diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/traits/backend.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/traits/backend.rs | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs index 65fd843e7a5..e2f1458d062 100644 --- a/compiler/rustc_codegen_ssa/src/traits/backend.rs +++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs @@ -18,7 +18,7 @@ use super::write::WriteBackendMethods; use crate::back::archive::ArArchiveBuilderBuilder; use crate::back::link::link_binary; use crate::back::write::TargetMachineFactoryFn; -use crate::{CodegenResults, ModuleCodegen}; +use crate::{CodegenResults, ModuleCodegen, TargetConfig}; pub trait BackendTypes { type Value: CodegenObject; @@ -45,13 +45,19 @@ pub trait CodegenBackend { fn print(&self, _req: &PrintRequest, _out: &mut String, _sess: &Session) {} - /// Returns two feature sets: - /// - The first has the features that should be set in `cfg(target_features)`. - /// - The second is like the first, but also includes unstable features. - /// - /// RUSTC_SPECIFIC_FEATURES should be skipped here, those are handled outside codegen. - fn target_features_cfg(&self, _sess: &Session) -> (Vec<Symbol>, Vec<Symbol>) { - (vec![], vec![]) + /// Collect target-specific options that should be set in `cfg(...)`, including + /// `target_feature` and support for unstable float types. + fn target_config(&self, _sess: &Session) -> TargetConfig { + TargetConfig { + target_features: vec![], + unstable_target_features: vec![], + // `true` is used as a default so backends need to acknowledge when they do not + // support the float types, rather than accidentally quietly skipping all tests. + has_reliable_f16: true, + has_reliable_f16_math: true, + has_reliable_f128: true, + has_reliable_f128_math: true, + } } fn print_passes(&self) {} |