diff options
Diffstat (limited to 'gcc-4.9/gcc/common/config/cris/cris-common.c')
-rw-r--r-- | gcc-4.9/gcc/common/config/cris/cris-common.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/cris/cris-common.c b/gcc-4.9/gcc/common/config/cris/cris-common.c new file mode 100644 index 000000000..d605ac69b --- /dev/null +++ b/gcc-4.9/gcc/common/config/cris/cris-common.c @@ -0,0 +1,104 @@ +/* Common hooks for CRIS. + Copyright (C) 1998-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" +#include "common/common-target.h" +#include "common/common-target-def.h" +#include "opts.h" +#include "flags.h" + +/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */ + +static const struct default_options cris_option_optimization_table[] = + { + { OPT_LEVELS_2_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, + { OPT_LEVELS_NONE, 0, NULL, 0 } + }; + +/* TARGET_HANDLE_OPTION worker. We just store the values into local + variables here. Checks for correct semantics are in + cris_option_override. */ + +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) +{ + size_t code = decoded->opt_index; + + switch (code) + { + case OPT_metrax100: + opts->x_target_flags + |= (MASK_SVINTO + + MASK_ETRAX4_ADD + + MASK_ALIGN_BY_32); + break; + + case OPT_mno_etrax100: + opts->x_target_flags + &= ~(MASK_SVINTO + + MASK_ETRAX4_ADD + + MASK_ALIGN_BY_32); + break; + + case OPT_m32_bit: + case OPT_m32bit: + opts->x_target_flags + |= (MASK_STACK_ALIGN + + MASK_CONST_ALIGN + + MASK_DATA_ALIGN + + MASK_ALIGN_BY_32); + break; + + case OPT_m16_bit: + case OPT_m16bit: + opts->x_target_flags + |= (MASK_STACK_ALIGN + + MASK_CONST_ALIGN + + MASK_DATA_ALIGN); + break; + + case OPT_m8_bit: + case OPT_m8bit: + opts->x_target_flags + &= ~(MASK_STACK_ALIGN + + MASK_CONST_ALIGN + + MASK_DATA_ALIGN); + break; + + default: + break; + } + + return true; +} + +#undef TARGET_DEFAULT_TARGET_FLAGS +#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT) +#undef TARGET_HANDLE_OPTION +#define TARGET_HANDLE_OPTION cris_handle_option +#undef TARGET_OPTION_OPTIMIZATION_TABLE +#define TARGET_OPTION_OPTIMIZATION_TABLE cris_option_optimization_table + +struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |