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/* Generate attribute information shared between driver and core
compilers (insn-attr-common.h) from machine description. Split out
of genattr.c.
Copyright (C) 1991-2017 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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 3, or (at your option) any later
version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "bconfig.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
#include "errors.h"
#include "read-md.h"
#include "gensupport.h"
static void
write_upcase (const char *str)
{
for (; *str; str++)
putchar (TOUPPER (*str));
}
static void
gen_attr (md_rtx_info *info)
{
const char *p, *tag;
rtx attr = info->def;
p = XSTR (attr, 1);
if (*p != '\0')
{
printf ("enum attr_%s {", XSTR (attr, 0));
while ((tag = scan_comma_elt (&p)) != 0)
{
write_upcase (XSTR (attr, 0));
putchar ('_');
while (tag != p)
putchar (TOUPPER (*tag++));
if (*p == ',')
fputs (", ", stdout);
}
fputs ("};\n", stdout);
}
}
int
main (int argc, const char **argv)
{
bool have_delay = false;
bool have_sched = false;
progname = "genattr-common";
if (!init_rtx_reader_args (argc, argv))
return (FATAL_EXIT_CODE);
puts ("/* Generated automatically by the program `genattr-common'");
puts (" from the machine description file `md'. */\n");
puts ("#ifndef GCC_INSN_ATTR_COMMON_H");
puts ("#define GCC_INSN_ATTR_COMMON_H\n");
/* Read the machine description. */
md_rtx_info info;
while (read_md_rtx (&info))
switch (GET_CODE (info.def))
{
case DEFINE_ATTR:
gen_attr (&info);
break;
case DEFINE_DELAY:
have_delay = true;
break;
case DEFINE_INSN_RESERVATION:
if (!have_sched)
{
printf ("#define INSN_SCHEDULING\n");
have_sched = true;
}
break;
default:
break;
}
printf ("#define DELAY_SLOTS %d\n", have_delay);
puts ("\n#endif /* GCC_INSN_ATTR_COMMON_H */");
if (ferror (stdout) || fflush (stdout) || fclose (stdout))
return FATAL_EXIT_CODE;
return SUCCESS_EXIT_CODE;
}
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