MdePkg: Clean up source files

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / CopyMem.S

diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
index c4ecdc70eb48584c261af9922f2d6d95fa8ac4a1..42a1e28df90f2a07aea7c0ef6a3776ed6140c75e 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
@@ -1,72 +1,74 @@
-#------------------------------------------------------------------------------
-#
-# 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:
-#
-#   CopyMem.asm
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VOID *
-# EFIAPI
-# InternalMemCopyMem (
-#   OUT     VOID                      *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-.global _InternalMemCopyMem;
-_InternalMemCopyMem:
-    push    %rsi
-    push    %rdi
-    mov     %rdi, %rsi
-    mov     %rcx, %rdi
-    lea     -1(%r8,%rsi,1),%r9
-    cmp     %rdi, %rsi
-    mov     %rdi, %rax
-    jae     L1
-    cmp     %rdi, %r9
-    jae     LCopyBackward               # Copy backward if overlapped
-L1: 
-    mov     %r8, %rcx
-    and     $7, %r8
-    shr     $3, %rcx
-    jz      LCopyBytes
-    movd    %mm0, %r10                  # (Save mm0 in r10)
-L2: 
-    movd    (%rsi), %mm0
-    movntq  %mm0, (%rdi)
-    add     $8, %rsi
-    add     $8, %rdi
-    loop    L2
-    mfence
-    movd    %r10, %mm0                  #(Restore mm0)
-    jmp     LCopyBytes
-LCopyBackward: 
-    mov     %r9, %rsi
-    lea     -1(%r8,%rdi,1),%rdi
-    std                                 # set direction flag
-LCopyBytes: 
-    mov     %r8, %rcx
-    rep
-    movsb                               # Copy bytes backward
-    cld
-    pop     %rdi
-    pop     %rsi
-    ret
+#\r
+# ConvertAsm.py: Automatically generated from CopyMem.asm\r
+#\r
+#------------------------------------------------------------------------------\r
+#\r
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+# 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
+#   CopyMem.S\r
+#\r
+# Abstract:\r
+#\r
+#   CopyMem function\r
+#\r
+# Notes:\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+\r
+#------------------------------------------------------------------------------\r
+#  VOID *\r
+#  EFIAPI\r
+#  InternalMemCopyMem (\r
+#    IN VOID   *Destination,\r
+#    IN VOID   *Source,\r
+#    IN UINTN  Count\r
+#    )\r
+#------------------------------------------------------------------------------\r
+ASM_GLOBAL ASM_PFX(InternalMemCopyMem)\r
+ASM_PFX(InternalMemCopyMem):\r
+    pushq   %rsi\r
+    pushq   %rdi\r
+    movq    %rdx, %rsi                  # rsi <- Source\r
+    movq    %rcx, %rdi                  # rdi <- Destination\r
+    leaq    -1(%rsi, %r8,), %r9         # r9 <- End of Source\r
+    cmpq    %rdi, %rsi\r
+    movq    %rdi, %rax                  # rax <- Destination as return value\r
+    jae     L0\r
+    cmpq    %rdi, %r9\r
+    jae     L_CopyBackward              # Copy backward if overlapped\r
+L0:\r
+    movq    %r8, %rcx\r
+    andq    $7, %r8\r
+    shrq    $3, %rcx                    # rcx <- # of Qwords to copy\r
+    jz      L_CopyBytes\r
+    movd    %mm0, %r10                  # (Save mm0 in r10)\r
+L1:\r
+    movq    (%rsi), %mm0\r
+    movntq  %mm0, (%rdi)\r
+    addq    $8, %rsi\r
+    addq    $8, %rdi\r
+    loop    L1\r
+    mfence\r
+    movd    %r10, %mm0                  # (Restore mm0)\r
+    jmp     L_CopyBytes\r
+L_CopyBackward:\r
+    movq    %r9, %rsi                   # rsi <- End of Source\r
+    leaq    -1(%rdi, %r8,), %rdi        # rdi <- End of Destination\r
+    std                                 # set direction flag\r
+L_CopyBytes:\r
+    movq    %r8, %rcx\r
+    rep     movsb                       # Copy bytes backward\r
+    cld\r
+    popq    %rdi\r
+    popq    %rsi\r
+    ret\r