            new PlainInsn(Rops.opMove(result.getType()),
                    SourcePosition.NO_INFO, result, sources), this);

    insns.add(getCountPhiInsns(), toAdd);
    movesFromPhisAtBeginning++;
}
Example 2
Source File: SsaBasicBlock.java    From Box with Apache License 2.0 5 votes vote down vote up 
/**
 * Adds a move instruction after the phi insn block.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToBeginning (RegisterSpec result, RegisterSpec source) {
    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    RegisterSpecList sources = RegisterSpecList.make(source);
    NormalSsaInsn toAdd = new NormalSsaInsn(
            new PlainInsn(Rops.opMove(result.getType()),
                    SourcePosition.NO_INFO, result, sources), this);

    insns.add(getCountPhiInsns(), toAdd);
    movesFromPhisAtBeginning++;
}
Example 3
Source File: SsaBasicBlock.java    From J2ME-Loader with Apache License 2.0 5 votes vote down vote up 
/**
 * Adds a move instruction after the phi insn block.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToBeginning (RegisterSpec result, RegisterSpec source) {
    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    RegisterSpecList sources = RegisterSpecList.make(source);
    NormalSsaInsn toAdd = new NormalSsaInsn(
            new PlainInsn(Rops.opMove(result.getType()),
                    SourcePosition.NO_INFO, result, sources), this);

    insns.add(getCountPhiInsns(), toAdd);
    movesFromPhisAtBeginning++;
}
Example 4
Source File: SsaBasicBlock.java    From buck with Apache License 2.0 5 votes vote down vote up 
/**
 * Adds a move instruction after the phi insn block.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToBeginning (RegisterSpec result, RegisterSpec source) {
    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    RegisterSpecList sources = RegisterSpecList.make(source);
    NormalSsaInsn toAdd = new NormalSsaInsn(
            new PlainInsn(Rops.opMove(result.getType()),
                    SourcePosition.NO_INFO, result, sources), this);

    insns.add(getCountPhiInsns(), toAdd);
    movesFromPhisAtBeginning++;
}
Example 5
Source File: SsaBasicBlock.java    From Box with Apache License 2.0 4 votes vote down vote up 
/**
 * Adds a move instruction to the end of this basic block, just
 * before the last instruction. If the result of the final instruction
 * is the source in question, then the move is placed at the beginning of
 * the primary successor block. This is for unversioned registers.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToEnd(RegisterSpec result, RegisterSpec source) {
    /*
     * Check that there are no other successors otherwise we may
     * insert a move that affects those (b/69128828).
     */
    if (successors.cardinality() > 1) {
        throw new IllegalStateException("Inserting a move to a block with multiple successors");
    }

    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    /*
     * The last Insn has to be a normal SSA insn: a phi can't branch
     * or return or cause an exception, etc.
     */
    NormalSsaInsn lastInsn;
    lastInsn = (NormalSsaInsn)insns.get(insns.size()-1);

    if (lastInsn.getResult() != null || lastInsn.getSources().size() > 0) {
        /*
         * The final insn in this block has a source or result
         * register, and the moves we may need to place and
         * schedule may interfere. We need to insert this
         * instruction at the beginning of the primary successor
         * block instead. We know this is safe, because when we
         * edge-split earlier, we ensured that each successor has
         * only us as a predecessor.
         */

        for (int i = successors.nextSetBit(0)
                ; i >= 0
                ; i = successors.nextSetBit(i + 1)) {

            SsaBasicBlock succ;

            succ = parent.getBlocks().get(i);
            succ.addMoveToBeginning(result, source);
        }
    } else {
        /*
         * We can safely add a move to the end of the block just
         * before the last instruction, because the final insn does
         * not assign to anything.
         */
        RegisterSpecList sources = RegisterSpecList.make(source);
        NormalSsaInsn toAdd = new NormalSsaInsn(
                new PlainInsn(Rops.opMove(result.getType()),
                        SourcePosition.NO_INFO, result, sources), this);

        insns.add(insns.size() - 1, toAdd);

        movesFromPhisAtEnd++;
    }
}
Example 6
Source File: SsaBasicBlock.java    From Box with Apache License 2.0 4 votes vote down vote up 
/**
 * Adds a move instruction to the end of this basic block, just
 * before the last instruction. If the result of the final instruction
 * is the source in question, then the move is placed at the beginning of
 * the primary successor block. This is for unversioned registers.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToEnd(RegisterSpec result, RegisterSpec source) {
    /*
     * Check that there are no other successors otherwise we may
     * insert a move that affects those (b/69128828).
     */
    if (successors.cardinality() > 1) {
        throw new IllegalStateException("Inserting a move to a block with multiple successors");
    }

    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    /*
     * The last Insn has to be a normal SSA insn: a phi can't branch
     * or return or cause an exception, etc.
     */
    NormalSsaInsn lastInsn;
    lastInsn = (NormalSsaInsn)insns.get(insns.size()-1);

    if (lastInsn.getResult() != null || lastInsn.getSources().size() > 0) {
        /*
         * The final insn in this block has a source or result
         * register, and the moves we may need to place and
         * schedule may interfere. We need to insert this
         * instruction at the beginning of the primary successor
         * block instead. We know this is safe, because when we
         * edge-split earlier, we ensured that each successor has
         * only us as a predecessor.
         */

        for (int i = successors.nextSetBit(0)
                ; i >= 0
                ; i = successors.nextSetBit(i + 1)) {

            SsaBasicBlock succ;

            succ = parent.getBlocks().get(i);
            succ.addMoveToBeginning(result, source);
        }
    } else {
        /*
         * We can safely add a move to the end of the block just
         * before the last instruction, because the final insn does
         * not assign to anything.
         */
        RegisterSpecList sources = RegisterSpecList.make(source);
        NormalSsaInsn toAdd = new NormalSsaInsn(
                new PlainInsn(Rops.opMove(result.getType()),
                        SourcePosition.NO_INFO, result, sources), this);

        insns.add(insns.size() - 1, toAdd);

        movesFromPhisAtEnd++;
    }
}
Example 7
Source File: SsaBasicBlock.java    From J2ME-Loader with Apache License 2.0 4 votes vote down vote up 
/**
 * Adds a move instruction to the end of this basic block, just
 * before the last instruction. If the result of the final instruction
 * is the source in question, then the move is placed at the beginning of
 * the primary successor block. This is for unversioned registers.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToEnd(RegisterSpec result, RegisterSpec source) {

    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    /*
     * The last Insn has to be a normal SSA insn: a phi can't branch
     * or return or cause an exception, etc.
     */
    NormalSsaInsn lastInsn;
    lastInsn = (NormalSsaInsn)insns.get(insns.size()-1);

    if (lastInsn.getResult() != null || lastInsn.getSources().size() > 0) {
        /*
         * The final insn in this block has a source or result
         * register, and the moves we may need to place and
         * schedule may interfere. We need to insert this
         * instruction at the beginning of the primary successor
         * block instead. We know this is safe, because when we
         * edge-split earlier, we ensured that each successor has
         * only us as a predecessor.
         */

        for (int i = successors.nextSetBit(0)
                ; i >= 0
                ; i = successors.nextSetBit(i + 1)) {

            SsaBasicBlock succ;

            succ = parent.getBlocks().get(i);
            succ.addMoveToBeginning(result, source);
        }
    } else {
        /*
         * We can safely add a move to the end of the block just
         * before the last instruction, because the final insn does
         * not assign to anything.
         */
        RegisterSpecList sources = RegisterSpecList.make(source);
        NormalSsaInsn toAdd = new NormalSsaInsn(
                new PlainInsn(Rops.opMove(result.getType()),
                        SourcePosition.NO_INFO, result, sources), this);

        insns.add(insns.size() - 1, toAdd);

        movesFromPhisAtEnd++;
    }
}
Example 8
Source File: SsaBasicBlock.java    From buck with Apache License 2.0 4 votes vote down vote up 
/**
 * Adds a move instruction to the end of this basic block, just
 * before the last instruction. If the result of the final instruction
 * is the source in question, then the move is placed at the beginning of
 * the primary successor block. This is for unversioned registers.
 *
 * @param result move destination
 * @param source move source
 */
public void addMoveToEnd(RegisterSpec result, RegisterSpec source) {

    if (result.getReg() == source.getReg()) {
        // Sometimes we end up with no-op moves. Ignore them here.
        return;
    }

    /*
     * The last Insn has to be a normal SSA insn: a phi can't branch
     * or return or cause an exception, etc.
     */
    NormalSsaInsn lastInsn;
    lastInsn = (NormalSsaInsn)insns.get(insns.size()-1);

    if (lastInsn.getResult() != null || lastInsn.getSources().size() > 0) {
        /*
         * The final insn in this block has a source or result
         * register, and the moves we may need to place and
         * schedule may interfere. We need to insert this
         * instruction at the beginning of the primary successor
         * block instead. We know this is safe, because when we
         * edge-split earlier, we ensured that each successor has
         * only us as a predecessor.
         */

        for (int i = successors.nextSetBit(0)
                ; i >= 0
                ; i = successors.nextSetBit(i + 1)) {

            SsaBasicBlock succ;

            succ = parent.getBlocks().get(i);
            succ.addMoveToBeginning(result, source);
        }
    } else {
        /*
         * We can safely add a move to the end of the block just
         * before the last instruction, because the final insn does
         * not assign to anything.
         */
        RegisterSpecList sources = RegisterSpecList.make(source);
        NormalSsaInsn toAdd = new NormalSsaInsn(
                new PlainInsn(Rops.opMove(result.getType()),
                        SourcePosition.NO_INFO, result, sources), this);

        insns.add(insns.size() - 1, toAdd);

        movesFromPhisAtEnd++;
    }
}