Use capital S for GCC assembly. This enables pre-processing for PCD support.

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

diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
new file mode 100644 (file)
index 0000000..6b4a919
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
@@ -0,0 +1,44 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, Intel Corporation
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution.  The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+#   ScanMem32.Asm
+#
+# Abstract:
+#
+#   ScanMem32 function
+#
+# Notes:
+#
+#   The following BaseMemoryLib instances share the same version of this file:
+#
+#       BaseMemoryLibRepStr
+#       BaseMemoryLibMmx
+#       BaseMemoryLibSse2
+#
+#------------------------------------------------------------------------------
+
+    .686: 
+    #.MODEL flat,C
+    .code: 
+
+.global _InternalMemScanMem32
+_InternalMemScanMem32:
+    push    %edi
+    movl    12(%esp), %ecx
+    movl    8(%esp), %edi
+    movl    16(%esp), %eax
+    repne   scasl
+    leal    -4(%edi), %eax
+    cmovnz  %ecx, %eax
+    pop     %edi
+    ret