diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c index 86fe2bb3b62..863b51eda94 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -3824,10 +3824,14 @@ build6_stat (enum tree_code code, tree tt, tree arg0, tree arg1, PROCESS_ARG(2); PROCESS_ARG(3); PROCESS_ARG(4); + if (code == TARGET_MEM_REF) + side_effects = 0; PROCESS_ARG(5); TREE_SIDE_EFFECTS (t) = side_effects; - TREE_THIS_VOLATILE (t) = 0; + TREE_THIS_VOLATILE (t) + = (code == TARGET_MEM_REF + && arg5 && TREE_THIS_VOLATILE (arg5)); return t; } |