1 # Copyright (C) 2003, 2004, 2007, 2008, 2009 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];
150 if (help[i + 1] == "")
151 help[i + 1] = help[i]
152 else if (help[i] != "" && help[i + 1] != help[i])
153 print "warning: multiple different help strings for " \
154 opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
157 back_chain[i] = "N_OPTS";
158 indices[opts[i]] = j;
163 for (i = 0; i < n_opts; i++) {
164 # With identical flags, pick only the last one. The
165 # earlier loop ensured that it has all flags merged,
166 # and a nonempty help text if one of the texts was nonempty.
167 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
171 len = length (opts[i]);
172 enum = "OPT_" opts[i]
173 if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=" \
174 || opts[i] == "ftemplate-depth=")
176 gsub ("[^A-Za-z0-9]", "_", enum)
178 # If this switch takes joined arguments, back-chain all
179 # subsequent switches to it for which it is a prefix. If
180 # a later switch S is a longer prefix of a switch T, T
181 # will be back-chained to S in a later iteration of this
182 # for() loop, which is what we want.
183 if (flag_set_p("Joined.*", flags[i])) {
184 for (j = i + 1; j < n_opts; j++) {
185 if (substr (opts[j], 1, len) != opts[i])
187 back_chain[j] = enum;
191 s = substr(" ", length (opts[i]))
198 hlp = quote help[i] quote;
200 neg = opt_args("Negative", flags[i]);
204 if (flag_set_p("RejectNegative", flags[i]))
207 if (opts[i] ~ "^[Wfm]")
208 idx = indices[opts[i]];
213 # Split the printf after %u to work around an ia64-hp-hpux11.23
215 printf(" { %c-%s%c,\n %s,\n %s, %u,",
216 quote, opts[i], quote, hlp, back_chain[i], len)
217 printf(" %d,\n", idx)
218 condition = opt_args("Condition", flags[i])
219 cl_flags = switch_flags(flags[i])
226 condition, cl_flags, cl_flags)
228 printf(" %s,\n", cl_flags)
229 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
230 var_set(flags[i]), comma)
236 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
238 print "/* Save optimization variables into a structure. */"
240 print "cl_optimization_save (struct cl_optimization *ptr)";
247 var_opt_char[0] = "optimize";
248 var_opt_char[1] = "optimize_size";
249 var_opt_range["optimize"] = "0, 255";
250 var_opt_range["optimize_size"] = "0, 255";
252 # Sort by size to mimic how the structure is laid out to be friendlier to the
255 for (i = 0; i < n_opts; i++) {
256 if (flag_set_p("Optimization", flags[i])) {
257 name = var_name(flags[i])
261 if(name in var_opt_seen)
264 var_opt_seen[name]++;
265 otype = var_type_struct(flags[i]);
266 if (otype ~ "^((un)?signed +)?int *$")
267 var_opt_int[n_opt_int++] = name;
269 else if (otype ~ "^((un)?signed +)?short *$")
270 var_opt_short[n_opt_short++] = name;
272 else if (otype ~ "^((un)?signed +)?char *$") {
273 var_opt_char[n_opt_char++] = name;
274 if (otype ~ "^unsigned +char *$")
275 var_opt_range[name] = "0, 255"
276 else if (otype ~ "^signed +char *$")
277 var_opt_range[name] = "-128, 127"
280 var_opt_other[n_opt_other++] = name;
284 for (i = 0; i < n_opt_char; i++) {
285 name = var_opt_char[i];
286 if (var_opt_range[name] != "")
287 print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));";
291 for (i = 0; i < n_opt_other; i++) {
292 print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";";
295 for (i = 0; i < n_opt_int; i++) {
296 print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";";
299 for (i = 0; i < n_opt_short; i++) {
300 print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";";
303 for (i = 0; i < n_opt_char; i++) {
304 print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";";
310 print "/* Restore optimization options from a structure. */";
312 print "cl_optimization_restore (struct cl_optimization *ptr)";
315 for (i = 0; i < n_opt_other; i++) {
316 print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";";
319 for (i = 0; i < n_opt_int; i++) {
320 print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";";
323 for (i = 0; i < n_opt_short; i++) {
324 print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";";
327 for (i = 0; i < n_opt_char; i++) {
328 print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";";
331 print " targetm.override_options_after_change ();";
335 print "/* Print optimization options from a structure. */";
337 print "cl_optimization_print (FILE *file,";
338 print " int indent_to,";
339 print " struct cl_optimization *ptr)";
342 print " fputs (\"\\n\", file);";
343 for (i = 0; i < n_opt_other; i++) {
344 print " if (ptr->" var_opt_other[i] ")";
345 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
346 print " indent_to, \"\",";
347 print " \"" var_opt_other[i] "\",";
348 print " (unsigned long)ptr->" var_opt_other[i] ");";
352 for (i = 0; i < n_opt_int; i++) {
353 print " if (ptr->" var_opt_int[i] ")";
354 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
355 print " indent_to, \"\",";
356 print " \"" var_opt_int[i] "\",";
357 print " ptr->" var_opt_int[i] ");";
361 for (i = 0; i < n_opt_short; i++) {
362 print " if (ptr->" var_opt_short[i] ")";
363 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
364 print " indent_to, \"\",";
365 print " \"" var_opt_short[i] "\",";
366 print " ptr->" var_opt_short[i] ");";
370 for (i = 0; i < n_opt_char; i++) {
371 print " if (ptr->" var_opt_char[i] ")";
372 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
373 print " indent_to, \"\",";
374 print " \"" var_opt_char[i] "\",";
375 print " ptr->" var_opt_char[i] ");";
382 print "/* Save selected option variables into a structure. */"
384 print "cl_target_option_save (struct cl_target_option *ptr)";
393 for (i = 0; i < n_opts; i++) {
394 if (flag_set_p("Save", flags[i])) {
395 name = var_name(flags[i])
397 name = "target_flags";
399 if(name in var_save_seen)
402 var_save_seen[name]++;
403 otype = var_type_struct(flags[i])
404 if (otype ~ "^((un)?signed +)?int *$")
405 var_target_int[n_target_int++] = name;
407 else if (otype ~ "^((un)?signed +)?short *$")
408 var_target_short[n_target_short++] = name;
410 else if (otype ~ "^((un)?signed +)?char *$") {
411 var_target_char[n_target_char++] = name;
412 if (otype ~ "^unsigned +char *$")
413 var_target_range[name] = "0, 255"
414 else if (otype ~ "^signed +char *$")
415 var_target_range[name] = "-128, 127"
418 var_target_other[n_target_other++] = name;
422 var_target_int[n_target_int++] = "target_flags";
426 for (i = 0; i < n_target_char; i++) {
427 name = var_target_char[i];
428 if (var_target_range[name] != "") {
430 print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));";
437 print " if (targetm.target_option.save)";
438 print " targetm.target_option.save (ptr);";
441 for (i = 0; i < n_target_other; i++) {
442 print " ptr->" var_target_other[i] " = " var_target_other[i] ";";
445 for (i = 0; i < n_target_int; i++) {
446 print " ptr->" var_target_int[i] " = " var_target_int[i] ";";
449 for (i = 0; i < n_target_short; i++) {
450 print " ptr->" var_target_short[i] " = " var_target_short[i] ";";
453 for (i = 0; i < n_target_char; i++) {
454 print " ptr->" var_target_char[i] " = " var_target_char[i] ";";
460 print "/* Restore selected current options from a structure. */";
462 print "cl_target_option_restore (struct cl_target_option *ptr)";
465 for (i = 0; i < n_target_other; i++) {
466 print " " var_target_other[i] " = ptr->" var_target_other[i] ";";
469 for (i = 0; i < n_target_int; i++) {
470 print " " var_target_int[i] " = ptr->" var_target_int[i] ";";
473 for (i = 0; i < n_target_short; i++) {
474 print " " var_target_short[i] " = ptr->" var_target_short[i] ";";
477 for (i = 0; i < n_target_char; i++) {
478 print " " var_target_char[i] " = ptr->" var_target_char[i] ";";
481 # This must occur after the normal variables in case the code depends on those
484 print " if (targetm.target_option.restore)";
485 print " targetm.target_option.restore (ptr);";
490 print "/* Print optimization options from a structure. */";
492 print "cl_target_option_print (FILE *file,";
493 print " int indent,";
494 print " struct cl_target_option *ptr)";
497 print " fputs (\"\\n\", file);";
498 for (i = 0; i < n_target_other; i++) {
499 print " if (ptr->" var_target_other[i] ")";
500 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
501 print " indent, \"\",";
502 print " \"" var_target_other[i] "\",";
503 print " (unsigned long)ptr->" var_target_other[i] ");";
507 for (i = 0; i < n_target_int; i++) {
508 print " if (ptr->" var_target_int[i] ")";
509 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
510 print " indent, \"\",";
511 print " \"" var_target_int[i] "\",";
512 print " ptr->" var_target_int[i] ");";
516 for (i = 0; i < n_target_short; i++) {
517 print " if (ptr->" var_target_short[i] ")";
518 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
519 print " indent, \"\",";
520 print " \"" var_target_short[i] "\",";
521 print " ptr->" var_target_short[i] ");";
525 for (i = 0; i < n_target_char; i++) {
526 print " if (ptr->" var_target_char[i] ")";
527 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
528 print " indent, \"\",";
529 print " \"" var_target_char[i] "\",";
530 print " ptr->" var_target_char[i] ");";
535 print " if (targetm.target_option.print)";
536 print " targetm.target_option.print (file, indent, ptr);";