Reduce memory waste due to non-power-of-2 allocs

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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@@ -1,6 +1,22 @@
 2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>
 
+       * ggc.h (ggc_round_alloc_size): Declare new public entry point.
+       * ggc-none.c (ggc_round_alloc_size): New public stub function.
+       * ggc-page.c (ggc_alloced_size_order_for_request): New static
+       function.  Factorized from ggc_internal_alloc_stat.
+       (ggc_round_alloc_size): New public function.  Uses
+       ggc_alloced_size_order_for_request.
+       (ggc_internal_alloc_stat): Use ggc_alloced_size_order_for_request.
+       * ggc-zone.c (ggc_round_alloc_size): New public function extracted
+       from ggc_internal_alloc_zone_stat.
+       (ggc_internal_alloc_zone_stat): Use ggc_round_alloc_size.
+       * toplev.c (general_init): Initialize
+       line_table->alloced_size_for_request.
+
+2011-10-15  Tom Tromey  <tromey@redhat.com>
+           Dodji Seketeli  <dodji@redhat.com>
+
        * input.c (ONE_K, ONE_M, SCALE, STAT_LABEL, FORMAT_AMOUNT): New
        macros.
        (num_expanded_macros_counter, num_macro_tokens_counter): Declare