diff options
Diffstat (limited to 'gcc-4.8/gcc/mode-switching.c')
| -rw-r--r-- | gcc-4.8/gcc/mode-switching.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc-4.8/gcc/mode-switching.c b/gcc-4.8/gcc/mode-switching.c index 2bcb154d2..5dd9627c3 100644 --- a/gcc-4.8/gcc/mode-switching.c +++ b/gcc-4.8/gcc/mode-switching.c @@ -568,12 +568,15 @@ optimize_mode_switching (void) info[bb->index].computing = last_mode; /* Check for blocks without ANY mode requirements. - N.B. because of MODE_AFTER, last_mode might still be different - from no_mode. */ + N.B. because of MODE_AFTER, last_mode might still + be different from no_mode, in which case we need to + mark the block as nontransparent. */ if (!any_set_required) { ptr = new_seginfo (no_mode, BB_END (bb), bb->index, live_now); add_seginfo (info + bb->index, ptr); + if (last_mode != no_mode) + bitmap_clear_bit (transp[bb->index], j); } } #if defined (MODE_ENTRY) && defined (MODE_EXIT) |