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

diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index 9b6c492..fd1357d 100644 (file)
--- a/gcc/genpeep.c
+++ b/gcc/genpeep.c
@@ -1,5 +1,6 @@
 /* Generate code from machine description to perform peephole optimizations.
-   Copyright (C) 1987, 89, 92, 97, 98, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1989, 1992, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -31,9 +32,6 @@ 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,
@@ -58,10 +56,10 @@ static int n_operands;
 
 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 PARAMS ((rtx));
+static void match_rtx PARAMS ((rtx, struct link *, int));
+static void print_path PARAMS ((struct link *));
+static void print_code PARAMS ((RTX_CODE));
 \f
 static void
 gen_peephole (peep)
@@ -373,12 +371,7 @@ print_code (code)
 {
   register const char *p1;
   for (p1 = GET_RTX_NAME (code); *p1; p1++)
-    {
-      if (*p1 >= 'a' && *p1 <= 'z')
-       putchar (*p1 + 'A' - 'a');
-      else
-       putchar (*p1);
-    }
+    putchar (TOUPPER(*p1));
 }
 \f
 PTR
@@ -407,6 +400,8 @@ xrealloc (old, size)
   return ptr;
 }
 
+extern int main PARAMS ((int, char **));
+
 int
 main (argc, argv)
      int argc;
@@ -428,10 +423,9 @@ main (argc, argv)
   if (infile == 0)
     {
       perror (argv[1]);
-      exit (FATAL_EXIT_CODE);
+      return (FATAL_EXIT_CODE);
     }
-
-  init_rtl ();
+  read_rtx_filename = argv[1];
 
   printf ("/* Generated automatically by the program `genpeep'\n\
 from the machine description file `md'.  */\n\n");
@@ -440,6 +434,7 @@ from the machine description file `md'.  */\n\n");
   printf ("#include \"system.h\"\n");
   printf ("#include \"insn-config.h\"\n");
   printf ("#include \"rtl.h\"\n");
+  printf ("#include \"tm_p.h\"\n");
   printf ("#include \"regs.h\"\n");
   printf ("#include \"output.h\"\n");
   printf ("#include \"real.h\"\n");
@@ -447,6 +442,7 @@ from the machine description file `md'.  */\n\n");
   printf ("#include \"except.h\"\n\n");
   printf ("#include \"function.h\"\n\n");
 
+  printf ("#ifdef HAVE_peephole\n");
   printf ("extern rtx peep_operand[];\n\n");
   printf ("#define operands peep_operand\n\n");
 
@@ -487,9 +483,16 @@ from the machine description file `md'.  */\n\n");
     max_opno = 1;
 
   printf ("rtx peep_operand[%d];\n", max_opno + 1);
+  printf ("#endif\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;
 }