re PR rtl-optimization/2960 (Duplicate loop conditions even with -Os)

        PR optimization/2960
        * toplev.c (rest_of_compilation): Don't copy_loop_headers if
        optimize_size.

From-SVN: r57870

gcc/ChangeLog

+2002-10-06  Richard Henderson  <rth@redhat.com>
+
+	PR optimization/2960
+	* toplev.c (rest_of_compilation): Don't copy_loop_headers if
+	optimize_size.
+
 2002-10-06  Alexandre Oliva  <aoliva@redhat.com>
 
 	* config/mips/mips.h (SIZE_TYPE, PTRDIFF_TYPE): Override

gcc/toplev.c

@@ -2676,7 +2676,8 @@ rest_of_compilation (decl)
 
   /* CFG is no longer maintained up-to-date.  */
   free_bb_for_insn ();
-  copy_loop_headers (insns);
+  if (!optimize_size)
+    copy_loop_headers (insns);
   purge_line_number_notes (insns);
   find_basic_blocks (insns, max_reg_num (), rtl_dump_file);