From: Alan Modra <amodra@bigpond.net.au>
Date: Thu, 26 Feb 2004 03:21:15 +0000 (+0000)
Subject: gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0.
X-Git-Tag: releases/gcc-4.0.0~9839
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb643f644219601f40bbbb52ea5727d537da92e3;p=thirdparty%2Fgcc.git

gcse.c (delete_null_pointer_checks_1): Do not delete CC setter unless HAVE_cc0.

	* gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
	unless HAVE_cc0.

From-SVN: r78484
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4e1d24895e42..0ae22cb8a01f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-26  Alan Modra  <amodra@bigpond.net.au>
+
+	* gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
+	unless HAVE_cc0.
+
 2004-02-25  Richard Henderson  <rth@redhat.com>
 
 	* explow.c (force_reg): Call mark_reg_pointer as appropriate.
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 36950b186bfc..ad1c9fda64ec 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -6069,8 +6069,10 @@ delete_null_pointer_checks_1 (unsigned int *block_reg, sbitmap *nonnull_avin,
 
       something_changed = 1;
       delete_insn (last_insn);
+#ifdef HAVE_cc0
       if (compare_and_branch == 2)
 	delete_insn (earliest);
+#endif
       purge_dead_edges (bb);
 
       /* Don't check this block again.  (Note that BB_END is