rust/tests/codegen/array-optimized.rs, branch 1.86.0 https://github.com/rust-lang/rust http://git.dreamy.place/mirrors/rust/atom?h=1.86.0 2025-02-11T21:41:35+00:00 tests/codegen: use -Copt-level=3 instead of -O 2025-02-11T21:41:35+00:00 Jubilee Young workingjubilee@gmail.com 2025-02-09T03:45:40+00:00 urn:sha1:3c0c9b6770f1ac0324be91580f52b6f45346e47b Remove my `scalar_copy_backend_type` optimization attempt 2024-04-09T15:51:32+00:00 Scott McMurray scottmcm@users.noreply.github.com 2024-03-29T07:00:24+00:00 urn:sha1:b5376ba6017fa04a13afda6ac52587f06a6c0bd8 I added this back in 111999, but I no longer think it's a good idea - It had to get scaled back to only power-of-two things to not break a bunch of targets - LLVM seems to be getting better at memcpy removal anyway - Introducing vector instructions has seemed to sometimes (115515) make autovectorization worse So this removes it from the codegen crates entirely, and instead just tries to use <https://doc.rust-lang.org/nightly/nightly-rustc/rustc_codegen_ssa/traits/builder/trait.BuilderMethods.html#method.typed_place_copy> instead of direct `memcpy` so things will still use load/store for immediates. [AUTO_GENERATED] Migrate compiletest to use `ui_test`-style `//@` directives 2024-02-22T16:04:04+00:00 许杰友 Jieyou Xu (Joe) jieyouxu@outlook.com 2024-02-22T12:10:29+00:00 urn:sha1:6e48b96692d63a79a14563f27fe5185f122434f8 Copy 1-element arrays as scalars, not vectors 2023-10-07T07:10:32+00:00 Scott McMurray scottmcm@users.noreply.github.com 2023-10-06T08:17:09+00:00 urn:sha1:ae9cec58394d7a38aac17e2873d213d5fcd85f7a For `[T; 1]` it's silly to copy as `<1 x T>` when we can just copy as `T`.