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|
;
; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "vpx_ports/x86_abi_support.asm"
SECTION .text
;void copy_mem16x16_sse2(
; unsigned char *src,
; int src_stride,
; unsigned char *dst,
; int dst_stride
; )
globalsym(vp8_copy_mem16x16_sse2)
sym(vp8_copy_mem16x16_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 4
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;src;
movdqu xmm0, [rsi]
movsxd rax, dword ptr arg(1) ;src_stride;
mov rdi, arg(2) ;dst;
movdqu xmm1, [rsi+rax]
movdqu xmm2, [rsi+rax*2]
movsxd rcx, dword ptr arg(3) ;dst_stride
lea rsi, [rsi+rax*2]
movdqa [rdi], xmm0
add rsi, rax
movdqa [rdi+rcx], xmm1
movdqa [rdi+rcx*2],xmm2
lea rdi, [rdi+rcx*2]
movdqu xmm3, [rsi]
add rdi, rcx
movdqu xmm4, [rsi+rax]
movdqu xmm5, [rsi+rax*2]
lea rsi, [rsi+rax*2]
movdqa [rdi], xmm3
add rsi, rax
movdqa [rdi+rcx], xmm4
movdqa [rdi+rcx*2],xmm5
lea rdi, [rdi+rcx*2]
movdqu xmm0, [rsi]
add rdi, rcx
movdqu xmm1, [rsi+rax]
movdqu xmm2, [rsi+rax*2]
lea rsi, [rsi+rax*2]
movdqa [rdi], xmm0
add rsi, rax
movdqa [rdi+rcx], xmm1
movdqa [rdi+rcx*2], xmm2
movdqu xmm3, [rsi]
movdqu xmm4, [rsi+rax]
lea rdi, [rdi+rcx*2]
add rdi, rcx
movdqu xmm5, [rsi+rax*2]
lea rsi, [rsi+rax*2]
movdqa [rdi], xmm3
add rsi, rax
movdqa [rdi+rcx], xmm4
movdqa [rdi+rcx*2],xmm5
movdqu xmm0, [rsi]
lea rdi, [rdi+rcx*2]
movdqu xmm1, [rsi+rax]
add rdi, rcx
movdqu xmm2, [rsi+rax*2]
lea rsi, [rsi+rax*2]
movdqa [rdi], xmm0
movdqa [rdi+rcx], xmm1
movdqa [rdi+rcx*2],xmm2
movdqu xmm3, [rsi+rax]
lea rdi, [rdi+rcx*2]
movdqa [rdi+rcx], xmm3
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
|
