/* Instruction scheduling pass.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2002 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 "hard-reg-set.h"
#include "basic-block.h"
#include "insn-attr.h"
+#include "real.h"
#include "sched-int.h"
+#include "target.h"
#ifdef INSN_SCHEDULING
/* target_units bitmask has 1 for each unit in the cpu. It should be
But currently it is computed by examining the insn list. Since
this is only needed for visualization, it seems an acceptable
solution. (For understanding the mapping of bits to units, see
- definition of function_units[] in "insn-attrtab.c".) */
+ definition of function_units[] in "insn-attrtab.c".) The scheduler
+ using only DFA description should never use the following variable. */
static int target_units = 0;
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));
/* Print names of units on which insn can/should execute, for debugging. */
#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
int n, n1;
char *s;
+ 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
+ with alloca. */
+ }
+
/* Compute length of one field in line. */
s = (char *) alloca (INSN_LEN + 6);
sprintf (s, " %33s", "uname");
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, 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_VALUE_TYPE r;
+
+ REAL_VALUE_FROM_CONST_DOUBLE (r, x);
+ REAL_VALUE_TO_DECIMAL(r, "%.6e", t);
+ }
+ 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)]);
&& 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
+void
print_insn (buf, x, verbose)
char *buf;
rtx x;
}
} /* print_insn */
-/* Print visualization debugging info. */
+/* Print visualization debugging info. The scheduler using only DFA
+ description should never use the following function. */
void
print_block_visualization (s)
visualize_stall_cycles (stalls)
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";