[thirdparty/gcc.git] / gcc / opth-gen.awk

#  Copyright (C) 2003-2015 Free Software Foundation, Inc.
#  Contributed by Kelley Cook, June 2004.
#  Original code from Neil Booth, May 2003.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# This Awk script reads in the option records generated from 
# opt-gather.awk, combines the flags of duplicate options and generates a
# C header file.
#
# This program uses functions from opt-functions.awk and code from
# opt-read.awk.
# Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
#            < inputfile > options.h

# Dump out an enumeration into a .h file.
# Combine the flags of duplicate options.
END {
print "/* This file is auto-generated by opth-gen.awk.  */"
print ""
print "#ifndef OPTIONS_H"
print "#define OPTIONS_H"
print ""
print "#include \"flag-types.h\""
print ""

if (n_extra_h_includes > 0) {
	for (i = 0; i < n_extra_h_includes; i++) {
		print "#include " quote extra_h_includes[i] quote
	}
	print ""
}

print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
print "#ifndef GENERATOR_FILE"
print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
print "struct GTY(()) gcc_options"
print "#else"
print "struct gcc_options"
print "#endif"
print "{"
print "#endif"

for (i = 0; i < n_extra_vars; i++) {
	var = extra_vars[i]
	sub(" *=.*", "", var)
	orig_var = var
	name = var
	type = var
	type_after = var
	sub("^.*[ *]", "", name)
	sub("\\[.*\\]$", "", name)
	sub("\\[.*\\]$", "", type)
	sub(" *" name "$", "", type)
	sub("^.*" name, "", type_after)
	var_seen[name] = 1
	print "#ifdef GENERATOR_FILE"
	print "extern " orig_var ";"
	print "#else"
	print "  " type " x_" name type_after ";"
	print "#define " name " global_options.x_" name
	print "#endif"
}

for (i = 0; i < n_opts; i++) {
	if (flag_set_p("Save", flags[i]))
		have_save = 1;

	name = var_name(flags[i]);
	if (name == "")
		continue;

	if (name in var_seen)
		continue;

	var_seen[name] = 1;
	print "#ifdef GENERATOR_FILE"
	print "extern " var_type(flags[i]) name ";"
	print "#else"
	print "  " var_type(flags[i]) "x_" name ";"
	print "#define " name " global_options.x_" name
	print "#endif"
}
for (i = 0; i < n_opts; i++) {
	name = static_var(opts[i], flags[i]);
	if (name != "") {
		print "#ifndef GENERATOR_FILE"
		print "  " var_type(flags[i]) "x_" name ";"
		print "#define x_" name " do_not_use"
		print "#endif"
	}
}
for (i = 0; i < n_opts; i++) {
	if (flag_set_p("SetByCombined", flags[i])) {
		print "#ifndef GENERATOR_FILE"
		print "  bool frontend_set_" var_name(flags[i]) ";"
		print "#endif"
	}
}
print "#ifndef GENERATOR_FILE"
print "};"
print "extern struct gcc_options global_options;"
print "extern const struct gcc_options global_options_init;"
print "extern struct gcc_options global_options_set;"
print "#define target_flags_explicit global_options_set.x_target_flags"
print "#endif"
print "#endif"
print ""

# All of the optimization switches gathered together so they can be saved and restored.
# This will allow attribute((cold)) to turn on space optimization.

# Change the type of normal switches from int to unsigned char to save space.
# Also, order the structure so that pointer fields occur first, then int
# fields, and then char fields to provide the best packing.

print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
print ""
print "/* Structure to save/restore optimization and target specific options.  */";
print "struct GTY(()) cl_optimization";
print "{";

n_opt_char = 2;
n_opt_short = 0;
n_opt_int = 0;
n_opt_enum = 1;
n_opt_other = 0;
var_opt_char[0] = "unsigned char x_optimize";
var_opt_char[1] = "unsigned char x_optimize_size";
var_opt_enum[0] = "enum fp_contract_mode x_flag_fp_contract_mode";

for (i = 0; i < n_opts; i++) {
	if (flag_set_p("Optimization", flags[i])) {
		name = var_name(flags[i])
		if(name == "")
			continue;

		if(name in var_opt_seen)
			continue;

		var_opt_seen[name]++;
		otype = var_type_struct(flags[i]);
		if (otype ~ "^((un)?signed +)?int *$")
			var_opt_int[n_opt_int++] = otype "x_" name;

		else if (otype ~ "^((un)?signed +)?short *$")
			var_opt_short[n_opt_short++] = otype "x_" name;

		else if (otype ~ "^((un)?signed +)?char *$")
			var_opt_char[n_opt_char++] = otype "x_" name;

		else if (otype ~ ("^enum +[_" alnum "]+ *$"))
			var_opt_enum[n_opt_enum++] = otype "x_" name;

		else
			var_opt_other[n_opt_other++] = otype "x_" name;
	}
}

for (i = 0; i < n_opt_other; i++) {
	print "  " var_opt_other[i] ";";
}

for (i = 0; i < n_opt_int; i++) {
	print "  " var_opt_int[i] ";";
}

for (i = 0; i < n_opt_enum; i++) {
	print "  " var_opt_enum[i] ";";
}

for (i = 0; i < n_opt_short; i++) {
	print "  " var_opt_short[i] ";";
}

for (i = 0; i < n_opt_char; i++) {
	print "  " var_opt_char[i] ";";
}

print "};";
print "";

# Target and optimization save/restore/print functions.
print "/* Structure to save/restore selected target specific options.  */";
print "struct GTY(()) cl_target_option";
print "{";

n_target_char = 0;
n_target_short = 0;
n_target_int = 0;
n_target_enum = 0;
n_target_other = 0;

for (i = 0; i < n_target_save; i++) {
	if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
		var_target_int[n_target_int++] = target_save_decl[i];

	else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
		var_target_short[n_target_short++] = target_save_decl[i];

	else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
		var_target_char[n_target_char++] = target_save_decl[i];

	else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
		var_target_enum[n_target_enum++] = target_save_decl[i];
	}
	else
		var_target_other[n_target_other++] = target_save_decl[i];
}

if (have_save) {
	for (i = 0; i < n_opts; i++) {
		if (flag_set_p("Save", flags[i])) {
			name = var_name(flags[i])
			if(name == "")
				name = "target_flags";

			if(name in var_save_seen)
				continue;

			var_save_seen[name]++;
			otype = var_type_struct(flags[i])
			if (otype ~ "^((un)?signed +)?int *$")
				var_target_int[n_target_int++] = otype "x_" name;

			else if (otype ~ "^((un)?signed +)?short *$")
				var_target_short[n_target_short++] = otype "x_" name;

			else if (otype ~ "^((un)?signed +)?char *$")
				var_target_char[n_target_char++] = otype "x_" name;

			else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
				var_target_enum[n_target_enum++] = otype "x_" name;

			else
				var_target_other[n_target_other++] = otype "x_" name;
		}
	}
} else {
	var_target_int[n_target_int++] = "int x_target_flags";
}

for (i = 0; i < n_target_other; i++) {
	print "  " var_target_other[i] ";";
}

for (i = 0; i < n_target_enum; i++) {
	print "  " var_target_enum[i] ";";
}

for (i = 0; i < n_target_int; i++) {
	print "  " var_target_int[i] ";";
}

for (i = 0; i < n_target_short; i++) {
	print "  " var_target_short[i] ";";
}

for (i = 0; i < n_target_char; i++) {
	print "  " var_target_char[i] ";";
}

print "};";
print "";
print "";
print "/* Save optimization variables into a structure.  */"
print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
print "";
print "/* Restore optimization variables from a structure.  */";
print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
print "";
print "/* Print optimization variables from a structure.  */";
print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
print "";
print "/* Print different optimization variables from structures provided as arguments.  */";
print "extern void cl_optimization_print_diff (FILE *, int, cl_optimization *ptr1, cl_optimization *ptr2);";
print "";
print "/* Save selected option variables into a structure.  */"
print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
print "";
print "/* Restore selected option variables from a structure.  */"
print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
print "";
print "/* Print target option variables from a structure.  */";
print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
print "";
print "/* Print different target option variables from structures provided as arguments.  */";
print "extern void cl_target_option_print_diff (FILE *, int, cl_target_option *ptr1, cl_target_option *ptr2);";
print "";
print "/* Compare two target option variables from a structure.  */";
print "extern bool cl_target_option_eq (const struct cl_target_option *, const struct cl_target_option *);";
print "";
print "/* Hash option variables from a structure.  */";
print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
print "";
print "/* Hash optimization from a structure.  */";
print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
print "";
print "/* Anything that includes tm.h, does not necessarily need this.  */"
print "#if !defined(GCC_TM_H)"
print "#include \"input.h\" /* for location_t */"
print "bool                                                                  "
print "common_handle_option_auto (struct gcc_options *opts,                  "
print "                           struct gcc_options *opts_set,              "
print "                           const struct cl_decoded_option *decoded,   "
print "                           unsigned int lang_mask, int kind,          "
print "                           location_t loc,                            "
print "                           const struct cl_option_handlers *handlers, "
print "                           diagnostic_context *dc);                   "
for (i = 0; i < n_langs; i++) {
    lang_name = lang_sanitized_name(langs[i]);
    print "bool                                                                  "
    print lang_name "_handle_option_auto (struct gcc_options *opts,              "
    print "                           struct gcc_options *opts_set,              "
    print "                           size_t scode, const char *arg, int value,  "
    print "                           unsigned int lang_mask, int kind,          "
    print "                           location_t loc,                            "
    print "                           const struct cl_option_handlers *handlers, "
    print "                           diagnostic_context *dc);                   "
}
print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
print "                             struct cpp_options * cpp_opts);"
print "void init_global_opts_from_cpp(struct gcc_options * opts,      "
print "                               const struct cpp_options * cpp_opts);"    
print "#endif";
print "#endif";
print "";

for (i = 0; i < n_opts; i++) {
	name = opt_args("Mask", flags[i])
	if (name == "") {
		opt = opt_args("InverseMask", flags[i])
		if (opt ~ ",")
			name = nth_arg(0, opt)
		else
			name = opt
	}
	if (name != "" && mask_bits[name] == 0) {
		mask_bits[name] = 1
		vname = var_name(flags[i])
		mask = "MASK_"
		mask_1 = "1"
		if (vname != "") {
			mask = "OPTION_MASK_"
			if (host_wide_int[vname] == "yes")
				mask_1 = "HOST_WIDE_INT_1"
		} else
			extra_mask_bits[name] = 1
		print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
	}
}
for (i = 0; i < n_extra_masks; i++) {
	if (extra_mask_bits[extra_masks[i]] == 0)
		print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
}

for (var in masknum) {
	if (var != "" && host_wide_int[var] == "yes") {
		print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " >= HOST_BITS_PER_WIDE_INT"
		print "#error too many masks for " var
		print "#endif"
	}
	else if (masknum[var] > 31) {
		if (var == "")
			print "#error too many target masks"
		else
			print "#error too many masks for " var
	}
}
print ""

for (i = 0; i < n_opts; i++) {
	name = opt_args("Mask", flags[i])
	if (name == "") {
		opt = opt_args("InverseMask", flags[i])
		if (opt ~ ",")
			name = nth_arg(0, opt)
		else
			name = opt
	}
	if (name != "" && mask_macros[name] == 0) {
		mask_macros[name] = 1
		vname = var_name(flags[i])
		mask = "OPTION_MASK_"
		if (vname == "") {
			vname = "target_flags"
			mask = "MASK_"
			extra_mask_macros[name] = 1
		}
		print "#define TARGET_" name \
		      " ((" vname " & " mask name ") != 0)"
		print "#define TARGET_" name "_P(" vname ")" \
		      " ((" vname " & " mask name ") != 0)"
	}
}
for (i = 0; i < n_extra_masks; i++) {
	if (extra_mask_macros[extra_masks[i]] == 0)
		print "#define TARGET_" extra_masks[i] \
		      " ((target_flags & MASK_" extra_masks[i] ") != 0)"
}
print ""

for (i = 0; i < n_opts; i++) {
	opt = opt_args("InverseMask", flags[i])
	if (opt ~ ",") {
		vname = var_name(flags[i])
		mask = "OPTION_MASK_"
		if (vname == "") {
			vname = "target_flags"
			mask = "MASK_"
		}
		print "#define TARGET_" nth_arg(1, opt) \
		      " ((" vname " & " mask nth_arg(0, opt) ") == 0)"
	}
}
print ""

for (i = 0; i < n_langs; i++) {
        macros[i] = "CL_" lang_sanitized_name(langs[i])
	s = substr("            ", length (macros[i]))
	print "#define " macros[i] s " (1U << " i ")"
    }
print "#define CL_LANG_ALL   ((1U << " n_langs ") - 1)"

print ""
print "enum opt_code"
print "{"
	
for (i = 0; i < n_opts; i++)
	back_chain[i] = "N_OPTS";

enum_value = 0
for (i = 0; i < n_opts; i++) {
	# Combine the flags of identical switches.  Switches
	# appear many times if they are handled by many front
	# ends, for example.
	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
		flags[i + 1] = flags[i] " " flags[i + 1];
		i++;
	}

	len = length (opts[i]);
	enum = opt_enum(opts[i])
	enum_string = enum " = " enum_value ","

	# Aliases do not get enumeration names.
	if ((flag_set_p("Alias.*", flags[i]) \
	     && !flag_set_p("SeparateAlias", flags[i])) \
	    || flag_set_p("Ignore", flags[i])) {
		enum_string = "/* " enum_string " */"
	}

	# If this switch takes joined arguments, back-chain all
	# subsequent switches to it for which it is a prefix.  If
	# a later switch S is a longer prefix of a switch T, T
	# will be back-chained to S in a later iteration of this
	# for() loop, which is what we want.
	if (flag_set_p("Joined.*", flags[i])) {
		for (j = i + 1; j < n_opts; j++) {
			if (substr (opts[j], 1, len) != opts[i])
				break;
			back_chain[j] = enum;
		}
	}

	s = substr("                                          ",
		   length (enum_string))

	if (help[i] == "")
		hlp = "0"
	else
		hlp = "N_(\"" help[i] "\")";

	print "  " enum_string s "/* -" opts[i] " */"
	enum_value++
}

print "  N_OPTS,"
print "  OPT_SPECIAL_unknown,"
print "  OPT_SPECIAL_ignore,"
print "  OPT_SPECIAL_program_name,"
print "  OPT_SPECIAL_input_file"
print "};"
print ""
print "#ifdef GCC_C_COMMON_C"
print "/* Mapping from cpp message reasons to the options that enable them.  */"
print "#include <cpplib.h>"
print "struct cpp_reason_option_codes_t"
print "{"
print "  const int reason;		/* cpplib message reason.  */"
print "  const int option_code;	/* gcc option that controls this message.  */"
print "};"
print ""
print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
for (i = 0; i < n_opts; i++) {
    # With identical flags, pick only the last one.  The
    # earlier loop ensured that it has all flags merged,
    # and a nonempty help text if one of the texts was nonempty.
    while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
        i++;
    }
    cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
    if (cpp_reason != "") {
        cpp_reason = cpp_reason ",";
        printf("  {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
    }
}
printf("  {%-40s 0},\n", "CPP_W_NONE,")
print "};"
print "#endif"
print ""
print "#endif /* OPTIONS_H */"
}
Commit	Line	Data
5624e564	1	# Copyright (C) 2003-2015 Free Software Foundation, Inc.
776dc15d KC	2	# Contributed by Kelley Cook, June 2004.
	3	# Original code from Neil Booth, May 2003.
	4	#
	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
9dcd6f09	7	# Free Software Foundation; either version 3, or (at your option) any
776dc15d KC	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.
	14	#
	15	# You should have received a copy of the GNU General Public License
9dcd6f09 NC	16	# along with this program; see the file COPYING3. If not see
9dcd6f09 NC	17	# <http://www.gnu.org/licenses/>.
776dc15d KC	18
	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.
	22	#
86fa5de4 JM	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
776dc15d KC	27
	28	# Dump out an enumeration into a .h file.
	29	# Combine the flags of duplicate options.
	30	END {
14078ff6	31	print "/* This file is auto-generated by opth-gen.awk. */"
776dc15d KC	32	print ""
	33	print "#ifndef OPTIONS_H"
	34	print "#define OPTIONS_H"
	35	print ""
f938f60c JM	36	print "#include \"flag-types.h\""
f938f60c JM	37	print ""
776dc15d	38
fd438373 MM	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
	42	}
	43	print ""
	44	}
ab442df7	45
a75bfaa6	46	print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
e3339d0f	47	print "#ifndef GENERATOR_FILE"
57dfdff0	48	print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
fd438373 MM	49	print "struct GTY(()) gcc_options"
	50	print "#else"
	51	print "struct gcc_options"
	52	print "#endif"
	53	print "{"
e3339d0f JM	54	print "#endif"
e3339d0f JM	55
e90afde6 JM	56	for (i = 0; i < n_extra_vars; i++) {
	57	var = extra_vars[i]
	58	sub(" =.", "", var)
e3339d0f JM	59	orig_var = var
	60	name = var
	61	type = var
69ccdddb	62	type_after = var
e3339d0f	63	sub("^.[ ]", "", name)
69ccdddb JM	64	sub("\\[.*\\]$", "", name)
69ccdddb JM	65	sub("\\[.*\\]$", "", type)
e3339d0f	66	sub(" *" name "$", "", type)
69ccdddb	67	sub("^.*" name, "", type_after)
e3339d0f JM	68	var_seen[name] = 1
	69	print "#ifdef GENERATOR_FILE"
	70	print "extern " orig_var ";"
	71	print "#else"
69ccdddb	72	print " " type " x_" name type_after ";"
e3339d0f JM	73	print "#define " name " global_options.x_" name
e3339d0f JM	74	print "#endif"
e90afde6 JM	75	}
e90afde6 JM	76
776dc15d	77	for (i = 0; i < n_opts; i++) {
ab442df7 MM	78	if (flag_set_p("Save", flags[i]))
	79	have_save = 1;
	80
776dc15d KC	81	name = var_name(flags[i]);
	82	if (name == "")
	83	continue;
	84
ab442df7 MM	85	if (name in var_seen)
	86	continue;
	87
	88	var_seen[name] = 1;
e3339d0f	89	print "#ifdef GENERATOR_FILE"
55bea00a	90	print "extern " var_type(flags[i]) name ";"
e3339d0f JM	91	print "#else"
	92	print " " var_type(flags[i]) "x_" name ";"
	93	print "#define " name " global_options.x_" name
	94	print "#endif"
55bea00a	95	}
46625112 JM	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"
	103	}
	104	}
5e46b0c6 ILT	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"
	110	}
	111	}
e3339d0f JM	112	print "#ifndef GENERATOR_FILE"
	113	print "};"
	114	print "extern struct gcc_options global_options;"
a75bfaa6	115	print "extern const struct gcc_options global_options_init;"
d4d24ba4	116	print "extern struct gcc_options global_options_set;"
70e8b89b	117	print "#define target_flags_explicit global_options_set.x_target_flags"
e3339d0f	118	print "#endif"
a75bfaa6	119	print "#endif"
55bea00a	120	print ""
776dc15d	121
ab442df7 MM	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.
	124
	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.
	128
f6d08ab2	129	print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
ab442df7 MM	130	print ""
ab442df7 MM	131	print "/* Structure to save/restore optimization and target specific options. */";
d1b38208	132	print "struct GTY(()) cl_optimization";
ab442df7 MM	133	print "{";
	134
	135	n_opt_char = 2;
	136	n_opt_short = 0;
	137	n_opt_int = 0;
fd438373	138	n_opt_enum = 1;
ab442df7	139	n_opt_other = 0;
e3339d0f JM	140	var_opt_char[0] = "unsigned char x_optimize";
e3339d0f JM	141	var_opt_char[1] = "unsigned char x_optimize_size";
fd438373	142	var_opt_enum[0] = "enum fp_contract_mode x_flag_fp_contract_mode";
ab442df7 MM	143
	144	for (i = 0; i < n_opts; i++) {
	145	if (flag_set_p("Optimization", flags[i])) {
	146	name = var_name(flags[i])
	147	if(name == "")
	148	continue;
	149
	150	if(name in var_opt_seen)
	151	continue;
	152
	153	var_opt_seen[name]++;
	154	otype = var_type_struct(flags[i]);
	155	if (otype ~ "^((un)?signed +)?int *$")
e3339d0f	156	var_opt_int[n_opt_int++] = otype "x_" name;
ab442df7 MM	157
ab442df7 MM	158	else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f	159	var_opt_short[n_opt_short++] = otype "x_" name;
ab442df7 MM	160
ab442df7 MM	161	else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f	162	var_opt_char[n_opt_char++] = otype "x_" name;
ab442df7	163
fd438373 MM	164	else if (otype ~ ("^enum +[_" alnum "]+ *$"))
	165	var_opt_enum[n_opt_enum++] = otype "x_" name;
	166
ab442df7	167	else
e3339d0f	168	var_opt_other[n_opt_other++] = otype "x_" name;
ab442df7 MM	169	}
	170	}
	171
	172	for (i = 0; i < n_opt_other; i++) {
	173	print " " var_opt_other[i] ";";
	174	}
	175
	176	for (i = 0; i < n_opt_int; i++) {
	177	print " " var_opt_int[i] ";";
	178	}
	179
fd438373 MM	180	for (i = 0; i < n_opt_enum; i++) {
	181	print " " var_opt_enum[i] ";";
	182	}
	183
ab442df7 MM	184	for (i = 0; i < n_opt_short; i++) {
	185	print " " var_opt_short[i] ";";
	186	}
	187
	188	for (i = 0; i < n_opt_char; i++) {
	189	print " " var_opt_char[i] ";";
	190	}
	191
	192	print "};";
	193	print "";
	194
	195	# Target and optimization save/restore/print functions.
	196	print "/* Structure to save/restore selected target specific options. */";
d1b38208	197	print "struct GTY(()) cl_target_option";
ab442df7 MM	198	print "{";
	199
	200	n_target_char = 0;
	201	n_target_short = 0;
	202	n_target_int = 0;
fd438373	203	n_target_enum = 0;
ab442df7 MM	204	n_target_other = 0;
	205
	206	for (i = 0; i < n_target_save; i++) {
e4590d63	207	if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
ab442df7 MM	208	var_target_int[n_target_int++] = target_save_decl[i];
ab442df7 MM	209
e4590d63	210	else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
ab442df7 MM	211	var_target_short[n_target_short++] = target_save_decl[i];
ab442df7 MM	212
e4590d63	213	else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
ab442df7 MM	214	var_target_char[n_target_char++] = target_save_decl[i];
ab442df7 MM	215
fd438373 MM	216	else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
	217	var_target_enum[n_target_enum++] = target_save_decl[i];
	218	}
ab442df7 MM	219	else
	220	var_target_other[n_target_other++] = target_save_decl[i];
	221	}
	222
	223	if (have_save) {
	224	for (i = 0; i < n_opts; i++) {
	225	if (flag_set_p("Save", flags[i])) {
	226	name = var_name(flags[i])
	227	if(name == "")
	228	name = "target_flags";
	229
	230	if(name in var_save_seen)
	231	continue;
	232
	233	var_save_seen[name]++;
	234	otype = var_type_struct(flags[i])
	235	if (otype ~ "^((un)?signed +)?int *$")
e3339d0f	236	var_target_int[n_target_int++] = otype "x_" name;
ab442df7 MM	237
ab442df7 MM	238	else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f	239	var_target_short[n_target_short++] = otype "x_" name;
ab442df7 MM	240
ab442df7 MM	241	else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f	242	var_target_char[n_target_char++] = otype "x_" name;
ab442df7	243
fd438373 MM	244	else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
	245	var_target_enum[n_target_enum++] = otype "x_" name;
	246
ab442df7	247	else
e3339d0f	248	var_target_other[n_target_other++] = otype "x_" name;
ab442df7 MM	249	}
	250	}
	251	} else {
e3339d0f	252	var_target_int[n_target_int++] = "int x_target_flags";
ab442df7 MM	253	}
	254
	255	for (i = 0; i < n_target_other; i++) {
	256	print " " var_target_other[i] ";";
	257	}
	258
fd438373 MM	259	for (i = 0; i < n_target_enum; i++) {
	260	print " " var_target_enum[i] ";";
	261	}
	262
ab442df7 MM	263	for (i = 0; i < n_target_int; i++) {
	264	print " " var_target_int[i] ";";
	265	}
	266
	267	for (i = 0; i < n_target_short; i++) {
	268	print " " var_target_short[i] ";";
	269	}
	270
	271	for (i = 0; i < n_target_char; i++) {
	272	print " " var_target_char[i] ";";
	273	}
	274
	275	print "};";
	276	print "";
	277	print "";
	278	print "/* Save optimization variables into a structure. */"
46625112	279	print "extern void cl_optimization_save (struct cl_optimization , struct gcc_options );";
ab442df7 MM	280	print "";
ab442df7 MM	281	print "/* Restore optimization variables from a structure. */";
46625112	282	print "extern void cl_optimization_restore (struct gcc_options , struct cl_optimization );";
ab442df7 MM	283	print "";
	284	print "/* Print optimization variables from a structure. */";
	285	print "extern void cl_optimization_print (FILE , int, struct cl_optimization );";
	286	print "";
eaabbb00 ML	287	print "/* Print different optimization variables from structures provided as arguments. */";
	288	print "extern void cl_optimization_print_diff (FILE , int, cl_optimization ptr1, cl_optimization *ptr2);";
	289	print "";
ab442df7	290	print "/* Save selected option variables into a structure. */"
46625112	291	print "extern void cl_target_option_save (struct cl_target_option , struct gcc_options );";
ab442df7 MM	292	print "";
ab442df7 MM	293	print "/* Restore selected option variables from a structure. */"
46625112	294	print "extern void cl_target_option_restore (struct gcc_options , struct cl_target_option );";
ab442df7 MM	295	print "";
	296	print "/* Print target option variables from a structure. */";
	297	print "extern void cl_target_option_print (FILE , int, struct cl_target_option );";
7d5a5747	298	print "";
eaabbb00 ML	299	print "/* Print different target option variables from structures provided as arguments. */";
	300	print "extern void cl_target_option_print_diff (FILE , int, cl_target_option ptr1, cl_target_option *ptr2);";
	301	print "";
54e774c0 JH	302	print "/* Compare two target option variables from a structure. */";
	303	print "extern bool cl_target_option_eq (const struct cl_target_option , const struct cl_target_option );";
	304	print "";
	305	print "/* Hash option variables from a structure. */";
	306	print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
	307	print "";
ca9a04da JH	308	print "/* Hash optimization from a structure. */";
	309	print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
	310	print "";
7d5a5747 MLI	311	print "/* Anything that includes tm.h, does not necessarily need this. */"
	312	print "#if !defined(GCC_TM_H)"
	313	print "#include \"input.h\" /* for location_t */"
	314	print "bool "
	315	print "common_handle_option_auto (struct gcc_options *opts, "
	316	print " struct gcc_options *opts_set, "
	317	print " const struct cl_decoded_option *decoded, "
	318	print " unsigned int lang_mask, int kind, "
	319	print " location_t loc, "
	320	print " const struct cl_option_handlers *handlers, "
	321	print " diagnostic_context *dc); "
f2bc201f MLI	322	for (i = 0; i < n_langs; i++) {
	323	lang_name = lang_sanitized_name(langs[i]);
	324	print "bool "
	325	print lang_name "_handle_option_auto (struct gcc_options *opts, "
	326	print " struct gcc_options *opts_set, "
	327	print " size_t scode, const char *arg, int value, "
	328	print " unsigned int lang_mask, int kind, "
	329	print " location_t loc, "
	330	print " const struct cl_option_handlers *handlers, "
	331	print " diagnostic_context *dc); "
	332	}
43f9a13c MLI	333	print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
	334	print " struct cpp_options * cpp_opts);"
	335	print "void init_global_opts_from_cpp(struct gcc_options * opts, "
	336	print " const struct cpp_options * cpp_opts);"
7d5a5747	337	print "#endif";
ab442df7 MM	338	print "#endif";
	339	print "";
	340
75685792 RS	341	for (i = 0; i < n_opts; i++) {
75685792 RS	342	name = opt_args("Mask", flags[i])
1ad36b7e L	343	if (name == "") {
	344	opt = opt_args("InverseMask", flags[i])
	345	if (opt ~ ",")
	346	name = nth_arg(0, opt)
	347	else
	348	name = opt
f7f655c7	349	}
1ad36b7e L	350	if (name != "" && mask_bits[name] == 0) {
	351	mask_bits[name] = 1
	352	vname = var_name(flags[i])
	353	mask = "MASK_"
	354	mask_1 = "1"
	355	if (vname != "") {
	356	mask = "OPTION_MASK_"
	357	if (host_wide_int[vname] == "yes")
	358	mask_1 = "HOST_WIDE_INT_1"
eefdb8e6 L	359	} else
eefdb8e6 L	360	extra_mask_bits[name] = 1
99114bbf	361	print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
1ad36b7e	362	}
75685792	363	}
fe609b0f	364	for (i = 0; i < n_extra_masks; i++) {
eefdb8e6 L	365	if (extra_mask_bits[extra_masks[i]] == 0)
eefdb8e6 L	366	print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
f7f655c7 DD	367	}
	368
	369	for (var in masknum) {
99114bbf L	370	if (var != "" && host_wide_int[var] == "yes") {
	371	print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " >= HOST_BITS_PER_WIDE_INT"
	372	print "#error too many masks for " var
	373	print "#endif"
	374	}
	375	else if (masknum[var] > 31) {
f7f655c7 DD	376	if (var == "")
	377	print "#error too many target masks"
	378	else
	379	print "#error too many masks for " var
	380	}
fe609b0f	381	}
75685792 RS	382	print ""
	383
	384	for (i = 0; i < n_opts; i++) {
	385	name = opt_args("Mask", flags[i])
1ad36b7e L	386	if (name == "") {
	387	opt = opt_args("InverseMask", flags[i])
	388	if (opt ~ ",")
	389	name = nth_arg(0, opt)
	390	else
	391	name = opt
f7f655c7	392	}
1ad36b7e L	393	if (name != "" && mask_macros[name] == 0) {
	394	mask_macros[name] = 1
	395	vname = var_name(flags[i])
1ad36b7e L	396	mask = "OPTION_MASK_"
	397	if (vname == "") {
	398	vname = "target_flags"
1ad36b7e	399	mask = "MASK_"
eefdb8e6	400	extra_mask_macros[name] = 1
1ad36b7e	401	}
90922d36	402	print "#define TARGET_" name \
f7f655c7	403	" ((" vname " & " mask name ") != 0)"
bf7b5747 ST	404	print "#define TARGET_" name "_P(" vname ")" \
bf7b5747 ST	405	" ((" vname " & " mask name ") != 0)"
1ad36b7e	406	}
75685792	407	}
fe609b0f	408	for (i = 0; i < n_extra_masks; i++) {
eefdb8e6 L	409	if (extra_mask_macros[extra_masks[i]] == 0)
	410	print "#define TARGET_" extra_masks[i] \
	411	" ((target_flags & MASK_" extra_masks[i] ") != 0)"
fe609b0f	412	}
75685792 RS	413	print ""
	414
	415	for (i = 0; i < n_opts; i++) {
	416	opt = opt_args("InverseMask", flags[i])
7bd85ce0 JM	417	if (opt ~ ",") {
7bd85ce0 JM	418	vname = var_name(flags[i])
7bd85ce0 JM	419	mask = "OPTION_MASK_"
	420	if (vname == "") {
	421	vname = "target_flags"
7bd85ce0 JM	422	mask = "MASK_"
7bd85ce0 JM	423	}
90922d36	424	print "#define TARGET_" nth_arg(1, opt) \
7bd85ce0 JM	425	" ((" vname " & " mask nth_arg(0, opt) ") == 0)"
7bd85ce0 JM	426	}
75685792 RS	427	}
75685792 RS	428	print ""
776dc15d KC	429
776dc15d KC	430	for (i = 0; i < n_langs; i++) {
f2bc201f	431	macros[i] = "CL_" lang_sanitized_name(langs[i])
776dc15d	432	s = substr(" ", length (macros[i]))
eb50f63a	433	print "#define " macros[i] s " (1U << " i ")"
776dc15d	434	}
eb50f63a	435	print "#define CL_LANG_ALL ((1U << " n_langs ") - 1)"
776dc15d KC	436
	437	print ""
	438	print "enum opt_code"
	439	print "{"
	440
	441	for (i = 0; i < n_opts; i++)
	442	back_chain[i] = "N_OPTS";
	443
5de8299c	444	enum_value = 0
64fbae21 RS	445	for (i = 0; i < n_opts; i++) {
	446	# Combine the flags of identical switches. Switches
	447	# appear many times if they are handled by many front
	448	# ends, for example.
	449	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
	450	flags[i + 1] = flags[i] " " flags[i + 1];
	451	i++;
	452	}
776dc15d KC	453
776dc15d KC	454	len = length (opts[i]);
9db94baa	455	enum = opt_enum(opts[i])
5de8299c JM	456	enum_string = enum " = " enum_value ","
	457
	458	# Aliases do not get enumeration names.
d1583032 JM	459	if ((flag_set_p("Alias.*", flags[i]) \
	460	&& !flag_set_p("SeparateAlias", flags[i])) \
	461	\|\| flag_set_p("Ignore", flags[i])) {
5de8299c JM	462	enum_string = "/* " enum_string " */"
5de8299c JM	463	}
776dc15d KC	464
	465	# If this switch takes joined arguments, back-chain all
	466	# subsequent switches to it for which it is a prefix. If
	467	# a later switch S is a longer prefix of a switch T, T
	468	# will be back-chained to S in a later iteration of this
	469	# for() loop, which is what we want.
a56a0779	470	if (flag_set_p("Joined.*", flags[i])) {
776dc15d KC	471	for (j = i + 1; j < n_opts; j++) {
	472	if (substr (opts[j], 1, len) != opts[i])
	473	break;
	474	back_chain[j] = enum;
	475	}
	476	}
	477
5de8299c JM	478	s = substr(" ",
5de8299c JM	479	length (enum_string))
776dc15d KC	480
	481	if (help[i] == "")
	482	hlp = "0"
	483	else
	484	hlp = "N_(\"" help[i] "\")";
	485
5de8299c JM	486	print " " enum_string s "/* -" opts[i] " */"
5de8299c JM	487	enum_value++
776dc15d KC	488	}
776dc15d KC	489
6e2f1956 JM	490	print " N_OPTS,"
6e2f1956 JM	491	print " OPT_SPECIAL_unknown,"
2d2bd949	492	print " OPT_SPECIAL_ignore,"
6e2f1956 JM	493	print " OPT_SPECIAL_program_name,"
6e2f1956 JM	494	print " OPT_SPECIAL_input_file"
776dc15d KC	495	print "};"
776dc15d KC	496	print ""
40e23961	497	print "#ifdef GCC_C_COMMON_C"
b559c810 MLI	498	print "/* Mapping from cpp message reasons to the options that enable them. */"
	499	print "#include <cpplib.h>"
	500	print "struct cpp_reason_option_codes_t"
	501	print "{"
	502	print " const int reason; /* cpplib message reason. */"
	503	print " const int option_code; /* gcc option that controls this message. */"
	504	print "};"
	505	print ""
	506	print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
	507	for (i = 0; i < n_opts; i++) {
	508	# With identical flags, pick only the last one. The
	509	# earlier loop ensured that it has all flags merged,
	510	# and a nonempty help text if one of the texts was nonempty.
	511	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
	512	i++;
	513	}
	514	cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
	515	if (cpp_reason != "") {
	516	cpp_reason = cpp_reason ",";
	517	printf(" {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
	518	}
	519	}
	520	printf(" {%-40s 0},\n", "CPP_W_NONE,")
	521	print "};"
	522	print "#endif"
	523	print ""
776dc15d KC	524	print "#endif /* OPTIONS_H */"
776dc15d KC	525	}