- some macros CODE_FOR_... giving the insn_code_number value
for each of the defined standard insn names.
Copyright (C) 1987, 1991, 1995, 1998,
- 1999, 2000, 2001 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-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.
+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 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.
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
-#include "hconfig.h"
+#include "bconfig.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "rtl.h"
#include "errors.h"
#include "gensupport.h"
-
-static int insn_code_number;
-
-static void gen_insn PARAMS ((rtx));
-static void output_predicate_decls PARAMS ((void));
-static int print_md_constant PARAMS ((void **, void *));
-
static void
-gen_insn (insn)
- rtx insn;
+gen_insn (rtx insn, int code)
{
+ const char *name = XSTR (insn, 0);
+ int truth = maybe_eval_c_test (XSTR (insn, 2));
+
/* Don't mention instructions whose names are the null string
or begin with '*'. They are in the machine description just
to be recognized. */
- if (XSTR (insn, 0)[0] != 0 && XSTR (insn, 0)[0] != '*')
- printf (" CODE_FOR_%s = %d,\n", XSTR (insn, 0),
- insn_code_number);
-}
-
-/* Print out declarations for all predicates mentioned in
- PREDICATE_CODES. */
-
-static void
-output_predicate_decls ()
-{
-#ifdef PREDICATE_CODES
- static struct {
- const char *name;
- RTX_CODE codes[NUM_RTX_CODE];
- } *p, predicate[] = {
- PREDICATE_CODES
- {NULL, {}}
- };
-
- putc ('\n', stdout);
- puts ("struct rtx_def;\n#include \"machmode.h\"\n");
- for (p = predicate; p->name; p++)
- printf ("extern int %s PARAMS ((struct rtx_def *, enum machine_mode));\n",
- p->name);
- putc ('\n', stdout);
-#endif
+ if (name[0] != 0 && name[0] != '*')
+ {
+ if (truth == 0)
+ printf ("#define CODE_FOR_%s CODE_FOR_nothing\n", name);
+ else
+ printf (" CODE_FOR_%s = %d,\n", name, code);
+ }
}
-extern int main PARAMS ((int, char **));
-
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
rtx desc;
progname = "gencodes";
+ /* We need to see all the possibilities. Elided insns may have
+ direct references to CODE_FOR_xxx in C code. */
+ insn_elision = 0;
+
if (argc <= 1)
- fatal ("No input file name.");
+ fatal ("no input file name");
- if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE)
+ if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
return (FATAL_EXIT_CODE);
- printf ("/* Generated automatically by the program `gencodes'\n\
-from the machine description file `md'. */\n\n");
-
- printf ("#ifndef MAX_INSN_CODE\n\n");
+ puts ("\
+/* Generated automatically by the program `gencodes'\n\
+ from the machine description file `md'. */\n\
+\n\
+#ifndef GCC_INSN_CODES_H\n\
+#define GCC_INSN_CODES_H\n\
+\n\
+enum insn_code {");
/* Read the machine description. */
- insn_code_number = 0;
- printf ("enum insn_code {\n");
-
while (1)
{
int line_no;
+ int insn_code_number;
desc = read_md_rtx (&line_no, &insn_code_number);
if (desc == NULL)
break;
if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
- gen_insn (desc);
+ gen_insn (desc, insn_code_number);
}
- printf (" CODE_FOR_nothing = %d };\n", insn_code_number + 1);
-
- printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n\n");
-
- traverse_md_constants (print_md_constant, stdout);
-
- output_predicate_decls ();
+ puts (" CODE_FOR_nothing\n\
+};\n\
+\n\
+#endif /* GCC_INSN_CODES_H */");
- printf ("\n#endif /* MAX_INSN_CODE */\n");
+ if (ferror (stdout) || fflush (stdout) || fclose (stdout))
+ return FATAL_EXIT_CODE;
- fflush (stdout);
- return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
+ return SUCCESS_EXIT_CODE;
}
/* Define this so we can link with print-rtl.o to get debug_rtx function. */
const char *
-get_insn_name (code)
- int code ATTRIBUTE_UNUSED;
+get_insn_name (int code ATTRIBUTE_UNUSED)
{
return NULL;
}
-
-/* Called via traverse_md_constants; emit a #define for
- the current constant definition. */
-
-static int
-print_md_constant (slot, info)
- void **slot;
- void *info;
-{
- struct md_constant *def = *slot;
- FILE *file = info;
-
- fprintf (file, "#define %s %s\n", def->name, def->value);
- return 1;
-}
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