From: Jeff Law <law@redhat.com>
Date: Mon, 21 Feb 2005 16:21:00 +0000 (-0700)
Subject: cfganal.c (find_unreachable_blocks): Manually CSE load of e->dest.
X-Git-Tag: releases/gcc-4.0.0~697
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0b612e0bc78db837f362a4986dfd843cd98d7880;p=thirdparty%2Fgcc.git

cfganal.c (find_unreachable_blocks): Manually CSE load of e->dest.

        * cfganal.c (find_unreachable_blocks): Manually CSE load of
        e->dest.

From-SVN: r95334
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6efa2c8a64e8..37cf2fbec929 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-02-21  Jeff Law  <law@redhat.com>
+
+	* cfganal.c (find_unreachable_blocks): Manually CSE load of
+	e->dest.
+
 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
diff --git a/gcc/cfganal.c b/gcc/cfganal.c
index f23225352439..45e9590b3a36 100644
--- a/gcc/cfganal.c
+++ b/gcc/cfganal.c
@@ -308,11 +308,15 @@ find_unreachable_blocks (void)
       basic_block b = *--tos;
 
       FOR_EACH_EDGE (e, ei, b->succs)
-	if (!(e->dest->flags & BB_REACHABLE))
-	  {
-	    *tos++ = e->dest;
-	    e->dest->flags |= BB_REACHABLE;
-	  }
+	{
+	  basic_block dest = e->dest;
+
+	  if (!(dest->flags & BB_REACHABLE))
+	    {
+	      *tos++ = dest;
+	      dest->flags |= BB_REACHABLE;
+	    }
+	}
     }
 
   free (worklist);