diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_target/src/target_features.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index 4c1b8c99426..dc70089c385 100644 --- a/compiler/rustc_target/src/target_features.rs +++ b/compiler/rustc_target/src/target_features.rs @@ -849,6 +849,7 @@ const IBMZ_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ ("miscellaneous-extensions-3", Unstable(sym::s390x_target_feature), &[]), ("miscellaneous-extensions-4", Unstable(sym::s390x_target_feature), &[]), ("nnp-assist", Unstable(sym::s390x_target_feature), &["vector"]), + ("soft-float", Forbidden { reason: "currently unsupported ABI-configuration feature" }, &[]), ("transactional-execution", Unstable(sym::s390x_target_feature), &[]), ("vector", Unstable(sym::s390x_target_feature), &[]), ("vector-enhancements-1", Unstable(sym::s390x_target_feature), &["vector"]), @@ -1177,6 +1178,13 @@ impl Target { _ => unreachable!(), } } + "s390x" => { + // We don't currently support a softfloat target on this architecture. + // As usual, we have to reject swapping the `soft-float` target feature. + // The "vector" target feature does not affect the ABI for floats + // because the vector and float registers overlap. + FeatureConstraints { required: &[], incompatible: &["soft-float"] } + } _ => NOTHING, } } |