diff options
| author | Shenglei Zhang <shenglei.zhang@intel.com> | 2019-03-07 09:10:26 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2019-04-03 13:27:44 +0800 |
| commit | 94cf7d235a484f34cc112f92e91ff7540980eb03 (patch) | |
| tree | 23ace809f5dd8a85d035dec2d2d8f90f79bfd225 /MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S | |
| parent | 42b7b15d2798ebd59bdd5192554ca636ed734122 (diff) | |
| download | edk2-94cf7d235a484f34cc112f92e91ff7540980eb03.tar.gz edk2-94cf7d235a484f34cc112f92e91ff7540980eb03.tar.bz2 edk2-94cf7d235a484f34cc112f92e91ff7540980eb03.zip | |
MdePkg/BaseMemoryLibSse2: Remove .S files for IA32 and X64 arch
.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S deleted file mode 100644 index bbe433d360..0000000000 --- a/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S +++ /dev/null @@ -1,83 +0,0 @@ -#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, 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:
-#
-# CopyMem.S
-#
-# Abstract:
-#
-# CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VOID *
-# EFIAPI
-# InternalMemCopyMem (
-# IN VOID *Destination,
-# IN VOID *Source,
-# IN UINTN Count
-# )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
- pushq %rsi
- pushq %rdi
- movq %rdx, %rsi # rsi <- Source
- movq %rcx, %rdi # rdi <- Destination
- leaq -1(%rsi, %r8,), %r9 # r9 <- Last byte of Source
- cmpq %rdi, %rsi
- movq %rdi, %rax # rax <- Destination as return value
- jae L0 # Copy forward if Source > Destination
- cmpq %rdi, %r9 # Overlapped?
- jae L_CopyBackward # Copy backward if overlapped
-L0:
- xorq %rcx, %rcx
- subq %rdi, %rcx # rcx <- -rdi
- andq $15, %rcx # rcx + rsi should be 16 bytes aligned
- jz L1 # skip if rcx == 0
- cmpq %r8, %rcx
- cmova %r8, %rcx
- subq %rcx, %r8
- rep movsb
-L1:
- movq %r8, %rcx
- andq $15, %r8
- shrq $4, %rcx # rcx <- # of DQwords to copy
- jz L_CopyBytes
- movdqa %xmm0, 0x18(%rsp) # save xmm0 on stack
-L2:
- movdqu (%rsi), %xmm0 # rsi may not be 16-byte aligned
- movntdq %xmm0, (%rdi) # rdi should be 16-byte aligned
- addq $16, %rsi
- addq $16, %rdi
- loop L2
- mfence
- movdqa 0x18(%rsp), %xmm0 # restore xmm0
- jmp L_CopyBytes # copy remaining bytes
-L_CopyBackward:
- movq %r9, %rsi # rsi <- Last byte of Source
- leaq -1(%rdi, %r8,), %rdi # rdi <- Last byte of Destination
- std
-L_CopyBytes:
- movq %r8, %rcx
- rep movsb
- cld
- popq %rdi
- popq %rsi
- ret
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