diff options
| author | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-29 23:48:24 +0000 |
|---|---|---|
| committer | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-29 23:48:24 +0000 |
| commit | 55fed53b9bdfab1393003e01db7b97274ad8df78 (patch) | |
| tree | dc34da4c421183e51dafaacfe7f47b66a9b2eb81 /gcc | |
| parent | 40c74b02b7c3ff203aff0cfdfb1ff17f78b73ab8 (diff) | |
| download | gcc-55fed53b9bdfab1393003e01db7b97274ad8df78.tar.gz | |
* dce.c (run_word_dce): Take flag_dce into account. Clear and restore
df flags as in run_fast_df_dce.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162697 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/dce.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a0a3833a0ba..4a833cbd261 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-07-29 Bernd Schmidt <bernds@codesourcery.com> + + * dce.c (run_word_dce): Take flag_dce into account. Clear and restore + df flags as in run_fast_df_dce. + 2010-07-29 Jakub Jelinek <jakub@redhat.com> Revert: diff --git a/gcc/dce.c b/gcc/dce.c index 19f8e42030d..c940adf304f 100644 --- a/gcc/dce.c +++ b/gcc/dce.c @@ -1025,11 +1025,18 @@ rest_of_handle_fast_dce (void) void run_word_dce (void) { + int old_flags; + + if (!flag_dce) + return; + timevar_push (TV_DCE); + old_flags = df_clear_flags (DF_DEFER_INSN_RESCAN + DF_NO_INSN_RESCAN); df_word_lr_add_problem (); init_dce (true); fast_dce (true); fini_dce (true); + df_set_flags (old_flags); timevar_pop (TV_DCE); } |