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#include <vector>
#include <string>
#include <set>
#include <stdio.h>
#include "riscv-opts.h"
struct version_t
{
int major;
int minor;
version_t (int major, int minor,
enum riscv_isa_spec_class spec = ISA_SPEC_CLASS_NONE)
: major (major), minor (minor)
{}
bool operator<(const version_t &other) const
{
if (major != other.major)
return major < other.major;
return minor < other.minor;
}
bool operator== (const version_t &other) const
{
return major == other.major && minor == other.minor;
}
};
static void
print_ext_doc_entry (const std::string &ext_name, const std::string &full_name,
const std::string &desc,
const std::vector<version_t> &supported_versions)
{
// Implementation of the function to print the documentation entry
// for the extension.
std::set<version_t> unique_versions;
for (const auto &version : supported_versions)
unique_versions.insert (version);
printf ("@item %s\n", ext_name.c_str ());
printf ("@tab");
for (const auto &version : unique_versions)
{
printf (" %d.%d", version.major, version.minor);
}
printf ("\n");
printf ("@tab %s", full_name.c_str ());
if (desc.size ())
printf (", %s", desc.c_str ());
printf ("\n\n");
}
int
main ()
{
puts ("; Target options for the RISC-V port of the compiler");
puts (";");
puts ("; Copyright (C) 2025 Free Software Foundation, Inc.");
puts (";");
puts ("; This file is part of GCC.");
puts (";");
puts (
"; GCC is free software; you can redistribute it and/or modify it under");
puts (
"; the terms of the GNU General Public License as published by the Free");
puts (
"; Software Foundation; either version 3, or (at your option) any later");
puts ("; version.");
puts (";");
puts ("; GCC is distributed in the hope that it will be useful, but WITHOUT");
puts ("; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY");
puts ("; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public");
puts ("; License for more details.");
puts (";");
puts ("; You should have received a copy of the GNU General Public License");
puts ("; along with GCC; see the file COPYING3. If not see ");
puts ("; <http://www.gnu.org/licenses/>.");
puts ("; This file is generated automatically using");
puts ("; gcc/config/riscv/gen-riscv-ext-opt.cc from:");
puts ("; gcc/config/riscv/riscv-ext.def");
puts ("");
puts ("; Please *DO NOT* edit manually.");
std::set<std::string> all_vars;
#define DEFINE_RISCV_EXT(NAME, UPPERCAE_NAME, FULL_NAME, DESC, URL, DEP_EXTS, \
SUPPORTED_VERSIONS, FLAG_GROUP, BITMASK_GROUP_ID, \
BITMASK_BIT_POSITION, EXTRA_EXTENSION_FLAGS) \
all_vars.insert ("riscv_" #FLAG_GROUP "_subext");
#include "riscv-ext.def"
#undef DEFINE_RISCV_EXT
for (auto var : all_vars)
{
puts ("TargetVariable");
printf ("int %s\n\n", var.c_str ());
}
#define DEFINE_RISCV_EXT(NAME, UPPERCAE_NAME, FULL_NAME, DESC, URL, DEP_EXTS, \
SUPPORTED_VERSIONS, FLAG_GROUP, BITMASK_GROUP_ID, \
BITMASK_BIT_POSITION, EXTRA_EXTENSION_FLAGS) \
puts ("Mask(" #UPPERCAE_NAME ") Var(riscv_" #FLAG_GROUP "_subext)\n");
#include "riscv-ext.def"
#undef DEFINE_RISCV_EXT
return 0;
}
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