gcc/common/config/tilegx/tilegx-common.c

   1 /* Common hooks for TILE-Gx.
   2    Copyright (C) 2011-2018 Free Software Foundation, Inc.
   3    Contributed by Walter Lee (walt@tilera.com)
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 3, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #include "config.h"
  22 #include "system.h"
  23 #include "coretypes.h"
  24 #include "diagnostic-core.h"
  25 #include "tm.h"
  26 #include "common/common-target.h"
  27 #include "common/common-target-def.h"
  28 #include "opts.h"
  29 #include "flags.h"
  30
  31 static const struct default_options tilegx_option_optimization_table[] = {
  32   /* Scheduling and bundling are super important for our architecture, so
  33      enable them at -O1. */
  34   {OPT_LEVELS_1_PLUS, OPT_fschedule_insns, NULL, 1},
  35   {OPT_LEVELS_1_PLUS, OPT_fschedule_insns2, NULL, 1},
  36   {OPT_LEVELS_NONE, 0, NULL, 0}
  37 };
  38
  39
  40 static void
  41 tilegx_option_init_struct (struct gcc_options *opts)
  42 {
  43   opts->x_flag_asynchronous_unwind_tables = 1;
  44 }
  45
  46
  47 #undef  TARGET_DEFAULT_TARGET_FLAGS
  48 #define TARGET_DEFAULT_TARGET_FLAGS \
  49   (TARGET_DEFAULT                   \
  50    | TARGET_ENDIAN_DEFAULT)
  51
  52 #undef  TARGET_OPTION_OPTIMIZATION_TABLE
  53 #define TARGET_OPTION_OPTIMIZATION_TABLE tilegx_option_optimization_table
  54
  55 #undef  TARGET_OPTION_INIT_STRUCT
  56 #define TARGET_OPTION_INIT_STRUCT tilegx_option_init_struct
  57
  58 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;