fix GCC build issue, mWait instruction need not the operands.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9526 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Library/BaseLib/X64/Mwait.S b/MdePkg/Library/BaseLib/X64/Mwait.S
index 238a9bc2ab10571fe3c65b95f55c00cdb0181cb7..00565af8f8d6b13e0e4cad0047edb078dd9b4e2b 100644 (file)
--- 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):\r
     mov    %ecx,%eax\r
     mov    %edx,%ecx\r
-    mwait  %eax,%ecx\r
+    mwait\r
     ret\r