re PR rtl-optimization/26232 (cc0 targets broken; loop-invariants-move code doesn't handle cc0.)

	PR rtl-optimization/26232
	* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.

From-SVN: r110897

gcc/ChangeLog

+2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
+
+	PR rtl-optimization/26232
+	* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
+
 2006-02-11  Jason Merrill  <jason@redhat.com>
 
 	PR tree-opt/24365

gcc/loop-invariant.c

@@ -730,6 +730,12 @@ find_invariant_insn (rtx insn, bool always_reached, bool always_executed)
       || find_reg_note (insn, REG_NO_CONFLICT, NULL_RTX))
     return;
 
+#ifdef HAVE_cc0
+  /* We can't move a CC0 setter without the user.  */
+  if (sets_cc0_p (insn))
+    return;
+#endif
+
   set = single_set (insn);
   if (!set)
     return;