use div_ceil instead of manual logic

2025-07-05 08:36:27 +02:00
parent 226b0fbe11
commit ed3711ea29
12 changed files with 17 additions and 18 deletions
--- a/compiler/rustc_index/src/bit_set.rs
+++ b/compiler/rustc_index/src/bit_set.rs
@@ -1744,13 +1744,13 @@ impl<R: Idx, C: Idx> SparseBitMatrix<R, C> {

 #[inline]
 fn num_words<T: Idx>(domain_size: T) -> usize {
-    (domain_size.index() + WORD_BITS - 1) / WORD_BITS
+    domain_size.index().div_ceil(WORD_BITS)
 }

 #[inline]
 fn num_chunks<T: Idx>(domain_size: T) -> usize {
    assert!(domain_size.index() > 0);
-    (domain_size.index() + CHUNK_BITS - 1) / CHUNK_BITS
+    domain_size.index().div_ceil(CHUNK_BITS)
 }

 #[inline]