aboutsummaryrefslogtreecommitdiffstats
path: root/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
diff options
context:
space:
mode:
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S')
-rw-r--r--MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S52
1 files changed, 52 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
new file mode 100644
index 000000000000..c485543e873e
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
@@ -0,0 +1,52 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+# 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:
+#
+# ScanMem16.Asm
+#
+# Abstract:
+#
+# ScanMem16 function
+#
+# Notes:
+#
+# The following BaseMemoryLib instances contain the same copy of this file:
+#
+# BaseMemoryLibRepStr
+# BaseMemoryLibMmx
+# BaseMemoryLibSse2
+# BaseMemoryLibOptDxe
+# BaseMemoryLibOptPei
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
+
+#------------------------------------------------------------------------------
+# CONST VOID *
+# EFIAPI
+# InternalMemScanMem16 (
+# IN CONST VOID *Buffer,
+# IN UINTN Length,
+# IN UINT16 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalMemScanMem16):
+ push %edi
+ movl 12(%esp), %ecx
+ movl 8(%esp), %edi
+ movl 16(%esp), %eax
+ repne scasw
+ leal -2(%edi), %eax
+ cmovnz %ecx, %eax
+ pop %edi
+ ret