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Yuki Okushi 9e79642a7b
Rollup merge of #106796 - vadorovsky:revert-105708-enable-atomic-cas-bpf, r=bjorn3 
BPF: Disable atomic CAS

Enabling CAS for BPF targets (https://github.com/rust-lang/rust/pull/105708) breaks the build of core library.
The failure occurs both when building rustc for BPF targets and when
building crates for BPF targets with the current nightly.

The LLVM BPF backend does not correctly lower all `atomicrmw` operations
and crashes for unsupported ones.

Before we can enable CAS for BPF in Rust, we need to fix the LLVM BPF
backend first.

Fixes #106795

Signed-off-by: Michal Rostecki <vadorovsky@gmail.com>
2023-01-23 19:29:58 +09:00
..
src Rollup merge of #106796 - vadorovsky:revert-105708-enable-atomic-cas-bpf, r=bjorn3 2023-01-23 19:29:58 +09:00
Cargo.toml move things from rustc_target::abi to rustc_abi 2022-11-24 16:26:13 +03:30
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00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.