c6x-common.c revision 1.3
1/* TI C6X common hooks. 2 Copyright (C) 2011-2015 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 3, or (at your option) 9any later version. 10 11GCC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING3. If not see 18<http://www.gnu.org/licenses/>. */ 19 20#include "config.h" 21#include "system.h" 22#include "coretypes.h" 23#include "diagnostic-core.h" 24#include "tm.h" 25#include "tm_p.h" 26#include "common/common-target.h" 27#include "common/common-target-def.h" 28#include "opts.h" 29#include "flags.h" 30 31/* Implement overriding of the optimization options. */ 32static const struct default_options c6x_option_optimization_table[] = 33 { 34 { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, 35 { OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 }, 36 { OPT_LEVELS_2_PLUS, OPT_fmodulo_sched, NULL, 1 }, 37 { OPT_LEVELS_ALL, OPT_freciprocal_math, NULL, 1 }, 38 { OPT_LEVELS_NONE, 0, NULL, 0 } 39 }; 40 41/* Implement TARGET_EXCEPT_UNWIND_INFO. */ 42 43static enum unwind_info_type 44c6x_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) 45{ 46 /* Honor the --enable-sjlj-exceptions configure switch. */ 47#ifdef CONFIG_SJLJ_EXCEPTIONS 48 if (CONFIG_SJLJ_EXCEPTIONS) 49 return UI_SJLJ; 50#endif 51 52 return UI_TARGET; 53} 54 55#undef TARGET_DEFAULT_TARGET_FLAGS 56#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT 57 58#undef TARGET_OPTION_OPTIMIZATION_TABLE 59#define TARGET_OPTION_OPTIMIZATION_TABLE c6x_option_optimization_table 60 61#undef TARGET_EXCEPT_UNWIND_INFO 62#define TARGET_EXCEPT_UNWIND_INFO c6x_except_unwind_info 63 64struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 65