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677da1c4e5
rust/compiler/rustc_codegen_ssa
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Dylan DPC 677da1c4e5
Rollup merge of #110884 - korran:unaligned-scalar-mem, r=wesleywiser 
Support RISC-V unaligned-scalar-mem target feature

This adds `unaligned-scalar-mem` as an allowed RISC-V target feature. Some RISC-V cores support unaligned access to memory without trapping. On such cores, the compiler could significantly improve code-size and performance when using functions like core::ptr::read_unaligned<u32> by emitting a single load or store instruction with an unaligned address, rather than a long sequence of byte load/store/bitmanip instructions.

Enabling the `unaligned-scalar-mem` target feature allows LLVM to do this optimization.

Fixes #110883
2023-05-18 10:52:33 +05:30
..
src Rollup merge of #110884 - korran:unaligned-scalar-mem, r=wesleywiser 2023-05-18 10:52:33 +05:30
Cargo.toml bump windows crate 0.46 -> 0.48 in workspace 2023-05-09 18:20:13 +03:00
messages.ftl Fix static string lints 2023-04-25 18:59:55 +01:00
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.