MdePkg: Fix Clang build failure

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / SetMem64.S

diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
index d642028c9d73c0c4a1bac5cd01b12784d5822c32..a4c7d8cb62f2b5c26a8ac8d43f70a3a7932ed1f3 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
@@ -36,7 +36,7 @@
 ASM_GLOBAL ASM_PFX(InternalMemSetMem64)\r
 ASM_PFX(InternalMemSetMem64):\r
     movd      %r8, %mm0                 #Value\r
-    movw      %rcx, %rax                #rax <- Buffer\r
+    movq      %rcx, %rax                #rax <- Buffer\r
     xchg      %rdx, %rcx                #rcx <- Count\r
 L0:\r
     movntq  %mm0, (%rdx) \r