#include "diagnostic.h"
#include "params.h"
#include "reload.h"
+#include "ira.h"
#include "dwarf2asm.h"
#include "integrate.h"
#include "real.h"
#include "alloc-pool.h"
#include "tree-mudflap.h"
#include "tree-pass.h"
+#include "gimple.h"
+#include "tree-ssa-alias.h"
+#include "plugin.h"
#if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
#include "dwarf2out.h"
const char *aux_base_name;
+/* Prefix for profile data files */
+const char *profile_data_prefix;
+
/* A mask of target_flags that includes bit X if X was set or cleared
on the command line. */
if none. */
const char * current_function_func_begin_label;
-/* Temporarily suppress certain warnings.
- This is set while reading code from a system header file. */
-
-int in_system_header = 0;
-
/* Nonzero means to collect statistics which might be expensive
and to print them when we are done. */
int flag_detailed_statistics = 0;
int flag_complex_method = 1;
-/* Nonzero means that we don't want inlining by virtue of -fno-inline,
- not just because the tree inliner turned us off. */
-
-int flag_really_no_inline = 2;
-
/* Nonzero means we should be saving declaration info into a .X file. */
int flag_gen_aux_info = 0;
enum tls_model flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
+/* Set the default region and algorithm for the integrated register
+ allocator. */
+
+enum ira_algorithm flag_ira_algorithm = IRA_ALGORITHM_CB;
+enum ira_region flag_ira_region = IRA_REGION_MIXED;
+
+/* Set the default value for -fira-verbose. */
+
+unsigned int flag_ira_verbose = 5;
+
+/* Set the default for excess precision. */
+
+enum excess_precision flag_excess_precision_cmdline = EXCESS_PRECISION_DEFAULT;
+enum excess_precision flag_excess_precision = EXCESS_PRECISION_DEFAULT;
+
/* Nonzero means change certain warnings into errors.
Usually these are warnings about failure to conform to some standard. */
to optimize, debug_info_level and debug_hooks in process_options (). */
int flag_var_tracking = AUTODETECT_VALUE;
+/* Type of stack check. */
+enum stack_check_type flag_stack_check = NO_STACK_CHECK;
+
/* True if the user has tagged the function with the 'section'
attribute. */
|| TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
{
if (TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)))
- pedwarn ("%q+F used but never defined", decl);
+ pedwarn (input_location, 0, "%q+F used but never defined", decl);
else
warning (OPT_Wunused_function, "%q+F declared %<static%> but never defined", decl);
/* This symbol is effectively an "extern" declaration now. */
{
/* Initialize yet another pass. */
+ ggc_protect_identifiers = true;
+
init_cgraph ();
init_final (main_input_filename);
coverage_init (aux_base_name);
+ statistics_init ();
timevar_push (TV_PARSE);
rest_of_compilation for each function). */
lang_hooks.parse_file (set_yydebug);
- /* In case there were missing block closers,
- get us back to the global binding level. */
- lang_hooks.clear_binding_stack ();
-
/* Compilation is now finished except for writing
what's left of the symbol table output. */
timevar_pop (TV_PARSE);
if (flag_syntax_only)
return;
+ ggc_protect_identifiers = false;
+
lang_hooks.decls.final_write_globals ();
if (errorcount || sorrycount)
varpool_assemble_pending_decls ();
finish_aliases_2 ();
- /* This must occur after the loop to output deferred functions.
- Else the coverage initializer would not be emitted if all the
- functions in this compilation unit were deferred. */
- coverage_finish ();
-
/* Likewise for mudflap static object registrations. */
if (flag_mudflap)
mudflap_finish_file ();
break;
case 'D': /* These are handled by the preprocessor. */
case 'I':
+ case 'M':
+ case 'N':
+ case 'U':
break;
case 'H':
setup_core_dumping();
break;
-
case 'a':
+ enable_rtl_dump_file ();
+ break;
+
default:
- if (!enable_rtl_dump_file (c))
warning (0, "unrecognized gcc debugging option: %c", c);
break;
}
file == stderr ? _(fmt4) : fmt4,
indent, *indent != 0 ? " " : "",
PARAM_VALUE (GGC_MIN_EXPAND), PARAM_VALUE (GGC_MIN_HEAPSIZE));
+
+ print_plugins_versions (file, indent);
}
#ifdef ASM_COMMENT_START
NULL);
}
else
- inform ("-frecord-gcc-switches is not supported by the current target");
+ inform (input_location, "-frecord-gcc-switches is not supported by the current target");
}
#ifdef ASM_COMMENT_START
switch (*spec)
{
+ case 'E':
+ t = va_arg (*text->args_ptr, tree);
+ if (TREE_CODE (t) == IDENTIFIER_NODE)
+ {
+ pp_string (pp, IDENTIFIER_POINTER (t));
+ return true;
+ }
+ break;
+
case 'D':
t = va_arg (*text->args_ptr, tree);
if (DECL_DEBUG_EXPR_IS_FROM (t) && DECL_DEBUG_EXPR (t))
/* This must be done after add_params but before argument processing. */
init_ggc_heuristics();
init_optimization_passes ();
+ statistics_early_init ();
}
/* Return true if the current target supports -fsection-anchors. */
This can happen with incorrect pre-processed input. */
debug_hooks = &do_nothing_debug_hooks;
+ /* This replaces set_Wunused. */
+ if (warn_unused_function == -1)
+ warn_unused_function = warn_unused;
+ if (warn_unused_label == -1)
+ warn_unused_label = warn_unused;
+ /* Wunused-parameter is enabled if both -Wunused -Wextra are enabled. */
+ if (warn_unused_parameter == -1)
+ warn_unused_parameter = (warn_unused && extra_warnings);
+ if (warn_unused_variable == -1)
+ warn_unused_variable = warn_unused;
+ if (warn_unused_value == -1)
+ warn_unused_value = warn_unused;
+
/* Allow the front end to perform consistency checks and do further
initialization based on the command line options. This hook also
sets the original filename if appropriate (e.g. foo.i -> foo.c)
else
aux_base_name = "gccaux";
+#ifndef HAVE_cloog
+ if (flag_graphite
+ || flag_loop_block
+ || flag_loop_interchange
+ || flag_loop_strip_mine
+ || flag_graphite_identity)
+ sorry ("Graphite loop optimizations cannot be used");
+#endif
+
/* Unrolling all loops implies that standard loop unrolling must also
be done. */
if (flag_unroll_all_loops)
if (flag_asynchronous_unwind_tables)
flag_unwind_tables = 1;
- if (!flag_unit_at_a_time)
- flag_section_anchors = 0;
-
if (flag_value_profile_transformations)
flag_profile_values = 1;
flag_prefetch_loop_arrays = 0;
}
-#ifndef OBJECT_FORMAT_ELF
-#ifndef OBJECT_FORMAT_MACHO
- if (flag_function_sections && write_symbols != NO_DEBUG)
- warning (0, "-ffunction-sections may affect debugging on some targets");
-#endif
-#endif
-
/* The presence of IEEE signaling NaNs, implies all math can trap. */
if (flag_signaling_nans)
flag_trapping_math = 1;
save_register_info ();
/* Initialize the target-specific back end pieces. */
+ ira_init_once ();
backend_init_target ();
}
+/* Initialize excess precision settings. */
+static void
+init_excess_precision (void)
+{
+ /* Adjust excess precision handling based on the target options. If
+ the front end cannot handle it, flag_excess_precision_cmdline
+ will already have been set accordingly in the post_options
+ hook. */
+ gcc_assert (flag_excess_precision_cmdline != EXCESS_PRECISION_DEFAULT);
+ flag_excess_precision = flag_excess_precision_cmdline;
+ if (flag_unsafe_math_optimizations)
+ flag_excess_precision = EXCESS_PRECISION_FAST;
+ if (flag_excess_precision == EXCESS_PRECISION_STANDARD)
+ {
+ int flt_eval_method = TARGET_FLT_EVAL_METHOD;
+ switch (flt_eval_method)
+ {
+ case -1:
+ case 0:
+ /* Either the target acts unpredictably (-1) or has all the
+ operations required not to have excess precision (0). */
+ flag_excess_precision = EXCESS_PRECISION_FAST;
+ break;
+ case 1:
+ case 2:
+ /* In these cases, predictable excess precision makes
+ sense. */
+ break;
+ default:
+ /* Any other implementation-defined FLT_EVAL_METHOD values
+ require the compiler to handle the associated excess
+ precision rules in excess_precision_type. */
+ gcc_unreachable ();
+ }
+ }
+}
+
/* Initialize things that are both lang-dependent and target-dependent.
This function can be called more than once if target parameters change. */
static void
lang_dependent_init_target (void)
{
+ /* This determines excess precision settings. */
+ init_excess_precision ();
+
/* This creates various _DECL nodes, so needs to be called after the
front end is initialized. It also depends on the HAVE_xxx macros
generated from the target machine description. */
/* Do the target-specific parts of expr initialization. */
init_expr_target ();
- /* Although the actions of init_set_costs are language-independent,
- it uses optabs, so we cannot call it from backend_init. */
+ /* Although the actions of these functions are language-independent,
+ they use optabs, so we cannot call them from backend_init. */
init_set_costs ();
+ ira_init ();
expand_dummy_function_end ();
}
ggc_print_statistics ();
stringpool_statistics ();
dump_tree_statistics ();
+ dump_gimple_statistics ();
dump_rtx_statistics ();
dump_varray_statistics ();
dump_alloc_pool_statistics ();
dump_bitmap_statistics ();
+ dump_vec_loc_statistics ();
dump_ggc_loc_statistics (final);
+ dump_alias_stats (stderr);
+ dump_pta_stats (stderr);
}
/* Clean up: close opened files, etc. */
fatal_error ("error closing %s: %m", asm_file_name);
}
+ statistics_fini ();
finish_optimization_passes ();
+ ira_finish_once ();
+
if (mem_report)
dump_memory_report (true);
compile_file ();
finalize ();
+
+ /* Invoke registered plugin callbacks. */
+ invoke_plugin_callbacks (PLUGIN_FINISH_UNIT, NULL);
}
/* Stop timing and print the times. */
It is not safe to call this function more than once. */
int
-toplev_main (unsigned int argc, const char **argv)
+toplev_main (int argc, char **argv)
{
- save_argv = argv;
+ expandargv (&argc, &argv);
+
+ save_argv = (const char **) argv;
/* Initialization of GCC's environment, and diagnostics. */
general_init (argv[0]);
/* Parse the options and do minimal processing; basically just
enough to default flags appropriately. */
- decode_options (argc, argv);
+ decode_options (argc, (const char **) argv);
init_local_tick ();
+ initialize_plugins ();
+
+ if (version_flag)
+ print_version (stderr, "");
+
+ if (help_flag)
+ print_plugins_help (stderr, "");
+
/* Exit early if we can (e.g. -help). */
if (!exit_after_options)
do_compile ();
if (warningcount || errorcount)
print_ignored_options ();
+ /* Invoke registered plugin callbacks if any. */
+ invoke_plugin_callbacks (PLUGIN_FINISH, NULL);
+
+ finalize_plugins ();
if (errorcount || sorrycount)
return (FATAL_EXIT_CODE);
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