[libcxx-commits] [libcxx] [libc++] Optimize bitset::to_string (PR #128832)

[Peng Liu via libcxx-commits]

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@@ -389,6 +395,22 @@ __bitset<_N_words, _Size>::to_ullong(true_type, true_type) const {
   return __r;
 }
 
+template <size_t _N_words, size_t _Size>
+template <bool _Spare, class _CharT, class _Traits, class _Allocator>
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winner245 wrote:

Thanks! I've inlined the selection of `__zero` and `__one` within the `__to_string` function (same below). So the optimization logic is now in a single place. 

https://github.com/llvm/llvm-project/pull/128832