/* Definitions for computing resource usage of specific insns.
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GCC.
#include "except.h"
#include "insn-attr.h"
#include "params.h"
+#include "df.h"
/* This structure is used to record liveness information at the targets or
fallthrough insns of branches. We will most likely need the information
return;
if (GET_CODE (dest) == SUBREG)
- first_regno = subreg_regno (dest);
- else
- first_regno = REGNO (dest);
+ {
+ first_regno = subreg_regno (dest);
+ last_regno = first_regno + subreg_nregs (dest);
- last_regno = first_regno + hard_regno_nregs[first_regno][GET_MODE (dest)];
+ }
+ else
+ {
+ first_regno = REGNO (dest);
+ last_regno = END_HARD_REGNO (dest);
+ }
if (GET_CODE (x) == CLOBBER)
for (i = first_regno; i < last_regno; i++)
else
{
unsigned int regno = subreg_regno (x);
- unsigned int last_regno
- = regno + hard_regno_nregs[regno][GET_MODE (x)];
+ unsigned int last_regno = regno + subreg_nregs (x);
gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER);
for (r = regno; r < last_regno; r++)
return;
case REG:
- {
- unsigned int regno = REGNO (x);
- unsigned int last_regno
- = regno + hard_regno_nregs[regno][GET_MODE (x)];
-
- gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER);
- for (r = regno; r < last_regno; r++)
- SET_HARD_REG_BIT (res->regs, r);
- }
+ gcc_assert (HARD_REGISTER_P (x));
+ add_to_hard_reg_set (&res->regs, GET_MODE (x), REGNO (x));
return;
case MEM:
else
{
unsigned int regno = subreg_regno (x);
- unsigned int last_regno
- = regno + hard_regno_nregs[regno][GET_MODE (x)];
+ unsigned int last_regno = regno + subreg_nregs (x);
gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER);
for (r = regno; r < last_regno; r++)
case REG:
if (in_dest)
{
- unsigned int regno = REGNO (x);
- unsigned int last_regno
- = regno + hard_regno_nregs[regno][GET_MODE (x)];
-
- gcc_assert (last_regno <= FIRST_PSEUDO_REGISTER);
- for (r = regno; r < last_regno; r++)
- SET_HARD_REG_BIT (res->regs, r);
+ gcc_assert (HARD_REGISTER_P (x));
+ add_to_hard_reg_set (&res->regs, GET_MODE (x), REGNO (x));
}
return;
{
/* Allocate a place to put our results and chain it into the
hash table. */
- tinfo = xmalloc (sizeof (struct target_info));
+ tinfo = XNEW (struct target_info);
tinfo->uid = INSN_UID (target);
tinfo->block = b;
tinfo->next
TARGET. Otherwise, we must assume everything is live. */
if (b != -1)
{
- regset regs_live = BASIC_BLOCK (b)->il.rtl->global_live_at_start;
- unsigned int j;
- unsigned int regno;
+ regset regs_live = df_get_live_in (BASIC_BLOCK (b));
rtx start_insn, stop_insn;
reg_set_iterator rsi;
EXECUTE_IF_SET_IN_REG_SET (regs_live, FIRST_PSEUDO_REGISTER, i, rsi)
{
if (reg_renumber[i] >= 0)
- {
- regno = reg_renumber[i];
- for (j = regno;
- j < regno + hard_regno_nregs[regno][PSEUDO_REGNO_MODE (i)];
- j++)
- SET_HARD_REG_BIT (current_live_regs, j);
- }
+ add_to_hard_reg_set (¤t_live_regs, PSEUDO_REGNO_MODE (i),
+ reg_renumber[i]);
}
/* Get starting and ending insn, handling the case where each might
be a SEQUENCE. */
- start_insn = (b == 0 ? insns : BB_HEAD (BASIC_BLOCK (b)));
+ start_insn = (b == ENTRY_BLOCK_PTR->next_bb->index ?
+ insns : BB_HEAD (BASIC_BLOCK (b)));
stop_insn = target;
if (NONJUMP_INSN_P (start_insn)
if (REG_NOTE_KIND (link) == REG_DEAD
&& REG_P (XEXP (link, 0))
&& REGNO (XEXP (link, 0)) < FIRST_PSEUDO_REGISTER)
- {
- unsigned int first_regno = REGNO (XEXP (link, 0));
- unsigned int last_regno
- = (first_regno
- + hard_regno_nregs[first_regno]
- [GET_MODE (XEXP (link, 0))]);
-
- for (i = first_regno; i < last_regno; i++)
- SET_HARD_REG_BIT (pending_dead_regs, i);
- }
+ add_to_hard_reg_set (&pending_dead_regs,
+ GET_MODE (XEXP (link, 0)),
+ REGNO (XEXP (link, 0)));
note_stores (PATTERN (real_insn), update_live_status, NULL);
if (REG_NOTE_KIND (link) == REG_UNUSED
&& REG_P (XEXP (link, 0))
&& REGNO (XEXP (link, 0)) < FIRST_PSEUDO_REGISTER)
- {
- unsigned int first_regno = REGNO (XEXP (link, 0));
- unsigned int last_regno
- = (first_regno
- + hard_regno_nregs[first_regno]
- [GET_MODE (XEXP (link, 0))]);
-
- for (i = first_regno; i < last_regno; i++)
- CLEAR_HARD_REG_BIT (current_live_regs, i);
- }
+ remove_from_hard_reg_set (¤t_live_regs,
+ GET_MODE (XEXP (link, 0)),
+ REGNO (XEXP (link, 0)));
}
else if (LABEL_P (real_insn))
RTL chain when there are no epilogue insns. Certain resources
are implicitly required at that point. */
else if (NOTE_P (real_insn)
- && NOTE_LINE_NUMBER (real_insn) == NOTE_INSN_EPILOGUE_BEG)
+ && NOTE_KIND (real_insn) == NOTE_INSN_EPILOGUE_BEG)
IOR_HARD_REG_SET (current_live_regs, start_of_epilogue_needs.regs);
}
}
/* Allocate and initialize the tables used by mark_target_live_regs. */
- target_hash_table = xcalloc (TARGET_HASH_PRIME, sizeof (struct target_info *));
- bb_ticks = xcalloc (last_basic_block, sizeof (int));
+ target_hash_table = XCNEWVEC (struct target_info *, TARGET_HASH_PRIME);
+ bb_ticks = XCNEWVEC (int, last_basic_block);
}
\f
/* Free up the resources allocated to mark_target_live_regs (). This