diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S')
| -rw-r--r-- | Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S new file mode 100644 index 0000000000..c9e6d63788 --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S @@ -0,0 +1,58 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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:
+#
+# SetMem64.S
+#
+# Abstract:
+#
+# SetMem64 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
+
+#------------------------------------------------------------------------------
+# VOID *
+# EFIAPI
+# InternalMemSetMem64 (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT64 Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalMemSetMem64):
+ movl 4(%esp), %eax
+ movl 8(%esp), %ecx
+ testb $8, %al
+ movl %eax, %edx
+ movq 0xc(%esp), %xmm0
+ jz L1
+ movq %xmm0, (%edx)
+ addl $8, %edx
+ decl %ecx
+L1:
+ shrl %ecx
+ jz L_SetQwords
+ movlhps %xmm0, %xmm0
+L2:
+ movntdq %xmm0, (%edx)
+ leal 16(%edx), %edx
+ loop L2
+ mfence
+L_SetQwords:
+ jnc L3
+ movq %xmm0, (%edx)
+L3:
+ ret
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