Daily bump.

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

diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index a64235a..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, 1989, 1992, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1989, 1992, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -23,6 +24,7 @@ Boston, MA 02111-1307, USA.  */
 #include "system.h"
 #include "rtl.h"
 #include "obstack.h"
+#include "errors.h"
 
 static struct obstack obstack;
 struct obstack *rtl_obstack = &obstack;
@@ -43,11 +45,6 @@ struct link
   int vecelt;
 };
 
-char *xmalloc PROTO((unsigned));
-static void match_rtx PROTO((rtx, struct link *, int));
-static void fatal ();
-void fancy_abort PROTO((void));
-
 static int max_opno;
 
 /* Number of operands used in current peephole definition.  */
@@ -59,8 +56,10 @@ static int n_operands;
 
 static int insn_code_number = 0;
 
-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)
@@ -155,7 +154,7 @@ match_rtx (x, path, fail_label)
   register RTX_CODE code;
   register int i;
   register int len;
-  register char *fmt;
+  register const char *fmt;
   struct link link;
 
   if (x == 0)
@@ -370,57 +369,39 @@ static void
 print_code (code)
      RTX_CODE code;
 {
-  register char *p1;
+  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
-char *
+PTR
 xmalloc (size)
-     unsigned size;
+  size_t size;
 {
-  register char *val = (char *) malloc (size);
+  register PTR val = (PTR) malloc (size);
 
   if (val == 0)
     fatal ("virtual memory exhausted");
   return val;
 }
 
-char *
-xrealloc (ptr, size)
-     char *ptr;
-     unsigned size;
+PTR
+xrealloc (old, size)
+  PTR old;
+  size_t size;
 {
-  char *result = (char *) realloc (ptr, size);
-  if (!result)
+  register PTR ptr;
+  if (old)
+    ptr = (PTR) realloc (old, size);
+  else
+    ptr = (PTR) malloc (size);
+  if (!ptr)
     fatal ("virtual memory exhausted");
-  return result;
-}
-
-static void
-fatal (s, a1, a2)
-     char *s;
-{
-  fprintf (stderr, "genpeep: ");
-  fprintf (stderr, s, a1, a2);
-  fprintf (stderr, "\n");
-  exit (FATAL_EXIT_CODE);
+  return ptr;
 }
 
-/* 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.");
-}
-\f
 int
 main (argc, argv)
      int argc;
@@ -432,6 +413,7 @@ main (argc, argv)
 
   max_opno = -1;
 
+  progname = "genpeep";
   obstack_init (rtl_obstack);
 
   if (argc <= 1)
@@ -441,27 +423,31 @@ 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");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\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");
+  printf ("#include \"recog.h\"\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");
 
   printf ("rtx\npeephole (ins1)\n     rtx ins1;\n{\n");
-  printf ("  rtx insn, x, pat;\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");
@@ -497,9 +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;
 }