Esempi in C++ (Cpp) per ValueOperand::valueReg

Esempio n. 1

File: CodeGenerator-x64.cpp Progetto: Nebelhom/mozilla-central

bool
CodeGeneratorX64::visitCompareBAndBranch(LCompareBAndBranch *lir)
{
    MCompare *mir = lir->mir();

    const ValueOperand lhs = ToValue(lir, LCompareBAndBranch::Lhs);
    const LAllocation *rhs = lir->rhs();

    JS_ASSERT(mir->jsop() == JSOP_STRICTEQ || mir->jsop() == JSOP_STRICTNE);

    // Load boxed boolean in ScratchReg.
    if (rhs->isConstant())
        masm.moveValue(*rhs->toConstant(), ScratchReg);
    else
        masm.boxValue(JSVAL_TYPE_BOOLEAN, ToRegister(rhs), ScratchReg);

    // Perform the comparison.
    masm.cmpq(lhs.valueReg(), ScratchReg);
    emitBranch(JSOpToCondition(mir->compareType(), mir->jsop()), lir->ifTrue(), lir->ifFalse());
    return true;
}

Esempio n. 2

File: CodeGenerator-mips64.cpp Progetto: cliqz-oss/browser-f

void
CodeGeneratorMIPS64::visitCompareB(LCompareB* lir)
{
    MCompare* mir = lir->mir();

    const ValueOperand lhs = ToValue(lir, LCompareB::Lhs);
    const LAllocation* rhs = lir->rhs();
    const Register output = ToRegister(lir->output());

    MOZ_ASSERT(mir->jsop() == JSOP_STRICTEQ || mir->jsop() == JSOP_STRICTNE);
    Assembler::Condition cond = JSOpToCondition(mir->compareType(), mir->jsop());

    // Load boxed boolean in ScratchRegister.
    if (rhs->isConstant())
        masm.moveValue(rhs->toConstant()->toJSValue(), ScratchRegister);
    else
        masm.boxValue(JSVAL_TYPE_BOOLEAN, ToRegister(rhs), ScratchRegister);

    // Perform the comparison.
    masm.cmpPtrSet(cond, lhs.valueReg(), ScratchRegister, output);
}

Esempio n. 3

File: MacroAssembler-x64.cpp Progetto: shanewfx/gecko-dev

void
MacroAssemblerX64::branchValueIsNurseryObject(Condition cond, ValueOperand value, Register temp,
                                              Label* label)
{
    MOZ_ASSERT(cond == Assembler::Equal || cond == Assembler::NotEqual);

    const Nursery& nursery = GetJitContext()->runtime->gcNursery();

    // Avoid creating a bogus ObjectValue below.
    if (!nursery.exists())
        return;

    // 'Value' representing the start of the nursery tagged as a JSObject
    Value start = ObjectValue(*reinterpret_cast<JSObject*>(nursery.start()));

    ScratchRegisterScope scratch(asMasm());
    movePtr(ImmWord(-ptrdiff_t(start.asRawBits())), scratch);
    addPtr(value.valueReg(), scratch);
    branchPtr(cond == Assembler::Equal ? Assembler::Below : Assembler::AboveOrEqual,
              scratch, Imm32(nursery.nurserySize()), label);
}

Esempio n. 4

File: CodeGenerator-x64.cpp Progetto: kleopatra999/system-addons

void
CodeGeneratorX64::visitCompareB(LCompareB* lir)
{
    MCompare* mir = lir->mir();

    const ValueOperand lhs = ToValue(lir, LCompareB::Lhs);
    const LAllocation* rhs = lir->rhs();
    const Register output = ToRegister(lir->output());

    MOZ_ASSERT(mir->jsop() == JSOP_STRICTEQ || mir->jsop() == JSOP_STRICTNE);

    // Load boxed boolean in ScratchReg.
    ScratchRegisterScope scratch(masm);
    if (rhs->isConstant())
        masm.moveValue(*rhs->toConstant(), scratch);
    else
        masm.boxValue(JSVAL_TYPE_BOOLEAN, ToRegister(rhs), scratch);

    // Perform the comparison.
    masm.cmpPtr(lhs.valueReg(), scratch);
    masm.emitSet(JSOpToCondition(mir->compareType(), mir->jsop()), output);
}

Esempio n. 5

File: MacroAssembler-x64.cpp Progetto: MekliCZ/positron

void
MacroAssembler::branchValueIsNurseryObject(Condition cond, ValueOperand value, Register temp,
                                           Label* label)
{
    branchValueIsNurseryObjectImpl(cond, value.valueReg(), temp, label);
}