diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-25 20:00:00 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-25 20:00:00 +0000 |
| commit | 54f7a9853bc0acf6a313e27df36ad8598f6e2fca (patch) | |
| tree | 8328d527b50b846c05df0b06c0dc56a80978890e /gcc/cfglayout.c | |
| parent | ab9b8800aa18a76d9514ccaeada3727e6d4a8a9c (diff) | |
| download | gcc-54f7a9853bc0acf6a313e27df36ad8598f6e2fca.tar.gz | |
* basic-block.h (make_eh_edge, break_superblocks): Declare.
* cfgbuild.c (make_eh_edge): Make global.
* cfglayout.c (break_superblocks): Likewise; fix memory leak.
* except.c (build_post_landing_pads, connect_post_landing_pads,
dw2_build_landing_pads, sjlj_emit_function_enter,
sjlj_emit_function_exit, sjlj_emit_dispatch_table,
sjlj_build_landing_pads): Update CFG.
(emit_to_new_bb_before): New function.
(finish_eh_generation): Do not rebuild the CFG.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78448 138bc75d-0d04-0410-961f-82ee72b054a4
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 41d92bbee6c..25349658355 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) |