1 files changed, 0 insertions, 526 deletions
diff --git a/contrib/gcc/genpeep.c b/contrib/gcc/genpeep.c
deleted file mode 100644
index 65ba963c056e..000000000000
--- a/contrib/gcc/genpeep.c
+++ /dev/null
@@ -1,526 +0,0 @@
-/* Generate code from machine description to perform peephole optimizations.
-   Copyright (C) 1987, 89, 92, 97, 98, 1999 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 "hconfig.h"
-#include "system.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
-
-/* Define this so we can link with print-rtl.o to get debug_rtx function.  */
-char **insn_name_ptr = 0;
-
-/* While tree-walking an instruction pattern, we keep a chain
-   of these `struct link's to record how to get down to the
-   current position.  In each one, POS is the operand number,
-   and if the operand is a vector VEC is the element number.
-   VEC is -1 if the operand is not a vector.  */
-
-struct link
-{
-  struct link *next;
-  int pos;
-  int vecelt;
-};
-
-void fatal PVPROTO ((const char *, ...))
-  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
-void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
-
-static int max_opno;
-
-/* Number of operands used in current peephole definition.  */
-
-static int n_operands;
-
-/* Peephole optimizations get insn codes just like insn patterns.
-   Count them so we know the code of the define_peephole we are handling.  */
-
-static int insn_code_number = 0;
-
-static void gen_peephole PROTO((rtx));
-static void match_rtx PROTO((rtx, struct link *, int));
-static void print_path PROTO((struct link *));
-static void print_code PROTO((RTX_CODE));
-
-static void
-gen_peephole (peep)
-     rtx peep;
-{
-  int ninsns = XVECLEN (peep, 0);
-  int i;
-
-  n_operands = 0;
-
-  printf ("  insn = ins1;\n");
-#if 0
-  printf ("  want_jump = 0;\n");
-#endif
-
-  for (i = 0; i < ninsns; i++)
-    {
-      if (i > 0)
-	{
-	  printf ("  do { insn = NEXT_INSN (insn);\n");
-	  printf ("       if (insn == 0) goto L%d; }\n",
-		  insn_code_number);
-	  printf ("  while (GET_CODE (insn) == NOTE\n");
-	  printf ("\t || (GET_CODE (insn) == INSN\n");
-	  printf ("\t     && (GET_CODE (PATTERN (insn)) == USE\n");
-	  printf ("\t\t || GET_CODE (PATTERN (insn)) == CLOBBER)));\n");
-
-	  printf ("  if (GET_CODE (insn) == CODE_LABEL\n\
-      || GET_CODE (insn) == BARRIER)\n    goto L%d;\n",
-  		  insn_code_number);
-	}
-
-#if 0
-      printf ("  if (GET_CODE (insn) == JUMP_INSN)\n");
-      printf ("    want_jump = JUMP_LABEL (insn);\n");
-#endif
-
-      printf ("  pat = PATTERN (insn);\n");
-
-      /* Walk the insn's pattern, remembering at all times the path
-	 down to the walking point.  */
-
-      match_rtx (XVECEXP (peep, 0, i), NULL_PTR, insn_code_number);
-    }
-
-  /* We get this far if the pattern matches.
-     Now test the extra condition.  */
-
-  if (XSTR (peep, 1) && XSTR (peep, 1)[0])
-    printf ("  if (! (%s)) goto L%d;\n",
-	    XSTR (peep, 1), insn_code_number);
-
-  /* If that matches, construct new pattern and put it in the first insn.
-     This new pattern will never be matched.
-     It exists only so that insn-extract can get the operands back.
-     So use a simple regular form: a PARALLEL containing a vector
-     of all the operands.  */
-
-  printf ("  PATTERN (ins1) = gen_rtx_PARALLEL (VOIDmode, gen_rtvec_v (%d, operands));\n", n_operands);
-
-#if 0
-  printf ("  if (want_jump && GET_CODE (ins1) != JUMP_INSN)\n");
-  printf ("    {\n");
-  printf ("      rtx insn2 = emit_jump_insn_before (PATTERN (ins1), ins1);\n");
-  printf ("      delete_insn (ins1);\n");
-  printf ("      ins1 = ins2;\n");
-  printf ("    }\n");
-#endif
-
-  /* Record this define_peephole's insn code in the insn,
-     as if it had been recognized to match this.  */
-  printf ("  INSN_CODE (ins1) = %d;\n",
-	  insn_code_number);
-
-  /* Delete the remaining insns.  */
-  if (ninsns > 1)
-    printf ("  delete_for_peephole (NEXT_INSN (ins1), insn);\n");
-
-  /* See reload1.c for insertion of NOTE which guarantees that this
-     cannot be zero.  */
-  printf ("  return NEXT_INSN (insn);\n");
-
-  printf (" L%d:\n\n", insn_code_number);
-}
-
-static void
-match_rtx (x, path, fail_label)
-     rtx x;
-     struct link *path;
-     int fail_label;
-{
-  register RTX_CODE code;
-  register int i;
-  register int len;
-  register char *fmt;
-  struct link link;
-
-  if (x == 0)
-    return;
-
-
-  code = GET_CODE (x);
-
-  switch (code)
-    {
-    case MATCH_OPERAND:
-      if (XINT (x, 0) > max_opno)
-	max_opno = XINT (x, 0);
-      if (XINT (x, 0) >= n_operands)
-	n_operands = 1 + XINT (x, 0);
-
-      printf ("  x = ");
-      print_path (path);
-      printf (";\n");
-
-      printf ("  operands[%d] = x;\n", XINT (x, 0));
-      if (XSTR (x, 1) && XSTR (x, 1)[0])
-	printf ("  if (! %s (x, %smode)) goto L%d;\n",
-		XSTR (x, 1), GET_MODE_NAME (GET_MODE (x)), fail_label);
-      return;
-
-    case MATCH_DUP:
-    case MATCH_PAR_DUP:
-      printf ("  x = ");
-      print_path (path);
-      printf (";\n");
-
-      printf ("  if (!rtx_equal_p (operands[%d], x)) goto L%d;\n",
-	      XINT (x, 0), fail_label);
-      return;
-
-    case MATCH_OP_DUP:
-      printf ("  x = ");
-      print_path (path);
-      printf (";\n");
-
-      printf ("  if (GET_CODE (operands[%d]) != GET_CODE (x)\n", XINT (x, 0));
-      printf ("      || GET_MODE (operands[%d]) != GET_MODE (x)) goto L%d;\n",
-	      XINT (x, 0), fail_label);
-      printf ("  operands[%d] = x;\n", XINT (x, 0));
-      link.next = path;
-      link.vecelt = -1;
-      for (i = 0; i < XVECLEN (x, 1); i++)
-	{
-	  link.pos = i;
-	  match_rtx (XVECEXP (x, 1, i), &link, fail_label);
-	}
-      return;
-
-    case MATCH_OPERATOR:
-      if (XINT (x, 0) > max_opno)
-	max_opno = XINT (x, 0);
-      if (XINT (x, 0) >= n_operands)
-	n_operands = 1 + XINT (x, 0);
-
-      printf ("  x = ");
-      print_path (path);
-      printf (";\n");
-
-      printf ("  operands[%d] = x;\n", XINT (x, 0));
-      if (XSTR (x, 1) && XSTR (x, 1)[0])
-	printf ("  if (! %s (x, %smode)) goto L%d;\n",
-		XSTR (x, 1), GET_MODE_NAME (GET_MODE (x)), fail_label);
-      link.next = path;
-      link.vecelt = -1;
-      for (i = 0; i < XVECLEN (x, 2); i++)
-	{
-	  link.pos = i;
-	  match_rtx (XVECEXP (x, 2, i), &link, fail_label);
-	}
-      return;
-
-    case MATCH_PARALLEL:
-      if (XINT (x, 0) > max_opno)
-	max_opno = XINT (x, 0);
-      if (XINT (x, 0) >= n_operands)
-	n_operands = 1 + XINT (x, 0);
-
-      printf ("  x = ");
-      print_path (path);
-      printf (";\n");
-
-      printf ("  if (GET_CODE (x) != PARALLEL) goto L%d;\n", fail_label);
-      printf ("  operands[%d] = x;\n", XINT (x, 0));
-      if (XSTR (x, 1) && XSTR (x, 1)[0])
-	printf ("  if (! %s (x, %smode)) goto L%d;\n",
-		XSTR (x, 1), GET_MODE_NAME (GET_MODE (x)), fail_label);
-      link.next = path;
-      link.pos = 0;
-      for (i = 0; i < XVECLEN (x, 2); i++)
-	{
-	  link.vecelt = i;
-	  match_rtx (XVECEXP (x, 2, i), &link, fail_label);
-	}
-      return;
-
-    case ADDRESS:
-      match_rtx (XEXP (x, 0), path, fail_label);
-      return;
-      
-    default:
-      break;
-    }
-
-  printf ("  x = ");
-  print_path (path);
-  printf (";\n");
-
-  printf ("  if (GET_CODE (x) != ");
-  print_code (code);
-  printf (") goto L%d;\n", fail_label);
-
-  if (GET_MODE (x) != VOIDmode)
-    {
-      printf ("  if (GET_MODE (x) != %smode) goto L%d;\n",
-	      GET_MODE_NAME (GET_MODE (x)), fail_label);
-    }
-
-  link.next = path;
-  link.vecelt = -1;
-  fmt = GET_RTX_FORMAT (code);
-  len = GET_RTX_LENGTH (code);
-  for (i = 0; i < len; i++)
-    {
-      link.pos = i;
-      if (fmt[i] == 'e' || fmt[i] == 'u')
-	match_rtx (XEXP (x, i), &link, fail_label);
-      else if (fmt[i] == 'E')
-	{
-	  int j;
-	  printf ("  if (XVECLEN (x, %d) != %d) goto L%d;\n",
-		  i, XVECLEN (x, i), fail_label);
-	  for (j = 0; j < XVECLEN (x, i); j++)
-	    {
-	      link.vecelt = j;
-	      match_rtx (XVECEXP (x, i, j), &link, fail_label);
-	    }
-	}
-      else if (fmt[i] == 'i')
-	{
-	  /* Make sure that at run time `x' is the RTX we want to test.  */
-	  if (i != 0)
-	    {
-	      printf ("  x = ");
-	      print_path (path);
-	      printf (";\n");
-	    }
-
-	  printf ("  if (XINT (x, %d) != %d) goto L%d;\n",
-		  i, XINT (x, i), fail_label);
-	}
-      else if (fmt[i] == 'w')
-	{
-	  /* Make sure that at run time `x' is the RTX we want to test.  */
-	  if (i != 0)
-	    {
-	      printf ("  x = ");
-	      print_path (path);
-	      printf (";\n");
-	    }
-
-	  printf ("  if (XWINT (x, %d) != ", i);
-	  printf (HOST_WIDE_INT_PRINT_DEC, XWINT (x, i));
-	  printf (") goto L%d;\n", fail_label);
-	}
-      else if (fmt[i] == 's')
-	{
-	  /* Make sure that at run time `x' is the RTX we want to test.  */
-	  if (i != 0)
-	    {
-	      printf ("  x = ");
-	      print_path (path);
-	      printf (";\n");
-	    }
-
-	  printf ("  if (strcmp (XSTR (x, %d), \"%s\")) goto L%d;\n",
-		  i, XSTR (x, i), fail_label);
-	}
-    }
-}
-
-/* Given a PATH, representing a path down the instruction's
-   pattern from the root to a certain point, output code to
-   evaluate to the rtx at that point.  */
-
-static void
-print_path (path)
-     struct link *path;
-{
-  if (path == 0)
-    printf ("pat");
-  else if (path->vecelt >= 0)
-    {
-      printf ("XVECEXP (");
-      print_path (path->next);
-      printf (", %d, %d)", path->pos, path->vecelt);
-    }
-  else
-    {
-      printf ("XEXP (");
-      print_path (path->next);
-      printf (", %d)", path->pos);
-    }
-}
-
-static void
-print_code (code)
-     RTX_CODE code;
-{
-  register char *p1;
-  for (p1 = GET_RTX_NAME (code); *p1; p1++)
-    {
-      if (*p1 >= 'a' && *p1 <= 'z')
-	putchar (*p1 + 'A' - 'a');
-      else
-	putchar (*p1);
-    }
-}
-
-PTR
-xmalloc (size)
-  size_t size;
-{
-  register PTR val = (PTR) malloc (size);
-
-  if (val == 0)
-    fatal ("virtual memory exhausted");
-  return val;
-}
-
-PTR
-xrealloc (old, size)
-  PTR old;
-  size_t size;
-{
-  register PTR ptr;
-  if (old)
-    ptr = (PTR) realloc (old, size);
-  else
-    ptr = (PTR) malloc (size);
-  if (!ptr)
-    fatal ("virtual memory exhausted");
-  return ptr;
-}
-
-void
-fatal VPROTO ((const char *format, ...))
-{
-#ifndef ANSI_PROTOTYPES
-  const char *format;
-#endif
-  va_list ap;
-
-  VA_START (ap, format);
-
-#ifndef ANSI_PROTOTYPES
-  format = va_arg (ap, const char *);
-#endif
-
-  fprintf (stderr, "genpeep: ");
-  vfprintf (stderr, format, ap);
-  va_end (ap);
-  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;
-  FILE *infile;
-  register int c;
-
-  max_opno = -1;
-
-  obstack_init (rtl_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 `genpeep'\n\
-from the machine description file `md'.  */\n\n");
-
-  printf ("#include \"config.h\"\n");
-  printf ("#include \"system.h\"\n");
-  printf ("#include \"insn-config.h\"\n");
-  printf ("#include \"rtl.h\"\n");
-  printf ("#include \"regs.h\"\n");
-  printf ("#include \"output.h\"\n");
-  printf ("#include \"real.h\"\n");
-  printf ("#include \"recog.h\"\n");
-  printf ("#include \"except.h\"\n\n");
-
-  printf ("extern rtx peep_operand[];\n\n");
-  printf ("#define operands peep_operand\n\n");
-
-  printf ("rtx\npeephole (ins1)\n     rtx ins1;\n{\n");
-  printf ("  rtx insn ATTRIBUTE_UNUSED, x ATTRIBUTE_UNUSED, pat ATTRIBUTE_UNUSED;\n\n");
-
-  /* Early out: no peepholes for insns followed by barriers.  */
-  printf ("  if (NEXT_INSN (ins1)\n");
-  printf ("      && GET_CODE (NEXT_INSN (ins1)) == BARRIER)\n");
-  printf ("    return 0;\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_PEEPHOLE)
-	{
-	  gen_peephole (desc);
-	  insn_code_number++;
-	}
-      if (GET_CODE (desc) == DEFINE_INSN
-	  || GET_CODE (desc) == DEFINE_EXPAND
-	  || GET_CODE (desc) == DEFINE_SPLIT)
-	{
-	  insn_code_number++;
-	}
-    }
-
-  printf ("  return 0;\n}\n\n");
-
-  if (max_opno == -1)
-    max_opno = 1;
-
-  printf ("rtx peep_operand[%d];\n", max_opno + 1);
-
-  fflush (stdout);
-  exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
-  /* NOTREACHED */
-  return 0;
-}