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jeremybenn |
#!/bin/sh
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# Generate mips-tables.opt from the list of CPUs in mips-cpus.def.
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# Copyright (C) 2011 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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cat <<EOF
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; -*- buffer-read-only: t -*-
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; Generated automatically by genopt.sh from mips-cpus.def.
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; Copyright (C) 2011 Free Software Foundation, Inc.
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;
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; This file is part of GCC.
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;
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; GCC is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License as published by the Free
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; Software Foundation; either version 3, or (at your option) any later
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; version.
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;
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; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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; for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with GCC; see the file COPYING3. If not see
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; <http://www.gnu.org/licenses/>.
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Enum
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Name(mips_arch_opt_value) Type(int)
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Known MIPS CPUs (for use with the -march= and -mtune= options):
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Enum
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Name(mips_mips_opt_value) Type(int)
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Known MIPS ISA levels (for use with the -mips option):
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EnumValue
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Enum(mips_arch_opt_value) String(from-abi) Value(MIPS_ARCH_OPTION_FROM_ABI)
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EnumValue
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Enum(mips_arch_opt_value) String(native) Value(MIPS_ARCH_OPTION_NATIVE) DriverOnly
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EOF
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awk -F'[(, ]+' '
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BEGIN {
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value = 0
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}
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# Write an entry for a single string accepted as a -march= argument.
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function write_one_arch_value(name, value, flags)
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{
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print "EnumValue"
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print "Enum(mips_arch_opt_value) String(" name ") Value(" value ")" flags
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print ""
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if (name ~ "^mips") {
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sub("^mips", "", name)
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print "EnumValue"
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print "Enum(mips_mips_opt_value) String(" name ") Value(" value ")"
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print ""
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}
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}
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# The logic for matching CPU name variants should be the same as in GAS.
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# Write an entry for a single string accepted as a -march= argument,
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# plus any variant with a final "000" replaced by "k".
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function write_arch_value_maybe_k(name, value, flags)
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{
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write_one_arch_value(name, value, flags)
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if (name ~ "000$") {
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sub("000$", "k", name)
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write_one_arch_value(name, value, "")
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}
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}
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# Write all the entries for a -march= argument. In addition to
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# replacement of a final "000" with "k", an argument starting with
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# "vr", "rm" or "r" followed by a number, or just a plain number,
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# matches a plain number or "r" followed by a plain number.
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function write_all_arch_values(name, value)
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{
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write_arch_value_maybe_k(name, value, " Canonical")
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cname = name
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if (cname ~ "^vr") {
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sub("^vr", "", cname)
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} else if (cname ~ "^rm") {
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sub("^rm", "", cname)
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} else if (cname ~ "^r") {
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sub("^r", "", cname)
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}
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if (cname ~ "^[0-9]") {
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if (cname != name)
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write_arch_value_maybe_k(cname, value, "")
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rname = "r" cname
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if (rname != name)
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write_arch_value_maybe_k(rname, value, "")
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}
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}
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/^MIPS_CPU/ {
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name = $2
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gsub("\"", "", name)
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write_all_arch_values(name, value)
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value++
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}' $1/mips-cpus.def
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