Document `needs-target-has-atomic` directive (#2154)

2024-12-05 13:01:46 +08:00 · 2024-12-05 13:01:46 +08:00 · e31250726c
parent b21d99b770
commit e31250726c
1 changed files with 4 additions and 0 deletions
--- a/src/tests/directives.md
+++ b/src/tests/directives.md
@ -183,6 +183,10 @@ settings:
  assertions.
 - `needs-rustc-debug-assertions` — ignores if rustc was not built with debug
  assertions.
+- `needs-target-has-atomic` — ignores if target does not have support for all
+  specified atomic widths, e.g. the test with `//@ needs-target-has-atomic: 8,
+  16, ptr` will only run if it supports the comma-separated list of atomic
+  widths.

 The following directives will check LLVM support: