From: Jim Wilson <wilson@gcc.gnu.org>
Date: Fri, 20 May 1994 16:59:51 +0000 (-0700)
Subject: (expand_exit_loop_if_false): Emit conditional jump around
X-Git-Tag: misc/cutover-egcs-0~6597
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d902c7ead337606903a3744440b7a684854ba2cb;p=thirdparty%2Fgcc.git

(expand_exit_loop_if_false): Emit conditional jump around
unconditional loop exit instead of conditional loop exit.

From-SVN: r7346
---

diff --git a/gcc/stmt.c b/gcc/stmt.c
index 4af0f315d162..9d2c97741e8d 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -2267,7 +2267,17 @@ expand_exit_loop_if_false (whichloop, cond)
 			       NULL_TREE);
     }
   else
-    do_jump (cond, whichloop->data.loop.end_label, NULL_RTX);
+    {
+      /* In order to handle fixups, we actually create a conditional jump
+	 around a unconditional branch to exit the loop.  If fixups are
+	 necessary, they go before the unconditional branch.  */
+
+      rtx label = gen_label_rtx ();
+      do_jump (cond, NULL_RTX, label);
+      expand_goto_internal (NULL_TREE, whichloop->data.loop.end_label,
+			    NULL_RTX);
+      emit_label (label);
+    }
 
   return 1;
 }