🔬 This is a nightly-only experimental API. (simd_wasm64 #90599)
This is supported 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

memory_atomic_notifyExperimentalatomics

Corresponding intrinsic to wasm’s memory.atomic.notify instruction

memory_atomic_wait32Experimentalatomics

Corresponding intrinsic to wasm’s memory.atomic.wait32 instruction

memory_atomic_wait64Experimentalatomics

Corresponding intrinsic to wasm’s memory.atomic.wait64 instruction

f32x4simd128

Materializes a SIMD value from the provided operands.

f32x4_abssimd128

Calculates the absolute value of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.

f32x4_addsimd128

Adds pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_ceilsimd128

Lane-wise rounding to the nearest integral value not smaller than the input.

Converts a 128-bit vector interpreted as four 32-bit signed integers into a 128-bit vector of four 32-bit floating point numbers.

Converts a 128-bit vector interpreted as four 32-bit unsigned integers into a 128-bit vector of four 32-bit floating point numbers.

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_divsimd128

Divides pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

Extracts a lane from a 128-bit vector interpreted as 4 packed f32 numbers.

Lane-wise rounding to the nearest integral value not greater than the input.

f32x4_gesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

f32x4_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

f32x4_lesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

f32x4_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

f32x4_maxsimd128

Calculates the maximum of pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_minsimd128

Calculates the minimum of pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_mulsimd128

Multiplies pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_nesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.

Lane-wise rounding to the nearest integral value; if two values are equally near, rounds to the even one.

f32x4_negsimd128

Negates each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.

f32x4_pmaxsimd128

Lane-wise maximum value, defined as a < b ? b : a

f32x4_pminsimd128

Lane-wise minimum value, defined as b < a ? b : a

Replaces a lane from a 128-bit vector interpreted as 4 packed f32 numbers.

Creates a vector with identical lanes.

f32x4_sqrtsimd128

Calculates the square root of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.

f32x4_subsimd128

Subtracts pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.

Lane-wise rounding to the nearest integral value with the magnitude not larger than the input.

f64x2simd128

Materializes a SIMD value from the provided operands.

f64x2_abssimd128

Calculates the absolute value of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.

f64x2_addsimd128

Adds pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_ceilsimd128

Lane-wise rounding to the nearest integral value not smaller than the input.

Lane-wise conversion from integer to floating point.

Lane-wise conversion from integer to floating point.

f64x2_divsimd128

Divides pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

Extracts a lane from a 128-bit vector interpreted as 2 packed f64 numbers.

Lane-wise rounding to the nearest integral value not greater than the input.

f64x2_gesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

f64x2_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

f64x2_lesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

f64x2_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

f64x2_maxsimd128

Calculates the maximum of pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_minsimd128

Calculates the minimum of pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_mulsimd128

Multiplies pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_nesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.

Lane-wise rounding to the nearest integral value; if two values are equally near, rounds to the even one.

f64x2_negsimd128

Negates each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.

f64x2_pmaxsimd128

Lane-wise maximum value, defined as a < b ? b : a

f64x2_pminsimd128

Lane-wise minimum value, defined as b < a ? b : a

Conversion of the two lower single-precision floating point lanes to the two double-precision lanes of the result.

Replaces a lane from a 128-bit vector interpreted as 2 packed f64 numbers.

Creates a vector with identical lanes.

f64x2_sqrtsimd128

Calculates the square root of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.

f64x2_subsimd128

Subtracts pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.

Lane-wise rounding to the nearest integral value with the magnitude not larger than the input.

i8x16simd128

Materializes a SIMD value from the provided operands.

i8x16_abssimd128

Lane-wise wrapping absolute value.

i8x16_addsimd128

Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.

Adds two 128-bit vectors as if they were two packed sixteen 8-bit signed integers, saturating on overflow to i8::MAX.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

i8x16_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.

Extracts a lane from a 128-bit vector interpreted as 16 packed i8 numbers.

i8x16_gesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.

i8x16_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.

i8x16_lesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.

i8x16_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.

i8x16_maxsimd128

Compares lane-wise signed integers, and returns the maximum of each pair.

i8x16_minsimd128

Compares lane-wise signed integers, and returns the minimum of each pair.

Converts two input vectors into a smaller lane vector by narrowing each lane.

i8x16_nesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.

i8x16_negsimd128

Negates a 128-bit vectors interpreted as sixteen 8-bit signed integers

Count the number of bits set to one within each lane.

Replaces a lane from a 128-bit vector interpreted as 16 packed i8 numbers.

i8x16_shlsimd128

Shifts each lane to the left by the specified number of bits.

i8x16_shrsimd128

Shifts each lane to the right by the specified number of bits, sign extending.

Returns a new vector with lanes selected from the lanes of the two input vectors $a and $b specified in the 16 immediate operands.

Creates a vector with identical lanes.

i8x16_subsimd128

Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.

Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit signed integers, saturating on overflow to i8::MIN.

Returns a new vector with lanes selected from the lanes of the first input vector a specified in the second input vector s.

i16x8simd128

Materializes a SIMD value from the provided operands.

i16x8_abssimd128

Lane-wise wrapping absolute value.

i16x8_addsimd128

Adds two 128-bit vectors as if they were two packed eight 16-bit integers.

Adds two 128-bit vectors as if they were two packed eight 16-bit signed integers, saturating on overflow to i16::MAX.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

i16x8_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Converts high half of the smaller lane vector to a larger lane vector, sign extended.

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, sign extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 8 packed i16 numbers.

i16x8_gesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.

i16x8_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.

i16x8_lesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.

Load eight 8-bit integers and sign extend each one to a 16-bit lane

Load eight 8-bit integers and zero extend each one to a 16-bit lane

i16x8_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.

i16x8_maxsimd128

Compares lane-wise signed integers, and returns the maximum of each pair.

i16x8_minsimd128

Compares lane-wise signed integers, and returns the minimum of each pair.

i16x8_mulsimd128

Multiplies two 128-bit vectors as if they were two packed eight 16-bit signed integers.

Converts two input vectors into a smaller lane vector by narrowing each lane.

i16x8_nesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.

i16x8_negsimd128

Negates a 128-bit vectors interpreted as eight 16-bit signed integers

Lane-wise saturating rounding multiplication in Q15 format.

Replaces a lane from a 128-bit vector interpreted as 8 packed i16 numbers.

i16x8_shlsimd128

Shifts each lane to the left by the specified number of bits.

i16x8_shrsimd128

Shifts each lane to the right by the specified number of bits, sign extending.

Same as i8x16_shuffle, except operates as if the inputs were eight 16-bit integers, only taking 8 indices to shuffle.

Creates a vector with identical lanes.

i16x8_subsimd128

Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.

Subtracts two 128-bit vectors as if they were two packed eight 16-bit signed integers, saturating on overflow to i16::MIN.

i32x4simd128

Materializes a SIMD value from the provided operands.

i32x4_abssimd128

Lane-wise wrapping absolute value.

i32x4_addsimd128

Adds two 128-bit vectors as if they were two packed four 32-bit integers.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

Lane-wise multiply signed 16-bit integers in the two input vectors and add adjacent pairs of the full 32-bit results.

i32x4_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Converts high half of the smaller lane vector to a larger lane vector, sign extended.

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, sign extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 4 packed i32 numbers.

i32x4_gesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.

i32x4_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.

i32x4_lesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.

Load four 16-bit integers and sign extend each one to a 32-bit lane

Load four 16-bit integers and zero extend each one to a 32-bit lane

i32x4_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.

i32x4_maxsimd128

Compares lane-wise signed integers, and returns the maximum of each pair.

i32x4_minsimd128

Compares lane-wise signed integers, and returns the minimum of each pair.

i32x4_mulsimd128

Multiplies two 128-bit vectors as if they were two packed four 32-bit signed integers.

i32x4_nesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.

i32x4_negsimd128

Negates a 128-bit vectors interpreted as four 32-bit signed integers

Replaces a lane from a 128-bit vector interpreted as 4 packed i32 numbers.

i32x4_shlsimd128

Shifts each lane to the left by the specified number of bits.

i32x4_shrsimd128

Shifts each lane to the right by the specified number of bits, sign extending.

Same as i8x16_shuffle, except operates as if the inputs were four 32-bit integers, only taking 4 indices to shuffle.

Creates a vector with identical lanes.

i32x4_subsimd128

Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.

Converts a 128-bit vector interpreted as four 32-bit floating point numbers into a 128-bit vector of four 32-bit signed integers.

Saturating conversion of the two double-precision floating point lanes to two lower integer lanes using the IEEE convertToIntegerTowardZero function.

i64x2simd128

Materializes a SIMD value from the provided operands.

i64x2_abssimd128

Lane-wise wrapping absolute value.

i64x2_addsimd128

Adds two 128-bit vectors as if they were two packed two 64-bit integers.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

i64x2_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.

Converts high half of the smaller lane vector to a larger lane vector, sign extended.

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, sign extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 2 packed i64 numbers.

i64x2_gesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.

i64x2_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.

i64x2_lesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.

Load two 32-bit integers and sign extend each one to a 64-bit lane

Load two 32-bit integers and zero extend each one to a 64-bit lane

i64x2_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit signed integers.

i64x2_mulsimd128

Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.

i64x2_nesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.

i64x2_negsimd128

Negates a 128-bit vectors interpreted as two 64-bit signed integers

Replaces a lane from a 128-bit vector interpreted as 2 packed i64 numbers.

i64x2_shlsimd128

Shifts each lane to the left by the specified number of bits.

i64x2_shrsimd128

Shifts each lane to the right by the specified number of bits, sign extending.

Same as i8x16_shuffle, except operates as if the inputs were two 64-bit integers, only taking 2 indices to shuffle.

Creates a vector with identical lanes.

i64x2_subsimd128

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

u8x16simd128

Materializes a SIMD value from the provided operands.

u8x16_addsimd128

Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.

Adds two 128-bit vectors as if they were two packed sixteen 8-bit unsigned integers, saturating on overflow to u8::MAX.

Returns true if all lanes are non-zero, false otherwise.

u8x16_avgrsimd128

Lane-wise rounding average.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

u8x16_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.

Extracts a lane from a 128-bit vector interpreted as 16 packed u8 numbers.

u8x16_gesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.

u8x16_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.

u8x16_lesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.

u8x16_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.

u8x16_maxsimd128

Compares lane-wise unsigned integers, and returns the maximum of each pair.

u8x16_minsimd128

Compares lane-wise unsigned integers, and returns the minimum of each pair.

Converts two input vectors into a smaller lane vector by narrowing each lane.

u8x16_nesimd128

Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.

Count the number of bits set to one within each lane.

Replaces a lane from a 128-bit vector interpreted as 16 packed u8 numbers.

u8x16_shlsimd128

Shifts each lane to the left by the specified number of bits.

u8x16_shrsimd128

Shifts each lane to the right by the specified number of bits, shifting in zeros.

Returns a new vector with lanes selected from the lanes of the two input vectors $a and $b specified in the 16 immediate operands.

Creates a vector with identical lanes.

u8x16_subsimd128

Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.

Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit unsigned integers, saturating on overflow to 0.

Returns a new vector with lanes selected from the lanes of the first input vector a specified in the second input vector s.

u16x8simd128

Materializes a SIMD value from the provided operands.

u16x8_addsimd128

Adds two 128-bit vectors as if they were two packed eight 16-bit integers.

Adds two 128-bit vectors as if they were two packed eight 16-bit unsigned integers, saturating on overflow to u16::MAX.

Returns true if all lanes are non-zero, false otherwise.

u16x8_avgrsimd128

Lane-wise rounding average.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

u16x8_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 8 packed u16 numbers.

u16x8_gesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.

u16x8_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.

u16x8_lesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.

Load eight 8-bit integers and zero extend each one to a 16-bit lane

u16x8_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.

u16x8_maxsimd128

Compares lane-wise unsigned integers, and returns the maximum of each pair.

u16x8_minsimd128

Compares lane-wise unsigned integers, and returns the minimum of each pair.

u16x8_mulsimd128

Multiplies two 128-bit vectors as if they were two packed eight 16-bit signed integers.

Converts two input vectors into a smaller lane vector by narrowing each lane.

u16x8_nesimd128

Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.

Replaces a lane from a 128-bit vector interpreted as 8 packed u16 numbers.

u16x8_shlsimd128

Shifts each lane to the left by the specified number of bits.

u16x8_shrsimd128

Shifts each lane to the right by the specified number of bits, shifting in zeros.

Same as i8x16_shuffle, except operates as if the inputs were eight 16-bit integers, only taking 8 indices to shuffle.

Creates a vector with identical lanes.

u16x8_subsimd128

Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.

Subtracts two 128-bit vectors as if they were two packed eight 16-bit unsigned integers, saturating on overflow to 0.

u32x4simd128

Materializes a SIMD value from the provided operands.

u32x4_addsimd128

Adds two 128-bit vectors as if they were two packed four 32-bit integers.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

u32x4_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.

Lane-wise integer extended pairwise addition producing extended results (twice wider results than the inputs).

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 4 packed u32 numbers.

u32x4_gesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.

u32x4_gtsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.

u32x4_lesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.

Load four 16-bit integers and zero extend each one to a 32-bit lane

u32x4_ltsimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.

u32x4_maxsimd128

Compares lane-wise unsigned integers, and returns the maximum of each pair.

u32x4_minsimd128

Compares lane-wise unsigned integers, and returns the minimum of each pair.

u32x4_mulsimd128

Multiplies two 128-bit vectors as if they were two packed four 32-bit signed integers.

u32x4_nesimd128

Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.

Replaces a lane from a 128-bit vector interpreted as 4 packed u32 numbers.

u32x4_shlsimd128

Shifts each lane to the left by the specified number of bits.

u32x4_shrsimd128

Shifts each lane to the right by the specified number of bits, shifting in zeros.

Same as i8x16_shuffle, except operates as if the inputs were four 32-bit integers, only taking 4 indices to shuffle.

Creates a vector with identical lanes.

u32x4_subsimd128

Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.

Converts a 128-bit vector interpreted as four 32-bit floating point numbers into a 128-bit vector of four 32-bit unsigned integers.

Saturating conversion of the two double-precision floating point lanes to two lower integer lanes using the IEEE convertToIntegerTowardZero function.

u64x2simd128

Materializes a SIMD value from the provided operands.

u64x2_addsimd128

Adds two 128-bit vectors as if they were two packed two 64-bit integers.

Returns true if all lanes are non-zero, false otherwise.

Extracts the high bit for each lane in a and produce a scalar mask with all bits concatenated.

u64x2_eqsimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.

Converts high half of the smaller lane vector to a larger lane vector, zero extended.

Converts low half of the smaller lane vector to a larger lane vector, zero extended.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Extracts a lane from a 128-bit vector interpreted as 2 packed u64 numbers.

Load two 32-bit integers and zero extend each one to a 64-bit lane

u64x2_mulsimd128

Multiplies two 128-bit vectors as if they were two packed two 64-bit integers.

u64x2_nesimd128

Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit integers.

Replaces a lane from a 128-bit vector interpreted as 2 packed u64 numbers.

u64x2_shlsimd128

Shifts each lane to the left by the specified number of bits.

u64x2_shrsimd128

Shifts each lane to the right by the specified number of bits, shifting in zeros.

Same as i8x16_shuffle, except operates as if the inputs were two 64-bit integers, only taking 2 indices to shuffle.

Creates a vector with identical lanes.

u64x2_subsimd128

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_andsimd128

Performs a bitwise and of the two input 128-bit vectors, returning the resulting vector.

Bitwise AND of bits of a and the logical inverse of bits of b.

Returns true if any bit in a is set, or false otherwise.

Use the bitmask in c to select bits from v1 when 1 and v2 when 0.

Loads a v128 vector from the given heap address.

Loads an 8-bit value from m and sets lane L of v to that value.

Load a single element and splat to all lanes of a v128 vector.

Loads a 16-bit value from m and sets lane L of v to that value.

Load a single element and splat to all lanes of a v128 vector.

Loads a 32-bit value from m and sets lane L of v to that value.

Load a single element and splat to all lanes of a v128 vector.

Load a 32-bit element into the low bits of the vector and sets all other bits to zero.

Loads a 64-bit value from m and sets lane L of v to that value.

Load a single element and splat to all lanes of a v128 vector.

Load a 64-bit element into the low bits of the vector and sets all other bits to zero.

v128_notsimd128

Flips each bit of the 128-bit input vector.

v128_orsimd128

Performs a bitwise or of the two input 128-bit vectors, returning the resulting vector.

Stores a v128 vector to the given heap address.

Stores the 8-bit value from lane L of v into m

Stores the 16-bit value from lane L of v into m

Stores the 32-bit value from lane L of v into m

Stores the 64-bit value from lane L of v into m

v128_xorsimd128

Performs a bitwise xor of the two input 128-bit vectors, returning the resulting vector.