Examples with RegisterSpecList com.taobao.android.dx.rop.code.RegisterSpecList used on opensource projects

Example 41 with RegisterSpecList

use of com.taobao.android.dx.rop.code.RegisterSpecList in project atlas by alibaba.

the class NormalSsaInsn method setNewSources.

/**
     * Changes the source list of the insn. New source list should be the
     * same size and consist of sources of identical types.
     *
     * @param newSources non-null new sources list.
     */
public final void setNewSources(RegisterSpecList newSources) {
    RegisterSpecList origSources = insn.getSources();
    if (origSources.size() != newSources.size()) {
        throw new RuntimeException("Sources counts don't match");
    }
    insn = insn.withNewRegisters(getResult(), newSources);
}

Example 42 with RegisterSpecList

use of com.taobao.android.dx.rop.code.RegisterSpecList in project atlas by alibaba.

the class NormalSsaInsn method mapSourceRegisters.

/** {@inheritDoc} */
@Override
public final void mapSourceRegisters(RegisterMapper mapper) {
    RegisterSpecList oldSources = insn.getSources();
    RegisterSpecList newSources = mapper.map(oldSources);
    if (newSources != oldSources) {
        insn = insn.withNewRegisters(getResult(), newSources);
        getBlock().getParent().onSourcesChanged(this, oldSources);
    }
}

Example 43 with RegisterSpecList

use of com.taobao.android.dx.rop.code.RegisterSpecList in project atlas by alibaba.

the class FirstFitLocalCombiningAllocator method adjustAndMapSourceRangeRange.

/**
     * Maps the source registers of the specified instruction such that they
     * will fall in a contiguous range in rop form. Moves are inserted as
     * necessary to allow the range to be allocated.
     *
     * @param insn {@code non-null;} insn whos sources to process
     */
private void adjustAndMapSourceRangeRange(NormalSsaInsn insn) {
    int newRegStart = findRangeAndAdjust(insn);
    RegisterSpecList sources = insn.getSources();
    int szSources = sources.size();
    int nextRopReg = newRegStart;
    for (int i = 0; i < szSources; i++) {
        RegisterSpec source = sources.get(i);
        int sourceReg = source.getReg();
        int category = source.getCategory();
        int curRopReg = nextRopReg;
        nextRopReg += category;
        if (ssaRegsMapped.get(sourceReg)) {
            continue;
        }
        LocalItem localItem = getLocalItemForReg(sourceReg);
        addMapping(source, curRopReg);
        if (localItem != null) {
            markReserved(curRopReg, category);
            ArrayList<RegisterSpec> similarRegisters = localVariables.get(localItem);
            int szSimilar = similarRegisters.size();
            /*
                 * Try to map all SSA registers also associated with
                 * this local.
                 */
            for (int j = 0; j < szSimilar; j++) {
                RegisterSpec similarSpec = similarRegisters.get(j);
                int similarReg = similarSpec.getReg();
                // Don't map anything that's also a source.
                if (-1 != sources.indexOfRegister(similarReg)) {
                    continue;
                }
                // Registers left unmapped will get handled later.
                tryMapReg(similarSpec, curRopReg, category);
            }
        }
    }
}

Example 44 with RegisterSpecList

use of com.taobao.android.dx.rop.code.RegisterSpecList in project atlas by alibaba.

the class RegisterMapper method map.

/**
     *
     * @param sources old register list
     * @return new mapped register list, or old if nothing has changed.
     */
public final RegisterSpecList map(RegisterSpecList sources) {
    int sz = sources.size();
    RegisterSpecList newSources = new RegisterSpecList(sz);
    for (int i = 0; i < sz; i++) {
        newSources.set(i, map(sources.get(i)));
    }
    newSources.setImmutable();
    // Return the old sources if nothing has changed.
    return newSources.equals(sources) ? sources : newSources;
}

Example 45 with RegisterSpecList

use of com.taobao.android.dx.rop.code.RegisterSpecList in project atlas by alibaba.

the class SCCP method simulatePhi.

/**
     * Simulates a PHI node and set the lattice for the result
     * to the appropriate value.
     * Meet values:
     * TOP x anything = TOP
     * VARYING x anything = VARYING
     * CONSTANT x CONSTANT = CONSTANT if equal constants, VARYING otherwise
     * @param insn PHI to simulate.
     */
private void simulatePhi(PhiInsn insn) {
    int phiResultReg = insn.getResult().getReg();
    if (latticeValues[phiResultReg] == VARYING) {
        return;
    }
    RegisterSpecList sources = insn.getSources();
    int phiResultValue = TOP;
    Constant phiConstant = null;
    int sourceSize = sources.size();
    for (int i = 0; i < sourceSize; i++) {
        int predBlockIndex = insn.predBlockIndexForSourcesIndex(i);
        int sourceReg = sources.get(i).getReg();
        int sourceRegValue = latticeValues[sourceReg];
        if (!executableBlocks.get(predBlockIndex)) {
            continue;
        }
        if (sourceRegValue == CONSTANT) {
            if (phiConstant == null) {
                phiConstant = latticeConstants[sourceReg];
                phiResultValue = CONSTANT;
            } else if (!latticeConstants[sourceReg].equals(phiConstant)) {
                phiResultValue = VARYING;
                break;
            }
        } else {
            phiResultValue = sourceRegValue;
            break;
        }
    }
    if (setLatticeValueTo(phiResultReg, phiResultValue, phiConstant)) {
        addUsersToWorklist(phiResultReg, phiResultValue);
    }
}