static void store_fixed_bit_field (rtx, unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, rtx);
+ unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ rtx);
static void store_split_bit_field (rtx, unsigned HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, rtx);
+ unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ rtx);
static rtx extract_fixed_bit_field (enum machine_mode, rtx,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
for (speed = 0; speed < 2; speed++)
{
crtl->maybe_hot_insn_p = speed;
- zero_cost[speed] = rtx_cost (const0_rtx, SET, speed);
+ zero_cost[speed] = set_src_cost (const0_rtx, speed);
for (mode = GET_CLASS_NARROWEST_MODE (MODE_INT);
mode != VOIDmode;
PUT_MODE (&all.shift_sub0, mode);
PUT_MODE (&all.shift_sub1, mode);
- add_cost[speed][mode] = rtx_cost (&all.plus, SET, speed);
- neg_cost[speed][mode] = rtx_cost (&all.neg, SET, speed);
- mul_cost[speed][mode] = rtx_cost (&all.mult, SET, speed);
- sdiv_cost[speed][mode] = rtx_cost (&all.sdiv, SET, speed);
- udiv_cost[speed][mode] = rtx_cost (&all.udiv, SET, speed);
+ add_cost[speed][mode] = set_src_cost (&all.plus, speed);
+ neg_cost[speed][mode] = set_src_cost (&all.neg, speed);
+ mul_cost[speed][mode] = set_src_cost (&all.mult, speed);
+ sdiv_cost[speed][mode] = set_src_cost (&all.sdiv, speed);
+ udiv_cost[speed][mode] = set_src_cost (&all.udiv, speed);
- sdiv_pow2_cheap[speed][mode] = (rtx_cost (&all.sdiv_32, SET, speed)
+ sdiv_pow2_cheap[speed][mode] = (set_src_cost (&all.sdiv_32, speed)
<= 2 * add_cost[speed][mode]);
- smod_pow2_cheap[speed][mode] = (rtx_cost (&all.smod_32, SET, speed)
+ smod_pow2_cheap[speed][mode] = (set_src_cost (&all.smod_32, speed)
<= 4 * add_cost[speed][mode]);
wider_mode = GET_MODE_WIDER_MODE (mode);
XEXP (&all.wide_lshr, 1) = GEN_INT (GET_MODE_BITSIZE (mode));
mul_widen_cost[speed][wider_mode]
- = rtx_cost (&all.wide_mult, SET, speed);
+ = set_src_cost (&all.wide_mult, speed);
mul_highpart_cost[speed][mode]
- = rtx_cost (&all.wide_trunc, SET, speed);
+ = set_src_cost (&all.wide_trunc, speed);
}
shift_cost[speed][mode][0] = 0;
XEXP (&all.shift, 1) = cint[m];
XEXP (&all.shift_mult, 1) = pow2[m];
- shift_cost[speed][mode][m] = rtx_cost (&all.shift, SET, speed);
- shiftadd_cost[speed][mode][m] = rtx_cost (&all.shift_add, SET, speed);
- shiftsub0_cost[speed][mode][m] = rtx_cost (&all.shift_sub0, SET, speed);
- shiftsub1_cost[speed][mode][m] = rtx_cost (&all.shift_sub1, SET, speed);
+ shift_cost[speed][mode][m] = set_src_cost (&all.shift, speed);
+ shiftadd_cost[speed][mode][m] = set_src_cost (&all.shift_add,
+ speed);
+ shiftsub0_cost[speed][mode][m] = set_src_cost (&all.shift_sub0,
+ speed);
+ shiftsub1_cost[speed][mode][m] = set_src_cost (&all.shift_sub1,
+ speed);
}
}
}
static bool
store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
- unsigned HOST_WIDE_INT bitnum, enum machine_mode fieldmode,
+ unsigned HOST_WIDE_INT bitnum,
+ unsigned HOST_WIDE_INT bitregion_start,
+ unsigned HOST_WIDE_INT bitregion_end,
+ enum machine_mode fieldmode,
rtx value, bool fallback_p)
{
unsigned int unit
/* We may be accessing data outside the field, which means
we can alias adjacent data. */
+ /* ?? not always for C++0x memory model ?? */
if (MEM_P (op0))
{
op0 = shallow_copy_rtx (op0);
if (!store_bit_field_1 (op0, MIN (BITS_PER_WORD,
bitsize - i * BITS_PER_WORD),
- bitnum + bit_offset, word_mode,
+ bitnum + bit_offset,
+ bitregion_start, bitregion_end,
+ word_mode,
value_word, fallback_p))
{
delete_insns_since (last);
&& GET_MODE (value) != BLKmode
&& bitsize > 0
&& GET_MODE_BITSIZE (op_mode) >= bitsize
+ /* Do not use insv for volatile bitfields when
+ -fstrict-volatile-bitfields is in effect. */
+ && !(MEM_P (op0) && MEM_VOLATILE_P (op0)
+ && flag_strict_volatile_bitfields > 0)
&& ! ((REG_P (op0) || GET_CODE (op0) == SUBREG)
&& (bitsize + bitpos > GET_MODE_BITSIZE (op_mode))))
{
X) 0)) is (reg:N X). */
if (GET_CODE (xop0) == SUBREG
&& REG_P (SUBREG_REG (xop0))
- && (!TRULY_NOOP_TRUNCATION
- (GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (xop0))),
- GET_MODE_BITSIZE (op_mode))))
+ && (!TRULY_NOOP_TRUNCATION_MODES_P (GET_MODE (SUBREG_REG (xop0)),
+ op_mode)))
{
rtx tem = gen_reg_rtx (op_mode);
emit_move_insn (tem, xop0);
copy_back = true;
}
- /* On big-endian machines, we count bits from the most significant.
- If the bit field insn does not, we must invert. */
-
- if (BITS_BIG_ENDIAN != BYTES_BIG_ENDIAN)
- xbitpos = unit - bitsize - xbitpos;
-
/* We have been counting XBITPOS within UNIT.
Count instead within the size of the register. */
- if (BITS_BIG_ENDIAN && !MEM_P (xop0))
+ if (BYTES_BIG_ENDIAN && !MEM_P (xop0))
xbitpos += GET_MODE_BITSIZE (op_mode) - unit;
unit = GET_MODE_BITSIZE (op_mode);
+ /* If BITS_BIG_ENDIAN is zero on a BYTES_BIG_ENDIAN machine, we count
+ "backwards" from the size of the unit we are inserting into.
+ Otherwise, we count bits from the most significant on a
+ BYTES/BITS_BIG_ENDIAN machine. */
+
+ if (BITS_BIG_ENDIAN != BYTES_BIG_ENDIAN)
+ xbitpos = unit - bitsize - xbitpos;
+
/* Convert VALUE to op_mode (which insv insn wants) in VALUE1. */
value1 = value;
if (GET_MODE (value) != op_mode)
if (HAVE_insv && MEM_P (op0))
{
enum machine_mode bestmode;
+ unsigned HOST_WIDE_INT maxbits = MAX_FIXED_MODE_SIZE;
+
+ if (bitregion_end)
+ maxbits = bitregion_end - bitregion_start + 1;
/* Get the mode to use for inserting into this field. If OP0 is
BLKmode, get the smallest mode consistent with the alignment. If
mode. Otherwise, use the smallest mode containing the field. */
if (GET_MODE (op0) == BLKmode
+ || GET_MODE_BITSIZE (GET_MODE (op0)) > maxbits
|| (op_mode != MAX_MACHINE_MODE
&& GET_MODE_SIZE (GET_MODE (op0)) > GET_MODE_SIZE (op_mode)))
- bestmode = get_best_mode (bitsize, bitnum, MEM_ALIGN (op0),
+ bestmode = get_best_mode (bitsize, bitnum,
+ bitregion_start, bitregion_end,
+ MEM_ALIGN (op0),
(op_mode == MAX_MACHINE_MODE
? VOIDmode : op_mode),
MEM_VOLATILE_P (op0));
the unit. */
tempreg = copy_to_reg (xop0);
if (store_bit_field_1 (tempreg, bitsize, xbitpos,
+ bitregion_start, bitregion_end,
fieldmode, orig_value, false))
{
emit_move_insn (xop0, tempreg);
if (!fallback_p)
return false;
- store_fixed_bit_field (op0, offset, bitsize, bitpos, value);
+ store_fixed_bit_field (op0, offset, bitsize, bitpos,
+ bitregion_start, bitregion_end, value);
return true;
}
/* Generate code to store value from rtx VALUE
into a bit-field within structure STR_RTX
containing BITSIZE bits starting at bit BITNUM.
+
+ BITREGION_START is bitpos of the first bitfield in this region.
+ BITREGION_END is the bitpos of the ending bitfield in this region.
+ These two fields are 0, if the C++ memory model does not apply,
+ or we are not interested in keeping track of bitfield regions.
+
FIELDMODE is the machine-mode of the FIELD_DECL node for this field. */
void
store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
- unsigned HOST_WIDE_INT bitnum, enum machine_mode fieldmode,
+ unsigned HOST_WIDE_INT bitnum,
+ unsigned HOST_WIDE_INT bitregion_start,
+ unsigned HOST_WIDE_INT bitregion_end,
+ enum machine_mode fieldmode,
rtx value)
{
- if (!store_bit_field_1 (str_rtx, bitsize, bitnum, fieldmode, value, true))
+ /* Under the C++0x memory model, we must not touch bits outside the
+ bit region. Adjust the address to start at the beginning of the
+ bit region. */
+ if (MEM_P (str_rtx)
+ && bitregion_start > 0)
+ {
+ enum machine_mode bestmode;
+ enum machine_mode op_mode;
+ unsigned HOST_WIDE_INT offset;
+
+ op_mode = mode_for_extraction (EP_insv, 3);
+ if (op_mode == MAX_MACHINE_MODE)
+ op_mode = VOIDmode;
+
+ offset = bitregion_start / BITS_PER_UNIT;
+ bitnum -= bitregion_start;
+ bitregion_end -= bitregion_start;
+ bitregion_start = 0;
+ bestmode = get_best_mode (bitsize, bitnum,
+ bitregion_start, bitregion_end,
+ MEM_ALIGN (str_rtx),
+ op_mode,
+ MEM_VOLATILE_P (str_rtx));
+ str_rtx = adjust_address (str_rtx, bestmode, offset);
+ }
+
+ if (!store_bit_field_1 (str_rtx, bitsize, bitnum,
+ bitregion_start, bitregion_end,
+ fieldmode, value, true))
gcc_unreachable ();
}
\f
static void
store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT offset,
unsigned HOST_WIDE_INT bitsize,
- unsigned HOST_WIDE_INT bitpos, rtx value)
+ unsigned HOST_WIDE_INT bitpos,
+ unsigned HOST_WIDE_INT bitregion_start,
+ unsigned HOST_WIDE_INT bitregion_end,
+ rtx value)
{
enum machine_mode mode;
unsigned int total_bits = BITS_PER_WORD;
/* Special treatment for a bit field split across two registers. */
if (bitsize + bitpos > BITS_PER_WORD)
{
- store_split_bit_field (op0, bitsize, bitpos, value);
+ store_split_bit_field (op0, bitsize, bitpos,
+ bitregion_start, bitregion_end,
+ value);
return;
}
}
else
{
+ unsigned HOST_WIDE_INT maxbits = MAX_FIXED_MODE_SIZE;
+
+ if (bitregion_end)
+ maxbits = bitregion_end - bitregion_start + 1;
+
/* Get the proper mode to use for this field. We want a mode that
includes the entire field. If such a mode would be larger than
a word, we won't be doing the extraction the normal way.
if (MEM_VOLATILE_P (op0)
&& GET_MODE_BITSIZE (GET_MODE (op0)) > 0
+ && GET_MODE_BITSIZE (GET_MODE (op0)) <= maxbits
&& flag_strict_volatile_bitfields > 0)
mode = GET_MODE (op0);
else
mode = get_best_mode (bitsize, bitpos + offset * BITS_PER_UNIT,
+ bitregion_start, bitregion_end,
MEM_ALIGN (op0), mode, MEM_VOLATILE_P (op0));
if (mode == VOIDmode)
/* The only way this should occur is if the field spans word
boundaries. */
store_split_bit_field (op0, bitsize, bitpos + offset * BITS_PER_UNIT,
- value);
+ bitregion_start, bitregion_end, value);
return;
}
NULL_RTX, 1, OPTAB_LIB_WIDEN);
if (bitpos > 0)
value = expand_shift (LSHIFT_EXPR, mode, value,
- build_int_cst (NULL_TREE, bitpos), NULL_RTX, 1);
+ bitpos, NULL_RTX, 1);
}
/* Now clear the chosen bits in OP0,
static void
store_split_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize,
- unsigned HOST_WIDE_INT bitpos, rtx value)
+ unsigned HOST_WIDE_INT bitpos,
+ unsigned HOST_WIDE_INT bitregion_start,
+ unsigned HOST_WIDE_INT bitregion_end,
+ rtx value)
{
unsigned int unit;
unsigned int bitsdone = 0;
it is just an out-of-bounds access. Ignore it. */
if (word != const0_rtx)
store_fixed_bit_field (word, offset * unit / BITS_PER_UNIT, thissize,
- thispos, part);
+ thispos, bitregion_start, bitregion_end, part);
bitsdone += thissize;
}
}
enum machine_mode int_mode;
enum machine_mode ext_mode;
enum machine_mode mode1;
- enum insn_code icode;
int byte_offset;
if (tmode == VOIDmode)
? bitpos + bitsize == BITS_PER_WORD
: bitpos == 0)))
&& ((!MEM_P (op0)
- && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode1),
- GET_MODE_BITSIZE (GET_MODE (op0)))
+ && TRULY_NOOP_TRUNCATION_MODES_P (mode1, GET_MODE (op0))
&& GET_MODE_SIZE (mode1) != 0
&& byte_offset % GET_MODE_SIZE (mode1) == 0)
|| (MEM_P (op0)
unsigned int nwords = (bitsize + (BITS_PER_WORD - 1)) / BITS_PER_WORD;
unsigned int i;
- if (target == 0 || !REG_P (target))
+ if (target == 0 || !REG_P (target) || !valid_multiword_target_p (target))
target = gen_reg_rtx (mode);
/* Indicate for flow that the entire target reg is being set. */
/* Signed bit field: sign-extend with two arithmetic shifts. */
target = expand_shift (LSHIFT_EXPR, mode, target,
- build_int_cst (NULL_TREE,
- GET_MODE_BITSIZE (mode) - bitsize),
- NULL_RTX, 0);
+ GET_MODE_BITSIZE (mode) - bitsize, NULL_RTX, 0);
return expand_shift (RSHIFT_EXPR, mode, target,
- build_int_cst (NULL_TREE,
- GET_MODE_BITSIZE (mode) - bitsize),
- NULL_RTX, 0);
+ GET_MODE_BITSIZE (mode) - bitsize, NULL_RTX, 0);
}
/* From here on we know the desired field is smaller than a word. */
/* Now OFFSET is nonzero only for memory operands. */
ext_mode = mode_for_extraction (unsignedp ? EP_extzv : EP_extv, 0);
- icode = unsignedp ? CODE_FOR_extzv : CODE_FOR_extv;
if (ext_mode != MAX_MACHINE_MODE
&& bitsize > 0
&& GET_MODE_BITSIZE (ext_mode) >= bitsize
+ /* Do not use extv/extzv for volatile bitfields when
+ -fstrict-volatile-bitfields is in effect. */
+ && !(MEM_P (op0) && MEM_VOLATILE_P (op0)
+ && flag_strict_volatile_bitfields > 0)
/* If op0 is a register, we need it in EXT_MODE to make it
acceptable to the format of ext(z)v. */
&& !(GET_CODE (op0) == SUBREG && GET_MODE (op0) != ext_mode)
/* Get ref to first byte containing part of the field. */
xop0 = adjust_address (xop0, byte_mode, xoffset);
- /* On big-endian machines, we count bits from the most significant.
- If the bit field insn does not, we must invert. */
- if (BITS_BIG_ENDIAN != BYTES_BIG_ENDIAN)
- xbitpos = unit - bitsize - xbitpos;
-
/* Now convert from counting within UNIT to counting in EXT_MODE. */
- if (BITS_BIG_ENDIAN && !MEM_P (xop0))
+ if (BYTES_BIG_ENDIAN && !MEM_P (xop0))
xbitpos += GET_MODE_BITSIZE (ext_mode) - unit;
unit = GET_MODE_BITSIZE (ext_mode);
+ /* If BITS_BIG_ENDIAN is zero on a BYTES_BIG_ENDIAN machine, we count
+ "backwards" from the size of the unit we are extracting from.
+ Otherwise, we count bits from the most significant on a
+ BYTES/BITS_BIG_ENDIAN machine. */
+
+ if (BITS_BIG_ENDIAN != BYTES_BIG_ENDIAN)
+ xbitpos = unit - bitsize - xbitpos;
+
if (xtarget == 0)
xtarget = xspec_target = gen_reg_rtx (tmode);
mode. Instead, create a temporary and use convert_move to set
the target. */
if (REG_P (xtarget)
- && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (GET_MODE (xtarget)),
- GET_MODE_BITSIZE (ext_mode)))
+ && TRULY_NOOP_TRUNCATION_MODES_P (GET_MODE (xtarget), ext_mode))
{
xtarget = gen_lowpart (ext_mode, xtarget);
- if (GET_MODE_SIZE (ext_mode)
- > GET_MODE_SIZE (GET_MODE (xspec_target)))
+ if (GET_MODE_PRECISION (ext_mode)
+ > GET_MODE_PRECISION (GET_MODE (xspec_target)))
xspec_target_subreg = xtarget;
}
else
if (GET_MODE (op0) == BLKmode
|| (ext_mode != MAX_MACHINE_MODE
&& GET_MODE_SIZE (GET_MODE (op0)) > GET_MODE_SIZE (ext_mode)))
- bestmode = get_best_mode (bitsize, bitnum, MEM_ALIGN (op0),
+ bestmode = get_best_mode (bitsize, bitnum, 0, 0, MEM_ALIGN (op0),
(ext_mode == MAX_MACHINE_MODE
? VOIDmode : ext_mode),
MEM_VOLATILE_P (op0));
mode = tmode;
}
else
- mode = get_best_mode (bitsize, bitpos + offset * BITS_PER_UNIT,
+ mode = get_best_mode (bitsize, bitpos + offset * BITS_PER_UNIT, 0, 0,
MEM_ALIGN (op0), word_mode, MEM_VOLATILE_P (op0));
if (mode == VOIDmode)
{
/* If the field does not already start at the lsb,
shift it so it does. */
- tree amount = build_int_cst (NULL_TREE, bitpos);
/* Maybe propagate the target for the shift. */
/* But not if we will return it--could confuse integrate.c. */
rtx subtarget = (target != 0 && REG_P (target) ? target : 0);
if (tmode != mode) subtarget = 0;
- op0 = expand_shift (RSHIFT_EXPR, mode, op0, amount, subtarget, 1);
+ op0 = expand_shift (RSHIFT_EXPR, mode, op0, bitpos, subtarget, 1);
}
/* Convert the value to the desired mode. */
if (mode != tmode)
/* To extract a signed bit-field, first shift its msb to the msb of the word,
then arithmetic-shift its lsb to the lsb of the word. */
op0 = force_reg (mode, op0);
- if (mode != tmode)
- target = 0;
/* Find the narrowest integer mode that contains the field. */
break;
}
+ if (mode != tmode)
+ target = 0;
+
if (GET_MODE_BITSIZE (mode) != (bitsize + bitpos))
{
- tree amount
- = build_int_cst (NULL_TREE,
- GET_MODE_BITSIZE (mode) - (bitsize + bitpos));
+ int amount = GET_MODE_BITSIZE (mode) - (bitsize + bitpos);
/* Maybe propagate the target for the shift. */
rtx subtarget = (target != 0 && REG_P (target) ? target : 0);
op0 = expand_shift (LSHIFT_EXPR, mode, op0, amount, subtarget, 1);
}
return expand_shift (RSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE,
- GET_MODE_BITSIZE (mode) - bitsize),
- target, 0);
+ GET_MODE_BITSIZE (mode) - bitsize, target, 0);
}
\f
/* Return a constant integer (CONST_INT or CONST_DOUBLE) mask value
{
if (bitsize != bitsdone)
part = expand_shift (LSHIFT_EXPR, word_mode, part,
- build_int_cst (NULL_TREE, bitsize - bitsdone),
- 0, 1);
+ bitsize - bitsdone, 0, 1);
}
else
{
if (bitsdone != thissize)
part = expand_shift (LSHIFT_EXPR, word_mode, part,
- build_int_cst (NULL_TREE,
- bitsdone - thissize), 0, 1);
+ bitsdone - thissize, 0, 1);
}
if (first)
return result;
/* Signed bit field: sign-extend with two arithmetic shifts. */
result = expand_shift (LSHIFT_EXPR, word_mode, result,
- build_int_cst (NULL_TREE, BITS_PER_WORD - bitsize),
- NULL_RTX, 0);
+ BITS_PER_WORD - bitsize, NULL_RTX, 0);
return expand_shift (RSHIFT_EXPR, word_mode, result,
- build_int_cst (NULL_TREE, BITS_PER_WORD - bitsize),
- NULL_RTX, 0);
+ BITS_PER_WORD - bitsize, NULL_RTX, 0);
}
\f
/* Try to read the low bits of SRC as an rvalue of mode MODE, preserving
\f
/* Output a shift instruction for expression code CODE,
with SHIFTED being the rtx for the value to shift,
- and AMOUNT the tree for the amount to shift by.
+ and AMOUNT the rtx for the amount to shift by.
Store the result in the rtx TARGET, if that is convenient.
If UNSIGNEDP is nonzero, do a logical shift; otherwise, arithmetic.
Return the rtx for where the value is. */
-rtx
-expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
- tree amount, rtx target, int unsignedp)
+static rtx
+expand_shift_1 (enum tree_code code, enum machine_mode mode, rtx shifted,
+ rtx amount, rtx target, int unsignedp)
{
rtx op1, temp = 0;
int left = (code == LSHIFT_EXPR || code == LROTATE_EXPR);
int attempt;
bool speed = optimize_insn_for_speed_p ();
- op1 = expand_normal (amount);
+ op1 = amount;
op1_mode = GET_MODE (op1);
/* Determine whether the shift/rotate amount is a vector, or scalar. If the
if (code == LSHIFT_EXPR
&& CONST_INT_P (op1)
&& INTVAL (op1) > 0
- && INTVAL (op1) < GET_MODE_BITSIZE (mode)
+ && INTVAL (op1) < GET_MODE_PRECISION (mode)
&& INTVAL (op1) < MAX_BITS_PER_WORD
&& shift_cost[speed][mode][INTVAL (op1)] > INTVAL (op1) * add_cost[speed][mode]
&& shift_cost[speed][mode][INTVAL (op1)] != MAX_COST)
code below. */
rtx subtarget = target == shifted ? 0 : target;
- tree new_amount, other_amount;
+ rtx new_amount, other_amount;
rtx temp1;
- tree type = TREE_TYPE (amount);
- if (GET_MODE (op1) != TYPE_MODE (type)
- && GET_MODE (op1) != VOIDmode)
- op1 = convert_to_mode (TYPE_MODE (type), op1, 1);
- new_amount = make_tree (type, op1);
- other_amount
- = fold_build2 (MINUS_EXPR, type,
- build_int_cst (type, GET_MODE_BITSIZE (mode)),
- new_amount);
+
+ new_amount = op1;
+ if (CONST_INT_P (op1))
+ other_amount = GEN_INT (GET_MODE_BITSIZE (mode)
+ - INTVAL (op1));
+ else
+ other_amount
+ = simplify_gen_binary (MINUS, GET_MODE (op1),
+ GEN_INT (GET_MODE_PRECISION (mode)),
+ op1);
shifted = force_reg (mode, shifted);
- temp = expand_shift (left ? LSHIFT_EXPR : RSHIFT_EXPR,
- mode, shifted, new_amount, 0, 1);
- temp1 = expand_shift (left ? RSHIFT_EXPR : LSHIFT_EXPR,
- mode, shifted, other_amount, subtarget, 1);
+ temp = expand_shift_1 (left ? LSHIFT_EXPR : RSHIFT_EXPR,
+ mode, shifted, new_amount, 0, 1);
+ temp1 = expand_shift_1 (left ? RSHIFT_EXPR : LSHIFT_EXPR,
+ mode, shifted, other_amount,
+ subtarget, 1);
return expand_binop (mode, ior_optab, temp, temp1, target,
unsignedp, methods);
}
gcc_assert (temp);
return temp;
}
+
+/* Output a shift instruction for expression code CODE,
+ with SHIFTED being the rtx for the value to shift,
+ and AMOUNT the amount to shift by.
+ Store the result in the rtx TARGET, if that is convenient.
+ If UNSIGNEDP is nonzero, do a logical shift; otherwise, arithmetic.
+ Return the rtx for where the value is. */
+
+rtx
+expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
+ int amount, rtx target, int unsignedp)
+{
+ return expand_shift_1 (code, mode,
+ shifted, GEN_INT (amount), target, unsignedp);
+}
+
+/* Output a shift instruction for expression code CODE,
+ with SHIFTED being the rtx for the value to shift,
+ and AMOUNT the tree for the amount to shift by.
+ Store the result in the rtx TARGET, if that is convenient.
+ If UNSIGNEDP is nonzero, do a logical shift; otherwise, arithmetic.
+ Return the rtx for where the value is. */
+
+rtx
+expand_variable_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
+ tree amount, rtx target, int unsignedp)
+{
+ return expand_shift_1 (code, mode,
+ shifted, expand_normal (amount), target, unsignedp);
+}
+
\f
/* Indicates the type of fixup needed after a constant multiplication.
BASIC_VARIANT means no fixup is needed, NEGATE_VARIANT means that
switch (alg->op[opno])
{
case alg_shift:
- tem = expand_shift (LSHIFT_EXPR, mode, accum,
- build_int_cst (NULL_TREE, log),
- NULL_RTX, 0);
+ tem = expand_shift (LSHIFT_EXPR, mode, accum, log, NULL_RTX, 0);
/* REG_EQUAL note will be attached to the following insn. */
emit_move_insn (accum, tem);
val_so_far <<= log;
break;
case alg_add_t_m2:
- tem = expand_shift (LSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, log),
- NULL_RTX, 0);
+ tem = expand_shift (LSHIFT_EXPR, mode, op0, log, NULL_RTX, 0);
accum = force_operand (gen_rtx_PLUS (mode, accum, tem),
add_target ? add_target : accum_target);
val_so_far += (HOST_WIDE_INT) 1 << log;
break;
case alg_sub_t_m2:
- tem = expand_shift (LSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, log),
- NULL_RTX, 0);
+ tem = expand_shift (LSHIFT_EXPR, mode, op0, log, NULL_RTX, 0);
accum = force_operand (gen_rtx_MINUS (mode, accum, tem),
add_target ? add_target : accum_target);
val_so_far -= (HOST_WIDE_INT) 1 << log;
case alg_add_t2_m:
accum = expand_shift (LSHIFT_EXPR, mode, accum,
- build_int_cst (NULL_TREE, log),
- shift_subtarget,
- 0);
+ log, shift_subtarget, 0);
accum = force_operand (gen_rtx_PLUS (mode, accum, op0),
add_target ? add_target : accum_target);
val_so_far = (val_so_far << log) + 1;
case alg_sub_t2_m:
accum = expand_shift (LSHIFT_EXPR, mode, accum,
- build_int_cst (NULL_TREE, log),
- shift_subtarget, 0);
+ log, shift_subtarget, 0);
accum = force_operand (gen_rtx_MINUS (mode, accum, op0),
add_target ? add_target : accum_target);
val_so_far = (val_so_far << log) - 1;
break;
case alg_add_factor:
- tem = expand_shift (LSHIFT_EXPR, mode, accum,
- build_int_cst (NULL_TREE, log),
- NULL_RTX, 0);
+ tem = expand_shift (LSHIFT_EXPR, mode, accum, log, NULL_RTX, 0);
accum = force_operand (gen_rtx_PLUS (mode, accum, tem),
add_target ? add_target : accum_target);
val_so_far += val_so_far << log;
break;
case alg_sub_factor:
- tem = expand_shift (LSHIFT_EXPR, mode, accum,
- build_int_cst (NULL_TREE, log),
- NULL_RTX, 0);
+ tem = expand_shift (LSHIFT_EXPR, mode, accum, log, NULL_RTX, 0);
accum = force_operand (gen_rtx_MINUS (mode, tem, accum),
(add_target
? add_target : (optimize ? 0 : tem)));
result is interpreted as an unsigned coefficient.
Exclude cost of op0 from max_cost to match the cost
calculation of the synth_mult. */
- max_cost = rtx_cost (gen_rtx_MULT (mode, fake_reg, op1), SET, speed)
- - neg_cost[speed][mode];
+ max_cost = (set_src_cost (gen_rtx_MULT (mode, fake_reg, op1),
+ speed)
+ - neg_cost[speed][mode]);
if (max_cost > 0
&& choose_mult_variant (mode, -INTVAL (op1), &algorithm,
&variant, max_cost))
int shift = floor_log2 (CONST_DOUBLE_HIGH (op1))
+ HOST_BITS_PER_WIDE_INT;
return expand_shift (LSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, shift),
- target, unsignedp);
+ shift, target, unsignedp);
}
}
/* Special case powers of two. */
if (EXACT_POWER_OF_2_OR_ZERO_P (coeff))
return expand_shift (LSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, floor_log2 (coeff)),
- target, unsignedp);
+ floor_log2 (coeff), target, unsignedp);
/* Exclude cost of op0 from max_cost to match the cost
calculation of the synth_mult. */
- max_cost = rtx_cost (gen_rtx_MULT (mode, fake_reg, op1), SET, speed);
+ max_cost = set_src_cost (gen_rtx_MULT (mode, fake_reg, op1), speed);
if (choose_mult_variant (mode, coeff, &algorithm, &variant,
max_cost))
return expand_mult_const (mode, op0, coeff, target,
this_optab == umul_widen_optab))
&& CONST_INT_P (cop1)
&& (INTVAL (cop1) >= 0
- || GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT))
+ || HWI_COMPUTABLE_MODE_P (mode)))
{
HOST_WIDE_INT coeff = INTVAL (cop1);
int max_cost;
{
op0 = convert_to_mode (mode, op0, this_optab == umul_widen_optab);
return expand_shift (LSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, floor_log2 (coeff)),
- target, unsignedp);
+ floor_log2 (coeff), target, unsignedp);
}
/* Exclude cost of op0 from max_cost to match the cost
enum rtx_code adj_code = unsignedp ? PLUS : MINUS;
tem = expand_shift (RSHIFT_EXPR, mode, op0,
- build_int_cst (NULL_TREE, GET_MODE_BITSIZE (mode) - 1),
- NULL_RTX, 0);
+ GET_MODE_BITSIZE (mode) - 1, NULL_RTX, 0);
tem = expand_and (mode, tem, op1, NULL_RTX);
adj_operand
= force_operand (gen_rtx_fmt_ee (adj_code, mode, adj_operand, tem),
adj_operand);
tem = expand_shift (RSHIFT_EXPR, mode, op1,
- build_int_cst (NULL_TREE, GET_MODE_BITSIZE (mode) - 1),
- NULL_RTX, 0);
+ GET_MODE_BITSIZE (mode) - 1, NULL_RTX, 0);
tem = expand_and (mode, tem, op0, NULL_RTX);
target = force_operand (gen_rtx_fmt_ee (adj_code, mode, adj_operand, tem),
target);
wider_mode = GET_MODE_WIDER_MODE (mode);
op = expand_shift (RSHIFT_EXPR, wider_mode, op,
- build_int_cst (NULL_TREE, GET_MODE_BITSIZE (mode)), 0, 1);
+ GET_MODE_BITSIZE (mode), 0, 1);
return convert_modes (mode, wider_mode, op, 0);
}
/* Try widening multiplication. */
moptab = unsignedp ? umul_widen_optab : smul_widen_optab;
- if (optab_handler (moptab, wider_mode) != CODE_FOR_nothing
+ if (widening_optab_handler (moptab, wider_mode, mode) != CODE_FOR_nothing
&& mul_widen_cost[speed][wider_mode] < max_cost)
{
tem = expand_binop (wider_mode, moptab, op0, narrow_op1, 0,
/* Try widening multiplication of opposite signedness, and adjust. */
moptab = unsignedp ? smul_widen_optab : umul_widen_optab;
- if (optab_handler (moptab, wider_mode) != CODE_FOR_nothing
+ if (widening_optab_handler (moptab, wider_mode, mode) != CODE_FOR_nothing
&& size - 1 < BITS_PER_WORD
&& (mul_widen_cost[speed][wider_mode] + 2 * shift_cost[speed][mode][size-1]
+ 4 * add_cost[speed][mode] < max_cost))
gcc_assert (!SCALAR_FLOAT_MODE_P (mode));
/* We can't support modes wider than HOST_BITS_PER_INT. */
- gcc_assert (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT);
+ gcc_assert (HWI_COMPUTABLE_MODE_P (mode));
cnst1 = INTVAL (op1) & GET_MODE_MASK (mode);
temp = gen_rtx_LSHIFTRT (mode, result, shift);
if (optab_handler (lshr_optab, mode) == CODE_FOR_nothing
- || rtx_cost (temp, SET, optimize_insn_for_speed_p ()) > COSTS_N_INSNS (2))
+ || (set_src_cost (temp, optimize_insn_for_speed_p ())
+ > COSTS_N_INSNS (2)))
{
temp = expand_binop (mode, xor_optab, op0, signmask,
NULL_RTX, 1, OPTAB_LIB_WIDEN);
expand_sdiv_pow2 (enum machine_mode mode, rtx op0, HOST_WIDE_INT d)
{
rtx temp, label;
- tree shift;
int logd;
logd = floor_log2 (d);
- shift = build_int_cst (NULL_TREE, logd);
if (d == 2
&& BRANCH_COST (optimize_insn_for_speed_p (),
temp = emit_store_flag (temp, LT, op0, const0_rtx, mode, 0, 1);
temp = expand_binop (mode, add_optab, temp, op0, NULL_RTX,
0, OPTAB_LIB_WIDEN);
- return expand_shift (RSHIFT_EXPR, mode, temp, shift, NULL_RTX, 0);
+ return expand_shift (RSHIFT_EXPR, mode, temp, logd, NULL_RTX, 0);
}
#ifdef HAVE_conditional_move
rtx seq = get_insns ();
end_sequence ();
emit_insn (seq);
- return expand_shift (RSHIFT_EXPR, mode, temp2, shift, NULL_RTX, 0);
+ return expand_shift (RSHIFT_EXPR, mode, temp2, logd, NULL_RTX, 0);
}
end_sequence ();
}
NULL_RTX, 0, OPTAB_LIB_WIDEN);
else
temp = expand_shift (RSHIFT_EXPR, mode, temp,
- build_int_cst (NULL_TREE, ushift),
- NULL_RTX, 1);
+ ushift, NULL_RTX, 1);
temp = expand_binop (mode, add_optab, temp, op0, NULL_RTX,
0, OPTAB_LIB_WIDEN);
- return expand_shift (RSHIFT_EXPR, mode, temp, shift, NULL_RTX, 0);
+ return expand_shift (RSHIFT_EXPR, mode, temp, logd, NULL_RTX, 0);
}
label = gen_label_rtx ();
do_cmp_and_jump (temp, const0_rtx, GE, mode, label);
expand_inc (temp, GEN_INT (d - 1));
emit_label (label);
- return expand_shift (RSHIFT_EXPR, mode, temp, shift, NULL_RTX, 0);
+ return expand_shift (RSHIFT_EXPR, mode, temp, logd, NULL_RTX, 0);
}
\f
/* Emit the code to divide OP0 by OP1, putting the result in TARGET
return gen_lowpart (mode, remainder);
}
quotient = expand_shift (RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE,
- pre_shift),
- tquotient, 1);
+ pre_shift, tquotient, 1);
}
else if (size <= HOST_BITS_PER_WIDE_INT)
{
t2 = force_operand (gen_rtx_MINUS (compute_mode,
op0, t1),
NULL_RTX);
- t3 = expand_shift (RSHIFT_EXPR, compute_mode, t2,
- integer_one_node, NULL_RTX, 1);
+ t3 = expand_shift (RSHIFT_EXPR, compute_mode,
+ t2, 1, NULL_RTX, 1);
t4 = force_operand (gen_rtx_PLUS (compute_mode,
t1, t3),
NULL_RTX);
quotient = expand_shift
(RSHIFT_EXPR, compute_mode, t4,
- build_int_cst (NULL_TREE, post_shift - 1),
- tquotient, 1);
+ post_shift - 1, tquotient, 1);
}
else
{
t1 = expand_shift
(RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, pre_shift),
- NULL_RTX, 1);
+ pre_shift, NULL_RTX, 1);
extra_cost
= (shift_cost[speed][compute_mode][pre_shift]
+ shift_cost[speed][compute_mode][post_shift]);
goto fail1;
quotient = expand_shift
(RSHIFT_EXPR, compute_mode, t2,
- build_int_cst (NULL_TREE, post_shift),
- tquotient, 1);
+ post_shift, tquotient, 1);
}
}
}
goto fail1;
t2 = expand_shift
(RSHIFT_EXPR, compute_mode, t1,
- build_int_cst (NULL_TREE, post_shift),
- NULL_RTX, 0);
+ post_shift, NULL_RTX, 0);
t3 = expand_shift
(RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, size - 1),
- NULL_RTX, 0);
+ size - 1, NULL_RTX, 0);
if (d < 0)
quotient
= force_operand (gen_rtx_MINUS (compute_mode,
NULL_RTX);
t3 = expand_shift
(RSHIFT_EXPR, compute_mode, t2,
- build_int_cst (NULL_TREE, post_shift),
- NULL_RTX, 0);
+ post_shift, NULL_RTX, 0);
t4 = expand_shift
(RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, size - 1),
- NULL_RTX, 0);
+ size - 1, NULL_RTX, 0);
if (d < 0)
quotient
= force_operand (gen_rtx_MINUS (compute_mode,
}
quotient = expand_shift
(RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, pre_shift),
- tquotient, 0);
+ pre_shift, tquotient, 0);
}
else
{
{
t1 = expand_shift
(RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, size - 1),
- NULL_RTX, 0);
+ size - 1, NULL_RTX, 0);
t2 = expand_binop (compute_mode, xor_optab, op0, t1,
NULL_RTX, 0, OPTAB_WIDEN);
extra_cost = (shift_cost[speed][compute_mode][post_shift]
{
t4 = expand_shift
(RSHIFT_EXPR, compute_mode, t3,
- build_int_cst (NULL_TREE, post_shift),
- NULL_RTX, 1);
+ post_shift, NULL_RTX, 1);
quotient = expand_binop (compute_mode, xor_optab,
t4, t1, tquotient, 0,
OPTAB_WIDEN);
0, OPTAB_WIDEN);
nsign = expand_shift
(RSHIFT_EXPR, compute_mode, t2,
- build_int_cst (NULL_TREE, size - 1),
- NULL_RTX, 0);
+ size - 1, NULL_RTX, 0);
t3 = force_operand (gen_rtx_MINUS (compute_mode, t1, nsign),
NULL_RTX);
t4 = expand_divmod (0, TRUNC_DIV_EXPR, compute_mode, t3, op1,
rtx t1, t2, t3;
unsigned HOST_WIDE_INT d = INTVAL (op1);
t1 = expand_shift (RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, floor_log2 (d)),
- tquotient, 1);
+ floor_log2 (d), tquotient, 1);
t2 = expand_binop (compute_mode, and_optab, op0,
GEN_INT (d - 1),
NULL_RTX, 1, OPTAB_LIB_WIDEN);
rtx t1, t2, t3;
unsigned HOST_WIDE_INT d = INTVAL (op1);
t1 = expand_shift (RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, floor_log2 (d)),
- tquotient, 0);
+ floor_log2 (d), tquotient, 0);
t2 = expand_binop (compute_mode, and_optab, op0,
GEN_INT (d - 1),
NULL_RTX, 1, OPTAB_LIB_WIDEN);
pre_shift = floor_log2 (d & -d);
ml = invert_mod2n (d >> pre_shift, size);
t1 = expand_shift (RSHIFT_EXPR, compute_mode, op0,
- build_int_cst (NULL_TREE, pre_shift),
- NULL_RTX, unsignedp);
+ pre_shift, NULL_RTX, unsignedp);
quotient = expand_mult (compute_mode, t1,
gen_int_mode (ml, compute_mode),
NULL_RTX, 1);
remainder, 1, OPTAB_LIB_WIDEN);
}
tem = plus_constant (op1, -1);
- tem = expand_shift (RSHIFT_EXPR, compute_mode, tem,
- integer_one_node, NULL_RTX, 1);
+ tem = expand_shift (RSHIFT_EXPR, compute_mode, tem, 1, NULL_RTX, 1);
do_cmp_and_jump (remainder, tem, LEU, compute_mode, label);
expand_inc (quotient, const1_rtx);
expand_dec (remainder, op1);
abs_rem = expand_abs (compute_mode, remainder, NULL_RTX, 1, 0);
abs_op1 = expand_abs (compute_mode, op1, NULL_RTX, 1, 0);
tem = expand_shift (LSHIFT_EXPR, compute_mode, abs_rem,
- integer_one_node, NULL_RTX, 1);
+ 1, NULL_RTX, 1);
do_cmp_and_jump (tem, abs_op1, LTU, compute_mode, label);
tem = expand_binop (compute_mode, xor_optab, op0, op1,
NULL_RTX, 0, OPTAB_WIDEN);
mask = expand_shift (RSHIFT_EXPR, compute_mode, tem,
- build_int_cst (NULL_TREE, size - 1),
- NULL_RTX, 0);
+ size - 1, NULL_RTX, 0);
tem = expand_binop (compute_mode, xor_optab, mask, const1_rtx,
NULL_RTX, 0, OPTAB_WIDEN);
tem = expand_binop (compute_mode, sub_optab, tem, mask,
if (GET_MODE_SIZE (target_mode) > GET_MODE_SIZE (result_mode))
{
convert_move (target, subtarget,
- (GET_MODE_BITSIZE (result_mode) <= HOST_BITS_PER_WIDE_INT)
- && 0 == (STORE_FLAG_VALUE
- & ((HOST_WIDE_INT) 1
- << (GET_MODE_BITSIZE (result_mode) -1))));
+ val_signbit_known_clear_p (result_mode,
+ STORE_FLAG_VALUE));
op0 = target;
result_mode = target_mode;
}
/* We don't want to use STORE_FLAG_VALUE < 0 below since this makes
it hard to use a value of just the sign bit due to ANSI integer
constant typing rules. */
- else if (GET_MODE_BITSIZE (result_mode) <= HOST_BITS_PER_WIDE_INT
- && (STORE_FLAG_VALUE
- & ((HOST_WIDE_INT) 1 << (GET_MODE_BITSIZE (result_mode) - 1))))
+ else if (val_signbit_known_set_p (result_mode, STORE_FLAG_VALUE))
op0 = expand_shift (RSHIFT_EXPR, result_mode, op0,
- size_int (GET_MODE_BITSIZE (result_mode) - 1), subtarget,
+ GET_MODE_BITSIZE (result_mode) - 1, subtarget,
normalizep == 1);
else
{
target = gen_reg_rtx (target_mode);
convert_move (target, tem,
- 0 == ((normalizep ? normalizep : STORE_FLAG_VALUE)
- & ((HOST_WIDE_INT) 1
- << (GET_MODE_BITSIZE (word_mode) -1))));
+ !val_signbit_known_set_p (word_mode,
+ (normalizep ? normalizep
+ : STORE_FLAG_VALUE)));
return target;
}
}
if (op1 == const0_rtx && (code == LT || code == GE)
&& GET_MODE_CLASS (mode) == MODE_INT
&& (normalizep || STORE_FLAG_VALUE == 1
- || (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT
- && ((STORE_FLAG_VALUE & GET_MODE_MASK (mode))
- == ((unsigned HOST_WIDE_INT) 1
- << (GET_MODE_BITSIZE (mode) - 1))))))
+ || val_signbit_p (mode, STORE_FLAG_VALUE)))
{
subtarget = target;
a logical shift from the sign bit to the low-order bit; for
a -1/0 value, we do an arithmetic shift. */
op0 = expand_shift (RSHIFT_EXPR, mode, op0,
- size_int (GET_MODE_BITSIZE (mode) - 1),
+ GET_MODE_BITSIZE (mode) - 1,
subtarget, normalizep != -1);
if (mode != target_mode)
if (STORE_FLAG_VALUE == 1 || STORE_FLAG_VALUE == -1)
normalizep = STORE_FLAG_VALUE;
- else if (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT
- && ((STORE_FLAG_VALUE & GET_MODE_MASK (mode))
- == (unsigned HOST_WIDE_INT) 1 << (GET_MODE_BITSIZE (mode) - 1)))
+ else if (val_signbit_p (mode, STORE_FLAG_VALUE))
;
else
return 0;
/* For the reverse comparison, use either an addition or a XOR. */
if (want_add
- && rtx_cost (GEN_INT (normalizep), PLUS,
+ && rtx_cost (GEN_INT (normalizep), PLUS, 1,
optimize_insn_for_speed_p ()) == 0)
{
tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0,
target, 0, OPTAB_WIDEN);
}
else if (!want_add
- && rtx_cost (trueval, XOR,
+ && rtx_cost (trueval, XOR, 1,
optimize_insn_for_speed_p ()) == 0)
{
tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0,
/* Again, for the reverse comparison, use either an addition or a XOR. */
if (want_add
- && rtx_cost (GEN_INT (normalizep), PLUS,
+ && rtx_cost (GEN_INT (normalizep), PLUS, 1,
optimize_insn_for_speed_p ()) == 0)
{
tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0,
GEN_INT (normalizep), target, 0, OPTAB_WIDEN);
}
else if (!want_add
- && rtx_cost (trueval, XOR,
+ && rtx_cost (trueval, XOR, 1,
optimize_insn_for_speed_p ()) == 0)
{
tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0,
subtarget = 0;
tem = expand_shift (RSHIFT_EXPR, mode, op0,
- size_int (GET_MODE_BITSIZE (mode) - 1),
+ GET_MODE_BITSIZE (mode) - 1,
subtarget, 0);
tem = expand_binop (mode, sub_optab, tem, op0, subtarget, 0,
OPTAB_WIDEN);
if (tem && normalizep)
tem = expand_shift (RSHIFT_EXPR, mode, tem,
- size_int (GET_MODE_BITSIZE (mode) - 1),
+ GET_MODE_BITSIZE (mode) - 1,
subtarget, normalizep == 1);
if (tem)
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