haifa-sched.c (add_dependence): Update the true dependency cache the first time…

haifa-sched.c (add_dependence): Update the true dependency cache the first time we add a true dependence to the...

        * haifa-sched.c (add_dependence): Update the true dependency
        cache the first time we add a true dependence to the LOG_LINKS chain.

From-SVN: r30176

gcc/ChangeLog

+Mon Oct 25 23:03:09 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* haifa-sched.c (add_dependence): Update the true dependency
+	cache the first time we add a true dependence to the LOG_LINKS chain.
+
 Mon Oct 25 22:27:40 1999  Jim Kingdon  <http://developer.redhat.com/>
 
 	* fold-const.c (fold): Fix comment.

gcc/haifa-sched.c

@@ -827,6 +827,13 @@ add_dependence (insn, elem, dep_type)
 
   /* Insn dependency, not data dependency.  */
   PUT_REG_NOTE_KIND (link, dep_type);
+
+#ifdef INSN_SCHEDULING
+  /* If we are adding a true dependency to INSN's LOG_LINKs, then
+     note that in the bitmap cache of true dependency information.  */
+  if ((int)dep_type == 0 && true_dependency_cache)
+    SET_BIT (true_dependency_cache[INSN_LUID (insn)], INSN_LUID (elem));
+#endif
 }
 
 #ifdef HAVE_cc0