| /* TI C6X common hooks. |
| Copyright (C) 2011-2014 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 "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 c6x_option_optimization_table[] = |
| { |
| { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, |
| { OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 }, |
| { OPT_LEVELS_2_PLUS, OPT_fmodulo_sched, NULL, 1 }, |
| { OPT_LEVELS_ALL, OPT_freciprocal_math, NULL, 1 }, |
| { OPT_LEVELS_NONE, 0, NULL, 0 } |
| }; |
| |
| /* Implement TARGET_EXCEPT_UNWIND_INFO. */ |
| |
| static enum unwind_info_type |
| c6x_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) |
| { |
| /* Honor the --enable-sjlj-exceptions configure switch. */ |
| #ifdef CONFIG_SJLJ_EXCEPTIONS |
| if (CONFIG_SJLJ_EXCEPTIONS) |
| return UI_SJLJ; |
| #endif |
| |
| return UI_TARGET; |
| } |
| |
| #undef TARGET_DEFAULT_TARGET_FLAGS |
| #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT |
| |
| #undef TARGET_OPTION_OPTIMIZATION_TABLE |
| #define TARGET_OPTION_OPTIMIZATION_TABLE c6x_option_optimization_table |
| |
| #undef TARGET_EXCEPT_UNWIND_INFO |
| #define TARGET_EXCEPT_UNWIND_INFO c6x_except_unwind_info |
| |
| struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |