8350e7fe38
This probably has a mildly negative impact on performance, but will (in future commits - or possibly merged with this one) allow SIMD implementations of individual intra prediction functions. We may perhaps want to consider having separate functions per txfm-size also (i.e. 4x4, 8x8, 16x16 and 32x32 intra prediction functions for each intra prediction mode), but I haven't played much with that yet. Change-Id: Ie739985eee0a3fcbb7aed29ee6910fdb653ea269
116 lines
3.0 KiB
NASM
116 lines
3.0 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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;void copy_mem16x16_sse2(
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; unsigned char *src,
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; int src_stride,
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; unsigned char *dst,
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; int dst_stride
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; )
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global sym(vp9_copy_mem16x16_sse2) PRIVATE
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sym(vp9_copy_mem16x16_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 4
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;src;
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movdqu xmm0, [rsi]
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movsxd rax, dword ptr arg(1) ;src_stride;
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mov rdi, arg(2) ;dst;
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movdqu xmm1, [rsi+rax]
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movdqu xmm2, [rsi+rax*2]
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movsxd rcx, dword ptr arg(3) ;dst_stride
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lea rsi, [rsi+rax*2]
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movdqa [rdi], xmm0
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add rsi, rax
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movdqa [rdi+rcx], xmm1
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movdqa [rdi+rcx*2],xmm2
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lea rdi, [rdi+rcx*2]
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movdqu xmm3, [rsi]
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add rdi, rcx
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movdqu xmm4, [rsi+rax]
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movdqu xmm5, [rsi+rax*2]
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lea rsi, [rsi+rax*2]
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movdqa [rdi], xmm3
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add rsi, rax
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movdqa [rdi+rcx], xmm4
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movdqa [rdi+rcx*2],xmm5
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lea rdi, [rdi+rcx*2]
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movdqu xmm0, [rsi]
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add rdi, rcx
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movdqu xmm1, [rsi+rax]
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movdqu xmm2, [rsi+rax*2]
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lea rsi, [rsi+rax*2]
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movdqa [rdi], xmm0
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add rsi, rax
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movdqa [rdi+rcx], xmm1
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movdqa [rdi+rcx*2], xmm2
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movdqu xmm3, [rsi]
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movdqu xmm4, [rsi+rax]
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lea rdi, [rdi+rcx*2]
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add rdi, rcx
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movdqu xmm5, [rsi+rax*2]
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lea rsi, [rsi+rax*2]
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movdqa [rdi], xmm3
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add rsi, rax
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movdqa [rdi+rcx], xmm4
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movdqa [rdi+rcx*2],xmm5
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movdqu xmm0, [rsi]
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lea rdi, [rdi+rcx*2]
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movdqu xmm1, [rsi+rax]
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add rdi, rcx
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movdqu xmm2, [rsi+rax*2]
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lea rsi, [rsi+rax*2]
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movdqa [rdi], xmm0
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movdqa [rdi+rcx], xmm1
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movdqa [rdi+rcx*2],xmm2
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movdqu xmm3, [rsi+rax]
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lea rdi, [rdi+rcx*2]
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movdqa [rdi+rcx], xmm3
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; begin epilog
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pop rdi
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pop rsi
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UNSHADOW_ARGS
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pop rbp
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ret
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