diff options
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 4417e6e6b87..348c0cca8bf 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -3765,7 +3765,7 @@ find_if_case_2 (basic_block test_bb, edge then_edge, edge else_edge) test_bb->index, else_bb->index); /* ELSE is small. */ - if (! cheap_bb_rtx_cost_p (else_bb, + if (! cheap_bb_rtx_cost_p (else_bb, COSTS_N_INSNS (BRANCH_COST (optimize_bb_for_speed_p (else_edge->src), predictable_edge_p (else_edge))))) return FALSE; @@ -3987,11 +3987,11 @@ dead_or_predicable (basic_block test_bb, basic_block merge_bb, fail = 1; } } - + /* For TEST, we're interested in a range of insns, not a whole block. Moreover, we're interested in the insns live from OTHER_BB. */ - - /* The loop below takes the set of live registers + + /* The loop below takes the set of live registers after JUMP, and calculates the live set before EARLIEST. */ bitmap_copy (test_live, df_get_live_in (other_bb)); df_simulate_initialize_backwards (test_bb, test_live); @@ -4157,7 +4157,7 @@ if_convert (void) FOR_EACH_BB (bb) { basic_block new_bb; - while (!df_get_bb_dirty (bb) + while (!df_get_bb_dirty (bb) && (new_bb = find_if_header (bb, pass)) != NULL) bb = new_bb; } |