| /* Common hooks for Renesas / SuperH SH. |
| Copyright (C) 1993-2013 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tm.h" |
| #include "common/common-target.h" |
| #include "common/common-target-def.h" |
| #include "opts.h" |
| #include "flags.h" |
| #include "params.h" |
| |
| /* Set default optimization options. */ |
| static const struct default_options sh_option_optimization_table[] = |
| { |
| { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, |
| { OPT_LEVELS_1_PLUS_SPEED_ONLY, OPT_mdiv_, "inv:minlat", 1 }, |
| { OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 }, |
| { OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 }, |
| { OPT_LEVELS_SIZE, OPT_mcbranchdi, NULL, 0 }, |
| /* We can't meaningfully test TARGET_SHMEDIA here, because -m |
| options haven't been parsed yet, hence we'd read only the |
| default. sh_target_reg_class will return NO_REGS if this is |
| not SHMEDIA, so it's OK to always set |
| flag_branch_target_load_optimize. */ |
| { OPT_LEVELS_2_PLUS, OPT_fbranch_target_load_optimize, NULL, 1 }, |
| { OPT_LEVELS_NONE, 0, NULL, 0 } |
| }; |
| |
| /* Implement TARGET_HANDLE_OPTION. */ |
| |
| static bool |
| sh_handle_option (struct gcc_options *opts, |
| struct gcc_options *opts_set ATTRIBUTE_UNUSED, |
| const struct cl_decoded_option *decoded, |
| location_t loc ATTRIBUTE_UNUSED) |
| { |
| size_t code = decoded->opt_index; |
| |
| switch (code) |
| { |
| case OPT_m1: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH1; |
| return true; |
| |
| case OPT_m2: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2; |
| return true; |
| |
| case OPT_m2a: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A; |
| return true; |
| |
| case OPT_m2a_nofpu: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_NOFPU; |
| return true; |
| |
| case OPT_m2a_single: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE; |
| return true; |
| |
| case OPT_m2a_single_only: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE_ONLY; |
| return true; |
| |
| case OPT_m2e: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2E; |
| return true; |
| |
| case OPT_m3: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3; |
| return true; |
| |
| case OPT_m3e: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3E; |
| return true; |
| |
| case OPT_m4: |
| case OPT_m4_100: |
| case OPT_m4_200: |
| case OPT_m4_300: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4; |
| return true; |
| |
| case OPT_m4_nofpu: |
| case OPT_m4_100_nofpu: |
| case OPT_m4_200_nofpu: |
| case OPT_m4_300_nofpu: |
| case OPT_m4_340: |
| case OPT_m4_400: |
| case OPT_m4_500: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_NOFPU; |
| return true; |
| |
| case OPT_m4_single: |
| case OPT_m4_100_single: |
| case OPT_m4_200_single: |
| case OPT_m4_300_single: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE; |
| return true; |
| |
| case OPT_m4_single_only: |
| case OPT_m4_100_single_only: |
| case OPT_m4_200_single_only: |
| case OPT_m4_300_single_only: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE_ONLY; |
| return true; |
| |
| case OPT_m4a: |
| opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A; |
| return true; |
| |
| case OPT_m4a_nofpu: |
| case OPT_m4al: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_NOFPU; |
| return true; |
| |
| case OPT_m4a_single: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE; |
| return true; |
| |
| case OPT_m4a_single_only: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE_ONLY; |
| return true; |
| |
| case OPT_m5_32media: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_32MEDIA; |
| return true; |
| |
| case OPT_m5_32media_nofpu: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_32MEDIA_NOFPU; |
| return true; |
| |
| case OPT_m5_64media: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_64MEDIA; |
| return true; |
| |
| case OPT_m5_64media_nofpu: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_64MEDIA_NOFPU; |
| return true; |
| |
| case OPT_m5_compact: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_COMPACT; |
| return true; |
| |
| case OPT_m5_compact_nofpu: |
| opts->x_target_flags |
| = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH5_COMPACT_NOFPU; |
| return true; |
| |
| default: |
| return true; |
| } |
| } |
| |
| /* Implement TARGET_OPTION_DEFAULT_PARAMS. */ |
| static void |
| sh_option_default_params (void) |
| { |
| set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 2); |
| } |
| |
| #undef TARGET_OPTION_OPTIMIZATION_TABLE |
| #define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table |
| #undef TARGET_OPTION_DEFAULT_PARAMS |
| #define TARGET_OPTION_DEFAULT_PARAMS sh_option_default_params |
| #undef TARGET_DEFAULT_TARGET_FLAGS |
| #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT |
| #undef TARGET_HANDLE_OPTION |
| #define TARGET_HANDLE_OPTION sh_handle_option |
| |
| struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |