Examples with CstLiteralBits com.android.dx.rop.cst.CstLiteralBits used on opensource projects

Example 1 with CstLiteralBits

use of com.android.dx.rop.cst.CstLiteralBits in project buck by facebook.

the class ClassDataItem method makeStaticValuesConstant.

/**
     * Gets a {@link CstArray} corresponding to {@link #staticValues} if
     * it contains any non-zero non-{@code null} values.
     *
     * @return {@code null-ok;} the corresponding constant or {@code null} if
     * there are no values to encode
     */
private CstArray makeStaticValuesConstant() {
    // First sort the statics into their final order.
    Collections.sort(staticFields);
    /*
         * Get the size of staticValues minus any trailing zeros/nulls (both
         * nulls per se as well as instances of CstKnownNull).
         */
    int size = staticFields.size();
    while (size > 0) {
        EncodedField field = staticFields.get(size - 1);
        Constant cst = staticValues.get(field);
        if (cst instanceof CstLiteralBits) {
            // Note: CstKnownNull extends CstLiteralBits.
            if (((CstLiteralBits) cst).getLongBits() != 0) {
                break;
            }
        } else if (cst != null) {
            break;
        }
        size--;
    }
    if (size == 0) {
        return null;
    }
    // There is something worth encoding, so build up a result.
    CstArray.List list = new CstArray.List(size);
    for (int i = 0; i < size; i++) {
        EncodedField field = staticFields.get(i);
        Constant cst = staticValues.get(field);
        if (cst == null) {
            cst = Zeroes.zeroFor(field.getRef().getType());
        }
        list.set(i, cst);
    }
    list.setImmutable();
    return new CstArray(list);
}

Example 2 with CstLiteralBits

use of com.android.dx.rop.cst.CstLiteralBits in project buck by facebook.

the class Form11n method isCompatible.

/** {@inheritDoc} */
@Override
public boolean isCompatible(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    if (!((insn instanceof CstInsn) && (regs.size() == 1) && unsignedFitsInNibble(regs.get(0).getReg()))) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    if (!(cst instanceof CstLiteralBits)) {
        return false;
    }
    CstLiteralBits cb = (CstLiteralBits) cst;
    return cb.fitsInInt() && signedFitsInNibble(cb.getIntBits());
}

Example 3 with CstLiteralBits

use of com.android.dx.rop.cst.CstLiteralBits in project buck by facebook.

the class Form51l method insnArgString.

/** {@inheritDoc} */
@Override
public String insnArgString(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    CstLiteralBits value = (CstLiteralBits) ((CstInsn) insn).getConstant();
    return regs.get(0).regString() + ", " + literalBitsString(value);
}

Example 4 with CstLiteralBits

use of com.android.dx.rop.cst.CstLiteralBits in project buck by facebook.

the class Form21h method writeTo.

/** {@inheritDoc} */
@Override
public void writeTo(AnnotatedOutput out, DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    CstLiteralBits cb = (CstLiteralBits) ((CstInsn) insn).getConstant();
    short bits;
    // Where the high bits are depends on the category of the target.
    if (regs.get(0).getCategory() == 1) {
        bits = (short) (cb.getIntBits() >>> 16);
    } else {
        bits = (short) (cb.getLongBits() >>> 48);
    }
    write(out, opcodeUnit(insn, regs.get(0).getReg()), bits);
}

Example 5 with CstLiteralBits

use of com.android.dx.rop.cst.CstLiteralBits in project buck by facebook.

the class Form31i method insnArgString.

/** {@inheritDoc} */
@Override
public String insnArgString(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    CstLiteralBits value = (CstLiteralBits) ((CstInsn) insn).getConstant();
    return regs.get(0).regString() + ", " + literalBitsString(value);
}