https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/SIMD/load_store/load64_zero
load64_zero: Wasm SIMD load/store instruction - WebAssembly | MDN
The load64_zero SIMD load/store instruction loads a single value from a given memory address into the first lane of a v128 type i64x2 value interpretation, and...
zerowasmsimdloadstore
https://www.kernel.org/doc/rustdoc/latest/core/arch/wasm/fn.v128_load64_zero.html
v128_load64_zero in core::arch::wasm - Rust
Load a 64-bit element into the low bits of the vector and sets all other bits to zero.
zero incorearchwasmrust