aix: Fix _STDC_FORMAT_MACROS in inttypes.h [PR97044]
[official-gcc.git] / gcc / opth-gen.awk
blob8fec607041eec0d606f3d53e12650056065e5d15
1 # Copyright (C) 2003-2020 Free Software Foundation, Inc.
2 # Contributed by Kelley Cook, June 2004.
3 # Original code from Neil Booth, May 2003.
5 # This program is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by the
7 # Free Software Foundation; either version 3, or (at your option) any
8 # later version.
9 #
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 # This Awk script reads in the option records generated from
20 # opt-gather.awk, combines the flags of duplicate options and generates a
21 # C header file.
23 # This program uses functions from opt-functions.awk and code from
24 # opt-read.awk.
25 # Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
26 # < inputfile > options.h
28 # Dump out an enumeration into a .h file.
29 # Combine the flags of duplicate options.
30 END {
31 print "/* This file is auto-generated by opth-gen.awk. */"
32 print ""
33 print "#ifndef OPTIONS_H"
34 print "#define OPTIONS_H"
35 print ""
36 print "#include \"flag-types.h\""
37 print ""
39 if (n_extra_h_includes > 0) {
40 for (i = 0; i < n_extra_h_includes; i++) {
41 print "#include " quote extra_h_includes[i] quote
43 print ""
46 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
47 print "#ifndef GENERATOR_FILE"
48 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
49 print "struct GTY(()) gcc_options"
50 print "#else"
51 print "struct gcc_options"
52 print "#endif"
53 print "{"
54 print "#endif"
56 for (i = 0; i < n_extra_vars; i++) {
57 var = extra_vars[i]
58 sub(" *=.*", "", var)
59 orig_var = var
60 name = var
61 type = var
62 type_after = var
63 sub("^.*[ *]", "", name)
64 sub("\\[.*\\]$", "", name)
65 sub("\\[.*\\]$", "", type)
66 sub(" *" name "$", "", type)
67 sub("^.*" name, "", type_after)
68 var_seen[name] = 1
69 print "#ifdef GENERATOR_FILE"
70 print "extern " orig_var ";"
71 print "#else"
72 print " " type " x_" name type_after ";"
73 print "#define " name " global_options.x_" name
74 print "#endif"
77 for (i = 0; i < n_opts; i++) {
78 if (flag_set_p("Save", flags[i]))
79 have_save = 1;
81 name = var_name(flags[i]);
82 if (name == "")
83 continue;
85 if (name in var_seen)
86 continue;
88 var_seen[name] = 1;
89 print "#ifdef GENERATOR_FILE"
90 print "extern " var_type(flags[i]) name ";"
91 print "#else"
92 print " " var_type(flags[i]) "x_" name ";"
93 print "#define " name " global_options.x_" name
94 print "#endif"
96 for (i = 0; i < n_opts; i++) {
97 name = static_var(opts[i], flags[i]);
98 if (name != "") {
99 print "#ifndef GENERATOR_FILE"
100 print " " var_type(flags[i]) "x_" name ";"
101 print "#define x_" name " do_not_use"
102 print "#endif"
105 for (i = 0; i < n_opts; i++) {
106 if (flag_set_p("SetByCombined", flags[i])) {
107 print "#ifndef GENERATOR_FILE"
108 print " bool frontend_set_" var_name(flags[i]) ";"
109 print "#endif"
112 print "#ifndef GENERATOR_FILE"
113 print "};"
114 print "extern struct gcc_options global_options;"
115 print "extern const struct gcc_options global_options_init;"
116 print "extern struct gcc_options global_options_set;"
117 print "#define target_flags_explicit global_options_set.x_target_flags"
118 print "#endif"
119 print "#endif"
120 print ""
122 # All of the optimization switches gathered together so they can be saved and restored.
123 # This will allow attribute((cold)) to turn on space optimization.
125 # Change the type of normal switches from int to unsigned char to save space.
126 # Also, order the structure so that pointer fields occur first, then int
127 # fields, and then char fields to provide the best packing.
129 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
130 print ""
131 print "/* Structure to save/restore optimization and target specific options. */";
132 print "struct GTY(()) cl_optimization";
133 print "{";
135 n_opt_char = 4;
136 n_opt_short = 0;
137 n_opt_int = 0;
138 n_opt_enum = 0;
139 n_opt_other = 0;
140 n_opt_explicit = 4;
141 var_opt_char[0] = "unsigned char x_optimize";
142 var_opt_char[1] = "unsigned char x_optimize_size";
143 var_opt_char[2] = "unsigned char x_optimize_debug";
144 var_opt_char[3] = "unsigned char x_optimize_fast";
146 for (i = 0; i < n_opts; i++) {
147 if (flag_set_p("(Optimization|PerFunction)", flags[i])) {
148 name = var_name(flags[i])
149 if(name == "")
150 continue;
152 if(name in var_opt_seen)
153 continue;
155 var_opt_seen[name]++;
156 n_opt_explicit++;
157 otype = var_type_struct(flags[i]);
158 if (otype ~ "^((un)?signed +)?int *$")
159 var_opt_int[n_opt_int++] = otype "x_" name;
161 else if (otype ~ "^((un)?signed +)?short *$")
162 var_opt_short[n_opt_short++] = otype "x_" name;
164 else if (otype ~ "^((un)?signed +)?char *$")
165 var_opt_char[n_opt_char++] = otype "x_" name;
167 else if (otype ~ ("^enum +[_" alnum "]+ *$"))
168 var_opt_enum[n_opt_enum++] = otype "x_" name;
170 else
171 var_opt_other[n_opt_other++] = otype "x_" name;
175 for (i = 0; i < n_opt_other; i++) {
176 print " " var_opt_other[i] ";";
179 for (i = 0; i < n_opt_int; i++) {
180 print " " var_opt_int[i] ";";
183 for (i = 0; i < n_opt_enum; i++) {
184 print " " var_opt_enum[i] ";";
187 for (i = 0; i < n_opt_short; i++) {
188 print " " var_opt_short[i] ";";
191 for (i = 0; i < n_opt_char; i++) {
192 print " " var_opt_char[i] ";";
195 print " /* " n_opt_explicit " members */";
196 print " unsigned HOST_WIDE_INT explicit_mask[" int ((n_opt_explicit + 63) / 64) "];";
198 print "};";
199 print "";
201 # Target and optimization save/restore/print functions.
202 print "/* Structure to save/restore selected target specific options. */";
203 print "struct GTY(()) cl_target_option";
204 print "{";
206 n_target_char = 0;
207 n_target_short = 0;
208 n_target_int = 0;
209 n_target_enum = 0;
210 n_target_other = 0;
211 n_target_explicit = n_extra_target_vars;
213 for (i = 0; i < n_target_save; i++) {
214 if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
215 var_target_int[n_target_int++] = target_save_decl[i];
217 else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
218 var_target_short[n_target_short++] = target_save_decl[i];
220 else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
221 var_target_char[n_target_char++] = target_save_decl[i];
223 else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
224 var_target_enum[n_target_enum++] = target_save_decl[i];
226 else
227 var_target_other[n_target_other++] = target_save_decl[i];
230 if (have_save) {
231 for (i = 0; i < n_opts; i++) {
232 if (flag_set_p("Save", flags[i])) {
233 name = var_name(flags[i])
234 if(name == "")
235 name = "target_flags";
237 if(name in var_save_seen)
238 continue;
240 var_save_seen[name]++;
241 n_target_explicit++;
242 otype = var_type_struct(flags[i])
243 if (otype ~ "^((un)?signed +)?int *$")
244 var_target_int[n_target_int++] = otype "x_" name;
246 else if (otype ~ "^((un)?signed +)?short *$")
247 var_target_short[n_target_short++] = otype "x_" name;
249 else if (otype ~ "^((un)?signed +)?char *$")
250 var_target_char[n_target_char++] = otype "x_" name;
252 else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
253 var_target_enum[n_target_enum++] = otype "x_" name;
255 else
256 var_target_other[n_target_other++] = otype "x_" name;
259 } else {
260 var_target_int[n_target_int++] = "int x_target_flags";
261 n_target_explicit++;
264 for (i = 0; i < n_target_other; i++) {
265 print " " var_target_other[i] ";";
268 for (i = 0; i < n_target_enum; i++) {
269 print " " var_target_enum[i] ";";
272 for (i = 0; i < n_target_int; i++) {
273 print " " var_target_int[i] ";";
276 for (i = 0; i < n_target_short; i++) {
277 print " " var_target_short[i] ";";
280 for (i = 0; i < n_target_char; i++) {
281 print " " var_target_char[i] ";";
284 print " /* " n_target_explicit " members */";
285 print " unsigned HOST_WIDE_INT explicit_mask[" int ((n_target_explicit + 63) / 64) "];";
287 print "};";
288 print "";
289 print "";
290 print "/* Save optimization variables into a structure. */"
291 print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *, struct gcc_options *);";
292 print "";
293 print "/* Restore optimization variables from a structure. */";
294 print "extern void cl_optimization_restore (struct gcc_options *, struct gcc_options *, struct cl_optimization *);";
295 print "";
296 print "/* Print optimization variables from a structure. */";
297 print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
298 print "";
299 print "/* Print different optimization variables from structures provided as arguments. */";
300 print "extern void cl_optimization_print_diff (FILE *, int, cl_optimization *ptr1, cl_optimization *ptr2);";
301 print "";
302 print "/* Save selected option variables into a structure. */"
303 print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *, struct gcc_options *);";
304 print "";
305 print "/* Restore selected option variables from a structure. */"
306 print "extern void cl_target_option_restore (struct gcc_options *, struct gcc_options *, struct cl_target_option *);";
307 print "";
308 print "/* Print target option variables from a structure. */";
309 print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
310 print "";
311 print "/* Print different target option variables from structures provided as arguments. */";
312 print "extern void cl_target_option_print_diff (FILE *, int, cl_target_option *ptr1, cl_target_option *ptr2);";
313 print "";
314 print "/* Compare two target option variables from a structure. */";
315 print "extern bool cl_target_option_eq (const struct cl_target_option *, const struct cl_target_option *);";
316 print "";
317 print "/* Free heap memory used by target option variables. */";
318 print "extern void cl_target_option_free (struct cl_target_option *);";
319 print "";
320 print "/* Hash option variables from a structure. */";
321 print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
322 print "";
323 print "/* Hash optimization from a structure. */";
324 print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
325 print "";
326 print "/* Compare two optimization options. */";
327 print "extern bool cl_optimization_option_eq (cl_optimization const *ptr1, cl_optimization const *ptr2);"
328 print "";
329 print "/* Free heap memory used by optimization options. */";
330 print "extern void cl_optimization_option_free (cl_optimization *ptr1);"
331 print "";
332 print "/* Compare and report difference for a part of cl_optimization options. */";
333 print "extern void cl_optimization_compare (gcc_options *ptr1, gcc_options *ptr2);";
334 print "";
335 print "/* Generator files may not have access to location_t, and don't need these. */"
336 print "#if defined(UNKNOWN_LOCATION)"
337 print "bool "
338 print "common_handle_option_auto (struct gcc_options *opts, "
339 print " struct gcc_options *opts_set, "
340 print " const struct cl_decoded_option *decoded, "
341 print " unsigned int lang_mask, int kind, "
342 print " location_t loc, "
343 print " const struct cl_option_handlers *handlers, "
344 print " diagnostic_context *dc); "
345 for (i = 0; i < n_langs; i++) {
346 lang_name = lang_sanitized_name(langs[i]);
347 print "bool"
348 print lang_name "_handle_option_auto (struct gcc_options *opts,"
349 print " struct gcc_options *opts_set,"
350 print " size_t scode, const char *arg,"
351 print " HOST_WIDE_INT value,"
352 print " unsigned int lang_mask, int kind,"
353 print " location_t loc,"
354 print " const struct cl_option_handlers *handlers,"
355 print " diagnostic_context *dc);"
357 print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
358 print " struct cpp_options * cpp_opts);"
359 print "void init_global_opts_from_cpp(struct gcc_options * opts, "
360 print " const struct cpp_options * cpp_opts);"
361 print "#endif";
362 print "#endif";
363 print "";
365 for (i = 0; i < n_opts; i++) {
366 name = opt_args("Mask", flags[i])
367 if (name == "") {
368 opt = opt_args("InverseMask", flags[i])
369 if (opt ~ ",")
370 name = nth_arg(0, opt)
371 else
372 name = opt
374 if (name != "" && mask_bits[name] == 0) {
375 mask_bits[name] = 1
376 vname = var_name(flags[i])
377 mask = "MASK_"
378 mask_1 = "1U"
379 if (vname != "") {
380 mask = "OPTION_MASK_"
381 if (host_wide_int[vname] == "yes")
382 mask_1 = "HOST_WIDE_INT_1U"
383 } else
384 extra_mask_bits[name] = 1
385 print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
388 for (i = 0; i < n_extra_masks; i++) {
389 if (extra_mask_bits[extra_masks[i]] == 0)
390 print "#define MASK_" extra_masks[i] " (1U << " masknum[""]++ ")"
393 for (var in masknum) {
394 if (var != "" && host_wide_int[var] == "yes") {
395 print "#if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " > HOST_BITS_PER_WIDE_INT"
396 print "#error too many masks for " var
397 print "#endif"
399 else if (masknum[var] > 32) {
400 if (var == "")
401 print "#error too many target masks"
402 else
403 print "#error too many masks for " var
406 print ""
408 for (i = 0; i < n_opts; i++) {
409 name = opt_args("Mask", flags[i])
410 if (name == "") {
411 opt = opt_args("InverseMask", flags[i])
412 if (opt ~ ",")
413 name = nth_arg(0, opt)
414 else
415 name = opt
417 if (name != "" && mask_macros[name] == 0) {
418 mask_macros[name] = 1
419 vname = var_name(flags[i])
420 mask = "OPTION_MASK_"
421 if (vname == "") {
422 vname = "target_flags"
423 mask = "MASK_"
424 extra_mask_macros[name] = 1
426 print "#define TARGET_" name \
427 " ((" vname " & " mask name ") != 0)"
428 print "#define TARGET_" name "_P(" vname ")" \
429 " (((" vname ") & " mask name ") != 0)"
432 for (i = 0; i < n_extra_masks; i++) {
433 if (extra_mask_macros[extra_masks[i]] == 0)
434 print "#define TARGET_" extra_masks[i] \
435 " ((target_flags & MASK_" extra_masks[i] ") != 0)"
437 print ""
439 for (i = 0; i < n_opts; i++) {
440 opt = opt_args("InverseMask", flags[i])
441 if (opt ~ ",") {
442 vname = var_name(flags[i])
443 mask = "OPTION_MASK_"
444 if (vname == "") {
445 vname = "target_flags"
446 mask = "MASK_"
448 print "#define TARGET_" nth_arg(1, opt) \
449 " ((" vname " & " mask nth_arg(0, opt) ") == 0)"
452 print ""
454 for (i = 0; i < n_langs; i++) {
455 macros[i] = "CL_" lang_sanitized_name(langs[i])
456 s = substr(" ", length (macros[i]))
457 print "#define " macros[i] s " (1U << " i ")"
459 print "#define CL_LANG_ALL ((1U << " n_langs ") - 1)"
461 print ""
462 print "enum opt_code"
463 print "{"
465 for (i = 0; i < n_opts; i++)
466 back_chain[i] = "N_OPTS";
468 enum_value = 0
469 for (i = 0; i < n_opts; i++) {
470 # Combine the flags of identical switches. Switches
471 # appear many times if they are handled by many front
472 # ends, for example.
473 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
474 flags[i + 1] = flags[i] " " flags[i + 1];
475 i++;
478 len = length (opts[i]);
479 enum = opt_enum(opts[i])
480 enum_string = enum " = " enum_value ","
482 # Aliases do not get enumeration names.
483 if ((flag_set_p("Alias.*", flags[i]) \
484 && !flag_set_p("SeparateAlias", flags[i])) \
485 || flag_set_p("Ignore", flags[i])) {
486 enum_string = "/* " enum_string " */"
489 # If this switch takes joined arguments, back-chain all
490 # subsequent switches to it for which it is a prefix. If
491 # a later switch S is a longer prefix of a switch T, T
492 # will be back-chained to S in a later iteration of this
493 # for() loop, which is what we want.
494 if (flag_set_p("Joined.*", flags[i])) {
495 for (j = i + 1; j < n_opts; j++) {
496 if (substr (opts[j], 1, len) != opts[i])
497 break;
498 back_chain[j] = enum;
502 s = substr(" ",
503 length (enum_string))
505 if (help[i] == "")
506 hlp = "0"
507 else
508 hlp = "N_(\"" help[i] "\")";
510 print " " enum_string s "/* -" opts[i] " */"
511 enum_value++
514 print " N_OPTS,"
515 print " OPT_SPECIAL_unknown,"
516 print " OPT_SPECIAL_ignore,"
517 print " OPT_SPECIAL_warn_removed,"
518 print " OPT_SPECIAL_program_name,"
519 print " OPT_SPECIAL_input_file"
520 print "};"
521 print ""
522 print "#ifdef GCC_C_COMMON_C"
523 print "/* Mapping from cpp message reasons to the options that enable them. */"
524 print "#include <cpplib.h>"
525 print "struct cpp_reason_option_codes_t"
526 print "{"
527 print " /* cpplib message reason. */"
528 print " const enum cpp_warning_reason reason;"
529 print " /* gcc option that controls this message. */"
530 print " const int option_code;"
531 print "};"
532 print ""
533 print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
534 for (i = 0; i < n_opts; i++) {
535 # With identical flags, pick only the last one. The
536 # earlier loop ensured that it has all flags merged,
537 # and a nonempty help text if one of the texts was nonempty.
538 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
539 i++;
541 cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
542 if (cpp_reason != "") {
543 cpp_reason = cpp_reason ",";
544 printf(" {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
547 printf(" {%-40s 0},\n", "CPP_W_NONE,")
548 print "};"
549 print "#endif"
550 print ""
551 print "#endif /* OPTIONS_H */"