Hi,
Am Sonntag, 8. April 2012 um 23:16 schrieb Brian Anderson:
>
> #[abi = "rust-intrinsic"]
> native mod intrinsics {
> fn bswap_i16(i: i16) -> i16;
> }
>
> The rust intrinsics would all just be hardcoded into the compiler to
> translate to the appropriate llvm intrinsics.
>
> As an llvm intrinsic:
>
> #[abi = "llvm-intrinsic"]
> native mod intrinsics {
> #[link_name = "bswap.i16"]
> fn bswap_i16(i16: i16) -> i16;
> }
>
> In this case rustc probably doesn't need to know anything specific about
> the intrinsic - we just generate an intrinsic instruction with the given
> name and types.
is there any advantage from choosing one form over the other (maybe in terms of
optimizability) beyond what already was mentioned?
Greets,
Stefan
_______________________________________________
Rust-dev mailing list
[email protected]
https://mail.mozilla.org/listinfo/rust-dev
