MdePkg/BaseMemoryLibRepStr: Support IA32 processors without CMOVx

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibRepStr / Ia32 / ScanMem32.S

diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
index 066fde42ced824eeafb772dcf0c0128915883a21..91f04fa8004bd3c409510b3f74c90cf9a93c57ec 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
+++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
@@ -1,6 +1,6 @@
 #------------------------------------------------------------------------------\r
 #\r
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
 # This program and the accompanying materials\r
 # are licensed and made available under the terms and conditions of the BSD License\r
 # which accompanies this distribution.  The full text of the license may be found at\r
@@ -47,6 +47,8 @@ ASM_PFX(InternalMemScanMem32):
     movl    16(%esp), %eax\r
     repne   scasl\r
     leal    -4(%edi), %eax\r
-    cmovnz  %ecx, %eax\r
+    jz      L0\r
+    movl    %ecx, %eax\r
+L0:    \r
     pop     %edi\r
     ret\r