* toplev.c (debug_args, f_options, W_options): Mark

[pf3gnuchains/gcc-fork.git] / gcc / gencodes.c

diff --git a/gcc/gencodes.c b/gcc/gencodes.c
index 3c9bf9c..7e4f964 100644 (file)
--- a/gcc/gencodes.c
+++ b/gcc/gencodes.c
@@ -2,7 +2,7 @@
    - 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 Free Software Foundation, Inc.
+   1999, 2000, 2001 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -32,6 +32,8 @@ Boston, MA 02111-1307, USA.  */
 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)
@@ -45,6 +47,30 @@ gen_insn (insn)
            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];
+  } predicate[] = {
+    PREDICATE_CODES
+  };
+  size_t i;
+
+  putc ('\n', stdout);
+  puts ("struct rtx_def;\n#include \"machmode.h\"\n");
+  for (i = 0; i < sizeof predicate / sizeof *predicate; i++)
+    printf ("extern int %s PARAMS ((struct rtx_def *, enum machine_mode));\n",
+           predicate[i].name);
+  putc ('\n', stdout);
+#endif
+}
+
 extern int main PARAMS ((int, char **));
 
 int
@@ -62,10 +88,10 @@ main (argc, argv)
   if (init_md_reader (argv[1]) != 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'");
+  puts ("   from the machine description file `md'.  */\n");
+  puts ("#ifndef GCC_INSN_CODES_H");
+  puts ("#define GCC_INSN_CODES_H\n");
 
   /* Read the machine description.  */
 
@@ -86,18 +112,40 @@ from the machine description file `md'.  */\n\n");
 
   printf ("  CODE_FOR_nothing = %d };\n", insn_code_number + 1);
 
-  printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n");
+  printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n\n");
+
+  traverse_md_constants (print_md_constant, stdout);
+
+  output_predicate_decls ();
 
-  printf ("#endif /* MAX_INSN_CODE */\n");
+  puts("\n#endif /* GCC_INSN_CODES_H */");
 
-  fflush (stdout);
-  return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
+  if (ferror (stdout) || fflush (stdout) || fclose (stdout))
+    return FATAL_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;
 {
   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;
+}