/* Generate attribute information (insn-attr.h) from machine description.
- Copyright (C) 1991, 1994, 1996, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
#include "hconfig.h"
#include "system.h"
#include "rtl.h"
-#include "obstack.h"
+#include "errors.h"
+#include "gensupport.h"
-static struct obstack obstack;
-struct obstack *rtl_obstack = &obstack;
-
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-
-char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
-
-/* Define this so we can link with print-rtl.o to get debug_rtx function. */
-char **insn_name_ptr = 0;
/* A range of values. */
struct range issue_delay; /* Range of issue delay values. */
};
-static void extend_range PROTO((struct range *, int, int));
-static void init_range PROTO((struct range *));
-static void write_upcase PROTO((char *));
-static void gen_attr PROTO((rtx));
-static void write_units PROTO((int, struct range *, struct range *,
+static void extend_range PARAMS ((struct range *, int, int));
+static void init_range PARAMS ((struct range *));
+static void write_upcase PARAMS ((const char *));
+static void gen_attr PARAMS ((rtx));
+static void write_units PARAMS ((int, struct range *, struct range *,
struct range *, struct range *,
struct range *));
static void
static void
write_upcase (str)
- char *str;
+ const char *str;
{
for (; *str; str++)
- if (*str >= 'a' && *str <= 'z')
- printf ("%c", *str - 'a' + 'A');
- else
- printf ("%c", *str);
+ putchar (TOUPPER(*str));
}
static void
gen_attr (attr)
rtx attr;
{
- char *p;
+ const char *p;
+ int is_const = GET_CODE (XEXP (attr, 2)) == CONST;
printf ("#define HAVE_ATTR_%s\n", XSTR (attr, 0));
/* If numeric attribute, don't need to write an enum. */
if (*XSTR (attr, 1) == '\0')
- printf ("extern int get_attr_%s ();\n", XSTR (attr, 0));
+ printf ("extern int get_attr_%s PARAMS ((%s));\n", XSTR (attr, 0),
+ (is_const ? "void" : "rtx"));
else
{
printf ("enum attr_%s {", XSTR (attr, 0));
write_upcase (XSTR (attr, 0));
printf ("_");
}
- else if (*p >= 'a' && *p <= 'z')
- printf ("%c", *p - 'a' + 'A');
else
- printf ("%c", *p);
+ putchar (TOUPPER(*p));
}
printf ("};\n");
- printf ("extern enum attr_%s get_attr_%s ();\n\n",
- XSTR (attr, 0), XSTR (attr, 0));
+ printf ("extern enum attr_%s get_attr_%s PARAMS ((%s));\n\n",
+ XSTR (attr, 0), XSTR (attr, 0), (is_const ? "void" : "rtx"));
}
/* If `length' attribute, write additional function definitions and define
variables used by `insn_current_length'. */
if (! strcmp (XSTR (attr, 0), "length"))
{
- printf ("extern void init_lengths ();\n");
- printf ("extern void shorten_branches PROTO((rtx));\n");
- printf ("extern int insn_default_length PROTO((rtx));\n");
- printf ("extern int insn_variable_length_p PROTO((rtx));\n");
- printf ("extern int insn_current_length PROTO((rtx));\n\n");
- printf ("extern int *insn_addresses;\n");
- printf ("extern int insn_current_address;\n\n");
+ printf ("extern void shorten_branches PARAMS ((rtx));\n");
+ printf ("extern int insn_default_length PARAMS ((rtx));\n");
+ printf ("extern int insn_variable_length_p PARAMS ((rtx));\n");
+ printf ("extern int insn_current_length PARAMS ((rtx));\n\n");
+ printf ("#include \"insn-addr.h\"\n\n");
}
}
int i, q_size;
printf ("#define INSN_SCHEDULING\n\n");
- printf ("extern int result_ready_cost PROTO((rtx));\n");
- printf ("extern int function_units_used PROTO((rtx));\n\n");
- printf ("extern struct function_unit_desc\n");
+ printf ("extern int result_ready_cost PARAMS ((rtx));\n");
+ printf ("extern int function_units_used PARAMS ((rtx));\n\n");
+ printf ("extern const struct function_unit_desc\n");
printf ("{\n");
- printf (" char *name;\n");
- printf (" int bitmask;\n");
- printf (" int multiplicity;\n");
- printf (" int simultaneity;\n");
- printf (" int default_cost;\n");
- printf (" int max_issue_delay;\n");
- printf (" int (*ready_cost_function) ();\n");
- printf (" int (*conflict_cost_function) ();\n");
- printf (" int max_blockage;\n");
- printf (" unsigned int (*blockage_range_function) ();\n");
- printf (" int (*blockage_function) ();\n");
+ printf (" const char *const name;\n");
+ printf (" const int bitmask;\n");
+ printf (" const int multiplicity;\n");
+ printf (" const int simultaneity;\n");
+ printf (" const int default_cost;\n");
+ printf (" const int max_issue_delay;\n");
+ printf (" int (*const ready_cost_function) PARAMS ((rtx));\n");
+ printf (" int (*const conflict_cost_function) PARAMS ((rtx, rtx));\n");
+ printf (" const int max_blockage;\n");
+ printf (" unsigned int (*const blockage_range_function) PARAMS ((rtx));\n");
+ printf (" int (*const blockage_function) PARAMS ((rtx, rtx));\n");
printf ("} function_units[];\n\n");
printf ("#define FUNCTION_UNITS_SIZE %d\n", num_units);
printf ("#define MIN_MULTIPLICITY %d\n", multiplicity->min);
printf ("#define INSN_QUEUE_SIZE %d\n", q_size);
}
-char *
-xmalloc (size)
- unsigned size;
-{
- register char *val = (char *) malloc (size);
-
- if (val == 0)
- fatal ("virtual memory exhausted");
- return val;
-}
-
-char *
-xrealloc (ptr, size)
- char *ptr;
- unsigned size;
-{
- char * result = (char *) realloc (ptr, size);
- if (!result)
- fatal ("virtual memory exhausted");
- return result;
-}
-
-static void
-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, "genattr: ");
- vfprintf (stderr, format, ap);
- va_end (ap);
- fprintf (stderr, "\n");
- exit (FATAL_EXIT_CODE);
-}
+extern int main PARAMS ((int, char **));
-/* More 'friendly' abort that prints the line and file.
- config.h can #define abort fancy_abort if you like that sort of thing. */
-
-void
-fancy_abort ()
-{
- fatal ("Internal gcc abort.");
-}
-\f
int
main (argc, argv)
int argc;
char **argv;
{
rtx desc;
- FILE *infile;
- register int c;
int have_delay = 0;
int have_annul_true = 0;
int have_annul_false = 0;
init_range (&all_issue_delay);
init_range (&all_blockage);
- obstack_init (rtl_obstack);
+ progname = "genattr";
if (argc <= 1)
- fatal ("No input file name.");
+ fatal ("no input file name");
- infile = fopen (argv[1], "r");
- if (infile == 0)
- {
- perror (argv[1]);
- exit (FATAL_EXIT_CODE);
- }
-
- init_rtl ();
+ if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
+ return (FATAL_EXIT_CODE);
- printf ("/* Generated automatically by the program `genattr'\n\
-from the machine description file `md'. */\n\n");
+ puts ("/* Generated automatically by the program `genattr'");
+ puts (" from the machine description file `md'. */\n");
+ puts ("#ifndef GCC_INSN_ATTR_H");
+ puts ("#define GCC_INSN_ATTR_H\n");
/* For compatibility, define the attribute `alternative', which is just
a reference to the variable `which_alternative'. */
- printf ("#define HAVE_ATTR_alternative\n");
- printf ("#define get_attr_alternative(insn) which_alternative\n");
+ puts ("#define HAVE_ATTR_alternative");
+ puts ("#define get_attr_alternative(insn) which_alternative");
/* Read the machine description. */
while (1)
{
- c = read_skip_spaces (infile);
- if (c == EOF)
+ int line_no, insn_code_number;
+
+ desc = read_md_rtx (&line_no, &insn_code_number);
+ if (desc == NULL)
break;
- ungetc (c, infile);
- desc = read_rtx (infile);
if (GET_CODE (desc) == DEFINE_ATTR)
gen_attr (desc);
if (! have_delay)
{
printf ("#define DELAY_SLOTS\n");
- printf ("extern int num_delay_slots PROTO((rtx));\n");
- printf ("extern int eligible_for_delay PROTO((rtx, int, rtx, int));\n\n");
- printf ("extern int const_num_delay_slots PROTO((rtx));\n\n");
+ printf ("extern int num_delay_slots PARAMS ((rtx));\n");
+ printf ("extern int eligible_for_delay PARAMS ((rtx, int, rtx, int));\n\n");
+ printf ("extern int const_num_delay_slots PARAMS ((rtx));\n\n");
have_delay = 1;
}
if (XVECEXP (desc, 1, i + 1) && ! have_annul_true)
{
printf ("#define ANNUL_IFTRUE_SLOTS\n");
- printf ("extern int eligible_for_annul_true ();\n");
+ printf ("extern int eligible_for_annul_true PARAMS ((rtx, int, rtx, int));\n");
have_annul_true = 1;
}
if (XVECEXP (desc, 1, i + 2) && ! have_annul_false)
{
printf ("#define ANNUL_IFFALSE_SLOTS\n");
- printf ("extern int eligible_for_annul_false ();\n");
+ printf ("extern int eligible_for_annul_false PARAMS ((rtx, int, rtx, int));\n");
have_annul_false = 1;
}
}
else if (GET_CODE (desc) == DEFINE_FUNCTION_UNIT)
{
- char *name = XSTR (desc, 0);
+ const char *name = XSTR (desc, 0);
int multiplicity = XINT (desc, 1);
int simultaneity = XINT (desc, 2);
int ready_cost = MAX (XINT (desc, 4), 1);
if (unit == 0)
{
- int len = strlen (name) + 1;
unit = (struct function_unit *)
- alloca (sizeof (struct function_unit));
- unit->name = (char *) alloca (len);
- bcopy (name, unit->name, len);
+ xmalloc (sizeof (struct function_unit));
+ unit->name = xstrdup (name);
unit->multiplicity = multiplicity;
unit->simultaneity = simultaneity;
unit->ready_cost.min = unit->ready_cost.max = ready_cost;
}
else if (unit->multiplicity != multiplicity
|| unit->simultaneity != simultaneity)
- fatal ("Differing specifications given for `%s' function unit.",
+ fatal ("Differing specifications given for `%s' function unit",
unit->name);
extend_range (&unit->ready_cost, ready_cost, ready_cost);
printf("#define ATTR_FLAG_unlikely\t0x10\n");
printf("#define ATTR_FLAG_very_unlikely\t0x20\n");
- fflush (stdout);
- exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
- /* NOTREACHED */
- return 0;
+ puts("\n#endif /* GCC_INSN_ATTR_H */");
+
+ if (ferror (stdout) || fflush (stdout) || fclose (stdout))
+ return FATAL_EXIT_CODE;
+
+ return 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;
}
OSDN Git Service
