1. Port X64, IPF and EBC arch for BaseLib

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / Ia32 / SetMem.S

diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
index aa6f59fb4f8a230958bd3bf14d9a2d9469a1478d..86bba889f284c8ce4370f340c8e5d454e9323fa9 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
@@ -1,81 +1,76 @@
-//\r
-// Include common header file for this module.\r
-//\r
-#include "CommonHeader.h"\r
-\r
-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2006, Intel Corporation\r
-# All rights reserved. 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
-# http://opensource.org/licenses/bsd-license.php\r
-#\r
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-#\r
-# Module Name:\r
-#\r
-#   SetMem.asm\r
-#\r
-# Abstract:\r
-#\r
-#   SetMem function\r
-#\r
-# Notes:\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-    .686:\r
-    #.MODEL flat,C\r
-    .xmm:\r
-    .code:\r
-\r
-#------------------------------------------------------------------------------\r
-#  VOID *\r
-#  _mem_SetMem (\r
-#    IN VOID   *Buffer,\r
-#    IN UINTN  Count,\r
-#    IN UINT8  Value\r
-#    );\r
-#------------------------------------------------------------------------------\r
-.globl _InternalMemSetMem\r
-_InternalMemSetMem:\r
-    push    %edi\r
-    movl    12(%esp), %edx              # edx <- Count\r
-    movl    8(%esp), %edi               # edi <- Buffer\r
-    movb    16(%esp), %al               # al <- Value\r
-    xorl    %ecx, %ecx\r
-    subl    %edi, %ecx\r
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary\r
-    jz      L0\r
-    cmpl    %edx, %ecx\r
-    cmova   %edx, %ecx\r
-    subl    %ecx, %edx\r
-    rep\r
-    stosb\r
-L0:\r
-    movl    %edx, %ecx\r
-    andl    $15, %edx\r
-    shrl    $4, %ecx                    # ecx <- # of DQwords to set\r
-    jz      L_SetBytes\r
-    movb    %al, %ah                    # ax <- Value | (Value << 8)\r
-    addl    $-16, %esp\r
-    movdqu  %xmm0, (%esp)\r
-    movd    %eax, %xmm0\r
-    pshuflw $0, %xmm0, %xmm0\r
-    movlhps %xmm0, %xmm0\r
-L1:\r
-    movntdq %xmm0, (%edi)\r
-    addl    $16, %edi\r
-    loop   L1\r
-    mfence\r
-    movdqu  (%esp), %xmm0\r
-    addl    $16, %esp                   # stack cleanup\r
-L_SetBytes:\r
-    movl    %edx, %ecx\r
-    rep\r
-    stosb\r
-    movl    8(%esp), %eax               # eax <- Buffer as return value\r
-    pop     %edi\r
-    ret\r
+#------------------------------------------------------------------------------
+#
+# 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:
+#
+#   SetMem.asm
+#
+# Abstract:
+#
+#   SetMem function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+    .686:
+    #.MODEL flat,C
+    .xmm:
+    .code:
+
+#------------------------------------------------------------------------------
+#  VOID *
+#  _mem_SetMem (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT8  Value
+#    );
+#------------------------------------------------------------------------------
+.globl _InternalMemSetMem
+_InternalMemSetMem:
+    push    %edi
+    movl    12(%esp), %edx              # edx <- Count
+    movl    8(%esp), %edi               # edi <- Buffer
+    movb    16(%esp), %al               # al <- Value
+    xorl    %ecx, %ecx
+    subl    %edi, %ecx
+    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
+    jz      L0
+    cmpl    %edx, %ecx
+    cmova   %edx, %ecx
+    subl    %ecx, %edx
+    rep
+    stosb
+L0:
+    movl    %edx, %ecx
+    andl    $15, %edx
+    shrl    $4, %ecx                    # ecx <- # of DQwords to set
+    jz      L_SetBytes
+    movb    %al, %ah                    # ax <- Value | (Value << 8)
+    addl    $-16, %esp
+    movdqu  %xmm0, (%esp)
+    movd    %eax, %xmm0
+    pshuflw $0, %xmm0, %xmm0
+    movlhps %xmm0, %xmm0
+L1:
+    movntdq %xmm0, (%edi)
+    addl    $16, %edi
+    loop   L1
+    mfence
+    movdqu  (%esp), %xmm0
+    addl    $16, %esp                   # stack cleanup
+L_SetBytes:
+    movl    %edx, %ecx
+    rep
+    stosb
+    movl    8(%esp), %eax               # eax <- Buffer as return value
+    pop     %edi
+    ret