diff options
Diffstat (limited to 'gcc/cfglayout.c')
| -rw-r--r-- | gcc/cfglayout.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c index 41d92bb..2534965 100644 --- a/gcc/cfglayout.c +++ b/gcc/cfglayout.c @@ -56,7 +56,6 @@ static void change_scope (rtx, tree, tree); void verify_insn_chain (void); static void fixup_fallthru_exit_predecessor (void); static rtx duplicate_insn_chain (rtx, rtx); -static void break_superblocks (void); static tree insn_scope (rtx); rtx @@ -1144,23 +1143,22 @@ cfg_layout_initialize (void) } /* Splits superblocks. */ -static void +void break_superblocks (void) { sbitmap superblocks; - int i, need; + bool need = false; + basic_block bb; - superblocks = sbitmap_alloc (n_basic_blocks); + superblocks = sbitmap_alloc (last_basic_block); sbitmap_zero (superblocks); - need = 0; - - for (i = 0; i < n_basic_blocks; i++) - if (BASIC_BLOCK(i)->flags & BB_SUPERBLOCK) + FOR_EACH_BB (bb) + if (bb->flags & BB_SUPERBLOCK) { - BASIC_BLOCK(i)->flags &= ~BB_SUPERBLOCK; - SET_BIT (superblocks, i); - need = 1; + bb->flags &= ~BB_SUPERBLOCK; + SET_BIT (superblocks, bb->index); + need = true; } if (need) |