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-rw-r--r--gcc/combine.c60
1 files changed, 27 insertions, 33 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index 4875c96..5bf08ff 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -252,10 +252,8 @@ typedef struct reg_stat_struct {
ENUM_BITFIELD(machine_mode) truncated_to_mode : 8;
} reg_stat_type;
-DEF_VEC_O(reg_stat_type);
-DEF_VEC_ALLOC_O(reg_stat_type,heap);
-static VEC(reg_stat_type,heap) *reg_stat;
+static vec<reg_stat_type> reg_stat;
/* Record the luid of the last insn that invalidated memory
(anything that writes memory, and subroutine calls, but not pushes). */
@@ -510,8 +508,8 @@ combine_split_insns (rtx pattern, rtx insn)
ret = split_insns (pattern, insn);
nregs = max_reg_num ();
- if (nregs > VEC_length (reg_stat_type, reg_stat))
- VEC_safe_grow_cleared (reg_stat_type, heap, reg_stat, nregs);
+ if (nregs > reg_stat.length ())
+ reg_stat.safe_grow_cleared (nregs);
return ret;
}
@@ -1121,7 +1119,7 @@ combine_instructions (rtx f, unsigned int nregs)
rtl_hooks = combine_rtl_hooks;
- VEC_safe_grow_cleared (reg_stat_type, heap, reg_stat, nregs);
+ reg_stat.safe_grow_cleared (nregs);
init_recog_no_volatile ();
@@ -1446,7 +1444,7 @@ combine_instructions (rtx f, unsigned int nregs)
obstack_free (&insn_link_obstack, NULL);
free (uid_log_links);
free (uid_insn_cost);
- VEC_free (reg_stat_type, heap, reg_stat);
+ reg_stat.release ();
{
struct undo *undo, *next;
@@ -1480,7 +1478,7 @@ init_reg_last (void)
unsigned int i;
reg_stat_type *p;
- FOR_EACH_VEC_ELT (reg_stat_type, reg_stat, i, p)
+ FOR_EACH_VEC_ELT (reg_stat, i, p)
memset (p, 0, offsetof (reg_stat_type, sign_bit_copies));
}
@@ -1587,7 +1585,7 @@ set_nonzero_bits_and_sign_copies (rtx x, const_rtx set, void *data)
(DF_LR_IN (ENTRY_BLOCK_PTR->next_bb), REGNO (x))
&& HWI_COMPUTABLE_MODE_P (GET_MODE (x)))
{
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, REGNO (x));
+ reg_stat_type *rsp = &reg_stat[REGNO (x)];
if (set == 0 || GET_CODE (set) == CLOBBER)
{
@@ -3637,22 +3635,18 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p,
&& GET_CODE (SET_DEST (XVECEXP (newpat, 0, 1))) != STRICT_LOW_PART
&& ! (temp = SET_DEST (XVECEXP (newpat, 0, 1)),
(REG_P (temp)
- && VEC_index (reg_stat_type, reg_stat,
- REGNO (temp)).nonzero_bits != 0
+ && reg_stat[REGNO (temp)].nonzero_bits != 0
&& GET_MODE_PRECISION (GET_MODE (temp)) < BITS_PER_WORD
&& GET_MODE_PRECISION (GET_MODE (temp)) < HOST_BITS_PER_INT
- && (VEC_index (reg_stat_type, reg_stat,
- REGNO (temp)).nonzero_bits
+ && (reg_stat[REGNO (temp)].nonzero_bits
!= GET_MODE_MASK (word_mode))))
&& ! (GET_CODE (SET_DEST (XVECEXP (newpat, 0, 1))) == SUBREG
&& (temp = SUBREG_REG (SET_DEST (XVECEXP (newpat, 0, 1))),
(REG_P (temp)
- && VEC_index (reg_stat_type, reg_stat,
- REGNO (temp)).nonzero_bits != 0
+ && reg_stat[REGNO (temp)].nonzero_bits != 0
&& GET_MODE_PRECISION (GET_MODE (temp)) < BITS_PER_WORD
&& GET_MODE_PRECISION (GET_MODE (temp)) < HOST_BITS_PER_INT
- && (VEC_index (reg_stat_type, reg_stat,
- REGNO (temp)).nonzero_bits
+ && (reg_stat[REGNO (temp)].nonzero_bits
!= GET_MODE_MASK (word_mode)))))
&& ! reg_overlap_mentioned_p (SET_DEST (XVECEXP (newpat, 0, 1)),
SET_SRC (XVECEXP (newpat, 0, 1)))
@@ -9413,7 +9407,7 @@ reg_nonzero_bits_for_combine (const_rtx x, enum machine_mode mode,
value. Otherwise, use the previously-computed global nonzero bits
for this register. */
- rsp = &VEC_index (reg_stat_type, reg_stat, REGNO (x));
+ rsp = &reg_stat[REGNO (x)];
if (rsp->last_set_value != 0
&& (rsp->last_set_mode == mode
|| (GET_MODE_CLASS (rsp->last_set_mode) == MODE_INT
@@ -9482,7 +9476,7 @@ reg_num_sign_bit_copies_for_combine (const_rtx x, enum machine_mode mode,
rtx tem;
reg_stat_type *rsp;
- rsp = &VEC_index (reg_stat_type, reg_stat, REGNO (x));
+ rsp = &reg_stat[REGNO (x)];
if (rsp->last_set_value != 0
&& rsp->last_set_mode == mode
&& ((rsp->last_set_label >= label_tick_ebb_start
@@ -12046,7 +12040,7 @@ update_table_tick (rtx x)
for (r = regno; r < endregno; r++)
{
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, r);
+ reg_stat_type *rsp = &reg_stat[r];
rsp->last_set_table_tick = label_tick;
}
@@ -12148,7 +12142,7 @@ record_value_for_reg (rtx reg, rtx insn, rtx value)
register. */
for (i = regno; i < endregno; i++)
{
- rsp = &VEC_index (reg_stat_type, reg_stat, i);
+ rsp = &reg_stat[i];
if (insn)
rsp->last_set = insn;
@@ -12174,7 +12168,7 @@ record_value_for_reg (rtx reg, rtx insn, rtx value)
for (i = regno; i < endregno; i++)
{
- rsp = &VEC_index (reg_stat_type, reg_stat, i);
+ rsp = &reg_stat[i];
rsp->last_set_label = label_tick;
if (!insn
|| (value && rsp->last_set_table_tick >= label_tick_ebb_start))
@@ -12186,7 +12180,7 @@ record_value_for_reg (rtx reg, rtx insn, rtx value)
/* The value being assigned might refer to X (like in "x++;"). In that
case, we must replace it with (clobber (const_int 0)) to prevent
infinite loops. */
- rsp = &VEC_index (reg_stat_type, reg_stat, regno);
+ rsp = &reg_stat[regno];
if (value && !get_last_value_validate (&value, insn, label_tick, 0))
{
value = copy_rtx (value);
@@ -12284,7 +12278,7 @@ record_dead_and_set_regs (rtx insn)
{
reg_stat_type *rsp;
- rsp = &VEC_index (reg_stat_type, reg_stat, i);
+ rsp = &reg_stat[i];
rsp->last_death = insn;
}
}
@@ -12299,7 +12293,7 @@ record_dead_and_set_regs (rtx insn)
{
reg_stat_type *rsp;
- rsp = &VEC_index (reg_stat_type, reg_stat, i);
+ rsp = &reg_stat[i];
rsp->last_set_invalid = 1;
rsp->last_set = insn;
rsp->last_set_value = 0;
@@ -12357,7 +12351,7 @@ record_promoted_value (rtx insn, rtx subreg)
continue;
}
- rsp = &VEC_index (reg_stat_type, reg_stat, regno);
+ rsp = &reg_stat[regno];
if (rsp->last_set == insn)
{
if (SUBREG_PROMOTED_UNSIGNED_P (subreg) > 0)
@@ -12382,7 +12376,7 @@ record_promoted_value (rtx insn, rtx subreg)
static bool
reg_truncated_to_mode (enum machine_mode mode, const_rtx x)
{
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, REGNO (x));
+ reg_stat_type *rsp = &reg_stat[REGNO (x)];
enum machine_mode truncated = rsp->truncated_to_mode;
if (truncated == 0
@@ -12427,7 +12421,7 @@ record_truncated_value (rtx *p, void *data ATTRIBUTE_UNUSED)
else
return 0;
- rsp = &VEC_index (reg_stat_type, reg_stat, REGNO (x));
+ rsp = &reg_stat[REGNO (x)];
if (rsp->truncated_to_mode == 0
|| rsp->truncation_label < label_tick_ebb_start
|| (GET_MODE_SIZE (truncated_mode)
@@ -12506,7 +12500,7 @@ get_last_value_validate (rtx *loc, rtx insn, int tick, int replace)
for (j = regno; j < endregno; j++)
{
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, j);
+ reg_stat_type *rsp = &reg_stat[j];
if (rsp->last_set_invalid
/* If this is a pseudo-register that was only set once and not
live at the beginning of the function, it is always valid. */
@@ -12610,7 +12604,7 @@ get_last_value (const_rtx x)
return 0;
regno = REGNO (x);
- rsp = &VEC_index (reg_stat_type, reg_stat, regno);
+ rsp = &reg_stat[regno];
value = rsp->last_set_value;
/* If we don't have a value, or if it isn't for this basic block and
@@ -12674,7 +12668,7 @@ use_crosses_set_p (const_rtx x, int from_luid)
#endif
for (; regno < endreg; regno++)
{
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, regno);
+ reg_stat_type *rsp = &reg_stat[regno];
if (rsp->last_set
&& rsp->last_set_label == label_tick
&& DF_INSN_LUID (rsp->last_set) > from_luid)
@@ -12920,7 +12914,7 @@ move_deaths (rtx x, rtx maybe_kill_insn, int from_luid, rtx to_insn,
if (code == REG)
{
unsigned int regno = REGNO (x);
- rtx where_dead = VEC_index (reg_stat_type, reg_stat, regno).last_death;
+ rtx where_dead = reg_stat[regno].last_death;
/* Don't move the register if it gets killed in between from and to. */
if (maybe_kill_insn && reg_set_p (x, maybe_kill_insn)
@@ -13535,7 +13529,7 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2, rtx elim_i2,
if (place && REG_NOTE_KIND (note) == REG_DEAD)
{
unsigned int regno = REGNO (XEXP (note, 0));
- reg_stat_type *rsp = &VEC_index (reg_stat_type, reg_stat, regno);
+ reg_stat_type *rsp = &reg_stat[regno];
if (dead_or_set_p (place, XEXP (note, 0))
|| reg_bitfield_target_p (XEXP (note, 0), PATTERN (place)))
generated by cgit v1.1 at 2025-03-01 10:53:09 +0000