/* Generate code from machine description to extract operands from insn as rtl.
- Copyright (C) 1987, 1991, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1987, 91, 92, 93, 97, 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include <stdio.h>
#include "hconfig.h"
+#include "system.h"
#include "rtl.h"
#include "obstack.h"
#include "insn-config.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-extern void free ();
-extern rtx read_rtx ();
+/* Names for patterns. Need to allow linking with print-rtl. */
+char **insn_name_ptr;
/* This structure contains all the information needed to describe one
set of extractions methods. Each method may be used by more than
static struct code_ptr *peepholes;
-static void walk_rtx ();
-static void print_path ();
-char *xmalloc ();
-char *xrealloc ();
-static void fatal ();
-static char *copystr ();
+static void gen_insn PROTO ((rtx));
+static void walk_rtx PROTO ((rtx, char *));
+static void print_path PROTO ((char *));
+char *xmalloc PROTO ((unsigned));
+char *xrealloc PROTO ((char *, unsigned));
+static void fatal PVPROTO ((char *, ...))
+ ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+static char *copystr PROTO ((char *));
static void mybzero ();
-void fancy_abort ();
+void fancy_abort PROTO ((void)) ATTRIBUTE_NORETURN;
\f
static void
gen_insn (insn)
link = (struct code_ptr *) xmalloc (sizeof (struct code_ptr));
link->insn_code = insn_code_number;
- /* See if we find something that already had this extraction method. */
+ /* See if we find something that already had this extraction method. */
for (p = extractions; p; p = p->next)
{
register int i;
register int len;
register char *fmt;
- register struct code_ptr *link;
int depth = strlen (path);
char *newpath;
break;
case MATCH_DUP:
- case MATCH_OP_DUP:
case MATCH_PAR_DUP:
duplocs[dup_count] = copystr (path);
dupnums[dup_count] = XINT (x, 0);
dup_count++;
break;
+ case MATCH_OP_DUP:
+ duplocs[dup_count] = copystr (path);
+ dupnums[dup_count] = XINT (x, 0);
+ dup_count++;
+
+ newpath = (char *) alloca (depth + 2);
+ strcpy (newpath, path);
+ newpath[depth + 1] = 0;
+
+ for (i = XVECLEN (x, 1) - 1; i >= 0; i--)
+ {
+ newpath[depth] = '0' + i;
+ walk_rtx (XVECEXP (x, 1, i), newpath);
+ }
+ return;
+
case MATCH_OPERATOR:
oplocs[XINT (x, 0)] = copystr (path);
op_count = MAX (op_count, XINT (x, 0) + 1);
case ADDRESS:
walk_rtx (XEXP (x, 0), path);
return;
+
+ default:
+ break;
}
newpath = (char *) alloca (depth + 2);
register int len = strlen (path);
register int i;
+ if (len == 0)
+ {
+ /* Don't emit "pat", since we may try to take the address of it,
+ which isn't what is intended. */
+ printf("PATTERN (insn)");
+ return;
+ }
+
/* We first write out the operations (XEXP or XVECEXP) in reverse
order, then write "insn", then the indices in forward order. */
}
static void
-fatal (s, a1, a2)
- char *s;
+fatal VPROTO ((char *format, ...))
{
+#ifndef __STDC__
+ char *format;
+#endif
+ va_list ap;
+
+ VA_START (ap, format);
+
+#ifndef __STDC__
+ format = va_arg (ap, char *);
+#endif
+
fprintf (stderr, "genextract: ");
- fprintf (stderr, s, a1, a2);
+ vfprintf (stderr, format, ap);
+ va_end (ap);
fprintf (stderr, "\n");
exit (FATAL_EXIT_CODE);
}
from the machine description file `md'. */\n\n");
printf ("#include \"config.h\"\n");
- printf ("#include \"rtl.h\"\n\n");
+ printf ("#include \"system.h\"\n");
+ printf ("#include \"rtl.h\"\n");
+ printf ("#include \"insn-config.h\"\n");
+ printf ("#include \"recog.h\"\n");
+ printf ("#include \"toplev.h\"\n\n");
/* This variable exists only so it can be the "location"
of any missing operand whose numbers are skipped by a given pattern. */
- printf ("static rtx junk;\n");
-
- printf ("extern rtx recog_operand[];\n");
- printf ("extern rtx *recog_operand_loc[];\n");
- printf ("extern rtx *recog_dup_loc[];\n");
- printf ("extern char recog_dup_num[];\n");
- printf ("extern\n#ifdef __GNUC__\nvolatile\n#endif\n");
- printf ("void fatal_insn_not_found ();\n\n");
+ printf ("static rtx junk ATTRIBUTE_UNUSED;\n");
printf ("void\ninsn_extract (insn)\n");
printf (" rtx insn;\n");
printf (" register rtx *ro = recog_operand;\n");
printf (" register rtx **ro_loc = recog_operand_loc;\n");
printf (" rtx pat = PATTERN (insn);\n");
+ printf (" int i ATTRIBUTE_UNUSED;\n\n");
printf (" switch (INSN_CODE (insn))\n");
printf (" {\n");
printf (" case -1:\n");
/* The vector in the insn says how many operands it has.
And all it contains are operands. In fact, the vector was
created just for the sake of this function. */
- printf ("#if __GNUC__ > 1 && !defined (bcopy)\n");
- printf ("#define bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)\n");
- printf ("#endif\n");
- printf (" bcopy (&XVECEXP (pat, 0, 0), ro,\n");
- printf (" sizeof (rtx) * XVECLEN (pat, 0));\n");
+ printf (" for (i = XVECLEN (pat, 0) - 1; i >= 0; i--)\n");
+ printf (" ro[i] = XVECEXP (pat, 0, i);\n");
printf (" break;\n\n");
}
if (p->oplocs[i] == 0)
{
printf (" ro[%d] = const0_rtx;\n", i);
- printf (" ro_loc[%d] = &junk;\n", i, i);
+ printf (" ro_loc[%d] = &junk;\n", i);
}
else
{