/* Instruction scheduling pass.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
and currently maintained by, Jim Wilson (wilson@cygnus.com)
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+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. */
\f
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "toplev.h"
#include "rtl.h"
#include "tm_p.h"
#include "hard-reg-set.h"
#include "basic-block.h"
#include "insn-attr.h"
+#include "real.h"
#include "sched-int.h"
#include "target.h"
static int target_units = 0;
-static char *safe_concat PARAMS ((char *, char *, const char *));
-static int get_visual_tbl_length PARAMS ((void));
-static void print_exp PARAMS ((char *, rtx, int));
-static void print_value PARAMS ((char *, rtx, int));
-static void print_pattern PARAMS ((char *, rtx, int));
-static void print_insn PARAMS ((char *, rtx, int));
+static char *safe_concat (char *, char *, const char *);
+static int get_visual_tbl_length (void);
+static void print_exp (char *, rtx, int);
+static void print_value (char *, rtx, int);
+static void print_pattern (char *, rtx, int);
/* Print names of units on which insn can/should execute, for debugging. */
void
-insn_print_units (insn)
- rtx insn;
+insn_print_units (rtx insn)
{
int i;
int unit = insn_unit (insn);
#define MAX_VISUAL_NO_UNIT 20
rtx vis_no_unit[MAX_VISUAL_NO_UNIT];
-/* Finds units that are in use in this fuction. Required only
+/* Finds units that are in use in this function. Required only
for visualization. */
void
-init_target_units ()
+init_target_units (void)
{
rtx insn;
int unit;
/* Return the length of the visualization table. */
static int
-get_visual_tbl_length ()
+get_visual_tbl_length (void)
{
int unit, i;
int n, n1;
char *s;
- if (targetm.sched.use_dfa_pipeline_interface)
+ if (targetm.sched.use_dfa_pipeline_interface
+ && (*targetm.sched.use_dfa_pipeline_interface) ())
{
visual_tbl_line_length = 1;
return 1; /* Can't return 0 because that will cause problems
/* Init block visualization debugging info. */
void
-init_block_visualization ()
+init_block_visualization (void)
{
strcpy (visual_tbl, "");
n_visual_lines = 0;
#define BUF_LEN 2048
static char *
-safe_concat (buf, cur, str)
- char *buf;
- char *cur;
- const char *str;
+safe_concat (char *buf, char *cur, const char *str)
{
char *end = buf + BUF_LEN - 2; /* Leave room for null. */
int c;
may be stored in objects representing values. */
static void
-print_exp (buf, x, verbose)
- char *buf;
- rtx x;
- int verbose;
+print_exp (char *buf, rtx x, int verbose)
{
char tmp[BUF_LEN];
const char *st[4];
fun = "trap_if";
op[0] = TRAP_CONDITION (x);
break;
+ case PREFETCH:
+ fun = "prefetch";
+ op[0] = XEXP (x, 0);
+ op[1] = XEXP (x, 1);
+ op[2] = XEXP (x, 2);
+ break;
case UNSPEC:
case UNSPEC_VOLATILE:
{
cur = safe_concat (buf, cur, ")");
} /* print_exp */
-/* Prints rtxes, I customly classified as values. They're constants,
+/* Prints rtxes, I customarily classified as values. They're constants,
registers, labels, symbols and memory accesses. */
static void
-print_value (buf, x, verbose)
- char *buf;
- rtx x;
- int verbose;
+print_value (char *buf, rtx x, int verbose)
{
char t[BUF_LEN];
char *cur = buf;
cur = safe_concat (buf, cur, t);
break;
case CONST_DOUBLE:
- sprintf (t, "<0x%lx,0x%lx>", (long) XWINT (x, 2), (long) XWINT (x, 3));
+ if (FLOAT_MODE_P (GET_MODE (x)))
+ real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1);
+ else
+ sprintf (t, "<0x%lx,0x%lx>", (long) XWINT (x, 2), (long) XWINT (x, 3));
cur = safe_concat (buf, cur, t);
break;
case CONST_STRING:
if (REGNO (x) < FIRST_PSEUDO_REGISTER)
{
int c = reg_names[REGNO (x)][0];
- if (c >= '0' && c <= '9')
+ if (ISDIGIT (c))
cur = safe_concat (buf, cur, "%");
cur = safe_concat (buf, cur, reg_names[REGNO (x)]);
/* The next step in insn detalization, its pattern recognition. */
static void
-print_pattern (buf, x, verbose)
- char *buf;
- rtx x;
- int verbose;
+print_pattern (char *buf, rtx x, int verbose)
{
char t1[BUF_LEN], t2[BUF_LEN], t3[BUF_LEN];
&& XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
print_value (t1, XEXP (COND_EXEC_TEST (x), 0), verbose);
else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
- && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
- {
+ && XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
+ {
t1[0] = '!';
print_value (t1 + 1, XEXP (COND_EXEC_TEST (x), 0), verbose);
}
else
- print_value (t1, COND_EXEC_TEST (x), verbose);
+ print_value (t1, COND_EXEC_TEST (x), verbose);
print_pattern (t2, COND_EXEC_CODE (x), verbose);
sprintf (buf, "(%s) %s", t1, t2);
break;
}
break;
case SEQUENCE:
- {
- int i;
-
- sprintf (t1, "%%{");
- for (i = 0; i < XVECLEN (x, 0); i++)
- {
- print_insn (t2, XVECEXP (x, 0, i), verbose);
- sprintf (t3, "%s%s;", t1, t2);
- strcpy (t1, t3);
- }
- sprintf (buf, "%s%%}", t1);
- }
+ /* Should never see SEQUENCE codes until after reorg. */
+ abort ();
break;
case ASM_INPUT:
sprintf (buf, "asm {%s}", XSTR (x, 0));
(Probably the last "option" should be extended somehow, since it
depends now on sched.c inner variables ...) */
-static void
-print_insn (buf, x, verbose)
- char *buf;
- rtx x;
- int verbose;
+void
+print_insn (char *buf, rtx x, int verbose)
{
char t[BUF_LEN];
rtx insn = x;
description should never use the following function. */
void
-print_block_visualization (s)
- const char *s;
+print_block_visualization (const char *s)
{
int unit, i;
/* Print insns in the 'no_unit' column of visualization. */
void
-visualize_no_unit (insn)
- rtx insn;
+visualize_no_unit (rtx insn)
{
if (n_vis_no_unit < MAX_VISUAL_NO_UNIT)
{
/* Print insns scheduled in clock, for visualization. */
void
-visualize_scheduled_insns (clock)
- int clock;
+visualize_scheduled_insns (int clock)
{
int i, unit;
/* Print stalled cycles. */
void
-visualize_stall_cycles (stalls)
- int stalls;
+visualize_stall_cycles (int stalls)
{
- const char *prefix = ";; ";
+ static const char *const prefix = ";; ";
const char *suffix = "\n";
char *p;
strcpy (p, prefix);
p += strlen (prefix);
- if ((unsigned)stalls >
+ if ((unsigned) stalls >
visual_tbl_line_length - strlen (prefix) - strlen (suffix))
{
suffix = "[...]\n";
/* Allocate data used for visualization during scheduling. */
void
-visualize_alloc ()
+visualize_alloc (void)
{
visual_tbl = xmalloc (get_visual_tbl_length ());
}
/* Free data used for visualization. */
void
-visualize_free ()
+visualize_free (void)
{
free (visual_tbl);
}
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