diff options
Diffstat (limited to 'gcc-4.8.3/gcc/common/config/ia64/ia64-common.c')
-rw-r--r-- | gcc-4.8.3/gcc/common/config/ia64/ia64-common.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/common/config/ia64/ia64-common.c b/gcc-4.8.3/gcc/common/config/ia64/ia64-common.c new file mode 100644 index 000000000..677ca4529 --- /dev/null +++ b/gcc-4.8.3/gcc/common/config/ia64/ia64-common.c @@ -0,0 +1,113 @@ +/* Common hooks for IA64. + Copyright (C) 1999-2013 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" +#include "params.h" + +/* Implement overriding of the optimization options. */ +static const struct default_options ia64_option_optimization_table[] = + { + { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, +#ifdef SUBTARGET_OPTIMIZATION_OPTIONS + SUBTARGET_OPTIMIZATION_OPTIONS, +#endif + { OPT_LEVELS_NONE, 0, NULL, 0 } + }; + +/* Implement TARGET_HANDLE_OPTION. */ + +static bool +ia64_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED, + struct gcc_options *opts_set ATTRIBUTE_UNUSED, + const struct cl_decoded_option *decoded, + location_t loc) +{ + size_t code = decoded->opt_index; + const char *arg = decoded->arg; + int value = decoded->value; + + switch (code) + { + case OPT_mtls_size_: + if (value != 14 && value != 22 && value != 64) + error_at (loc, "bad value %<%s%> for -mtls-size= switch", arg); + return true; + + default: + return true; + } +} + +/* Implement TARGET_EXCEPT_UNWIND_INFO. */ + +enum unwind_info_type +ia64_except_unwind_info (struct gcc_options *opts) +{ + /* Honor the --enable-sjlj-exceptions configure switch. */ +#ifdef CONFIG_SJLJ_EXCEPTIONS + if (CONFIG_SJLJ_EXCEPTIONS) + return UI_SJLJ; +#endif + + /* For simplicity elsewhere in this file, indicate that all unwind + info is disabled if we're not emitting unwind tables. */ + if (!opts->x_flag_exceptions && !opts->x_flag_unwind_tables) + return UI_NONE; + + return UI_TARGET; +} + +/* Implement TARGET_OPTION_DEFAULT_PARAMS. */ + +static void +ia64_option_default_params (void) +{ + /* Let the scheduler form additional regions. */ + set_default_param_value (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS, 2); + + /* Set the default values for cache-related parameters. */ + set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 6); + set_default_param_value (PARAM_L1_CACHE_LINE_SIZE, 32); + + set_default_param_value (PARAM_SCHED_MEM_TRUE_DEP_COST, 4); +} + +#undef TARGET_OPTION_OPTIMIZATION_TABLE +#define TARGET_OPTION_OPTIMIZATION_TABLE ia64_option_optimization_table +#undef TARGET_OPTION_DEFAULT_PARAMS +#define TARGET_OPTION_DEFAULT_PARAMS ia64_option_default_params + +#undef TARGET_EXCEPT_UNWIND_INFO +#define TARGET_EXCEPT_UNWIND_INFO ia64_except_unwind_info + +#undef TARGET_DEFAULT_TARGET_FLAGS +#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | TARGET_CPU_DEFAULT) +#undef TARGET_HANDLE_OPTION +#define TARGET_HANDLE_OPTION ia64_handle_option + +struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |