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| author | Trevor Gross <t.gross35@gmail.com> | 2024-07-22 11:40:19 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-22 11:40:19 -0500 |
| commit | 5e8e46cbd2f60693bd9b1f01a279faf62341a887 (patch) | |
| tree | c263e2f11190fd54b58b361ab2d516565cbd595d /compiler/rustc_codegen_gcc/example/std_example.rs | |
| parent | 81135a015fe157206dbbda278e67a2a033561ff0 (diff) | |
| parent | 01e6e60bf363e5ac056717f7bec8703a7b941c8b (diff) | |
| download | rust-5e8e46cbd2f60693bd9b1f01a279faf62341a887.tar.gz rust-5e8e46cbd2f60693bd9b1f01a279faf62341a887.zip | |
Rollup merge of #127506 - liushuyu:s390x-target-features, r=davidtwco
rustc_target: add known safe s390x target features This pull request adds known safe target features for s390x (aka IBM Z systems). Currently, these features are unstable since stabilizing the target features requires submitting proposals. The `vector` feature was added in IBM Z13 (`arch11`), and this is a SIMD feature for the newer IBM Z systems. The `backchain` attribute is the IBM Z way of adding frame pointers like unwinding capabilities (the "frame-pointer" switch on IBM Z and IBM POWER platforms will add _emulated_ frame pointers to the binary, which profilers can't use for unwinding the stack). Both attributes can be applied at the LLVM module or function levels. However, the `backchain` attribute has to be enabled for all the functions in the call stack to get a successful unwind process.
Diffstat (limited to 'compiler/rustc_codegen_gcc/example/std_example.rs')
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