[libc-commits] [libc] 791d88f - [libc] Align to 32B instead of 16B for optimized memcmp

[Guillaume Chatelet via libc-commits]

Author: Guillaume Chatelet
Date: 2021-08-20T13:09:35Z
New Revision: 791d88f35f93c3b728bc263ff8e9826852b828be

URL: https://github.com/llvm/llvm-project/commit/791d88f35f93c3b728bc263ff8e9826852b828be
DIFF: https://github.com/llvm/llvm-project/commit/791d88f35f93c3b728bc263ff8e9826852b828be.diff

LOG: [libc] Align to 32B instead of 16B for optimized memcmp

Added: 
    

Modified: 
    libc/src/string/memcmp.cpp

Removed: 
    


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diff  --git a/libc/src/string/memcmp.cpp b/libc/src/string/memcmp.cpp
index 2bb9552d9361..bb2b5e2f3779 100644
--- a/libc/src/string/memcmp.cpp
+++ b/libc/src/string/memcmp.cpp
@@ -39,7 +39,7 @@ static int memcmp_impl(const char *lhs, const char *rhs, size_t count) {
     return ThreeWayCompare<HeadTail<_32>>(lhs, rhs, count);
   if (count <= 128)
     return ThreeWayCompare<HeadTail<_64>>(lhs, rhs, count);
-  return ThreeWayCompare<Align<_16>::Then<Loop<_32>>>(lhs, rhs, count);
+  return ThreeWayCompare<Align<_32>::Then<Loop<_32>>>(lhs, rhs, count);
 }
 
 LLVM_LIBC_FUNCTION(int, memcmp,