1 # Copyright (C) 2003, 2004, 2007, 2008 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
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
23 # This program uses functions from opt-functions.awk
25 # Usage: awk -f opt-functions.awk -f optc-gen.awk \
26 # [-v header_name=header.h] < inputfile > options.c
35 # Default the name of header created from opth-gen.awk to options.h
36 if (header_name == "") header_name="options.h"
39 # Collect the text and flags of each option into an array
41 if ($1 == "Language") {
45 else if ($1 == "TargetSave") {
46 # Make sure the declarations are put in source order
47 target_save_decl[n_target_save] = $2
51 name = opt_args("Mask", $1)
56 for (i = 4; i <= NF; i++)
57 help[n_opts] = help[n_opts] " " $i
63 # Dump that array of options into a C file.
65 print "/* This file is auto-generated by optc-gen.awk. */"
67 n_headers = split(header_name, headers, " ")
68 for (i = 1; i <= n_headers; i++)
69 print "#include " quote headers[i] quote
70 print "#include " quote "opts.h" quote
71 print "#include " quote "intl.h" quote
73 print "#ifdef GCC_DRIVER"
74 print "int target_flags;"
76 print "#include " quote "flags.h" quote
77 print "#include " quote "target.h" quote
78 print "#endif /* GCC_DRIVER */"
82 for (i = 0; i < n_opts; i++) {
83 if (flag_set_p("Save", flags[i]))
86 name = var_name(flags[i]);
90 if (flag_set_p("VarExists", flags[i])) {
91 # Need it for the gcc driver.
98 init = opt_args("Init", flags[i])
101 else if (name in var_seen)
107 print "#ifdef GCC_DRIVER"
108 print "/* Set by -" opts[i] "."
109 print " " help[i] " */"
110 print var_type(flags[i]) name init ";"
112 print "#endif /* GCC_DRIVER */"
119 print "/* Local state variables. */"
120 for (i = 0; i < n_opts; i++) {
121 name = static_var(opts[i], flags[i]);
123 print "static " var_type(flags[i]) name ";"
127 print "const char * const lang_names[] =\n{"
128 for (i = 0; i < n_langs; i++) {
129 macros[i] = "CL_" langs[i]
130 gsub( "[^A-Za-z0-9_]", "X", macros[i] )
131 s = substr(" ", length (macros[i]))
132 print " " quote langs[i] quote ","
136 print "const unsigned int cl_options_count = N_OPTS;\n"
137 print "const unsigned int cl_lang_count = " n_langs ";\n"
139 print "const struct cl_option cl_options[] =\n{"
142 for (i = 0; i < n_opts; i++) {
143 back_chain[i] = "N_OPTS";
144 indices[opts[i]] = j;
145 # Combine the flags of identical switches. Switches
146 # appear many times if they are handled by many front
148 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
149 flags[i + 1] = flags[i] " " flags[i + 1];
151 back_chain[i] = "N_OPTS";
152 indices[opts[i]] = j;
157 for (i = 0; i < n_opts; i++) {
158 # Combine the flags of identical switches. Switches
159 # appear many times if they are handled by many front
161 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
162 flags[i + 1] = flags[i] " " flags[i + 1];
166 len = length (opts[i]);
167 enum = "OPT_" opts[i]
168 if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=")
170 gsub ("[^A-Za-z0-9]", "_", enum)
172 # If this switch takes joined arguments, back-chain all
173 # subsequent switches to it for which it is a prefix. If
174 # a later switch S is a longer prefix of a switch T, T
175 # will be back-chained to S in a later iteration of this
176 # for() loop, which is what we want.
177 if (flag_set_p("Joined.*", flags[i])) {
178 for (j = i + 1; j < n_opts; j++) {
179 if (substr (opts[j], 1, len) != opts[i])
181 back_chain[j] = enum;
185 s = substr(" ", length (opts[i]))
192 hlp = quote help[i] quote;
194 neg = opt_args("Negative", flags[i]);
198 if (flag_set_p("RejectNegative", flags[i]))
201 if (opts[i] ~ "^[Wfm]")
202 idx = indices[opts[i]];
207 # Split the printf after %u to work around an ia64-hp-hpux11.23
209 printf(" { %c-%s%c,\n %s,\n %s, %u,",
210 quote, opts[i], quote, hlp, back_chain[i], len)
211 printf(" %d,\n", idx)
212 condition = opt_args("Condition", flags[i])
213 cl_flags = switch_flags(flags[i])
220 condition, cl_flags, cl_flags)
222 printf(" %s,\n", cl_flags)
223 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
224 var_set(flags[i]), comma)
230 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
232 print "/* Save optimization variables into a structure. */"
234 print "cl_optimization_save (struct cl_optimization *ptr)";
241 var_opt_char[0] = "optimize";
242 var_opt_char[1] = "optimize_size";
243 var_opt_range["optimize"] = "0, 255";
244 var_opt_range["optimize_size"] = "0, 255";
246 # Sort by size to mimic how the structure is laid out to be friendlier to the
249 for (i = 0; i < n_opts; i++) {
250 if (flag_set_p("Optimization", flags[i])) {
251 name = var_name(flags[i])
255 if(name in var_opt_seen)
258 var_opt_seen[name]++;
259 otype = var_type_struct(flags[i]);
260 if (otype ~ "^((un)?signed +)?int *$")
261 var_opt_int[n_opt_int++] = name;
263 else if (otype ~ "^((un)?signed +)?short *$")
264 var_opt_short[n_opt_short++] = name;
266 else if (otype ~ "^((un)?signed +)?char *$") {
267 var_opt_char[n_opt_char++] = name;
268 if (otype ~ "^unsigned +char *$")
269 var_opt_range[name] = "0, 255"
270 else if (otype ~ "^signed +char *$")
271 var_opt_range[name] = "-128, 127"
274 var_opt_other[n_opt_other++] = name;
278 for (i = 0; i < n_opt_char; i++) {
279 name = var_opt_char[i];
280 if (var_opt_range[name] != "")
281 print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));";
285 for (i = 0; i < n_opt_other; i++) {
286 print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";";
289 for (i = 0; i < n_opt_int; i++) {
290 print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";";
293 for (i = 0; i < n_opt_short; i++) {
294 print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";";
297 for (i = 0; i < n_opt_char; i++) {
298 print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";";
304 print "/* Restore optimization options from a structure. */";
306 print "cl_optimization_restore (struct cl_optimization *ptr)";
309 for (i = 0; i < n_opt_other; i++) {
310 print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";";
313 for (i = 0; i < n_opt_int; i++) {
314 print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";";
317 for (i = 0; i < n_opt_short; i++) {
318 print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";";
321 for (i = 0; i < n_opt_char; i++) {
322 print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";";
328 print "/* Print optimization options from a structure. */";
330 print "cl_optimization_print (FILE *file,";
331 print " int indent_to,";
332 print " struct cl_optimization *ptr)";
335 print " fputs (\"\\n\", file);";
336 for (i = 0; i < n_opt_other; i++) {
337 print " if (ptr->" var_opt_other[i] ")";
338 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
339 print " indent_to, \"\",";
340 print " \"" var_opt_other[i] "\",";
341 print " (unsigned long)ptr->" var_opt_other[i] ");";
345 for (i = 0; i < n_opt_int; i++) {
346 print " if (ptr->" var_opt_int[i] ")";
347 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
348 print " indent_to, \"\",";
349 print " \"" var_opt_int[i] "\",";
350 print " ptr->" var_opt_int[i] ");";
354 for (i = 0; i < n_opt_short; i++) {
355 print " if (ptr->" var_opt_short[i] ")";
356 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
357 print " indent_to, \"\",";
358 print " \"" var_opt_short[i] "\",";
359 print " ptr->" var_opt_short[i] ");";
363 for (i = 0; i < n_opt_char; i++) {
364 print " if (ptr->" var_opt_char[i] ")";
365 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
366 print " indent_to, \"\",";
367 print " \"" var_opt_char[i] "\",";
368 print " ptr->" var_opt_char[i] ");";
375 print "/* Save selected option variables into a structure. */"
377 print "cl_target_option_save (struct cl_target_option *ptr)";
386 for (i = 0; i < n_opts; i++) {
387 if (flag_set_p("Save", flags[i])) {
388 name = var_name(flags[i])
390 name = "target_flags";
392 if(name in var_save_seen)
395 var_save_seen[name]++;
396 otype = var_type_struct(flags[i])
397 if (otype ~ "^((un)?signed +)?int *$")
398 var_target_int[n_target_int++] = name;
400 else if (otype ~ "^((un)?signed +)?short *$")
401 var_target_short[n_target_short++] = name;
403 else if (otype ~ "^((un)?signed +)?char *$") {
404 var_target_char[n_target_char++] = name;
405 if (otype ~ "^unsigned +char *$")
406 var_target_range[name] = "0, 255"
407 else if (otype ~ "^signed +char *$")
408 var_target_range[name] = "-128, 127"
411 var_target_other[n_target_other++] = name;
415 var_target_int[n_target_int++] = "target_flags";
419 for (i = 0; i < n_target_char; i++) {
420 name = var_target_char[i];
421 if (var_target_range[name] != "") {
423 print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));";
430 print " if (targetm.target_option.save)";
431 print " targetm.target_option.save (ptr);";
434 for (i = 0; i < n_target_other; i++) {
435 print " ptr->" var_target_other[i] " = " var_target_other[i] ";";
438 for (i = 0; i < n_target_int; i++) {
439 print " ptr->" var_target_int[i] " = " var_target_int[i] ";";
442 for (i = 0; i < n_target_short; i++) {
443 print " ptr->" var_target_short[i] " = " var_target_short[i] ";";
446 for (i = 0; i < n_target_char; i++) {
447 print " ptr->" var_target_char[i] " = " var_target_char[i] ";";
453 print "/* Restore selected current options from a structure. */";
455 print "cl_target_option_restore (struct cl_target_option *ptr)";
458 for (i = 0; i < n_target_other; i++) {
459 print " " var_target_other[i] " = ptr->" var_target_other[i] ";";
462 for (i = 0; i < n_target_int; i++) {
463 print " " var_target_int[i] " = ptr->" var_target_int[i] ";";
466 for (i = 0; i < n_target_short; i++) {
467 print " " var_target_short[i] " = ptr->" var_target_short[i] ";";
470 for (i = 0; i < n_target_char; i++) {
471 print " " var_target_char[i] " = ptr->" var_target_char[i] ";";
474 # This must occur after the normal variables in case the code depends on those
477 print " if (targetm.target_option.restore)";
478 print " targetm.target_option.restore (ptr);";
483 print "/* Print optimization options from a structure. */";
485 print "cl_target_option_print (FILE *file,";
486 print " int indent,";
487 print " struct cl_target_option *ptr)";
490 print " fputs (\"\\n\", file);";
491 for (i = 0; i < n_target_other; i++) {
492 print " if (ptr->" var_target_other[i] ")";
493 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
494 print " indent, \"\",";
495 print " \"" var_target_other[i] "\",";
496 print " (unsigned long)ptr->" var_target_other[i] ");";
500 for (i = 0; i < n_target_int; i++) {
501 print " if (ptr->" var_target_int[i] ")";
502 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
503 print " indent, \"\",";
504 print " \"" var_target_int[i] "\",";
505 print " ptr->" var_target_int[i] ");";
509 for (i = 0; i < n_target_short; i++) {
510 print " if (ptr->" var_target_short[i] ")";
511 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
512 print " indent, \"\",";
513 print " \"" var_target_short[i] "\",";
514 print " ptr->" var_target_short[i] ");";
518 for (i = 0; i < n_target_char; i++) {
519 print " if (ptr->" var_target_char[i] ")";
520 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
521 print " indent, \"\",";
522 print " \"" var_target_char[i] "\",";
523 print " ptr->" var_target_char[i] ");";
528 print " if (targetm.target_option.print)";
529 print " targetm.target_option.print (file, indent, ptr);";