From: Maxim Kuvyrkov <maxim@codesourcery.com>
Date: Tue, 27 Jul 2010 19:38:10 +0000 (+0000)
Subject: re PR target/42495 (redundant memory load)
X-Git-Tag: upstream/12.2.0~91237
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c7c910cee2ebe8faf33297eba3600add9ab233d1;p=platform%2Fupstream%2Fgcc.git

re PR target/42495 (redundant memory load)

	PR target/42495
	PR middle-end/42574
	* gcse.c (hoist_expr_reaches_here_p): Remove excessive check.

From-SVN: r162592
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 36c9a1b..d1b8c54 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
 
+	PR target/42495
+	PR middle-end/42574
+	* gcse.c (hoist_expr_reaches_here_p): Remove excessive check.
+
+2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
 	* gcse.c (hoist_code): Generate new pseudo for every new set insn.
 
 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 812cc0a..9bb0bbd 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4335,9 +4335,6 @@ hoist_expr_reaches_here_p (basic_block expr_bb, int expr_index, basic_block bb,
       else if (visited[pred_bb->index])
 	continue;
 
-      /* Does this predecessor generate this expression?  */
-      else if (TEST_BIT (comp[pred_bb->index], expr_index))
-	break;
       else if (! TEST_BIT (transp[pred_bb->index], expr_index))
 	break;