From: Bernd Schmidt <bernds@codesourcery.com>
Date: Tue, 27 Jul 2010 00:14:26 +0000 (+0000)
Subject: postreload.c (reload_combine_recognize_const_pattern): Move test for limiting the... 
X-Git-Tag: releases/gcc-4.6.0~5415
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=62036819d49e8cfecdb3cb6ce282d123971e2fe4;p=thirdparty%2Fgcc.git

postreload.c (reload_combine_recognize_const_pattern): Move test for limiting the insn movement to the right scope.

	* postreload.c (reload_combine_recognize_const_pattern): Move test
	for limiting the insn movement to the right scope.

From-SVN: r162550
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0ef4b455686e..24e1a9cec8b7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
+
+	* postreload.c (reload_combine_recognize_const_pattern): Move test
+	for limiting the insn movement to the right scope.
+
 2010-07-26  Richard Henderson  <rth@redhat.com>
 
 	PR target/44132
diff --git a/gcc/postreload.c b/gcc/postreload.c
index 31012214682c..2c6a8c590d0f 100644
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -955,8 +955,8 @@ reload_combine_recognize_const_pattern (rtx insn)
 	      && reg_state[clobbered_regno].real_store_ruid >= use_ruid)
 	    break;
 
-	  /* Avoid moving a use of ADDREG past a point where it
-	     is stored.  */
+	  gcc_assert (reg_state[regno].store_ruid <= use_ruid);
+	  /* Avoid moving a use of ADDREG past a point where it is stored.  */
 	  if (reg_state[REGNO (addreg)].store_ruid >= use_ruid)
 	    break;
 
@@ -1033,10 +1033,10 @@ reload_combine_recognize_const_pattern (rtx insn)
 		    }
 		}
 	    }
-	  /* If we get here, we couldn't handle this use.  */
-	  if (must_move_add)
-	    break;
 	}
+      /* If we get here, we couldn't handle this use.  */
+      if (must_move_add)
+	break;
     }
   while (use);