[libc-commits] [libc] [libc] change PREFER_GENERIC to EXPLICIT_SIMD_OPT (PR #79486)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -134,7 +134,7 @@ set(FMA_OPT_FLAG "FMA_OPT")
 set(ROUND_OPT_FLAG "ROUND_OPT")
 # This flag will define macros that gated away vectorization code such that
 # one can always test the fallback generic code path.
-set(PREFER_GENERIC_FLAG "PREFER_GENERIC")
+set(EXPLICIT_SIMD_OPT_FLAG "EXPLICIT_SIMD_OPT")
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SchrodingerZhu wrote:

Sounds good. 

https://github.com/llvm/llvm-project/pull/79486