#\r
#------------------------------------------------------------------------------\r
#\r
-# Copyright (c) 2006, Intel Corporation\r
-# All rights reserved. This program and the accompanying materials\r
+# Copyright (c) 2006 - 2009, 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
+# 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
# IN UINTN Count\r
# )\r
#------------------------------------------------------------------------------\r
-.intel_syntax noprefix\r
-.globl ASM_PFX(InternalMemCopyMem)\r
+ASM_GLOBAL ASM_PFX(InternalMemCopyMem)\r
ASM_PFX(InternalMemCopyMem):\r
- push rsi\r
- push rdi\r
- mov rsi, rdx # rsi <- Source\r
- mov rdi, rcx # rdi <- Destination\r
- lea r9, [rsi + r8 - 1] # r9 <- End of Source\r
- cmp rsi, rdi\r
- mov rax, rdi # rax <- Destination as return value\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
- cmp r9, rdi\r
+ cmpq %rdi, %r9\r
jae L_CopyBackward # Copy backward if overlapped\r
L0:\r
- mov rcx, r8\r
- and r8, 7\r
- shr rcx, 3 # rcx <- # of Qwords to copy\r
+ movq %r8, %rcx \r
+ andq $7, %r8\r
+ shrq $3, %rcx # rcx <- # of Qwords to copy\r
jz L_CopyBytes\r
- movd r10, mm0 # (Save mm0 in r10)\r
+ movd %mm0, %r10 # (Save mm0 in r10)\r
L1:\r
- movq mm0, [rsi]\r
- movntq [rdi], mm0\r
- add rsi, 8\r
- add rdi, 8\r
+ movq (%rsi), %mm0\r
+ movntq %mm0, (%rdi)\r
+ addq $8, %rsi \r
+ addq $8, %rdi\r
loop L1\r
mfence\r
- movd mm0, r10 # (Restore mm0)\r
+ movd %r10, %mm0 # (Restore mm0)\r
jmp L_CopyBytes\r
L_CopyBackward:\r
- mov rsi, r9 # rsi <- End of Source\r
- lea rdi, [rdi + r8 - 1] # rdi <- End of Destination\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
- mov rcx, r8\r
+ movq %r8, %rcx \r
rep movsb # Copy bytes backward\r
cld\r
- pop rdi\r
- pop rsi\r
+ popq %rdi\r
+ popq %rsi\r
ret\r