#include "system.h"
#include "coretypes.h"
#include "tm.h"
-#include "toplev.h"
+#include "diagnostic-core.h"
#include "rtl.h"
#include "tree.h"
#include "tm_p.h"
#include "hashtab.h"
#include "insn-config.h"
#include "recog.h"
-#include "real.h"
-#include "fixed-value.h"
#include "bitmap.h"
#include "basic-block.h"
#include "ggc.h"
#include "params.h"
#include "target.h"
+struct target_rtl default_target_rtl;
+#if SWITCHABLE_TARGET
+struct target_rtl *this_target_rtl = &default_target_rtl;
+#endif
+
+#define initial_regno_reg_rtx (this_target_rtl->x_initial_regno_reg_rtx)
+
/* Commonly used modes. */
enum machine_mode byte_mode; /* Mode whose width is BITS_PER_UNIT. */
static GTY(()) int label_num = 1;
-/* Commonly used rtx's, so that we only need space for one copy.
- These are initialized once for the entire compilation.
- All of these are unique; no other rtx-object will be equal to any
- of these. */
-
-rtx global_rtl[GR_MAX];
-
-/* Commonly used RTL for hard registers. These objects are not necessarily
- unique, so we allocate them separately from global_rtl. They are
- initialized once per compilation unit, then copied into regno_reg_rtx
- at the beginning of each function. */
-static GTY(()) rtx static_regno_reg_rtx[FIRST_PSEUDO_REGISTER];
-
/* We record floating-point CONST_DOUBLEs in each floating-point mode for
the values of 0, 1, and 2. For the integer entries and VOIDmode, we
record a copy of const[012]_rtx. */
FIXED_VALUE_TYPE fconst0[MAX_FCONST0];
FIXED_VALUE_TYPE fconst1[MAX_FCONST1];
-/* All references to the following fixed hard registers go through
- these unique rtl objects. On machines where the frame-pointer and
- arg-pointer are the same register, they use the same unique object.
-
- After register allocation, other rtl objects which used to be pseudo-regs
- may be clobbered to refer to the frame-pointer register.
- But references that were originally to the frame-pointer can be
- distinguished from the others because they contain frame_pointer_rtx.
-
- When to use frame_pointer_rtx and hard_frame_pointer_rtx is a little
- tricky: until register elimination has taken place hard_frame_pointer_rtx
- should be used if it is being set, and frame_pointer_rtx otherwise. After
- register elimination hard_frame_pointer_rtx should always be used.
- On machines where the two registers are same (most) then these are the
- same.
-
- In an inline procedure, the stack and frame pointer rtxs may not be
- used for anything else. */
-rtx pic_offset_table_rtx; /* (REG:Pmode PIC_OFFSET_TABLE_REGNUM) */
-
-/* This is used to implement __builtin_return_address for some machines.
- See for instance the MIPS port. */
-rtx return_address_pointer_rtx; /* (REG:Pmode RETURN_ADDRESS_POINTER_REGNUM) */
-
/* We make one copy of (const_int C) where C is in
[- MAX_SAVED_CONST_INT, MAX_SAVED_CONST_INT]
to save space during the compilation and simplify comparisons of
static GTY ((if_marked ("ggc_marked_p"), param_is (struct rtx_def)))
htab_t const_fixed_htab;
-#define first_insn (crtl->emit.x_first_insn)
-#define last_insn (crtl->emit.x_last_insn)
#define cur_insn_uid (crtl->emit.x_cur_insn_uid)
#define cur_debug_insn_uid (crtl->emit.x_cur_debug_insn_uid)
#define last_location (crtl->emit.x_last_location)
slot = htab_find_slot (mem_attrs_htab, &attrs, INSERT);
if (*slot == 0)
{
- *slot = ggc_alloc (sizeof (mem_attrs));
+ *slot = ggc_alloc_mem_attrs ();
memcpy (*slot, &attrs, sizeof (mem_attrs));
}
slot = htab_find_slot (reg_attrs_htab, &attrs, INSERT);
if (*slot == 0)
{
- *slot = ggc_alloc (sizeof (reg_attrs));
+ *slot = ggc_alloc_reg_attrs ();
memcpy (*slot, &attrs, sizeof (reg_attrs));
}
if (regno == FRAME_POINTER_REGNUM
&& (!reload_completed || frame_pointer_needed))
return frame_pointer_rtx;
-#if FRAME_POINTER_REGNUM != HARD_FRAME_POINTER_REGNUM
+#if !HARD_FRAME_POINTER_IS_FRAME_POINTER
if (regno == HARD_FRAME_POINTER_REGNUM
&& (!reload_completed || frame_pointer_needed))
return hard_frame_pointer_rtx;
#endif
-#if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM && HARD_FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
+#if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM && !HARD_FRAME_POINTER_IS_ARG_POINTER
if (regno == ARG_POINTER_REGNUM)
return arg_pointer_rtx;
#endif
return return_address_pointer_rtx;
#endif
if (regno == (unsigned) PIC_OFFSET_TABLE_REGNUM
+ && PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM
&& fixed_regs[PIC_OFFSET_TABLE_REGNUM])
return pic_offset_table_rtx;
if (regno == STACK_POINTER_REGNUM)
/* This function can't use
if (!MEM_EXPR (mem) || !MEM_OFFSET (mem)
|| !CONST_INT_P (MEM_OFFSET (mem))
- || (get_object_alignment (MEM_EXPR (mem), MEM_ALIGN (mem), align)
+ || (MAX (MEM_ALIGN (mem),
+ get_object_alignment (MEM_EXPR (mem), align))
< align))
return -1;
else
/* We can set the alignment from the type if we are making an object,
this is an INDIRECT_REF, or if TYPE_ALIGN_OK. */
- if (objectp || TREE_CODE (t) == INDIRECT_REF
- || TREE_CODE (t) == ALIGN_INDIRECT_REF
- || TYPE_ALIGN_OK (type))
+ if (objectp || TREE_CODE (t) == INDIRECT_REF || TYPE_ALIGN_OK (type))
+ align = MAX (align, TYPE_ALIGN (type));
+
+ else if (TREE_CODE (t) == MEM_REF)
+ {
+ tree op0 = TREE_OPERAND (t, 0);
+ if (TREE_CODE (op0) == ADDR_EXPR
+ && (DECL_P (TREE_OPERAND (op0, 0))
+ || CONSTANT_CLASS_P (TREE_OPERAND (op0, 0))))
+ {
+ if (DECL_P (TREE_OPERAND (op0, 0)))
+ align = DECL_ALIGN (TREE_OPERAND (op0, 0));
+ else if (CONSTANT_CLASS_P (TREE_OPERAND (op0, 0)))
+ {
+ align = TYPE_ALIGN (TREE_TYPE (TREE_OPERAND (op0, 0)));
+#ifdef CONSTANT_ALIGNMENT
+ align = CONSTANT_ALIGNMENT (TREE_OPERAND (op0, 0), align);
+#endif
+ }
+ if (TREE_INT_CST_LOW (TREE_OPERAND (t, 1)) != 0)
+ {
+ unsigned HOST_WIDE_INT ioff
+ = TREE_INT_CST_LOW (TREE_OPERAND (t, 1));
+ unsigned HOST_WIDE_INT aoff = (ioff & -ioff) * BITS_PER_UNIT;
+ align = MIN (aoff, align);
+ }
+ }
+ else
+ /* ??? This isn't fully correct, we can't set the alignment from the
+ type in all cases. */
+ align = MAX (align, TYPE_ALIGN (type));
+ }
+
+ else if (TREE_CODE (t) == TARGET_MEM_REF)
+ /* ??? This isn't fully correct, we can't set the alignment from the
+ type in all cases. */
align = MAX (align, TYPE_ALIGN (type));
- else
- if (TREE_CODE (t) == MISALIGNED_INDIRECT_REF)
- {
- if (integer_zerop (TREE_OPERAND (t, 1)))
- /* We don't know anything about the alignment. */
- align = BITS_PER_UNIT;
- else
- align = tree_low_cst (TREE_OPERAND (t, 1), 1);
- }
/* If the size is known, we can set that. */
if (TYPE_SIZE_UNIT (type) && host_integerp (TYPE_SIZE_UNIT (type), 1))
|| TREE_CODE (base) == BIT_FIELD_REF)
base = TREE_OPERAND (base, 0);
+ if (TREE_CODE (base) == MEM_REF
+ && TREE_CODE (TREE_OPERAND (base, 0)) == ADDR_EXPR)
+ base = TREE_OPERAND (TREE_OPERAND (base, 0), 0);
if (DECL_P (base))
{
if (CODE_CONTAINS_STRUCT (TREE_CODE (base), TS_DECL_WITH_VIS))
else
MEM_NOTRAP_P (ref) = 1;
}
- else
+ else if (TREE_CODE (base) == INDIRECT_REF
+ || TREE_CODE (base) == MEM_REF
+ || TREE_CODE (base) == TARGET_MEM_REF
+ || TREE_CODE (base) == ARRAY_REF
+ || TREE_CODE (base) == ARRAY_RANGE_REF)
MEM_NOTRAP_P (ref) = TREE_THIS_NOTRAP (base);
base = get_base_address (base);
if (base && DECL_P (base)
&& TREE_READONLY (base)
&& (TREE_STATIC (base) || DECL_EXTERNAL (base)))
- {
- tree base_type = TREE_TYPE (base);
- gcc_assert (!(base_type && TYPE_NEEDS_CONSTRUCTING (base_type))
- || DECL_ARTIFICIAL (base));
- MEM_READONLY_P (ref) = 1;
- }
+ MEM_READONLY_P (ref) = 1;
/* If this expression uses it's parent's alias set, mark it such
that we won't change it. */
}
/* If this is an indirect reference, record it. */
- else if (TREE_CODE (t) == INDIRECT_REF
- || TREE_CODE (t) == MISALIGNED_INDIRECT_REF)
+ else if (TREE_CODE (t) == MEM_REF)
{
expr = t;
offset = const0_rtx;
}
/* If this is an indirect reference, record it. */
- else if (TREE_CODE (t) == INDIRECT_REF
- || TREE_CODE (t) == MISALIGNED_INDIRECT_REF)
+ else if (TREE_CODE (t) == MEM_REF
+ || TREE_CODE (t) == TARGET_MEM_REF)
{
expr = t;
offset = const0_rtx;
if (!align_computed && !INDIRECT_REF_P (t))
{
- unsigned int obj_align
- = get_object_alignment (t, align, BIGGEST_ALIGNMENT);
+ unsigned int obj_align = get_object_alignment (t, BIGGEST_ALIGNMENT);
align = MAX (align, obj_align);
}
}
size = plus_constant (size, apply_bitpos / BITS_PER_UNIT);
}
- if (TREE_CODE (t) == ALIGN_INDIRECT_REF)
- {
- /* Force EXPR and OFFSET to NULL, since we don't know exactly what
- we're overlapping. */
- offset = NULL;
- expr = NULL;
- }
-
/* Now set the attributes we computed above. */
MEM_ATTRS (ref)
= get_mem_attrs (alias, expr, offset, size, align,
void
set_mem_alias_set (rtx mem, alias_set_type set)
{
-#ifdef ENABLE_CHECKING
/* If the new and old alias sets don't conflict, something is wrong. */
- gcc_assert (alias_sets_conflict_p (set, MEM_ALIAS_SET (mem)));
-#endif
+ gcc_checking_assert (alias_sets_conflict_p (set, MEM_ALIAS_SET (mem)));
MEM_ATTRS (mem) = get_mem_attrs (set, MEM_EXPR (mem), MEM_OFFSET (mem),
MEM_SIZE (mem), MEM_ALIGN (mem),
DECL_ARTIFICIAL (d) = 1;
DECL_IGNORED_P (d) = 1;
TREE_USED (d) = 1;
- TREE_THIS_NOTRAP (d) = 1;
spill_slot_decl = d;
rd = gen_rtx_MEM (BLKmode, frame_pointer_rtx);
{
rtx insn;
- first_insn = first;
- last_insn = last;
+ set_first_insn (first);
+ set_last_insn (last);
cur_insn_uid = 0;
if (MIN_NONDEBUG_INSN_UID || MAY_HAVE_DEBUG_INSNS)
set_used_decls (DECL_INITIAL (cfun->decl));
/* Make sure that virtual parameters are not shared. */
- for (decl = DECL_ARGUMENTS (cfun->decl); decl; decl = TREE_CHAIN (decl))
+ for (decl = DECL_ARGUMENTS (cfun->decl); decl; decl = DECL_CHAIN (decl))
set_used_flags (DECL_RTL (decl));
reset_used_flags (stack_slot_list);
/* Go through all the RTL insn bodies and check that there is no unexpected
sharing in between the subexpressions. */
-void
+DEBUG_FUNCTION void
verify_rtl_sharing (void)
{
rtx p;
+ timevar_push (TV_VERIFY_RTL_SHARING);
+
for (p = get_insns (); p; p = NEXT_INSN (p))
if (INSN_P (p))
{
verify_rtx_sharing (PATTERN (p), p);
verify_rtx_sharing (REG_NOTES (p), p);
}
+
+ timevar_pop (TV_VERIFY_RTL_SHARING);
}
/* Go through all the RTL insn bodies and copy any invalid shared structure.
tree t;
/* Mark decls. */
- for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (t))
+ for (t = BLOCK_VARS (blk); t; t = DECL_CHAIN (t))
if (DECL_RTL_SET_P (t))
set_used_flags (DECL_RTL (t));
return;
}
-/* Clear all the USED bits in X to allow copy_rtx_if_shared to be used
- to look for shared sub-parts. */
+/* Set the USED bit in X and its non-shareable subparts to FLAG. */
-void
-reset_used_flags (rtx x)
+static void
+mark_used_flags (rtx x, int flag)
{
int i, j;
enum rtx_code code;
break;
}
- RTX_FLAG (x, used) = 0;
+ RTX_FLAG (x, used) = flag;
format_ptr = GET_RTX_FORMAT (code);
length = GET_RTX_LENGTH (code);
x = XEXP (x, i);
goto repeat;
}
- reset_used_flags (XEXP (x, i));
+ mark_used_flags (XEXP (x, i), flag);
break;
case 'E':
for (j = 0; j < XVECLEN (x, i); j++)
- reset_used_flags (XVECEXP (x, i, j));
+ mark_used_flags (XVECEXP (x, i, j), flag);
break;
}
}
}
-/* Set all the USED bits in X to allow copy_rtx_if_shared to be used
+/* Clear all the USED bits in X to allow copy_rtx_if_shared to be used
to look for shared sub-parts. */
void
-set_used_flags (rtx x)
+reset_used_flags (rtx x)
{
- int i, j;
- enum rtx_code code;
- const char *format_ptr;
-
- if (x == 0)
- return;
-
- code = GET_CODE (x);
-
- /* These types may be freely shared so we needn't do any resetting
- for them. */
-
- switch (code)
- {
- case REG:
- case DEBUG_EXPR:
- case VALUE:
- case CONST_INT:
- case CONST_DOUBLE:
- case CONST_FIXED:
- case CONST_VECTOR:
- case SYMBOL_REF:
- case CODE_LABEL:
- case PC:
- case CC0:
- return;
-
- case DEBUG_INSN:
- case INSN:
- case JUMP_INSN:
- case CALL_INSN:
- case NOTE:
- case LABEL_REF:
- case BARRIER:
- /* The chain of insns is not being copied. */
- return;
-
- default:
- break;
- }
-
- RTX_FLAG (x, used) = 1;
+ mark_used_flags (x, 0);
+}
- format_ptr = GET_RTX_FORMAT (code);
- for (i = 0; i < GET_RTX_LENGTH (code); i++)
- {
- switch (*format_ptr++)
- {
- case 'e':
- set_used_flags (XEXP (x, i));
- break;
+/* Set all the USED bits in X to allow copy_rtx_if_shared to be used
+ to look for shared sub-parts. */
- case 'E':
- for (j = 0; j < XVECLEN (x, i); j++)
- set_used_flags (XVECEXP (x, i, j));
- break;
- }
- }
+void
+set_used_flags (rtx x)
+{
+ mark_used_flags (x, 1);
}
\f
/* Copy X if necessary so that it won't be altered by changes in OTHER.
\f
/* Emission of insns (adding them to the doubly-linked list). */
-/* Return the first insn of the current sequence or current function. */
-
-rtx
-get_insns (void)
-{
- return first_insn;
-}
-
-/* Specify a new insn as the first in the chain. */
-
-void
-set_first_insn (rtx insn)
-{
- gcc_assert (!PREV_INSN (insn));
- first_insn = insn;
-}
-
-/* Return the last insn emitted in current sequence or current function. */
-
-rtx
-get_last_insn (void)
-{
- return last_insn;
-}
-
-/* Specify a new insn as the last in the chain. */
-
-void
-set_last_insn (rtx insn)
-{
- gcc_assert (!NEXT_INSN (insn));
- last_insn = insn;
-}
-
/* Return the last insn emitted, even if it is in a sequence now pushed. */
rtx
get_last_insn_anywhere (void)
{
struct sequence_stack *stack;
- if (last_insn)
- return last_insn;
+ if (get_last_insn ())
+ return get_last_insn ();
for (stack = seq_stack; stack; stack = stack->next)
if (stack->last != 0)
return stack->last;
rtx
get_first_nonnote_insn (void)
{
- rtx insn = first_insn;
+ rtx insn = get_insns ();
if (insn)
{
rtx
get_last_nonnote_insn (void)
{
- rtx insn = last_insn;
+ rtx insn = get_last_insn ();
if (insn)
{
return insn;
}
-/* Return a number larger than any instruction's uid in this function. */
-
-int
-get_max_uid (void)
-{
- return cur_insn_uid;
-}
-
/* Return the number of actual (non-debug) insns emitted in this
function. */
return insn;
}
+/* Return the next insn after INSN that is not a NOTE nor DEBUG_INSN.
+ This routine does not look inside SEQUENCEs. */
+
+rtx
+next_nonnote_nondebug_insn (rtx insn)
+{
+ while (insn)
+ {
+ insn = NEXT_INSN (insn);
+ if (insn == 0 || (!NOTE_P (insn) && !DEBUG_INSN_P (insn)))
+ break;
+ }
+
+ return insn;
+}
+
+/* Return the previous insn before INSN that is not a NOTE nor DEBUG_INSN.
+ This routine does not look inside SEQUENCEs. */
+
+rtx
+prev_nonnote_nondebug_insn (rtx insn)
+{
+ while (insn)
+ {
+ insn = PREV_INSN (insn);
+ if (insn == 0 || (!NOTE_P (insn) && !DEBUG_INSN_P (insn)))
+ break;
+ }
+
+ return insn;
+}
+
/* Return the next INSN, CALL_INSN or JUMP_INSN after INSN;
or 0, if there is none. This routine does not look inside
SEQUENCEs. */
/* Return either the first or the last insn, depending on which was
requested. */
return last
- ? (after ? PREV_INSN (after) : last_insn)
+ ? (after ? PREV_INSN (after) : get_last_insn ())
: NEXT_INSN (before);
}
\f
void
add_insn (rtx insn)
{
- PREV_INSN (insn) = last_insn;
+ PREV_INSN (insn) = get_last_insn();
NEXT_INSN (insn) = 0;
- if (NULL != last_insn)
- NEXT_INSN (last_insn) = insn;
+ if (NULL != get_last_insn())
+ NEXT_INSN (get_last_insn ()) = insn;
- if (NULL == first_insn)
- first_insn = insn;
+ if (NULL == get_insns ())
+ set_first_insn (insn);
- last_insn = insn;
+ set_last_insn (insn);
}
/* Add INSN into the doubly-linked list after insn AFTER. This and
if (NONJUMP_INSN_P (next) && GET_CODE (PATTERN (next)) == SEQUENCE)
PREV_INSN (XVECEXP (PATTERN (next), 0, 0)) = insn;
}
- else if (last_insn == after)
- last_insn = insn;
+ else if (get_last_insn () == after)
+ set_last_insn (insn);
else
{
struct sequence_stack *stack = seq_stack;
NEXT_INSN (XVECEXP (sequence, 0, XVECLEN (sequence, 0) - 1)) = insn;
}
}
- else if (first_insn == before)
- first_insn = insn;
+ else if (get_insns () == before)
+ set_first_insn (insn);
else
{
struct sequence_stack *stack = seq_stack;
NEXT_INSN (XVECEXP (sequence, 0, XVECLEN (sequence, 0) - 1)) = next;
}
}
- else if (first_insn == insn)
- first_insn = next;
+ else if (get_insns () == insn)
+ {
+ if (next)
+ PREV_INSN (next) = NULL;
+ set_first_insn (next);
+ }
else
{
struct sequence_stack *stack = seq_stack;
if (NONJUMP_INSN_P (next) && GET_CODE (PATTERN (next)) == SEQUENCE)
PREV_INSN (XVECEXP (PATTERN (next), 0, 0)) = prev;
}
- else if (last_insn == insn)
- last_insn = prev;
+ else if (get_last_insn () == insn)
+ set_last_insn (prev);
else
{
struct sequence_stack *stack = seq_stack;
if (!BARRIER_P (insn)
&& (bb = BLOCK_FOR_INSN (insn)))
{
- if (INSN_P (insn))
+ if (NONDEBUG_INSN_P (insn))
df_set_bb_dirty (bb);
if (BB_HEAD (bb) == insn)
{
delete_insns_since (rtx from)
{
if (from == 0)
- first_insn = 0;
+ set_first_insn (0);
else
NEXT_INSN (from) = 0;
- last_insn = from;
+ set_last_insn (from);
}
/* This function is deprecated, please use sequences instead.
void
reorder_insns_nobb (rtx from, rtx to, rtx after)
{
+#ifdef ENABLE_CHECKING
+ rtx x;
+ for (x = from; x != to; x = NEXT_INSN (x))
+ gcc_assert (after != x);
+ gcc_assert (after != to);
+#endif
+
/* Splice this bunch out of where it is now. */
if (PREV_INSN (from))
NEXT_INSN (PREV_INSN (from)) = NEXT_INSN (to);
if (NEXT_INSN (to))
PREV_INSN (NEXT_INSN (to)) = PREV_INSN (from);
- if (last_insn == to)
- last_insn = PREV_INSN (from);
- if (first_insn == from)
- first_insn = NEXT_INSN (to);
+ if (get_last_insn () == to)
+ set_last_insn (PREV_INSN (from));
+ if (get_insns () == from)
+ set_first_insn (NEXT_INSN (to));
/* Make the new neighbors point to it and it to them. */
if (NEXT_INSN (after))
NEXT_INSN (to) = NEXT_INSN (after);
PREV_INSN (from) = after;
NEXT_INSN (after) = from;
- if (after == last_insn)
- last_insn = to;
+ if (after == get_last_insn())
+ set_last_insn (to);
}
/* Same as function above, but take care to update BB boundaries. */
if (after_after)
PREV_INSN (after_after) = last;
- if (after == last_insn)
- last_insn = last;
+ if (after == get_last_insn())
+ set_last_insn (last);
return last;
}
rtx
emit_insn (rtx x)
{
- rtx last = last_insn;
+ rtx last = get_last_insn();
rtx insn;
if (x == NULL_RTX)
rtx
emit_debug_insn (rtx x)
{
- rtx last = last_insn;
+ rtx last = get_last_insn();
rtx insn;
if (x == NULL_RTX)
free_sequence_stack = tem->next;
}
else
- tem = GGC_NEW (struct sequence_stack);
+ tem = ggc_alloc_sequence_stack ();
tem->next = seq_stack;
- tem->first = first_insn;
- tem->last = last_insn;
+ tem->first = get_insns ();
+ tem->last = get_last_insn ();
seq_stack = tem;
- first_insn = 0;
- last_insn = 0;
+ set_first_insn (0);
+ set_last_insn (0);
}
/* Set up the insn chain starting with FIRST as the current sequence,
for (last = first; last && NEXT_INSN (last); last = NEXT_INSN (last));
- first_insn = first;
- last_insn = last;
+ set_first_insn (first);
+ set_last_insn (last);
}
/* Like push_to_sequence, but take the last insn as an argument to avoid
{
start_sequence ();
- first_insn = first;
- last_insn = last;
+ set_first_insn (first);
+ set_last_insn (last);
}
/* Set up the outer-level insn chain
for (stack = seq_stack; stack; stack = stack->next)
top = stack;
- first_insn = top->first;
- last_insn = top->last;
+ set_first_insn (top->first);
+ set_last_insn (top->last);
}
/* After emitting to the outer-level insn chain, update the outer-level
for (stack = seq_stack; stack; stack = stack->next)
top = stack;
- top->first = first_insn;
- top->last = last_insn;
+ top->first = get_insns ();
+ top->last = get_last_insn ();
end_sequence ();
}
{
struct sequence_stack *tem = seq_stack;
- first_insn = tem->first;
- last_insn = tem->last;
+ set_first_insn (tem->first);
+ set_last_insn (tem->last);
seq_stack = tem->next;
memset (tem, 0, sizeof (*tem));
regno_reg_rtx[VIRTUAL_STACK_DYNAMIC_REGNUM] = virtual_stack_dynamic_rtx;
regno_reg_rtx[VIRTUAL_OUTGOING_ARGS_REGNUM] = virtual_outgoing_args_rtx;
regno_reg_rtx[VIRTUAL_CFA_REGNUM] = virtual_cfa_rtx;
+ regno_reg_rtx[VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM]
+ = virtual_preferred_stack_boundary_rtx;
}
\f
void
init_emit (void)
{
- first_insn = NULL;
- last_insn = NULL;
+ set_first_insn (NULL);
+ set_last_insn (NULL);
if (MIN_NONDEBUG_INSN_UID)
cur_insn_uid = MIN_NONDEBUG_INSN_UID;
else
crtl->emit.regno_pointer_align
= XCNEWVEC (unsigned char, crtl->emit.regno_pointer_align_length);
- regno_reg_rtx
- = GGC_NEWVEC (rtx, crtl->emit.regno_pointer_align_length);
+ regno_reg_rtx = ggc_alloc_vec_rtx (crtl->emit.regno_pointer_align_length);
/* Put copies of all the hard registers into regno_reg_rtx. */
memcpy (regno_reg_rtx,
- static_regno_reg_rtx,
+ initial_regno_reg_rtx,
FIRST_PSEUDO_REGISTER * sizeof (rtx));
/* Put copies of all the virtual register rtx into regno_reg_rtx. */
virtual_outgoing_args_rtx =
gen_raw_REG (Pmode, VIRTUAL_OUTGOING_ARGS_REGNUM);
virtual_cfa_rtx = gen_raw_REG (Pmode, VIRTUAL_CFA_REGNUM);
+ virtual_preferred_stack_boundary_rtx =
+ gen_raw_REG (Pmode, VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM);
/* Initialize RTL for commonly used hard registers. These are
copied into regno_reg_rtx as we begin to compile each function. */
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
- static_regno_reg_rtx[i] = gen_raw_REG (reg_raw_mode[i], i);
+ initial_regno_reg_rtx[i] = gen_raw_REG (reg_raw_mode[i], i);
#ifdef RETURN_ADDRESS_POINTER_REGNUM
return_address_pointer_rtx
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