diff options
| author | bors <bors@rust-lang.org> | 2025-03-11 12:05:16 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2025-03-11 12:05:16 +0000 |
| commit | ebf0cf75d368c035f4c7e7246d203bd469ee4a51 (patch) | |
| tree | 1c26d90ad88273c67bd0f169b122ebd9a4b88e84 /compiler/rustc_interface/src | |
| parent | 705421b52239d7393b4738764b192179d5c139c2 (diff) | |
| parent | cee311454427bf5049f5493bb7c7d74df2abb369 (diff) | |
| download | rust-ebf0cf75d368c035f4c7e7246d203bd469ee4a51.tar.gz rust-ebf0cf75d368c035f4c7e7246d203bd469ee4a51.zip | |
Auto merge of #137586 - nnethercote:SetImpliedBits, r=bjorn3
Speed up target feature computation The LLVM backend calls `LLVMRustHasFeature` twice for every feature. In short-running rustc invocations, this accounts for a surprising amount of work. r? `@bjorn3`
Diffstat (limited to 'compiler/rustc_interface/src')
| -rw-r--r-- | compiler/rustc_interface/src/util.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index bc2aae7cd87..5cccab893bb 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -39,11 +39,11 @@ pub(crate) fn add_configuration( ) { let tf = sym::target_feature; - let unstable_target_features = codegen_backend.target_features_cfg(sess, true); - sess.unstable_target_features.extend(unstable_target_features.iter().cloned()); + let (target_features, unstable_target_features) = codegen_backend.target_features_cfg(sess); - let target_features = codegen_backend.target_features_cfg(sess, false); - sess.target_features.extend(target_features.iter().cloned()); + sess.unstable_target_features.extend(unstable_target_features.iter().copied()); + + sess.target_features.extend(target_features.iter().copied()); cfg.extend(target_features.into_iter().map(|feat| (tf, Some(feat)))); |