# Function f64x2

1.54.0 (const: 1.56.0) · Source

    pub const fn f64x2(a0: f64, a1: f64) -> v128

Available on `target_family="wasm"` and target feature `simd128` and WebAssembly only.
Expand description

Materializes a SIMD value from the provided operands.

If possible this will generate a `v128.const` instruction, otherwise it may be lowered to a sequence of instructions to materialize the vector value.