X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgenattr.c;h=6a593edeb21ad5b5849ea53d4d83a42e5e94b3f9;hb=7b1c3aaeedf9ffb0c2cc71fb6748f0beb1901384;hp=6137851cf78f296e74e8d7ab6c74a460a8d6df1c;hpb=64ed3494275a554ba8ba70a24db07c9360c8b6df;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/genattr.c b/gcc/genattr.c
index 6137851cf78..6a593edeb21 100644
--- a/gcc/genattr.c
+++ b/gcc/genattr.c
@@ -1,6 +1,6 @@
 /* Generate attribute information (insn-attr.h) from machine description.
-   Copyright (C) 1991 Free Software Foundation, Inc.
-   Contributed by Richard Kenner (kenner@nyu.edu)
+   Copyright (C) 1991, 1994, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
+   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
 This file is part of GNU CC.
 
@@ -16,27 +16,16 @@ 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.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 
-#include <stdio.h>
 #include "hconfig.h"
+#include "system.h"
 #include "rtl.h"
-#include "obstack.h"
+#include "errors.h"
+#include "gensupport.h"
 
-static struct obstack obstack;
-struct obstack *rtl_obstack = &obstack;
-
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-
-extern void free PROTO((void *));
-extern int atoi PROTO((char *));
-extern rtx read_rtx PROTO((FILE *));
-
-char *xmalloc PROTO((unsigned));
-static void fatal ();
-void fancy_abort PROTO((void));
 
 /* A range of values.  */
 
@@ -60,6 +49,13 @@ struct function_unit
   struct range issue_delay;	/* Range of issue delay values.  */
 };
 
+static void extend_range PARAMS ((struct range *, int, int));
+static void init_range PARAMS ((struct range *));
+static void write_upcase PARAMS ((const char *));
+static void gen_attr PARAMS ((rtx));
+static void write_units PARAMS ((int, struct range *, struct range *,
+			       struct range *, struct range *,
+			       struct range *));
 static void
 extend_range (range, min, max)
      struct range *range;
@@ -80,26 +76,25 @@ init_range (range)
 
 static void
 write_upcase (str)
-    char *str;
+    const char *str;
 {
   for (; *str; str++)
-    if (*str >= 'a' && *str <= 'z')
-      printf ("%c", *str - 'a' + 'A');
-    else
-      printf ("%c", *str);
+    putchar (TOUPPER(*str));
 }
 
 static void
 gen_attr (attr)
      rtx attr;
 {
-  char *p;
+  const char *p;
+  int is_const = GET_CODE (XEXP (attr, 2)) == CONST;  
 
   printf ("#define HAVE_ATTR_%s\n", XSTR (attr, 0));
 
   /* If numeric attribute, don't need to write an enum.  */
   if (*XSTR (attr, 1) == '\0')
-    printf ("extern int get_attr_%s ();\n", XSTR (attr, 0));
+    printf ("extern int get_attr_%s PARAMS ((%s));\n", XSTR (attr, 0),
+	    (is_const ? "void" : "rtx"));
   else
     {
       printf ("enum attr_%s {", XSTR (attr, 0));
@@ -114,26 +109,23 @@ gen_attr (attr)
 	      write_upcase (XSTR (attr, 0));
 	      printf ("_");
 	    }
-	  else if (*p >= 'a' && *p <= 'z')
-	    printf ("%c", *p - 'a' + 'A');
 	  else
-	    printf ("%c", *p);
+	    putchar (TOUPPER(*p));
 	}
 
       printf ("};\n");
-      printf ("extern enum attr_%s get_attr_%s ();\n\n",
-	      XSTR (attr, 0), XSTR (attr, 0));
+      printf ("extern enum attr_%s get_attr_%s PARAMS ((%s));\n\n",
+	      XSTR (attr, 0), XSTR (attr, 0), (is_const ? "void" : "rtx"));
     }
 
   /* If `length' attribute, write additional function definitions and define
      variables used by `insn_current_length'.  */
   if (! strcmp (XSTR (attr, 0), "length"))
     {
-      printf ("extern void init_lengths ();\n");
-      printf ("extern void shorten_branches PROTO((rtx));\n");
-      printf ("extern int insn_default_length PROTO((rtx));\n");
-      printf ("extern int insn_variable_length_p PROTO((rtx));\n");
-      printf ("extern int insn_current_length PROTO((rtx));\n\n");
+      printf ("extern void shorten_branches PARAMS ((rtx));\n");
+      printf ("extern int insn_default_length PARAMS ((rtx));\n");
+      printf ("extern int insn_variable_length_p PARAMS ((rtx));\n");
+      printf ("extern int insn_current_length PARAMS ((rtx));\n\n");
       printf ("extern int *insn_addresses;\n");
       printf ("extern int insn_current_address;\n\n");
     }
@@ -152,21 +144,21 @@ write_units (num_units, multiplicity, simultaneity,
   int i, q_size;
 
   printf ("#define INSN_SCHEDULING\n\n");
-  printf ("extern int result_ready_cost PROTO((rtx));\n");
-  printf ("extern int function_units_used PROTO((rtx));\n\n");
+  printf ("extern int result_ready_cost PARAMS ((rtx));\n");
+  printf ("extern int function_units_used PARAMS ((rtx));\n\n");
   printf ("extern struct function_unit_desc\n");
   printf ("{\n");
-  printf ("  char *name;\n");
+  printf ("  const char *name;\n");
   printf ("  int bitmask;\n");
   printf ("  int multiplicity;\n");
   printf ("  int simultaneity;\n");
   printf ("  int default_cost;\n");
   printf ("  int max_issue_delay;\n");
-  printf ("  int (*ready_cost_function) ();\n");
-  printf ("  int (*conflict_cost_function) ();\n");
+  printf ("  int (*ready_cost_function) PARAMS ((rtx));\n");
+  printf ("  int (*conflict_cost_function) PARAMS ((rtx, rtx));\n");
   printf ("  int max_blockage;\n");
-  printf ("  unsigned int (*blockage_range_function) ();\n");
-  printf ("  int (*blockage_function) ();\n");
+  printf ("  unsigned int (*blockage_range_function) PARAMS ((rtx));\n");
+  printf ("  int (*blockage_function) PARAMS ((rtx, rtx));\n");
   printf ("} function_units[];\n\n");
   printf ("#define FUNCTION_UNITS_SIZE %d\n", num_units);
   printf ("#define MIN_MULTIPLICITY %d\n", multiplicity->min);
@@ -191,55 +183,14 @@ write_units (num_units, multiplicity, simultaneity,
   printf ("#define INSN_QUEUE_SIZE %d\n", q_size);
 }
 
-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, "genattr: ");
-  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.  */
+extern int main PARAMS ((int, char **));
 
-void
-fancy_abort ()
-{
-  fatal ("Internal gcc abort.");
-}
-
 int
 main (argc, argv)
      int argc;
      char **argv;
 {
   rtx desc;
-  FILE *infile;
-  register int c;
   int have_delay = 0;
   int have_annul_true = 0;
   int have_annul_false = 0;
@@ -255,19 +206,13 @@ main (argc, argv)
   init_range (&all_issue_delay);
   init_range (&all_blockage);
 
-  obstack_init (rtl_obstack);
+  progname = "genattr";
 
   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 ();
+  if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE)
+    return (FATAL_EXIT_CODE);
 
   printf ("/* Generated automatically by the program `genattr'\n\
 from the machine description file `md'.  */\n\n");
@@ -275,14 +220,6 @@ from the machine description file `md'.  */\n\n");
   /* For compatibility, define the attribute `alternative', which is just
      a reference to the variable `which_alternative'.  */
 
-  printf("#ifndef PROTO\n");
-  printf("#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)\n");
-  printf("#define PROTO(ARGS) ARGS\n");
-  printf("#else\n");
-  printf("#define PROTO(ARGS) ()\n");
-  printf("#endif\n");
-  printf("#endif\n");
-
   printf ("#define HAVE_ATTR_alternative\n");
   printf ("#define get_attr_alternative(insn) which_alternative\n");
      
@@ -290,12 +227,12 @@ from the machine description file `md'.  */\n\n");
 
   while (1)
     {
-      c = read_skip_spaces (infile);
-      if (c == EOF)
+      int line_no, insn_code_number;
+
+      desc = read_md_rtx (&line_no, &insn_code_number);
+      if (desc == NULL)
 	break;
-      ungetc (c, infile);
 
-      desc = read_rtx (infile);
       if (GET_CODE (desc) == DEFINE_ATTR)
 	gen_attr (desc);
 
@@ -304,9 +241,9 @@ from the machine description file `md'.  */\n\n");
 	  if (! have_delay)
 	    {
 	      printf ("#define DELAY_SLOTS\n");
-	      printf ("extern int num_delay_slots PROTO((rtx));\n");
-	      printf ("extern int eligible_for_delay PROTO((rtx, int, rtx, int));\n\n");
-	      printf ("extern int const_num_delay_slots PROTO((rtx));\n\n");
+	      printf ("extern int num_delay_slots PARAMS ((rtx));\n");
+	      printf ("extern int eligible_for_delay PARAMS ((rtx, int, rtx, int));\n\n");
+	      printf ("extern int const_num_delay_slots PARAMS ((rtx));\n\n");
 	      have_delay = 1;
 	    }
 
@@ -315,14 +252,14 @@ from the machine description file `md'.  */\n\n");
 	      if (XVECEXP (desc, 1, i + 1) && ! have_annul_true)
 		{
 		  printf ("#define ANNUL_IFTRUE_SLOTS\n");
-		  printf ("extern int eligible_for_annul_true ();\n");
+		  printf ("extern int eligible_for_annul_true PARAMS ((rtx, int, rtx, int));\n");
 		  have_annul_true = 1;
 		}
 
 	      if (XVECEXP (desc, 1, i + 2) && ! have_annul_false)
 		{
 		  printf ("#define ANNUL_IFFALSE_SLOTS\n");
-		  printf ("extern int eligible_for_annul_false ();\n");
+		  printf ("extern int eligible_for_annul_false PARAMS ((rtx, int, rtx, int));\n");
 		  have_annul_false = 1;
 		}
 	    }
@@ -330,7 +267,7 @@ from the machine description file `md'.  */\n\n");
 
       else if (GET_CODE (desc) == DEFINE_FUNCTION_UNIT)
 	{
-	  char *name = XSTR (desc, 0);
+	  const char *name = XSTR (desc, 0);
 	  int multiplicity = XINT (desc, 1);
 	  int simultaneity = XINT (desc, 2);
 	  int ready_cost = MAX (XINT (desc, 4), 1);
@@ -391,7 +328,6 @@ from the machine description file `md'.  */\n\n");
       for (unit = units; unit; unit = unit->next)
 	{
 	  struct range blockage;
-	  int max_issue_time = MAX (unit->issue_delay.max, 1);
 
 	  blockage = unit->issue_delay;
 	  blockage.max = MAX (unit->ready_cost.max
@@ -427,7 +363,13 @@ from the machine description file `md'.  */\n\n");
   printf("#define ATTR_FLAG_very_unlikely\t0x20\n");
 
   fflush (stdout);
-  exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
-  /* NOTREACHED */
-  return 0;
+  return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : 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;
 }