From 35d59da7f7e282a68589d8c857ee7f0503d588d2 Mon Sep 17 00:00:00 2001
From: Uros Bizjak <uros@gcc.gnu.org>
Date: Mon, 21 Jan 2013 18:51:23 +0100
Subject: re PR rtl-optimization/56023 ([alpha] -fcompare-debug failure due to
 sched1 pass)

	PR rtl-optimization/56023
	* haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
	dependent on debug instruction.

testsuite/ChangeLog:

	PR rtl-optimization/56023
	* gcc.dg/pr56023.c: New test.

From-SVN: r195342
---
 gcc/haifa-sched.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'gcc/haifa-sched.c')

diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index f0a4dd5..c4591bfe 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -6809,6 +6809,9 @@ fix_inter_tick (rtx head, rtx tail)
 	      INSN_TICK (head) = tick;
 	    }
 
+	  if (DEBUG_INSN_P (head))
+	    continue;
+
 	  FOR_EACH_DEP (head, SD_LIST_RES_FORW, sd_it, dep)
 	    {
 	      rtx next;
-- 
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