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

Example 76 with RegisterSpecList

use of com.android.dx.rop.code.RegisterSpecList in project J2ME-Loader by nikita36078.

the class Form11x method writeTo.

/**
 * {@inheritDoc}
 */
@Override
public void writeTo(AnnotatedOutput out, DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    write(out, opcodeUnit(insn, regs.get(0).getReg()));
}

Example 77 with RegisterSpecList

use of com.android.dx.rop.code.RegisterSpecList in project J2ME-Loader by nikita36078.

the class Form12x method insnArgString.

/**
 * {@inheritDoc}
 */
@Override
public String insnArgString(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    int sz = regs.size();
    return regs.get(sz - 2).regString() + ", " + regs.get(sz - 1).regString();
}

Example 78 with RegisterSpecList

use of com.android.dx.rop.code.RegisterSpecList in project J2ME-Loader by nikita36078.

the class Form12x method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof SimpleInsn)) {
        return false;
    }
    RegisterSpecList regs = insn.getRegisters();
    RegisterSpec rs1;
    RegisterSpec rs2;
    switch(regs.size()) {
        case 2:
            {
                rs1 = regs.get(0);
                rs2 = regs.get(1);
                break;
            }
        case 3:
            {
                /*
                 * This format is allowed for ops that are effectively
                 * 3-arg but where the first two args are identical.
                 */
                rs1 = regs.get(1);
                rs2 = regs.get(2);
                if (rs1.getReg() != regs.get(0).getReg()) {
                    return false;
                }
                break;
            }
        default:
            {
                return false;
            }
    }
    return unsignedFitsInNibble(rs1.getReg()) && unsignedFitsInNibble(rs2.getReg());
}

Example 79 with RegisterSpecList

use of com.android.dx.rop.code.RegisterSpecList in project J2ME-Loader by nikita36078.

the class Form12x method writeTo.

/**
 * {@inheritDoc}
 */
@Override
public void writeTo(AnnotatedOutput out, DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    int sz = regs.size();
    /*
         * The (sz - 2) and (sz - 1) below makes this code work for
         * both the two- and three-register ops. (See "case 3" in
         * isCompatible(), above.)
         */
    write(out, opcodeUnit(insn, makeByte(regs.get(sz - 2).getReg(), regs.get(sz - 1).getReg())));
}

Example 80 with RegisterSpecList

use of com.android.dx.rop.code.RegisterSpecList in project J2ME-Loader by nikita36078.

the class Form12x method compatibleRegs.

/**
 * {@inheritDoc}
 */
@Override
public BitSet compatibleRegs(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    BitSet bits = new BitSet(2);
    int r0 = regs.get(0).getReg();
    int r1 = regs.get(1).getReg();
    switch(regs.size()) {
        case 2:
            {
                bits.set(0, unsignedFitsInNibble(r0));
                bits.set(1, unsignedFitsInNibble(r1));
                break;
            }
        case 3:
            {
                if (r0 != r1) {
                    bits.set(0, false);
                    bits.set(1, false);
                } else {
                    boolean dstRegComp = unsignedFitsInNibble(r1);
                    bits.set(0, dstRegComp);
                    bits.set(1, dstRegComp);
                }
                bits.set(2, unsignedFitsInNibble(regs.get(2).getReg()));
                break;
            }
        default:
            {
                throw new AssertionError();
            }
    }
    return bits;
}