* config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
Turn into define_insn_and_split.
+
+ * sched-deps.c: Include "cselib.h".
+ (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
+ Use cselib to turn memory addresses into VALUEs.
+ (sched_analyze): Call cselib_init/cselib_finish if necessary.
+ * sched-int.h (struct sched_info): New member USE_CSELIB.
+ * sched-ebb.c (ebb_sched_info): Initialize it.
+ * sched-rgn.c (rgn_sched_info): Likewise.
+ * Makefile.in (sched-deps.o): Update dependencies.
2001-08-08 Graham Stott <grahams@redhat.com>
#include "recog.h"
#include "sched-int.h"
#include "params.h"
+#include "cselib.h"
extern char *reg_known_equiv_p;
extern rtx *reg_known_value;
link = alloc_INSN_LIST (insn, *insn_list);
*insn_list = link;
+ if (current_sched_info->use_cselib)
+ {
+ mem = shallow_copy_rtx (mem);
+ XEXP (mem, 0) = cselib_subst_to_values (XEXP (mem, 0));
+ }
link = alloc_EXPR_LIST (VOIDmode, mem, *mem_list);
*mem_list = link;
else if (GET_CODE (dest) == MEM)
{
/* Writing memory. */
+ rtx t = dest;
+
+ if (current_sched_info->use_cselib)
+ {
+ t = shallow_copy_rtx (dest);
+ cselib_lookup (XEXP (t, 0), Pmode, 1);
+ XEXP (t, 0) = cselib_subst_to_values (XEXP (t, 0));
+ }
if (deps->pending_lists_length > MAX_PENDING_LIST_LENGTH)
{
pending_mem = deps->pending_read_mems;
while (pending)
{
- if (anti_dependence (XEXP (pending_mem, 0), dest))
+ if (anti_dependence (XEXP (pending_mem, 0), t))
add_dependence (insn, XEXP (pending, 0), REG_DEP_ANTI);
pending = XEXP (pending, 1);
pending_mem = deps->pending_write_mems;
while (pending)
{
- if (output_dependence (XEXP (pending_mem, 0), dest))
+ if (output_dependence (XEXP (pending_mem, 0), t))
add_dependence (insn, XEXP (pending, 0), REG_DEP_OUTPUT);
pending = XEXP (pending, 1);
/* Reading memory. */
rtx u;
rtx pending, pending_mem;
+ rtx t = x;
+ if (current_sched_info->use_cselib)
+ {
+ t = shallow_copy_rtx (t);
+ cselib_lookup (XEXP (t, 0), Pmode, 1);
+ XEXP (t, 0) = cselib_subst_to_values (XEXP (t, 0));
+ }
pending = deps->pending_read_insns;
pending_mem = deps->pending_read_mems;
while (pending)
{
- if (read_dependence (XEXP (pending_mem, 0), x))
+ if (read_dependence (XEXP (pending_mem, 0), t))
add_dependence (insn, XEXP (pending, 0), REG_DEP_ANTI);
pending = XEXP (pending, 1);
while (pending)
{
if (true_dependence (XEXP (pending_mem, 0), VOIDmode,
- x, rtx_varies_p))
+ t, rtx_varies_p))
add_dependence (insn, XEXP (pending, 0), 0);
pending = XEXP (pending, 1);
register rtx u;
rtx loop_notes = 0;
+ if (current_sched_info->use_cselib)
+ cselib_init ();
+
for (insn = head;; insn = NEXT_INSN (insn))
{
if (GET_CODE (insn) == INSN || GET_CODE (insn) == JUMP_INSN)
CONST_OR_PURE_CALL_P (loop_notes) = CONST_OR_PURE_CALL_P (insn);
}
+ if (current_sched_info->use_cselib)
+ cselib_process_insn (insn);
if (insn == tail)
- return;
+ {
+ if (current_sched_info->use_cselib)
+ cselib_finish ();
+ return;
+ }
}
abort ();
}