From: Seongbae Park <seongbae.park@gmail.com>
Date: Wed, 27 Jun 2007 18:17:15 +0000 (+0000)
Subject: re PR target/32481 (ICE in df_refs_verify, at df-scan.c:4058)
X-Git-Tag: releases/gcc-4.3.0~4280
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=531ba5d28584a663a3dced511b35c94f67db398c;p=thirdparty%2Fgcc.git

re PR target/32481 (ICE in df_refs_verify, at df-scan.c:4058)

2007-06-27  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/32481
	* combine.c (adjust_for_new_dest): Rescan the changed insn.

From-SVN: r126058
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 898244a48f73..795d13d2d246 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
+
+	PR rtl-optimization/32481
+	* combine.c (adjust_for_new_dest): Rescan the changed insn.
+
 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
 
 	* dce.c (deletable_insn_p_1): New function, split out from...
diff --git a/gcc/combine.c b/gcc/combine.c
index cb0d00f6f823..fece7e026147 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -2057,6 +2057,8 @@ adjust_for_new_dest (rtx insn)
      of an insn just above it.  Call distribute_links to make a LOG_LINK from
      the next use of that destination.  */
   distribute_links (gen_rtx_INSN_LIST (VOIDmode, insn, NULL_RTX));
+
+  df_insn_rescan (insn);
 }
 
 /* Return TRUE if combine can reuse reg X in mode MODE.