mozjs_sys 0.67.1

System crate for the Mozilla SpiderMonkey JavaScript engine.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * 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"

using namespace js;
using namespace js::jit;

namespace js {
namespace jit {

bool ICCompare_Double::Compiler::generateStubCode(MacroAssembler& masm) {
  Label failure, isNaN;
  masm.ensureDouble(R0, FloatReg0, &failure);
  masm.ensureDouble(R1, FloatReg1, &failure);

  Register dest = R0.scratchReg();

  Assembler::DoubleCondition doubleCond = JSOpToDoubleCondition(op);

  masm.ma_cmp_set_double(dest, FloatReg0, FloatReg1, doubleCond);

  masm.tagValue(JSVAL_TYPE_BOOLEAN, dest, R0);
  EmitReturnFromIC(masm);

  // Failure case - jump to next stub
  masm.bind(&failure);
  EmitStubGuardFailure(masm);
  return true;
}

}  // namespace jit
}  // namespace js