diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/attributes.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/attributes.rs | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 09ece6164eb..64ebe585dd8 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -152,18 +152,6 @@ fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) { } } -pub fn llvm_target_features(sess: &Session) -> impl Iterator<Item = &str> { - const RUSTC_SPECIFIC_FEATURES: &[&str] = &["crt-static"]; - - let cmdline = sess - .opts - .cg - .target_feature - .split(',') - .filter(|f| !RUSTC_SPECIFIC_FEATURES.iter().any(|s| f.contains(s))); - sess.target.features.split(',').chain(cmdline).filter(|l| !l.is_empty()) -} - pub fn apply_target_cpu_attr(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) { let target_cpu = SmallCStr::new(llvm_util::target_cpu(cx.tcx.sess)); llvm::AddFunctionAttrStringValue( @@ -301,20 +289,22 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty:: // The target doesn't care; the subtarget reads our attribute. apply_tune_cpu_attr(cx, llfn); - let features = llvm_target_features(cx.tcx.sess) - .map(|s| s.to_string()) - .chain(codegen_fn_attrs.target_features.iter().map(|f| { + let function_features = codegen_fn_attrs + .target_features + .iter() + .map(|f| { let feature = &f.as_str(); format!("+{}", llvm_util::to_llvm_feature(cx.tcx.sess, feature)) - })) + }) .chain(codegen_fn_attrs.instruction_set.iter().map(|x| match x { InstructionSetAttr::ArmA32 => "-thumb-mode".to_string(), InstructionSetAttr::ArmT32 => "+thumb-mode".to_string(), })) - .collect::<Vec<String>>() - .join(","); - - if !features.is_empty() { + .collect::<Vec<String>>(); + if !function_features.is_empty() { + let mut global_features = llvm_util::llvm_global_features(cx.tcx.sess); + global_features.extend(function_features.into_iter()); + let features = global_features.join(","); let val = CString::new(features).unwrap(); llvm::AddFunctionAttrStringValue( llfn, |
