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ee551a21dd
x64 always has MMX, MMXEXT, SSE and SSE2 and this means that some functions for MMX, MMXEXT and 3dnow are always overridden by other functions (unless one e.g. explicitly disables SSE2) for x64. So given that the only systems that benefit from these functions are truely ancient 32bit x86s they are removed. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
83 lines
2.4 KiB
NASM
83 lines
2.4 KiB
NASM
;******************************************************************************
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;* SIMD-optimized clear block functions
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;* Copyright (c) 2002 Michael Niedermayer
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;* Copyright (c) 2008 Loren Merritt
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;* Copyright (c) 2009 Fiona Glaser
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;*
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;* AVX version by Jokyo Images
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION .text
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;----------------------------------------
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; void ff_clear_block(int16_t *blocks);
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;----------------------------------------
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; %1 = number of xmm registers used
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; %2 = number of inline store loops
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%macro CLEAR_BLOCK 2
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cglobal clear_block, 1, 1, %1, blocks
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ZERO m0, m0, m0
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%assign %%i 0
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%rep %2
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mova [blocksq+mmsize*(0+%%i)], m0
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mova [blocksq+mmsize*(1+%%i)], m0
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mova [blocksq+mmsize*(2+%%i)], m0
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mova [blocksq+mmsize*(3+%%i)], m0
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%assign %%i %%i+4
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%endrep
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RET
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%endmacro
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INIT_XMM sse
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%define ZERO xorps
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CLEAR_BLOCK 1, 2
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INIT_YMM avx
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CLEAR_BLOCK 1, 1
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;-----------------------------------------
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; void ff_clear_blocks(int16_t *blocks);
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;-----------------------------------------
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; %1 = number of xmm registers used
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%macro CLEAR_BLOCKS 1
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cglobal clear_blocks, 1, 2, %1, blocks, len
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add blocksq, 768
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mov lenq, -768
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ZERO m0, m0, m0
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.loop:
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mova [blocksq+lenq+mmsize*0], m0
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mova [blocksq+lenq+mmsize*1], m0
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mova [blocksq+lenq+mmsize*2], m0
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mova [blocksq+lenq+mmsize*3], m0
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mova [blocksq+lenq+mmsize*4], m0
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mova [blocksq+lenq+mmsize*5], m0
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mova [blocksq+lenq+mmsize*6], m0
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mova [blocksq+lenq+mmsize*7], m0
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add lenq, mmsize*8
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js .loop
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RET
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%endmacro
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INIT_XMM sse
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%define ZERO xorps
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CLEAR_BLOCKS 1
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INIT_YMM avx
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CLEAR_BLOCKS 1
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