Only use read_unaligned in transmute_copy if necessary #71446
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r? @sfackler (rust_highfive has picked a reviewer for you, use r? to override) |
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A bit unfortunate that this optimization can't happen automatically but oh well. @bors r+ rollup |
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Only use read_unaligned in transmute_copy if necessary I've noticed that this causes LLVM to generate poor code on targets that don't support unaligned memory accesses.
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Rollup of 7 pull requests Successful merges: - rust-lang#70633 (Confusing suggestion on incorrect closing `}`) - rust-lang#71404 (Don't fuse Chain in its second iterator) - rust-lang#71408 (Check code blocks tags) - rust-lang#71442 (Add a "by reference" adaptor for `AllocRef`) - rust-lang#71446 (Only use read_unaligned in transmute_copy if necessary) - rust-lang#71470 (Fix doc links) - rust-lang#71479 (add back Scalar::null_ptr) Failed merges: r? @ghost
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I've noticed that this causes LLVM to generate poor code on targets that don't support unaligned memory accesses.