| /* Common hooks for IA64. |
| Copyright (C) 1999-2021 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 "diagnostic-core.h" |
| #include "tm.h" |
| #include "memmodel.h" |
| #include "tm_p.h" |
| #include "common/common-target.h" |
| #include "common/common-target-def.h" |
| #include "opts.h" |
| #include "flags.h" |
| |
| /* Implement overriding of the optimization options. */ |
| static const struct default_options ia64_option_optimization_table[] = |
| { |
| #ifdef SUBTARGET_OPTIMIZATION_OPTIONS |
| SUBTARGET_OPTIMIZATION_OPTIONS, |
| #endif |
| |
| /* Let the scheduler form additional regions. */ |
| { OPT_LEVELS_ALL, OPT__param_max_sched_extend_regions_iters_, NULL, 2 }, |
| /* Set the default values for cache-related parameters. */ |
| { OPT_LEVELS_ALL, OPT__param_simultaneous_prefetches_, NULL, 6 }, |
| { OPT_LEVELS_ALL, OPT__param_l1_cache_line_size_ , NULL, 32}, |
| { OPT_LEVELS_ALL, OPT__param_sched_mem_true_dep_cost_, NULL, 4 }, |
| |
| { OPT_LEVELS_NONE, 0, NULL, 0 } |
| }; |
| |
| /* Implement TARGET_HANDLE_OPTION. */ |
| |
| static bool |
| ia64_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED, |
| struct gcc_options *opts_set ATTRIBUTE_UNUSED, |
| const struct cl_decoded_option *decoded, |
| location_t loc) |
| { |
| size_t code = decoded->opt_index; |
| const char *arg = decoded->arg; |
| int value = decoded->value; |
| |
| switch (code) |
| { |
| case OPT_mtls_size_: |
| if (value != 14 && value != 22 && value != 64) |
| error_at (loc, "bad value %<%s%> for %<-mtls-size=%> switch", arg); |
| return true; |
| |
| default: |
| return true; |
| } |
| } |
| |
| /* Implement TARGET_EXCEPT_UNWIND_INFO. */ |
| |
| enum unwind_info_type |
| ia64_except_unwind_info (struct gcc_options *opts) |
| { |
| /* Honor the --enable-sjlj-exceptions configure switch. */ |
| #ifdef CONFIG_SJLJ_EXCEPTIONS |
| if (CONFIG_SJLJ_EXCEPTIONS) |
| return UI_SJLJ; |
| #endif |
| |
| /* For simplicity elsewhere in this file, indicate that all unwind |
| info is disabled if we're not emitting unwind tables. */ |
| if (!opts->x_flag_exceptions && !opts->x_flag_unwind_tables) |
| return UI_NONE; |
| |
| return UI_TARGET; |
| } |
| |
| #undef TARGET_OPTION_OPTIMIZATION_TABLE |
| #define TARGET_OPTION_OPTIMIZATION_TABLE ia64_option_optimization_table |
| |
| #undef TARGET_EXCEPT_UNWIND_INFO |
| #define TARGET_EXCEPT_UNWIND_INFO ia64_except_unwind_info |
| |
| #undef TARGET_DEFAULT_TARGET_FLAGS |
| #define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | TARGET_CPU_DEFAULT) |
| #undef TARGET_HANDLE_OPTION |
| #define TARGET_HANDLE_OPTION ia64_handle_option |
| |
| struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |