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SDL_intrin.h: add SDL_rdtsc macro

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This commit is contained in:
Anonymous Maarten
2023-03-21 19:16:24 +01:00
committed by Anonymous Maarten
parent b8c88cc584
commit e2f51bf38e
2 changed files with 6 additions and 7 deletions
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7
include/SDL3/SDL_intrin.h
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@@ -89,6 +89,8 @@ _m_prefetch(void *__P)
# endif # endif
#elif defined(__GNUC__) && (__GNUC__ + (__GNUC_MINOR__ >= 9) > 4) /* gcc >= 4.9 */ #elif defined(__GNUC__) && (__GNUC__ + (__GNUC_MINOR__ >= 9) > 4) /* gcc >= 4.9 */
# define SDL_HAS_TARGET_ATTRIBS # define SDL_HAS_TARGET_ATTRIBS
#elif defined(__ICC) && __ICC >= 1600
# define SDL_HAS_TARGET_ATTRIBS
#endif #endif
#ifdef SDL_HAS_TARGET_ATTRIBS #ifdef SDL_HAS_TARGET_ATTRIBS
@@ -108,13 +110,14 @@ _m_prefetch(void *__P)
#endif #endif
#if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86) #if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86)
# if ((defined(__GNUC__) && (__GNUC__ >= 10)) || (defined(__clang__) && __clang_major__ >= 4) || defined(_MSC_VER)) && !defined(SDL_DISABLE_RDTSC) # if (defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4)) || defined(__clang__) || defined(__ICC)) && !defined(SDL_DISABLE_RDTSC)
# define SDL_RDTSC_INTRINSICS 1 # define SDL_RDTSC_INTRINSICS 1
# if defined(_MSC_VER) # if defined(_MSC_VER)
# include <intrin.h> # include <intrin.h>
# else # else
# include <immintrin.h> # include <x86intrin.h>
# endif # endif
# define SDL_rdtsc __rdtsc
# endif # endif
# if ((defined(_MSC_VER) && !defined(_M_X64)) || defined(__MMX__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_MMX) # if ((defined(_MSC_VER) && !defined(_M_X64)) || defined(__MMX__) || defined(SDL_HAS_TARGET_ATTRIBS)) && !defined(SDL_DISABLE_MMX)
# define SDL_MMX_INTRINSICS 1 # define SDL_MMX_INTRINSICS 1

6
test/testautomation_intrinsics.c
View File

@@ -368,11 +368,7 @@ static int intrinsics_testRDTSC(void *arg)
{ {
Sint64 ticks; Sint64 ticks;
#if defined(_MSC_VER) || defined(__clang__) ticks = SDL_rdtsc();
ticks = __rdtsc();
#else
ticks = _rdtsc();
#endif
SDLTest_AssertCheck(SDL_TRUE, "rdtsc returned: %" SDL_PRIu64 " ticks", ticks); SDLTest_AssertCheck(SDL_TRUE, "rdtsc returned: %" SDL_PRIu64 " ticks", ticks);