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[CRT] Implement _InterlockedCompareExchange128 intrinsic for GCC

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This commit is contained in:
Timo Kreuzer 2022-08-31 20:52:09 +02:00
parent 3381bf39db
commit 20a6cff4dd
3 changed files with 12 additions and 0 deletions
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1
sdk/cmake/gcc.cmake
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@ -160,6 +160,7 @@ endif()
# Other
if(ARCH STREQUAL "amd64")
add_compile_options(-mcx16) # Generate CMPXCHG16
add_definitions(-U_X86_ -UWIN32)
elseif(ARCH STREQUAL "arm")
add_definitions(-U_UNICODE -UUNICODE)

3
sdk/cmake/msvc.cmake
View file

@ -41,6 +41,9 @@ endif()
add_compile_options(/GS-)
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
if(ARCH STREQUAL "amd64")
add_compile_options(-mcx16) # Generate CMPXCHG16B
endif()
set(CMAKE_CL_SHOWINCLUDES_PREFIX "Note: including file: ")
endif()

8
sdk/include/crt/mingw32/intrin_x86.h
View file

@ -699,6 +699,14 @@ __INTRIN_INLINE long long _InterlockedCompareExchange64(volatile long long * Des
#endif /* (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100 && defined(__x86_64__) */
#endif /* !HAS_BUILTIN(_InterlockedCompareExchange64) */
#if defined(__x86_64__) && !HAS_BUILTIN(_InterlockedCompareExchange128)
__INTRIN_INLINE unsigned char _InterlockedCompareExchange128(_Interlocked_operand_ __int64 volatile* Destination, __int64 ExchangeHigh, __int64 ExchangeLow, __int64* ComparandResult)
{
__int64 xchg[2] = { ExchangeLow, ExchangeHigh };
return __sync_bool_compare_and_swap((__uint128_t*)Destination, *((__uint128_t*)ComparandResult), *((__uint128_t*)xchg));
}
#endif
#ifdef __i386__
__INTRIN_INLINE long _InterlockedAddLargeStatistic(volatile long long * Addend, long Value)
{