/* Discovery of auto-inc and auto-dec instructions.
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
This file is part of GCC.
rtx new_mem;
int old_cost = 0;
int new_cost = 0;
+ bool speed = optimize_bb_for_speed_p (bb);
PUT_MODE (mem_tmp, mode);
XEXP (mem_tmp, 0) = new_addr;
- old_cost = rtx_cost (mem, 0)
- + rtx_cost (PATTERN (inc_insn.insn), 0);
- new_cost = rtx_cost (mem_tmp, 0);
+ old_cost = rtx_cost (mem, 0, speed)
+ + rtx_cost (PATTERN (inc_insn.insn), 0, speed);
+ new_cost = rtx_cost (mem_tmp, 0, speed);
/* The first item of business is to see if this is profitable. */
if (old_cost < new_cost)
}
/* Record that this insn has an implicit side effect. */
- REG_NOTES (mem_insn.insn)
- = alloc_EXPR_LIST (REG_INC, inc_reg, REG_NOTES (mem_insn.insn));
+ add_reg_note (mem_insn.insn, REG_INC, inc_reg);
if (dump_file)
{
/* Try to combine the instruction in INC_INSN with the instruction in
MEM_INSN. First the form is determined using the DECISION_TABLE
- and and the results of parsing the INC_INSN and the MEM_INSN.
+ and the results of parsing the INC_INSN and the MEM_INSN.
Assuming the form is ok, a prototype new address is built which is
passed to ATTEMPT_CHANGE for final processing. */
rtx insn;
basic_block bb = BASIC_BLOCK (BLOCK_NUM (mem_insn.insn));
rtx other_insn;
- struct df_ref **def_rec;
+ df_ref *def_rec;
/* Make sure this reg appears only once in this insn. */
if (count_occurrences (PATTERN (mem_insn.insn), mem_insn.reg0, 1) != 1)
assigned to by the mem insn. */
for (def_rec = DF_INSN_DEFS (mem_insn.insn); *def_rec; def_rec++)
{
- struct df_ref *def = *def_rec;
+ df_ref def = *def_rec;
unsigned int regno = DF_REF_REGNO (def);
if ((regno == REGNO (inc_insn.reg0))
|| (regno == REGNO (inc_insn.reg_res)))
and there is noting to update. */
if (DF_INSN_UID_GET(uid))
{
- struct df_ref **def_rec;
- struct df_ref **use_rec;
+ df_ref *def_rec;
+ df_ref *use_rec;
/* Need to update next use. */
for (def_rec = DF_INSN_UID_DEFS (uid); *def_rec; def_rec++)
{
- struct df_ref *def = *def_rec;
+ df_ref def = *def_rec;
reg_next_use[DF_REF_REGNO (def)] = NULL;
reg_next_inc_use[DF_REF_REGNO (def)] = NULL;
reg_next_def[DF_REF_REGNO (def)] = insn;
for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++)
{
- struct df_ref *use = *use_rec;
+ df_ref use = *use_rec;
reg_next_use[DF_REF_REGNO (use)] = insn;
if (insn_is_add_or_inc)
reg_next_inc_use[DF_REF_REGNO (use)] = insn;
}
-struct tree_opt_pass pass_inc_dec =
+struct rtl_opt_pass pass_inc_dec =
{
+ {
+ RTL_PASS,
"auto-inc-dec", /* name */
gate_auto_inc_dec, /* gate */
rest_of_handle_auto_inc_dec, /* execute */
0, /* todo_flags_start */
TODO_dump_func |
TODO_df_finish, /* todo_flags_finish */
- 0 /* letter */
+ }
};