From 3f566587aea64bb986866c7f69a6b82891bf59db Mon Sep 17 00:00:00 2001
From: bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 21 Jul 2006 08:47:38 +0000
Subject: 1. Updated function headers in all assembly files. 2. Split
 x86LowLevel.c into a bunch of C files to make images linked with BaseLib
 smaller. 3. Fixed a few minor bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Library/BaseLib/X64/ReadPmc.asm | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

(limited to 'MdePkg/Library/BaseLib/X64/ReadPmc.asm')

diff --git a/MdePkg/Library/BaseLib/X64/ReadPmc.asm b/MdePkg/Library/BaseLib/X64/ReadPmc.asm
index b5004d6f34..5ca60fa85f 100644
--- a/MdePkg/Library/BaseLib/X64/ReadPmc.asm
+++ b/MdePkg/Library/BaseLib/X64/ReadPmc.asm
@@ -32,11 +32,8 @@
 ;------------------------------------------------------------------------------
 AsmReadPmc  PROC
     rdpmc
-    shl     ecx, 1
-    jnc     @F
-    shl     rax, 20h
-    shrd    rax, rdx, 20h
-@@:
+    shl     rdx, 20h
+    or      rax, rdx
     ret
 AsmReadPmc  ENDP
 
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