[compiler-rt] [AArch64][compiler-rt] Add memcpy, memset, memmove, memchr simple imp… (PR #77496)

[Sander de Smalen via llvm-commits]

================
@@ -0,0 +1,183 @@
+// REQUIRES: linux, aarch64-target-arch
+// RUN: %clang_builtins %s %librt -o %t && %run %t
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define N 1024
+#define NREPS 1234
----------------
sdesmalen-arm wrote:

It looks like this test is testing more than just functionality (i.e. it seems to be testing performance). This can be seen from e.g. NREPS and `get_time_diff`. I think you'll want to make this purely a functional test and try to test out specific edge cases for each of the routines.

https://github.com/llvm/llvm-project/pull/77496