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

Example 76 with RegisterSpecList

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

the class OutputFinisher method align64bits.

private void align64bits(Dop[] opcodes) {
    while (true) {
        int notAligned64bitRegAccess = 0;
        int aligned64bitRegAccess = 0;
        int notAligned64bitParamAccess = 0;
        int aligned64bitParamAccess = 0;
        int lastParameter = unreservedRegCount + reservedCount + reservedParameterCount;
        int firstParameter = lastParameter - paramSize;
        // Collects the number of time that 64-bit registers are accessed aligned or not.
        for (DalvInsn insn : insns) {
            RegisterSpecList regs = insn.getRegisters();
            for (int usedRegIdx = 0; usedRegIdx < regs.size(); usedRegIdx++) {
                RegisterSpec reg = regs.get(usedRegIdx);
                if (reg.isCategory2()) {
                    boolean isParameter = reg.getReg() >= firstParameter;
                    if (reg.isEvenRegister()) {
                        if (isParameter) {
                            aligned64bitParamAccess++;
                        } else {
                            aligned64bitRegAccess++;
                        }
                    } else {
                        if (isParameter) {
                            notAligned64bitParamAccess++;
                        } else {
                            notAligned64bitRegAccess++;
                        }
                    }
                }
            }
        }
        if (notAligned64bitParamAccess > aligned64bitParamAccess && notAligned64bitRegAccess > aligned64bitRegAccess) {
            addReservedRegisters(1);
        } else if (notAligned64bitParamAccess > aligned64bitParamAccess) {
            addReservedParameters(1);
        } else if (notAligned64bitRegAccess > aligned64bitRegAccess) {
            addReservedRegisters(1);
            // so the number of aligned become the number of unaligned.
            if (paramSize != 0 && aligned64bitParamAccess > notAligned64bitParamAccess) {
                addReservedParameters(1);
            }
        } else {
            break;
        }
        if (!reserveRegisters(opcodes)) {
            break;
        }
    }
}

Example 77 with RegisterSpecList

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

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 78 with RegisterSpecList

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

the class Form11n method writeTo.

/** {@inheritDoc} */
@Override
public void writeTo(AnnotatedOutput out, DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    int value = ((CstLiteralBits) ((CstInsn) insn).getConstant()).getIntBits();
    write(out, opcodeUnit(insn, makeByte(regs.get(0).getReg(), value & 0xf)));
}

Example 79 with RegisterSpecList

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

the class Form11n 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 80 with RegisterSpecList

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

the class Form11n method compatibleRegs.

/** {@inheritDoc} */
@Override
public BitSet compatibleRegs(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    BitSet bits = new BitSet(1);
    bits.set(0, unsignedFitsInNibble(regs.get(0).getReg()));
    return bits;
}