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| author | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-08-26 17:42:59 -0700 |
|---|---|---|
| committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-08-26 17:42:59 -0700 |
| commit | 754f488d46fa33387c3dca3b08d3f3ec2fe02d3f (patch) | |
| tree | 0891bfc631224683cc918fe5ab976dfdba4241be /compiler/rustc_codegen_cranelift | |
| parent | 22d41ae90facbffdef9115809e8b6c1f71ebbf7c (diff) | |
| download | rust-754f488d46fa33387c3dca3b08d3f3ec2fe02d3f.tar.gz rust-754f488d46fa33387c3dca3b08d3f3ec2fe02d3f.zip | |
Use `preserve_mostcc` for `extern "rust-cold"`
As experimentation in 115242 has shown looks better than `coldcc`. And *don't* use a different convention for cold on Windows, because that actually ends up making things worse. cc tracking issue 97544
Diffstat (limited to 'compiler/rustc_codegen_cranelift')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/abi/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs index b7f56a2986c..5d775b9b532 100644 --- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs @@ -39,7 +39,7 @@ fn clif_sig_from_fn_abi<'tcx>( pub(crate) fn conv_to_call_conv(sess: &Session, c: Conv, default_call_conv: CallConv) -> CallConv { match c { Conv::Rust | Conv::C => default_call_conv, - Conv::RustCold => CallConv::Cold, + Conv::Cold | Conv::PreserveMost | Conv::PreserveAll => CallConv::Cold, Conv::X86_64SysV => CallConv::SystemV, Conv::X86_64Win64 => CallConv::WindowsFastcall, |