1 files changed, 18 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseMemoryLibOptDxe/AArch64/CompareGuid.S b/roms/edk2/MdePkg/Library/BaseMemoryLibOptDxe/AArch64/CompareGuid.S
new file mode 100644
index 000000000..b7a566fda
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseMemoryLibOptDxe/AArch64/CompareGuid.S
@@ -0,0 +1,18 @@
+//
+// Copyright (c) 2016, Linaro Limited
+// All rights reserved.
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+
+    .text
+    .align  5
+ASM_GLOBAL ASM_PFX(InternalMemCompareGuid)
+ASM_PFX(InternalMemCompareGuid):
+    mov     x2, xzr
+    ldp     x3, x4, [x0]
+    cbz     x1, 0f
+    ldp     x1, x2, [x1]
+0:  cmp     x1, x3
+    ccmp    x2, x4, #0, eq
+    cset    w0, eq
+    ret