[libc-commits] [libc] [libc][stdbit] implement stdc_first_trailing_zero (C23) (PR #81526)

[Guillaume Chatelet via libc-commits]

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@@ -268,6 +268,65 @@ SPECIALIZE_FLZ(first_leading_zero, unsigned long long, __builtin_clzll)
 
 #undef SPECIALIZE_FLZ
 
+#define SPECIALIZE_FLO(NAME, TYPE, BUILTIN)                                    \
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gchatelet wrote:

I think there is no need for the specializations here because `countr_zero` and `countl_zero` themselves are already specialized.

https://github.com/llvm/llvm-project/pull/81526