diff options
Diffstat (limited to 'gcc/config/mcore')
| -rw-r--r-- | gcc/config/mcore/mcore.c | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c index 152c343964b..9bacc5caee0 100644 --- a/gcc/config/mcore/mcore.c +++ b/gcc/config/mcore/mcore.c @@ -145,7 +145,6 @@ static int mcore_arg_partial_bytes (CUMULATIVE_ARGS *, static void mcore_asm_trampoline_template (FILE *); static void mcore_trampoline_init (rtx, tree, rtx); static void mcore_option_override (void); -static void mcore_option_optimization (int, int); /* MCore specific attributes. */ @@ -157,6 +156,23 @@ static const struct attribute_spec mcore_attribute_table[] = { "naked", 0, 0, true, false, false, mcore_handle_naked_attribute }, { NULL, 0, 0, false, false, false, NULL } }; + +/* What options are we going to default to specific settings when + -O* happens; the user can subsequently override these settings. + + Omitting the frame pointer is a very good idea on the MCore. + Scheduling isn't worth anything on the current MCore implementation. */ + +static const struct default_options mcore_option_optimization_table[] = + { + { OPT_LEVELS_1_PLUS, OPT_ffunction_cse, NULL, 0 }, + { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, + { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 }, + { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 }, + { OPT_LEVELS_ALL, OPT_fschedule_insns2, NULL, 0 }, + { OPT_LEVELS_SIZE, OPT_mhardlit, NULL, 0 }, + { OPT_LEVELS_NONE, 0, NULL, 0 } + }; /* Initialize the GCC target structure. */ #undef TARGET_ASM_EXTERNAL_LIBCALL @@ -224,8 +240,8 @@ static const struct attribute_spec mcore_attribute_table[] = #undef TARGET_OPTION_OVERRIDE #define TARGET_OPTION_OVERRIDE mcore_option_override -#undef TARGET_OPTION_OPTIMIZATION -#define TARGET_OPTION_OPTIMIZATION mcore_option_optimization +#undef TARGET_OPTION_OPTIMIZATION_TABLE +#define TARGET_OPTION_OPTIMIZATION_TABLE mcore_option_optimization_table #undef TARGET_EXCEPT_UNWIND_INFO #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info @@ -2692,33 +2708,6 @@ mcore_option_override (void) target_flags |= MASK_M340; } -/* What options are we going to default to specific settings when - -O* happens; the user can subsequently override these settings. - - Omitting the frame pointer is a very good idea on the MCore. - Scheduling isn't worth anything on the current MCore implementation. */ - -static void -mcore_option_optimization (int level, int size) -{ - if (level) - { - flag_no_function_cse = 1; - flag_omit_frame_pointer = 1; - - if (level >= 2) - { - flag_caller_saves = 0; - flag_schedule_insns = 0; - flag_schedule_insns_after_reload = 0; - } - } - if (size) - { - target_flags &= ~MASK_HARDLIT; - } -} - /* Compute the number of word sized registers needed to hold a function argument of mode MODE and type TYPE. */ |