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| author | Luca Barbato <lu_zero@gentoo.org> | 2019-08-31 14:55:21 +0200 |
|---|---|---|
| committer | gnzlbg <gnzlbg@users.noreply.github.com> | 2019-09-06 15:01:26 +0200 |
| commit | 5b11935d4331f9a908f00359cc3e96e99e055be1 (patch) | |
| tree | 617990f3a786d84f40b2e5ac35dd7146c437e76c /library/stdarch/crates/std_detect/src/detect | |
| parent | 430744f46a9f1be5b6dd52c428340fb8e8b49218 (diff) | |
| download | rust-5b11935d4331f9a908f00359cc3e96e99e055be1.tar.gz rust-5b11935d4331f9a908f00359cc3e96e99e055be1.zip | |
Document how miri support works
Co-Authored-By: gnzlbg <gnzlbg@users.noreply.github.com>
Diffstat (limited to 'library/stdarch/crates/std_detect/src/detect')
| -rw-r--r-- | library/stdarch/crates/std_detect/src/detect/mod.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/library/stdarch/crates/std_detect/src/detect/mod.rs b/library/stdarch/crates/std_detect/src/detect/mod.rs index 70a50820b36..80207daad8f 100644 --- a/library/stdarch/crates/std_detect/src/detect/mod.rs +++ b/library/stdarch/crates/std_detect/src/detect/mod.rs @@ -65,6 +65,11 @@ mod cache; cfg_if! { if #[cfg(miri)] { + // When running under miri all target-features that are not enabled at + // compile-time are reported as disabled at run-time. + // + // For features for which `cfg(target_feature)` returns true, + // this run-time detection logic is never called. #[path = "os/other.rs"] mod os; } else if #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] { |