# 1.33.0[−][src]Module core::arch::wasm32

This is supported on WebAssembly only.

Platform-specific intrinsics for the `wasm32` platform.

See the module documentation for more details.

## Structs

v128 | Experimental WebAssembly WASM-specific 128-bit wide SIMD vector type.

## Functions

memory_grow | WebAssembly Corresponding intrinsic to wasm's `memory.grow` instruction
memory_size | WebAssembly Corresponding intrinsic to wasm's `memory.size` instruction
unreachable⚠ | WebAssembly Generates the trap instruction `UNREACHABLE`
atomic_notify⚠ | Experimental WebAssembly Corresponding intrinsic to wasm's `atomic.notify` instruction
f32x4_splat | Experimental WebAssembly Creates a vector with identical lanes.
f32x4_extract_lane⚠ | Experimental WebAssembly Extracts a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
f32x4_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 4 packed f32 numbers.
f32x4_eq | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_ne | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_lt | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_gt | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_le | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_ge | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit floating point numbers.
f32x4_abs | Experimental WebAssembly Calculates the absolute value of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
f32x4_neg | Experimental WebAssembly Negates each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
f32x4_sqrt | Experimental WebAssembly Calculates the square root of each lane of a 128-bit vector interpreted as four 32-bit floating point numbers.
f32x4_add | Experimental WebAssembly Adds pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_sub | Experimental WebAssembly Subtracts pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_mul | Experimental WebAssembly Multiplies pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_div | Experimental WebAssembly Divides pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_min | Experimental WebAssembly Calculates the minimum of pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_max | Experimental WebAssembly Calculates the maximum of pairwise lanes of two 128-bit vectors interpreted as four 32-bit floating point numbers.
f32x4_convert_i32x4_s | Experimental WebAssembly 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_i32x4_u | Experimental WebAssembly Converts a 128-bit vector interpreted as four 32-bit unsigned integers into a 128-bit vector of four 32-bit floating point numbers.
f64x2_splat | Experimental WebAssembly Creates a vector with identical lanes.
f64x2_extract_lane⚠ | Experimental WebAssembly Extracts lane from a 128-bit vector interpreted as 2 packed f64 numbers.
f64x2_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 2 packed f64 numbers.
f64x2_eq | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_ne | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_lt | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_gt | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_le | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_ge | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 2 sixty-four-bit floating point numbers.
f64x2_abs | Experimental WebAssembly Calculates the absolute value of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
f64x2_neg | Experimental WebAssembly Negates each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
f64x2_sqrt | Experimental WebAssembly Calculates the square root of each lane of a 128-bit vector interpreted as two 64-bit floating point numbers.
f64x2_add | Experimental WebAssembly Adds pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_sub | Experimental WebAssembly Subtracts pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_mul | Experimental WebAssembly Multiplies pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_div | Experimental WebAssembly Divides pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_min | Experimental WebAssembly Calculates the minimum of pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_max | Experimental WebAssembly Calculates the maximum of pairwise lanes of two 128-bit vectors interpreted as two 64-bit floating point numbers.
f64x2_convert_s_i64x2 | Experimental WebAssembly Converts a 128-bit vector interpreted as two 64-bit signed integers into a 128-bit vector of two 64-bit floating point numbers.
f64x2_convert_u_i64x2 | Experimental WebAssembly Converts a 128-bit vector interpreted as two 64-bit unsigned integers into a 128-bit vector of two 64-bit floating point numbers.
i32_atomic_wait⚠ | Experimental WebAssembly Corresponding intrinsic to wasm's `i32.atomic.wait` instruction
i64_atomic_wait⚠ | Experimental WebAssembly Corresponding intrinsic to wasm's `i64.atomic.wait` instruction
i16x8_splat | Experimental WebAssembly Creates a vector with identical lanes.
i16x8_extract_lane⚠ | Experimental WebAssembly Extracts a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
i16x8_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 8 packed i16 numbers.
i16x8_eq | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
i16x8_ne | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit integers.
i16x8_lt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
i16x8_lt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
i16x8_gt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
i16x8_gt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
i16x8_le_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
i16x8_le_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
i16x8_ge_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit signed integers.
i16x8_ge_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 8 sixteen-bit unsigned integers.
i16x8_neg | Experimental WebAssembly Negates a 128-bit vectors intepreted as eight 16-bit signed integers
i16x8_any_true | Experimental WebAssembly Returns 1 if any lane is nonzero or 0 if all lanes are zero.
i16x8_all_true | Experimental WebAssembly Returns 1 if all lanes are nonzero or 0 if any lane is nonzero.
i16x8_shl | Experimental WebAssembly Shifts each lane to the left by the specified number of bits.
i16x8_shr_s | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, sign extending.
i16x8_shr_u | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, shifting in zeros.
i16x8_add | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed eight 16-bit integers.
i16x8_add_saturate_s | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed eight 16-bit signed integers, saturating on overflow to `i16::max_value()`.
i16x8_add_saturate_u | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed eight 16-bit unsigned integers, saturating on overflow to `u16::max_value()`.
i16x8_sub | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed eight 16-bit integers.
i16x8_sub_saturate_s | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed eight 16-bit signed integers, saturating on overflow to `i16::min_value()`.
i16x8_sub_saturate_u | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed eight 16-bit unsigned integers, saturating on overflow to 0.
i16x8_mul | Experimental WebAssembly Multiplies two 128-bit vectors as if they were two packed eight 16-bit signed integers.
i32x4_splat | Experimental WebAssembly Creates a vector with identical lanes.
i32x4_extract_lane⚠ | Experimental WebAssembly Extracts a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
i32x4_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 4 packed i32 numbers.
i32x4_eq | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
i32x4_ne | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit integers.
i32x4_lt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
i32x4_lt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
i32x4_gt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
i32x4_gt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
i32x4_le_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
i32x4_le_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
i32x4_ge_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit signed integers.
i32x4_ge_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 4 thirty-two-bit unsigned integers.
i32x4_neg | Experimental WebAssembly Negates a 128-bit vectors intepreted as four 32-bit signed integers
i32x4_any_true | Experimental WebAssembly Returns 1 if any lane is nonzero or 0 if all lanes are zero.
i32x4_all_true | Experimental WebAssembly Returns 1 if all lanes are nonzero or 0 if any lane is nonzero.
i32x4_shl | Experimental WebAssembly Shifts each lane to the left by the specified number of bits.
i32x4_shr_s | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, sign extending.
i32x4_shr_u | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, shifting in zeros.
i32x4_add | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed four 32-bit integers.
i32x4_sub | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed four 32-bit integers.
i32x4_mul | Experimental WebAssembly Multiplies two 128-bit vectors as if they were two packed four 32-bit signed integers.
i32x4_trunc_s_f32x4_sat | Experimental WebAssembly 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_u_f32x4_sat | Experimental WebAssembly Converts a 128-bit vector interpreted as four 32-bit floating point numbers into a 128-bit vector of four 32-bit unsigned integers.
i64x2_splat | Experimental WebAssembly Creates a vector with identical lanes.
i64x2_extract_lane⚠ | Experimental WebAssembly Extracts a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
i64x2_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 2 packed i64 numbers.
i64x2_neg | Experimental WebAssembly Negates a 128-bit vectors intepreted as two 64-bit signed integers
i64x2_any_true | Experimental WebAssembly Returns 1 if any lane is nonzero or 0 if all lanes are zero.
i64x2_all_true | Experimental WebAssembly Returns 1 if all lanes are nonzero or 0 if any lane is nonzero.
i64x2_shl | Experimental WebAssembly Shifts each lane to the left by the specified number of bits.
i64x2_shr_s | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, sign extending.
i64x2_shr_u | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, shifting in zeros.
i64x2_add | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed two 64-bit integers.
i64x2_sub | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed two 64-bit integers.
i64x2_trunc_s_f64x2_sat | Experimental WebAssembly Converts a 128-bit vector interpreted as two 64-bit floating point numbers into a 128-bit vector of two 64-bit signed integers.
i64x2_trunc_u_f64x2_sat | Experimental WebAssembly Converts a 128-bit vector interpreted as two 64-bit floating point numbers into a 128-bit vector of two 64-bit unsigned integers.
i8x16_splat | Experimental WebAssembly Creates a vector with identical lanes.
i8x16_extract_lane⚠ | Experimental WebAssembly Extracts a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
i8x16_replace_lane⚠ | Experimental WebAssembly Replaces a lane from a 128-bit vector interpreted as 16 packed i8 numbers.
i8x16_eq | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
i8x16_ne | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit integers.
i8x16_lt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
i8x16_lt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
i8x16_gt_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
i8x16_gt_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
i8x16_le_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
i8x16_le_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
i8x16_ge_s | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit signed integers.
i8x16_ge_u | Experimental WebAssembly Compares two 128-bit vectors as if they were two vectors of 16 eight-bit unsigned integers.
i8x16_neg | Experimental WebAssembly Negates a 128-bit vectors intepreted as sixteen 8-bit signed integers
i8x16_any_true | Experimental WebAssembly Returns 1 if any lane is nonzero or 0 if all lanes are zero.
i8x16_all_true | Experimental WebAssembly Returns 1 if all lanes are nonzero or 0 if any lane is nonzero.
i8x16_shl | Experimental WebAssembly Shifts each lane to the left by the specified number of bits.
i8x16_shr_s | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, sign extending.
i8x16_shr_u | Experimental WebAssembly Shifts each lane to the right by the specified number of bits, shifting in zeros.
i8x16_add | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed sixteen 8-bit integers.
i8x16_add_saturate_s | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed sixteen 8-bit signed integers, saturating on overflow to `i8::max_value()`.
i8x16_add_saturate_u | Experimental WebAssembly Adds two 128-bit vectors as if they were two packed sixteen 8-bit unsigned integers, saturating on overflow to `u8::max_value()`.
i8x16_sub | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit integers.
i8x16_sub_saturate_s | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit signed integers, saturating on overflow to `i8::min_value()`.
i8x16_sub_saturate_u | Experimental WebAssembly Subtracts two 128-bit vectors as if they were two packed sixteen 8-bit unsigned integers, saturating on overflow to 0.
i8x16_mul | Experimental WebAssembly Multiplies two 128-bit vectors as if they were two packed sixteen 8-bit signed integers.
v128_load⚠ | Experimental WebAssembly Loads a `v128` vector from the given heap address.
v128_store⚠ | Experimental WebAssembly Stores a `v128` vector to the given heap address.
v128_const | Experimental WebAssembly Materializes a constant SIMD value from the immediate operands.
v128_not | Experimental WebAssembly Flips each bit of the 128-bit input vector.
v128_and | Experimental WebAssembly Performs a bitwise and of the two input 128-bit vectors, returning the resulting vector.
v128_or | Experimental WebAssembly Performs a bitwise or of the two input 128-bit vectors, returning the resulting vector.
v128_xor | Experimental WebAssembly Performs a bitwise xor of the two input 128-bit vectors, returning the resulting vector.
v128_bitselect | Experimental WebAssembly Use the bitmask in `c` to select bits from `v1` when 1 and `v2` when 0.