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d6eb0f5a09
rust/compiler/rustc_codegen_ssa
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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 Handle calls to upstream monomorphizations in compiler_builtins 2024-03-16 15:22:05 -04:00
messages.ftl Handle calls to upstream monomorphizations in compiler_builtins 2024-03-16 15:22:05 -04:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.