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rust/compiler/rustc_target
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Matthias Krüger 00d040e50a
Rollup merge of #128643 - beetrees:ppc64-abi-fix, r=bjorn3 
Refactor `powerpc64` call ABI handling

As the [specification](https://openpowerfoundation.org/specifications/64bitelfabi/) for the ELFv2 ABI states that returned aggregates are returned like arguments as long as they are at most two doublewords, I've merged the `classify_arg` and `classify_ret` functions to reduce code duplication. The only functional change is to fix #128579: the `classify_ret` function was incorrectly handling aggregates where `bits > 64 && bits < 128`. I've used the aggregate handling implementation from `classify_arg` which doesn't have this issue.

`@awilfox` could you test this on `powerpc64-unknown-linux-musl`? I'm only able to cross-test on `powerpc64-unknown-linux-gnu` and `powerpc64le-unknown-linux-gnu` locally at the moment, and as a tier 3 target `powerpc64-unknown-linux-musl` has zero CI coverage.

Fixes: #128579
2024-08-13 12:12:21 +02:00
..
src Rollup merge of #128643 - beetrees:ppc64-abi-fix, r=bjorn3 2024-08-13 12:12:21 +02:00
Cargo.toml dedup object 2024-07-28 17:21:07 +03:00
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00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.