diff options
Diffstat (limited to 'gcc/cfgrtl.c')
| -rw-r--r-- | gcc/cfgrtl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index d06caba73bd..fcf359070b7 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -440,7 +440,8 @@ struct tree_opt_pass pass_free_cfg = rtx entry_of_function (void) { - return (n_basic_blocks ? BB_HEAD (ENTRY_BLOCK_PTR->next_bb) : get_insns ()); + return (n_basic_blocks > NUM_FIXED_BLOCKS ? + BB_HEAD (ENTRY_BLOCK_PTR->next_bb) : get_insns ()); } /* Update insns block within BB. */ @@ -2258,7 +2259,7 @@ rtl_verify_flow_info (void) curr_bb = NULL; } - if (num_bb_notes != n_basic_blocks) + if (num_bb_notes != n_basic_blocks - NUM_FIXED_BLOCKS) internal_error ("number of bb notes in insn chain (%d) != n_basic_blocks (%d)", num_bb_notes, n_basic_blocks); @@ -2913,7 +2914,7 @@ rtl_flow_call_edges_add (sbitmap blocks) int last_bb = last_basic_block; bool check_last_block = false; - if (n_basic_blocks == 0) + if (n_basic_blocks == NUM_FIXED_BLOCKS) return 0; if (! blocks) @@ -2960,7 +2961,7 @@ rtl_flow_call_edges_add (sbitmap blocks) calls since there is no way that we can determine if they will return or not... */ - for (i = 0; i < last_bb; i++) + for (i = NUM_FIXED_BLOCKS; i < last_bb; i++) { basic_block bb = BASIC_BLOCK (i); rtx insn; |