#include "except.h"
#include "lto-streamer.h"
-/* Value of the -G xx switch, and whether it was passed or not. */
-unsigned HOST_WIDE_INT g_switch_value;
-bool g_switch_set;
-
-/* Same for selective scheduling. */
-bool sel_sched_switch_set;
-
/* True if we should exit after parsing options. */
bool exit_after_options;
-/* True to warn about any objects definitions whose size is larger
- than N bytes. Also want about function definitions whose returned
- values are larger than N bytes, where N is `larger_than_size'. */
-bool warn_larger_than;
-HOST_WIDE_INT larger_than_size;
-
-/* True to warn about any function whose frame size is larger
- than N bytes. */
-bool warn_frame_larger_than;
-HOST_WIDE_INT frame_larger_than_size;
-
/* Type(s) of debugging information we are producing (if any). See
flags.h for the definitions of the different possible types of
debugging information. */
static enum debug_struct_file debug_struct_generic[DINFO_USAGE_NUM_ENUMS]
= { DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY };
+/* Run the second compilation of -fcompare-debug. Not defined using
+ Var in common.opt because this is used in Ada code and so must be
+ an actual variable not a macro. */
+int flag_compare_debug;
+
/* Parse the -femit-struct-debug-detailed option value
and set the flag variables. */
write_symbols is set to DBX_DEBUG, XCOFF_DEBUG, or DWARF_DEBUG. */
bool use_gnu_debug_info_extensions;
-/* The default visibility for all symbols (unless overridden) */
-enum symbol_visibility default_visibility = VISIBILITY_DEFAULT;
-
/* Global visibility options. */
struct visibility_flags visibility_options;
/* What to print when a switch has no documentation. */
static const char undocumented_msg[] = N_("This switch lacks documentation");
-/* Used for bookkeeping on whether user set these flags so
- -fprofile-use/-fprofile-generate does not use them. */
-static bool profile_arc_flag_set, flag_profile_values_set;
-static bool flag_unroll_loops_set, flag_tracer_set;
-static bool flag_value_profile_transformations_set;
-static bool flag_peel_loops_set, flag_branch_probabilities_set;
-static bool flag_inline_functions_set, flag_ipa_cp_set, flag_ipa_cp_clone_set;
-static bool flag_predictive_commoning_set, flag_unswitch_loops_set, flag_gcse_after_reload_set;
-
/* Functions excluded from profiling. */
typedef char *char_p; /* For DEF_VEC_P. */
static VEC(const_char_p,heap) *ignored_options;
-/* Language specific warning pass for unused results. */
-bool flag_warn_unused_result = false;
-
/* Input file names. */
const char **in_fnames;
unsigned num_in_fnames;
-static bool common_handle_option (const struct cl_decoded_option *decoded,
+static bool common_handle_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct cl_decoded_option *decoded,
unsigned int lang_mask, int kind,
- const struct cl_option_handlers *handlers);
-static void handle_param (const char *);
+ location_t loc,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc);
+static void handle_param (struct gcc_options *opts,
+ struct gcc_options *opts_set, const char *carg);
static char *write_langs (unsigned int lang_mask);
static void complain_wrong_lang (const struct cl_decoded_option *,
unsigned int lang_mask);
static void set_debug_level (enum debug_info_type type, int extended,
const char *arg);
+static void set_fast_math_flags (struct gcc_options *opts, int set);
+static void set_unsafe_math_optimizations_flags (struct gcc_options *opts,
+ int set);
+static void enable_warning_as_error (const char *arg, int value,
+ unsigned int lang_mask,
+ const struct cl_option_handlers *handlers,
+ struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ location_t loc,
+ diagnostic_context *dc);
/* Return a malloced slash-separated list of languages in MASK. */
static char *
handle_option. */
static bool
-lang_handle_option (const struct cl_decoded_option *decoded,
+lang_handle_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct cl_decoded_option *decoded,
unsigned int lang_mask ATTRIBUTE_UNUSED, int kind,
- const struct cl_option_handlers *handlers)
+ location_t loc,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
{
+ gcc_assert (opts == &global_options);
+ gcc_assert (opts_set == &global_options_set);
+ gcc_assert (dc == global_dc);
gcc_assert (decoded->canonical_option_num_elements <= 2);
return lang_hooks.handle_option (decoded->opt_index, decoded->arg,
- decoded->value, kind, handlers);
+ decoded->value, kind, loc, handlers);
}
/* Handle a back-end option; arguments and return value as for
handle_option. */
static bool
-target_handle_option (const struct cl_decoded_option *decoded,
+target_handle_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct cl_decoded_option *decoded,
unsigned int lang_mask ATTRIBUTE_UNUSED, int kind,
- const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED)
+ location_t loc,
+ const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED,
+ diagnostic_context *dc)
{
+ gcc_assert (opts == &global_options);
+ gcc_assert (opts_set == &global_options_set);
+ gcc_assert (dc == global_dc);
gcc_assert (decoded->canonical_option_num_elements <= 2);
gcc_assert (kind == DK_UNSPECIFIED);
+ gcc_assert (loc == UNKNOWN_LOCATION);
return targetm.handle_option (decoded->opt_index, decoded->arg,
decoded->value);
}
}
-/* Handle the vector of command line options. LANG_MASK
- contains has a single bit set representing the current
- language. HANDLERS describes what functions to call for the options. */
+/* Handle the vector of command line options (located at LOC), storing
+ the results of processing DECODED_OPTIONS and DECODED_OPTIONS_COUNT
+ in OPTS and OPTS_SET and using DC for diagnostic state. LANG_MASK
+ contains has a single bit set representing the current language.
+ HANDLERS describes what functions to call for the options. */
static void
-read_cmdline_options (struct cl_decoded_option *decoded_options,
+read_cmdline_options (struct gcc_options *opts, struct gcc_options *opts_set,
+ struct cl_decoded_option *decoded_options,
unsigned int decoded_options_count,
+ location_t loc,
unsigned int lang_mask,
- const struct cl_option_handlers *handlers)
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
{
unsigned int i;
{
if (decoded_options[i].opt_index == OPT_SPECIAL_input_file)
{
+ /* Input files should only ever appear on the main command
+ line. */
+ gcc_assert (opts == &global_options);
+ gcc_assert (opts_set == &global_options_set);
+
if (main_input_filename == NULL)
{
main_input_filename = decoded_options[i].arg;
continue;
}
- read_cmdline_option (decoded_options + i, lang_mask, handlers);
+ read_cmdline_option (opts, opts_set,
+ decoded_options + i, loc, lang_mask, handlers,
+ dc);
}
}
-/* Parse command line options and set default flag values. Do minimal
- options processing. The decoded options are placed in *DECODED_OPTIONS
- and *DECODED_OPTIONS_COUNT. */
+/* Language mask determined at initialization. */
+static unsigned int initial_lang_mask;
+
+/* Initialize global options-related settings at start-up. */
+
void
-decode_options (unsigned int argc, const char **argv,
- struct cl_decoded_option **decoded_options,
- unsigned int *decoded_options_count)
+init_options_once (void)
{
- static bool first_time_p = true;
- static int initial_min_crossjump_insns;
- static int initial_max_fields_for_field_sensitive;
- static int initial_loop_invariant_max_bbs_in_loop;
- static unsigned int initial_lang_mask;
- struct cl_option_handlers handlers;
+ /* Perform language-specific options initialization. */
+ initial_lang_mask = lang_hooks.option_lang_mask ();
- unsigned int i, lang_mask;
- int opt1;
- int opt2;
- int opt3;
- int opt1_max;
- int ofast = 0;
+ lang_hooks.initialize_diagnostics (global_dc);
+}
- if (first_time_p)
- {
- /* Perform language-specific options initialization. */
- initial_lang_mask = lang_mask = lang_hooks.option_lang_mask ();
-
- lang_hooks.initialize_diagnostics (global_dc);
-
- /* Save initial values of parameters we reset. */
- initial_min_crossjump_insns
- = compiler_params[PARAM_MIN_CROSSJUMP_INSNS].value;
- initial_max_fields_for_field_sensitive
- = compiler_params[PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE].value;
- initial_loop_invariant_max_bbs_in_loop
- = compiler_params[PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP].value;
- }
- else
- lang_mask = initial_lang_mask;
+/* Initialize OPTS and OPTS_SET before using them in parsing options. */
+void
+init_options_struct (struct gcc_options *opts, struct gcc_options *opts_set)
+{
+ size_t num_params = get_num_compiler_params ();
+
+ *opts = global_options_init;
+ memset (opts_set, 0, sizeof (*opts_set));
+
+ opts->x_param_values = XNEWVEC (int, num_params);
+ opts_set->x_param_values = XCNEWVEC (int, num_params);
+ init_param_values (opts->x_param_values);
+
+ /* Use priority coloring if cover classes is not defined for the
+ target. */
+ if (targetm.ira_cover_classes == NULL)
+ opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
+
+ /* Initialize whether `char' is signed. */
+ opts->x_flag_signed_char = DEFAULT_SIGNED_CHAR;
+ /* Set this to a special "uninitialized" value. The actual default
+ is set after target options have been processed. */
+ opts->x_flag_short_enums = 2;
+
+ /* Initialize target_flags before targetm.target_option.optimization
+ so the latter can modify it. */
+ opts->x_target_flags = targetm.default_target_flags;
+
+ /* Some targets have ABI-specified unwind tables. */
+ opts->x_flag_unwind_tables = targetm.unwind_tables_default;
+
+ /* Some targets have other target-specific initialization. */
+ targetm.target_option.init_struct (opts);
+}
+
+/* Decode command-line options to an array, like
+ decode_cmdline_options_to_array and with the same arguments but
+ using the default lang_mask. */
+
+void
+decode_cmdline_options_to_array_default_mask (unsigned int argc,
+ const char **argv,
+ struct cl_decoded_option **decoded_options,
+ unsigned int *decoded_options_count)
+{
decode_cmdline_options_to_array (argc, argv,
- lang_mask | CL_COMMON | CL_TARGET,
+ initial_lang_mask | CL_COMMON | CL_TARGET,
decoded_options, decoded_options_count);
- if (first_time_p)
- /* Perform language-specific options initialization. */
- lang_hooks.init_options (*decoded_options_count, *decoded_options);
-
- handlers.unknown_option_callback = unknown_option_callback;
- handlers.wrong_lang_callback = complain_wrong_lang;
- handlers.post_handling_callback = post_handling_callback;
- handlers.num_handlers = 3;
- handlers.handlers[0].handler = lang_handle_option;
- handlers.handlers[0].mask = lang_mask;
- handlers.handlers[1].handler = common_handle_option;
- handlers.handlers[1].mask = CL_COMMON;
- handlers.handlers[2].handler = target_handle_option;
- handlers.handlers[2].mask = CL_TARGET;
+}
+
+/* If indicated by the optimization level LEVEL (-Os if SIZE is set,
+ -Ofast if FAST is set), apply the option DEFAULT_OPT to OPTS and
+ OPTS_SET, diagnostic context DC, location LOC, with language mask
+ LANG_MASK and option handlers HANDLERS. */
+
+static void
+maybe_default_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct default_options *default_opt,
+ int level, bool size, bool fast,
+ unsigned int lang_mask,
+ const struct cl_option_handlers *handlers,
+ location_t loc,
+ diagnostic_context *dc)
+{
+ const struct cl_option *option = &cl_options[default_opt->opt_index];
+ bool enabled;
+
+ if (size)
+ gcc_assert (level == 2);
+ if (fast)
+ gcc_assert (level == 3);
+
+ switch (default_opt->levels)
+ {
+ case OPT_LEVELS_ALL:
+ enabled = true;
+ break;
+
+ case OPT_LEVELS_0_ONLY:
+ enabled = (level == 0);
+ break;
+
+ case OPT_LEVELS_1_PLUS:
+ enabled = (level >= 1);
+ break;
+
+ case OPT_LEVELS_1_PLUS_SPEED_ONLY:
+ enabled = (level >= 1 && !size);
+ break;
+
+ case OPT_LEVELS_2_PLUS:
+ enabled = (level >= 2);
+ break;
+
+ case OPT_LEVELS_2_PLUS_SPEED_ONLY:
+ enabled = (level >= 2 && !size);
+ break;
+
+ case OPT_LEVELS_3_PLUS:
+ enabled = (level >= 3);
+ break;
+
+ case OPT_LEVELS_3_PLUS_AND_SIZE:
+ enabled = (level >= 3 || size);
+ break;
+
+ case OPT_LEVELS_SIZE:
+ enabled = size;
+ break;
+
+ case OPT_LEVELS_FAST:
+ enabled = fast;
+ break;
+
+ case OPT_LEVELS_NONE:
+ default:
+ gcc_unreachable ();
+ }
+
+ if (enabled)
+ handle_generated_option (opts, opts_set, default_opt->opt_index,
+ default_opt->arg, default_opt->value,
+ lang_mask, DK_UNSPECIFIED, loc,
+ handlers, dc);
+ else if (default_opt->arg == NULL
+ && !(option->flags & CL_REJECT_NEGATIVE))
+ handle_generated_option (opts, opts_set, default_opt->opt_index,
+ default_opt->arg, !default_opt->value,
+ lang_mask, DK_UNSPECIFIED, loc,
+ handlers, dc);
+}
+
+/* As indicated by the optimization level LEVEL (-Os if SIZE is set,
+ -Ofast if FAST is set), apply the options in array DEFAULT_OPTS to
+ OPTS and OPTS_SET, diagnostic context DC, location LOC, with
+ language mask LANG_MASK and option handlers HANDLERS. */
+
+static void
+maybe_default_options (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct default_options *default_opts,
+ int level, bool size, bool fast,
+ unsigned int lang_mask,
+ const struct cl_option_handlers *handlers,
+ location_t loc,
+ diagnostic_context *dc)
+{
+ size_t i;
+
+ for (i = 0; default_opts[i].levels != OPT_LEVELS_NONE; i++)
+ maybe_default_option (opts, opts_set, &default_opts[i],
+ level, size, fast, lang_mask, handlers, loc, dc);
+}
+
+/* Table of options enabled by default at different levels. */
+
+static const struct default_options default_options_table[] =
+ {
+ /* -O1 optimizations. */
+ { OPT_LEVELS_1_PLUS, OPT_fdefer_pop, NULL, 1 },
+#ifdef DELAY_SLOTS
+ { OPT_LEVELS_1_PLUS, OPT_fdelayed_branch, NULL, 1 },
+#endif
+ { OPT_LEVELS_1_PLUS, OPT_fguess_branch_probability, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fcprop_registers, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fforward_propagate, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fif_conversion, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fif_conversion2, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fipa_pure_const, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fipa_reference, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fipa_profile, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fmerge_constants, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fsplit_wide_types, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_ccp, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_bit_ccp, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_dce, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_dominator_opts, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_dse, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_ter, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_sra, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_copyrename, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_fre, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_copy_prop, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_sink, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_ch, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_fcombine_stack_adjustments, NULL, 1 },
+
+ /* -O2 optimizations. */
+ { OPT_LEVELS_2_PLUS, OPT_finline_small_functions, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_findirect_inlining, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fpartial_inlining, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fthread_jumps, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fcrossjumping, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_foptimize_sibling_calls, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fcse_follow_jumps, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fgcse, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fexpensive_optimizations, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_frerun_cse_after_loop, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fcaller_saves, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fpeephole2, NULL, 1 },
+#ifdef INSN_SCHEDULING
+ /* Only run the pre-regalloc scheduling pass if optimizing for speed. */
+ { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_fschedule_insns, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fschedule_insns2, NULL, 1 },
+#endif
+ { OPT_LEVELS_2_PLUS, OPT_fregmove, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_freorder_blocks, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_ftree_builtin_call_dce, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fipa_cp, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fipa_sra, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_falign_loops, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_falign_jumps, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_falign_labels, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_falign_functions, NULL, 1 },
+
+ /* -O3 optimizations. */
+ { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_fpredictive_commoning, NULL, 1 },
+ /* Inlining of functions reducing size is a good idea with -Os
+ regardless of them being declared inline. */
+ { OPT_LEVELS_3_PLUS_AND_SIZE, OPT_finline_functions, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_funswitch_loops, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_fgcse_after_reload, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_ftree_vectorize, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_fipa_cp_clone, NULL, 1 },
+
+ /* -Ofast adds optimizations to -O3. */
+ { OPT_LEVELS_FAST, OPT_ffast_math, NULL, 1 },
+
+ { OPT_LEVELS_NONE, 0, NULL, 0 }
+ };
+
+/* Default the options in OPTS and OPTS_SET based on the optimization
+ settings in DECODED_OPTIONS and DECODED_OPTIONS_COUNT. */
+static void
+default_options_optimization (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ struct cl_decoded_option *decoded_options,
+ unsigned int decoded_options_count,
+ location_t loc,
+ unsigned int lang_mask,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
+{
+ unsigned int i;
+ int opt2;
+ int ofast = 0;
/* Scan to see what optimization level has been specified. That will
determine the default value of many flags. */
- for (i = 1; i < *decoded_options_count; i++)
+ for (i = 1; i < decoded_options_count; i++)
{
- struct cl_decoded_option *opt = &(*decoded_options)[i];
+ struct cl_decoded_option *opt = &decoded_options[i];
switch (opt->opt_index)
{
case OPT_O:
if (*opt->arg == '\0')
{
- optimize = 1;
- optimize_size = 0;
+ opts->x_optimize = 1;
+ opts->x_optimize_size = 0;
ofast = 0;
}
else
"-O");
else
{
- optimize = optimize_val;
- if ((unsigned int) optimize > 255)
- optimize = 255;
- optimize_size = 0;
+ opts->x_optimize = optimize_val;
+ if ((unsigned int) opts->x_optimize > 255)
+ opts->x_optimize = 255;
+ opts->x_optimize_size = 0;
ofast = 0;
}
}
break;
case OPT_Os:
- optimize_size = 1;
+ opts->x_optimize_size = 1;
/* Optimizing for size forces optimize to be 2. */
- optimize = 2;
+ opts->x_optimize = 2;
ofast = 0;
break;
case OPT_Ofast:
/* -Ofast only adds flags to -O3. */
- optimize_size = 0;
- optimize = 3;
+ opts->x_optimize_size = 0;
+ opts->x_optimize = 3;
ofast = 1;
break;
}
}
- /* Use priority coloring if cover classes is not defined for the
- target. */
- if (targetm.ira_cover_classes == NULL)
- flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
+ maybe_default_options (opts, opts_set, default_options_table,
+ opts->x_optimize, opts->x_optimize_size,
+ ofast, lang_mask, handlers, loc, dc);
- /* -O1 optimizations. */
- opt1 = (optimize >= 1);
- flag_defer_pop = opt1;
-#ifdef DELAY_SLOTS
- flag_delayed_branch = opt1;
-#endif
-#ifdef CAN_DEBUG_WITHOUT_FP
- flag_omit_frame_pointer = opt1;
-#endif
- flag_guess_branch_prob = opt1;
- flag_cprop_registers = opt1;
- flag_forward_propagate = opt1;
- flag_if_conversion = opt1;
- flag_if_conversion2 = opt1;
- flag_ipa_pure_const = opt1;
- flag_ipa_reference = opt1;
- flag_ipa_profile = opt1;
- flag_merge_constants = opt1;
- flag_split_wide_types = opt1;
- flag_tree_ccp = opt1;
- flag_tree_bit_ccp = opt1;
- flag_tree_dce = opt1;
- flag_tree_dom = opt1;
- flag_tree_dse = opt1;
- flag_tree_ter = opt1;
- flag_tree_sra = opt1;
- flag_tree_copyrename = opt1;
- flag_tree_fre = opt1;
- flag_tree_copy_prop = opt1;
- flag_tree_sink = opt1;
- flag_tree_ch = opt1;
-
- /* -O2 optimizations. */
- opt2 = (optimize >= 2);
- flag_inline_small_functions = opt2;
- flag_indirect_inlining = opt2;
- flag_partial_inlining = opt2;
- flag_thread_jumps = opt2;
- flag_crossjumping = opt2;
- flag_optimize_sibling_calls = opt2;
- flag_cse_follow_jumps = opt2;
- flag_gcse = opt2;
- flag_expensive_optimizations = opt2;
- flag_rerun_cse_after_loop = opt2;
- flag_caller_saves = opt2;
- flag_peephole2 = opt2;
-#ifdef INSN_SCHEDULING
- /* Only run the pre-regalloc scheduling pass if optimizing for speed. */
- flag_schedule_insns = opt2 && ! optimize_size;
- flag_schedule_insns_after_reload = opt2;
-#endif
- flag_regmove = opt2;
- flag_strict_aliasing = opt2;
- flag_strict_overflow = opt2;
- flag_reorder_blocks = opt2;
- flag_reorder_functions = opt2;
- flag_tree_vrp = opt2;
- flag_tree_builtin_call_dce = opt2;
- flag_tree_pre = opt2;
- flag_tree_switch_conversion = opt2;
- flag_ipa_cp = opt2;
- flag_ipa_sra = opt2;
+ /* -O2 param settings. */
+ opt2 = (opts->x_optimize >= 2);
/* Track fields in field-sensitive alias analysis. */
- set_param_value ("max-fields-for-field-sensitive",
- (opt2) ? 100 : initial_max_fields_for_field_sensitive);
+ maybe_set_param_value
+ (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE,
+ opt2 ? 100 : default_param_value (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE),
+ opts->x_param_values, opts_set->x_param_values);
/* For -O1 only do loop invariant motion for very small loops. */
- set_param_value ("loop-invariant-max-bbs-in-loop",
- (opt2) ? initial_loop_invariant_max_bbs_in_loop : 1000);
-
- /* -O3 optimizations. */
- opt3 = (optimize >= 3);
- flag_tree_loop_distribute_patterns = opt3;
- flag_predictive_commoning = opt3;
- flag_inline_functions = opt3;
- flag_unswitch_loops = opt3;
- flag_gcse_after_reload = opt3;
- flag_tree_vectorize = opt3;
- flag_ipa_cp_clone = opt3;
- if (flag_ipa_cp_clone)
- flag_ipa_cp = 1;
-
- /* Just -O1/-O0 optimizations. */
- opt1_max = (optimize <= 1);
- align_loops = opt1_max;
- align_jumps = opt1_max;
- align_labels = opt1_max;
- align_functions = opt1_max;
-
- if (optimize_size)
- {
- /* Inlining of functions reducing size is a good idea regardless of them
- being declared inline. */
- flag_inline_functions = 1;
+ maybe_set_param_value
+ (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP,
+ opt2 ? default_param_value (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) : 1000,
+ opts->x_param_values, opts_set->x_param_values);
+
+ if (opts->x_optimize_size)
+ /* We want to crossjump as much as possible. */
+ maybe_set_param_value (PARAM_MIN_CROSSJUMP_INSNS, 1,
+ opts->x_param_values, opts_set->x_param_values);
+ else
+ maybe_set_param_value (PARAM_MIN_CROSSJUMP_INSNS,
+ default_param_value (PARAM_MIN_CROSSJUMP_INSNS),
+ opts->x_param_values, opts_set->x_param_values);
- /* Basic optimization options. */
- optimize_size = 1;
- if (optimize > 2)
- optimize = 2;
+ /* Allow default optimizations to be specified on a per-machine basis. */
+ maybe_default_options (opts, opts_set,
+ targetm.target_option.optimization_table,
+ opts->x_optimize, opts->x_optimize_size,
+ ofast, lang_mask, handlers, loc, dc);
+}
- /* We want to crossjump as much as possible. */
- set_param_value ("min-crossjump-insns", 1);
- }
- else
- set_param_value ("min-crossjump-insns", initial_min_crossjump_insns);
+static void finish_options (struct gcc_options *, struct gcc_options *);
- /* -Ofast adds optimizations to -O3. */
- if (ofast)
- {
- /* Which is -ffast-math for now. */
- set_fast_math_flags (1);
- /* Allow targets to enable extra options with -Ofast
- before general options processing so disabling them
- again afterwards works. */
- targetm.handle_ofast ();
- }
+/* Set *HANDLERS to the default set of option handlers for use in the
+ compilers proper (not the driver). */
+void
+set_default_handlers (struct cl_option_handlers *handlers)
+{
+ handlers->unknown_option_callback = unknown_option_callback;
+ handlers->wrong_lang_callback = complain_wrong_lang;
+ handlers->post_handling_callback = post_handling_callback;
+ handlers->num_handlers = 3;
+ handlers->handlers[0].handler = lang_handle_option;
+ handlers->handlers[0].mask = initial_lang_mask;
+ handlers->handlers[1].handler = common_handle_option;
+ handlers->handlers[1].mask = CL_COMMON;
+ handlers->handlers[2].handler = target_handle_option;
+ handlers->handlers[2].mask = CL_TARGET;
+}
- /* Enable -Werror=coverage-mismatch by default */
- enable_warning_as_error ("coverage-mismatch", 1, lang_mask, &handlers);
+/* Parse command line options and set default flag values. Do minimal
+ options processing. The decoded options are in *DECODED_OPTIONS
+ and *DECODED_OPTIONS_COUNT; settings go in OPTS, OPTS_SET and DC;
+ the options are located at LOC. */
+void
+decode_options (struct gcc_options *opts, struct gcc_options *opts_set,
+ struct cl_decoded_option *decoded_options,
+ unsigned int decoded_options_count,
+ location_t loc, diagnostic_context *dc)
+{
+ struct cl_option_handlers handlers;
- if (first_time_p)
- {
- /* Initialize whether `char' is signed. */
- flag_signed_char = DEFAULT_SIGNED_CHAR;
- /* Set this to a special "uninitialized" value. The actual default is
- set after target options have been processed. */
- flag_short_enums = 2;
-
- /* Initialize target_flags before
- targetm.target_option.optimization so the latter can modify
- it. */
- target_flags = targetm.default_target_flags;
-
- /* Some targets have ABI-specified unwind tables. */
- flag_unwind_tables = targetm.unwind_tables_default;
- }
+ unsigned int lang_mask;
+
+ lang_mask = initial_lang_mask;
+
+ set_default_handlers (&handlers);
+
+ /* Enable -Werror=coverage-mismatch by default. */
+ control_warning_option (OPT_Wcoverage_mismatch, (int) DK_ERROR, true,
+ loc, lang_mask,
+ &handlers, opts, opts_set, dc);
+
+ default_options_optimization (opts, opts_set,
+ decoded_options, decoded_options_count,
+ loc, lang_mask, &handlers, dc);
#ifdef ENABLE_LTO
/* Clear any options currently held for LTO. */
lto_clear_user_options ();
#endif
- /* Allow default optimizations to be specified on a per-machine basis. */
- targetm.target_option.optimization (optimize, optimize_size);
+ read_cmdline_options (opts, opts_set,
+ decoded_options, decoded_options_count,
+ loc, lang_mask,
+ &handlers, dc);
- read_cmdline_options (*decoded_options, *decoded_options_count, lang_mask,
- &handlers);
+ finish_options (opts, opts_set);
+}
- if (dump_base_name && ! IS_ABSOLUTE_PATH (dump_base_name))
+/* After all options have been read into OPTS and OPTS_SET, finalize
+ settings of those options and diagnose incompatible
+ combinations. */
+static void
+finish_options (struct gcc_options *opts, struct gcc_options *opts_set)
+{
+ static bool first_time_p = true;
+ enum unwind_info_type ui_except;
+
+ gcc_assert (opts == &global_options);
+ gcc_assert (opts_set = &global_options_set);
+
+ if (opts->x_dump_base_name && ! IS_ABSOLUTE_PATH (opts->x_dump_base_name))
{
- /* First try to make DUMP_BASE_NAME relative to the DUMP_DIR_NAME
- directory. Then try to make DUMP_BASE_NAME relative to the
- AUX_BASE_NAME directory, typically the directory to contain
- the object file. */
- if (dump_dir_name)
- dump_base_name = concat (dump_dir_name, dump_base_name, NULL);
- else if (aux_base_name)
+ /* First try to make OPTS->X_DUMP_BASE_NAME relative to the
+ OPTS->X_DUMP_DIR_NAME directory. Then try to make
+ OPTS->X_DUMP_BASE_NAME relative to the OPTS->X_AUX_BASE_NAME
+ directory, typically the directory to contain the object
+ file. */
+ if (opts->x_dump_dir_name)
+ opts->x_dump_base_name = concat (opts->x_dump_dir_name,
+ opts->x_dump_base_name, NULL);
+ else if (opts->x_aux_base_name)
{
const char *aux_base;
- base_of_path (aux_base_name, &aux_base);
- if (aux_base_name != aux_base)
+ base_of_path (opts->x_aux_base_name, &aux_base);
+ if (opts->x_aux_base_name != aux_base)
{
- int dir_len = aux_base - aux_base_name;
+ int dir_len = aux_base - opts->x_aux_base_name;
char *new_dump_base_name =
- XNEWVEC (char, strlen(dump_base_name) + dir_len + 1);
+ XNEWVEC (char, strlen (opts->x_dump_base_name) + dir_len + 1);
- /* Copy directory component from AUX_BASE_NAME. */
- memcpy (new_dump_base_name, aux_base_name, dir_len);
- /* Append existing DUMP_BASE_NAME. */
- strcpy (new_dump_base_name + dir_len, dump_base_name);
- dump_base_name = new_dump_base_name;
+ /* Copy directory component from OPTS->X_AUX_BASE_NAME. */
+ memcpy (new_dump_base_name, opts->x_aux_base_name, dir_len);
+ /* Append existing OPTS->X_DUMP_BASE_NAME. */
+ strcpy (new_dump_base_name + dir_len, opts->x_dump_base_name);
+ opts->x_dump_base_name = new_dump_base_name;
}
}
}
/* Handle related options for unit-at-a-time, toplevel-reorder, and
section-anchors. */
- if (!flag_unit_at_a_time)
+ if (!opts->x_flag_unit_at_a_time)
{
- if (flag_section_anchors == 1)
- error ("Section anchors must be disabled when unit-at-a-time "
- "is disabled.");
- flag_section_anchors = 0;
- if (flag_toplevel_reorder == 1)
- error ("Toplevel reorder must be disabled when unit-at-a-time "
- "is disabled.");
- flag_toplevel_reorder = 0;
+ if (opts->x_flag_section_anchors && opts_set->x_flag_section_anchors)
+ error ("section anchors must be disabled when unit-at-a-time "
+ "is disabled");
+ opts->x_flag_section_anchors = 0;
+ if (opts->x_flag_toplevel_reorder == 1)
+ error ("toplevel reorder must be disabled when unit-at-a-time "
+ "is disabled");
+ opts->x_flag_toplevel_reorder = 0;
}
/* -Wmissing-noreturn is alias for -Wsuggest-attribute=noreturn. */
- if (warn_missing_noreturn)
- warn_suggest_attribute_noreturn = true;
+ if (opts->x_warn_missing_noreturn)
+ opts->x_warn_suggest_attribute_noreturn = true;
/* Unless the user has asked for section anchors, we disable toplevel
reordering at -O0 to disable transformations that might be surprising
to end users and to get -fno-toplevel-reorder tested. */
- if (!optimize && flag_toplevel_reorder == 2 && flag_section_anchors != 1)
+ if (!optimize
+ && opts->x_flag_toplevel_reorder == 2
+ && !(opts->x_flag_section_anchors && opts_set->x_flag_section_anchors))
{
- flag_toplevel_reorder = 0;
- flag_section_anchors = 0;
+ opts->x_flag_toplevel_reorder = 0;
+ opts->x_flag_section_anchors = 0;
}
- if (!flag_toplevel_reorder)
+ if (!opts->x_flag_toplevel_reorder)
{
- if (flag_section_anchors == 1)
+ if (opts->x_flag_section_anchors && opts_set->x_flag_section_anchors)
error ("section anchors must be disabled when toplevel reorder"
" is disabled");
- flag_section_anchors = 0;
+ opts->x_flag_section_anchors = 0;
}
if (first_time_p)
{
- if (flag_pie)
- flag_pic = flag_pie;
- if (flag_pic && !flag_pie)
- flag_shlib = 1;
+ if (opts->x_flag_pie)
+ opts->x_flag_pic = opts->x_flag_pie;
+ if (opts->x_flag_pic && !opts->x_flag_pie)
+ opts->x_flag_shlib = 1;
first_time_p = false;
}
{
/* Inlining does not work if not optimizing,
so force it not to be done. */
- warn_inline = 0;
- flag_no_inline = 1;
+ opts->x_warn_inline = 0;
+ opts->x_flag_no_inline = 1;
}
/* The optimization to partition hot and cold basic blocks into separate
sections of the .o and executable files does not work (currently)
with exception handling. This is because there is no support for
- generating unwind info. If flag_exceptions is turned on we need to
- turn off the partitioning optimization. */
+ generating unwind info. If opts->x_flag_exceptions is turned on
+ we need to turn off the partitioning optimization. */
- if (flag_exceptions && flag_reorder_blocks_and_partition
- && (USING_SJLJ_EXCEPTIONS
-#ifdef TARGET_UNWIND_INFO
- || 1
-#endif
- ))
+ ui_except = targetm.except_unwind_info ();
+
+ if (opts->x_flag_exceptions
+ && opts->x_flag_reorder_blocks_and_partition
+ && (ui_except == UI_SJLJ || ui_except == UI_TARGET))
{
inform (input_location,
- "-freorder-blocks-and-partition does not work with exceptions on this architecture");
- flag_reorder_blocks_and_partition = 0;
- flag_reorder_blocks = 1;
+ "-freorder-blocks-and-partition does not work "
+ "with exceptions on this architecture");
+ opts->x_flag_reorder_blocks_and_partition = 0;
+ opts->x_flag_reorder_blocks = 1;
}
/* If user requested unwind info, then turn off the partitioning
optimization. */
- if (flag_unwind_tables && ! targetm.unwind_tables_default
- && flag_reorder_blocks_and_partition
- && (USING_SJLJ_EXCEPTIONS
-#ifdef TARGET_UNWIND_INFO
- || 1
-#endif
- ))
+ if (opts->x_flag_unwind_tables
+ && !targetm.unwind_tables_default
+ && opts->x_flag_reorder_blocks_and_partition
+ && (ui_except == UI_SJLJ || ui_except == UI_TARGET))
{
inform (input_location,
- "-freorder-blocks-and-partition does not support unwind info on this architecture");
- flag_reorder_blocks_and_partition = 0;
- flag_reorder_blocks = 1;
+ "-freorder-blocks-and-partition does not support "
+ "unwind info on this architecture");
+ opts->x_flag_reorder_blocks_and_partition = 0;
+ opts->x_flag_reorder_blocks = 1;
}
/* If the target requested unwind info, then turn off the partitioning
optimization with a different message. Likewise, if the target does not
support named sections. */
- if (flag_reorder_blocks_and_partition
+ if (opts->x_flag_reorder_blocks_and_partition
&& (!targetm.have_named_sections
- || (flag_unwind_tables && targetm.unwind_tables_default
- && (USING_SJLJ_EXCEPTIONS
-#ifdef TARGET_UNWIND_INFO
- || 1
-#endif
- ))))
+ || (opts->x_flag_unwind_tables
+ && targetm.unwind_tables_default
+ && (ui_except == UI_SJLJ || ui_except == UI_TARGET))))
{
inform (input_location,
- "-freorder-blocks-and-partition does not work on this architecture");
- flag_reorder_blocks_and_partition = 0;
- flag_reorder_blocks = 1;
+ "-freorder-blocks-and-partition does not work "
+ "on this architecture");
+ opts->x_flag_reorder_blocks_and_partition = 0;
+ opts->x_flag_reorder_blocks = 1;
}
/* Pipelining of outer loops is only possible when general pipelining
capabilities are requested. */
- if (!flag_sel_sched_pipelining)
- flag_sel_sched_pipelining_outer_loops = 0;
+ if (!opts->x_flag_sel_sched_pipelining)
+ opts->x_flag_sel_sched_pipelining_outer_loops = 0;
if (!targetm.ira_cover_classes
- && flag_ira_algorithm == IRA_ALGORITHM_CB)
+ && opts->x_flag_ira_algorithm == IRA_ALGORITHM_CB)
{
inform (input_location,
"-fira-algorithm=CB does not work on this architecture");
- flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
+ opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
}
- if (flag_conserve_stack)
+ if (opts->x_flag_conserve_stack)
{
- if (!PARAM_SET_P (PARAM_LARGE_STACK_FRAME))
- PARAM_VALUE (PARAM_LARGE_STACK_FRAME) = 100;
- if (!PARAM_SET_P (PARAM_STACK_FRAME_GROWTH))
- PARAM_VALUE (PARAM_STACK_FRAME_GROWTH) = 40;
+ maybe_set_param_value (PARAM_LARGE_STACK_FRAME, 100,
+ opts->x_param_values, opts_set->x_param_values);
+ maybe_set_param_value (PARAM_STACK_FRAME_GROWTH, 40,
+ opts->x_param_values, opts_set->x_param_values);
}
- if (flag_wpa || flag_ltrans)
+ if (opts->x_flag_wpa || opts->x_flag_ltrans)
{
/* These passes are not WHOPR compatible yet. */
- flag_ipa_pta = 0;
- flag_ipa_struct_reorg = 0;
+ opts->x_flag_ipa_pta = 0;
+ opts->x_flag_ipa_struct_reorg = 0;
}
- if (flag_lto || flag_whopr)
+ if (opts->x_flag_lto)
{
#ifdef ENABLE_LTO
- flag_generate_lto = 1;
+ opts->x_flag_generate_lto = 1;
/* When generating IL, do not operate in whole-program mode.
Otherwise, symbols will be privatized too early, causing link
errors later. */
- flag_whole_program = 0;
+ opts->x_flag_whole_program = 0;
#else
error ("LTO support has not been enabled in this configuration");
#endif
}
+ if ((opts->x_flag_lto_partition_balanced != 0) + (opts->x_flag_lto_partition_1to1 != 0)
+ + (opts->x_flag_lto_partition_none != 0) >= 1)
+ {
+ if ((opts->x_flag_lto_partition_balanced != 0)
+ + (opts->x_flag_lto_partition_1to1 != 0)
+ + (opts->x_flag_lto_partition_none != 0) > 1)
+ error ("only one -flto-partition value can be specified");
+ }
- /* Reconcile -flto and -fwhopr. Set additional flags as appropriate and
- check option consistency. */
- if (flag_lto && flag_whopr)
- error ("-flto and -fwhopr are mutually exclusive");
+ /* We initialize opts->x_flag_split_stack to -1 so that targets can set a
+ default value if they choose based on other options. */
+ if (opts->x_flag_split_stack == -1)
+ opts->x_flag_split_stack = 0;
+ else if (opts->x_flag_split_stack)
+ {
+ if (!targetm.supports_split_stack (true))
+ {
+ error ("%<-fsplit-stack%> is not supported by "
+ "this compiler configuration");
+ opts->x_flag_split_stack = 0;
+ }
+ }
}
#define LEFT_COLUMN 27
with an option to be an indication of its current setting. */
if (!quiet_flag)
{
+ void *flag_var = option_flag_var (i, &global_options);
+
if (len < (LEFT_COLUMN + 2))
strcpy (new_help, "\t\t");
else
strcpy (new_help, "\t");
- if (option->flag_var != NULL)
+ if (flag_var != NULL)
{
if (option->flags & CL_JOINED)
{
if (option->var_type == CLVC_STRING)
{
- if (* (const char **) option->flag_var != NULL)
+ if (* (const char **) flag_var != NULL)
snprintf (new_help + strlen (new_help),
sizeof (new_help) - strlen (new_help),
- * (const char **) option->flag_var);
+ * (const char **) flag_var);
}
else
sprintf (new_help + strlen (new_help),
- "%#x", * (int *) option->flag_var);
+ "%#x", * (int *) flag_var);
}
else
- strcat (new_help, option_enabled (i)
+ strcat (new_help, option_enabled (i, &global_options)
? _("[enabled]") : _("[disabled]"));
}
DECODED->value assigned to a variable, it happens automatically. */
static bool
-common_handle_option (const struct cl_decoded_option *decoded,
+common_handle_option (struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ const struct cl_decoded_option *decoded,
unsigned int lang_mask, int kind ATTRIBUTE_UNUSED,
- const struct cl_option_handlers *handlers)
+ location_t loc,
+ const struct cl_option_handlers *handlers,
+ diagnostic_context *dc)
{
size_t scode = decoded->opt_index;
const char *arg = decoded->arg;
int value = decoded->value;
- static bool verbose = false;
enum opt_code code = (enum opt_code) scode;
+ gcc_assert (opts == &global_options);
+ gcc_assert (opts_set == &global_options_set);
+ gcc_assert (dc == global_dc);
gcc_assert (decoded->canonical_option_num_elements <= 2);
switch (code)
{
case OPT__param:
- handle_param (arg);
+ handle_param (opts, opts_set, arg);
break;
- case OPT_v:
- verbose = true;
- break;
-
- case OPT_fhelp:
case OPT__help:
{
unsigned int all_langs_mask = (1U << cl_lang_count) - 1;
unsigned int undoc_mask;
unsigned int i;
- undoc_mask = (verbose | extra_warnings) ? 0 : CL_UNDOCUMENTED;
+ undoc_mask = ((opts->x_verbose_flag | opts->x_extra_warnings)
+ ? 0
+ : CL_UNDOCUMENTED);
/* First display any single language specific options. */
for (i = 0; i < cl_lang_count; i++)
print_specific_help
break;
}
- case OPT_ftarget_help:
case OPT__target_help:
print_specific_help (CL_TARGET, CL_UNDOCUMENTED, 0);
exit_after_options = true;
targetm.help ();
break;
- case OPT_fhelp_:
case OPT__help_:
{
const char * a = arg;
break;
}
- case OPT_fversion:
case OPT__version:
exit_after_options = true;
break;
break;
case OPT_Werror_:
- enable_warning_as_error (arg, value, lang_mask, handlers);
+ enable_warning_as_error (arg, value, lang_mask, handlers,
+ opts, opts_set, loc, dc);
break;
case OPT_Wlarger_than_:
- larger_than_size = value;
- warn_larger_than = value != -1;
+ opts->x_larger_than_size = value;
+ opts->x_warn_larger_than = value != -1;
break;
case OPT_Wfatal_errors:
- global_dc->fatal_errors = value;
+ dc->fatal_errors = value;
break;
case OPT_Wframe_larger_than_:
- frame_larger_than_size = value;
- warn_frame_larger_than = value != -1;
+ opts->x_frame_larger_than_size = value;
+ opts->x_warn_frame_larger_than = value != -1;
break;
case OPT_Wstrict_aliasing:
- set_Wstrict_aliasing (value);
- break;
-
- case OPT_Wstrict_aliasing_:
- warn_strict_aliasing = value;
+ set_Wstrict_aliasing (opts, value);
break;
case OPT_Wstrict_overflow:
- warn_strict_overflow = (value
- ? (int) WARN_STRICT_OVERFLOW_CONDITIONAL
- : 0);
- break;
-
- case OPT_Wstrict_overflow_:
- warn_strict_overflow = value;
+ opts->x_warn_strict_overflow = (value
+ ? (int) WARN_STRICT_OVERFLOW_CONDITIONAL
+ : 0);
break;
case OPT_Wsystem_headers:
- global_dc->warn_system_headers = value;
- break;
-
- case OPT_Wunused:
- warn_unused = value;
+ dc->dc_warn_system_headers = value;
break;
case OPT_aux_info:
- aux_info_file_name = arg;
- flag_gen_aux_info = 1;
- break;
-
- case OPT_auxbase:
- aux_base_name = arg;
+ opts->x_flag_gen_aux_info = 1;
break;
case OPT_auxbase_strip:
char *tmp = xstrdup (arg);
strip_off_ending (tmp, strlen (tmp));
if (tmp[0])
- aux_base_name = tmp;
+ opts->x_aux_base_name = tmp;
}
break;
decode_d_option (arg);
break;
- case OPT_dumpbase:
- dump_base_name = arg;
- break;
-
- case OPT_dumpdir:
- dump_dir_name = arg;
- break;
-
- case OPT_falign_functions_:
- align_functions = value;
- break;
-
- case OPT_falign_jumps_:
- align_jumps = value;
- break;
-
- case OPT_falign_labels_:
- align_labels = value;
- break;
-
- case OPT_falign_loops_:
- align_loops = value;
- break;
-
- case OPT_fbranch_probabilities:
- flag_branch_probabilities_set = true;
- break;
-
case OPT_fcall_used_:
fix_register (arg, 0, 1);
break;
fix_register (arg, 0, 0);
break;
+ case OPT_fcompare_debug_second:
+ flag_compare_debug = value;
+ break;
+
case OPT_fdbg_cnt_:
dbg_cnt_process_opt (arg);
break;
case OPT_fdiagnostics_show_location_:
if (!strcmp (arg, "once"))
- diagnostic_prefixing_rule (global_dc) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
+ diagnostic_prefixing_rule (dc) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
else if (!strcmp (arg, "every-line"))
- diagnostic_prefixing_rule (global_dc)
+ diagnostic_prefixing_rule (dc)
= DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE;
else
return false;
break;
case OPT_fdiagnostics_show_option:
- global_dc->show_option_requested = value;
+ dc->show_option_requested = value;
break;
case OPT_fdump_:
return false;
break;
+ case OPT_ffp_contract_:
+ if (!strcmp (arg, "on"))
+ /* Not implemented, fall back to conservative FP_CONTRACT_OFF. */
+ opts->x_flag_fp_contract_mode = FP_CONTRACT_OFF;
+ else if (!strcmp (arg, "off"))
+ opts->x_flag_fp_contract_mode = FP_CONTRACT_OFF;
+ else if (!strcmp (arg, "fast"))
+ opts->x_flag_fp_contract_mode = FP_CONTRACT_FAST;
+ else
+ error ("unknown floating point contraction style \"%s\"", arg);
+ break;
+
case OPT_fexcess_precision_:
if (!strcmp (arg, "fast"))
- flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
+ opts->x_flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
else if (!strcmp (arg, "standard"))
- flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;
+ opts->x_flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;
else
error ("unknown excess precision style \"%s\"", arg);
break;
case OPT_ffast_math:
- set_fast_math_flags (value);
+ set_fast_math_flags (opts, value);
break;
case OPT_funsafe_math_optimizations:
- set_unsafe_math_optimizations_flags (value);
+ set_unsafe_math_optimizations_flags (opts, value);
break;
case OPT_ffixed_:
break;
case OPT_finline_limit_:
- set_param_value ("max-inline-insns-single", value / 2);
- set_param_value ("max-inline-insns-auto", value / 2);
+ set_param_value ("max-inline-insns-single", value / 2,
+ opts->x_param_values, opts_set->x_param_values);
+ set_param_value ("max-inline-insns-auto", value / 2,
+ opts->x_param_values, opts_set->x_param_values);
break;
case OPT_finstrument_functions_exclude_function_list_:
break;
case OPT_fmessage_length_:
- pp_set_line_maximum_length (global_dc->printer, value);
+ pp_set_line_maximum_length (dc->printer, value);
break;
case OPT_fpack_struct_:
}
break;
- case OPT_fpeel_loops:
- flag_peel_loops_set = true;
- break;
-
case OPT_fplugin_:
#ifdef ENABLE_PLUGIN
add_new_plugin (arg);
#else
- error ("Plugin support is disabled. Configure with --enable-plugin.");
+ error ("plugin support is disabled; configure with --enable-plugin");
#endif
break;
#ifdef ENABLE_PLUGIN
parse_plugin_arg_opt (arg);
#else
- error ("Plugin support is disabled. Configure with --enable-plugin.");
+ error ("plugin support is disabled; configure with --enable-plugin");
#endif
break;
- case OPT_fprofile_arcs:
- profile_arc_flag_set = true;
- break;
-
- case OPT_finline_functions:
- flag_inline_functions_set = true;
- break;
-
case OPT_fprofile_dir_:
profile_data_prefix = xstrdup (arg);
break;
case OPT_fprofile_use_:
profile_data_prefix = xstrdup (arg);
- flag_profile_use = true;
+ opts->x_flag_profile_use = true;
value = true;
/* No break here - do -fprofile-use processing. */
case OPT_fprofile_use:
- if (!flag_branch_probabilities_set)
- flag_branch_probabilities = value;
- if (!flag_profile_values_set)
- flag_profile_values = value;
- if (!flag_unroll_loops_set)
- flag_unroll_loops = value;
- if (!flag_peel_loops_set)
- flag_peel_loops = value;
- if (!flag_tracer_set)
- flag_tracer = value;
- if (!flag_value_profile_transformations_set)
- flag_value_profile_transformations = value;
- if (!flag_inline_functions_set)
- flag_inline_functions = value;
- if (!flag_ipa_cp_set)
- flag_ipa_cp = value;
- if (!flag_ipa_cp_clone_set
- && value && flag_ipa_cp)
- flag_ipa_cp_clone = value;
- if (!flag_predictive_commoning_set)
- flag_predictive_commoning = value;
- if (!flag_unswitch_loops_set)
- flag_unswitch_loops = value;
- if (!flag_gcse_after_reload_set)
- flag_gcse_after_reload = value;
+ if (!opts_set->x_flag_branch_probabilities)
+ opts->x_flag_branch_probabilities = value;
+ if (!opts_set->x_flag_profile_values)
+ opts->x_flag_profile_values = value;
+ if (!opts_set->x_flag_unroll_loops)
+ opts->x_flag_unroll_loops = value;
+ if (!opts_set->x_flag_peel_loops)
+ opts->x_flag_peel_loops = value;
+ if (!opts_set->x_flag_tracer)
+ opts->x_flag_tracer = value;
+ if (!opts_set->x_flag_value_profile_transformations)
+ opts->x_flag_value_profile_transformations = value;
+ if (!opts_set->x_flag_inline_functions)
+ opts->x_flag_inline_functions = value;
+ if (!opts_set->x_flag_ipa_cp)
+ opts->x_flag_ipa_cp = value;
+ if (!opts_set->x_flag_ipa_cp_clone
+ && value && opts->x_flag_ipa_cp)
+ opts->x_flag_ipa_cp_clone = value;
+ if (!opts_set->x_flag_predictive_commoning)
+ opts->x_flag_predictive_commoning = value;
+ if (!opts_set->x_flag_unswitch_loops)
+ opts->x_flag_unswitch_loops = value;
+ if (!opts_set->x_flag_gcse_after_reload)
+ opts->x_flag_gcse_after_reload = value;
break;
case OPT_fprofile_generate_:
value = true;
/* No break here - do -fprofile-generate processing. */
case OPT_fprofile_generate:
- if (!profile_arc_flag_set)
- profile_arc_flag = value;
- if (!flag_profile_values_set)
- flag_profile_values = value;
- if (!flag_value_profile_transformations_set)
- flag_value_profile_transformations = value;
- if (!flag_inline_functions_set)
- flag_inline_functions = value;
- break;
-
- case OPT_fprofile_values:
- flag_profile_values_set = true;
+ if (!opts_set->x_profile_arc_flag)
+ opts->x_profile_arc_flag = value;
+ if (!opts_set->x_flag_profile_values)
+ opts->x_flag_profile_values = value;
+ if (!opts_set->x_flag_value_profile_transformations)
+ opts->x_flag_value_profile_transformations = value;
+ if (!opts_set->x_flag_inline_functions)
+ opts->x_flag_inline_functions = value;
break;
case OPT_fshow_column:
- global_dc->show_column = value;
+ dc->show_column = value;
break;
case OPT_fvisibility_:
{
if (!strcmp(arg, "default"))
- default_visibility = VISIBILITY_DEFAULT;
+ opts->x_default_visibility = VISIBILITY_DEFAULT;
else if (!strcmp(arg, "internal"))
- default_visibility = VISIBILITY_INTERNAL;
+ opts->x_default_visibility = VISIBILITY_INTERNAL;
else if (!strcmp(arg, "hidden"))
- default_visibility = VISIBILITY_HIDDEN;
+ opts->x_default_visibility = VISIBILITY_HIDDEN;
else if (!strcmp(arg, "protected"))
- default_visibility = VISIBILITY_PROTECTED;
+ opts->x_default_visibility = VISIBILITY_PROTECTED;
else
error ("unrecognized visibility value \"%s\"", arg);
}
break;
- case OPT_fvpt:
- flag_value_profile_transformations_set = true;
- break;
-
case OPT_frandom_seed:
/* The real switch is -fno-random-seed. */
if (value)
set_random_seed (arg);
break;
- case OPT_fselective_scheduling:
- case OPT_fselective_scheduling2:
- sel_sched_switch_set = true;
- break;
-
case OPT_fsched_verbose_:
#ifdef INSN_SCHEDULING
fix_sched_param ("verbose", arg);
#endif
case OPT_fsched_stalled_insns_:
- flag_sched_stalled_insns = value;
- if (flag_sched_stalled_insns == 0)
- flag_sched_stalled_insns = -1;
+ opts->x_flag_sched_stalled_insns = value;
+ if (opts->x_flag_sched_stalled_insns == 0)
+ opts->x_flag_sched_stalled_insns = -1;
break;
case OPT_fsched_stalled_insns_dep_:
- flag_sched_stalled_insns_dep = value;
+ opts->x_flag_sched_stalled_insns_dep = value;
break;
case OPT_fstack_check_:
case OPT_ftls_model_:
if (!strcmp (arg, "global-dynamic"))
- flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
+ opts->x_flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
else if (!strcmp (arg, "local-dynamic"))
- flag_tls_default = TLS_MODEL_LOCAL_DYNAMIC;
+ opts->x_flag_tls_default = TLS_MODEL_LOCAL_DYNAMIC;
else if (!strcmp (arg, "initial-exec"))
- flag_tls_default = TLS_MODEL_INITIAL_EXEC;
+ opts->x_flag_tls_default = TLS_MODEL_INITIAL_EXEC;
else if (!strcmp (arg, "local-exec"))
- flag_tls_default = TLS_MODEL_LOCAL_EXEC;
+ opts->x_flag_tls_default = TLS_MODEL_LOCAL_EXEC;
else
warning (0, "unknown tls-model \"%s\"", arg);
break;
case OPT_fira_algorithm_:
if (!strcmp (arg, "CB"))
- flag_ira_algorithm = IRA_ALGORITHM_CB;
+ opts->x_flag_ira_algorithm = IRA_ALGORITHM_CB;
else if (!strcmp (arg, "priority"))
- flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
+ opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
else
warning (0, "unknown ira algorithm \"%s\"", arg);
break;
case OPT_fira_region_:
if (!strcmp (arg, "one"))
- flag_ira_region = IRA_REGION_ONE;
+ opts->x_flag_ira_region = IRA_REGION_ONE;
else if (!strcmp (arg, "all"))
- flag_ira_region = IRA_REGION_ALL;
+ opts->x_flag_ira_region = IRA_REGION_ALL;
else if (!strcmp (arg, "mixed"))
- flag_ira_region = IRA_REGION_MIXED;
+ opts->x_flag_ira_region = IRA_REGION_MIXED;
else
warning (0, "unknown ira region \"%s\"", arg);
break;
- case OPT_fira_verbose_:
- flag_ira_verbose = value;
- break;
-
- case OPT_ftracer:
- flag_tracer_set = true;
- break;
-
- case OPT_fipa_cp:
- flag_ipa_cp_set = true;
- break;
-
- case OPT_fipa_cp_clone:
- flag_ipa_cp_clone_set = true;
- break;
-
- case OPT_fpredictive_commoning:
- flag_predictive_commoning_set = true;
- break;
-
- case OPT_funswitch_loops:
- flag_unswitch_loops_set = true;
- break;
-
- case OPT_fgcse_after_reload:
- flag_gcse_after_reload_set = true;
- break;
-
- case OPT_funroll_loops:
- flag_unroll_loops_set = true;
- break;
-
case OPT_g:
set_debug_level (NO_DEBUG, DEFAULT_GDB_EXTENSIONS, arg);
break;
set_debug_level (XCOFF_DEBUG, code == OPT_gxcoff_, arg);
break;
- case OPT_o:
- asm_file_name = arg;
- break;
-
case OPT_pedantic_errors:
- flag_pedantic_errors = pedantic = 1;
- global_dc->pedantic_errors = 1;
+ opts->x_pedantic = 1;
+ dc->pedantic_errors = 1;
break;
- case OPT_fwhopr_:
- flag_whopr = arg;
+ case OPT_flto:
+ opts->x_flag_lto = "";
break;
- case OPT_fwhopr:
- flag_whopr = "";
+ case OPT_w:
+ dc->dc_inhibit_warnings = true;
break;
- case OPT_w:
- global_dc->inhibit_warnings = true;
+ case OPT_fmax_errors_:
+ dc->max_errors = value;
break;
case OPT_fuse_linker_plugin:
default:
/* If the flag was handled in a standard way, assume the lack of
processing here is intentional. */
- gcc_assert (cl_options[scode].flag_var);
+ gcc_assert (option_flag_var (scode, opts));
break;
}
/* Handle --param NAME=VALUE. */
static void
-handle_param (const char *carg)
+handle_param (struct gcc_options *opts, struct gcc_options *opts_set,
+ const char *carg)
{
char *equal, *arg;
int value;
else
{
*equal = '\0';
- set_param_value (arg, value);
+ set_param_value (arg, value,
+ opts->x_param_values, opts_set->x_param_values);
}
}
free (arg);
}
-/* Used to set the level of strict aliasing warnings,
+/* Used to set the level of strict aliasing warnings in OPTS,
when no level is specified (i.e., when -Wstrict-aliasing, and not
-Wstrict-aliasing=level was given).
ONOFF is assumed to take value 1 when -Wstrict-aliasing is specified,
and 0 otherwise. After calling this function, wstrict_aliasing will be
set to the default value of -Wstrict_aliasing=level, currently 3. */
void
-set_Wstrict_aliasing (int onoff)
+set_Wstrict_aliasing (struct gcc_options *opts, int onoff)
{
gcc_assert (onoff == 0 || onoff == 1);
if (onoff != 0)
- warn_strict_aliasing = 3;
+ opts->x_warn_strict_aliasing = 3;
else
- warn_strict_aliasing = 0;
+ opts->x_warn_strict_aliasing = 0;
}
/* The following routines are useful in setting all the flags that
-ffast-math and -fno-fast-math imply. */
-void
-set_fast_math_flags (int set)
+static void
+set_fast_math_flags (struct gcc_options *opts, int set)
{
- flag_unsafe_math_optimizations = set;
- set_unsafe_math_optimizations_flags (set);
- flag_finite_math_only = set;
- flag_errno_math = !set;
+ opts->x_flag_unsafe_math_optimizations = set;
+ set_unsafe_math_optimizations_flags (opts, set);
+ opts->x_flag_finite_math_only = set;
+ opts->x_flag_errno_math = !set;
if (set)
{
- flag_signaling_nans = 0;
- flag_rounding_math = 0;
- flag_cx_limited_range = 1;
+ opts->x_flag_signaling_nans = 0;
+ opts->x_flag_rounding_math = 0;
+ opts->x_flag_cx_limited_range = 1;
}
}
/* When -funsafe-math-optimizations is set the following
flags are set as well. */
-void
-set_unsafe_math_optimizations_flags (int set)
+static void
+set_unsafe_math_optimizations_flags (struct gcc_options *opts, int set)
{
- flag_trapping_math = !set;
- flag_signed_zeros = !set;
- flag_associative_math = set;
- flag_reciprocal_math = set;
+ opts->x_flag_trapping_math = !set;
+ opts->x_flag_signed_zeros = !set;
+ opts->x_flag_associative_math = set;
+ opts->x_flag_reciprocal_math = set;
}
/* Return true iff flags are set as if -ffast-math. */
bool
fast_math_flags_struct_set_p (struct cl_optimization *opt)
{
- return (!opt->flag_trapping_math
- && opt->flag_unsafe_math_optimizations
- && opt->flag_finite_math_only
- && !opt->flag_signed_zeros
- && !opt->flag_errno_math);
+ return (!opt->x_flag_trapping_math
+ && opt->x_flag_unsafe_math_optimizations
+ && opt->x_flag_finite_math_only
+ && !opt->x_flag_signed_zeros
+ && !opt->x_flag_errno_math);
}
/* Handle a debug output -g switch. EXTENDED is true or false to support
}
}
-/* Return 1 if OPTION is enabled, 0 if it is disabled, or -1 if it isn't
- a simple on-off switch. */
+/* Return 1 if option OPT_IDX is enabled in OPTS, 0 if it is disabled,
+ or -1 if it isn't a simple on-off switch. */
int
-option_enabled (int opt_idx)
+option_enabled (int opt_idx, void *opts)
{
const struct cl_option *option = &(cl_options[opt_idx]);
+ struct gcc_options *optsg = (struct gcc_options *) opts;
+ void *flag_var = option_flag_var (opt_idx, optsg);
- if (option->flag_var)
+ if (flag_var)
switch (option->var_type)
{
case CLVC_BOOLEAN:
- return *(int *) option->flag_var != 0;
+ return *(int *) flag_var != 0;
case CLVC_EQUAL:
- return *(int *) option->flag_var == option->var_value;
+ return *(int *) flag_var == option->var_value;
case CLVC_BIT_CLEAR:
- return (*(int *) option->flag_var & option->var_value) == 0;
+ return (*(int *) flag_var & option->var_value) == 0;
case CLVC_BIT_SET:
- return (*(int *) option->flag_var & option->var_value) != 0;
+ return (*(int *) flag_var & option->var_value) != 0;
case CLVC_STRING:
break;
return -1;
}
-/* Fill STATE with the current state of option OPTION. Return true if
- there is some state to store. */
+/* Fill STATE with the current state of option OPTION in OPTS. Return
+ true if there is some state to store. */
bool
-get_option_state (int option, struct cl_option_state *state)
+get_option_state (struct gcc_options *opts, int option,
+ struct cl_option_state *state)
{
- if (cl_options[option].flag_var == 0)
+ void *flag_var = option_flag_var (option, opts);
+
+ if (flag_var == 0)
return false;
switch (cl_options[option].var_type)
{
case CLVC_BOOLEAN:
case CLVC_EQUAL:
- state->data = cl_options[option].flag_var;
+ state->data = flag_var;
state->size = sizeof (int);
break;
case CLVC_BIT_CLEAR:
case CLVC_BIT_SET:
- state->ch = option_enabled (option);
+ state->ch = option_enabled (option, opts);
state->data = &state->ch;
state->size = 1;
break;
case CLVC_STRING:
- state->data = *(const char **) cl_options[option].flag_var;
+ state->data = *(const char **) flag_var;
if (state->data == 0)
state->data = "";
state->size = strlen ((const char *) state->data) + 1;
return true;
}
-/* Callback function, called when -Werror= enables a warning. */
+/* Enable (or disable if VALUE is 0) a warning option ARG (language
+ mask LANG_MASK, option handlers HANDLERS) as an error for option
+ structures OPTS and OPTS_SET, diagnostic context DC (possibly
+ NULL), location LOC. This is used by -Werror=. */
-static void (*warning_as_error_callback) (int) = NULL;
-
-/* Register a callback for enable_warning_as_error calls. */
-
-void
-register_warning_as_error_callback (void (*callback) (int))
-{
- gcc_assert (warning_as_error_callback == NULL || callback == NULL);
- warning_as_error_callback = callback;
-}
-
-/* Enable a warning option as an error. This is used by -Werror= and
- also by legacy Werror-implicit-function-declaration. */
-
-void
+static void
enable_warning_as_error (const char *arg, int value, unsigned int lang_mask,
- const struct cl_option_handlers *handlers)
+ const struct cl_option_handlers *handlers,
+ struct gcc_options *opts,
+ struct gcc_options *opts_set,
+ location_t loc, diagnostic_context *dc)
{
char *new_option;
int option_index;
option_index = find_opt (new_option, lang_mask);
if (option_index == OPT_SPECIAL_unknown)
{
- error ("-Werror=%s: No option -%s", arg, new_option);
+ error ("-Werror=%s: no option -%s", arg, new_option);
}
else
{
- const struct cl_option *option = &cl_options[option_index];
const diagnostic_t kind = value ? DK_ERROR : DK_WARNING;
- if (option->alias_target != N_OPTS)
- option_index = option->alias_target;
- if (option_index == OPT_SPECIAL_ignore)
- return;
- diagnostic_classify_diagnostic (global_dc, option_index, kind,
- UNKNOWN_LOCATION);
- if (kind == DK_ERROR)
- {
- const struct cl_option * const option = cl_options + option_index;
-
- /* -Werror=foo implies -Wfoo. */
- if (option->var_type == CLVC_BOOLEAN)
- handle_generated_option (option_index, NULL, value, lang_mask,
- (int)kind, handlers);
-
- if (warning_as_error_callback)
- warning_as_error_callback (option_index);
- }
+ control_warning_option (option_index, (int) kind, value,
+ loc, lang_mask,
+ handlers, opts, opts_set, dc);
}
free (new_option);
}
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