# Module core::arch::wasm

source · [−]
🔬 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

WASM-specific 128-bit wide SIMD vector type.

## Functions

memory_atomic_notify⚠Experimental `atomics`

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

memory_atomic_wait32⚠Experimental `atomics`

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

memory_atomic_wait64⚠Experimental `atomics`

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

f32x4 `simd128`

Materializes a SIMD value from the provided operands.

f32x4_abs `simd128`

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

f32x4_add `simd128`

Lane-wise addition of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_ceil `simd128`

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

f32x4_convert_i32x4 `simd128`

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

f32x4_convert_u32x4 `simd128`

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

f32x4_demote_f64x2_zero `simd128`

Conversion of the two double-precision floating point lanes to two lower single-precision lanes of the result. The two higher lanes of the result are initialized to zero. If the conversion result is not representable as a single-precision floating point number, it is rounded to the nearest-even representable number.

f32x4_div `simd128`

Lane-wise division of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_eq `simd128`

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

f32x4_extract_lane `simd128`

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

f32x4_floor `simd128`

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

f32x4_ge `simd128`

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

f32x4_gt `simd128`

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

f32x4_le `simd128`

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

f32x4_lt `simd128`

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

f32x4_max `simd128`

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

f32x4_min `simd128`

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

f32x4_mul `simd128`

Lane-wise multiplication of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_ne `simd128`

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

f32x4_nearest `simd128`

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

f32x4_neg `simd128`

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

f32x4_pmax `simd128`

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

f32x4_pmin `simd128`

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

f32x4_replace_lane `simd128`

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

f32x4_splat `simd128`

Creates a vector with identical lanes.

f32x4_sqrt `simd128`

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

f32x4_sub `simd128`

Lane-wise subtraction of two 128-bit vectors interpreted as four 32-bit floating point numbers.

f32x4_trunc `simd128`

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

f64x2 `simd128`

Materializes a SIMD value from the provided operands.

f64x2_abs `simd128`

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

f64x2_add `simd128`

Lane-wise add of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_ceil `simd128`

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

f64x2_convert_low_i32x4 `simd128`

Lane-wise conversion from integer to floating point.

f64x2_convert_low_u32x4 `simd128`

Lane-wise conversion from integer to floating point.

f64x2_div `simd128`

Lane-wise divide of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_eq `simd128`

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

f64x2_extract_lane `simd128`

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

f64x2_floor `simd128`

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

f64x2_ge `simd128`

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

f64x2_gt `simd128`

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

f64x2_le `simd128`

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

f64x2_lt `simd128`

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

f64x2_max `simd128`

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

f64x2_min `simd128`

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

f64x2_mul `simd128`

Lane-wise multiply of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_ne `simd128`

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

f64x2_nearest `simd128`

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

f64x2_neg `simd128`

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

f64x2_pmax `simd128`

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

f64x2_pmin `simd128`

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

f64x2_promote_low_f32x4 `simd128`

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

f64x2_replace_lane `simd128`

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

f64x2_splat `simd128`

Creates a vector with identical lanes.

f64x2_sqrt `simd128`

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

f64x2_sub `simd128`

Lane-wise subtract of two 128-bit vectors interpreted as two 64-bit floating point numbers.

f64x2_trunc `simd128`

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

i8x16 `simd128`

Materializes a SIMD value from the provided operands.

i8x16_abs `simd128`

Lane-wise wrapping absolute value.

i8x16_add `simd128`

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

i8x16_add_sat `simd128`

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

i8x16_all_true `simd128`

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

i8x16_bitmask `simd128`

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

i8x16_eq `simd128`

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

i8x16_extract_lane `simd128`

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

i8x16_ge `simd128`

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

i8x16_gt `simd128`

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

i8x16_le `simd128`

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

i8x16_lt `simd128`

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

i8x16_max `simd128`

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

i8x16_min `simd128`

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

i8x16_narrow_i16x8 `simd128`

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

i8x16_ne `simd128`

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

i8x16_neg `simd128`

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

i8x16_popcnt `simd128`

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

i8x16_replace_lane `simd128`

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

i8x16_shl `simd128`

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

i8x16_shr `simd128`

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

i8x16_shuffle `simd128`

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

i8x16_splat `simd128`

Creates a vector with identical lanes.

i8x16_sub `simd128`

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

i8x16_sub_sat `simd128`

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

i8x16_swizzle `simd128`

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

i16x8 `simd128`

Materializes a SIMD value from the provided operands.

i16x8_abs `simd128`

Lane-wise wrapping absolute value.

i16x8_add `simd128`

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

i16x8_add_sat `simd128`

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

i16x8_all_true `simd128`

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

i16x8_bitmask `simd128`

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

i16x8_eq `simd128`

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

i16x8_extadd_pairwise_i8x16 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

i16x8_extadd_pairwise_u8x16 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

i16x8_extend_high_i8x16 `simd128`

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

i16x8_extend_high_u8x16 `simd128`

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

i16x8_extend_low_i8x16 `simd128`

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

i16x8_extend_low_u8x16 `simd128`

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

i16x8_extmul_high_i8x16 `simd128`

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

i16x8_extmul_high_u8x16 `simd128`

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

i16x8_extmul_low_i8x16 `simd128`

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

i16x8_extmul_low_u8x16 `simd128`

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

i16x8_extract_lane `simd128`

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

i16x8_ge `simd128`

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

i16x8_gt `simd128`

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

i16x8_le `simd128`

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

i16x8_load_extend_i8x8⚠`simd128`

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

i16x8_load_extend_u8x8⚠`simd128`

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

i16x8_lt `simd128`

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

i16x8_max `simd128`

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

i16x8_min `simd128`

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

i16x8_mul `simd128`

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

i16x8_narrow_i32x4 `simd128`

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

i16x8_ne `simd128`

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

i16x8_neg `simd128`

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

i16x8_q15mulr_sat `simd128`

Lane-wise saturating rounding multiplication in Q15 format.

i16x8_replace_lane `simd128`

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

i16x8_shl `simd128`

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

i16x8_shr `simd128`

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

i16x8_shuffle `simd128`

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

i16x8_splat `simd128`

Creates a vector with identical lanes.

i16x8_sub `simd128`

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

i16x8_sub_sat `simd128`

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

i32x4 `simd128`

Materializes a SIMD value from the provided operands.

i32x4_abs `simd128`

Lane-wise wrapping absolute value.

i32x4_add `simd128`

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

i32x4_all_true `simd128`

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

i32x4_bitmask `simd128`

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

i32x4_dot_i16x8 `simd128`

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

i32x4_eq `simd128`

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

i32x4_extadd_pairwise_i16x8 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

i32x4_extadd_pairwise_u16x8 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

i32x4_extend_high_i16x8 `simd128`

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

i32x4_extend_high_u16x8 `simd128`

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

i32x4_extend_low_i16x8 `simd128`

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

i32x4_extend_low_u16x8 `simd128`

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

i32x4_extmul_high_i16x8 `simd128`

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

i32x4_extmul_high_u16x8 `simd128`

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

i32x4_extmul_low_i16x8 `simd128`

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

i32x4_extmul_low_u16x8 `simd128`

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

i32x4_extract_lane `simd128`

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

i32x4_ge `simd128`

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

i32x4_gt `simd128`

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

i32x4_le `simd128`

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

i32x4_load_extend_i16x4⚠`simd128`

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

i32x4_load_extend_u16x4⚠`simd128`

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

i32x4_lt `simd128`

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

i32x4_max `simd128`

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

i32x4_min `simd128`

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

i32x4_mul `simd128`

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

i32x4_ne `simd128`

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

i32x4_neg `simd128`

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

i32x4_replace_lane `simd128`

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

i32x4_shl `simd128`

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

i32x4_shr `simd128`

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

i32x4_shuffle `simd128`

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

i32x4_splat `simd128`

Creates a vector with identical lanes.

i32x4_sub `simd128`

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

i32x4_trunc_sat_f32x4 `simd128`

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

i32x4_trunc_sat_f64x2_zero `simd128`

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

i64x2 `simd128`

Materializes a SIMD value from the provided operands.

i64x2_abs `simd128`

Lane-wise wrapping absolute value.

i64x2_add `simd128`

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

i64x2_all_true `simd128`

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

i64x2_bitmask `simd128`

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

i64x2_eq `simd128`

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

i64x2_extend_high_i32x4 `simd128`

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

i64x2_extend_high_u32x4 `simd128`

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

i64x2_extend_low_i32x4 `simd128`

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

i64x2_extend_low_u32x4 `simd128`

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

i64x2_extmul_high_i32x4 `simd128`

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

i64x2_extmul_high_u32x4 `simd128`

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

i64x2_extmul_low_i32x4 `simd128`

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

i64x2_extmul_low_u32x4 `simd128`

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

i64x2_extract_lane `simd128`

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

i64x2_ge `simd128`

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

i64x2_gt `simd128`

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

i64x2_le `simd128`

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

i64x2_load_extend_i32x2⚠`simd128`

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

i64x2_load_extend_u32x2⚠`simd128`

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

i64x2_lt `simd128`

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

i64x2_mul `simd128`

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

i64x2_ne `simd128`

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

i64x2_neg `simd128`

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

i64x2_replace_lane `simd128`

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

i64x2_shl `simd128`

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

i64x2_shr `simd128`

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

i64x2_shuffle `simd128`

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

i64x2_splat `simd128`

Creates a vector with identical lanes.

i64x2_sub `simd128`

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

memory_grow

Corresponding intrinsic to wasm’s `memory.grow` instruction

memory_size

Corresponding intrinsic to wasm’s `memory.size` instruction

u8x16 `simd128`

Materializes a SIMD value from the provided operands.

u8x16_add `simd128`

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

u8x16_add_sat `simd128`

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

u8x16_all_true `simd128`

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

u8x16_avgr `simd128`

Lane-wise rounding average.

u8x16_bitmask `simd128`

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

u8x16_eq `simd128`

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

u8x16_extract_lane `simd128`

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

u8x16_ge `simd128`

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

u8x16_gt `simd128`

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

u8x16_le `simd128`

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

u8x16_lt `simd128`

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

u8x16_max `simd128`

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

u8x16_min `simd128`

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

u8x16_narrow_i16x8 `simd128`

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

u8x16_ne `simd128`

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

u8x16_popcnt `simd128`

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

u8x16_replace_lane `simd128`

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

u8x16_shl `simd128`

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

u8x16_shr `simd128`

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

u8x16_shuffle `simd128`

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

u8x16_splat `simd128`

Creates a vector with identical lanes.

u8x16_sub `simd128`

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

u8x16_sub_sat `simd128`

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

u8x16_swizzle `simd128`

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

u16x8 `simd128`

Materializes a SIMD value from the provided operands.

u16x8_add `simd128`

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

u16x8_add_sat `simd128`

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

u16x8_all_true `simd128`

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

u16x8_avgr `simd128`

Lane-wise rounding average.

u16x8_bitmask `simd128`

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

u16x8_eq `simd128`

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

u16x8_extadd_pairwise_u8x16 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

u16x8_extend_high_u8x16 `simd128`

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

u16x8_extend_low_u8x16 `simd128`

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

u16x8_extmul_high_u8x16 `simd128`

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

u16x8_extmul_low_u8x16 `simd128`

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

u16x8_extract_lane `simd128`

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

u16x8_ge `simd128`

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

u16x8_gt `simd128`

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

u16x8_le `simd128`

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

u16x8_load_extend_u8x8⚠`simd128`

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

u16x8_lt `simd128`

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

u16x8_max `simd128`

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

u16x8_min `simd128`

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

u16x8_mul `simd128`

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

u16x8_narrow_i32x4 `simd128`

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

u16x8_ne `simd128`

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

u16x8_replace_lane `simd128`

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

u16x8_shl `simd128`

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

u16x8_shr `simd128`

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

u16x8_shuffle `simd128`

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

u16x8_splat `simd128`

Creates a vector with identical lanes.

u16x8_sub `simd128`

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

u16x8_sub_sat `simd128`

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

u32x4 `simd128`

Materializes a SIMD value from the provided operands.

u32x4_add `simd128`

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

u32x4_all_true `simd128`

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

u32x4_bitmask `simd128`

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

u32x4_eq `simd128`

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

u32x4_extadd_pairwise_u16x8 `simd128`

Integer extended pairwise addition producing extended results (twice wider results than the inputs).

u32x4_extend_high_u16x8 `simd128`

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

u32x4_extend_low_u16x8 `simd128`

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

u32x4_extmul_high_u16x8 `simd128`

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

u32x4_extmul_low_u16x8 `simd128`

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

u32x4_extract_lane `simd128`

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

u32x4_ge `simd128`

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

u32x4_gt `simd128`

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

u32x4_le `simd128`

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

u32x4_load_extend_u16x4⚠`simd128`

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

u32x4_lt `simd128`

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

u32x4_max `simd128`

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

u32x4_min `simd128`

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

u32x4_mul `simd128`

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

u32x4_ne `simd128`

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

u32x4_replace_lane `simd128`

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

u32x4_shl `simd128`

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

u32x4_shr `simd128`

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

u32x4_shuffle `simd128`

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

u32x4_splat `simd128`

Creates a vector with identical lanes.

u32x4_sub `simd128`

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

u32x4_trunc_sat_f32x4 `simd128`

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

u32x4_trunc_sat_f64x2_zero `simd128`

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

u64x2 `simd128`

Materializes a SIMD value from the provided operands.

u64x2_add `simd128`

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

u64x2_all_true `simd128`

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

u64x2_bitmask `simd128`

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

u64x2_eq `simd128`

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

u64x2_extend_high_u32x4 `simd128`

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

u64x2_extend_low_u32x4 `simd128`

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

u64x2_extmul_high_u32x4 `simd128`

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

u64x2_extmul_low_u32x4 `simd128`

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

u64x2_extract_lane `simd128`

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

u64x2_load_extend_u32x2⚠`simd128`

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

u64x2_mul `simd128`

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

u64x2_ne `simd128`

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

u64x2_replace_lane `simd128`

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

u64x2_shl `simd128`

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

u64x2_shr `simd128`

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

u64x2_shuffle `simd128`

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

u64x2_splat `simd128`

Creates a vector with identical lanes.

u64x2_sub `simd128`

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

unreachable

Generates the `unreachable` instruction, which causes an unconditional trap.

v128_and `simd128`

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

v128_andnot `simd128`

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

v128_any_true `simd128`

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

v128_bitselect `simd128`

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

v128_load⚠`simd128`

Loads a `v128` vector from the given heap address.

v128_load8_lane⚠`simd128`

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

v128_load8_splat⚠`simd128`

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

v128_load16_lane⚠`simd128`

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

v128_load16_splat⚠`simd128`

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

v128_load32_lane⚠`simd128`

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

v128_load32_splat⚠`simd128`

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

v128_load32_zero⚠`simd128`

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

v128_load64_lane⚠`simd128`

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

v128_load64_splat⚠`simd128`

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

v128_load64_zero⚠`simd128`

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

v128_not `simd128`

Flips each bit of the 128-bit input vector.

v128_or `simd128`

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

v128_store⚠`simd128`

Stores a `v128` vector to the given heap address.

v128_store8_lane⚠`simd128`

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

v128_store16_lane⚠`simd128`

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

v128_store32_lane⚠`simd128`

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

v128_store64_lane⚠`simd128`

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

v128_xor `simd128`

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