int flag_unwind_tables = 0;
+/* Nonzero means generate frame unwind info table exact at each insn boundary */
+
+int flag_asynchronous_unwind_tables = 0;
+
/* Nonzero means don't place uninitialized global data in common storage
by default. */
int align_functions_log;
/* Table of supported debugging formats. */
-static struct
+static const struct
{
- const char *arg;
+ const char *const arg;
/* Since PREFERRED_DEBUGGING_TYPE isn't necessarily a
constant expression, we use NO_DEBUG in its place. */
- enum debug_info_type debug_type;
- int use_extensions_p;
- const char *description;
+ const enum debug_info_type debug_type;
+ const int use_extensions_p;
+ const char *const description;
} *da,
debug_args[] =
{
N_("Enable exception handling") },
{"unwind-tables", &flag_unwind_tables, 1,
N_("Just generate unwind tables for exception handling") },
+ {"asynchronous-unwind-tables", &flag_asynchronous_unwind_tables, 1,
+ N_("Generate unwind tables exact at each instruction boundary") },
{"non-call-exceptions", &flag_non_call_exceptions, 1,
N_("Support synchronous non-call exceptions") },
{"profile-arcs", &profile_arc_flag, 1,
/* Table of language-specific options. */
-static struct lang_opt
+static const struct lang_opt
{
- const char *option;
- const char *description;
+ const char *const option;
+ const char *const description;
}
documented_lang_options[] =
{
If VALUE is negative, -VALUE is bits to clear.
(The sign bit is not used so there is no confusion.) */
-struct
+static const struct
{
- const char *name;
- int value;
- const char *description;
+ const char *const name;
+ const int value;
+ const char *const description;
}
target_switches [] = TARGET_SWITCHES;
/* This table is similar, but allows the switch to have a value. */
#ifdef TARGET_OPTIONS
-struct
+static const struct
{
- const char *prefix;
- const char **variable;
- const char *description;
+ const char *const prefix;
+ const char **const variable;
+ const char *const description;
}
target_options [] = TARGET_OPTIONS;
#endif
int warn_uninitialized;
-/* Nonzero means warn about all declarations which shadow others. */
+/* Nonzero means warn about all declarations which shadow others. */
int warn_shadow;
int
exact_log2_wide (x)
- register unsigned HOST_WIDE_INT x;
+ unsigned HOST_WIDE_INT x;
{
- register int log = 0;
+ int log = 0;
/* Test for 0 or a power of 2. */
if (x == 0 || x != (x & -x))
return -1;
int
floor_log2_wide (x)
- register unsigned HOST_WIDE_INT x;
+ unsigned HOST_WIDE_INT x;
{
- register int log = -1;
+ int log = -1;
while (x != 0)
log++,
x >>= 1;
lineno = input_file_stack->line;
}
-/* Compile an entire file of output from cpp, named NAME.
- Write a file of assembly output and various debugging dumps. */
+/* Compile an entire translation unit, whose primary source file is
+ named NAME. Write a file of assembly output and various debugging
+ dumps. */
static void
compile_file (name)
init_timevar ();
timevar_start (TV_TOTAL);
- /* Open assembler code output file. Do this even if -fsyntax-only is on,
+ /* Open assembly code output file. Do this even if -fsyntax-only is on,
because then the driver will have provided the name of a temporary
file or bit bucket for us. */
/* Call the parser, which parses the entire file
(calling rest_of_compilation for each function). */
+ yyparse ();
- if (yyparse () != 0)
- {
- if (errorcount == 0)
- fnotice (stderr, "Errors detected in input file (your bison.simple is out of date)\n");
-
- /* In case there were missing closebraces,
- get us back to the global binding level. */
- while (! global_bindings_p ())
- poplevel (0, 0, 0);
- }
+ /* In case there were missing block closers,
+ get us back to the global binding level. */
+ while (! global_bindings_p ())
+ poplevel (0, 0, 0);
/* Compilation is now finished except for writing
what's left of the symbol table output. */
rest_of_compilation (decl)
tree decl;
{
- register rtx insns;
+ rtx insns;
int tem;
int failure = 0;
int rebuild_label_notes_after_reload;
DECL_DEFER_OUTPUT (decl) = 1;
if (DECL_INLINE (decl))
- /* DWARF wants seperate debugging info for abstract and
+ /* DWARF wants separate debugging info for abstract and
concrete instances of all inline functions, including those
declared inline but not inlined, and those inlined even
though they weren't declared inline. Conveniently, that's
convert_from_ssa ();
/* New registers have been created. Rescan their usage. */
reg_scan (insns, max_reg_num (), 1);
- /* Life analysis used in SSA adds log_links but these
- shouldn't be there until the flow stage, so clear
- them away. */
- clear_log_links (insns);
close_dump_file (DFI_ussa, print_rtl_with_bb, insns);
timevar_pop (TV_FROM_SSA);
register_life_up_to_date = 0;
#ifdef OPTIMIZE_MODE_SWITCHING
- timevar_push (TV_GCSE);
+ timevar_push (TV_MODE_SWITCH);
no_new_pseudos = 0;
if (optimize_mode_switching (NULL))
}
no_new_pseudos = 1;
- timevar_pop (TV_GCSE);
+ timevar_pop (TV_MODE_SWITCH);
#endif
timevar_push (TV_SCHED);
if (! register_life_up_to_date)
recompute_reg_usage (insns, ! optimize_size);
+
+ /* Allocate the reg_renumber array. */
+ allocate_reg_info (max_regno, FALSE, TRUE);
+
+ /* And the reg_equiv_memory_loc array. */
+ reg_equiv_memory_loc = (rtx *) xcalloc (max_regno, sizeof (rtx));
+
+ allocate_initial_values (reg_equiv_memory_loc);
+
regclass (insns, max_reg_num (), rtl_dump_file);
rebuild_label_notes_after_reload = local_alloc ();
int argc;
char **argv;
{
- register int i;
+ int i;
char *p;
/* save in case md file wants to emit args as a comment. */
xmalloc_set_program_name (progname);
-/* LC_CTYPE determines the character set used by the terminal so it has be set
- to output messages correctly. */
-
-#ifdef HAVE_LC_MESSAGES
- setlocale (LC_CTYPE, "");
- setlocale (LC_MESSAGES, "");
-#else
- setlocale (LC_ALL, "");
-#endif
-
- (void) bindtextdomain (PACKAGE, localedir);
- (void) textdomain (PACKAGE);
+ gcc_init_libintl ();
/* Install handler for SIGFPE, which may be received while we do
compile-time floating point arithmetic. */
flag_rerun_cse_after_loop = 1;
}
+ if (flag_non_call_exceptions)
+ flag_asynchronous_unwind_tables = 1;
+ if (flag_asynchronous_unwind_tables)
+ flag_unwind_tables = 1;
+
/* Warn about options that are not supported on this machine. */
#ifndef INSN_SCHEDULING
if (flag_schedule_insns || flag_schedule_insns_after_reload)
set_target_switch (name)
const char *name;
{
- register size_t j;
+ size_t j;
int valid_target_option = 0;
for (j = 0; j < ARRAY_SIZE (target_switches); j++)
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