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rust/compiler/rustc_target
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bors ff223d35cd Auto merge of #141309 - RalfJung:x86-simd-abi, r=tgross35,nikic,workingjubilee 
x86 (32/64): go back to passing SIMD vectors by-ptr

Fixes https://github.com/rust-lang/rust/issues/139029 by partially reverting https://github.com/rust-lang/rust/pull/135408 and going back to passing SIMD vectors by-ptr on x86. Sadly, by-val confuses the LLVM inliner so much that it's not worth it...

Also fixes https://github.com/rust-lang/rust/issues/141848 by no longer actually using vector registers with the "Rust" ABI.

r? `@tgross35`
Cc `@nikic`

try-job: `test-various*`
try-job: dist-i586-gnu-i586-i686-musl
try-job: x86_64-gnu-nopt
try-job: `x86_64-msvc*`
try-job: `i686-msvc*`
2025-06-04 21:05:52 +00:00
..
src Auto merge of #141309 - RalfJung:x86-simd-abi, r=tgross35,nikic,workingjubilee 2025-06-04 21:05:52 +00:00
Cargo.toml Revert "Use workspace lints for crates in compiler/ #138084" 2025-03-10 18:12:47 +08:00
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00

README.md

rustc_target contains some very low-level details that are specific to different compilation targets and so forth.

For more information about how rustc works, see the rustc dev guide.