re PR debug/66691 (ICE on valid code at -O3 with -g enabled in simplify_subreg, at...

[gcc.git] / gcc / genconstants.c

diff --git a/gcc/genconstants.c b/gcc/genconstants.c
index e5f083a36fd370c60abfb5acd4d3955fea014cd8..1d955503a790acaf1fd9630e5854828259301590 100644 (file)
--- a/gcc/genconstants.c
+++ b/gcc/genconstants.c
@@ -2,8 +2,7 @@
    a series of #define statements, one for each constant named in
    a (define_constants ...) pattern.
 
-   Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004,
-   2007  Free Software Foundation, Inc.
+   Copyright (C) 1987-2015 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -28,22 +27,50 @@ along with GCC; see the file COPYING3.  If not see
 #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"
 
 /* Called via traverse_md_constants; emit a #define for
    the current constant definition.  */
 
 static int
-print_md_constant (void **slot, void *info)
+print_md_constant (void **slot, void *info ATTRIBUTE_UNUSED)
 {
   struct md_constant *def = (struct md_constant *) *slot;
-  FILE *file = (FILE *) info;
 
-  fprintf (file, "#define %s %s\n", def->name, def->value);
+  if (!def->parent_enum)
+    printf ("#define %s %s\n", def->name, def->value);
+  return 1;
+}
+
+/* Called via traverse_enums.  Emit an enum definition for
+   enum_type *SLOT.  */
+
+static int
+print_enum_type (void **slot, void *info ATTRIBUTE_UNUSED)
+{
+  struct enum_type *def;
+  struct enum_value *value;
+  char *value_name;
+
+  def = (struct enum_type *) *slot;
+  printf ("\nenum %s {", def->name);
+  for (value = def->values; value; value = value->next)
+    {
+      printf ("\n  %s = %s", value->def->name, value->def->value);
+      if (value->next)
+       putc (',', stdout);
+    }
+  printf ("\n};\n");
+
+  /* Define NUM_<enum>_VALUES to be the largest enum value + 1.  */
+  value_name = ACONCAT (("num_", def->name, "_values", NULL));
+  upcase_string (value_name);
+  printf ("#define %s %d\n", value_name, def->num_values);
+
+  /* Declare the array that is generated by genenum.  */
+  printf ("extern const char *const %s_strings[];\n", def->name);
+
   return 1;
 }
 
@@ -52,7 +79,7 @@ main (int argc, char **argv)
 {
   progname = "genconstants";
 
-  if (!init_rtx_reader_args (argc, argv))
+  if (!read_md_files (argc, argv, NULL, NULL))
     return (FATAL_EXIT_CODE);
 
   /* Initializing the MD reader has the side effect of loading up
@@ -63,7 +90,8 @@ main (int argc, char **argv)
   puts ("#ifndef GCC_INSN_CONSTANTS_H");
   puts ("#define GCC_INSN_CONSTANTS_H\n");
 
-  traverse_md_constants (print_md_constant, stdout);
+  traverse_md_constants (print_md_constant, 0);
+  traverse_enum_types (print_enum_type, 0);
 
   puts ("\n#endif /* GCC_INSN_CONSTANTS_H */");