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| author | Jens Reidel <adrian@travitia.xyz> | 2025-07-25 01:45:42 +0000 |
|---|---|---|
| committer | Jens Reidel <adrian@travitia.xyz> | 2025-07-26 07:01:55 +0200 |
| commit | 53018dc2bcd0f0ee65ca9c869130ec0e56da63e2 (patch) | |
| tree | 62d9f4c2a13227992479c9aff8e821a9e58f526e | |
| parent | 0dd07bd2165db70ffbe0b903635de26ca630bf20 (diff) | |
| download | rust-53018dc2bcd0f0ee65ca9c869130ec0e56da63e2.tar.gz rust-53018dc2bcd0f0ee65ca9c869130ec0e56da63e2.zip | |
Disable has_reliable_f128_math on musl targets
musl does not implement the symbols required by std for f128 maths. Disable the associated cfg for all musl targets and adjust the tests accordingly. Signed-off-by: Jens Reidel <adrian@travitia.xyz>
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 3 | ||||
| -rw-r--r-- | tests/ui/float/target-has-reliable-nightly-float.rs | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 0fb987bdf82..8edbae115bf 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -433,6 +433,9 @@ fn update_target_reliable_float_cfg(sess: &Session, cfg: &mut TargetConfig) { // This rules out anything that doesn't have `long double` = `binary128`; <= 32 bits // (ld is `f64`), anything other than Linux (Windows and MacOS use `f64`), and `x86` // (ld is 80-bit extended precision). + // + // musl does not implement the symbols required for f128 math at all. + _ if target_env == "musl" => false, ("x86_64", _) => false, (_, "linux") if target_pointer_width == 64 => true, _ => false, diff --git a/tests/ui/float/target-has-reliable-nightly-float.rs b/tests/ui/float/target-has-reliable-nightly-float.rs index ad8600fc635..399f101f49a 100644 --- a/tests/ui/float/target-has-reliable-nightly-float.rs +++ b/tests/ui/float/target-has-reliable-nightly-float.rs @@ -19,8 +19,10 @@ pub fn has_f128() {} pub fn has_f128_math() {} fn main() { - if cfg!(target_arch = "aarch64") && cfg!(target_os = "linux") { - // Aarch64+Linux is one target that has support for all features, so use it to spot + if cfg!(target_arch = "aarch64") && + cfg!(target_os = "linux") && + cfg!(not(target_env = "musl")) { + // Aarch64+GNU+Linux is one target that has support for all features, so use it to spot // check that the compiler does indeed enable these gates. assert!(cfg!(target_has_reliable_f16)); |