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a44a20ee4a
rust/compiler/rustc_target
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Trevor Gross a44a20ee4a Windows x86: Change i128 to return via the vector ABI 
Clang and GCC both return `i128` in xmm0 on windows-msvc and
windows-gnu. Currently, Rust returns the type on the stack. Add a
calling convention adjustment so we also return scalar `i128`s using the
vector ABI, which makes our `i128` compatible with C.

In the future, Clang may change to return `i128` on the stack for its
`-msvc` targets (more at [1]). If this happens, the change here will
need to be adjusted to only affect MinGW.

Link: https://github.com/rust-lang/rust/issues/134288
2025-01-27 12:12:59 +00:00
..
src Windows x86: Change i128 to return via the vector ABI 2025-01-27 12:12:59 +00:00
Cargo.toml Remove unused intercrate dependencies 2024-11-07 14:17:16 +00:00
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00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.