[libc-commits] [llvm] [libc] [libc][NFC] Remove __support/bit.h and use __support/CPP/bit.h instead (PR #73939)
Schrodinger ZHU Yifan via libc-commits
libc-commits at lists.llvm.org
Fri Dec 1 08:15:34 PST 2023
================
@@ -152,8 +153,9 @@ class HashState {
}
}
LIBC_INLINE uint64_t finish() {
- int rot = buffer & 63;
- uint64_t folded = folded_multiply(buffer, pad);
+ const uint64_t folded = folded_multiply(buffer, pad);
+ // Only keep the bottom bits of buffer that fits in an int.
+ const int rot = buffer & cpp::numeric_limits<int>::digits;
----------------
SchrodingerZhu wrote:
Should it be?
```
const int rot = buffer % cpp::numeric_limits<uint64_t>::digits;
```
https://github.com/llvm/llvm-project/pull/73939
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