core::arch::wasm64

Function v128_load64_splat

source 
pub unsafe fn v128_load64_splat(m: *const u64) -> v128
🔬This is a nightly-only experimental API. (simd_wasm64 #90599)
Available on target_family="wasm" and target feature simd128 and WebAssembly only.
Expand description

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

While this intrinsic is provided for completeness it can also be replaced with u64x2_splat(*m) and it should generate equivalent code (and also not require unsafe).

§Unsafety

This intrinsic is unsafe because it takes a raw pointer as an argument, and the pointer must be valid to load 8 bytes from. Note that there is no alignment requirement on this pointer since this intrinsic performs a 1-aligned load.