alias.c (init_alias_analysis): Do not call prologue_epilogue_contains until…

alias.c (init_alias_analysis): Do not call prologue_epilogue_contains until after reload has completed.

        * alias.c (init_alias_analysis): Do not call
        prologue_epilogue_contains until after reload has completed.

From-SVN: r34838

gcc/ChangeLog

+Mon Jul  3 00:32:47 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* alias.c (init_alias_analysis): Do not call
+	prologue_epilogue_contains until after reload has completed.
+
 2000-07-02  Benjamin Chelf  <chelf@codesourcery.com>
 
 	* c-common.h (genrtl_begin_compound_stmt): Remove declaration.

gcc/alias.c

@@ -1984,7 +1984,12 @@ init_alias_analysis ()
 	      rtx note, set;
 
 #if defined (HAVE_prologue) || defined (HAVE_epilogue)
-	      if (prologue_epilogue_contains (insn))
+	      /* The prologue/epilouge insns are not threaded onto the
+		 insn chain until after reload has completed.  Thus,
+		 there is no sense wasting time checking if INSN is in
+		 the prologue/epilogue until after reload has completed.  */
+	      if (reload_completed
+		  && prologue_epilogue_contains (insn))
 		continue;
 #endif