[libc-commits] [libc] Include inline_strlen.h on aarch64 only if the target has vector instrucions (PR #170892)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: None (Sterling-Augustine)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/170892.diff


1 Files Affected:

- (modified) libc/src/string/string_length.h (+1-1) 


``````````diff
diff --git a/libc/src/string/string_length.h b/libc/src/string/string_length.h
index c828c85c16a17..1dc59d0078079 100644
--- a/libc/src/string/string_length.h
+++ b/libc/src/string/string_length.h
@@ -24,7 +24,7 @@
 #endif
 #if defined(LIBC_TARGET_ARCH_IS_X86)
 #include "src/string/memory_utils/x86_64/inline_strlen.h"
-#elif defined(LIBC_TARGET_ARCH_IS_AARCH64)
+#elif defined(LIBC_TARGET_ARCH_IS_AARCH64) && (defined(LIBC_TARGET_CPU_HAS_SVE) || defined(__ARM_NEON))
 #include "src/string/memory_utils/aarch64/inline_strlen.h"
 #endif
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/170892