From: Richard Stallman <rms@gnu.org>
Date: Sat, 24 Jul 1993 06:52:44 +0000 (+0000)
Subject: (mark_loop_jump): Handle weird cases like jumping to a symbol_ref.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6ccc3fb9dadaa4e0866176f01ac8f6984d20125;p=platform%2Fupstream%2Fgcc.git

(mark_loop_jump): Handle weird cases like jumping to a symbol_ref.

From-SVN: r4981
---

diff --git a/gcc/loop.c b/gcc/loop.c
index ad82384..1d1c03a 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -2538,8 +2538,17 @@ mark_loop_jump (x, loop_num)
       return;
 
     default:
-      /* Nothing else should occur in a JUMP_INSN.  */
-      abort ();
+      /* Treat anything else (such as a symbol_ref)
+	 as a branch out of this loop, but not into any loop.  */
+
+      if (loop_num != -1)
+	{
+	  LABEL_OUTSIDE_LOOP_P (x) = 1;
+	  LABEL_NEXTREF (x) = loop_number_exit_labels[loop_num];
+	  loop_number_exit_labels[loop_num] = x;
+	}
+
+      return;
     }
 }