rust/compiler/rustc_span
bors d6eb0f5a09 Auto merge of #122582 - scottmcm:swap-intrinsic-v2, r=oli-obk
Let codegen decide when to `mem::swap` with immediates

Making `libcore` decide this is silly; the backend has so much better information about when it's a good idea.

Thus this PR introduces a new `typed_swap` intrinsic with a fallback body, and replaces that fallback implementation when swapping immediates or scalar pairs.

r? oli-obk

Replaces #111744, and means we'll never need more libs PRs like #111803 or #107140
2024-03-23 13:57:55 +00:00
..
src Auto merge of #122582 - scottmcm:swap-intrinsic-v2, r=oli-obk 2024-03-23 13:57:55 +00:00
Cargo.toml Optimize Symbol::integer by utilizing itoa in-place formatting 2024-03-06 19:39:36 +01:00