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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "jit/BaselineIC.h"
#include "jit/SharedICHelpers.h"
#include "jit/MacroAssembler-inl.h"
using namespace js;
using namespace js::jit;
namespace js {
namespace jit {
// ICCompare_Int32
bool
ICCompare_Int32::Compiler::generateStubCode(MacroAssembler& masm)
{
// Guard that R0 is an integer and R1 is an integer.
Label failure;
masm.branchTestInt32(Assembler::NotEqual, R0, &failure);
masm.branchTestInt32(Assembler::NotEqual, R1, &failure);
// Directly compare the int32 payload of R0 and R1.
ScratchRegisterScope scratch(masm);
Assembler::Condition cond = JSOpToCondition(op, /* signed = */true);
masm.mov(ImmWord(0), scratch);
masm.cmp32(R0.valueReg(), R1.valueReg());
masm.setCC(cond, scratch);
// Box the result and return
masm.boxValue(JSVAL_TYPE_BOOLEAN, scratch, R0.valueReg());
EmitReturnFromIC(masm);
// Failure case - jump to next stub
masm.bind(&failure);
EmitStubGuardFailure(masm);
return true;
}
} // namespace jit
} // namespace js
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