diff options
Diffstat (limited to 'contrib/gcc/builtins.c')
| -rw-r--r-- | contrib/gcc/builtins.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/contrib/gcc/builtins.c b/contrib/gcc/builtins.c index 7eb878f70386..22e66b6676f9 100644 --- a/contrib/gcc/builtins.c +++ b/contrib/gcc/builtins.c @@ -19,6 +19,8 @@ along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* $FreeBSD$ */ + #include "config.h" #include "system.h" #include "machmode.h" @@ -2194,6 +2196,11 @@ expand_builtin_memset (exp, target, mode) len_rtx = expand_expr (len, NULL_RTX, VOIDmode, 0); + /* Give up for non-constant lengths. They are broken on at least + i386's. */ + if (GET_CODE (len_rtx) != CONST_INT) + return 0; + dest_mem = get_memory_rtx (dest); set_mem_align (dest_mem, dest_align); dest_addr = clear_storage (dest_mem, len_rtx); |