/* 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.
Boston, MA 02111-1307, USA. */
-#include <stdio.h>
#include "hconfig.h"
+#include "system.h"
#include "rtl.h"
#include "obstack.h"
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
+#include "errors.h"
static struct obstack obstack;
struct obstack *rtl_obstack = &obstack;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-#ifdef NEED_DECLARATION_FREE
-extern void free ();
-#endif
-extern rtx read_rtx ();
-
/* 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,
int vecelt;
};
-char *xmalloc ();
-static void match_rtx ();
-static void fatal ();
-void fancy_abort ();
-
static int max_opno;
/* Number of operands used in current peephole definition. */
static int insn_code_number = 0;
-static void print_path ();
-static void print_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)
register RTX_CODE code;
register int i;
register int len;
- register char *fmt;
+ register const char *fmt;
struct link link;
if (x == 0)
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;
+ return ptr;
}
-static void
-fatal (s, a1, a2)
- char *s;
-{
- fprintf (stderr, "genpeep: ");
- 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.");
-}
-\f
int
main (argc, argv)
int argc;
max_opno = -1;
+ progname = "genpeep";
obstack_init (rtl_obstack);
if (argc <= 1)
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\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");
- printf (" int i;\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");
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;
}