/* Generate code from machine description to emit insns as rtl.
- Copyright (C) 1987, 1988, 1991, 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1987, 88, 91, 94, 95, 97, 1998 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"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-extern void free ();
-extern rtx read_rtx ();
+static void fatal PVPROTO ((char *, ...))
+ ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
-char *xmalloc ();
-static void fatal ();
-void fancy_abort ();
+/* Define this so we can link with print-rtl.o to get debug_rtx function. */
+char **insn_name_ptr = 0;
static int max_opno;
static int max_dup_opno;
struct clobber_ent *next;
};
+static void max_operand_1 PROTO((rtx));
+static int max_operand_vec PROTO((rtx, int));
+static void print_code PROTO((RTX_CODE));
+static void gen_exp PROTO((rtx));
+static void gen_insn PROTO((rtx));
+static void gen_expand PROTO((rtx));
+static void gen_split PROTO((rtx));
+static void output_add_clobbers PROTO((void));
+static void output_init_mov_optab PROTO((void));
+
+\f
static void
max_operand_1 (x)
rtx x;
return;
case MATCH_OP_DUP:
- printf ("gen_rtx (GET_CODE (operand%d), GET_MODE (operand%d)",
- XINT (x, 0), XINT (x, 0));
+ printf ("gen_rtx (GET_CODE (operand%d), ", XINT (x, 0));
+ if (GET_MODE (x) == VOIDmode)
+ printf ("GET_MODE (operand%d)", XINT (x, 0));
+ else
+ printf ("%smode", GET_MODE_NAME (GET_MODE (x)));
for (i = 0; i < XVECLEN (x, 1); i++)
{
printf (",\n\t\t");
return;
case MATCH_SCRATCH:
- printf ("gen_rtx (SCRATCH, %smode, 0)", GET_MODE_NAME (GET_MODE (x)));
+ printf ("gen_rtx_SCRATCH (%smode)", GET_MODE_NAME (GET_MODE (x)));
return;
case ADDRESS:
else if (INTVAL (x) == STORE_FLAG_VALUE)
printf ("const_true_rtx");
else
- printf (
-#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
- "GEN_INT (%d)",
-#else
- "GEN_INT (%ld)",
-#endif
- INTVAL (x));
+ {
+ printf ("GEN_INT (");
+ printf (HOST_WIDE_INT_PRINT_DEC, INTVAL (x));
+ printf (")");
+ }
return;
case CONST_DOUBLE:
/* These shouldn't be written in MD files. Instead, the appropriate
routines in varasm.c should be called. */
abort ();
+
+ default:
+ break;
}
- printf ("gen_rtx (");
+ printf ("gen_rtx_");
print_code (code);
- printf (", %smode", GET_MODE_NAME (GET_MODE (x)));
+ printf (" (%smode", GET_MODE_NAME (GET_MODE (x)));
fmt = GET_RTX_FORMAT (code);
len = GET_RTX_LENGTH (code);
/* See if the pattern for this insn ends with a group of CLOBBERs of (hard)
registers or MATCH_SCRATCHes. If so, store away the information for
- later. */
+ later. */
if (XVEC (insn, 1))
{
}
else
{
- printf (" return gen_rtx (PARALLEL, VOIDmode, gen_rtvec (%d", XVECLEN (insn, 1));
+ printf (" return gen_rtx_PARALLEL (VOIDmode, gen_rtvec (%d", XVECLEN (insn, 1));
for (i = 0; i < XVECLEN (insn, 1); i++)
{
printf (",\n\t\t");
/* Call `gen_sequence' to make a SEQUENCE out of all the
insns emitted within this gen_... function. */
- printf (" _done:\n");
printf (" _val = gen_sequence ();\n");
- printf (" _fail:\n");
printf (" end_sequence ();\n");
printf (" return _val;\n}\n\n");
}
/* Like gen_expand, but generates a SEQUENCE. */
+
static void
gen_split (split)
rtx split;
/* Call `gen_sequence' to make a SEQUENCE out of all the
insns emitted within this gen_... function. */
- printf (" _done:\n");
printf (" _val = gen_sequence ();\n");
- printf (" _fail:\n");
printf (" end_sequence ();\n");
printf (" return _val;\n}\n\n");
}
printf ("\n\nvoid\nadd_clobbers (pattern, insn_code_number)\n");
printf (" rtx pattern;\n int insn_code_number;\n");
printf ("{\n");
- printf (" int i;\n\n");
printf (" switch (insn_code_number)\n");
printf (" {\n");
#ifdef EXTRA_CC_NAMES
static char *cc_names[] = { EXTRA_CC_NAMES };
char *p;
- int i;
+ size_t i;
printf ("\nvoid\ninit_mov_optab ()\n{\n");
#endif
}
\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 *
+PTR
xrealloc (ptr, size)
- char *ptr;
- unsigned size;
+ PTR ptr;
+ size_t size;
{
- char *result = (char *) realloc (ptr, size);
+ register PTR result = (PTR) realloc (ptr, size);
if (!result)
fatal ("virtual memory exhausted");
return result;
}
static void
-fatal (s, a1, a2)
- char *s;
+fatal VPROTO ((char *format, ...))
{
+#ifndef ANSI_PROTOTYPES
+ char *format;
+#endif
+ va_list ap;
+
+ VA_START (ap, format);
+
+#ifndef ANSI_PROTOTYPES
+ format = va_arg (ap, char *);
+#endif
+
fprintf (stderr, "genemit: ");
- 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 \"system.h\"\n");
printf ("#include \"rtl.h\"\n");
printf ("#include \"expr.h\"\n");
printf ("#include \"real.h\"\n");
+ printf ("#include \"flags.h\"\n");
printf ("#include \"output.h\"\n");
- printf ("#include \"insn-config.h\"\n\n");
- printf ("#include \"insn-flags.h\"\n\n");
- printf ("#include \"insn-codes.h\"\n\n");
- printf ("extern char *insn_operand_constraint[][MAX_RECOG_OPERANDS];\n\n");
+ printf ("#include \"insn-config.h\"\n");
+ printf ("#include \"insn-flags.h\"\n");
+ printf ("#include \"insn-codes.h\"\n");
+ printf ("#include \"recog.h\"\n");
+ printf ("#include \"reload.h\"\n\n");
printf ("extern rtx recog_operand[];\n");
printf ("#define operands emit_operand\n\n");
- printf ("#define FAIL goto _fail\n\n");
- printf ("#define DONE goto _done\n\n");
+ printf ("#define FAIL return (end_sequence (), _val)\n");
+ printf ("#define DONE return (_val = gen_sequence (), end_sequence (), _val)\n");
/* Read the machine description. */
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