1 /* Common hooks for MIPS. 2 Copyright (C) 1989-2013 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along 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 "tm.h" 24 #include "common/common-target.h" 25 #include "common/common-target-def.h" 26 #include "opts.h" 27 #include "flags.h" 28 29 /* Implement TARGET_HANDLE_OPTION. */ 30 31 static bool 32 mips_handle_option (struct gcc_options *opts, 33 struct gcc_options *opts_set ATTRIBUTE_UNUSED, 34 const struct cl_decoded_option *decoded, 35 location_t loc ATTRIBUTE_UNUSED) 36 { 37 size_t code = decoded->opt_index; 38 39 switch (code) 40 { 41 case OPT_mno_flush_func: 42 opts->x_mips_cache_flush_func = NULL; 43 return true; 44 45 default: 46 return true; 47 } 48 } 49 50 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */ 51 static const struct default_options mips_option_optimization_table[] = 52 { 53 { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, 54 { OPT_LEVELS_NONE, 0, NULL, 0 } 55 }; 56 57 #undef TARGET_OPTION_OPTIMIZATION_TABLE 58 #define TARGET_OPTION_OPTIMIZATION_TABLE mips_option_optimization_table 59 60 #undef TARGET_DEFAULT_TARGET_FLAGS 61 #define TARGET_DEFAULT_TARGET_FLAGS \ 62 (TARGET_DEFAULT \ 63 | TARGET_CPU_DEFAULT \ 64 | TARGET_ENDIAN_DEFAULT \ 65 | TARGET_FP_EXCEPTIONS_DEFAULT \ 66 | MASK_CHECK_ZERO_DIV \ 67 | MASK_FUSED_MADD) 68 #undef TARGET_HANDLE_OPTION 69 #define TARGET_HANDLE_OPTION mips_handle_option 70 71 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 72