From: Richard Kenner <kenner@gcc.gnu.org>
Date: Mon, 23 Sep 1996 20:15:26 +0000 (-0400)
Subject: (check_dbra_loop): Don't assume label must be second part of
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3c2f289c1ae0c7d3cee1ba0e2a2bca2b5736786e;p=gcc.git

(check_dbra_loop): Don't assume label must be second part of
if_then_else in condjump.

From-SVN: r12784
---

diff --git a/gcc/loop.c b/gcc/loop.c
index b3c49a4dd03..09ad338f14e 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -6028,6 +6028,8 @@ check_dbra_loop (loop_end, insn_count, loop_start)
 	      /* Save some info needed to produce the new insns.  */
 	      reg = bl->biv->dest_reg;
 	      jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 1);
+	      if (jump_label == pc_rtx)
+		jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 2);
 	      new_add_val = GEN_INT (- INTVAL (bl->biv->add_val));
 
 	      final_value = XEXP (comparison, 1);