https://www.kernel.org/doc/rustdoc/latest/core/arch/wasm/fn.v128_load32_splat.html
v128_load32_splat in core::arch::wasm - Rust
Load a single element and splat to all lanes of a v128 vector.
splatcorearchwasmrust
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/SIMD/load_store/load32_lane
load32_lane: Wasm SIMD load/store instruction - WebAssembly | MDN
The load32_lane SIMD load/store instruction loads a single value from a given memory address into the specified lane of a v128 type i32x4 value interpretation.
lanewasmsimdloadstore