diff options
Diffstat (limited to 'boehm-gc/include/private/gc_locks.h')
| -rw-r--r-- | boehm-gc/include/private/gc_locks.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/boehm-gc/include/private/gc_locks.h b/boehm-gc/include/private/gc_locks.h index d1bb2e4521a..54cfdb92d37 100644 --- a/boehm-gc/include/private/gc_locks.h +++ b/boehm-gc/include/private/gc_locks.h @@ -207,6 +207,12 @@ # define GC_CLEAR_DEFINED # endif /* ALPHA */ # ifdef ARM32 +# define GC_TEST_AND_SET_DEFINED +# if (__GNUC__>4)||((__GNUC__==4)&&(__GNUC_MINOR__>=5)) && defined(__ARM_EABI__) +# define GC_CLEAR_DEFINED +# define GC_test_and_set(addr) __sync_lock_test_and_set (addr, 1) +# define GC_clear(addr) __sync_lock_release (addr) +# else inline static int GC_test_and_set(volatile unsigned int *addr) { int oldval; /* SWP on ARM is very similar to XCHG on x86. Doesn't lock the @@ -219,7 +225,7 @@ : "memory"); return oldval; } -# define GC_TEST_AND_SET_DEFINED +# endif # endif /* ARM32 */ # ifdef CRIS inline static int GC_test_and_set(volatile unsigned int *addr) { |