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-rw-r--r--gcc/genflags.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/gcc/genflags.c b/gcc/genflags.c
deleted file mode 100644
index f8b39833f65..00000000000
--- a/gcc/genflags.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/* Generate from machine description:
-
- - some flags HAVE_... saying which simple standard instructions are
- available for this machine.
- Copyright (C) 1987, 1991, 1995 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 2, or (at your option)
-any later version.
-
-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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-
-#include <stdio.h>
-#include "hconfig.h"
-#include "rtl.h"
-#include "obstack.h"
-
-static struct obstack obstack;
-struct obstack *rtl_obstack = &obstack;
-
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-
-extern void free ();
-extern rtx read_rtx ();
-
-char *xmalloc ();
-static void fatal ();
-void fancy_abort ();
-
-/* Names for patterns. Need to allow linking with print-rtl. */
-char **insn_name_ptr;
-
-/* Obstacks to remember normal, and call insns. */
-static struct obstack call_obstack, normal_obstack;
-
-/* Max size of names encountered. */
-static int max_id_len;
-
-/* Count the number of match_operand's found. */
-
-static int
-num_operands (x)
- rtx x;
-{
- int count = 0;
- int i, j;
- enum rtx_code code = GET_CODE (x);
- char *format_ptr = GET_RTX_FORMAT (code);
-
- if (code == MATCH_OPERAND)
- return 1;
-
- if (code == MATCH_OPERATOR || code == MATCH_PARALLEL)
- count++;
-
- for (i = 0; i < GET_RTX_LENGTH (code); i++)
- {
- switch (*format_ptr++)
- {
- case 'u':
- case 'e':
- count += num_operands (XEXP (x, i));
- break;
-
- case 'E':
- if (XVEC (x, i) != NULL)
- for (j = 0; j < XVECLEN (x, i); j++)
- count += num_operands (XVECEXP (x, i, j));
-
- break;
- }
- }
-
- return count;
-}
-
-/* Print out prototype information for a function. */
-
-static void
-gen_proto (insn)
- rtx insn;
-{
- int num = num_operands (insn);
- printf ("extern rtx gen_%-*s PROTO((", max_id_len, XSTR (insn, 0));
-
- if (num == 0)
- printf ("void");
- else
- {
- while (num-- > 1)
- printf ("rtx, ");
-
- printf ("rtx");
- }
-
- printf ("));\n");
-}
-
-/* Print out a function declaration without a prototype. */
-
-static void
-gen_nonproto (insn)
- rtx insn;
-{
- printf ("extern rtx gen_%s ();\n", XSTR (insn, 0));
-}
-
-static void
-gen_insn (insn)
- rtx insn;
-{
- char *name = XSTR (insn, 0);
- char *p;
- struct obstack *obstack_ptr;
- int len;
-
- /* Don't mention instructions whose names are the null string
- or begin with '*'. They are in the machine description just
- to be recognized. */
- if (name[0] == 0 || name[0] == '*')
- return;
-
- len = strlen (name);
-
- if (len > max_id_len)
- max_id_len = len;
-
- printf ("#define HAVE_%s ", name);
- if (strlen (XSTR (insn, 2)) == 0)
- printf ("1\n");
- else
- {
- /* Write the macro definition, putting \'s at the end of each line,
- if more than one. */
- printf ("(");
- for (p = XSTR (insn, 2); *p; p++)
- {
- if (*p == '\n')
- printf (" \\\n");
- else
- printf ("%c", *p);
- }
- printf (")\n");
- }
-
- /* Save the current insn, so that we can later put out appropriate
- prototypes. At present, most md files have the wrong number of
- arguments for the call insns (call, call_value, call_pop,
- call_value_pop) ignoring the extra arguments that are passed for
- some machines, so by default, turn off the prototype. */
-
- obstack_ptr = (name[0] == 'c'
- && (!strcmp (name, "call")
- || !strcmp (name, "call_value")
- || !strcmp (name, "call_pop")
- || !strcmp (name, "call_value_pop")))
- ? &call_obstack : &normal_obstack;
-
- obstack_grow (obstack_ptr, &insn, sizeof (rtx));
-}
-
-char *
-xmalloc (size)
- unsigned size;
-{
- register char *val = (char *) malloc (size);
-
- if (val == 0)
- fatal ("virtual memory exhausted");
-
- return val;
-}
-
-char *
-xrealloc (ptr, size)
- char *ptr;
- unsigned size;
-{
- char *result = (char *) realloc (ptr, size);
- if (!result)
- fatal ("virtual memory exhausted");
- return result;
-}
-
-static void
-fatal (s, a1, a2)
- char *s;
-{
- fprintf (stderr, "genflags: ");
- fprintf (stderr, s, a1, a2);
- fprintf (stderr, "\n");
- exit (FATAL_EXIT_CODE);
-}
-
-/* More 'friendly' abort that prints the line and file.
- config.h can #define abort fancy_abort if you like that sort of thing. */
-
-void
-fancy_abort ()
-{
- fatal ("Internal gcc abort.");
-}
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- rtx desc;
- rtx dummy;
- rtx *call_insns;
- rtx *normal_insns;
- rtx *insn_ptr;
- FILE *infile;
- register int c;
-
- obstack_init (rtl_obstack);
- obstack_init (&call_obstack);
- obstack_init (&normal_obstack);
-
- if (argc <= 1)
- fatal ("No input file name.");
-
- infile = fopen (argv[1], "r");
- if (infile == 0)
- {
- perror (argv[1]);
- exit (FATAL_EXIT_CODE);
- }
-
- init_rtl ();
-
- printf ("/* Generated automatically by the program `genflags'\n\
-from the machine description file `md'. */\n\n");
-
- /* Read the machine description. */
-
- while (1)
- {
- c = read_skip_spaces (infile);
- if (c == EOF)
- break;
- ungetc (c, infile);
-
- desc = read_rtx (infile);
- if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
- gen_insn (desc);
- }
-
- /* Print out the prototypes now. */
- dummy = (rtx) 0;
- obstack_grow (&call_obstack, &dummy, sizeof (rtx));
- call_insns = (rtx *) obstack_finish (&call_obstack);
-
- obstack_grow (&normal_obstack, &dummy, sizeof (rtx));
- normal_insns = (rtx *) obstack_finish (&normal_obstack);
-
- printf ("\n#ifndef NO_MD_PROTOTYPES\n");
- for (insn_ptr = normal_insns; *insn_ptr; insn_ptr++)
- gen_proto (*insn_ptr);
-
- printf ("\n#ifdef MD_CALL_PROTOTYPES\n");
- for (insn_ptr = call_insns; *insn_ptr; insn_ptr++)
- gen_proto (*insn_ptr);
-
- printf ("\n#else /* !MD_CALL_PROTOTYPES */\n");
- for (insn_ptr = call_insns; *insn_ptr; insn_ptr++)
- gen_nonproto (*insn_ptr);
-
- printf ("#endif /* !MD_CALL_PROTOTYPES */\n");
- printf ("\n#else /* NO_MD_PROTOTYPES */\n");
- for (insn_ptr = normal_insns; *insn_ptr; insn_ptr++)
- gen_nonproto (*insn_ptr);
-
- for (insn_ptr = call_insns; *insn_ptr; insn_ptr++)
- gen_nonproto (*insn_ptr);
-
- printf ("#endif /* NO_MD_PROTOTYPES */\n");
-
- fflush (stdout);
- exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
- /* NOTREACHED */
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 22:26:19 +0000