[libc] [llvm] [libc] Adding a version of memset with software prefetching (PR #70857)

[Guillaume Chatelet via llvm-commits]

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@@ -48,6 +48,13 @@ using generic_v256 = uint8_t __attribute__((__vector_size__(32)));
 using generic_v512 = uint8_t __attribute__((__vector_size__(64)));
 } // namespace LIBC_NAMESPACE
 
+namespace LIBC_NAMESPACE::sw_prefetch {
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gchatelet wrote:

With the two comments below we can remove this namespace.

https://github.com/llvm/llvm-project/pull/70857