🔬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§
- v128
Experimental - WASM-specific 128-bit wide SIMD vector type.
Functions§
- f32_
ceil Experimental - Generates the
f32.ceil
instruction, returning the smallest integer greater than or equal toa
. - f32_
floor Experimental - Generates the
f32.floor
instruction, returning the largest integer less than or equal toa
. - f32_
nearest Experimental - Generates the
f32.nearest
instruction, roundinging to the nearest integer. Rounds half-way cases to the number with an even least significant digit. - f32_
sqrt Experimental - Generates the
f32.sqrt
instruction, returning the square root of the numbera
. - f32_
trunc Experimental - Generates the
f32.trunc
instruction, roundinging to the nearest integer towards zero. - f32x4âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- f32x4_
abs âšExperimental simd128
- Calculates the absolute value of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
- f32x4_
add âšExperimental simd128
- Lane-wise addition of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
ceil âšExperimental simd128
- Lane-wise rounding to the nearest integral value not smaller than the input.
- f32x4_
convert_ âši32x4 Experimental 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_ âšu32x4 Experimental 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_ âšf64x2_ zero Experimental 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 âšExperimental simd128
- Lane-wise division of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
- f32x4_
floor âšExperimental simd128
- Lane-wise rounding to the nearest integral value not greater than the input.
- f32x4_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
max âšExperimental simd128
- Calculates the lane-wise minimum of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
min âšExperimental simd128
- Calculates the lane-wise minimum of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
mul âšExperimental simd128
- Lane-wise multiplication of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
- f32x4_
nearest âšExperimental simd128
- Lane-wise rounding to the nearest integral value; if two values are equally near, rounds to the even one.
- f32x4_
neg âšExperimental simd128
- Negates each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
- f32x4_
pmax âšExperimental simd128
- Lane-wise maximum value, defined as
a < b ? b : a
- f32x4_
pmin âšExperimental simd128
- Lane-wise minimum value, defined as
b < a ? b : a
- f32x4_
relaxed_ âšmadd Experimental relaxed-simd
- Computes
a * b + c
with either one rounding or two roundings. - f32x4_
relaxed_ âšmax Experimental relaxed-simd
- A relaxed version of
f32x4_max
which is eitherf32x4_max
orf32x4_pmax
. - f32x4_
relaxed_ âšmin Experimental relaxed-simd
- A relaxed version of
f32x4_min
which is eitherf32x4_min
orf32x4_pmin
. - f32x4_
relaxed_ âšnmadd Experimental relaxed-simd
- Computes
-a * b + c
with either one rounding or two roundings. - f32x4_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
- f32x4_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- f32x4_
sqrt âšExperimental simd128
- Calculates the square root of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
- f32x4_
sub âšExperimental simd128
- Lane-wise subtraction of two 128-bit vectors interpreted as four 32-bit floating point numbers.
- f32x4_
trunc âšExperimental simd128
- Lane-wise rounding to the nearest integral value with the magnitude not larger than the input.
- f64_
ceil Experimental - Generates the
f64.ceil
instruction, returning the smallest integer greater than or equal toa
. - f64_
floor Experimental - Generates the
f64.floor
instruction, returning the largest integer less than or equal toa
. - f64_
nearest Experimental - Generates the
f64.nearest
instruction, roundinging to the nearest integer. Rounds half-way cases to the number with an even least significant digit. - f64_
sqrt Experimental - Generates the
f64.sqrt
instruction, returning the square root of the numbera
. - f64_
trunc Experimental - Generates the
f64.trunc
instruction, roundinging to the nearest integer towards zero. - f64x2âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- f64x2_
abs âšExperimental simd128
- Calculates the absolute value of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
- f64x2_
add âšExperimental simd128
- Lane-wise add of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
ceil âšExperimental simd128
- Lane-wise rounding to the nearest integral value not smaller than the input.
- f64x2_
convert_ âšlow_ i32x4 Experimental simd128
- Lane-wise conversion from integer to floating point.
- f64x2_
convert_ âšlow_ u32x4 Experimental simd128
- Lane-wise conversion from integer to floating point.
- f64x2_
div âšExperimental simd128
- Lane-wise divide of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 2 packed f64 numbers.
- f64x2_
floor âšExperimental simd128
- Lane-wise rounding to the nearest integral value not greater than the input.
- f64x2_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
max âšExperimental simd128
- Calculates the lane-wise maximum of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
min âšExperimental simd128
- Calculates the lane-wise minimum of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
mul âšExperimental simd128
- Lane-wise multiply of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
- f64x2_
nearest âšExperimental simd128
- Lane-wise rounding to the nearest integral value; if two values are equally near, rounds to the even one.
- f64x2_
neg âšExperimental simd128
- Negates each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
- f64x2_
pmax âšExperimental simd128
- Lane-wise maximum value, defined as
a < b ? b : a
- f64x2_
pmin âšExperimental simd128
- Lane-wise minimum value, defined as
b < a ? b : a
- f64x2_
promote_ âšlow_ f32x4 Experimental simd128
- Conversion of the two lower single-precision floating point lanes to the two double-precision lanes of the result.
- f64x2_
relaxed_ âšmadd Experimental relaxed-simd
- Computes
a * b + c
with either one rounding or two roundings. - f64x2_
relaxed_ âšmax Experimental relaxed-simd
- A relaxed version of
f64x2_max
which is eitherf64x2_max
orf64x2_pmax
. - f64x2_
relaxed_ âšmin Experimental relaxed-simd
- A relaxed version of
f64x2_min
which is eitherf64x2_min
orf64x2_pmin
. - f64x2_
relaxed_ âšnmadd Experimental relaxed-simd
- Computes
-a * b + c
with either one rounding or two roundings. - f64x2_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 2 packed f64 numbers.
- f64x2_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- f64x2_
sqrt âšExperimental simd128
- Calculates the square root of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
- f64x2_
sub âšExperimental simd128
- Lane-wise subtract of two 128-bit vectors interpreted as two 64-bit floating point numbers.
- f64x2_
trunc âšExperimental simd128
- Lane-wise rounding to the nearest integral value with the magnitude not larger than the input.
- i8x16âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- i8x16_
abs âšExperimental simd128
- Lane-wise wrapping absolute value.
- i8x16_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.
- i8x16_
add_ âšsat Experimental 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_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- i8x16_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - i8x16_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
- i8x16_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
- i8x16_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
- i8x16_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
- i8x16_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
- i8x16_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
- i8x16_
max âšExperimental simd128
- Compares lane-wise signed integers, and returns the maximum of each pair.
- i8x16_
min âšExperimental simd128
- Compares lane-wise signed integers, and returns the minimum of each pair.
- i8x16_
narrow_ âši16x8 Experimental simd128
- Converts two input vectors into a smaller lane vector by narrowing each lane.
- i8x16_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
- i8x16_
neg âšExperimental simd128
- Negates a 128-bit vectors interpreted as sixteen 8-bit signed integers
- i8x16_
popcnt âšExperimental simd128
- Count the number of bits set to one within each lane.
- i8x16_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšswizzle Experimental relaxed-simd
- A relaxed version of
i8x16_swizzle(a, s)
which selects lanes froma
using indices ins
. - i8x16_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
- i8x16_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- i8x16_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, sign extending.
- i8x16_
shuffle âšExperimental 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 âšExperimental simd128
- Creates a vector with identical lanes.
- i8x16_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.
- i8x16_
sub_ âšsat Experimental 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 âšExperimental simd128
- Returns a new vector with lanes selected from the lanes of the first input
vector
a
specified in the second input vectors
. - i16x8âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- i16x8_
abs âšExperimental simd128
- Lane-wise wrapping absolute value.
- i16x8_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed eight 16-bit integers.
- i16x8_
add_ âšsat Experimental 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_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- i16x8_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - i16x8_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
- i16x8_
extadd_ âšpairwise_ i8x16 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- i16x8_
extadd_ âšpairwise_ u8x16 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- i16x8_
extend_ âšhigh_ i8x16 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, sign extended.
- i16x8_
extend_ âšhigh_ u8x16 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- i16x8_
extend_ âšlow_ i8x16 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, sign extended.
- i16x8_
extend_ âšlow_ u8x16 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- i16x8_
extmul_ âšhigh_ i8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i16x8_
extmul_ âšhigh_ u8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i16x8_
extmul_ âšlow_ i8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i16x8_
extmul_ âšlow_ u8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i16x8_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
- i16x8_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
- i16x8_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
- i16x8_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
- i16x8_
load_ âšextend_ i8x8 Experimental simd128
- Load eight 8-bit integers and sign extend each one to a 16-bit lane
- i16x8_
load_ âšextend_ u8x8 Experimental simd128
- Load eight 8-bit integers and zero extend each one to a 16-bit lane
- i16x8_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
- i16x8_
max âšExperimental simd128
- Compares lane-wise signed integers, and returns the maximum of each pair.
- i16x8_
min âšExperimental simd128
- Compares lane-wise signed integers, and returns the minimum of each pair.
- i16x8_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed eight 16-bit signed integers.
- i16x8_
narrow_ âši32x4 Experimental simd128
- Converts two input vectors into a smaller lane vector by narrowing each lane.
- i16x8_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
- i16x8_
neg âšExperimental simd128
- Negates a 128-bit vectors interpreted as eight 16-bit signed integers
- i16x8_
q15mulr_ âšsat Experimental simd128
- Lane-wise saturating rounding multiplication in Q15 format.
- i16x8_
relaxed_ âšdot_ i8x16_ i7x16 Experimental relaxed-simd
- A relaxed dot-product instruction.
- i16x8_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšq15mulr Experimental relaxed-simd
- A relaxed version of
i16x8_relaxed_q15mulr
where if both lanes arei16::MIN
then the result is eitheri16::MIN
ori16::MAX
. - i16x8_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
- i16x8_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- i16x8_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, sign extending.
- i16x8_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were eight 16-bit integers, only taking 8 indices to shuffle. - i16x8_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- i16x8_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.
- i16x8_
sub_ âšsat Experimental simd128
- Subtracts two 128-bit vectors as if they were two packed eight 16-bit
signed integers, saturating on overflow to
i16::MIN
. - i32x4âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- i32x4_
abs âšExperimental simd128
- Lane-wise wrapping absolute value.
- i32x4_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed four 32-bit integers.
- i32x4_
all_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- i32x4_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - i32x4_
dot_ âši16x8 Experimental 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 âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
- i32x4_
extadd_ âšpairwise_ i16x8 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- i32x4_
extadd_ âšpairwise_ u16x8 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- i32x4_
extend_ âšhigh_ i16x8 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, sign extended.
- i32x4_
extend_ âšhigh_ u16x8 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- i32x4_
extend_ âšlow_ i16x8 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, sign extended.
- i32x4_
extend_ âšlow_ u16x8 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- i32x4_
extmul_ âšhigh_ i16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i32x4_
extmul_ âšhigh_ u16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i32x4_
extmul_ âšlow_ i16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i32x4_
extmul_ âšlow_ u16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i32x4_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
- i32x4_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
- i32x4_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
- i32x4_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
- i32x4_
load_ âšextend_ i16x4 Experimental simd128
- Load four 16-bit integers and sign extend each one to a 32-bit lane
- i32x4_
load_ âšextend_ u16x4 Experimental simd128
- Load four 16-bit integers and zero extend each one to a 32-bit lane
- i32x4_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
- i32x4_
max âšExperimental simd128
- Compares lane-wise signed integers, and returns the maximum of each pair.
- i32x4_
min âšExperimental simd128
- Compares lane-wise signed integers, and returns the minimum of each pair.
- i32x4_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed four 32-bit signed integers.
- i32x4_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
- i32x4_
neg âšExperimental simd128
- Negates a 128-bit vectors interpreted as four 32-bit signed integers
- i32x4_
relaxed_ âšdot_ i8x16_ i7x16_ add Experimental relaxed-simd
- Similar to
i16x8_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_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âštrunc_ f32x4 Experimental relaxed-simd
- A relaxed version of
i32x4_trunc_sat_f32x4(a)
converts thef32
lanes ofa
to signed 32-bit integers. - i32x4_
relaxed_ âštrunc_ f64x2_ zero Experimental relaxed-simd
- A relaxed version of
i32x4_trunc_sat_f64x2_zero(a)
converts thef64
lanes ofa
to signed 32-bit integers and the upper two lanes are zero. - i32x4_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
- i32x4_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- i32x4_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, sign extending.
- i32x4_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were four 32-bit integers, only taking 4 indices to shuffle. - i32x4_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- i32x4_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.
- i32x4_
trunc_ âšsat_ f32x4 Experimental 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_ âšsat_ f64x2_ zero Experimental simd128
- Saturating conversion of the two double-precision floating point lanes to
two lower integer lanes using the IEEE
convertToIntegerTowardZero
function. - i64x2âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- i64x2_
abs âšExperimental simd128
- Lane-wise wrapping absolute value.
- i64x2_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed two 64-bit integers.
- i64x2_
all_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- i64x2_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - i64x2_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.
- i64x2_
extend_ âšhigh_ i32x4 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, sign extended.
- i64x2_
extend_ âšhigh_ u32x4 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- i64x2_
extend_ âšlow_ i32x4 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, sign extended.
- i64x2_
extend_ âšlow_ u32x4 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- i64x2_
extmul_ âšhigh_ i32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i64x2_
extmul_ âšhigh_ u32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i64x2_
extmul_ âšlow_ i32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i64x2_
extmul_ âšlow_ u32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- i64x2_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
- i64x2_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.
- i64x2_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.
- i64x2_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.
- i64x2_
load_ âšextend_ i32x2 Experimental simd128
- Load two 32-bit integers and sign extend each one to a 64-bit lane
- i64x2_
load_ âšextend_ u32x2 Experimental simd128
- Load two 32-bit integers and zero extend each one to a 64-bit lane
- i64x2_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.
- i64x2_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.
- i64x2_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.
- i64x2_
neg âšExperimental simd128
- Negates a 128-bit vectors interpreted as two 64-bit signed integers
- i64x2_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
- i64x2_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- i64x2_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, sign extending.
- i64x2_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were two 64-bit integers, only taking 2 indices to shuffle. - i64x2_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- i64x2_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed two 64-bit integers.
- memory_
atomic_ âšnotify Experimental atomics
- Corresponding intrinsic to wasm’s
memory.atomic.notify
instruction - memory_
atomic_ âšwait32 Experimental atomics
- Corresponding intrinsic to wasm’s
memory.atomic.wait32
instruction - memory_
atomic_ âšwait64 Experimental atomics
- Corresponding intrinsic to wasm’s
memory.atomic.wait64
instruction - memory_
grow Experimental - Corresponding intrinsic to wasm’s
memory.grow
instruction - memory_
size Experimental - Corresponding intrinsic to wasm’s
memory.size
instruction - throwâš
Experimental - Generates the
throw
instruction from the exception-handling proposal for WASM. - u8x16âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- u8x16_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.
- u8x16_
add_ âšsat Experimental 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_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- u8x16_
avgr âšExperimental simd128
- Lane-wise rounding average.
- u8x16_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - u8x16_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
- u8x16_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 16 packed u8 numbers.
- u8x16_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
- u8x16_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
- u8x16_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
- u8x16_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
- u8x16_
max âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the maximum of each pair.
- u8x16_
min âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the minimum of each pair.
- u8x16_
narrow_ âši16x8 Experimental simd128
- Converts two input vectors into a smaller lane vector by narrowing each lane.
- u8x16_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
- u8x16_
popcnt âšExperimental simd128
- Count the number of bits set to one within each lane.
- u8x16_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšswizzle Experimental relaxed-simd
- A relaxed version of
i8x16_swizzle(a, s)
which selects lanes froma
using indices ins
. - u8x16_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 16 packed u8 numbers.
- u8x16_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- u8x16_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, shifting in zeros.
- u8x16_
shuffle âšExperimental 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 âšExperimental simd128
- Creates a vector with identical lanes.
- u8x16_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.
- u8x16_
sub_ âšsat Experimental simd128
- Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit unsigned integers, saturating on overflow to 0.
- u8x16_
swizzle âšExperimental simd128
- Returns a new vector with lanes selected from the lanes of the first input
vector
a
specified in the second input vectors
. - u16x8âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- u16x8_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed eight 16-bit integers.
- u16x8_
add_ âšsat Experimental 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_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- u16x8_
avgr âšExperimental simd128
- Lane-wise rounding average.
- u16x8_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - u16x8_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
- u16x8_
extadd_ âšpairwise_ u8x16 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- u16x8_
extend_ âšhigh_ u8x16 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- u16x8_
extend_ âšlow_ u8x16 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- u16x8_
extmul_ âšhigh_ u8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u16x8_
extmul_ âšlow_ u8x16 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u16x8_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 8 packed u16 numbers.
- u16x8_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
- u16x8_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
- u16x8_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
- u16x8_
load_ âšextend_ u8x8 Experimental simd128
- Load eight 8-bit integers and zero extend each one to a 16-bit lane
- u16x8_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
- u16x8_
max âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the maximum of each pair.
- u16x8_
min âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the minimum of each pair.
- u16x8_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed eight 16-bit signed integers.
- u16x8_
narrow_ âši32x4 Experimental simd128
- Converts two input vectors into a smaller lane vector by narrowing each lane.
- u16x8_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
- u16x8_
relaxed_ âšdot_ i8x16_ i7x16 Experimental relaxed-simd
- A relaxed dot-product instruction.
- u16x8_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšq15mulr Experimental relaxed-simd
- A relaxed version of
i16x8_relaxed_q15mulr
where if both lanes arei16::MIN
then the result is eitheri16::MIN
ori16::MAX
. - u16x8_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 8 packed u16 numbers.
- u16x8_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- u16x8_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, shifting in zeros.
- u16x8_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were eight 16-bit integers, only taking 8 indices to shuffle. - u16x8_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- u16x8_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.
- u16x8_
sub_ âšsat Experimental simd128
- Subtracts two 128-bit vectors as if they were two packed eight 16-bit unsigned integers, saturating on overflow to 0.
- u32x4âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- u32x4_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed four 32-bit integers.
- u32x4_
all_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- u32x4_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - u32x4_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
- u32x4_
extadd_ âšpairwise_ u16x8 Experimental simd128
- Integer extended pairwise addition producing extended results (twice wider results than the inputs).
- u32x4_
extend_ âšhigh_ u16x8 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- u32x4_
extend_ âšlow_ u16x8 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- u32x4_
extmul_ âšhigh_ u16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u32x4_
extmul_ âšlow_ u16x8 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u32x4_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 4 packed u32 numbers.
- u32x4_
ge âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
- u32x4_
gt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
- u32x4_
le âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
- u32x4_
load_ âšextend_ u16x4 Experimental simd128
- Load four 16-bit integers and zero extend each one to a 32-bit lane
- u32x4_
lt âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
- u32x4_
max âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the maximum of each pair.
- u32x4_
min âšExperimental simd128
- Compares lane-wise unsigned integers, and returns the minimum of each pair.
- u32x4_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed four 32-bit signed integers.
- u32x4_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
- u32x4_
relaxed_ âšdot_ i8x16_ i7x16_ add Experimental relaxed-simd
- Similar to
i16x8_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_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âštrunc_ f32x4 Experimental relaxed-simd
- A relaxed version of
u32x4_trunc_sat_f32x4(a)
converts thef32
lanes ofa
to unsigned 32-bit integers. - u32x4_
relaxed_ âštrunc_ f64x2_ zero Experimental relaxed-simd
- A relaxed version of
u32x4_trunc_sat_f64x2_zero(a)
converts thef64
lanes ofa
to unsigned 32-bit integers and the upper two lanes are zero. - u32x4_
replace_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 4 packed u32 numbers.
- u32x4_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- u32x4_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, shifting in zeros.
- u32x4_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were four 32-bit integers, only taking 4 indices to shuffle. - u32x4_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- u32x4_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.
- u32x4_
trunc_ âšsat_ f32x4 Experimental 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_ âšsat_ f64x2_ zero Experimental simd128
- Saturating conversion of the two double-precision floating point lanes to
two lower integer lanes using the IEEE
convertToIntegerTowardZero
function. - u64x2âš
Experimental simd128
- Materializes a SIMD value from the provided operands.
- u64x2_
add âšExperimental simd128
- Adds two 128-bit vectors as if they were two packed two 64-bit integers.
- u64x2_
all_ âštrue Experimental simd128
- Returns true if all lanes are non-zero, false otherwise.
- u64x2_
bitmask âšExperimental simd128
- Extracts the high bit for each lane in
a
and produce a scalar mask with all bits concatenated. - u64x2_
eq âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.
- u64x2_
extend_ âšhigh_ u32x4 Experimental simd128
- Converts high half of the smaller lane vector to a larger lane vector, zero extended.
- u64x2_
extend_ âšlow_ u32x4 Experimental simd128
- Converts low half of the smaller lane vector to a larger lane vector, zero extended.
- u64x2_
extmul_ âšhigh_ u32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u64x2_
extmul_ âšlow_ u32x4 Experimental simd128
- Lane-wise integer extended multiplication producing twice wider result than the inputs.
- u64x2_
extract_ âšlane Experimental simd128
- Extracts a lane from a 128-bit vector interpreted as 2 packed u64 numbers.
- u64x2_
load_ âšextend_ u32x2 Experimental simd128
- Load two 32-bit integers and zero extend each one to a 64-bit lane
- u64x2_
mul âšExperimental simd128
- Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.
- u64x2_
ne âšExperimental simd128
- Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.
- u64x2_
relaxed_ âšlaneselect Experimental relaxed-simd
- A relaxed version of
v128_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_ âšlane Experimental simd128
- Replaces a lane from a 128-bit vector interpreted as 2 packed u64 numbers.
- u64x2_
shl âšExperimental simd128
- Shifts each lane to the left by the specified number of bits.
- u64x2_
shr âšExperimental simd128
- Shifts each lane to the right by the specified number of bits, shifting in zeros.
- u64x2_
shuffle âšExperimental simd128
- Same as
i8x16_shuffle
, except operates as if the inputs were two 64-bit integers, only taking 2 indices to shuffle. - u64x2_
splat âšExperimental simd128
- Creates a vector with identical lanes.
- u64x2_
sub âšExperimental simd128
- Subtracts two 128-bit vectors as if they were two packed two 64-bit integers.
- unreachable
Experimental - Generates the
unreachable
instruction, which causes an unconditional trap. - v128_
and âšExperimental simd128
- Performs a bitwise and of the two input 128-bit vectors, returning the resulting vector.
- v128_
andnot âšExperimental simd128
- Bitwise AND of bits of
a
and the logical inverse of bits ofb
. - v128_
any_ âštrue Experimental simd128
- Returns
true
if any bit ina
is set, orfalse
otherwise. - v128_
bitselect âšExperimental simd128
- Use the bitmask in
c
to select bits fromv1
when 1 andv2
when 0. - v128_
load âšExperimental simd128
- Loads a
v128
vector from the given heap address. - v128_
load8_ âšlane Experimental simd128
- Loads an 8-bit value from
m
and sets laneL
ofv
to that value. - v128_
load8_ âšsplat Experimental simd128
- Load a single element and splat to all lanes of a v128 vector.
- v128_
load16_ âšlane Experimental simd128
- Loads a 16-bit value from
m
and sets laneL
ofv
to that value. - v128_
load16_ âšsplat Experimental simd128
- Load a single element and splat to all lanes of a v128 vector.
- v128_
load32_ âšlane Experimental simd128
- Loads a 32-bit value from
m
and sets laneL
ofv
to that value. - v128_
load32_ âšsplat Experimental simd128
- Load a single element and splat to all lanes of a v128 vector.
- v128_
load32_ âšzero Experimental simd128
- Load a 32-bit element into the low bits of the vector and sets all other bits to zero.
- v128_
load64_ âšlane Experimental simd128
- Loads a 64-bit value from
m
and sets laneL
ofv
to that value. - v128_
load64_ âšsplat Experimental simd128
- Load a single element and splat to all lanes of a v128 vector.
- v128_
load64_ âšzero Experimental simd128
- Load a 64-bit element into the low bits of the vector and sets all other bits to zero.
- v128_
not âšExperimental simd128
- Flips each bit of the 128-bit input vector.
- v128_orâš
Experimental simd128
- Performs a bitwise or of the two input 128-bit vectors, returning the resulting vector.
- v128_
store âšExperimental simd128
- Stores a
v128
vector to the given heap address. - v128_
store8_ âšlane Experimental simd128
- Stores the 8-bit value from lane
L
ofv
intom
- v128_
store16_ âšlane Experimental simd128
- Stores the 16-bit value from lane
L
ofv
intom
- v128_
store32_ âšlane Experimental simd128
- Stores the 32-bit value from lane
L
ofv
intom
- v128_
store64_ âšlane Experimental simd128
- Stores the 64-bit value from lane
L
ofv
intom
- v128_
xor âšExperimental simd128
- Performs a bitwise xor of the two input 128-bit vectors, returning the resulting vector.