# 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.