🔬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§
- 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 asa < b ? b : a
- f32x4_
pmin simd128
Lane-wise minimum value, defined asb < a ? b : a
- f32x4_
relaxed_ madd relaxed-simd
Computesa * b + c
with either one rounding or two roundings. - f32x4_
relaxed_ max relaxed-simd
A relaxed version off32x4_max
which is eitherf32x4_max
orf32x4_pmax
. - f32x4_
relaxed_ min relaxed-simd
A relaxed version off32x4_min
which is eitherf32x4_min
orf32x4_pmin
. - f32x4_
relaxed_ nmadd relaxed-simd
Computes-a * b + c
with either one rounding or two roundings. - 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. - 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 asa < b ? b : a
- f64x2_
pmin simd128
Lane-wise minimum value, defined asb < 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_
relaxed_ madd relaxed-simd
Computesa * b + c
with either one rounding or two roundings. - f64x2_
relaxed_ max relaxed-simd
A relaxed version off64x2_max
which is eitherf64x2_max
orf64x2_pmax
. - f64x2_
relaxed_ min relaxed-simd
A relaxed version off64x2_min
which is eitherf64x2_min
orf64x2_pmin
. - f64x2_
relaxed_ nmadd relaxed-simd
Computes-a * b + c
with either one rounding or two roundings. - 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. - 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 toi8::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 ina
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_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - i8x16_
relaxed_ swizzle relaxed-simd
A relaxed version ofi8x16_swizzle(a, s)
which selects lanes froma
using indices ins
. - 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 toi8::MIN
. - i8x16_
swizzle simd128
Returns a new vector with lanes selected from the lanes of the first input vectora
specified in the second input vectors
. - 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 toi16::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 ina
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_
relaxed_ dot_ i8x16_ i7x16 relaxed-simd
A relaxed dot-product instruction. - i16x8_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - i16x8_
relaxed_ q15mulr relaxed-simd
A relaxed version ofi16x8_relaxed_q15mulr
where if both lanes arei16::MIN
then the result is eitheri16::MIN
ori16::MAX
. - 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 asi8x16_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 toi16::MIN
. - 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 ina
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_
relaxed_ dot_ i8x16_ i7x16_ add relaxed-simd
Similar toi16x8_relaxed_dot_i8x16_i7x16
except that the intermediatei16x8
result is fed intoi32x4_extadd_pairwise_i16x8
followed byi32x4_add
to add the valuec
to the result. - i32x4_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - i32x4_
relaxed_ trunc_ f32x4 relaxed-simd
A relaxed version ofi32x4_trunc_sat_f32x4(a)
converts thef32
lanes ofa
to signed 32-bit integers. - i32x4_
relaxed_ trunc_ f64x2_ zero relaxed-simd
A relaxed version ofi32x4_trunc_sat_f64x2_zero(a)
converts thef64
lanes ofa
to signed 32-bit integers and the upper two lanes are zero. - 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 asi8x16_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 IEEEconvertToIntegerTowardZero
function. - 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 ina
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_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - 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 asi8x16_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
instruction - Corresponding intrinsic to wasm’s
memory.size
instruction - 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 tou8::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 ina
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_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - u8x16_
relaxed_ swizzle relaxed-simd
A relaxed version ofi8x16_swizzle(a, s)
which selects lanes froma
using indices ins
. - 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 vectora
specified in the second input vectors
. - 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 tou16::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 ina
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_
relaxed_ dot_ i8x16_ i7x16 relaxed-simd
A relaxed dot-product instruction. - u16x8_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - u16x8_
relaxed_ q15mulr relaxed-simd
A relaxed version ofi16x8_relaxed_q15mulr
where if both lanes arei16::MIN
then the result is eitheri16::MIN
ori16::MAX
. - 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 asi8x16_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. - 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 ina
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_
relaxed_ dot_ i8x16_ i7x16_ add relaxed-simd
Similar toi16x8_relaxed_dot_i8x16_i7x16
except that the intermediatei16x8
result is fed intoi32x4_extadd_pairwise_i16x8
followed byi32x4_add
to add the valuec
to the result. - u32x4_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - u32x4_
relaxed_ trunc_ f32x4 relaxed-simd
A relaxed version ofu32x4_trunc_sat_f32x4(a)
converts thef32
lanes ofa
to unsigned 32-bit integers. - u32x4_
relaxed_ trunc_ f64x2_ zero relaxed-simd
A relaxed version ofu32x4_trunc_sat_f64x2_zero(a)
converts thef64
lanes ofa
to unsigned 32-bit integers and the upper two lanes are zero. - 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 asi8x16_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 IEEEconvertToIntegerTowardZero
function. - 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 ina
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_
relaxed_ laneselect relaxed-simd
A relaxed version ofv128_bitselect
where this either behaves the same asv128_bitselect
or the high bit of each lanem
is inspected and the corresponding lane ofa
is chosen if the bit is 1 or the lane ofb
is chosen if it’s zero. - 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 asi8x16_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 ofa
and the logical inverse of bits ofb
. - v128_
any_ true simd128
Returnstrue
if any bit ina
is set, orfalse
otherwise. - v128_
bitselect simd128
Use the bitmask inc
to select bits fromv1
when 1 andv2
when 0. - v128_
load ⚠simd128
Loads av128
vector from the given heap address. - v128_
load8_ ⚠lane simd128
Loads an 8-bit value fromm
and sets laneL
ofv
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 fromm
and sets laneL
ofv
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 fromm
and sets laneL
ofv
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 fromm
and sets laneL
ofv
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 av128
vector to the given heap address. - v128_
store8_ ⚠lane simd128
Stores the 8-bit value from laneL
ofv
intom
- v128_
store16_ ⚠lane simd128
Stores the 16-bit value from laneL
ofv
intom
- v128_
store32_ ⚠lane simd128
Stores the 32-bit value from laneL
ofv
intom
- v128_
store64_ ⚠lane simd128
Stores the 64-bit value from laneL
ofv
intom
- v128_
xor simd128
Performs a bitwise xor of the two input 128-bit vectors, returning the resulting vector. - memory_
atomic_ ⚠notify Experimental atomics
Corresponding intrinsic to wasm’smemory.atomic.notify
instruction - memory_
atomic_ ⚠wait32 Experimental atomics
Corresponding intrinsic to wasm’smemory.atomic.wait32
instruction - memory_
atomic_ ⚠wait64 Experimental atomics
Corresponding intrinsic to wasm’smemory.atomic.wait64
instruction - throw⚠
Experimental Generates thethrow
instruction from the exception-handling proposal for WASM.