From fd0a91c904330c07f19abbf58a3fd6c5b9ea7054 Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 21 Aug 2013 18:35:01 +0000
Subject:         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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201905 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/dce.c | 11 -----------
 1 file changed, 11 deletions(-)

(limited to 'gcc/dce.c')

diff --git a/gcc/dce.c b/gcc/dce.c
index c0dd87a2628..fa22316b5cc 100644
--- a/gcc/dce.c
+++ b/gcc/dce.c
@@ -745,17 +745,6 @@ fini_dce (bool fast)
       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 ();
-    }
 }
 
 
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