2c40f3af4f
With this CL, the decompression simply becomes:
movsxd rax, edi
add rax, rax
and rax, qword ptr fs:[base@TPOFF]
Bug: chromium:1325007
Change-Id: I931e4e667a9b9697671bccf14575420f8cb705e8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3629871
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Anton Bikineev <bikineev@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80521}
33 lines
935 B
C++
33 lines
935 B
C++
// Copyright 2021 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_SENTINEL_POINTER_H_
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#define INCLUDE_CPPGC_SENTINEL_POINTER_H_
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#include <cstdint>
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namespace cppgc {
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namespace internal {
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// Special tag type used to denote some sentinel member. The semantics of the
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// sentinel is defined by the embedder.
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struct SentinelPointer {
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static constexpr intptr_t kSentinelValue = 0b10;
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template <typename T>
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operator T*() const {
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return reinterpret_cast<T*>(kSentinelValue);
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}
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// Hidden friends.
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friend bool operator==(SentinelPointer, SentinelPointer) { return true; }
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friend bool operator!=(SentinelPointer, SentinelPointer) { return false; }
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};
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} // namespace internal
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constexpr internal::SentinelPointer kSentinelPointer;
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_SENTINEL_POINTER_H_
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