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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"
- ;void copy_mem8x8_mmx(
- ; unsigned char *src,
- ; int src_stride,
- ; unsigned char *dst,
- ; int dst_stride
- ; )
- global sym(vp8_copy_mem8x8_mmx) PRIVATE
- sym(vp8_copy_mem8x8_mmx):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 4
- push rsi
- push rdi
- ; end prolog
- mov rsi, arg(0) ;src;
- movq mm0, [rsi]
- movsxd rax, dword ptr arg(1) ;src_stride;
- mov rdi, arg(2) ;dst;
- movq mm1, [rsi+rax]
- movq mm2, [rsi+rax*2]
- movsxd rcx, dword ptr arg(3) ;dst_stride
- lea rsi, [rsi+rax*2]
- movq [rdi], mm0
- add rsi, rax
- movq [rdi+rcx], mm1
- movq [rdi+rcx*2], mm2
- lea rdi, [rdi+rcx*2]
- movq mm3, [rsi]
- add rdi, rcx
- movq mm4, [rsi+rax]
- movq mm5, [rsi+rax*2]
- movq [rdi], mm3
- lea rsi, [rsi+rax*2]
- movq [rdi+rcx], mm4
- movq [rdi+rcx*2], mm5
- lea rdi, [rdi+rcx*2]
- movq mm0, [rsi+rax]
- movq mm1, [rsi+rax*2]
- movq [rdi+rcx], mm0
- movq [rdi+rcx*2],mm1
- ; begin epilog
- pop rdi
- pop rsi
- UNSHADOW_ARGS
- pop rbp
- ret
- ;void copy_mem8x4_mmx(
- ; unsigned char *src,
- ; int src_stride,
- ; unsigned char *dst,
- ; int dst_stride
- ; )
- global sym(vp8_copy_mem8x4_mmx) PRIVATE
- sym(vp8_copy_mem8x4_mmx):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 4
- push rsi
- push rdi
- ; end prolog
- mov rsi, arg(0) ;src;
- movq mm0, [rsi]
- movsxd rax, dword ptr arg(1) ;src_stride;
- mov rdi, arg(2) ;dst;
- movq mm1, [rsi+rax]
- movq mm2, [rsi+rax*2]
- movsxd rcx, dword ptr arg(3) ;dst_stride
- lea rsi, [rsi+rax*2]
- movq [rdi], mm0
- movq [rdi+rcx], mm1
- movq [rdi+rcx*2], mm2
- lea rdi, [rdi+rcx*2]
- movq mm3, [rsi+rax]
- movq [rdi+rcx], mm3
- ; begin epilog
- pop rdi
- pop rsi
- UNSHADOW_ARGS
- pop rbp
- ret
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