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[pf3gnuchains/gcc-fork.git] / gcc / optc-gen.awk
index 502b23b..e28c397 100644 (file)
 # opt-gather.awk, combines the flags of duplicate options and generates a
 # C file.
 #
-# This program uses functions from opt-functions.awk
+
+# This program uses functions from opt-functions.awk and code from
+# opt-read.awk.
 #
-# Usage: awk -f opt-functions.awk -f optc-gen.awk \
+# Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \
 #            [-v header_name=header.h] < inputfile > options.c
 
-BEGIN {
-       n_opts = 0
-       n_langs = 0
-       n_target_save = 0
-       n_extra_vars = 0
-       n_extra_target_vars = 0
-       n_extra_c_includes = 0
-       n_extra_h_includes = 0
-       n_enums = 0
-       quote = "\042"
-       comma = ","
-       FS=SUBSEP
-       # Default the name of header created from opth-gen.awk to options.h
-       if (header_name == "") header_name="options.h"
-}
-
-# Collect the text and flags of each option into an array
-       {
-               if ($1 == "Language") {
-                       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 if ($1 == "Variable") {
-                       extra_vars[n_extra_vars] = $2
-                       n_extra_vars++
-               }
-               else if ($1 == "TargetVariable") {
-                       # Combination of TargetSave and Variable
-                       extra_vars[n_extra_vars] = $2
-                       n_extra_vars++
-
-                       var = $2
-                       sub(" *=.*", "", var)
-                       orig_var = var
-                       name = var
-                       type = var
-                       sub("^.*[ *]", "", name)
-                       sub(" *" name "$", "", type)
-                       target_save_decl[n_target_save] = type " x_" name
-                       n_target_save++
-
-                       extra_target_vars[n_extra_target_vars] = name
-                       n_extra_target_vars++;
-               }
-               else if ($1 == "HeaderInclude") {
-                       extra_h_includes[n_extra_h_includes++] = $2;
-               }
-               else if ($1 == "SourceInclude")  {
-                       extra_c_includes[n_extra_c_includes++] = $2;
-               }
-               else if ($1 == "Enum") {
-                       props = $2
-                       name = opt_args("Name", props)
-                       type = opt_args("Type", props)
-                       unknown_error = opt_args("UnknownError", props)
-                       enum_names[n_enums] = name
-                       enum_type[name] = type
-                       enum_index[name] = n_enums
-                       enum_unknown_error[name] = unknown_error
-                       enum_help[name] = $3
-                       n_enums++
-               }
-               else if ($1 == "EnumValue")  {
-                       props = $2
-                       enum_name = opt_args("Enum", props)
-                       string = opt_args("String", props)
-                       value = opt_args("Value", props)
-                       val_flags = "0"
-                       val_flags = val_flags \
-                         test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
-                         test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
-                       enum_data[enum_name] = enum_data[enum_name] \
-                         "  { " quote string quote ", " value ", " val_flags \
-                         " },\n"
-               }
-               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 optc-gen.awk.  */"
@@ -128,11 +37,7 @@ for (i = 1; i <= n_headers; i++)
        print "#include " quote headers[i] quote
 print "#include " quote "opts.h" quote
 print "#include " quote "intl.h" quote
-print ""
-print "#ifndef GCC_DRIVER"
-print "#include " quote "flags.h" quote
-print "#include " quote "target.h" quote
-print "#endif /* GCC_DRIVER */"
+print "#include " quote "insn-attr-common.h" quote
 print ""
 
 if (n_extra_c_includes > 0) {
@@ -192,29 +97,23 @@ print "};"
 print "const unsigned int cl_enums_count = " n_enums ";"
 print ""
 
-have_save = 0;
-if (n_extra_target_vars)
-       have_save = 1
-
 print "const struct gcc_options global_options_init =\n{"
 for (i = 0; i < n_extra_vars; i++) {
        var = extra_vars[i]
        init = extra_vars[i]
        if (var ~ "=" ) {
                sub(".*= *", "", init)
-               sub(" *=.*", "", var)
-               sub("^.*[ *]", "", var)
-               sub("\\[.*\\]$", "", var)
        } else {
                init = "0"
        }
-       var_seen[var] = 1
-       print "  " init ", /* " var " */"
+       sub(" *=.*", "", var)
+       name = var
+       sub("^.*[ *]", "", name)
+       sub("\\[.*\\]$", "", name)
+       var_seen[name] = 1
+       print "  " init ", /* " name " */"
 }
 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;
@@ -270,6 +169,9 @@ for (i = 0; i < n_langs; i++) {
 
 print "  0\n};\n"
 print "const unsigned int cl_options_count = N_OPTS;\n"
+print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS"
+print "  #error the number of languages exceeds the implementation limit"
+print "#endif"
 print "const unsigned int cl_lang_count = " n_langs ";\n"
 
 print "const struct cl_option cl_options[] =\n{"
@@ -362,6 +264,11 @@ for (i = 0; i < n_opts; i++) {
                                print "#error Alias with single argument " \
                                        "allowing negative form"
                }
+               if (alias_posarg != "" \
+                   && flag_set_p("NegativeAlias", flags[i])) {
+                       print "#error Alias with multiple arguments " \
+                               "used with NegativeAlias"
+               }
 
                alias_opt = opt_enum(alias_opt)
                if (alias_posarg == "")
@@ -396,375 +303,25 @@ for (i = 0; i < n_opts; i++) {
        printf(" %d,\n", idx)
        condition = opt_args("Condition", flags[i])
        cl_flags = switch_flags(flags[i])
+       cl_bit_fields = switch_bit_fields(flags[i])
+       cl_zero_bit_fields = switch_bit_fields("")
        if (condition != "")
                printf("#if %s\n" \
                       "    %s,\n" \
+                      "    0, %s,\n" \
                       "#else\n" \
-                      "    CL_DISABLED,\n" \
+                      "    0,\n" \
+                      "    1 /* Disabled.  */, %s,\n" \
                       "#endif\n",
-                      condition, cl_flags, cl_flags)
+                      condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
        else
-               printf("    %s,\n", cl_flags)
+               printf("    %s,\n" \
+                      "    0, %s,\n",
+                      cl_flags, cl_bit_fields)
        printf("    %s, %s }%s\n", var_ref(opts[i], flags[i]),
               var_set(flags[i]), comma)
 }
 
 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, struct gcc_options *opts)";
-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] = "optimize";
-var_opt_char[1] = "optimize_size";
-var_opt_range["optimize"] = "0, 255";
-var_opt_range["optimize_size"] = "0, 255";
-var_opt_enum[0] = "flag_fp_contract_mode";
-
-# 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 ~ ("^enum +[_" alnum "]+ *"))
-                       var_opt_enum[n_opt_enum++] = 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 (opts->x_" name ", " var_opt_range[name] "));";
-}
-
-print "";
-for (i = 0; i < n_opt_other; i++) {
-       print "  ptr->x_" var_opt_other[i] " = opts->x_" var_opt_other[i] ";";
-}
-
-for (i = 0; i < n_opt_int; i++) {
-       print "  ptr->x_" var_opt_int[i] " = opts->x_" var_opt_int[i] ";";
-}
-
-for (i = 0; i < n_opt_enum; i++) {
-       print "  ptr->x_" var_opt_enum[i] " = opts->x_" var_opt_enum[i] ";";
-}
-
-for (i = 0; i < n_opt_short; i++) {
-       print "  ptr->x_" var_opt_short[i] " = opts->x_" var_opt_short[i] ";";
-}
-
-for (i = 0; i < n_opt_char; i++) {
-       print "  ptr->x_" var_opt_char[i] " = opts->x_" var_opt_char[i] ";";
-}
-
-print "}";
-
-print "";
-print "/* Restore optimization options from a structure.  */";
-print "void";
-print "cl_optimization_restore (struct gcc_options *opts, struct cl_optimization *ptr)";
-print "{";
-
-for (i = 0; i < n_opt_other; i++) {
-       print "  opts->x_" var_opt_other[i] " = ptr->x_" var_opt_other[i] ";";
-}
-
-for (i = 0; i < n_opt_int; i++) {
-       print "  opts->x_" var_opt_int[i] " = ptr->x_" var_opt_int[i] ";";
-}
-
-for (i = 0; i < n_opt_enum; i++) {
-       print "  opts->x_" var_opt_enum[i] " = ptr->x_" var_opt_enum[i] ";";
-}
-
-for (i = 0; i < n_opt_short; i++) {
-       print "  opts->x_" var_opt_short[i] " = ptr->x_" var_opt_short[i] ";";
-}
-
-for (i = 0; i < n_opt_char; i++) {
-       print "  opts->x_" var_opt_char[i] " = ptr->x_" 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->x_" var_opt_other[i] ")";
-       print "    fprintf (file, \"%*s%s (%#lx)\\n\",";
-       print "             indent_to, \"\",";
-       print "             \"" var_opt_other[i] "\",";
-       print "             (unsigned long)ptr->x_" var_opt_other[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_opt_int; i++) {
-       print "  if (ptr->x_" var_opt_int[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent_to, \"\",";
-       print "             \"" var_opt_int[i] "\",";
-       print "             ptr->x_" var_opt_int[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_opt_enum; i++) {
-       print "  fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "           indent_to, \"\",";
-       print "           \"" var_opt_enum[i] "\",";
-       print "           (int) ptr->x_" var_opt_enum[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_opt_short; i++) {
-       print "  if (ptr->x_" var_opt_short[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent_to, \"\",";
-       print "             \"" var_opt_short[i] "\",";
-       print "             ptr->x_" var_opt_short[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_opt_char; i++) {
-       print "  if (ptr->x_" var_opt_char[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent_to, \"\",";
-       print "             \"" var_opt_char[i] "\",";
-       print "             ptr->x_" 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, struct gcc_options *opts)";
-print "{";
-
-n_target_char = 0;
-n_target_short = 0;
-n_target_int = 0;
-n_target_enum = 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 *$")
-                               var_target_short[n_target_short++] = name;
-
-                       else if (otype ~ ("^enum +[_" alnum "]+ *$"))
-                               var_target_enum[n_target_enum++] = 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 (opts->x_" 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_extra_target_vars; i++) {
-       print "  ptr->x_" extra_target_vars[i] " = opts->x_" extra_target_vars[i] ";";
-}
-
-for (i = 0; i < n_target_other; i++) {
-       print "  ptr->x_" var_target_other[i] " = opts->x_" var_target_other[i] ";";
-}
-
-for (i = 0; i < n_target_enum; i++) {
-       print "  ptr->x_" var_target_enum[i] " = opts->x_" var_target_enum[i] ";";
-}
-
-for (i = 0; i < n_target_int; i++) {
-       print "  ptr->x_" var_target_int[i] " = opts->x_" var_target_int[i] ";";
-}
-
-for (i = 0; i < n_target_short; i++) {
-       print "  ptr->x_" var_target_short[i] " = opts->x_" var_target_short[i] ";";
-}
-
-for (i = 0; i < n_target_char; i++) {
-       print "  ptr->x_" var_target_char[i] " = opts->x_" var_target_char[i] ";";
-}
-
-print "}";
-
-print "";
-print "/* Restore selected current options from a structure.  */";
-print "void";
-print "cl_target_option_restore (struct gcc_options *opts, struct cl_target_option *ptr)";
-print "{";
-
-for (i = 0; i < n_extra_target_vars; i++) {
-       print "  opts->x_" extra_target_vars[i] " = ptr->x_" extra_target_vars[i] ";";
-}
-
-for (i = 0; i < n_target_other; i++) {
-       print "  opts->x_" var_target_other[i] " = ptr->x_" var_target_other[i] ";";
-}
-
-for (i = 0; i < n_target_enum; i++) {
-       print "  opts->x_" var_target_enum[i] " = ptr->x_" var_target_enum[i] ";";
-}
-
-for (i = 0; i < n_target_int; i++) {
-       print "  opts->x_" var_target_int[i] " = ptr->x_" var_target_int[i] ";";
-}
-
-for (i = 0; i < n_target_short; i++) {
-       print "  opts->x_" var_target_short[i] " = ptr->x_" var_target_short[i] ";";
-}
-
-for (i = 0; i < n_target_char; i++) {
-       print "  opts->x_" var_target_char[i] " = ptr->x_" 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->x_" var_target_other[i] ")";
-       print "    fprintf (file, \"%*s%s (%#lx)\\n\",";
-       print "             indent, \"\",";
-       print "             \"" var_target_other[i] "\",";
-       print "             (unsigned long)ptr->x_" var_target_other[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_target_enum; i++) {
-       print "  if (ptr->x_" var_target_enum[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent, \"\",";
-       print "             \"" var_target_enum[i] "\",";
-       print "             ptr->x_" var_target_enum[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_target_int; i++) {
-       print "  if (ptr->x_" var_target_int[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent, \"\",";
-       print "             \"" var_target_int[i] "\",";
-       print "             ptr->x_" var_target_int[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_target_short; i++) {
-       print "  if (ptr->x_" var_target_short[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent, \"\",";
-       print "             \"" var_target_short[i] "\",";
-       print "             ptr->x_" var_target_short[i] ");";
-       print "";
-}
-
-for (i = 0; i < n_target_char; i++) {
-       print "  if (ptr->x_" var_target_char[i] ")";
-       print "    fprintf (file, \"%*s%s (%#x)\\n\",";
-       print "             indent, \"\",";
-       print "             \"" var_target_char[i] "\",";
-       print "             ptr->x_" var_target_char[i] ");";
-       print "";
-}
-
-print "";
-print "  if (targetm.target_option.print)";
-print "    targetm.target_option.print (file, indent, ptr);";
-
-print "}";
-print "#endif";
-
 }