2013-02-15 Vladimir Makarov <vmakarov@redhat.com>

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

diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index 5e22ec0..81bd9df 100644 (file)
--- a/gcc/genpeep.c
+++ b/gcc/genpeep.c
@@ -1,12 +1,11 @@
 /* Generate code from machine description to perform peephole optimizations.
-   Copyright (C) 1987, 1989, 1992, 1997, 1998,
-   1999, 2000, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1987-2013 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
 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
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,9 +14,8 @@ 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 GCC; 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 
 #include "bconfig.h"
@@ -48,18 +46,13 @@ static int max_opno;
 
 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 (rtx);
+static void gen_peephole (rtx, int);
 static void match_rtx (rtx, struct link *, int);
 static void print_path (struct link *);
 static void print_code (RTX_CODE);
 \f
 static void
-gen_peephole (rtx peep)
+gen_peephole (rtx peep, int insn_code_number)
 {
   int ninsns = XVECLEN (peep, 0);
   int i;
@@ -75,13 +68,13 @@ gen_peephole (rtx peep)
          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 ("  while (NOTE_P (insn)\n");
+         printf ("\t || (NONJUMP_INSN_P (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",
+         printf ("  if (LABEL_P (insn)\n\
+      || BARRIER_P (insn))\n    goto L%d;\n",
                  insn_code_number);
        }
 
@@ -232,10 +225,6 @@ match_rtx (rtx x, struct link *path, int fail_label)
        }
       return;
 
-    case ADDRESS:
-      match_rtx (XEXP (x, 0), path, fail_label);
-      return;
-
     default:
       break;
     }
@@ -359,10 +348,7 @@ main (int argc, char **argv)
 
   progname = "genpeep";
 
-  if (argc <= 1)
-    fatal ("no input file name");
-
-  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
+  if (!init_rtx_reader_args (argc, argv))
     return (FATAL_EXIT_CODE);
 
   printf ("/* Generated automatically by the program `genpeep'\n\
@@ -377,45 +363,38 @@ from the machine description file `md'.  */\n\n");
   printf ("#include \"tm_p.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 ("#include \"function.h\"\n\n");
+  printf ("#include \"except.h\"\n");
+  printf ("#include \"function.h\"\n");
+  printf ("#include \"diagnostic-core.h\"\n");
+  printf ("#include \"flags.h\"\n");
+  printf ("#include \"tm-constrs.h\"\n\n");
 
   printf ("#ifdef HAVE_peephole\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\npeephole (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 ("      && BARRIER_P (NEXT_INSN (ins1)))\n");
   printf ("    return 0;\n\n");
 
   /* Read the machine description.  */
 
   while (1)
     {
-      int line_no, rtx_number = 0;
+      int line_no;
+      int insn_code_number;
 
-      desc = read_md_rtx (&line_no, &rtx_number);
+      desc = read_md_rtx (&line_no, &insn_code_number);
       if (desc == NULL)
        break;
 
-       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
-         || GET_CODE (desc) == DEFINE_PEEPHOLE2)
-       {
-         insn_code_number++;
-       }
+      if (GET_CODE (desc) == DEFINE_PEEPHOLE)
+       gen_peephole (desc, insn_code_number);
     }
 
   printf ("  return 0;\n}\n\n");
@@ -429,10 +408,3 @@ from the machine description file `md'.  */\n\n");
   fflush (stdout);
   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 (int code ATTRIBUTE_UNUSED)
-{
-  return NULL;
-}