-# Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
+# Free Software Foundation, Inc.
# Contributed by Kelley Cook, June 2004.
# Original code from Neil Booth, May 2003.
#
# <http://www.gnu.org/licenses/>.
# This Awk script reads in the option records generated from
-# opt-gather.awk, combines the flags of duplicat options and generates a
+# opt-gather.awk, combines the flags of duplicate options and generates a
# C file.
#
# This program uses functions from opt-functions.awk
BEGIN {
n_opts = 0
n_langs = 0
+ n_target_save = 0
quote = "\042"
comma = ","
FS=SUBSEP
langs[n_langs] = $2
n_langs++;
}
+ else if ($1 == "TargetSave") {
+ # Make sure the declarations are put in source order
+ target_save_decl[n_target_save] = $2
+ n_target_save++
+ }
else {
name = opt_args("Mask", $1)
if (name == "") {
opts[n_opts] = $1
flags[n_opts] = $2
help[n_opts] = $3
+ for (i = 4; i <= NF; i++)
+ help[n_opts] = help[n_opts] " " $i
n_opts++;
}
}
# Dump that array of options into a C file.
END {
-print "/* This file is auto-generated by opts.sh. */"
+print "/* This file is auto-generated by optc-gen.awk. */"
print ""
n_headers = split(header_name, headers, " ")
for (i = 1; i <= n_headers; i++)
print ""
print "#ifdef GCC_DRIVER"
print "int target_flags;"
+print "#else"
+print "#include " quote "flags.h" quote
+print "#include " quote "target.h" quote
print "#endif /* GCC_DRIVER */"
print ""
+have_save = 0;
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;
# ends, for example.
while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
flags[i + 1] = flags[i] " " flags[i + 1];
+ if (help[i + 1] == "")
+ help[i + 1] = help[i]
+ else if (help[i] != "" && help[i + 1] != help[i])
+ print "warning: multiple different help strings for " \
+ opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
+ | "cat 1>&2"
i++;
back_chain[i] = "N_OPTS";
indices[opts[i]] = j;
}
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.
+ # 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] ) {
- flags[i + 1] = flags[i] " " flags[i + 1];
i++;
}
len = length (opts[i]);
- enum = "OPT_" opts[i]
- if (opts[i] == "finline-limit=")
- enum = enum "eq"
- gsub ("[^A-Za-z0-9]", "_", enum)
+ enum = opt_enum(opts[i])
# If this switch takes joined arguments, back-chain all
# subsequent switches to it for which it is a prefix. If
idx = -1;
}
}
- printf(" { %c-%s%c,\n %s,\n %s, %u, %d,\n",
- quote, opts[i], quote, hlp, back_chain[i], len, idx)
+ # Split the printf after %u to work around an ia64-hp-hpux11.23
+ # awk bug.
+ printf(" { %c-%s%c,\n %s,\n %s, %u,",
+ quote, opts[i], quote, hlp, back_chain[i], len)
+ printf(" %d,\n", idx)
condition = opt_args("Condition", flags[i])
cl_flags = switch_flags(flags[i])
if (condition != "")
}
print "};"
+
+print "";
+print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
+print "";
+print "/* Save optimization variables into a structure. */"
+print "void";
+print "cl_optimization_save (struct cl_optimization *ptr)";
+print "{";
+
+n_opt_char = 2;
+n_opt_short = 0;
+n_opt_int = 0;
+n_opt_other = 0;
+var_opt_char[0] = "optimize";
+var_opt_char[1] = "optimize_size";
+var_opt_range["optimize"] = "0, 255";
+var_opt_range["optimize_size"] = "0, 255";
+
+# Sort by size to mimic how the structure is laid out to be friendlier to the
+# cache.
+
+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++] = name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_opt_short[n_opt_short++] = name;
+
+ else if (otype ~ "^((un)?signed +)?char *$") {
+ var_opt_char[n_opt_char++] = name;
+ if (otype ~ "^unsigned +char *$")
+ var_opt_range[name] = "0, 255"
+ else if (otype ~ "^signed +char *$")
+ var_opt_range[name] = "-128, 127"
+ }
+ else
+ var_opt_other[n_opt_other++] = name;
+ }
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ name = var_opt_char[i];
+ if (var_opt_range[name] != "")
+ print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));";
+}
+
+print "";
+for (i = 0; i < n_opt_other; i++) {
+ print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";";
+}
+
+for (i = 0; i < n_opt_int; i++) {
+ print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";";
+}
+
+for (i = 0; i < n_opt_short; i++) {
+ print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";";
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";";
+}
+
+print "}";
+
+print "";
+print "/* Restore optimization options from a structure. */";
+print "void";
+print "cl_optimization_restore (struct cl_optimization *ptr)";
+print "{";
+
+for (i = 0; i < n_opt_other; i++) {
+ print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";";
+}
+
+for (i = 0; i < n_opt_int; i++) {
+ print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";";
+}
+
+for (i = 0; i < n_opt_short; i++) {
+ print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";";
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";";
+}
+
+print " targetm.override_options_after_change ();";
+print "}";
+
+print "";
+print "/* Print optimization options from a structure. */";
+print "void";
+print "cl_optimization_print (FILE *file,";
+print " int indent_to,";
+print " struct cl_optimization *ptr)";
+print "{";
+
+print " fputs (\"\\n\", file);";
+for (i = 0; i < n_opt_other; i++) {
+ print " if (ptr->" var_opt_other[i] ")";
+ print " fprintf (file, \"%*s%s (%#lx)\\n\",";
+ print " indent_to, \"\",";
+ print " \"" var_opt_other[i] "\",";
+ print " (unsigned long)ptr->" var_opt_other[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_opt_int; i++) {
+ print " if (ptr->" var_opt_int[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent_to, \"\",";
+ print " \"" var_opt_int[i] "\",";
+ print " ptr->" var_opt_int[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_opt_short; i++) {
+ print " if (ptr->" var_opt_short[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent_to, \"\",";
+ print " \"" var_opt_short[i] "\",";
+ print " ptr->" var_opt_short[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ print " if (ptr->" var_opt_char[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent_to, \"\",";
+ print " \"" var_opt_char[i] "\",";
+ print " ptr->" var_opt_char[i] ");";
+ print "";
+}
+
+print "}";
+
+print "";
+print "/* Save selected option variables into a structure. */"
+print "void";
+print "cl_target_option_save (struct cl_target_option *ptr)";
+print "{";
+
+n_target_char = 0;
+n_target_short = 0;
+n_target_int = 0;
+n_target_other = 0;
+
+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 *$")
+ var_target_int[n_target_int++] = name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_target_short[n_target_short++] = name;
+
+ else if (otype ~ "^((un)?signed +)?char *$") {
+ var_target_char[n_target_char++] = name;
+ if (otype ~ "^unsigned +char *$")
+ var_target_range[name] = "0, 255"
+ else if (otype ~ "^signed +char *$")
+ var_target_range[name] = "-128, 127"
+ }
+ else
+ var_target_other[n_target_other++] = name;
+ }
+ }
+} else {
+ var_target_int[n_target_int++] = "target_flags";
+}
+
+have_assert = 0;
+for (i = 0; i < n_target_char; i++) {
+ name = var_target_char[i];
+ if (var_target_range[name] != "") {
+ have_assert = 1;
+ print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));";
+ }
+}
+
+if (have_assert)
+ print "";
+
+print " if (targetm.target_option.save)";
+print " targetm.target_option.save (ptr);";
+print "";
+
+for (i = 0; i < n_target_other; i++) {
+ print " ptr->" var_target_other[i] " = " var_target_other[i] ";";
+}
+
+for (i = 0; i < n_target_int; i++) {
+ print " ptr->" var_target_int[i] " = " var_target_int[i] ";";
+}
+
+for (i = 0; i < n_target_short; i++) {
+ print " ptr->" var_target_short[i] " = " var_target_short[i] ";";
+}
+
+for (i = 0; i < n_target_char; i++) {
+ print " ptr->" var_target_char[i] " = " var_target_char[i] ";";
+}
+
+print "}";
+
+print "";
+print "/* Restore selected current options from a structure. */";
+print "void";
+print "cl_target_option_restore (struct cl_target_option *ptr)";
+print "{";
+
+for (i = 0; i < n_target_other; i++) {
+ print " " var_target_other[i] " = ptr->" var_target_other[i] ";";
+}
+
+for (i = 0; i < n_target_int; i++) {
+ print " " var_target_int[i] " = ptr->" var_target_int[i] ";";
+}
+
+for (i = 0; i < n_target_short; i++) {
+ print " " var_target_short[i] " = ptr->" var_target_short[i] ";";
+}
+
+for (i = 0; i < n_target_char; i++) {
+ print " " var_target_char[i] " = ptr->" var_target_char[i] ";";
+}
+
+# This must occur after the normal variables in case the code depends on those
+# variables.
+print "";
+print " if (targetm.target_option.restore)";
+print " targetm.target_option.restore (ptr);";
+
+print "}";
+
+print "";
+print "/* Print optimization options from a structure. */";
+print "void";
+print "cl_target_option_print (FILE *file,";
+print " int indent,";
+print " struct cl_target_option *ptr)";
+print "{";
+
+print " fputs (\"\\n\", file);";
+for (i = 0; i < n_target_other; i++) {
+ print " if (ptr->" var_target_other[i] ")";
+ print " fprintf (file, \"%*s%s (%#lx)\\n\",";
+ print " indent, \"\",";
+ print " \"" var_target_other[i] "\",";
+ print " (unsigned long)ptr->" var_target_other[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_target_int; i++) {
+ print " if (ptr->" var_target_int[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent, \"\",";
+ print " \"" var_target_int[i] "\",";
+ print " ptr->" var_target_int[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_target_short; i++) {
+ print " if (ptr->" var_target_short[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent, \"\",";
+ print " \"" var_target_short[i] "\",";
+ print " ptr->" var_target_short[i] ");";
+ print "";
+}
+
+for (i = 0; i < n_target_char; i++) {
+ print " if (ptr->" var_target_char[i] ")";
+ print " fprintf (file, \"%*s%s (%#x)\\n\",";
+ print " indent, \"\",";
+ print " \"" var_target_char[i] "\",";
+ print " ptr->" var_target_char[i] ");";
+ print "";
+}
+
+print "";
+print " if (targetm.target_option.print)";
+print " targetm.target_option.print (file, indent, ptr);";
+
+print "}";
+print "#endif";
+
}
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