bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Rollup merge of #113534 - oli-obk:simd_shuffle_dehackify, r=workingjubilee

Browse source 
Forbid old-style `simd_shuffleN` intrinsics

Don't merge before https://github.com/rust-lang/packed_simd/pull/350 has made its way to crates.io

We used to support specifying the lane length of simd_shuffle ops by attaching the lane length to the name of the intrinsic (like `simd_shuffle16`). After this PR, you cannot do that anymore, and need to instead either rely on inference of the `idx` argument type or specify it as `simd_shuffle::<_, [u32; 16], _>`.

r? `@workingjubilee`
This commit is contained in:
Matthias Krüger 2023-08-04 07:25:45 +02:00 • committed by GitHub
commit f36a9b5e18
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
16 changed files with 384 additions and 371 deletions
Download patch file Download diff file Expand all files Collapse all files

2
compiler/rustc_mir_transform/src/lower_intrinsics.rs
View file

@ -305,7 +305,7 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics {
terminator.kind = TerminatorKind::Unreachable;
}
}
_ if intrinsic_name.as_str().starts_with("simd_shuffle") => {
sym::simd_shuffle => {
validate_simd_shuffle(tcx, args, terminator.source_info.span);
}
_ => {}