5785d98b4b
This adds the following things: - age table for 4K regions; - generational barrier for mixed 4K regions; - unmarking for major collections; - young generation flags. Bug: chromium:1029379 Change-Id: Ief1229f0dac5f90c5f06d3168c8ffb4b7d1f1b53 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2246566 Commit-Queue: Anton Bikineev <bikineev@chromium.org> Reviewed-by: Omer Katz <omerkatz@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#68379}
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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#define INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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namespace cppgc {
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#if defined(__has_attribute)
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#define CPPGC_HAS_ATTRIBUTE(FEATURE) __has_attribute(FEATURE)
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#else
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#define CPPGC_HAS_ATTRIBUTE(FEATURE) 0
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#endif
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#if defined(__has_cpp_attribute)
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#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) __has_cpp_attribute(FEATURE)
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#else
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#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) 0
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#endif
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// [[no_unique_address]] comes in C++20 but supported in clang with -std >=
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// c++11.
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#if CPPGC_HAS_CPP_ATTRIBUTE(no_unique_address) // NOLINTNEXTLINE
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#define CPPGC_NO_UNIQUE_ADDRESS [[no_unique_address]]
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#else
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#define CPPGC_NO_UNIQUE_ADDRESS
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#endif
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#if CPPGC_HAS_ATTRIBUTE(unused) // NOLINTNEXTLINE
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#define CPPGC_UNUSED __attribute__((unused))
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#else
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#define CPPGC_UNUSED
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#endif
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
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