/* Command line option handling.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
Contributed by Neil Booth.
This file is part of GCC.
#include "config.h"
#include "system.h"
-
-#include <signal.h>
-
-#ifdef HAVE_SYS_RESOURCE_H
-# include <sys/resource.h>
-#endif
-
#include "intl.h"
#include "coretypes.h"
-#include "tm.h" /* Needed by rtl.h and used for DWARF2_DEBUGGING_INFO
- and DBX_DEBUGGING_INFO. */
-#include "rtl.h" /* Needed by insn-attr.h. */
#include "opts.h"
#include "options.h"
+#include "tm.h" /* For STACK_CHECK_BUILTIN,
+ STACK_CHECK_STATIC_BUILTIN, DEFAULT_GDB_EXTENSIONS,
+ DWARF2_DEBUGGING_INFO and DBX_DEBUGGING_INFO. */
#include "flags.h"
#include "params.h"
#include "diagnostic.h"
+#include "diagnostic-color.h"
#include "opts-diagnostic.h"
-#include "insn-attr.h" /* For INSN_SCHEDULING and DELAY_SLOTS. */
-#include "target.h"
+#include "insn-attr-common.h"
+#include "common/common-target.h"
+
+static void set_Wstrict_aliasing (struct gcc_options *opts, int onoff);
-/* 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;
+/* Indexed by enum debug_info_type. */
+const char *const debug_type_names[] =
+{
+ "none", "stabs", "coff", "dwarf-2", "xcoff", "vms"
+};
/* Parse the -femit-struct-debug-detailed option value
and set the flag variables. */
}
}
-/* Handle -ftree-vectorizer-verbose=VAL for options OPTS. */
-
-static void
-vect_set_verbosity_level (struct gcc_options *opts, int val)
-{
- if (val < MAX_VERBOSITY_LEVEL)
- opts->x_user_vect_verbosity_level = (enum vect_verbosity_levels) val;
- else
- opts->x_user_vect_verbosity_level
- = (enum vect_verbosity_levels) (MAX_VERBOSITY_LEVEL - 1);
-}
-
-
/* Strip off a legitimate source ending from the input string NAME of
length LEN. Rather than having to know the names used by all of
our front ends, we strip off an ending of a period followed by
char c = *p;
while (c)
{
- if (IS_DIR_SEPARATOR(c))
+ if (IS_DIR_SEPARATOR (c))
{
base = p + 1;
dot = 0;
static const char undocumented_msg[] = N_("This switch lacks documentation");
typedef char *char_p; /* For DEF_VEC_P. */
-DEF_VEC_P(char_p);
-DEF_VEC_ALLOC_P(char_p,heap);
static void handle_param (struct gcc_options *opts,
struct gcc_options *opts_set, location_t loc,
struct gcc_options *opts_set,
const struct cl_decoded_option *decoded,
unsigned int lang_mask ATTRIBUTE_UNUSED, int kind,
- location_t loc 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);
- /* Although the location is not passed down to
- targetm.handle_option, do not make assertions about its value;
- options may come from optimize attributes and having the correct
- location in the handler is not generally important. */
- return targetm.handle_option (decoded->opt_index, decoded->arg,
- decoded->value);
+ return targetm_common.handle_option (opts, opts_set, decoded, loc);
}
/* Add comma-separated strings to a char_p vector. */
char *r;
char *w;
char *token_start;
- VEC(char_p,heap) *vec = (VEC(char_p,heap) *) *pvec;
+ vec<char_p> *v = (vec<char_p> *) *pvec;
+
+ vec_check_alloc (v, 1);
/* We never free this string. */
tmp = xstrdup (arg);
{
*w++ = '\0';
++r;
- VEC_safe_push (char_p, heap, vec, token_start);
+ v->safe_push (token_start);
token_start = w;
}
if (*r == '\\' && r[1] == ',')
*w++ = *r++;
}
if (*token_start != '\0')
- VEC_safe_push (char_p, heap, vec, token_start);
+ v->safe_push (token_start);
- *pvec = vec;
+ *pvec = v;
}
/* Initialize OPTS and OPTS_SET before using them in parsing options. */
{
size_t num_params = get_num_compiler_params ();
+ gcc_obstack_init (&opts_obstack);
+
*opts = global_options_init;
- memset (opts_set, 0, sizeof (*opts_set));
+
+ if (opts_set)
+ 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;
+ if (opts_set)
+ opts_set->x_param_values = XCNEWVEC (int, num_params);
+
+ init_param_values (opts->x_param_values);
/* Initialize whether `char' is signed. */
opts->x_flag_signed_char = DEFAULT_SIGNED_CHAR;
is set after target options have been processed. */
opts->x_flag_short_enums = 2;
- /* Initialize target_flags before targetm.target_option.optimization
+ /* Initialize target_flags before default_options_optimization
so the latter can modify it. */
- opts->x_target_flags = targetm.default_target_flags;
+ opts->x_target_flags = targetm_common.default_target_flags;
/* Some targets have ABI-specified unwind tables. */
- opts->x_flag_unwind_tables = targetm.unwind_tables_default;
+ opts->x_flag_unwind_tables = targetm_common.unwind_tables_default;
/* Some targets have other target-specific initialization. */
- targetm.target_option.init_struct (opts);
+ targetm_common.option_init_struct (opts);
}
/* 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. */
+ -Ofast if FAST is set, -Og if DEBUG 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,
+ int level, bool size, bool fast, bool debug,
unsigned int lang_mask,
const struct cl_option_handlers *handlers,
location_t loc,
gcc_assert (level == 2);
if (fast)
gcc_assert (level == 3);
+ if (debug)
+ gcc_assert (level == 1);
switch (default_opt->levels)
{
break;
case OPT_LEVELS_1_PLUS_SPEED_ONLY:
- enabled = (level >= 1 && !size);
+ enabled = (level >= 1 && !size && !debug);
+ break;
+
+ case OPT_LEVELS_1_PLUS_NOT_DEBUG:
+ enabled = (level >= 1 && !debug);
break;
case OPT_LEVELS_2_PLUS:
break;
case OPT_LEVELS_2_PLUS_SPEED_ONLY:
- enabled = (level >= 2 && !size);
+ enabled = (level >= 2 && !size && !debug);
break;
case OPT_LEVELS_3_PLUS:
lang_mask, DK_UNSPECIFIED, loc,
handlers, dc);
else if (default_opt->arg == NULL
- && !(option->flags & CL_REJECT_NEGATIVE))
+ && !option->cl_reject_negative)
handle_generated_option (opts, opts_set, default_opt->opt_index,
default_opt->arg, !default_opt->value,
lang_mask, DK_UNSPECIFIED, loc,
maybe_default_options (struct gcc_options *opts,
struct gcc_options *opts_set,
const struct default_options *default_opts,
- int level, bool size, bool fast,
+ int level, bool size, bool fast, bool debug,
unsigned int lang_mask,
const struct cl_option_handlers *handlers,
location_t loc,
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);
+ level, size, fast, debug,
+ lang_mask, handlers, loc, dc);
}
/* Table of options enabled by default at different levels. */
{ 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_fshrink_wrap, 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_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_NOT_DEBUG, 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 },
+ { OPT_LEVELS_1_PLUS, OPT_fcompare_elim, NULL, 1 },
+ { OPT_LEVELS_1_PLUS, OPT_ftree_slsr, NULL, 1 },
+ { OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_fbranch_count_reg, NULL, 1 },
+ { OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_fmove_loop_invariants, NULL, 1 },
+ { OPT_LEVELS_1_PLUS_NOT_DEBUG, OPT_ftree_pta, NULL, 1 },
/* -O2 optimizations. */
{ OPT_LEVELS_2_PLUS, OPT_finline_small_functions, NULL, 1 },
{ 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_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_fdevirtualize, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fdevirtualize_speculatively, 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 },
+ { OPT_LEVELS_2_PLUS, OPT_ftree_tail_merge, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_CHEAP },
+ { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_foptimize_strlen, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fisolate_erroneous_paths_dereference, NULL, 1 },
/* -O3 optimizations. */
{ OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, 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_1_PLUS_NOT_DEBUG, OPT_finline_functions_called_once, 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_ftree_loop_vectorize, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_ftree_slp_vectorize, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_fvect_cost_model_, NULL, VECT_COST_MODEL_DYNAMIC },
{ OPT_LEVELS_3_PLUS, OPT_fipa_cp_clone, NULL, 1 },
+ { OPT_LEVELS_3_PLUS, OPT_ftree_partial_pre, NULL, 1 },
/* -Ofast adds optimizations to -O3. */
{ OPT_LEVELS_FAST, OPT_ffast_math, NULL, 1 },
{
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. */
{
opts->x_optimize = 1;
opts->x_optimize_size = 0;
- ofast = 0;
+ opts->x_optimize_fast = 0;
+ opts->x_optimize_debug = 0;
}
else
{
const int optimize_val = integral_argument (opt->arg);
if (optimize_val == -1)
- error_at (loc,
- "argument to %qs should be a non-negative integer",
- "-O");
+ error_at (loc, "argument to %<-O%> should be a non-negative "
+ "integer, %<g%>, %<s%> or %<fast%>");
else
{
opts->x_optimize = optimize_val;
if ((unsigned int) opts->x_optimize > 255)
opts->x_optimize = 255;
opts->x_optimize_size = 0;
- ofast = 0;
+ opts->x_optimize_fast = 0;
+ opts->x_optimize_debug = 0;
}
}
break;
/* Optimizing for size forces optimize to be 2. */
opts->x_optimize = 2;
- ofast = 0;
+ opts->x_optimize_fast = 0;
+ opts->x_optimize_debug = 0;
break;
case OPT_Ofast:
/* -Ofast only adds flags to -O3. */
opts->x_optimize_size = 0;
opts->x_optimize = 3;
- ofast = 1;
+ opts->x_optimize_fast = 1;
+ opts->x_optimize_debug = 0;
+ break;
+
+ case OPT_Og:
+ /* -Og selects optimization level 1. */
+ opts->x_optimize_size = 0;
+ opts->x_optimize = 1;
+ opts->x_optimize_fast = 0;
+ opts->x_optimize_debug = 1;
break;
default:
maybe_default_options (opts, opts_set, default_options_table,
opts->x_optimize, opts->x_optimize_size,
- ofast, lang_mask, handlers, loc, dc);
+ opts->x_optimize_fast, opts->x_optimize_debug,
+ lang_mask, handlers, loc, dc);
/* -O2 param settings. */
opt2 = (opts->x_optimize >= 2);
/* Allow default optimizations to be specified on a per-machine basis. */
maybe_default_options (opts, opts_set,
- targetm.target_option.optimization_table,
+ targetm_common.option_optimization_table,
opts->x_optimize, opts->x_optimize_size,
- ofast, lang_mask, handlers, loc, dc);
+ opts->x_optimize_fast, opts->x_optimize_debug,
+ lang_mask, handlers, loc, dc);
}
/* After all options at LOC have been read into OPTS and OPTS_SET,
{
enum unwind_info_type ui_except;
- if (opts->x_dump_base_name && ! IS_ABSOLUTE_PATH (opts->x_dump_base_name))
+ if (opts->x_dump_base_name
+ && ! IS_ABSOLUTE_PATH (opts->x_dump_base_name)
+ && ! opts->x_dump_base_name_prefixed)
{
/* First try to make OPTS->X_DUMP_BASE_NAME relative to the
OPTS->X_DUMP_DIR_NAME directory. Then try to make
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)
+ opts->x_dump_base_name = opts_concat (opts->x_dump_dir_name,
+ opts->x_dump_base_name, NULL);
+ else if (opts->x_aux_base_name
+ && strcmp (opts->x_aux_base_name, HOST_BIT_BUCKET) != 0)
{
const char *aux_base;
if (opts->x_aux_base_name != aux_base)
{
int dir_len = aux_base - opts->x_aux_base_name;
- char *new_dump_base_name =
- XNEWVEC (char, strlen (opts->x_dump_base_name) + dir_len + 1);
+ char *new_dump_base_name
+ = XOBNEWVEC (&opts_obstack, char,
+ strlen (opts->x_dump_base_name) + dir_len + 1);
/* Copy directory component from OPTS->X_AUX_BASE_NAME. */
memcpy (new_dump_base_name, opts->x_aux_base_name, dir_len);
opts->x_dump_base_name = new_dump_base_name;
}
}
+ opts->x_dump_base_name_prefixed = true;
}
/* Handle related options for unit-at-a-time, toplevel-reorder, and
opts->x_flag_toplevel_reorder = 0;
}
- /* -Wmissing-noreturn is alias for -Wsuggest-attribute=noreturn. */
- if (opts->x_warn_missing_noreturn)
- opts->x_warn_suggest_attribute_noreturn = true;
-
+ if (opts->x_flag_tm && opts->x_flag_non_call_exceptions)
+ sorry ("transactional memory is not supported with non-call exceptions");
+
/* 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. */
opts->x_flag_pic = opts->x_flag_pie;
if (opts->x_flag_pic && !opts->x_flag_pie)
opts->x_flag_shlib = 1;
- opts->x_flag_opts_finished = false;
+ opts->x_flag_opts_finished = true;
}
if (opts->x_optimize == 0)
generating unwind info. If opts->x_flag_exceptions is turned on
we need to turn off the partitioning optimization. */
- ui_except = targetm.except_unwind_info (opts);
+ ui_except = targetm_common.except_unwind_info (opts);
if (opts->x_flag_exceptions
&& opts->x_flag_reorder_blocks_and_partition
- && (ui_except == UI_SJLJ || ui_except == UI_TARGET))
+ && (ui_except == UI_SJLJ || ui_except >= UI_TARGET))
{
- inform (loc,
- "-freorder-blocks-and-partition does not work "
- "with exceptions on this architecture");
+ if (opts_set->x_flag_reorder_blocks_and_partition)
+ inform (loc,
+ "-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;
}
optimization. */
if (opts->x_flag_unwind_tables
- && !targetm.unwind_tables_default
+ && !targetm_common.unwind_tables_default
&& opts->x_flag_reorder_blocks_and_partition
- && (ui_except == UI_SJLJ || ui_except == UI_TARGET))
+ && (ui_except == UI_SJLJ || ui_except >= UI_TARGET))
{
- inform (loc,
- "-freorder-blocks-and-partition does not support "
- "unwind info on this architecture");
+ if (opts_set->x_flag_reorder_blocks_and_partition)
+ inform (loc,
+ "-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;
}
support named sections. */
if (opts->x_flag_reorder_blocks_and_partition
- && (!targetm.have_named_sections
+ && (!targetm_common.have_named_sections
|| (opts->x_flag_unwind_tables
- && targetm.unwind_tables_default
- && (ui_except == UI_SJLJ || ui_except == UI_TARGET))))
+ && targetm_common.unwind_tables_default
+ && (ui_except == UI_SJLJ || ui_except >= UI_TARGET))))
{
- inform (loc,
- "-freorder-blocks-and-partition does not work "
- "on this architecture");
+ if (opts_set->x_flag_reorder_blocks_and_partition)
+ inform (loc,
+ "-freorder-blocks-and-partition does not work "
+ "on this architecture");
opts->x_flag_reorder_blocks_and_partition = 0;
opts->x_flag_reorder_blocks = 1;
}
+ if (opts->x_flag_reorder_blocks_and_partition
+ && !opts_set->x_flag_reorder_functions)
+ opts->x_flag_reorder_functions = 1;
+
/* Pipelining of outer loops is only possible when general pipelining
capabilities are requested. */
if (!opts->x_flag_sel_sched_pipelining)
opts->x_flag_sel_sched_pipelining_outer_loops = 0;
- if (!targetm.ira_cover_classes
- && opts->x_flag_ira_algorithm == IRA_ALGORITHM_CB)
- {
- inform (loc,
- "-fira-algorithm=CB does not work on this architecture");
- opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
- }
-
if (opts->x_flag_conserve_stack)
{
maybe_set_param_value (PARAM_LARGE_STACK_FRAME, 100,
maybe_set_param_value (PARAM_STACK_FRAME_GROWTH, 40,
opts->x_param_values, opts_set->x_param_values);
}
- if (opts->x_flag_wpa || opts->x_flag_ltrans)
- {
- /* These passes are not WHOPR compatible yet. */
- opts->x_flag_ipa_pta = 0;
- opts->x_flag_ipa_struct_reorg = 0;
- }
if (opts->x_flag_lto)
{
#else
error_at (loc, "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_at (loc, "only one -flto-partition value can be specified");
+ if (!opts->x_flag_fat_lto_objects
+ && (!HAVE_LTO_PLUGIN
+ || (opts_set->x_flag_use_linker_plugin
+ && !opts->x_flag_use_linker_plugin)))
+ {
+ if (opts_set->x_flag_fat_lto_objects)
+ error_at (loc, "-fno-fat-lto-objects are supported only with linker plugin");
+ opts->x_flag_fat_lto_objects = 1;
+ }
}
/* We initialize opts->x_flag_split_stack to -1 so that targets can set a
opts->x_flag_split_stack = 0;
else if (opts->x_flag_split_stack)
{
- if (!targetm.supports_split_stack (true, opts))
+ if (!targetm_common.supports_split_stack (true, opts))
{
error_at (loc, "%<-fsplit-stack%> is not supported by "
"this compiler configuration");
opts->x_flag_split_stack = 0;
}
}
+
+ /* Tune vectorization related parametees according to cost model. */
+ if (opts->x_flag_vect_cost_model == VECT_COST_MODEL_CHEAP)
+ {
+ maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS,
+ 6, opts->x_param_values, opts_set->x_param_values);
+ maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS,
+ 0, opts->x_param_values, opts_set->x_param_values);
+ maybe_set_param_value (PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT,
+ 0, opts->x_param_values, opts_set->x_param_values);
+ }
+
+ /* Set PARAM_MAX_STORES_TO_SINK to 0 if either vectorization or if-conversion
+ is disabled. */
+ if ((!opts->x_flag_tree_loop_vectorize && !opts->x_flag_tree_slp_vectorize)
+ || !opts->x_flag_tree_loop_if_convert)
+ maybe_set_param_value (PARAM_MAX_STORES_TO_SINK, 0,
+ opts->x_param_values, opts_set->x_param_values);
+
+ /* The -gsplit-dwarf option requires -gpubnames. */
+ if (opts->x_dwarf_split_debug_info)
+ opts->x_debug_generate_pub_sections = 1;
}
#define LEFT_COLUMN 27
}
}
- printf( " %-*.*s %.*s\n", col_width, item_width, item, len, help);
+ printf (" %-*.*s %.*s\n", col_width, item_width, item, len, help);
item_width = 0;
while (help[len] == ' ')
len++;
unsigned int exclude_flags,
unsigned int any_flags,
unsigned int columns,
- struct gcc_options *opts)
+ struct gcc_options *opts,
+ unsigned int lang_mask)
{
unsigned int i;
const char *help;
if (!opts->x_help_printed)
opts->x_help_printed = XCNEWVAR (char, cl_options_count);
+ if (!opts->x_help_enum_printed)
+ opts->x_help_enum_printed = XCNEWVAR (char, cl_enums_count);
+
for (i = 0; i < cl_options_count; i++)
{
char new_help[128];
/* With the -Q option enabled we change the descriptive text associated
with an option to be an indication of its current setting. */
- if (!quiet_flag)
+ if (!opts->x_quiet_flag)
{
void *flag_var = option_flag_var (i, opts);
sizeof (new_help) - strlen (new_help),
* (const char **) flag_var);
}
+ else if (option->var_type == CLVC_ENUM)
+ {
+ const struct cl_enum *e = &cl_enums[option->var_enum];
+ int value;
+ const char *arg = NULL;
+
+ value = e->get (flag_var);
+ enum_value_to_arg (e->values, &arg, value, lang_mask);
+ if (arg == NULL)
+ arg = _("[default]");
+ snprintf (new_help + strlen (new_help),
+ sizeof (new_help) - strlen (new_help),
+ arg);
+ }
else
sprintf (new_help + strlen (new_help),
"%#x", * (int *) flag_var);
wrap_help (help, opt, len, columns);
displayed = true;
+
+ if (option->var_type == CLVC_ENUM
+ && opts->x_help_enum_printed[option->var_enum] != 2)
+ opts->x_help_enum_printed[option->var_enum] = 1;
}
if (! found)
printf (_(" All options with the desired characteristics have already been displayed\n"));
putchar ('\n');
+
+ /* Print details of enumerated option arguments, if those
+ enumerations have help text headings provided. If no help text
+ is provided, presume that the possible values are listed in the
+ help text for the relevant options. */
+ for (i = 0; i < cl_enums_count; i++)
+ {
+ unsigned int j, pos;
+
+ if (opts->x_help_enum_printed[i] != 1)
+ continue;
+ if (cl_enums[i].help == NULL)
+ continue;
+ printf (" %s\n ", _(cl_enums[i].help));
+ pos = 4;
+ for (j = 0; cl_enums[i].values[j].arg != NULL; j++)
+ {
+ unsigned int len = strlen (cl_enums[i].values[j].arg);
+
+ if (pos > 4 && pos + 1 + len <= columns)
+ {
+ printf (" %s", cl_enums[i].values[j].arg);
+ pos += 1 + len;
+ }
+ else
+ {
+ if (pos > 4)
+ {
+ printf ("\n ");
+ pos = 4;
+ }
+ printf ("%s", cl_enums[i].values[j].arg);
+ pos += len;
+ }
+ }
+ printf ("\n\n");
+ opts->x_help_enum_printed[i] = 2;
+ }
}
/* Display help for a specified type of option.
The options must have ALL of the INCLUDE_FLAGS set
ANY of the flags in the ANY_FLAGS set
and NONE of the EXCLUDE_FLAGS set. The current option state is in
- OPTS. */
+ OPTS; LANG_MASK is used for interpreting enumerated option state. */
static void
print_specific_help (unsigned int include_flags,
unsigned int exclude_flags,
unsigned int any_flags,
- struct gcc_options *opts)
+ struct gcc_options *opts,
+ unsigned int lang_mask)
{
unsigned int all_langs_mask = (1U << cl_lang_count) - 1;
const char * description = NULL;
/* Sanity check: Make sure that we do not have more
languages than we have bits available to enumerate them. */
- gcc_assert ((1U << cl_lang_count) < CL_MIN_OPTION_CLASS);
+ gcc_assert ((1U << cl_lang_count) <= CL_MIN_OPTION_CLASS);
/* If we have not done so already, obtain
the desired maximum width of the output. */
{
const char *p;
- GET_ENVIRONMENT (p, "COLUMNS");
+ p = getenv ("COLUMNS");
if (p != NULL)
{
int value = atoi (p);
printf ("%s%s:\n", description, descrip_extra);
print_filtered_help (include_flags, exclude_flags, any_flags,
- opts->x_help_columns, opts);
+ opts->x_help_columns, opts, lang_mask);
}
/* Handle target- and language-independent options. Return zero to
unsigned int undoc_mask;
unsigned int i;
+ if (lang_mask == CL_DRIVER)
+ break;;
+
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
- (1U << i, (all_langs_mask & (~ (1U << i))) | undoc_mask, 0, opts);
+ (1U << i, (all_langs_mask & (~ (1U << i))) | undoc_mask, 0, opts,
+ lang_mask);
/* Next display any multi language specific options. */
- print_specific_help (0, undoc_mask, all_langs_mask, opts);
+ print_specific_help (0, undoc_mask, all_langs_mask, opts, lang_mask);
/* Then display any remaining, non-language options. */
for (i = CL_MIN_OPTION_CLASS; i <= CL_MAX_OPTION_CLASS; i <<= 1)
if (i != CL_DRIVER)
- print_specific_help (i, undoc_mask, 0, opts);
+ print_specific_help (i, undoc_mask, 0, opts, lang_mask);
opts->x_exit_after_options = true;
break;
}
case OPT__target_help:
- print_specific_help (CL_TARGET, CL_UNDOCUMENTED, 0, opts);
- opts->x_exit_after_options = true;
+ if (lang_mask == CL_DRIVER)
+ break;
- /* Allow the target a chance to give the user some additional information. */
- if (targetm.help)
- targetm.help ();
+ print_specific_help (CL_TARGET, CL_UNDOCUMENTED, 0, opts, lang_mask);
+ opts->x_exit_after_options = true;
break;
case OPT__help_:
--help=target,^undocumented */
unsigned int exclude_flags = 0;
+ if (lang_mask == CL_DRIVER)
+ break;
+
/* Walk along the argument string, parsing each word in turn.
The format is:
arg = [^]{word}[,{arg}]
}
if (include_flags)
- print_specific_help (include_flags, exclude_flags, 0, opts);
+ print_specific_help (include_flags, exclude_flags, 0, opts,
+ lang_mask);
opts->x_exit_after_options = true;
break;
}
case OPT__version:
+ if (lang_mask == CL_DRIVER)
+ break;
+
opts->x_exit_after_options = true;
break;
+ case OPT_fsanitize_:
+ {
+ const char *p = arg;
+ while (*p != 0)
+ {
+ static const struct
+ {
+ const char *const name;
+ unsigned int flag;
+ size_t len;
+ } spec[] =
+ {
+ { "address", SANITIZE_ADDRESS, sizeof "address" - 1 },
+ { "thread", SANITIZE_THREAD, sizeof "thread" - 1 },
+ { "leak", SANITIZE_LEAK, sizeof "leak" - 1 },
+ { "shift", SANITIZE_SHIFT, sizeof "shift" - 1 },
+ { "integer-divide-by-zero", SANITIZE_DIVIDE,
+ sizeof "integer-divide-by-zero" - 1 },
+ { "undefined", SANITIZE_UNDEFINED, sizeof "undefined" - 1 },
+ { "unreachable", SANITIZE_UNREACHABLE,
+ sizeof "unreachable" - 1 },
+ { "vla-bound", SANITIZE_VLA, sizeof "vla-bound" - 1 },
+ { "return", SANITIZE_RETURN, sizeof "return" - 1 },
+ { "null", SANITIZE_NULL, sizeof "null" - 1 },
+ { "signed-integer-overflow", SANITIZE_SI_OVERFLOW,
+ sizeof "signed-integer-overflow" -1 },
+ { "bool", SANITIZE_BOOL, sizeof "bool" - 1 },
+ { "enum", SANITIZE_ENUM, sizeof "enum" - 1 },
+ { NULL, 0, 0 }
+ };
+ const char *comma;
+ size_t len, i;
+ bool found = false;
+
+ comma = strchr (p, ',');
+ if (comma == NULL)
+ len = strlen (p);
+ else
+ len = comma - p;
+ if (len == 0)
+ {
+ p = comma + 1;
+ continue;
+ }
+
+ /* Check to see if the string matches an option class name. */
+ for (i = 0; spec[i].name != NULL; ++i)
+ if (len == spec[i].len
+ && memcmp (p, spec[i].name, len) == 0)
+ {
+ /* Handle both -fsanitize and -fno-sanitize cases. */
+ if (value)
+ flag_sanitize |= spec[i].flag;
+ else
+ flag_sanitize &= ~spec[i].flag;
+ found = true;
+ break;
+ }
+
+ if (! found)
+ warning_at (loc, 0,
+ "unrecognized argument to -fsanitize= option: %q.*s",
+ (int) len, p);
+
+ if (comma == NULL)
+ break;
+ p = comma + 1;
+ }
+
+ /* When instrumenting the pointers, we don't want to remove
+ the null pointer checks. */
+ if (flag_sanitize & SANITIZE_NULL)
+ opts->x_flag_delete_null_pointer_checks = 0;
+ break;
+ }
+
case OPT_O:
case OPT_Os:
case OPT_Ofast:
+ case OPT_Og:
/* Currently handled in a prescan. */
break;
+ case OPT_Werror:
+ dc->warning_as_error_requested = value;
+ break;
+
case OPT_Werror_:
+ if (lang_mask == CL_DRIVER)
+ break;
+
enable_warning_as_error (arg, value, lang_mask, handlers,
opts, opts_set, loc, dc);
break;
opts->x_warn_frame_larger_than = value != -1;
break;
+ case OPT_Wstack_usage_:
+ opts->x_warn_stack_usage = value;
+ opts->x_flag_stack_usage_info = value != -1;
+ break;
+
case OPT_Wstrict_aliasing:
set_Wstrict_aliasing (opts, value);
break;
strip_off_ending (tmp, strlen (tmp));
if (tmp[0])
opts->x_aux_base_name = tmp;
+ else
+ free (tmp);
}
break;
/* Deferred. */
break;
- case OPT_fcompare_debug_second:
- flag_compare_debug = value;
- break;
-
case OPT_fdbg_cnt_:
case OPT_fdbg_cnt_list:
/* Deferred. */
break;
case OPT_fdiagnostics_show_location_:
- if (!strcmp (arg, "once"))
- diagnostic_prefixing_rule (dc) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
- else if (!strcmp (arg, "every-line"))
- diagnostic_prefixing_rule (dc)
- = DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE;
- else
- return false;
+ diagnostic_prefixing_rule (dc) = (diagnostic_prefixing_rule_t) value;
+ break;
+
+ case OPT_fdiagnostics_show_caret:
+ dc->show_caret = value;
+ break;
+
+ case OPT_fdiagnostics_color_:
+ pp_show_color (dc->printer)
+ = colorize_init ((diagnostic_color_rule_t) value);
break;
case OPT_fdiagnostics_show_option:
/* Deferred. */
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_at (loc, "unknown floating point contraction style \"%s\"", arg);
- break;
-
- case OPT_fexcess_precision_:
- if (!strcmp (arg, "fast"))
- opts->x_flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
- else if (!strcmp (arg, "standard"))
- opts->x_flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;
- else
- error_at (loc, "unknown excess precision style \"%s\"", arg);
- break;
-
case OPT_ffast_math:
set_fast_math_flags (opts, value);
break;
case OPT_fmessage_length_:
pp_set_line_maximum_length (dc->printer, value);
+ diagnostic_set_caret_max_width (dc, value);
+ break;
+
+ case OPT_fopt_info:
+ case OPT_fopt_info_:
+ /* Deferred. */
break;
case OPT_fpack_struct_:
opts->x_flag_unswitch_loops = value;
if (!opts_set->x_flag_gcse_after_reload)
opts->x_flag_gcse_after_reload = value;
+ if (!opts_set->x_flag_tree_loop_vectorize
+ && !opts_set->x_flag_tree_vectorize)
+ opts->x_flag_tree_loop_vectorize = value;
+ if (!opts_set->x_flag_tree_slp_vectorize
+ && !opts_set->x_flag_tree_vectorize)
+ opts->x_flag_tree_slp_vectorize = value;
+ if (!opts_set->x_flag_vect_cost_model)
+ opts->x_flag_vect_cost_model = VECT_COST_MODEL_DYNAMIC;
+ if (!opts_set->x_flag_tree_loop_distribute_patterns)
+ opts->x_flag_tree_loop_distribute_patterns = value;
+ if (!opts_set->x_flag_profile_reorder_functions)
+ opts->x_flag_profile_reorder_functions = value;
+ /* Indirect call profiling should do all useful transformations
+ speculative devirtualization does. */
+ if (!opts_set->x_flag_devirtualize_speculatively
+ && opts->x_flag_value_profile_transformations)
+ opts->x_flag_devirtualize_speculatively = false;
break;
case OPT_fprofile_generate_:
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;
+ /* FIXME: Instrumentation we insert makes ipa-reference bitmaps
+ quadratic. Disable the pass until better memory representation
+ is done. */
+ if (!opts_set->x_flag_ipa_reference && opts->x_in_lto_p)
+ opts->x_flag_ipa_reference = false;
break;
+ case OPT_ftree_vectorize:
+ if (!opts_set->x_flag_tree_loop_vectorize)
+ opts->x_flag_tree_loop_vectorize = value;
+ if (!opts_set->x_flag_tree_slp_vectorize)
+ opts->x_flag_tree_slp_vectorize = value;
+ break;
case OPT_fshow_column:
dc->show_column = value;
break;
- case OPT_fvisibility_:
- {
- if (!strcmp(arg, "default"))
- opts->x_default_visibility = VISIBILITY_DEFAULT;
- else if (!strcmp(arg, "internal"))
- opts->x_default_visibility = VISIBILITY_INTERNAL;
- else if (!strcmp(arg, "hidden"))
- opts->x_default_visibility = VISIBILITY_HIDDEN;
- else if (!strcmp(arg, "protected"))
- opts->x_default_visibility = VISIBILITY_PROTECTED;
- else
- error_at (loc, "unrecognized visibility value \"%s\"", arg);
- }
- break;
-
case OPT_frandom_seed:
/* The real switch is -fno-random-seed. */
if (value)
case OPT_fstack_check_:
if (!strcmp (arg, "no"))
- flag_stack_check = NO_STACK_CHECK;
+ opts->x_flag_stack_check = NO_STACK_CHECK;
else if (!strcmp (arg, "generic"))
/* This is the old stack checking method. */
- flag_stack_check = STACK_CHECK_BUILTIN
+ opts->x_flag_stack_check = STACK_CHECK_BUILTIN
? FULL_BUILTIN_STACK_CHECK
: GENERIC_STACK_CHECK;
else if (!strcmp (arg, "specific"))
/* This is the new stack checking method. */
- flag_stack_check = STACK_CHECK_BUILTIN
+ opts->x_flag_stack_check = STACK_CHECK_BUILTIN
? FULL_BUILTIN_STACK_CHECK
: STACK_CHECK_STATIC_BUILTIN
? STATIC_BUILTIN_STACK_CHECK
/* Deferred. */
break;
- case OPT_ftree_vectorizer_verbose_:
- vect_set_verbosity_level (opts, value);
- break;
-
- case OPT_ftls_model_:
- if (!strcmp (arg, "global-dynamic"))
- opts->x_flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
- else if (!strcmp (arg, "local-dynamic"))
- opts->x_flag_tls_default = TLS_MODEL_LOCAL_DYNAMIC;
- else if (!strcmp (arg, "initial-exec"))
- opts->x_flag_tls_default = TLS_MODEL_INITIAL_EXEC;
- else if (!strcmp (arg, "local-exec"))
- opts->x_flag_tls_default = TLS_MODEL_LOCAL_EXEC;
- else
- warning_at (loc, 0, "unknown tls-model \"%s\"", arg);
- break;
-
- case OPT_fira_algorithm_:
- if (!strcmp (arg, "CB"))
- opts->x_flag_ira_algorithm = IRA_ALGORITHM_CB;
- else if (!strcmp (arg, "priority"))
- opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY;
- else
- warning_at (loc, 0, "unknown ira algorithm \"%s\"", arg);
- break;
-
- case OPT_fira_region_:
- if (!strcmp (arg, "one"))
- opts->x_flag_ira_region = IRA_REGION_ONE;
- else if (!strcmp (arg, "all"))
- opts->x_flag_ira_region = IRA_REGION_ALL;
- else if (!strcmp (arg, "mixed"))
- opts->x_flag_ira_region = IRA_REGION_MIXED;
- else
- warning_at (loc, 0, "unknown ira region \"%s\"", arg);
+ case OPT_fstack_usage:
+ opts->x_flag_stack_usage = value;
+ opts->x_flag_stack_usage_info = value != 0;
break;
case OPT_g:
- set_debug_level (NO_DEBUG, DEFAULT_GDB_EXTENSIONS, arg, opts, opts_set,
- loc);
+ /* -g by itself should force -g2. */
+ if (*arg == '\0')
+ set_debug_level (NO_DEBUG, DEFAULT_GDB_EXTENSIONS, "2", opts, opts_set,
+ loc);
+ else
+ set_debug_level (NO_DEBUG, DEFAULT_GDB_EXTENSIONS, arg, opts, opts_set,
+ loc);
break;
case OPT_gcoff:
set_debug_level (SDB_DEBUG, false, arg, opts, opts_set, loc);
break;
+ case OPT_gdwarf:
+ if (arg && strlen (arg) != 0)
+ {
+ error_at (loc, "%<-gdwarf%s%> is ambiguous; "
+ "use %<-gdwarf-%s%> for DWARF version "
+ "or %<-gdwarf -g%s%> for debug level", arg, arg, arg);
+ break;
+ }
+ else
+ value = opts->x_dwarf_version;
+
+ /* FALLTHRU */
case OPT_gdwarf_:
if (value < 2 || value > 4)
error_at (loc, "dwarf version %d is not supported", value);
else
- dwarf_version = value;
+ opts->x_dwarf_version = value;
set_debug_level (DWARF2_DEBUG, false, "", opts, opts_set, loc);
break;
+ case OPT_gsplit_dwarf:
+ set_debug_level (NO_DEBUG, DEFAULT_GDB_EXTENSIONS, "", opts, opts_set,
+ loc);
+ break;
+
case OPT_ggdb:
set_debug_level (NO_DEBUG, 2, arg, opts, opts_set, loc);
break;
break;
case OPT_pedantic_errors:
- opts->x_pedantic = 1;
dc->pedantic_errors = 1;
+ control_warning_option (OPT_Wpedantic, DK_ERROR, value,
+ loc, lang_mask,
+ handlers, opts, opts_set,
+ dc);
break;
case OPT_flto:
- opts->x_flag_lto = "";
+ opts->x_flag_lto = value ? "" : NULL;
break;
case OPT_w:
dc->max_errors = value;
break;
+ case OPT_fuse_ld_bfd:
+ case OPT_fuse_ld_gold:
case OPT_fuse_linker_plugin:
/* No-op. Used by the driver and passed to us because it starts with f.*/
break;
+ case OPT_fwrapv:
+ if (value)
+ opts->x_flag_trapv = 0;
+ break;
+
+ case OPT_ftrapv:
+ if (value)
+ opts->x_flag_wrapv = 0;
+ break;
+
default:
/* If the flag was handled in a standard way, assume the lack of
processing here is intentional. */
break;
}
+ common_handle_option_auto (opts, opts_set, decoded, lang_mask, kind,
+ loc, handlers, dc);
return true;
}
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
+static void
set_Wstrict_aliasing (struct gcc_options *opts, int onoff)
{
gcc_assert (onoff == 0 || onoff == 1);
static void
set_fast_math_flags (struct gcc_options *opts, int 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 (!opts->frontend_set_flag_unsafe_math_optimizations)
+ {
+ opts->x_flag_unsafe_math_optimizations = set;
+ set_unsafe_math_optimizations_flags (opts, set);
+ }
+ if (!opts->frontend_set_flag_finite_math_only)
+ opts->x_flag_finite_math_only = set;
+ if (!opts->frontend_set_flag_errno_math)
+ opts->x_flag_errno_math = !set;
if (set)
{
- opts->x_flag_signaling_nans = 0;
- opts->x_flag_rounding_math = 0;
- opts->x_flag_cx_limited_range = 1;
+ if (!opts->frontend_set_flag_signaling_nans)
+ opts->x_flag_signaling_nans = 0;
+ if (!opts->frontend_set_flag_rounding_math)
+ opts->x_flag_rounding_math = 0;
+ if (!opts->frontend_set_flag_cx_limited_range)
+ opts->x_flag_cx_limited_range = 1;
}
}
static void
set_unsafe_math_optimizations_flags (struct gcc_options *opts, int 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;
+ if (!opts->frontend_set_flag_trapping_math)
+ opts->x_flag_trapping_math = !set;
+ if (!opts->frontend_set_flag_signed_zeros)
+ opts->x_flag_signed_zeros = !set;
+ if (!opts->frontend_set_flag_associative_math)
+ opts->x_flag_associative_math = set;
+ if (!opts->frontend_set_flag_reciprocal_math)
+ opts->x_flag_reciprocal_math = set;
}
/* Return true iff flags in OPTS are set as if -ffast-math. */
opts->x_flag_dump_rtl_in_asm = 1;
opts->x_flag_print_asm_name = 1;
break;
- case 'v':
- opts->x_graph_dump_format = vcg;
- break;
case 'x':
opts->x_rtl_dump_and_exit = 1;
break;
return xstrdup (cl_options[option_index].opt_text);
}
/* A warning without option classified as an error. */
- else if (orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN
- || diag_kind == DK_WARNING)
- {
- if (context->warning_as_error_requested)
- return xstrdup (cl_options[OPT_Werror].opt_text);
- else
- return xstrdup (_("enabled by default"));
- }
+ else if ((orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN
+ || diag_kind == DK_WARNING)
+ && context->warning_as_error_requested)
+ return xstrdup (cl_options[OPT_Werror].opt_text);
else
return NULL;
}
projects / gcc.git / blobdiff