Skip to content

llvm: Update reliable_f16 configuration for LLVM22 #150908

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
rust-bors merged 1 commit into from
Jan 11, 2026
+6 −6
Merged

llvm: Update reliable_f16 configuration for LLVM22 #150908

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions compiler/rustc_codegen_llvm/src/llvm_util.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -379,19 +379,19 @@ fn update_target_reliable_float_cfg(sess: &Session, cfg: &mut TargetConfig) {
{
false
}
// Unsupported <https://github.com/llvm/llvm-project/issues/94434>
(Arch::Arm64EC, _) => false,
// Unsupported <https://github.com/llvm/llvm-project/issues/94434> (fixed in llvm22)
(Arch::Arm64EC, _) if major < 22 => false,
// Selection failure <https://github.com/llvm/llvm-project/issues/50374> (fixed in llvm21)
(Arch::S390x, _) if major < 21 => false,
// MinGW ABI bugs <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115054>
(Arch::X86_64, Os::Windows) if *target_env == Env::Gnu && *target_abi != Abi::Llvm => false,
// Infinite recursion <https://github.com/llvm/llvm-project/issues/97981>
(Arch::CSky, _) => false,
(Arch::CSky, _) if major < 22 => false, // (fixed in llvm22)
(Arch::Hexagon, _) if major < 21 => false, // (fixed in llvm21)
(Arch::LoongArch32 | Arch::LoongArch64, _) if major < 21 => false, // (fixed in llvm21)
(Arch::PowerPC | Arch::PowerPC64, _) => false,
(Arch::Sparc | Arch::Sparc64, _) => false,
(Arch::Wasm32 | Arch::Wasm64, _) => false,
(Arch::PowerPC | Arch::PowerPC64, _) if major < 22 => false, // (fixed in llvm22)
(Arch::Sparc | Arch::Sparc64, _) if major < 22 => false, // (fixed in llvm22)
(Arch::Wasm32 | Arch::Wasm64, _) if major < 22 => false, // (fixed in llvm22)
// `f16` support only requires that symbols converting to and from `f32` are available. We
// provide these in `compiler-builtins`, so `f16` should be available on all platforms that
// do not have other ABI issues or LLVM crashes.
Expand Down
Loading