1 /* Common hooks for MIPS. 2 Copyright (C) 1989-2021 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 mips_handle_option(struct gcc_options * opts,struct gcc_options * opts_set ATTRIBUTE_UNUSED,const struct cl_decoded_option * decoded,location_t loc ATTRIBUTE_UNUSED)32mips_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 case OPT_mfp32: 46 case OPT_mfp64: 47 opts->x_target_flags &= ~MASK_FLOATXX; 48 return true; 49 50 case OPT_mfpxx: 51 opts->x_target_flags &= ~MASK_FLOAT64; 52 return true; 53 54 default: 55 return true; 56 } 57 } 58 59 #undef TARGET_DEFAULT_TARGET_FLAGS 60 #define TARGET_DEFAULT_TARGET_FLAGS \ 61 (TARGET_DEFAULT \ 62 | TARGET_CPU_DEFAULT \ 63 | TARGET_ENDIAN_DEFAULT \ 64 | MASK_CHECK_ZERO_DIV) 65 #undef TARGET_HANDLE_OPTION 66 #define TARGET_HANDLE_OPTION mips_handle_option 67 68 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 69