[x264-devel] [Git][videolan/x264][master] Enable use of __sync_fetch_and_add() wherever detected instead of just X86

[Anton Mitrofanov (@BugMaster)]

Anton Mitrofanov pushed to branch master at VideoLAN / x264


Commits:
a64111b1 by Brad Smith at 2024-12-29T12:13:33-05:00
Enable use of __sync_fetch_and_add() wherever detected instead of just X86

Use __sync_fetch_and_add() wherever detected instead of being limited to
just X86.

- - - - -


2 changed files:

- common/osdep.h
- configure


Changes:

=====================================
common/osdep.h
=====================================
@@ -434,7 +434,7 @@ X264_API int x264_threading_init( void );
 static ALWAYS_INLINE int x264_pthread_fetch_and_add( int *val, int add, x264_pthread_mutex_t *mutex )
 {
 #if HAVE_THREAD
-#if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ > 0) && (ARCH_X86 || ARCH_X86_64)
+#if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ > 0) && HAVE_SYNC_FETCH_AND_ADD
     return __sync_fetch_and_add( val, add );
 #else
     x264_pthread_mutex_lock( mutex );


=====================================
configure
=====================================
@@ -412,7 +412,7 @@ NL="
 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON AARCH64 BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
              MSA LSX MMAP WINRT VSX ARM_INLINE_ASM STRTOK_R CLOCK_GETTIME BITDEPTH8 BITDEPTH10 SVE SVE2 ELF_AUX_INFO GETAUXVAL \
-             SYSCONF"
+             SYSCONF SYNC_FETCH_AND_ADD"
 
 # parse options
 
@@ -1136,6 +1136,10 @@ if [ "$thread" = "posix" ]; then
 fi
 [ "$thread" != "no" ] && define HAVE_THREAD
 
+if cc_check '' '' 'int *val; __sync_fetch_and_add(&val, 1);' ; then
+    define HAVE_SYNC_FETCH_AND_ADD
+fi
+
 if cc_check 'math.h' '' 'volatile float x = 2; return log2f(x);' ; then
     define HAVE_LOG2F
 fi



View it on GitLab: https://code.videolan.org/videolan/x264/-/commit/a64111b1b35982bd83ec9573570a269a541d0b0c

-- 
View it on GitLab: https://code.videolan.org/videolan/x264/-/commit/a64111b1b35982bd83ec9573570a269a541d0b0c
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