diff options
Diffstat (limited to 'gcc/regrename.c')
| -rw-r--r-- | gcc/regrename.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c index 06b1c5b7480..c9e1ac51406 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -1776,20 +1776,19 @@ copyprop_hardreg_forward (void) all_vd = xmalloc (sizeof (struct value_data) * last_basic_block); - visited = sbitmap_alloc (last_basic_block - (INVALID_BLOCK + 1)); + visited = sbitmap_alloc (last_basic_block); sbitmap_zero (visited); FOR_EACH_BB (bb) { - SET_BIT (visited, bb->index - (INVALID_BLOCK + 1)); + SET_BIT (visited, bb->index); /* If a block has a single predecessor, that we've already processed, begin with the value data that was live at the end of the predecessor block. */ /* ??? Ought to use more intelligent queuing of blocks. */ - if (single_pred_p (bb) - && TEST_BIT (visited, - single_pred (bb)->index - (INVALID_BLOCK + 1)) + if (single_pred_p (bb) + && TEST_BIT (visited, single_pred (bb)->index) && ! (single_pred_edge (bb)->flags & (EDGE_ABNORMAL_CALL | EDGE_EH))) all_vd[bb->index] = all_vd[single_pred (bb)->index]; else |