1 # Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
2 # Free Software Foundation, Inc.
3 # Contributed by Kelley Cook, June 2004.
4 # Original code from Neil Booth, May 2003.
6 # This program is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the
8 # Free Software Foundation; either version 3, or (at your option) any
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; see the file COPYING3. If not see
18 # <http://www.gnu.org/licenses/>.
20 # This Awk script reads in the option records generated from
21 # opt-gather.awk, combines the flags of duplicate options and generates a
24 # This program uses functions from opt-functions.awk
26 # Usage: awk -f opt-functions.awk -f optc-gen.awk \
27 # [-v header_name=header.h] < inputfile > options.c
36 # Default the name of header created from opth-gen.awk to options.h
37 if (header_name == "") header_name="options.h"
40 # Collect the text and flags of each option into an array
42 if ($1 == "Language") {
46 else if ($1 == "TargetSave") {
47 # Make sure the declarations are put in source order
48 target_save_decl[n_target_save] = $2
52 name = opt_args("Mask", $1)
57 for (i = 4; i <= NF; i++)
58 help[n_opts] = help[n_opts] " " $i
64 # Dump that array of options into a C file.
66 print "/* This file is auto-generated by optc-gen.awk. */"
68 n_headers = split(header_name, headers, " ")
69 for (i = 1; i <= n_headers; i++)
70 print "#include " quote headers[i] quote
71 print "#include " quote "opts.h" quote
72 print "#include " quote "intl.h" quote
74 print "#ifdef GCC_DRIVER"
75 print "int target_flags;"
77 print "#include " quote "flags.h" quote
78 print "#include " quote "target.h" quote
79 print "#endif /* GCC_DRIVER */"
83 for (i = 0; i < n_opts; i++) {
84 if (flag_set_p("Save", flags[i]))
87 name = var_name(flags[i]);
91 if (flag_set_p("VarExists", flags[i])) {
92 # Need it for the gcc driver.
99 init = opt_args("Init", flags[i])
102 else if (name in var_seen)
108 print "#ifdef GCC_DRIVER"
109 print "/* Set by -" opts[i] "."
110 print " " help[i] " */"
111 print var_type(flags[i]) name init ";"
113 print "#endif /* GCC_DRIVER */"
120 print "/* Local state variables. */"
121 for (i = 0; i < n_opts; i++) {
122 name = static_var(opts[i], flags[i]);
124 print "static " var_type(flags[i]) name ";"
128 print "const char * const lang_names[] =\n{"
129 for (i = 0; i < n_langs; i++) {
130 macros[i] = "CL_" langs[i]
131 gsub( "[^A-Za-z0-9_]", "X", macros[i] )
132 s = substr(" ", length (macros[i]))
133 print " " quote langs[i] quote ","
137 print "const unsigned int cl_options_count = N_OPTS;\n"
138 print "const unsigned int cl_lang_count = " n_langs ";\n"
140 print "const struct cl_option cl_options[] =\n{"
143 for (i = 0; i < n_opts; i++) {
144 back_chain[i] = "N_OPTS";
145 indices[opts[i]] = j;
146 # Combine the flags of identical switches. Switches
147 # appear many times if they are handled by many front
149 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
150 flags[i + 1] = flags[i] " " flags[i + 1];
151 if (help[i + 1] == "")
152 help[i + 1] = help[i]
153 else if (help[i] != "" && help[i + 1] != help[i])
154 print "warning: multiple different help strings for " \
155 opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
158 back_chain[i] = "N_OPTS";
159 indices[opts[i]] = j;
164 for (i = 0; i < n_opts; i++) {
165 # With identical flags, pick only the last one. The
166 # earlier loop ensured that it has all flags merged,
167 # and a nonempty help text if one of the texts was nonempty.
168 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
172 len = length (opts[i]);
173 enum = "OPT_" opts[i]
174 if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=" \
175 || opts[i] == "ftemplate-depth=")
177 gsub ("[^A-Za-z0-9]", "_", enum)
179 # If this switch takes joined arguments, back-chain all
180 # subsequent switches to it for which it is a prefix. If
181 # a later switch S is a longer prefix of a switch T, T
182 # will be back-chained to S in a later iteration of this
183 # for() loop, which is what we want.
184 if (flag_set_p("Joined.*", flags[i])) {
185 for (j = i + 1; j < n_opts; j++) {
186 if (substr (opts[j], 1, len) != opts[i])
188 back_chain[j] = enum;
192 s = substr(" ", length (opts[i]))
199 hlp = quote help[i] quote;
201 neg = opt_args("Negative", flags[i]);
205 if (flag_set_p("RejectNegative", flags[i]))
208 if (opts[i] ~ "^[Wfm]")
209 idx = indices[opts[i]];
214 # Split the printf after %u to work around an ia64-hp-hpux11.23
216 printf(" { %c-%s%c,\n %s,\n %s, %u,",
217 quote, opts[i], quote, hlp, back_chain[i], len)
218 printf(" %d,\n", idx)
219 condition = opt_args("Condition", flags[i])
220 cl_flags = switch_flags(flags[i])
227 condition, cl_flags, cl_flags)
229 printf(" %s,\n", cl_flags)
230 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
231 var_set(flags[i]), comma)
237 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
239 print "/* Save optimization variables into a structure. */"
241 print "cl_optimization_save (struct cl_optimization *ptr)";
248 var_opt_char[0] = "optimize";
249 var_opt_char[1] = "optimize_size";
250 var_opt_range["optimize"] = "0, 255";
251 var_opt_range["optimize_size"] = "0, 255";
253 # Sort by size to mimic how the structure is laid out to be friendlier to the
256 for (i = 0; i < n_opts; i++) {
257 if (flag_set_p("Optimization", flags[i])) {
258 name = var_name(flags[i])
262 if(name in var_opt_seen)
265 var_opt_seen[name]++;
266 otype = var_type_struct(flags[i]);
267 if (otype ~ "^((un)?signed +)?int *$")
268 var_opt_int[n_opt_int++] = name;
270 else if (otype ~ "^((un)?signed +)?short *$")
271 var_opt_short[n_opt_short++] = name;
273 else if (otype ~ "^((un)?signed +)?char *$") {
274 var_opt_char[n_opt_char++] = name;
275 if (otype ~ "^unsigned +char *$")
276 var_opt_range[name] = "0, 255"
277 else if (otype ~ "^signed +char *$")
278 var_opt_range[name] = "-128, 127"
281 var_opt_other[n_opt_other++] = name;
285 for (i = 0; i < n_opt_char; i++) {
286 name = var_opt_char[i];
287 if (var_opt_range[name] != "")
288 print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));";
292 for (i = 0; i < n_opt_other; i++) {
293 print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";";
296 for (i = 0; i < n_opt_int; i++) {
297 print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";";
300 for (i = 0; i < n_opt_short; i++) {
301 print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";";
304 for (i = 0; i < n_opt_char; i++) {
305 print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";";
311 print "/* Restore optimization options from a structure. */";
313 print "cl_optimization_restore (struct cl_optimization *ptr)";
316 for (i = 0; i < n_opt_other; i++) {
317 print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";";
320 for (i = 0; i < n_opt_int; i++) {
321 print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";";
324 for (i = 0; i < n_opt_short; i++) {
325 print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";";
328 for (i = 0; i < n_opt_char; i++) {
329 print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";";
332 print " targetm.override_options_after_change ();";
336 print "/* Print optimization options from a structure. */";
338 print "cl_optimization_print (FILE *file,";
339 print " int indent_to,";
340 print " struct cl_optimization *ptr)";
343 print " fputs (\"\\n\", file);";
344 for (i = 0; i < n_opt_other; i++) {
345 print " if (ptr->" var_opt_other[i] ")";
346 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
347 print " indent_to, \"\",";
348 print " \"" var_opt_other[i] "\",";
349 print " (unsigned long)ptr->" var_opt_other[i] ");";
353 for (i = 0; i < n_opt_int; i++) {
354 print " if (ptr->" var_opt_int[i] ")";
355 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
356 print " indent_to, \"\",";
357 print " \"" var_opt_int[i] "\",";
358 print " ptr->" var_opt_int[i] ");";
362 for (i = 0; i < n_opt_short; i++) {
363 print " if (ptr->" var_opt_short[i] ")";
364 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
365 print " indent_to, \"\",";
366 print " \"" var_opt_short[i] "\",";
367 print " ptr->" var_opt_short[i] ");";
371 for (i = 0; i < n_opt_char; i++) {
372 print " if (ptr->" var_opt_char[i] ")";
373 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
374 print " indent_to, \"\",";
375 print " \"" var_opt_char[i] "\",";
376 print " ptr->" var_opt_char[i] ");";
383 print "/* Save selected option variables into a structure. */"
385 print "cl_target_option_save (struct cl_target_option *ptr)";
394 for (i = 0; i < n_opts; i++) {
395 if (flag_set_p("Save", flags[i])) {
396 name = var_name(flags[i])
398 name = "target_flags";
400 if(name in var_save_seen)
403 var_save_seen[name]++;
404 otype = var_type_struct(flags[i])
405 if (otype ~ "^((un)?signed +)?int *$")
406 var_target_int[n_target_int++] = name;
408 else if (otype ~ "^((un)?signed +)?short *$")
409 var_target_short[n_target_short++] = name;
411 else if (otype ~ "^((un)?signed +)?char *$") {
412 var_target_char[n_target_char++] = name;
413 if (otype ~ "^unsigned +char *$")
414 var_target_range[name] = "0, 255"
415 else if (otype ~ "^signed +char *$")
416 var_target_range[name] = "-128, 127"
419 var_target_other[n_target_other++] = name;
423 var_target_int[n_target_int++] = "target_flags";
427 for (i = 0; i < n_target_char; i++) {
428 name = var_target_char[i];
429 if (var_target_range[name] != "") {
431 print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));";
438 print " if (targetm.target_option.save)";
439 print " targetm.target_option.save (ptr);";
442 for (i = 0; i < n_target_other; i++) {
443 print " ptr->" var_target_other[i] " = " var_target_other[i] ";";
446 for (i = 0; i < n_target_int; i++) {
447 print " ptr->" var_target_int[i] " = " var_target_int[i] ";";
450 for (i = 0; i < n_target_short; i++) {
451 print " ptr->" var_target_short[i] " = " var_target_short[i] ";";
454 for (i = 0; i < n_target_char; i++) {
455 print " ptr->" var_target_char[i] " = " var_target_char[i] ";";
461 print "/* Restore selected current options from a structure. */";
463 print "cl_target_option_restore (struct cl_target_option *ptr)";
466 for (i = 0; i < n_target_other; i++) {
467 print " " var_target_other[i] " = ptr->" var_target_other[i] ";";
470 for (i = 0; i < n_target_int; i++) {
471 print " " var_target_int[i] " = ptr->" var_target_int[i] ";";
474 for (i = 0; i < n_target_short; i++) {
475 print " " var_target_short[i] " = ptr->" var_target_short[i] ";";
478 for (i = 0; i < n_target_char; i++) {
479 print " " var_target_char[i] " = ptr->" var_target_char[i] ";";
482 # This must occur after the normal variables in case the code depends on those
485 print " if (targetm.target_option.restore)";
486 print " targetm.target_option.restore (ptr);";
491 print "/* Print optimization options from a structure. */";
493 print "cl_target_option_print (FILE *file,";
494 print " int indent,";
495 print " struct cl_target_option *ptr)";
498 print " fputs (\"\\n\", file);";
499 for (i = 0; i < n_target_other; i++) {
500 print " if (ptr->" var_target_other[i] ")";
501 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
502 print " indent, \"\",";
503 print " \"" var_target_other[i] "\",";
504 print " (unsigned long)ptr->" var_target_other[i] ");";
508 for (i = 0; i < n_target_int; i++) {
509 print " if (ptr->" var_target_int[i] ")";
510 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
511 print " indent, \"\",";
512 print " \"" var_target_int[i] "\",";
513 print " ptr->" var_target_int[i] ");";
517 for (i = 0; i < n_target_short; i++) {
518 print " if (ptr->" var_target_short[i] ")";
519 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
520 print " indent, \"\",";
521 print " \"" var_target_short[i] "\",";
522 print " ptr->" var_target_short[i] ");";
526 for (i = 0; i < n_target_char; i++) {
527 print " if (ptr->" var_target_char[i] ")";
528 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
529 print " indent, \"\",";
530 print " \"" var_target_char[i] "\",";
531 print " ptr->" var_target_char[i] ");";
536 print " if (targetm.target_option.print)";
537 print " targetm.target_option.print (file, indent, ptr);";