X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseLib%2FX64%2FMwait.S;h=238a9bc2ab10571fe3c65b95f55c00cdb0181cb7;hp=25d07a1dadb60fc19a7272eefa24da29aac223ab;hb=1afe0401f4906dcdd5e76c9d4b46b69438be942f;hpb=7ee3b61338de1fa592227c719eca20f7813ea606

diff --git a/MdePkg/Library/BaseLib/X64/Mwait.S b/MdePkg/Library/BaseLib/X64/Mwait.S
index 25d07a1dad..238a9bc2ab 100644
--- a/MdePkg/Library/BaseLib/X64/Mwait.S
+++ b/MdePkg/Library/BaseLib/X64/Mwait.S
@@ -34,5 +34,5 @@ ASM_GLOBAL ASM_PFX(AsmMwait)
 ASM_PFX(AsmMwait):
     mov    %ecx,%eax
     mov    %edx,%ecx
-    mwait  %rax,%rcx
+    mwait  %eax,%ecx
     ret