enum machine_mode double_mode; /* Mode whose width is DOUBLE_TYPE_SIZE. */
enum machine_mode ptr_mode; /* Mode whose width is POINTER_SIZE. */
+/* Datastructures maintained for currently processed function in RTL form. */
+
+struct rtl_data x_rtl;
+
+/* Indexed by pseudo register number, gives the rtx for that pseudo.
+ Allocated in parallel with regno_pointer_align.
+ FIXME: We could put it into emit_status struct, but gengtype is not able to deal
+ with length attribute nested in top level structures. */
+
+rtx * regno_reg_rtx;
/* This is *not* reset after each function. It gives each CODE_LABEL
in the entire compilation a unique label number. */
static GTY ((if_marked ("ggc_marked_p"), param_is (struct rtx_def)))
htab_t const_fixed_htab;
-#define first_insn (cfun->emit->x_first_insn)
-#define last_insn (cfun->emit->x_last_insn)
-#define cur_insn_uid (cfun->emit->x_cur_insn_uid)
-#define last_location (cfun->emit->x_last_location)
-#define first_label_num (cfun->emit->x_first_label_num)
+#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 last_location (crtl->emit.x_last_location)
+#define first_label_num (crtl->emit.x_first_label_num)
static rtx make_call_insn_raw (rtx);
static rtx change_address_1 (rtx, enum machine_mode, rtx, int);
{
rtx mem = gen_rtx_MEM (mode, addr);
MEM_NOTRAP_P (mem) = 1;
- if (!current_function_calls_alloca)
+ if (!cfun->calls_alloca)
set_mem_alias_set (mem, get_frame_alias_set ());
return mem;
}
rtx
gen_reg_rtx (enum machine_mode mode)
{
- struct function *f = cfun;
rtx val;
gcc_assert (can_create_pseudo_p ());
/* Make sure regno_pointer_align, and regno_reg_rtx are large
enough to have an element for this pseudo reg number. */
- if (reg_rtx_no == f->emit->regno_pointer_align_length)
+ if (reg_rtx_no == crtl->emit.regno_pointer_align_length)
{
- int old_size = f->emit->regno_pointer_align_length;
+ int old_size = crtl->emit.regno_pointer_align_length;
char *new;
rtx *new1;
- new = ggc_realloc (f->emit->regno_pointer_align, old_size * 2);
+ new = xrealloc (crtl->emit.regno_pointer_align, old_size * 2);
memset (new + old_size, 0, old_size);
- f->emit->regno_pointer_align = (unsigned char *) new;
+ crtl->emit.regno_pointer_align = (unsigned char *) new;
- new1 = ggc_realloc (f->emit->x_regno_reg_rtx,
+ new1 = ggc_realloc (regno_reg_rtx,
old_size * 2 * sizeof (rtx));
memset (new1 + old_size, 0, old_size * sizeof (rtx));
regno_reg_rtx = new1;
- f->emit->regno_pointer_align_length = old_size * 2;
+ crtl->emit.regno_pointer_align_length = old_size * 2;
}
val = gen_raw_REG (mode, reg_rtx_no);
int offset;
offset = byte_lowpart_offset (GET_MODE (reg), GET_MODE (x));
- if (MEM_P (x) && MEM_OFFSET (x) && GET_CODE (MEM_OFFSET (x)) == CONST_INT)
- REG_ATTRS (reg)
- = get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
- if (REG_P (x) && REG_ATTRS (x))
- update_reg_offset (reg, x, offset);
+ if (MEM_P (x))
+ {
+ if (MEM_OFFSET (x) && GET_CODE (MEM_OFFSET (x)) == CONST_INT)
+ REG_ATTRS (reg)
+ = get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
+ if (MEM_POINTER (x))
+ mark_reg_pointer (reg, MEM_ALIGN (x));
+ }
+ else if (REG_P (x))
+ {
+ if (REG_ATTRS (x))
+ update_reg_offset (reg, x, offset);
+ if (REG_POINTER (x))
+ mark_reg_pointer (reg, REGNO_POINTER_ALIGN (REGNO (x)));
+ }
+}
+
+/* Generate a REG rtx for a new pseudo register, copying the mode
+ and attributes from X. */
+
+rtx
+gen_reg_rtx_and_attrs (rtx x)
+{
+ rtx reg = gen_reg_rtx (GET_MODE (x));
+ set_reg_attrs_from_value (reg, x);
+ return reg;
}
/* Set the register attributes for registers contained in PARM_RTX.
{
/* Now remove any conversions: they don't change what the underlying
object is. Likewise for SAVE_EXPR. */
- while (TREE_CODE (inner) == NOP_EXPR || TREE_CODE (inner) == CONVERT_EXPR
- || TREE_CODE (inner) == NON_LVALUE_EXPR
+ while (CONVERT_EXPR_P (inner)
|| TREE_CODE (inner) == VIEW_CONVERT_EXPR
|| TREE_CODE (inner) == SAVE_EXPR)
inner = TREE_OPERAND (inner, 0);
/* Now remove any conversions: they don't change what the underlying
object is. Likewise for SAVE_EXPR. */
- while (TREE_CODE (t) == NOP_EXPR || TREE_CODE (t) == CONVERT_EXPR
- || TREE_CODE (t) == NON_LVALUE_EXPR
+ while (CONVERT_EXPR_P (t)
|| TREE_CODE (t) == VIEW_CONVERT_EXPR
|| TREE_CODE (t) == SAVE_EXPR)
t = TREE_OPERAND (t, 0);
/* Put the various virtual registers into REGNO_REG_RTX. */
static void
-init_virtual_regs (struct emit_status *es)
+init_virtual_regs (void)
{
- rtx *ptr = es->x_regno_reg_rtx;
- ptr[VIRTUAL_INCOMING_ARGS_REGNUM] = virtual_incoming_args_rtx;
- ptr[VIRTUAL_STACK_VARS_REGNUM] = virtual_stack_vars_rtx;
- ptr[VIRTUAL_STACK_DYNAMIC_REGNUM] = virtual_stack_dynamic_rtx;
- ptr[VIRTUAL_OUTGOING_ARGS_REGNUM] = virtual_outgoing_args_rtx;
- ptr[VIRTUAL_CFA_REGNUM] = virtual_cfa_rtx;
+ regno_reg_rtx[VIRTUAL_INCOMING_ARGS_REGNUM] = virtual_incoming_args_rtx;
+ regno_reg_rtx[VIRTUAL_STACK_VARS_REGNUM] = virtual_stack_vars_rtx;
+ 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;
}
\f
void
init_emit (void)
{
- struct function *f = cfun;
-
- f->emit = ggc_alloc (sizeof (struct emit_status));
first_insn = NULL;
last_insn = NULL;
cur_insn_uid = 1;
/* Init the tables that describe all the pseudo regs. */
- f->emit->regno_pointer_align_length = LAST_VIRTUAL_REGISTER + 101;
+ crtl->emit.regno_pointer_align_length = LAST_VIRTUAL_REGISTER + 101;
- f->emit->regno_pointer_align
- = ggc_alloc_cleared (f->emit->regno_pointer_align_length
- * sizeof (unsigned char));
+ crtl->emit.regno_pointer_align
+ = xcalloc (crtl->emit.regno_pointer_align_length
+ * sizeof (unsigned char), 1);
regno_reg_rtx
- = ggc_alloc (f->emit->regno_pointer_align_length * sizeof (rtx));
+ = ggc_alloc (crtl->emit.regno_pointer_align_length * sizeof (rtx));
/* Put copies of all the hard registers into regno_reg_rtx. */
memcpy (regno_reg_rtx,
FIRST_PSEUDO_REGISTER * sizeof (rtx));
/* Put copies of all the virtual register rtx into regno_reg_rtx. */
- init_virtual_regs (f->emit);
+ init_virtual_regs ();
/* Indicate that the virtual registers and stack locations are
all pointers. */
CALL_INSN_FUNCTION_USAGE (new)
= copy_insn (CALL_INSN_FUNCTION_USAGE (insn));
SIBLING_CALL_P (new) = SIBLING_CALL_P (insn);
- CONST_OR_PURE_CALL_P (new) = CONST_OR_PURE_CALL_P (insn);
+ RTL_CONST_CALL_P (new) = RTL_CONST_CALL_P (insn);
+ RTL_PURE_CALL_P (new) = RTL_PURE_CALL_P (insn);
+ RTL_LOOPING_CONST_OR_PURE_CALL_P (new)
+ = RTL_LOOPING_CONST_OR_PURE_CALL_P (insn);
break;
default:
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