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AK+Everywhere: Replace __builtin bit functions

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In order to reduce our reliance on __builtin_{ffs, clz, ctz, popcount},
this commit removes all calls to these functions and replaces them with
the equivalent functions in AK/BuiltinWrappers.h.
This commit is contained in:
Nick Johnson
2021-12-19 15:46:55 -06:00
committed by Andreas Kling
parent 26bb3e1acf
commit 08e4a1a4dc
20 changed files with 108 additions and 115 deletions
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3
Kernel/ThreadBlockers.cpp
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@@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/BuiltinWrappers.h>
#include <Kernel/Debug.h>
#include <Kernel/FileSystem/OpenFileDescription.h>
#include <Kernel/Net/Socket.h>
@@ -473,7 +474,7 @@ bool Thread::SignalBlocker::check_pending_signals(bool from_add_blocker)
if (m_did_unblock)
return false;
auto matching_pending_signal = __builtin_ffsl(thread().pending_signals() & m_pending_set);
auto matching_pending_signal = bit_scan_forward(thread().pending_signals() & m_pending_set);
if (matching_pending_signal == 0)
return false;