diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/opth-gen.awk')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/opth-gen.awk | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/opth-gen.awk b/gcc-4.2.1-5666.3/gcc/opth-gen.awk deleted file mode 100644 index f3b3c0324..000000000 --- a/gcc-4.2.1-5666.3/gcc/opth-gen.awk +++ /dev/null @@ -1,298 +0,0 @@ -# Copyright (C) 2003,2004,2005,2006 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 2, 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; if not, write to the Free Software -# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - -# 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 -# Usage: awk -f opt-functions.awk -f opth-gen.awk < inputfile > options.h - -BEGIN { - n_opts = 0 - n_langs = 0 - n_extra_masks = 0 - quote = "\042" - comma = "," - FS=SUBSEP -} - -# Collect the text and flags of each option into an array - { - if ($1 == "Language") { - langs[n_langs] = $2 - n_langs++; - } - else { - name = opt_args("Mask", $1) - if (name == "") { - opts[n_opts] = $1 - flags[n_opts] = $2 - help[n_opts] = $3 - n_opts++; - } - else { - extra_masks[n_extra_masks++] = name - } - } - } - -# Dump out an enumeration into a .h file. -# Combine the flags of duplicate options. -END { -# APPLE LOCAL optimization pragmas 3124235/3420242 -print "/* This file is auto-generated by opth-gen.awk. */" -print "" -print "#ifndef OPTIONS_H" -print "#define OPTIONS_H" -print "" -# APPLE LOCAL begin optimization pragmas 3124235/3420242 -# libgcc2 does not use anything here (it better not), and -# doesn't include HOST_BITS_PER_INT, so won't compile if -# we include the contents normally. -print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)" -# APPLE LOCAL end optimization pragmas 3124235/3420242 -print "extern int target_flags;" -print "" - -for (i = 0; i < n_opts; i++) { - name = var_name(flags[i]); - if (name == "") - continue; - -# APPLE LOCAL begin optimization pragmas 3124235/3420242 - if (!flag_set_p("PerFunc", flags[i])) { - print "extern " var_type(flags[i]) name ";" - } else { - if (flag_set_p("VarExists")) - continue; - print "#define " name " (cl_pf_opts.fld_" name ")" - } -} -print "" - -for (i = 0; i < n_opts; i++) { - name = opt_args("Mask", flags[i]) - vname = var_name(flags[i]) - mask = "MASK_" - if (vname != "") { - mask = "OPTION_MASK_" - } - if (name != "" && !flag_set_p("MaskExists", flags[i])) - print "#define " mask name " (1 << " masknum[vname]++ ")" -} -for (i = 0; i < n_extra_masks; i++) { - print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")" -} - -# APPLE LOCAL begin added -print "/* Nonzero means do optimizations. -O." -print " Particular numeric values stand for particular amounts of optimization;" -print " thus, -O2 stores 2 here. However, the optimizations beyond the basic" -print " ones are not controlled directly by this variable. Instead, they are" -print " controlled by individual `flag_...' variables that are defaulted" -print " based on this variable. */" - -print "#define optimize (cl_pf_opts.fld_optimize)" - -print "" -print "/* Nonzero means optimize for size. -Os." -print " The only valid values are zero and nonzero. When optimize_size is" -print " nonzero, optimize defaults to 2, but certain individual code" -print " bloating optimizations are disabled. */" - -print "#define optimize_size (cl_pf_opts.fld_optimize_size)" -print "" - -print "/* Flags which may be changed per function. */" -count = 0 -print "struct cl_perfunc_opts {" - -for (i = 0; i < n_opts; i++) { - name = var_name(flags[i]); - if (name == "") - continue; - if (flag_set_p("VarExists", flags[i])) - continue; - if (!flag_set_p("PerFunc", flags[i])) - continue; - if (!flag_set_p("VarUint", flags[i])) - { - print " unsigned int fld_" name ":1;" - count++ - } -} - -print " unsigned int fld_optimize_size:1;" -count++ - -# Explicit padding so there are no holes, which might be -# handled strangely by the hashing and comparison functions. -# FIXME: A full word of padding is used in the case where we're -# already at a word boundary; this is currently irrelevant. - -print " unsigned int padding: (HOST_BITS_PER_INT-("count"-(" count "/HOST_BITS_PER_INT)*HOST_BITS_PER_INT));" - -for (i = 0; i < n_opts; i++) { - name = var_name(flags[i]); - if (name == "") - continue; - if (flag_set_p("VarExists", flags[i])) - continue; - if (!flag_set_p("PerFunc", flags[i])) - continue; - if (flag_set_p("VarUint", flags[i])) - print " int fld_" name ";" -} - -print " int fld_optimize;" -print "};" -print "" -print "/* cl_pf_opts changes dynamically as pragmas are handled. */" -print "extern struct cl_perfunc_opts cl_pf_opts;" -print "/* " quote "raw" quote " options are before command line parsing. */" -print "extern struct cl_perfunc_opts cl_pf_opts_raw;" -print "/* " quote "cooked" quote " options are after command line parsing. */" -print "extern struct cl_perfunc_opts cl_pf_opts_cooked;" - -for (i = 0; i < n_opts; i++) { - name = var_name(flags[i]); - if (name == "") - continue; - if (flag_set_p("VarExists", flags[i])) - continue; - if (!flag_set_p("PerFunc", flags[i])) - continue; - if (!flag_set_p("VarUint", flags[i])) - print "extern int cl_opt_access_func_" name " (int, unsigned int);" -} - -print "extern int cl_opt_access_func_optimize_size (int, unsigned int);" -# APPLE LOCAL end added -# APPLE LOCAL end optimization pragmas 3124235/3420242 - -for (var in masknum) { - 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]) - vname = var_name(flags[i]) - macro = "OPTION_" - mask = "OPTION_MASK_" - if (vname == "") { - vname = "target_flags" - macro = "TARGET_" - mask = "MASK_" - } - if (name != "" && !flag_set_p("MaskExists", flags[i])) - print "#define " macro name \ - " ((" vname " & " mask name ") != 0)" -} -for (i = 0; i < n_extra_masks; i++) { - 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]) - macro = "OPTION_" - mask = "OPTION_MASK_" - if (vname == "") { - vname = "target_flags" - macro = "TARGET_" - mask = "MASK_" - } - print "#define " macro nth_arg(1, opt) \ - " ((" vname " & " mask nth_arg(0, opt) ") == 0)" - } -} -print "" - -for (i = 0; i < n_langs; i++) { - macros[i] = "CL_" langs[i] - gsub( "[^A-Za-z0-9_]", "X", macros[i] ) - s = substr(" ", length (macros[i])) - print "#define " macros[i] s " (1 << " i ")" - } -# APPLE LOCAL iframework for 4.3 4094959 -print "#define CL_LANG_ALL ((1 << " n_langs ") - 1)" - -print "" -print "enum opt_code" -print "{" - -for (i = 0; i < n_opts; i++) - back_chain[i] = "N_OPTS"; - -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_" opts[i] - if (opts[i] == "finline-limit=") - enum = enum "eq" - gsub ("[^A-Za-z0-9]", "_", enum) - - # 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 (opts[i])) - if (i + 1 == n_opts) - comma = "" - - if (help[i] == "") - hlp = "0" - else - hlp = "N_(\"" help[i] "\")"; - - print " " enum "," s "/* -" opts[i] " */" -} - -print " N_OPTS" -print "};" -print "" -# APPLE LOCAL optimization pragmas 3124235/3420242 -print "#endif /* IN_LIBGCC2 || IN_TARGET_LIBS */" -print "#endif /* OPTIONS_H */" -} |