diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 1039c603..10af342 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -5999,6 +5999,12 @@ expand_builtin_synchronize (void) } #endif + if (synchronize_libfunc != NULL_RTX) + { + emit_library_call (synchronize_libfunc, LCT_NORMAL, VOIDmode, 0); + return; + } + /* If no explicit memory barrier instruction is available, create an empty asm stmt with a memory clobber. */ x = build4 (ASM_EXPR, void_type_node, build_string (0, ""), NULL, NULL, |