From: Bernd Schmidt <bernd.schmidt@analog.com>
Date: Thu, 5 Mar 2009 15:09:22 +0000 (+0000)
Subject: bfin.c (bfin_discover_loop): When retrying fails, mark the loop as bad.
X-Git-Tag: releases/gcc-4.4.0~346
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f9e967516f1943dfd357af867683e83ff8a2c063;p=thirdparty%2Fgcc.git

bfin.c (bfin_discover_loop): When retrying fails, mark the loop as bad.

	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
	the loop as bad.

From-SVN: r144645
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a0ff5c863f2a..d2bb30fcafe0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
+	the loop as bad.
+
 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/39379
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index ec5dd57dde70..f4f9d45e3212 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -4362,6 +4362,12 @@ bfin_discover_loop (loop_info loop, basic_block tail_bb, rtx tail_insn)
 		      break;
 		    }
 		}
+	      if (!retry)
+		{
+		  if (dump_file)
+		    fprintf (dump_file, ";; No forwarder blocks found\n");
+		  loop->bad = 1;
+		}
 	    }
 	}
     }