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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
Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -8,6 +8,7 @@
#include "SoftCPU.h"
#include "Emulator.h"
#include <AK/Assertions.h>
#include <AK/BuiltinWrappers.h>
#include <AK/Debug.h>
#include <stdio.h>
#include <string.h>
@ -978,7 +979,7 @@ void SoftCPU::BOUND(const X86::Instruction&) { TODO_INSN(); }
template<typename T>
ALWAYS_INLINE static T op_bsf(SoftCPU&, T value)
{
return { (typename T::ValueType)__builtin_ctz(value.value()), value.shadow() };
return { (typename T::ValueType)bit_scan_forward(value.value()), value.shadow() };
}
template<typename T>