| /* Common hooks for Synopsys DesignWare ARC |
| Copyright (C) 1994-2021 Free Software Foundation, Inc. |
| Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| on behalf of Synopsys Inc. |
| Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com> |
| |
| 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 "diagnostic-core.h" |
| #include "tm.h" |
| #include "common/common-target.h" |
| #include "opts.h" |
| #include "flags.h" |
| |
| static void |
| arc_option_init_struct (struct gcc_options *opts ATTRIBUTE_UNUSED) |
| { |
| /* Which cpu we're compiling for (ARC600, ARC601, ARC700, ARCv2). */ |
| arc_cpu = PROCESSOR_NONE; |
| } |
| |
| /* Set default optimization options. */ |
| /* The conditions are incomplete, so we rely on the evaluation order here, |
| which goes from first to last, i.e. the last match prevails. */ |
| /* ??? But this trick only works for reject_negative options. Approximate |
| missing option combination. */ |
| #define OPT_LEVELS_3_PLUS_SPEED_ONLY OPT_LEVELS_3_PLUS |
| static const struct default_options arc_option_optimization_table[] = |
| { |
| { OPT_LEVELS_ALL, OPT_mRcq, NULL, 1 }, |
| { OPT_LEVELS_ALL, OPT_mRcw, NULL, 1 }, |
| { OPT_LEVELS_ALL, OPT_msize_level_, NULL, 1 }, |
| { OPT_LEVELS_ALL, OPT_mearly_cbranchsi, NULL, 1 }, |
| { OPT_LEVELS_ALL, OPT_mbbit_peephole, NULL, 1 }, |
| { OPT_LEVELS_SIZE, OPT_ftree_loop_optimize, NULL, 0}, |
| { OPT_LEVELS_SIZE, OPT_fmove_loop_invariants, NULL, 0}, |
| { OPT_LEVELS_SIZE, OPT_fbranch_count_reg, NULL, 0}, |
| { OPT_LEVELS_SIZE, OPT_fdelayed_branch, NULL, 0 }, |
| { OPT_LEVELS_SIZE, OPT_fsection_anchors, NULL, 1 }, |
| { OPT_LEVELS_SIZE, OPT_mcase_vector_pcrel, NULL, 1 }, |
| { OPT_LEVELS_SIZE, OPT_msize_level_, NULL, 3 }, |
| { OPT_LEVELS_SIZE, OPT_mmillicode, NULL, 1 }, |
| { OPT_LEVELS_SIZE, OPT_fif_conversion, NULL, 0 }, |
| { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, |
| { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_msize_level_, NULL, 0 }, |
| { OPT_LEVELS_NONE, 0, NULL, 0 } |
| }; |
| |
| /* Process options. */ |
| static bool |
| arc_handle_option (struct gcc_options *opts, |
| struct gcc_options *opts_set ATTRIBUTE_UNUSED, |
| const struct cl_decoded_option *decoded, |
| location_t loc) |
| { |
| size_t code = decoded->opt_index; |
| int value = decoded->value; |
| static int mcpu_seen = PROCESSOR_NONE; |
| |
| switch (code) |
| { |
| case OPT_mcpu_: |
| /* N.B., at this point arc_cpu has already been set to its new value by |
| our caller, so comparing arc_cpu with PROCESSOR_NONE is pointless. */ |
| |
| if (mcpu_seen != PROCESSOR_NONE && mcpu_seen != value) |
| warning_at (loc, 0, "multiple %<-mcpu=%> options specified"); |
| mcpu_seen = value; |
| break; |
| |
| case OPT_mmpy_option_: |
| if (opts->x_arc_mpy_option == 1) |
| warning_at (loc, 0, "Unsupported value for mmpy-option"); |
| break; |
| |
| default: |
| break; |
| } |
| |
| return true; |
| } |
| |
| #undef TARGET_OPTION_INIT_STRUCT |
| #define TARGET_OPTION_INIT_STRUCT arc_option_init_struct |
| |
| #undef TARGET_OPTION_OPTIMIZATION_TABLE |
| #define TARGET_OPTION_OPTIMIZATION_TABLE arc_option_optimization_table |
| |
| #define DEFAULT_NO_SDATA (TARGET_SDATA_DEFAULT ? 0 : MASK_NO_SDATA_SET) |
| |
| #undef TARGET_DEFAULT_TARGET_FLAGS |
| #define TARGET_DEFAULT_TARGET_FLAGS (DEFAULT_NO_SDATA | MASK_VOLATILE_CACHE_SET) |
| |
| #undef TARGET_HANDLE_OPTION |
| #define TARGET_HANDLE_OPTION arc_handle_option |
| |
| #include "common/common-target-def.h" |
| |
| struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |