diff options
Diffstat (limited to 'gcc-4.9/gcc/common/config/c6x/c6x-common.c')
-rw-r--r-- | gcc-4.9/gcc/common/config/c6x/c6x-common.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/c6x/c6x-common.c b/gcc-4.9/gcc/common/config/c6x/c6x-common.c new file mode 100644 index 000000000..8547a71bd --- /dev/null +++ b/gcc-4.9/gcc/common/config/c6x/c6x-common.c @@ -0,0 +1,64 @@ +/* TI C6X common hooks. + Copyright (C) 2011-2014 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 "diagnostic-core.h" +#include "tm.h" +#include "tm_p.h" +#include "common/common-target.h" +#include "common/common-target-def.h" +#include "opts.h" +#include "flags.h" + +/* Implement overriding of the optimization options. */ +static const struct default_options c6x_option_optimization_table[] = + { + { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, + { OPT_LEVELS_1_PLUS, OPT_frename_registers, NULL, 1 }, + { OPT_LEVELS_2_PLUS, OPT_fmodulo_sched, NULL, 1 }, + { OPT_LEVELS_ALL, OPT_freciprocal_math, NULL, 1 }, + { OPT_LEVELS_NONE, 0, NULL, 0 } + }; + +/* Implement TARGET_EXCEPT_UNWIND_INFO. */ + +static enum unwind_info_type +c6x_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED) +{ + /* Honor the --enable-sjlj-exceptions configure switch. */ +#ifdef CONFIG_SJLJ_EXCEPTIONS + if (CONFIG_SJLJ_EXCEPTIONS) + return UI_SJLJ; +#endif + + return UI_TARGET; +} + +#undef TARGET_DEFAULT_TARGET_FLAGS +#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT + +#undef TARGET_OPTION_OPTIMIZATION_TABLE +#define TARGET_OPTION_OPTIMIZATION_TABLE c6x_option_optimization_table + +#undef TARGET_EXCEPT_UNWIND_INFO +#define TARGET_EXCEPT_UNWIND_INFO c6x_except_unwind_info + +struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |