avr-common.c revision 1.6
1/* Common hooks for ATMEL AVR. 2 Copyright (C) 1998-2017 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 27/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */ 28static const struct default_options avr_option_optimization_table[] = 29 { 30 { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, 31 // The only effect of -fcaller-saves might be that it triggers 32 // a frame without need when it tries to be smart around calls. 33 { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 }, 34 { OPT_LEVELS_NONE, 0, NULL, 0 } 35 }; 36 37#undef TARGET_OPTION_OPTIMIZATION_TABLE 38#define TARGET_OPTION_OPTIMIZATION_TABLE avr_option_optimization_table 39 40#undef TARGET_EXCEPT_UNWIND_INFO 41#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info 42 43struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 44