summaryrefslogtreecommitdiffstats
path: root/contrib/gcc/genpeep.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/gcc/genpeep.c')
-rw-r--r--contrib/gcc/genpeep.c66
1 files changed, 41 insertions, 25 deletions
diff --git a/contrib/gcc/genpeep.c b/contrib/gcc/genpeep.c
index ba2328d..ab65df7 100644
--- a/contrib/gcc/genpeep.c
+++ b/contrib/gcc/genpeep.c
@@ -1,5 +1,5 @@
/* Generate code from machine description to perform peephole optimizations.
- Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1989, 1992, 1997, 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -19,8 +19,13 @@ the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <stdio.h>
#include "hconfig.h"
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+#include "system.h"
#include "rtl.h"
#include "obstack.h"
@@ -30,8 +35,8 @@ struct obstack *rtl_obstack = &obstack;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-extern void free ();
-extern rtx read_rtx ();
+/* 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
@@ -46,11 +51,9 @@ struct link
int vecelt;
};
-char *xmalloc ();
-static void match_rtx ();
-static void gen_exp ();
-static void fatal ();
-void fancy_abort ();
+char *xmalloc PROTO((unsigned));
+static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
+void fancy_abort PROTO((void));
static int max_opno;
@@ -63,8 +66,10 @@ static int n_operands;
static int insn_code_number = 0;
-static void print_path ();
-static void print_code ();
+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 (peep)
@@ -123,7 +128,7 @@ gen_peephole (peep)
So use a simple regular form: a PARALLEL containing a vector
of all the operands. */
- printf (" PATTERN (ins1) = gen_rtx (PARALLEL, VOIDmode, gen_rtvec_v (%d, operands));\n", n_operands);
+ printf (" PATTERN (ins1) = gen_rtx_PARALLEL (VOIDmode, gen_rtvec_v (%d, operands));\n", n_operands);
#if 0
printf (" if (want_jump && GET_CODE (ins1) != JUMP_INSN)\n");
@@ -264,6 +269,9 @@ match_rtx (x, path, fail_label)
case ADDRESS:
match_rtx (XEXP (x, 0), path, fail_label);
return;
+
+ default:
+ break;
}
printf (" x = ");
@@ -323,13 +331,9 @@ match_rtx (x, path, fail_label)
printf (";\n");
}
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
- printf (" if (XWINT (x, %d) != %d) goto L%d;\n",
- i, XWINT (x, i), fail_label);
-#else
- printf (" if (XWINT (x, %d) != %ld) goto L%d;\n",
- i, XWINT (x, i), fail_label);
-#endif
+ printf (" if (XWINT (x, %d) != ", i);
+ printf (HOST_WIDE_INT_PRINT_DEC, XWINT (x, i));
+ printf (") goto L%d;\n", fail_label);
}
else if (fmt[i] == 's')
{
@@ -408,11 +412,22 @@ xrealloc (ptr, size)
}
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, "genpeep: ");
- fprintf (stderr, s, a1, a2);
+ vfprintf (stderr, format, ap);
+ va_end (ap);
fprintf (stderr, "\n");
exit (FATAL_EXIT_CODE);
}
@@ -455,17 +470,18 @@ main (argc, argv)
from the machine description file `md'. */\n\n");
printf ("#include \"config.h\"\n");
+ printf ("#include \"system.h\"\n");
printf ("#include \"rtl.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 \"except.h\"\n\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");
OpenPOWER on IntegriCloud