diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S index f0688f59cf..6b3f17bff2 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S +++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S @@ -1,55 +1,55 @@ -#------------------------------------------------------------------------------ -# -# 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: -# -# CompareMem.Asm -# -# Abstract: -# -# CompareMem function -# -# Notes: -# -# The following BaseMemoryLib instances contain the same copy of this file: -# -# BaseMemoryLibRepStr -# BaseMemoryLibMmx -# BaseMemoryLibSse2 -# BaseMemoryLibOptDxe -# BaseMemoryLibOptPei -# -#------------------------------------------------------------------------------ - -.globl _InternalMemCompareMem - -#------------------------------------------------------------------------------ -# INTN -# EFIAPI -# InternalMemCompareMem ( -# IN CONST VOID *DestinationBuffer, -# IN CONST VOID *SourceBuffer, -# IN UINTN Length -# ); -#------------------------------------------------------------------------------ -_InternalMemCompareMem: - push %esi - push %edi - movl 12(%esp), %esi - movl 16(%esp), %edi - movl 20(%esp), %ecx - repe cmpsb - movzbl -1(%esi), %eax - movzbl -1(%edi), %edx - subl %edx, %eax - pop %edi - pop %esi - ret +#------------------------------------------------------------------------------
+#
+# 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:
+#
+# CompareMem.Asm
+#
+# Abstract:
+#
+# CompareMem function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemCompareMem
+
+#------------------------------------------------------------------------------
+# INTN
+# EFIAPI
+# InternalMemCompareMem (
+# IN CONST VOID *DestinationBuffer,
+# IN CONST VOID *SourceBuffer,
+# IN UINTN Length
+# );
+#------------------------------------------------------------------------------
+_InternalMemCompareMem:
+ push %esi
+ push %edi
+ movl 12(%esp), %esi
+ movl 16(%esp), %edi
+ movl 20(%esp), %ecx
+ repe cmpsb
+ movzbl -1(%esi), %eax
+ movzbl -1(%edi), %edx
+ subl %edx, %eax
+ pop %edi
+ pop %esi
+ ret
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