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);
}

void
CodeGeneratorMIPS::visitCompareBitwiseAndBranch(LCompareBitwiseAndBranch* lir)
{
    MCompare* mir = lir->cmpMir();
    Assembler::Condition cond = JSOpToCondition(mir->compareType(), mir->jsop());
    const ValueOperand lhs = ToValue(lir, LCompareBitwiseAndBranch::LhsInput);
    const ValueOperand rhs = ToValue(lir, LCompareBitwiseAndBranch::RhsInput);

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

    MBasicBlock* notEqual = (cond == Assembler::Equal) ? lir->ifFalse() : lir->ifTrue();

    branchToBlock(lhs.typeReg(), rhs.typeReg(), notEqual, Assembler::NotEqual);
    emitBranch(lhs.payloadReg(), rhs.payloadReg(), cond, lir->ifTrue(), lir->ifFalse());
}

bool
CodeGeneratorX86::visitCompareVAndBranch(LCompareVAndBranch *lir)
{
    MCompare *mir = lir->mir();
    Assembler::Condition cond = JSOpToCondition(mir->jsop());
    const ValueOperand lhs = ToValue(lir, LCompareVAndBranch::LhsInput);
    const ValueOperand rhs = ToValue(lir, LCompareVAndBranch::RhsInput);

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

    Label *notEqual;
    if (cond == Assembler::Equal)
        notEqual = lir->ifFalse()->lir()->label();
    else
        notEqual = lir->ifTrue()->lir()->label();

    masm.cmp32(lhs.typeReg(), rhs.typeReg());
    masm.j(Assembler::NotEqual, notEqual);
    masm.cmp32(lhs.payloadReg(), rhs.payloadReg());
    emitBranch(cond, lir->ifTrue(), lir->ifFalse());

    return true;
}

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

Register
CodeGeneratorMIPS::splitTagForTest(const ValueOperand& value)
{
    return value.typeReg();
}