diff --git a/libc/src/__support/common.h b/libc/src/__support/common.h
index da157a864645..b3bbb08d4ed2 100644
--- a/libc/src/__support/common.h
+++ b/libc/src/__support/common.h
@@ -37,7 +37,9 @@
 // clang-format on
 #define LLVM_LIBC_EMPTY
 
+#define GET_NOTHING(...) 0
 #define GET_SECOND(first, second, ...) second
+#define GET_FIFTH(first, second, third, fourth, fifth, ...) fifth
 #define EXPAND_THEN_SECOND(name) GET_SECOND(name, LLVM_LIBC_EMPTY)
 
 #define LLVM_LIBC_ATTR(name) EXPAND_THEN_SECOND(LLVM_LIBC_FUNCTION_ATTR_##name)
@@ -48,25 +50,33 @@
 // symbol.  Moreover, a C symbol `func` in macOS is mangled as `_func`.
 #if defined(LIBC_COPT_PUBLIC_PACKAGING) && !defined(LIBC_COMPILER_IS_MSVC)
 #ifndef __APPLE__
-#define LLVM_LIBC_FUNCTION_IMPL(type, name, arglist)                           \
+#define LLVM_LIBC_FUNCTION_IMPL_4(type, name, arglist, c_alias)                \
   LLVM_LIBC_ATTR(name)                                                         \
   LLVM_LIBC_FUNCTION_ATTR decltype(LIBC_NAMESPACE::name)                       \
-      __##name##_impl__ asm(#name);                                            \
-  decltype(LIBC_NAMESPACE::name) name [[gnu::alias(#name)]];                   \
+      __##name##_impl__ asm(c_alias);                                          \
+  decltype(LIBC_NAMESPACE::name) name [[gnu::alias(c_alias)]];                 \
   type __##name##_impl__ arglist
 #else // __APPLE__
-#define LLVM_LIBC_FUNCTION_IMPL(type, name, arglist)                           \
+#define LLVM_LIBC_FUNCTION_IMPL_4(type, name, arglist, c_alias)                \
   LLVM_LIBC_ATTR(name)                                                         \
-  LLVM_LIBC_FUNCTION_ATTR decltype(LIBC_NAMESPACE::name) name asm("_" #name);  \
+  LLVM_LIBC_FUNCTION_ATTR decltype(LIBC_NAMESPACE::name) name asm(             \
+      "_" c_alias);                                                            \
   type name arglist
 #endif // __APPLE__
+
 #else  // LIBC_COPT_PUBLIC_PACKAGING
-#define LLVM_LIBC_FUNCTION_IMPL(type, name, arglist) type name arglist
+#define LLVM_LIBC_FUNCTION_IMPL_4(type, name, arglist, c_alias)                \
+  type name arglist
 #endif // LIBC_COPT_PUBLIC_PACKAGING
 
-// This extra layer of macro allows `name` to be a macro to rename a function.
-#define LLVM_LIBC_FUNCTION(type, name, arglist)                                \
-  LLVM_LIBC_FUNCTION_IMPL(type, name, arglist)
+#define LLVM_LIBC_FUNCTION_IMPL_3(type, name, arglist)                         \
+  LLVM_LIBC_FUNCTION_IMPL_4(type, name, arglist, #name)
+
+// LLVM_LIBC_FUNCTION(type, name, arglist) is equivalent to
+// LLVM_LIBC_FUNCTION(type, name, arglist, #name)
+#define LLVM_LIBC_FUNCTION(...)                                                \
+  GET_FIFTH(__VA_ARGS__, LLVM_LIBC_FUNCTION_IMPL_4, LLVM_LIBC_FUNCTION_IMPL_3, \
+            GET_NOTHING)(__VA_ARGS__)
 
 // At the moment, [[gnu::alias()]] is not supported on MacOS, and it is needed
 // to cleanly export and alias the C++ symbol `LIBC_NAMESPACE::func` with the C
diff --git a/libc/src/mathvec/generic/CMakeLists.txt b/libc/src/mathvec/generic/CMakeLists.txt
index c2abbfbe265c..d5d94d5ed56b 100644
--- a/libc/src/mathvec/generic/CMakeLists.txt
+++ b/libc/src/mathvec/generic/CMakeLists.txt
@@ -5,6 +5,7 @@ add_entrypoint_object(
   HDRS
     ../expf.h
   DEPENDS
+    libc.src.__support.macros.properties.cpu_features
     libc.src.__support.mathvec.expf
   FLAGS
     ROUND_OPT
diff --git a/libc/src/mathvec/generic/expf.cpp b/libc/src/mathvec/generic/expf.cpp
index d86c21d40644..e269fa82e08f 100644
--- a/libc/src/mathvec/generic/expf.cpp
+++ b/libc/src/mathvec/generic/expf.cpp
@@ -7,10 +7,33 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/mathvec/expf.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/properties/cpu_features.h"
 #include "src/__support/mathvec/expf.h"
 
+#ifndef LIBC_MATHVEC_EXPF_SYM
+#if defined(LIBC_TARGET_CPU_HAS_AVX512F)
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "_ZGVeN16v_"
+#elif defined(LIBC_TARGET_CPU_HAS_AVX2)
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "_ZGVdN8v_"
+#elif defined(LIBC_TARGET_CPU_HAS_AVX)
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "_ZGVcN8v_"
+#elif defined(LIBC_TARGET_CPU_HAS_SSE2)
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "_ZGVbN4v_"
+#elif defined(LIBC_TARGET_CPU_HAS_ARM_NEON)
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "_ZGVnN4v_"
+#else
+#define LIBC_MATHVEC_EXPF_SYM_PREFIX "__"
+#endif // LIBC_TARGET_CPU_HAS_*
+
+#define LIBC_MATHVEC_EXPF_SYM LIBC_MATHVEC_EXPF_SYM_PREFIX "expf"
+#endif // LIBC_MATHVEC_EXPF_SYM
+
 namespace LIBC_NAMESPACE_DECL {
 
-cpp::simd<float> expf(cpp::simd<float> x) { return mathvec::expf(x); }
+LLVM_LIBC_FUNCTION(cpp::simd<float>, expf, (cpp::simd<float> x),
+                   LIBC_MATHVEC_EXPF_SYM) {
+  return mathvec::expf(x);
+}
 
 } // namespace LIBC_NAMESPACE_DECL