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| author | Jan Hubicka <jh@suse.cz> | 2003-02-21 23:14:23 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2003-02-21 22:14:23 +0000 |
| commit | 9809a3624d899076cd7b3f756941ffba81dee7d8 (patch) | |
| tree | 783112e221f5003735edc015c9910f43ecb7852d /gcc | |
| parent | 19df1edfbe0c64fb1664d65a418fb757de9fb53c (diff) | |
| download | gcc-9809a3624d899076cd7b3f756941ffba81dee7d8.zip gcc-9809a3624d899076cd7b3f756941ffba81dee7d8.tar.gz gcc-9809a3624d899076cd7b3f756941ffba81dee7d8.tar.bz2 | |
cfgrtl.c (commit_edge_insertions): Call find_many_sub_basic_block only when some code has been emitted.
* cfgrtl.c (commit_edge_insertions): Call
find_many_sub_basic_block only when some code has been emitted.
(commit_edge_insertions_watch_calls): Bring into sync with
commit_edge_insertions
From-SVN: r63248
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cfgrtl.c | 34 |
2 files changed, 39 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a0cc8be..cc10d78 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Fri Feb 21 23:10:13 CET 2003 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (commit_edge_insertions): Call + find_many_sub_basic_block only when some code has been emitted. + (commit_edge_insertions_watch_calls): Bring into sync with + commit_edge_insertions + Fri Feb 21 20:41:29 2003 J"orn Rennecke <joern.rennecke@superh.com> * sh.h (OVERRIDE_OPTIONS): Fix code that clears 'e' register class. diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 6d3be7e..77290a9 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -1460,6 +1460,7 @@ commit_edge_insertions () { basic_block bb; sbitmap blocks; + bool changed = false; #ifdef ENABLE_CHECKING verify_flow_info (); @@ -1473,10 +1474,16 @@ commit_edge_insertions () { next = e->succ_next; if (e->insns) - commit_one_edge_insertion (e, false); + { + changed = true; + commit_one_edge_insertion (e, false); + } } } + if (!changed) + return; + blocks = sbitmap_alloc (last_basic_block); sbitmap_zero (blocks); FOR_EACH_BB (bb) @@ -1500,6 +1507,8 @@ void commit_edge_insertions_watch_calls () { basic_block bb; + sbitmap blocks; + bool changed = false; #ifdef ENABLE_CHECKING verify_flow_info (); @@ -1513,9 +1522,30 @@ commit_edge_insertions_watch_calls () { next = e->succ_next; if (e->insns) - commit_one_edge_insertion (e, true); + { + changed = true; + commit_one_edge_insertion (e, true); + } } } + + if (!changed) + return; + + blocks = sbitmap_alloc (last_basic_block); + sbitmap_zero (blocks); + FOR_EACH_BB (bb) + if (bb->aux) + { + SET_BIT (blocks, bb->index); + /* Check for forgotten bb->aux values before commit_edge_insertions + call. */ + if (bb->aux != &bb->aux) + abort (); + bb->aux = NULL; + } + find_many_sub_basic_blocks (blocks); + sbitmap_free (blocks); } /* Print out one basic block with live information at start and end. */ |