/* Generate from machine description:
- some flags HAVE_... saying which simple standard instructions are
available for this machine.
Copyright (C) 1987 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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 1, or (at your option)
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
struct obstack
*rtl_obstack
= &obstack
;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
/* Don't mention instructions whose names are the null string.
They are in the machine description just to be recognized. */
if (strlen (XSTR (insn
, 0)) == 0)
printf ("#define HAVE_%s (%s)\n", XSTR (insn
, 0),
strlen (XSTR (insn
, 2)) ? XSTR (insn
, 2) : "1");
printf ("extern rtx gen_%s ();\n", XSTR (insn
, 0));
register int val
= malloc (size
);
fatal ("virtual memory exhausted");
int result
= realloc (ptr
, size
);
fatal ("virtual memory exhausted");
fprintf (stderr
, "genflags: ");
fprintf (stderr
, s
, a1
, a2
);
/* More 'friendly' abort that prints the line and file.
config.h can #define abort fancy_abort if you like that sort of thing. */
fatal ("Internal gcc abort.");
obstack_init (rtl_obstack
);
fatal ("No input file name.");
infile
= fopen (argv
[1], "r");
printf ("/* Generated automatically by the program `genflags'\n\
from the machine description file `md'. */\n\n");
/* Read the machine description. */
c
= read_skip_spaces (infile
);
desc
= read_rtx (infile
);
if (GET_CODE (desc
) == DEFINE_INSN
|| GET_CODE (desc
) == DEFINE_EXPAND
)
exit (ferror (stdout
) != 0 ? FATAL_EXIT_CODE
: SUCCESS_EXIT_CODE
);