Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseMemoryLibSse2 / Ia32 / SetMem64.S

diff --git a/OldMdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S b/OldMdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
new file mode 100644 (file)
index 0000000..ef9918f
--- /dev/null
+++ b/OldMdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
@@ -0,0 +1,58 @@
+#------------------------------------------------------------------------------\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
+#   SetMem64.S\r
+#\r
+# Abstract:\r
+#\r
+#   SetMem64 function\r
+#\r
+# Notes:\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+.globl _InternalMemSetMem64\r
+\r
+#------------------------------------------------------------------------------\r
+#  VOID *\r
+#  EFIAPI\r
+#  InternalMemSetMem64 (\r
+#    IN VOID   *Buffer,\r
+#    IN UINTN  Count,\r
+#    IN UINT64 Value\r
+#    );\r
+#------------------------------------------------------------------------------\r
+_InternalMemSetMem64:\r
+    movl    4(%esp), %eax\r
+    movl    8(%esp), %ecx\r
+    testb   $8, %al\r
+    movl    %eax, %edx\r
+    movq    0xc(%esp), %xmm0\r
+    jz      L1\r
+    movq    %xmm0, (%edx)\r
+    addl    $8, %edx\r
+    decl    %ecx\r
+L1:\r
+    shrl    %ecx\r
+    jz      L_SetQwords\r
+    movlhps %xmm0, %xmm0\r
+L2:\r
+    movntdq %xmm0, (%edx)\r
+    leal    16(%edx), %edx\r
+    loop    L2\r
+    mfence\r
+L_SetQwords:\r
+    jnc     L3\r
+    movq    %xmm0, (%edx)\r
+L3:\r
+    ret\r