1 /* Common hooks for Renesas M32R. 2 Copyright (C) 1996-2021 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 it 7 under the terms of the GNU General Public License as published 8 by the Free Software Foundation; either version 3, or (at your 9 option) any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 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 m32r_handle_option(struct gcc_options * opts,struct gcc_options * opts_set ATTRIBUTE_UNUSED,const struct cl_decoded_option * decoded,location_t loc ATTRIBUTE_UNUSED)32m32r_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 int value = decoded->value; 39 40 switch (code) 41 { 42 case OPT_m32r: 43 opts->x_target_flags &= ~(MASK_M32R2 | MASK_M32RX); 44 return true; 45 46 case OPT_mno_flush_func: 47 opts->x_m32r_cache_flush_func = NULL; 48 return true; 49 50 case OPT_mflush_trap_: 51 return value <= 15; 52 53 default: 54 return true; 55 } 56 } 57 58 #undef TARGET_DEFAULT_TARGET_FLAGS 59 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_CPU_DEFAULT 60 #undef TARGET_HANDLE_OPTION 61 #define TARGET_HANDLE_OPTION m32r_handle_option 62 63 #undef TARGET_EXCEPT_UNWIND_INFO 64 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info 65 66 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 67