2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
+ Alan Hayward <alan.hayward@arm.com>
+ David Sherwood <david.sherwood@arm.com>
+
+ * machmode.h (mode_nunits): Change from unsigned char to
+ poly_uint16_pod.
+ (ONLY_FIXED_SIZE_MODES): New macro.
+ (pod_mode::measurement_type, scalar_int_mode::measurement_type)
+ (scalar_float_mode::measurement_type, scalar_mode::measurement_type)
+ (complex_mode::measurement_type, fixed_size_mode::measurement_type):
+ New typedefs.
+ (mode_to_nunits): Return a poly_uint16 rather than an unsigned short.
+ (GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES,
+ or if measurement_type is not polynomial.
+ * genmodes.c (ZERO_COEFFS): New macro.
+ (emit_mode_nunits_inline): Make mode_nunits_inline return a
+ poly_uint16.
+ (emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod.
+ Use ZERO_COEFFS when emitting initializers.
+ * data-streamer.h (bp_pack_poly_value): New function.
+ (bp_unpack_poly_value): Likewise.
+ * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
+ for GET_MODE_NUNITS.
+ * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
+ for GET_MODE_NUNITS.
+ * tree.c (make_vector_type): Remove temporary shim and make
+ the real function take the number of units as a poly_uint64
+ rather than an int.
+ (build_vector_type_for_mode): Handle polynomial nunits.
+ * dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise.
+ * emit-rtl.c (const_vec_series_p_1): Likewise.
+ (gen_rtx_CONST_VECTOR): Likewise.
+ * fold-const.c (test_vec_duplicate_folding): Likewise.
+ * genrecog.c (validate_pattern): Likewise.
+ * optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise.
+ * optabs-tree.c (expand_vec_cond_expr_p): Likewise.
+ * optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise.
+ (shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise.
+ (expand_vec_cond_expr, expand_mult_highpart): Likewise.
+ * rtlanal.c (subreg_get_info): Likewise.
+ * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise.
+ (vect_grouped_load_supported): Likewise.
+ * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
+ * tree-vect-loop.c (have_whole_vector_shift): Likewise.
+ * simplify-rtx.c (simplify_unary_operation_1): Likewise.
+ (simplify_const_unary_operation, simplify_binary_operation_1)
+ (simplify_const_binary_operation, simplify_ternary_operation)
+ (test_vector_ops_duplicate, test_vector_ops): Likewise.
+ (simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode
+ instead of CONST_VECTOR_NUNITS.
+ * varasm.c (output_constant_pool_2): Likewise.
+ * rtx-vector-builder.c (rtx_vector_builder::build): Only include the
+ explicit-encoded elements in the XVEC for variable-length vectors.
+
+2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
* lra-constraints.c (curr_insn_transform): Use partial_subreg_p.
+2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
+ Alan Hayward <alan.hayward@arm.com>
+ David Sherwood <david.sherwood@arm.com>
+
+ * gcc-interface/misc.c (enumerate_modes): Handle polynomial
+ GET_MODE_NUNITS.
+
2018-01-03 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
}
/* If no predefined C types were found, register the mode itself. */
- if (!skip_p)
+ int nunits;
+ if (!skip_p && GET_MODE_NUNITS (i).is_constant (&nunits))
f (GET_MODE_NAME (i), digs, complex_p,
- vector_p ? GET_MODE_NUNITS (i) : 0, float_rep,
+ vector_p ? nunits : 0, float_rep,
GET_MODE_PRECISION (i), GET_MODE_BITSIZE (i),
GET_MODE_ALIGNMENT (i));
}
bp->pos = pos;
}
+/* Pack VAL into the bit-packing context BP, using NBITS for each
+ coefficient. */
+static inline void
+bp_pack_poly_value (struct bitpack_d *bp,
+ const poly_int<NUM_POLY_INT_COEFFS, bitpack_word_t> &val,
+ unsigned nbits)
+{
+ for (int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
+ bp_pack_value (bp, val.coeffs[i], nbits);
+}
+
/* Finishes bit-packing of BP. */
static inline void
streamer_write_bitpack (struct bitpack_d *bp)
return val & mask;
}
+/* Unpacks a polynomial value from the bit-packing context BP in which each
+ coefficient has NBITS bits. */
+static inline poly_int<NUM_POLY_INT_COEFFS, bitpack_word_t>
+bp_unpack_poly_value (struct bitpack_d *bp, unsigned nbits)
+{
+ poly_int_pod<NUM_POLY_INT_COEFFS, bitpack_word_t> x;
+ for (int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
+ x.coeffs[i] = bp_unpack_value (bp, nbits);
+ return x;
+}
+
/* Write a character to the output block. */
if (mode != VOIDmode && (dwarf_version >= 4 || !dwarf_strict))
{
+ unsigned int length;
+ if (!CONST_VECTOR_NUNITS (rtl).is_constant (&length))
+ return NULL;
+
unsigned int elt_size = GET_MODE_UNIT_SIZE (GET_MODE (rtl));
- unsigned int length = CONST_VECTOR_NUNITS (rtl);
unsigned char *array
= ggc_vec_alloc<unsigned char> (length * elt_size);
unsigned int i;
case CONST_VECTOR:
{
+ unsigned int length;
+ if (!CONST_VECTOR_NUNITS (rtl).is_constant (&length))
+ return false;
+
machine_mode mode = GET_MODE (rtl);
unsigned int elt_size = GET_MODE_UNIT_SIZE (mode);
- unsigned int length = CONST_VECTOR_NUNITS (rtl);
unsigned char *array
= ggc_vec_alloc<unsigned char> (length * elt_size);
unsigned int i;
/* A non-duplicated vector with two elements can always be seen as a
series with a nonzero step. Longer vectors must have a stepped
encoding. */
- if (CONST_VECTOR_NUNITS (x) != 2
+ if (maybe_ne (CONST_VECTOR_NUNITS (x), 2)
&& !CONST_VECTOR_STEPPED_P (x))
return false;
rtx
gen_rtx_CONST_VECTOR (machine_mode mode, rtvec v)
{
- gcc_assert (GET_MODE_NUNITS (mode) == GET_NUM_ELEM (v));
+ gcc_assert (known_eq (GET_MODE_NUNITS (mode), GET_NUM_ELEM (v)));
/* If the values are all the same, check to see if we can use one of the
standard constant vectors. */
scalar_int_mode int_mode = SCALAR_INT_TYPE_MODE (ssizetype);
machine_mode vec_mode = targetm.vectorize.preferred_simd_mode (int_mode);
/* This will be 1 if VEC_MODE isn't a vector mode. */
- unsigned int nunits = GET_MODE_NUNITS (vec_mode);
+ poly_uint64 nunits = GET_MODE_NUNITS (vec_mode);
tree type = build_vector_type (ssizetype, nunits);
tree dup5_expr = fold_unary (VEC_DUPLICATE_EXPR, type, ssize_int (5));
}
}
+/* Text to add to the constant part of a poly_int_pod initializer in
+ order to fill out te whole structure. */
+#if NUM_POLY_INT_COEFFS == 1
+#define ZERO_COEFFS ""
+#elif NUM_POLY_INT_COEFFS == 2
+#define ZERO_COEFFS ", 0"
+#else
+#error "Unknown value of NUM_POLY_INT_COEFFS"
+#endif
+
/* Output routines. */
#define tagged_printf(FMT, ARG, TAG) do { \
#else\n\
extern __inline__ __attribute__((__always_inline__, __gnu_inline__))\n\
#endif\n\
-unsigned char\n\
+poly_uint16\n\
mode_nunits_inline (machine_mode mode)\n\
{\n\
- extern const unsigned char mode_nunits[NUM_MACHINE_MODES];\n\
- gcc_assert (mode >= 0 && mode < NUM_MACHINE_MODES);\n\
+ extern poly_uint16_pod mode_nunits[NUM_MACHINE_MODES];\n\
switch (mode)\n\
{");
int c;
struct mode_data *m;
- print_decl ("unsigned char", "mode_nunits", "NUM_MACHINE_MODES");
+ print_decl ("poly_uint16_pod", "mode_nunits", "NUM_MACHINE_MODES");
for_all_modes (c, m)
- tagged_printf ("%u", m->ncomponents, m->name);
+ tagged_printf ("{ %u" ZERO_COEFFS " }", m->ncomponents, m->name);
print_closer ();
}
= VECTOR_MODE_P (mode) ? GET_MODE_INNER (mode) : mode;
if (GET_CODE (XEXP (pattern, 1)) == PARALLEL)
{
- int expected = VECTOR_MODE_P (mode) ? GET_MODE_NUNITS (mode) : 1;
- if (XVECLEN (XEXP (pattern, 1), 0) != expected)
+ int expected = 1;
+ unsigned int nelems;
+ if (VECTOR_MODE_P (mode)
+ && !GET_MODE_NUNITS (mode).is_constant (&expected))
+ error_at (info->loc,
+ "vec_select with variable-sized mode %s",
+ GET_MODE_NAME (mode));
+ else if (XVECLEN (XEXP (pattern, 1), 0) != expected)
error_at (info->loc,
"vec_select parallel with %d elements, expected %d",
XVECLEN (XEXP (pattern, 1), 0), expected);
- else if (VECTOR_MODE_P (imode))
+ else if (VECTOR_MODE_P (imode)
+ && GET_MODE_NUNITS (imode).is_constant (&nelems))
{
- unsigned int nelems = GET_MODE_NUNITS (imode);
int i;
for (i = 0; i < expected; ++i)
if (CONST_INT_P (XVECEXP (XEXP (pattern, 1), 0, i))
unsigned int size = bp_unpack_value (&bp, 8);
unsigned int prec = bp_unpack_value (&bp, 16);
machine_mode inner = (machine_mode) bp_unpack_value (&bp, 8);
- unsigned int nunits = bp_unpack_value (&bp, 8);
+ poly_uint16 nunits = bp_unpack_poly_value (&bp, 16);
unsigned int ibit = 0, fbit = 0;
unsigned int real_fmt_len = 0;
const char *real_fmt_name = NULL;
: GET_MODE_INNER (mr) != table[(int) inner])
|| GET_MODE_IBIT (mr) != ibit
|| GET_MODE_FBIT (mr) != fbit
- || GET_MODE_NUNITS (mr) != nunits)
+ || maybe_ne (GET_MODE_NUNITS (mr), nunits))
continue;
else if ((mclass == MODE_FLOAT || mclass == MODE_DECIMAL_FLOAT)
&& strcmp (REAL_MODE_FORMAT (mr)->name, real_fmt_name) != 0)
bp_pack_value (&bp, GET_MODE_SIZE (m), 8);
bp_pack_value (&bp, GET_MODE_PRECISION (m), 16);
bp_pack_value (&bp, GET_MODE_INNER (m), 8);
- bp_pack_value (&bp, GET_MODE_NUNITS (m), 8);
+ bp_pack_poly_value (&bp, GET_MODE_NUNITS (m), 16);
switch (GET_MODE_CLASS (m))
{
case MODE_FRACT:
extern CONST_MODE_SIZE unsigned short mode_size[NUM_MACHINE_MODES];
extern const unsigned short mode_precision[NUM_MACHINE_MODES];
extern const unsigned char mode_inner[NUM_MACHINE_MODES];
-extern const unsigned char mode_nunits[NUM_MACHINE_MODES];
+extern const poly_uint16_pod mode_nunits[NUM_MACHINE_MODES];
extern CONST_MODE_UNIT_SIZE unsigned char mode_unit_size[NUM_MACHINE_MODES];
extern const unsigned short mode_unit_precision[NUM_MACHINE_MODES];
extern const unsigned char mode_wider[NUM_MACHINE_MODES];
typedef machine_mode from_int;
};
+/* Always treat machine modes as fixed-size while compiling code specific
+ to targets that have no variable-size modes. */
+#if defined (IN_TARGET_CODE) && NUM_POLY_INT_COEFFS == 1
+#define ONLY_FIXED_SIZE_MODES 1
+#else
+#define ONLY_FIXED_SIZE_MODES 0
+#endif
+
/* Get the name of mode MODE as a string. */
extern const char * const mode_name[NUM_MACHINE_MODES];
struct pod_mode
{
typedef typename mode_traits<T>::from_int from_int;
+ typedef typename T::measurement_type measurement_type;
machine_mode m_mode;
ALWAYS_INLINE operator machine_mode () const { return m_mode; }
{
public:
typedef mode_traits<scalar_int_mode>::from_int from_int;
+ typedef unsigned short measurement_type;
ALWAYS_INLINE scalar_int_mode () {}
ALWAYS_INLINE scalar_int_mode (from_int m) : m_mode (machine_mode (m)) {}
{
public:
typedef mode_traits<scalar_float_mode>::from_int from_int;
+ typedef unsigned short measurement_type;
ALWAYS_INLINE scalar_float_mode () {}
ALWAYS_INLINE scalar_float_mode (from_int m) : m_mode (machine_mode (m)) {}
{
public:
typedef mode_traits<scalar_mode>::from_int from_int;
+ typedef unsigned short measurement_type;
ALWAYS_INLINE scalar_mode () {}
ALWAYS_INLINE scalar_mode (from_int m) : m_mode (machine_mode (m)) {}
{
public:
typedef mode_traits<complex_mode>::from_int from_int;
+ typedef unsigned short measurement_type;
ALWAYS_INLINE complex_mode () {}
ALWAYS_INLINE complex_mode (from_int m) : m_mode (machine_mode (m)) {}
/* Return the base GET_MODE_NUNITS value for MODE. */
-ALWAYS_INLINE unsigned short
+ALWAYS_INLINE poly_uint16
mode_to_nunits (machine_mode mode)
{
#if GCC_VERSION >= 4001
/* Get the number of units in an object of mode MODE. This is 2 for
complex modes and the number of elements for vector modes. */
-#define GET_MODE_NUNITS(MODE) (mode_to_nunits (MODE))
+#if ONLY_FIXED_SIZE_MODES
+#define GET_MODE_NUNITS(MODE) (mode_to_nunits (MODE).coeffs[0])
+#else
+ALWAYS_INLINE poly_uint16
+GET_MODE_NUNITS (machine_mode mode)
+{
+ return mode_to_nunits (mode);
+}
+
+template<typename T>
+ALWAYS_INLINE typename if_poly<typename T::measurement_type>::type
+GET_MODE_NUNITS (const T &mode)
+{
+ return mode_to_nunits (mode);
+}
+
+template<typename T>
+ALWAYS_INLINE typename if_nonpoly<typename T::measurement_type>::type
+GET_MODE_NUNITS (const T &mode)
+{
+ return mode_to_nunits (mode).coeffs[0];
+}
+#endif
/* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI). */
{
public:
typedef mode_traits<fixed_size_mode>::from_int from_int;
+ typedef unsigned short measurement_type;
ALWAYS_INLINE fixed_size_mode () {}
ALWAYS_INLINE fixed_size_mode (from_int m) : m_mode (machine_mode (m)) {}
/* We allow fallback to a QI vector mode, and adjust the mask. */
machine_mode qimode;
if (!qimode_for_vec_perm (mode).exists (&qimode)
- || GET_MODE_NUNITS (qimode) > GET_MODE_MASK (QImode) + 1)
+ || maybe_gt (GET_MODE_NUNITS (qimode), GET_MODE_MASK (QImode) + 1))
return false;
if (direct_optab_handler (vec_perm_optab, qimode) == CODE_FOR_nothing)
can_mult_highpart_p (machine_mode mode, bool uns_p)
{
optab op;
- unsigned i, nunits;
op = uns_p ? umul_highpart_optab : smul_highpart_optab;
if (optab_handler (op, mode) != CODE_FOR_nothing)
if (GET_MODE_CLASS (mode) != MODE_VECTOR_INT)
return 0;
- nunits = GET_MODE_NUNITS (mode);
+ poly_int64 nunits = GET_MODE_NUNITS (mode);
op = uns_p ? vec_widen_umult_even_optab : vec_widen_smult_even_optab;
if (optab_handler (op, mode) != CODE_FOR_nothing)
{
/* The encoding has 2 interleaved stepped patterns. */
vec_perm_builder sel (nunits, 2, 3);
- for (i = 0; i < 6; ++i)
+ for (unsigned int i = 0; i < 6; ++i)
sel.quick_push (!BYTES_BIG_ENDIAN
+ (i & ~1)
+ ((i & 1) ? nunits : 0));
{
/* The encoding has a single stepped pattern. */
vec_perm_builder sel (nunits, 1, 3);
- for (int i = 0; i < 3; ++i)
+ for (unsigned int i = 0; i < 3; ++i)
sel.quick_push (2 * i + (BYTES_BIG_ENDIAN ? 0 : 1));
vec_perm_indices indices (sel, 2, nunits);
if (can_vec_perm_const_p (mode, indices))
return true;
if (GET_MODE_SIZE (value_mode) != GET_MODE_SIZE (cmp_op_mode)
- || GET_MODE_NUNITS (value_mode) != GET_MODE_NUNITS (cmp_op_mode))
+ || maybe_ne (GET_MODE_NUNITS (value_mode), GET_MODE_NUNITS (cmp_op_mode)))
return false;
if (get_vcond_icode (TYPE_MODE (value_type), TYPE_MODE (cmp_op_type),
rtx
expand_vector_broadcast (machine_mode vmode, rtx op)
{
- enum insn_code icode;
+ int n;
rtvec vec;
- rtx ret;
- int i, n;
gcc_checking_assert (VECTOR_MODE_P (vmode));
if (valid_for_const_vector_p (vmode, op))
return gen_const_vec_duplicate (vmode, op);
- icode = optab_handler (vec_duplicate_optab, vmode);
+ insn_code icode = optab_handler (vec_duplicate_optab, vmode);
if (icode != CODE_FOR_nothing)
{
struct expand_operand ops[2];
return ops[0].value;
}
+ if (!GET_MODE_NUNITS (vmode).is_constant (&n))
+ return NULL;
+
/* ??? If the target doesn't have a vec_init, then we have no easy way
of performing this operation. Most of this sort of generic support
is hidden away in the vector lowering support in gimple. */
if (icode == CODE_FOR_nothing)
return NULL;
- n = GET_MODE_NUNITS (vmode);
vec = rtvec_alloc (n);
- for (i = 0; i < n; ++i)
+ for (int i = 0; i < n; ++i)
RTVEC_ELT (vec, i) = op;
- ret = gen_reg_rtx (vmode);
+ rtx ret = gen_reg_rtx (vmode);
emit_insn (GEN_FCN (icode) (ret, gen_rtx_PARALLEL (vmode, vec)));
return ret;
arguments. */
tmp_mode = insn_data[(int) icode].operand[0].mode;
if (VECTOR_MODE_P (mode)
- && GET_MODE_NUNITS (tmp_mode) != 2 * GET_MODE_NUNITS (mode))
+ && maybe_ne (GET_MODE_NUNITS (tmp_mode), 2 * GET_MODE_NUNITS (mode)))
{
delete_insns_since (last);
return NULL_RTX;
static rtx
shift_amt_for_vec_perm_mask (machine_mode mode, const vec_perm_indices &sel)
{
- unsigned int nelt = GET_MODE_NUNITS (mode);
unsigned int bitsize = GET_MODE_UNIT_BITSIZE (mode);
poly_int64 first = sel[0];
- if (maybe_ge (sel[0], nelt))
+ if (maybe_ge (sel[0], GET_MODE_NUNITS (mode)))
return NULL_RTX;
if (!sel.series_p (0, 1, first, 1))
- for (unsigned int i = 1; i < nelt; i++)
- {
- poly_int64 expected = i + first;
- /* Indices into the second vector are all equivalent. */
- if (maybe_lt (sel[i], nelt)
- ? maybe_ne (sel[i], expected)
- : maybe_lt (expected, nelt))
- return NULL_RTX;
- }
+ {
+ unsigned int nelt;
+ if (!GET_MODE_NUNITS (mode).is_constant (&nelt))
+ return NULL_RTX;
+ for (unsigned int i = 1; i < nelt; i++)
+ {
+ poly_int64 expected = i + first;
+ /* Indices into the second vector are all equivalent. */
+ if (maybe_lt (sel[i], nelt)
+ ? maybe_ne (sel[i], expected)
+ : maybe_lt (expected, nelt))
+ return NULL_RTX;
+ }
+ }
return gen_int_shift_amount (mode, first * bitsize);
}
permutation to a byte-based permutation and try again. */
machine_mode qimode;
if (!qimode_for_vec_perm (mode).exists (&qimode)
- || GET_MODE_NUNITS (qimode) > GET_MODE_MASK (QImode) + 1)
+ || maybe_gt (GET_MODE_NUNITS (qimode), GET_MODE_MASK (QImode) + 1))
return NULL_RTX;
icode = direct_optab_handler (vec_perm_optab, qimode);
if (icode == CODE_FOR_nothing)
gcc_assert (GET_MODE_SIZE (mode) == GET_MODE_SIZE (cmp_op_mode)
- && GET_MODE_NUNITS (mode) == GET_MODE_NUNITS (cmp_op_mode));
+ && known_eq (GET_MODE_NUNITS (mode),
+ GET_MODE_NUNITS (cmp_op_mode)));
icode = get_vcond_icode (mode, cmp_op_mode, unsignedp);
if (icode == CODE_FOR_nothing)
{
struct expand_operand eops[3];
enum insn_code icode;
- int method, i, nunits;
+ int method, i;
machine_mode wmode;
rtx m1, m2;
optab tab1, tab2;
}
icode = optab_handler (tab1, mode);
- nunits = GET_MODE_NUNITS (mode);
wmode = insn_data[icode].operand[0].mode;
- gcc_checking_assert (2 * GET_MODE_NUNITS (wmode) == nunits);
+ gcc_checking_assert (known_eq (2 * GET_MODE_NUNITS (wmode),
+ GET_MODE_NUNITS (mode)));
gcc_checking_assert (GET_MODE_SIZE (wmode) == GET_MODE_SIZE (mode));
create_output_operand (&eops[0], gen_reg_rtx (wmode), wmode);
if (method == 2)
{
/* The encoding has 2 interleaved stepped patterns. */
- sel.new_vector (nunits, 2, 3);
+ sel.new_vector (GET_MODE_NUNITS (mode), 2, 3);
for (i = 0; i < 6; ++i)
sel.quick_push (!BYTES_BIG_ENDIAN + (i & ~1)
- + ((i & 1) ? nunits : 0));
+ + ((i & 1) ? GET_MODE_NUNITS (mode) : 0));
}
else
{
/* The encoding has a single interleaved stepped pattern. */
- sel.new_vector (nunits, 1, 3);
+ sel.new_vector (GET_MODE_NUNITS (mode), 1, 3);
for (i = 0; i < 3; ++i)
sel.quick_push (2 * i + (BYTES_BIG_ENDIAN ? 0 : 1));
}
if (HARD_REGNO_NREGS_HAS_PADDING (xregno, xmode))
{
/* As a consequence, we must be dealing with a constant number of
- scalars, and thus a constant offset. */
+ scalars, and thus a constant offset and number of units. */
HOST_WIDE_INT coffset = offset.to_constant ();
HOST_WIDE_INT cysize = ysize.to_constant ();
nregs_xmode = HARD_REGNO_NREGS_WITH_PADDING (xregno, xmode);
- unsigned int nunits = GET_MODE_NUNITS (xmode);
+ unsigned int nunits = GET_MODE_NUNITS (xmode).to_constant ();
scalar_mode xmode_unit = GET_MODE_INNER (xmode);
gcc_assert (HARD_REGNO_NREGS_HAS_PADDING (xregno, xmode_unit));
gcc_assert (nregs_xmode
if (x)
return x;
- unsigned int nelts = GET_MODE_NUNITS (m_mode);
+ unsigned int nelts;
+ if (!GET_MODE_NUNITS (m_mode).is_constant (&nelts))
+ nelts = encoded_nelts ();
rtvec v = rtvec_alloc (nelts);
for (unsigned int i = 0; i < nelts; ++i)
RTVEC_ELT (v, i) = elt (i);
/* If we know that the value is already truncated, we can
replace the TRUNCATE with a SUBREG. */
- if (GET_MODE_NUNITS (mode) == 1
+ if (known_eq (GET_MODE_NUNITS (mode), 1)
&& (TRULY_NOOP_TRUNCATION_MODES_P (mode, GET_MODE (op))
|| truncated_to_mode (mode, op)))
{
}
if (CONST_SCALAR_INT_P (op) || CONST_DOUBLE_AS_FLOAT_P (op))
return gen_const_vec_duplicate (mode, op);
- if (GET_CODE (op) == CONST_VECTOR)
+ unsigned int n_elts;
+ if (GET_CODE (op) == CONST_VECTOR
+ && GET_MODE_NUNITS (mode).is_constant (&n_elts))
{
- unsigned int n_elts = GET_MODE_NUNITS (mode);
- unsigned int in_n_elts = CONST_VECTOR_NUNITS (op);
+ /* This must be constant if we're duplicating it to a constant
+ number of elements. */
+ unsigned int in_n_elts = CONST_VECTOR_NUNITS (op).to_constant ();
gcc_assert (in_n_elts < n_elts);
gcc_assert ((n_elts % in_n_elts) == 0);
rtvec v = rtvec_alloc (n_elts);
if (VECTOR_MODE_P (mode) && GET_CODE (op) == CONST_VECTOR)
{
- int elt_size = GET_MODE_UNIT_SIZE (mode);
- unsigned n_elts = (GET_MODE_SIZE (mode) / elt_size);
+ unsigned int n_elts;
+ if (!CONST_VECTOR_NUNITS (op).is_constant (&n_elts))
+ return NULL_RTX;
+
machine_mode opmode = GET_MODE (op);
- int op_elt_size = GET_MODE_UNIT_SIZE (opmode);
- unsigned op_n_elts = (GET_MODE_SIZE (opmode) / op_elt_size);
+ gcc_assert (known_eq (GET_MODE_NUNITS (mode), n_elts));
+ gcc_assert (known_eq (GET_MODE_NUNITS (opmode), n_elts));
+
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
- gcc_assert (op_n_elts == n_elts);
for (i = 0; i < n_elts; i++)
{
rtx x = simplify_unary_operation (code, GET_MODE_INNER (mode),
nested VEC_SELECT expressions. When input operand is a memory
operand, this operation can be simplified to a simple scalar
load from an offseted memory address. */
- if (GET_CODE (trueop0) == VEC_SELECT)
+ int n_elts;
+ if (GET_CODE (trueop0) == VEC_SELECT
+ && (GET_MODE_NUNITS (GET_MODE (XEXP (trueop0, 0)))
+ .is_constant (&n_elts)))
{
rtx op0 = XEXP (trueop0, 0);
rtx op1 = XEXP (trueop0, 1);
- int n_elts = GET_MODE_NUNITS (GET_MODE (op0));
-
int i = INTVAL (XVECEXP (trueop1, 0, 0));
int elem;
mode00 = GET_MODE (op00);
mode01 = GET_MODE (op01);
- /* Find out number of elements of each operand. */
- n_elts00 = GET_MODE_NUNITS (mode00);
- n_elts01 = GET_MODE_NUNITS (mode01);
+ /* Find out the number of elements of each operand.
+ Since the concatenated result has a constant number
+ of elements, the operands must too. */
+ n_elts00 = GET_MODE_NUNITS (mode00).to_constant ();
+ n_elts01 = GET_MODE_NUNITS (mode01).to_constant ();
gcc_assert (n_elts == n_elts00 + n_elts01);
if (GET_CODE (trueop0) == CONST_VECTOR)
{
- int elt_size = GET_MODE_UNIT_SIZE (mode);
- unsigned n_elts = (GET_MODE_SIZE (mode) / elt_size);
+ unsigned n_elts = XVECLEN (trueop1, 0);
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
- gcc_assert (XVECLEN (trueop1, 0) == (int) n_elts);
+ gcc_assert (known_eq (n_elts, GET_MODE_NUNITS (mode)));
for (i = 0; i < n_elts; i++)
{
rtx x = XVECEXP (trueop1, 0, i);
}
/* If we select one half of a vec_concat, return that. */
+ int l0, l1;
if (GET_CODE (trueop0) == VEC_CONCAT
+ && (GET_MODE_NUNITS (GET_MODE (XEXP (trueop0, 0)))
+ .is_constant (&l0))
+ && (GET_MODE_NUNITS (GET_MODE (XEXP (trueop0, 1)))
+ .is_constant (&l1))
&& CONST_INT_P (XVECEXP (trueop1, 0, 0)))
{
rtx subop0 = XEXP (trueop0, 0);
rtx subop1 = XEXP (trueop0, 1);
machine_mode mode0 = GET_MODE (subop0);
machine_mode mode1 = GET_MODE (subop1);
- int l0 = GET_MODE_NUNITS (mode0);
- int l1 = GET_MODE_NUNITS (mode1);
int i0 = INTVAL (XVECEXP (trueop1, 0, 0));
if (i0 == 0 && !side_effects_p (op1) && mode == mode0)
{
{
rtx op0_subop1 = XEXP (trueop0, 1);
gcc_assert (GET_CODE (op0_subop1) == PARALLEL);
- gcc_assert (XVECLEN (trueop1, 0) == GET_MODE_NUNITS (mode));
+ gcc_assert (known_eq (XVECLEN (trueop1, 0), GET_MODE_NUNITS (mode)));
/* Apply the outer ordering vector to the inner one. (The inner
ordering vector is expressly permitted to be of a different
else
gcc_assert (GET_MODE_INNER (mode) == op1_mode);
+ unsigned int n_elts, in_n_elts;
if ((GET_CODE (trueop0) == CONST_VECTOR
|| CONST_SCALAR_INT_P (trueop0)
|| CONST_DOUBLE_AS_FLOAT_P (trueop0))
&& (GET_CODE (trueop1) == CONST_VECTOR
|| CONST_SCALAR_INT_P (trueop1)
- || CONST_DOUBLE_AS_FLOAT_P (trueop1)))
+ || CONST_DOUBLE_AS_FLOAT_P (trueop1))
+ && GET_MODE_NUNITS (mode).is_constant (&n_elts)
+ && GET_MODE_NUNITS (op0_mode).is_constant (&in_n_elts))
{
- unsigned n_elts = GET_MODE_NUNITS (mode);
- unsigned in_n_elts = GET_MODE_NUNITS (op0_mode);
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
for (i = 0; i < n_elts; i++)
&& GET_CODE (op0) == CONST_VECTOR
&& GET_CODE (op1) == CONST_VECTOR)
{
- unsigned int n_elts = CONST_VECTOR_NUNITS (op0);
- gcc_assert (n_elts == (unsigned int) CONST_VECTOR_NUNITS (op1));
- gcc_assert (n_elts == GET_MODE_NUNITS (mode));
+ unsigned int n_elts;
+ if (!CONST_VECTOR_NUNITS (op0).is_constant (&n_elts))
+ return NULL_RTX;
+
+ gcc_assert (known_eq (n_elts, CONST_VECTOR_NUNITS (op1)));
+ gcc_assert (known_eq (n_elts, GET_MODE_NUNITS (mode)));
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
|| CONST_DOUBLE_AS_FLOAT_P (op1)
|| CONST_FIXED_P (op1)))
{
- unsigned n_elts = GET_MODE_NUNITS (mode);
+ /* Both inputs have a constant number of elements, so the result
+ must too. */
+ unsigned n_elts = GET_MODE_NUNITS (mode).to_constant ();
rtvec v = rtvec_alloc (n_elts);
gcc_assert (n_elts >= 2);
}
else
{
- unsigned op0_n_elts = GET_MODE_NUNITS (GET_MODE (op0));
- unsigned op1_n_elts = GET_MODE_NUNITS (GET_MODE (op1));
+ unsigned op0_n_elts = GET_MODE_NUNITS (GET_MODE (op0)).to_constant ();
+ unsigned op1_n_elts = GET_MODE_NUNITS (GET_MODE (op1)).to_constant ();
unsigned i;
gcc_assert (GET_CODE (op0) == CONST_VECTOR);
bool any_change = false;
rtx tem, trueop2;
scalar_int_mode int_mode, int_op0_mode;
+ unsigned int n_elts;
switch (code)
{
&& GET_CODE (XEXP (op0, 1)) == CONST_VECTOR)
{
rtx cv = XEXP (op0, 1);
- int nunits = CONST_VECTOR_NUNITS (cv);
+ int nunits;
bool ok = true;
- for (int i = 0; i < nunits; ++i)
- if (CONST_VECTOR_ELT (cv, i) != const0_rtx)
- {
- ok = false;
- break;
- }
+ if (!CONST_VECTOR_NUNITS (cv).is_constant (&nunits))
+ ok = false;
+ else
+ for (int i = 0; i < nunits; ++i)
+ if (CONST_VECTOR_ELT (cv, i) != const0_rtx)
+ {
+ ok = false;
+ break;
+ }
if (ok)
{
rtx new_op0 = gen_rtx_NE (GET_MODE (op0),
gcc_assert (GET_MODE (op1) == mode);
gcc_assert (VECTOR_MODE_P (mode));
trueop2 = avoid_constant_pool_reference (op2);
- if (CONST_INT_P (trueop2))
+ if (CONST_INT_P (trueop2)
+ && GET_MODE_NUNITS (mode).is_constant (&n_elts))
{
- unsigned n_elts = GET_MODE_NUNITS (mode);
unsigned HOST_WIDE_INT sel = UINTVAL (trueop2);
unsigned HOST_WIDE_INT mask;
if (n_elts == HOST_BITS_PER_WIDE_INT)
if (GET_CODE (op0) == VEC_DUPLICATE
&& GET_CODE (XEXP (op0, 0)) == VEC_SELECT
&& GET_CODE (XEXP (XEXP (op0, 0), 1)) == PARALLEL
- && mode_nunits[GET_MODE (XEXP (op0, 0))] == 1)
+ && known_eq (GET_MODE_NUNITS (GET_MODE (XEXP (op0, 0))), 1))
{
tem = XVECEXP ((XEXP (XEXP (op0, 0), 1)), 0, 0);
if (CONST_INT_P (tem) && CONST_INT_P (op2))
(vec_concat (A) (X)) if N == 2. */
if (GET_CODE (op0) == VEC_DUPLICATE
&& GET_CODE (op1) == CONST_VECTOR
- && CONST_VECTOR_NUNITS (op1) == 2
- && GET_MODE_NUNITS (GET_MODE (op0)) == 2
+ && known_eq (CONST_VECTOR_NUNITS (op1), 2)
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op0)), 2)
&& IN_RANGE (sel, 1, 2))
{
rtx newop0 = XEXP (op0, 0);
Only applies for vectors of two elements. */
if (GET_CODE (op0) == VEC_DUPLICATE
&& GET_CODE (op1) == VEC_CONCAT
- && GET_MODE_NUNITS (GET_MODE (op0)) == 2
- && GET_MODE_NUNITS (GET_MODE (op1)) == 2
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op0)), 2)
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op1)), 2)
&& IN_RANGE (sel, 1, 2))
{
rtx newop0 = XEXP (op0, 0);
if ((GET_CODE (op0) == VEC_DUPLICATE
|| GET_CODE (op1) == VEC_DUPLICATE)
&& GET_MODE (op0) == GET_MODE (op1)
- && GET_MODE_NUNITS (GET_MODE (op0)) == 2
- && GET_MODE_NUNITS (GET_MODE (op1)) == 2
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op0)), 2)
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op1)), 2)
&& IN_RANGE (sel, 1, 2))
{
rtx newop0 = op0, newop1 = op1;
of N. */
if (GET_CODE (op0) == VEC_DUPLICATE
&& GET_CODE (op1) == VEC_DUPLICATE
- && GET_MODE_NUNITS (GET_MODE (op0)) == 2
- && GET_MODE_NUNITS (GET_MODE (op1)) == 2
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op0)), 2)
+ && known_eq (GET_MODE_NUNITS (GET_MODE (op1)), 2)
&& IN_RANGE (sel, 1, 2))
{
rtx newop0 = XEXP (op0, 0);
if (GET_CODE (op) == CONST_VECTOR)
{
- num_elem = CONST_VECTOR_NUNITS (op);
+ num_elem = GET_MODE_NUNITS (innermode);
elem_bitsize = GET_MODE_UNIT_BITSIZE (innermode);
}
else
{
scalar_mode inner_mode = GET_MODE_INNER (mode);
rtx duplicate = gen_rtx_VEC_DUPLICATE (mode, scalar_reg);
- unsigned int nunits = GET_MODE_NUNITS (mode);
+ poly_uint64 nunits = GET_MODE_NUNITS (mode);
if (GET_MODE_CLASS (mode) == MODE_VECTOR_INT)
{
/* Test some simple unary cases with VEC_DUPLICATE arguments. */
duplicate, zero_par));
/* And again with the final element. */
- rtx last_index = gen_int_mode (GET_MODE_NUNITS (mode) - 1, word_mode);
- rtx last_par = gen_rtx_PARALLEL (VOIDmode, gen_rtvec (1, last_index));
- ASSERT_RTX_PTR_EQ (scalar_reg,
- simplify_binary_operation (VEC_SELECT, inner_mode,
- duplicate, last_par));
+ unsigned HOST_WIDE_INT const_nunits;
+ if (nunits.is_constant (&const_nunits))
+ {
+ rtx last_index = gen_int_mode (const_nunits - 1, word_mode);
+ rtx last_par = gen_rtx_PARALLEL (VOIDmode, gen_rtvec (1, last_index));
+ ASSERT_RTX_PTR_EQ (scalar_reg,
+ simplify_binary_operation (VEC_SELECT, inner_mode,
+ duplicate, last_par));
+ }
/* Test a scalar subreg of a VEC_DUPLICATE. */
poly_uint64 offset = subreg_lowpart_offset (inner_mode, mode);
mode, offset));
machine_mode narrower_mode;
- if (nunits > 2
+ if (maybe_ne (nunits, 2U)
+ && multiple_p (nunits, 2)
&& mode_for_vector (inner_mode, 2).exists (&narrower_mode)
&& VECTOR_MODE_P (narrower_mode))
{
rtx scalar_reg = make_test_reg (GET_MODE_INNER (mode));
test_vector_ops_duplicate (mode, scalar_reg);
if (GET_MODE_CLASS (mode) == MODE_VECTOR_INT
- && GET_MODE_NUNITS (mode) > 2)
+ && maybe_gt (GET_MODE_NUNITS (mode), 2))
test_vector_ops_series (mode, scalar_reg);
}
}
/* Check that the permutation is supported. */
if (VECTOR_MODE_P (mode))
{
- unsigned int i, nelt = GET_MODE_NUNITS (mode);
+ unsigned int i;
if (count == 3)
{
unsigned int j0 = 0, j1 = 0, j2 = 0;
unsigned int i, j;
+ unsigned int nelt;
+ if (!GET_MODE_NUNITS (mode).is_constant (&nelt))
+ {
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
+ "cannot handle groups of 3 stores for"
+ " variable-length vectors\n");
+ return false;
+ }
+
vec_perm_builder sel (nelt, nelt, 1);
sel.quick_grow (nelt);
vec_perm_indices indices;
{
/* If length is not equal to 3 then only power of 2 is supported. */
gcc_assert (pow2p_hwi (count));
+ poly_uint64 nelt = GET_MODE_NUNITS (mode);
/* The encoding has 2 interleaved stepped patterns. */
vec_perm_builder sel (nelt, 2, 3);
if (can_vec_perm_const_p (mode, indices))
{
for (i = 0; i < 6; i++)
- sel[i] += nelt / 2;
+ sel[i] += exact_div (nelt, 2);
indices.new_vector (sel, 2, nelt);
if (can_vec_perm_const_p (mode, indices))
return true;
/* Check that the permutation is supported. */
if (VECTOR_MODE_P (mode))
{
- unsigned int i, j, nelt = GET_MODE_NUNITS (mode);
-
+ unsigned int i, j;
if (count == 3)
{
+ unsigned int nelt;
+ if (!GET_MODE_NUNITS (mode).is_constant (&nelt))
+ {
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
+ "cannot handle groups of 3 loads for"
+ " variable-length vectors\n");
+ return false;
+ }
+
vec_perm_builder sel (nelt, nelt, 1);
sel.quick_grow (nelt);
vec_perm_indices indices;
{
/* If length is not equal to 3 then only power of 2 is supported. */
gcc_assert (pow2p_hwi (count));
+ poly_uint64 nelt = GET_MODE_NUNITS (mode);
/* The encoding has a single stepped pattern. */
vec_perm_builder sel (nelt, 1, 3);
{
machine_mode inner_mode = TYPE_MODE (type);
machine_mode best_mode = VOIDmode, mode;
- int best_nunits = 0;
+ poly_int64 best_nunits = 0;
if (SCALAR_FLOAT_MODE_P (inner_mode))
mode = MIN_MODE_VECTOR_FLOAT;
FOR_EACH_MODE_FROM (mode, mode)
if (GET_MODE_INNER (mode) == inner_mode
- && GET_MODE_NUNITS (mode) > best_nunits
+ && maybe_gt (GET_MODE_NUNITS (mode), best_nunits)
&& optab_handler (op, mode) != CODE_FOR_nothing)
best_mode = mode, best_nunits = GET_MODE_NUNITS (mode);
if (optab_handler (vec_shr_optab, mode) != CODE_FOR_nothing)
return true;
- unsigned int i, nelt = GET_MODE_NUNITS (mode);
+ /* Variable-length vectors should be handled via the optab. */
+ unsigned int nelt;
+ if (!GET_MODE_NUNITS (mode).is_constant (&nelt))
+ return false;
+
vec_perm_builder sel;
vec_perm_indices indices;
- for (i = nelt/2; i >= 1; i/=2)
+ for (unsigned int i = nelt / 2; i >= 1; i /= 2)
{
calc_vec_perm_mask_for_shift (i, nelt, &sel);
indices.new_vector (sel, 2, nelt);
}
#endif /* ENABLE_TREE_CHECKING */
\f
-/* Create a new vector type node holding SUBPARTS units of type INNERTYPE,
+/* Create a new vector type node holding NUNITS units of type INNERTYPE,
and mapped to the machine mode MODE. Initialize its fields and build
the information necessary for debugging output. */
static tree
-make_vector_type (tree innertype, int nunits, machine_mode mode)
+make_vector_type (tree innertype, poly_int64 nunits, machine_mode mode)
{
tree t;
tree mv_innertype = TYPE_MAIN_VARIANT (innertype);
t = make_node (VECTOR_TYPE);
TREE_TYPE (t) = mv_innertype;
- SET_TYPE_VECTOR_SUBPARTS (t, nunits);
+ SET_TYPE_VECTOR_SUBPARTS (t, nunits.to_constant ()); /* Temporary */
SET_TYPE_MODE (t, mode);
if (TYPE_STRUCTURAL_EQUALITY_P (mv_innertype) || in_lto_p)
return t;
}
-/* Temporary. */
-static tree
-make_vector_type (tree innertype, poly_uint64 nunits, machine_mode mode)
-{
- return make_vector_type (innertype, (int) nunits.to_constant (), mode);
-}
-
static tree
make_or_reuse_type (unsigned size, int unsignedp)
{
tree
build_vector_type_for_mode (tree innertype, machine_mode mode)
{
- int nunits;
+ poly_int64 nunits;
unsigned int bitsize;
switch (GET_MODE_CLASS (mode))
unsigned int subalign = MIN (align, GET_MODE_BITSIZE (submode));
gcc_assert (GET_CODE (x) == CONST_VECTOR);
- units = CONST_VECTOR_NUNITS (x);
+ units = GET_MODE_NUNITS (mode);
for (i = 0; i < units; i++)
{
projects / platform / upstream / gcc.git / commitdiff