1 /* Common hooks for CRIS. 2 Copyright (C) 1998-2020 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 /* TARGET_HANDLE_OPTION worker. We just store the values into local 30 variables here. Checks for correct semantics are in 31 cris_option_override. */ 32 33 static bool cris_handle_option(struct gcc_options * opts,struct gcc_options * opts_set ATTRIBUTE_UNUSED,const struct cl_decoded_option * decoded,location_t loc ATTRIBUTE_UNUSED)34cris_handle_option (struct gcc_options *opts, 35 struct gcc_options *opts_set ATTRIBUTE_UNUSED, 36 const struct cl_decoded_option *decoded, 37 location_t loc ATTRIBUTE_UNUSED) 38 { 39 size_t code = decoded->opt_index; 40 41 switch (code) 42 { 43 case OPT_metrax100: 44 opts->x_target_flags 45 |= (MASK_SVINTO 46 + MASK_ETRAX4_ADD 47 + MASK_ALIGN_BY_32); 48 break; 49 50 case OPT_mno_etrax100: 51 opts->x_target_flags 52 &= ~(MASK_SVINTO 53 + MASK_ETRAX4_ADD 54 + MASK_ALIGN_BY_32); 55 break; 56 57 case OPT_m32_bit: 58 case OPT_m32bit: 59 opts->x_target_flags 60 |= (MASK_STACK_ALIGN 61 + MASK_CONST_ALIGN 62 + MASK_DATA_ALIGN 63 + MASK_ALIGN_BY_32); 64 break; 65 66 case OPT_m16_bit: 67 case OPT_m16bit: 68 opts->x_target_flags 69 |= (MASK_STACK_ALIGN 70 + MASK_CONST_ALIGN 71 + MASK_DATA_ALIGN); 72 break; 73 74 case OPT_m8_bit: 75 case OPT_m8bit: 76 opts->x_target_flags 77 &= ~(MASK_STACK_ALIGN 78 + MASK_CONST_ALIGN 79 + MASK_DATA_ALIGN); 80 break; 81 82 default: 83 break; 84 } 85 86 return true; 87 } 88 89 #undef TARGET_DEFAULT_TARGET_FLAGS 90 #define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT) 91 #undef TARGET_HANDLE_OPTION 92 #define TARGET_HANDLE_OPTION cris_handle_option 93 94 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 95