2013-08-20 Alexey Makhalov <makhaloff@gmail.com>
* dce.c (fini_dce): Call df_analyze again just in case
delete_unmarked_insns removed anything.
From-SVN: r201905
+2013-08-21 Jeff Law <law@redhat.com>
+
+ Revert:
+ 2013-08-20 Alexey Makhalov <makhaloff@gmail.com>
+
+ * dce.c (fini_dce): Call df_analyze again just in case
+ delete_unmarked_insns removed anything.
+
2013-08-21 Joern Rennecke <joern.rennecke@embecosm.com>
* reload.h (struct reg_equivs): Rename to ..
bitmap_obstack_release (&dce_blocks_bitmap_obstack);
bitmap_obstack_release (&dce_tmp_bitmap_obstack);
}
-
- /* If DCE removes the last reference to a hard register, we want
- to recompute REGS_EVER_LIVE and the global life information.
-
- Ideally we'd look at REGS_EVER_LIVE before and after and only
- rerun DF analysis if something changed. */
- if (!df_in_progress)
- {
- df_compute_regs_ever_live (true);
- df_analyze ();
- }
}