diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index ee6417d6..8ef9607 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -6236,6 +6236,7 @@ static void expand_builtin_synchronize (void) { gimple x; + VEC (tree, gc) *v_clobbers; #ifdef HAVE_memory_barrier if (HAVE_memory_barrier) @@ -6253,8 +6254,10 @@ expand_builtin_synchronize (void) /* If no explicit memory barrier instruction is available, create an empty asm stmt with a memory clobber. */ - x = gimple_build_asm ("", 0, 0, 1, - tree_cons (NULL, build_string (6, "memory"), NULL)); + v_clobbers = VEC_alloc (tree, gc, 1); + VEC_quick_push (tree, v_clobbers, + tree_cons (NULL, build_string (6, "memory"), NULL)); + x = gimple_build_asm_vec ("", NULL, NULL, v_clobbers, NULL); gimple_asm_set_volatile (x, true); expand_asm_stmt (x); } |