🔬This is a nightly-only experimental API. (
simd_wasm64
#90599)Available on
target_family="wasm"
only.Expand description
Platform-specific intrinsics for the wasm
target family.
See the module documentation for more details.
Structs
WASM-specific 128-bit wide SIMD vector type.
Functions
Corresponding intrinsic to wasm’s
memory.atomic.notify
instructionCorresponding intrinsic to wasm’s
memory.atomic.wait32
instructionCorresponding intrinsic to wasm’s
memory.atomic.wait64
instructionf32x4
simd128
Materializes a SIMD value from the provided operands.
f32x4_abs
simd128
Calculates the absolute value of each lane of a 128-bit vector interpreted
as four 32-bit floating point numbers.
f32x4_add
simd128
Lane-wise addition of two 128-bit vectors interpreted as four 32-bit
floating point numbers.
f32x4_ceil
simd128
Lane-wise rounding to the nearest integral value not smaller than the input.
f32x4_convert_i32x4
simd128
Converts a 128-bit vector interpreted as four 32-bit signed integers into a
128-bit vector of four 32-bit floating point numbers.
f32x4_convert_u32x4
simd128
Converts a 128-bit vector interpreted as four 32-bit unsigned integers into a
128-bit vector of four 32-bit floating point numbers.
f32x4_demote_f64x2_zero
simd128
Conversion of the two double-precision floating point lanes to two lower
single-precision lanes of the result. The two higher lanes of the result are
initialized to zero. If the conversion result is not representable as a
single-precision floating point number, it is rounded to the nearest-even
representable number.
f32x4_div
simd128
Lane-wise division of two 128-bit vectors interpreted as four 32-bit
floating point numbers.
f32x4_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
f32x4_floor
simd128
Lane-wise rounding to the nearest integral value not greater than the input.
f32x4_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_le
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_max
simd128
Calculates the lane-wise minimum of two 128-bit vectors interpreted
as four 32-bit floating point numbers.
f32x4_min
simd128
Calculates the lane-wise minimum of two 128-bit vectors interpreted
as four 32-bit floating point numbers.
f32x4_mul
simd128
Lane-wise multiplication of two 128-bit vectors interpreted as four 32-bit
floating point numbers.
f32x4_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
floating point numbers.
f32x4_nearest
simd128
Lane-wise rounding to the nearest integral value; if two values are equally
near, rounds to the even one.
f32x4_neg
simd128
Negates each lane of a 128-bit vector interpreted as four 32-bit floating
point numbers.
f32x4_pmax
simd128
Lane-wise maximum value, defined as
a < b ? b : a
f32x4_pmin
simd128
Lane-wise minimum value, defined as
b < a ? b : a
f32x4_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
f32x4_splat
simd128
Creates a vector with identical lanes.
f32x4_sqrt
simd128
Calculates the square root of each lane of a 128-bit vector interpreted as
four 32-bit floating point numbers.
f32x4_sub
simd128
Lane-wise subtraction of two 128-bit vectors interpreted as four 32-bit
floating point numbers.
f32x4_trunc
simd128
Lane-wise rounding to the nearest integral value with the magnitude not
larger than the input.
f64x2
simd128
Materializes a SIMD value from the provided operands.
f64x2_abs
simd128
Calculates the absolute value of each lane of a 128-bit vector interpreted
as two 64-bit floating point numbers.
f64x2_add
simd128
Lane-wise add of two 128-bit vectors interpreted as two 64-bit
floating point numbers.
f64x2_ceil
simd128
Lane-wise rounding to the nearest integral value not smaller than the input.
f64x2_convert_low_i32x4
simd128
Lane-wise conversion from integer to floating point.
f64x2_convert_low_u32x4
simd128
Lane-wise conversion from integer to floating point.
f64x2_div
simd128
Lane-wise divide of two 128-bit vectors interpreted as two 64-bit
floating point numbers.
f64x2_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 2 packed f64 numbers.
f64x2_floor
simd128
Lane-wise rounding to the nearest integral value not greater than the input.
f64x2_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_le
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_max
simd128
Calculates the lane-wise maximum of two 128-bit vectors interpreted
as two 64-bit floating point numbers.
f64x2_min
simd128
Calculates the lane-wise minimum of two 128-bit vectors interpreted
as two 64-bit floating point numbers.
f64x2_mul
simd128
Lane-wise multiply of two 128-bit vectors interpreted as two 64-bit
floating point numbers.
f64x2_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
floating point numbers.
f64x2_nearest
simd128
Lane-wise rounding to the nearest integral value; if two values are equally
near, rounds to the even one.
f64x2_neg
simd128
Negates each lane of a 128-bit vector interpreted as two 64-bit floating
point numbers.
f64x2_pmax
simd128
Lane-wise maximum value, defined as
a < b ? b : a
f64x2_pmin
simd128
Lane-wise minimum value, defined as
b < a ? b : a
f64x2_promote_low_f32x4
simd128
Conversion of the two lower single-precision floating point lanes to the two
double-precision lanes of the result.
f64x2_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 2 packed f64 numbers.
f64x2_splat
simd128
Creates a vector with identical lanes.
f64x2_sqrt
simd128
Calculates the square root of each lane of a 128-bit vector interpreted as
two 64-bit floating point numbers.
f64x2_sub
simd128
Lane-wise subtract of two 128-bit vectors interpreted as two 64-bit
floating point numbers.
f64x2_trunc
simd128
Lane-wise rounding to the nearest integral value with the magnitude not
larger than the input.
i8x16
simd128
Materializes a SIMD value from the provided operands.
i8x16_abs
simd128
Lane-wise wrapping absolute value.
i8x16_add
simd128
Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.
i8x16_add_sat
simd128
Adds two 128-bit vectors as if they were two packed sixteen 8-bit signed
integers, saturating on overflow to
i8::MAX
.i8x16_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
i8x16_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.i8x16_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
integers.
i8x16_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
i8x16_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
signed integers.
i8x16_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
signed integers.
i8x16_le
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
signed integers.
i8x16_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
signed integers.
i8x16_max
simd128
Compares lane-wise signed integers, and returns the maximum of
each pair.
i8x16_min
simd128
Compares lane-wise signed integers, and returns the minimum of
each pair.
i8x16_narrow_i16x8
simd128
Converts two input vectors into a smaller lane vector by narrowing each
lane.
i8x16_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
integers.
i8x16_neg
simd128
Negates a 128-bit vectors interpreted as sixteen 8-bit signed integers
i8x16_popcnt
simd128
Count the number of bits set to one within each lane.
i8x16_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
i8x16_shl
simd128
Shifts each lane to the left by the specified number of bits.
i8x16_shr
simd128
Shifts each lane to the right by the specified number of bits, sign
extending.
i8x16_shuffle
simd128
Returns a new vector with lanes selected from the lanes of the two input
vectors
$a
and $b
specified in the 16 immediate operands.i8x16_splat
simd128
Creates a vector with identical lanes.
i8x16_sub
simd128
Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.
i8x16_sub_sat
simd128
Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit
signed integers, saturating on overflow to
i8::MIN
.i8x16_swizzle
simd128
Returns a new vector with lanes selected from the lanes of the first input
vector
a
specified in the second input vector s
.i16x8
simd128
Materializes a SIMD value from the provided operands.
i16x8_abs
simd128
Lane-wise wrapping absolute value.
i16x8_add
simd128
Adds two 128-bit vectors as if they were two packed eight 16-bit integers.
i16x8_add_sat
simd128
Adds two 128-bit vectors as if they were two packed eight 16-bit signed
integers, saturating on overflow to
i16::MAX
.i16x8_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
i16x8_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.i16x8_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
integers.
i16x8_extadd_pairwise_i8x16
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
i16x8_extadd_pairwise_u8x16
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
i16x8_extend_high_i8x16
simd128
Converts high half of the smaller lane vector to a larger lane
vector, sign extended.
i16x8_extend_high_u8x16
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
i16x8_extend_low_i8x16
simd128
Converts low half of the smaller lane vector to a larger lane
vector, sign extended.
i16x8_extend_low_u8x16
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
i16x8_extmul_high_i8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i16x8_extmul_high_u8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i16x8_extmul_low_i8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i16x8_extmul_low_u8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i16x8_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
i16x8_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
signed integers.
i16x8_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
signed integers.
i16x8_le
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
signed integers.
i16x8_load_extend_i8x8⚠
simd128
Load eight 8-bit integers and sign extend each one to a 16-bit lane
i16x8_load_extend_u8x8⚠
simd128
Load eight 8-bit integers and zero extend each one to a 16-bit lane
i16x8_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
signed integers.
i16x8_max
simd128
Compares lane-wise signed integers, and returns the maximum of
each pair.
i16x8_min
simd128
Compares lane-wise signed integers, and returns the minimum of
each pair.
i16x8_mul
simd128
Multiplies two 128-bit vectors as if they were two packed eight 16-bit
signed integers.
i16x8_narrow_i32x4
simd128
Converts two input vectors into a smaller lane vector by narrowing each
lane.
i16x8_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
integers.
i16x8_neg
simd128
Negates a 128-bit vectors interpreted as eight 16-bit signed integers
i16x8_q15mulr_sat
simd128
Lane-wise saturating rounding multiplication in Q15 format.
i16x8_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
i16x8_shl
simd128
Shifts each lane to the left by the specified number of bits.
i16x8_shr
simd128
Shifts each lane to the right by the specified number of bits, sign
extending.
i16x8_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were eight
16-bit integers, only taking 8 indices to shuffle.i16x8_splat
simd128
Creates a vector with identical lanes.
i16x8_sub
simd128
Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.
i16x8_sub_sat
simd128
Subtracts two 128-bit vectors as if they were two packed eight 16-bit
signed integers, saturating on overflow to
i16::MIN
.i32x4
simd128
Materializes a SIMD value from the provided operands.
i32x4_abs
simd128
Lane-wise wrapping absolute value.
i32x4_add
simd128
Adds two 128-bit vectors as if they were two packed four 32-bit integers.
i32x4_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
i32x4_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.i32x4_dot_i16x8
simd128
Lane-wise multiply signed 16-bit integers in the two input vectors and add
adjacent pairs of the full 32-bit results.
i32x4_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
integers.
i32x4_extadd_pairwise_i16x8
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
i32x4_extadd_pairwise_u16x8
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
i32x4_extend_high_i16x8
simd128
Converts high half of the smaller lane vector to a larger lane
vector, sign extended.
i32x4_extend_high_u16x8
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
i32x4_extend_low_i16x8
simd128
Converts low half of the smaller lane vector to a larger lane
vector, sign extended.
i32x4_extend_low_u16x8
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
i32x4_extmul_high_i16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i32x4_extmul_high_u16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i32x4_extmul_low_i16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i32x4_extmul_low_u16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i32x4_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
i32x4_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
signed integers.
i32x4_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
signed integers.
i32x4_le
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
signed integers.
i32x4_load_extend_i16x4⚠
simd128
Load four 16-bit integers and sign extend each one to a 32-bit lane
i32x4_load_extend_u16x4⚠
simd128
Load four 16-bit integers and zero extend each one to a 32-bit lane
i32x4_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
signed integers.
i32x4_max
simd128
Compares lane-wise signed integers, and returns the maximum of
each pair.
i32x4_min
simd128
Compares lane-wise signed integers, and returns the minimum of
each pair.
i32x4_mul
simd128
Multiplies two 128-bit vectors as if they were two packed four 32-bit
signed integers.
i32x4_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
integers.
i32x4_neg
simd128
Negates a 128-bit vectors interpreted as four 32-bit signed integers
i32x4_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
i32x4_shl
simd128
Shifts each lane to the left by the specified number of bits.
i32x4_shr
simd128
Shifts each lane to the right by the specified number of bits, sign
extending.
i32x4_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were four
32-bit integers, only taking 4 indices to shuffle.i32x4_splat
simd128
Creates a vector with identical lanes.
i32x4_sub
simd128
Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.
i32x4_trunc_sat_f32x4
simd128
Converts a 128-bit vector interpreted as four 32-bit floating point numbers
into a 128-bit vector of four 32-bit signed integers.
i32x4_trunc_sat_f64x2_zero
simd128
Saturating conversion of the two double-precision floating point lanes to
two lower integer lanes using the IEEE
convertToIntegerTowardZero
function.i64x2
simd128
Materializes a SIMD value from the provided operands.
i64x2_abs
simd128
Lane-wise wrapping absolute value.
i64x2_add
simd128
Adds two 128-bit vectors as if they were two packed two 64-bit integers.
i64x2_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
i64x2_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.i64x2_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
integers.
i64x2_extend_high_i32x4
simd128
Converts high half of the smaller lane vector to a larger lane
vector, sign extended.
i64x2_extend_high_u32x4
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
i64x2_extend_low_i32x4
simd128
Converts low half of the smaller lane vector to a larger lane
vector, sign extended.
i64x2_extend_low_u32x4
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
i64x2_extmul_high_i32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i64x2_extmul_high_u32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i64x2_extmul_low_i32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i64x2_extmul_low_u32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
i64x2_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
i64x2_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
signed integers.
i64x2_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
signed integers.
i64x2_le
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
signed integers.
i64x2_load_extend_i32x2⚠
simd128
Load two 32-bit integers and sign extend each one to a 64-bit lane
i64x2_load_extend_u32x2⚠
simd128
Load two 32-bit integers and zero extend each one to a 64-bit lane
i64x2_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
signed integers.
i64x2_mul
simd128
Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.
i64x2_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
integers.
i64x2_neg
simd128
Negates a 128-bit vectors interpreted as two 64-bit signed integers
i64x2_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
i64x2_shl
simd128
Shifts each lane to the left by the specified number of bits.
i64x2_shr
simd128
Shifts each lane to the right by the specified number of bits, sign
extending.
i64x2_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were two
64-bit integers, only taking 2 indices to shuffle.i64x2_splat
simd128
Creates a vector with identical lanes.
i64x2_sub
simd128
Subtracts two 128-bit vectors as if they were two packed two 64-bit integers.
Corresponding intrinsic to wasm’s
memory.grow
instructionCorresponding intrinsic to wasm’s
memory.size
instructionu8x16
simd128
Materializes a SIMD value from the provided operands.
u8x16_add
simd128
Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.
u8x16_add_sat
simd128
Adds two 128-bit vectors as if they were two packed sixteen 8-bit unsigned
integers, saturating on overflow to
u8::MAX
.u8x16_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
u8x16_avgr
simd128
Lane-wise rounding average.
u8x16_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.u8x16_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
integers.
u8x16_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 16 packed u8 numbers.
u8x16_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
unsigned integers.
u8x16_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
unsigned integers.
u8x16_le
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
unsigned integers.
u8x16_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
unsigned integers.
u8x16_max
simd128
Compares lane-wise unsigned integers, and returns the maximum of
each pair.
u8x16_min
simd128
Compares lane-wise unsigned integers, and returns the minimum of
each pair.
u8x16_narrow_i16x8
simd128
Converts two input vectors into a smaller lane vector by narrowing each
lane.
u8x16_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 16 eight-bit
integers.
u8x16_popcnt
simd128
Count the number of bits set to one within each lane.
u8x16_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 16 packed u8 numbers.
u8x16_shl
simd128
Shifts each lane to the left by the specified number of bits.
u8x16_shr
simd128
Shifts each lane to the right by the specified number of bits, shifting in
zeros.
u8x16_shuffle
simd128
Returns a new vector with lanes selected from the lanes of the two input
vectors
$a
and $b
specified in the 16 immediate operands.u8x16_splat
simd128
Creates a vector with identical lanes.
u8x16_sub
simd128
Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.
u8x16_sub_sat
simd128
Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit
unsigned integers, saturating on overflow to 0.
u8x16_swizzle
simd128
Returns a new vector with lanes selected from the lanes of the first input
vector
a
specified in the second input vector s
.u16x8
simd128
Materializes a SIMD value from the provided operands.
u16x8_add
simd128
Adds two 128-bit vectors as if they were two packed eight 16-bit integers.
u16x8_add_sat
simd128
Adds two 128-bit vectors as if they were two packed eight 16-bit unsigned
integers, saturating on overflow to
u16::MAX
.u16x8_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
u16x8_avgr
simd128
Lane-wise rounding average.
u16x8_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.u16x8_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
integers.
u16x8_extadd_pairwise_u8x16
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
u16x8_extend_high_u8x16
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
u16x8_extend_low_u8x16
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
u16x8_extmul_high_u8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u16x8_extmul_low_u8x16
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u16x8_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 8 packed u16 numbers.
u16x8_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
unsigned integers.
u16x8_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
unsigned integers.
u16x8_le
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
unsigned integers.
u16x8_load_extend_u8x8⚠
simd128
Load eight 8-bit integers and zero extend each one to a 16-bit lane
u16x8_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
unsigned integers.
u16x8_max
simd128
Compares lane-wise unsigned integers, and returns the maximum of
each pair.
u16x8_min
simd128
Compares lane-wise unsigned integers, and returns the minimum of
each pair.
u16x8_mul
simd128
Multiplies two 128-bit vectors as if they were two packed eight 16-bit
signed integers.
u16x8_narrow_i32x4
simd128
Converts two input vectors into a smaller lane vector by narrowing each
lane.
u16x8_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit
integers.
u16x8_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 8 packed u16 numbers.
u16x8_shl
simd128
Shifts each lane to the left by the specified number of bits.
u16x8_shr
simd128
Shifts each lane to the right by the specified number of bits, shifting in
zeros.
u16x8_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were eight
16-bit integers, only taking 8 indices to shuffle.u16x8_splat
simd128
Creates a vector with identical lanes.
u16x8_sub
simd128
Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.
u16x8_sub_sat
simd128
Subtracts two 128-bit vectors as if they were two packed eight 16-bit
unsigned integers, saturating on overflow to 0.
u32x4
simd128
Materializes a SIMD value from the provided operands.
u32x4_add
simd128
Adds two 128-bit vectors as if they were two packed four 32-bit integers.
u32x4_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
u32x4_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.u32x4_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
integers.
u32x4_extadd_pairwise_u16x8
simd128
Integer extended pairwise addition producing extended results
(twice wider results than the inputs).
u32x4_extend_high_u16x8
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
u32x4_extend_low_u16x8
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
u32x4_extmul_high_u16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u32x4_extmul_low_u16x8
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u32x4_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 4 packed u32 numbers.
u32x4_ge
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
unsigned integers.
u32x4_gt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
unsigned integers.
u32x4_le
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
unsigned integers.
u32x4_load_extend_u16x4⚠
simd128
Load four 16-bit integers and zero extend each one to a 32-bit lane
u32x4_lt
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
unsigned integers.
u32x4_max
simd128
Compares lane-wise unsigned integers, and returns the maximum of
each pair.
u32x4_min
simd128
Compares lane-wise unsigned integers, and returns the minimum of
each pair.
u32x4_mul
simd128
Multiplies two 128-bit vectors as if they were two packed four 32-bit
signed integers.
u32x4_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit
integers.
u32x4_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 4 packed u32 numbers.
u32x4_shl
simd128
Shifts each lane to the left by the specified number of bits.
u32x4_shr
simd128
Shifts each lane to the right by the specified number of bits, shifting in
zeros.
u32x4_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were four
32-bit integers, only taking 4 indices to shuffle.u32x4_splat
simd128
Creates a vector with identical lanes.
u32x4_sub
simd128
Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.
u32x4_trunc_sat_f32x4
simd128
Converts a 128-bit vector interpreted as four 32-bit floating point numbers
into a 128-bit vector of four 32-bit unsigned integers.
u32x4_trunc_sat_f64x2_zero
simd128
Saturating conversion of the two double-precision floating point lanes to
two lower integer lanes using the IEEE
convertToIntegerTowardZero
function.u64x2
simd128
Materializes a SIMD value from the provided operands.
u64x2_add
simd128
Adds two 128-bit vectors as if they were two packed two 64-bit integers.
u64x2_all_true
simd128
Returns true if all lanes are non-zero, false otherwise.
u64x2_bitmask
simd128
Extracts the high bit for each lane in
a
and produce a scalar mask with
all bits concatenated.u64x2_eq
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
integers.
u64x2_extend_high_u32x4
simd128
Converts high half of the smaller lane vector to a larger lane
vector, zero extended.
u64x2_extend_low_u32x4
simd128
Converts low half of the smaller lane vector to a larger lane
vector, zero extended.
u64x2_extmul_high_u32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u64x2_extmul_low_u32x4
simd128
Lane-wise integer extended multiplication producing twice wider result than
the inputs.
u64x2_extract_lane
simd128
Extracts a lane from a 128-bit vector interpreted as 2 packed u64 numbers.
u64x2_load_extend_u32x2⚠
simd128
Load two 32-bit integers and zero extend each one to a 64-bit lane
u64x2_mul
simd128
Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.
u64x2_ne
simd128
Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit
integers.
u64x2_replace_lane
simd128
Replaces a lane from a 128-bit vector interpreted as 2 packed u64 numbers.
u64x2_shl
simd128
Shifts each lane to the left by the specified number of bits.
u64x2_shr
simd128
Shifts each lane to the right by the specified number of bits, shifting in
zeros.
u64x2_shuffle
simd128
Same as
i8x16_shuffle
, except operates as if the inputs were two
64-bit integers, only taking 2 indices to shuffle.u64x2_splat
simd128
Creates a vector with identical lanes.
u64x2_sub
simd128
Subtracts two 128-bit vectors as if they were two packed two 64-bit integers.
Generates the
unreachable
instruction, which causes an unconditional trap.v128_and
simd128
Performs a bitwise and of the two input 128-bit vectors, returning the
resulting vector.
v128_andnot
simd128
Bitwise AND of bits of
a
and the logical inverse of bits of b
.v128_any_true
simd128
Returns
true
if any bit in a
is set, or false
otherwise.v128_bitselect
simd128
Use the bitmask in
c
to select bits from v1
when 1 and v2
when 0.v128_load⚠
simd128
Loads a
v128
vector from the given heap address.v128_load8_lane⚠
simd128
Loads an 8-bit value from
m
and sets lane L
of v
to that value.v128_load8_splat⚠
simd128
Load a single element and splat to all lanes of a v128 vector.
v128_load16_lane⚠
simd128
Loads a 16-bit value from
m
and sets lane L
of v
to that value.v128_load16_splat⚠
simd128
Load a single element and splat to all lanes of a v128 vector.
v128_load32_lane⚠
simd128
Loads a 32-bit value from
m
and sets lane L
of v
to that value.v128_load32_splat⚠
simd128
Load a single element and splat to all lanes of a v128 vector.
v128_load32_zero⚠
simd128
Load a 32-bit element into the low bits of the vector and sets all other
bits to zero.
v128_load64_lane⚠
simd128
Loads a 64-bit value from
m
and sets lane L
of v
to that value.v128_load64_splat⚠
simd128
Load a single element and splat to all lanes of a v128 vector.
v128_load64_zero⚠
simd128
Load a 64-bit element into the low bits of the vector and sets all other
bits to zero.
v128_not
simd128
Flips each bit of the 128-bit input vector.
v128_or
simd128
Performs a bitwise or of the two input 128-bit vectors, returning the
resulting vector.
v128_store⚠
simd128
Stores a
v128
vector to the given heap address.v128_store8_lane⚠
simd128
Stores the 8-bit value from lane
L
of v
into m
v128_store16_lane⚠
simd128
Stores the 16-bit value from lane
L
of v
into m
v128_store32_lane⚠
simd128
Stores the 32-bit value from lane
L
of v
into m
v128_store64_lane⚠
simd128
Stores the 64-bit value from lane
L
of v
into m
v128_xor
simd128
Performs a bitwise xor of the two input 128-bit vectors, returning the
resulting vector.