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;*****************************************************************************
;* x86-optimized functions for transpose filter
;*
;* Copyright (C) 2019 Paul B Mahol
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION .text
;------------------------------------------------------------------------------
; void ff_transpose_8x8(uint8_t *src, ptrdiff_t src_linesize,
; uint8_t *dst, ptrdiff_t dst_linesize)
;------------------------------------------------------------------------------
INIT_XMM sse2
cglobal transpose_8x8_8, 4,5,8, src, src_linesize, dst, dst_linesize, linesize3
lea linesize3q, [src_linesizeq * 3]
movq m0, [srcq + src_linesizeq * 0]
movq m1, [srcq + src_linesizeq * 1]
movq m2, [srcq + src_linesizeq * 2]
movq m3, [srcq + linesize3q]
lea srcq, [srcq + src_linesizeq * 4]
movq m4, [srcq + src_linesizeq * 0]
movq m5, [srcq + src_linesizeq * 1]
movq m6, [srcq + src_linesizeq * 2]
movq m7, [srcq + linesize3q]
TRANSPOSE_8X8B 0, 1, 2, 3, 4, 5, 6, 7
lea linesize3q, [dst_linesizeq * 3]
movq [dstq + dst_linesizeq * 0], m0
movq [dstq + dst_linesizeq * 1], m1
movq [dstq + dst_linesizeq * 2], m2
movq [dstq + linesize3q], m3
lea dstq, [dstq + dst_linesizeq * 4]
movq [dstq + dst_linesizeq * 0], m4
movq [dstq + dst_linesizeq * 1], m5
movq [dstq + dst_linesizeq * 2], m6
movq [dstq + linesize3q], m7
RET
cglobal transpose_8x8_16, 4,5,9, ARCH_X86_32 * 32, src, src_linesize, dst, dst_linesize, linesize3
lea linesize3q, [src_linesizeq * 3]
movu m0, [srcq + src_linesizeq * 0]
movu m1, [srcq + src_linesizeq * 1]
movu m2, [srcq + src_linesizeq * 2]
movu m3, [srcq + linesize3q]
lea srcq, [srcq + src_linesizeq * 4]
movu m4, [srcq + src_linesizeq * 0]
movu m5, [srcq + src_linesizeq * 1]
movu m6, [srcq + src_linesizeq * 2]
movu m7, [srcq + linesize3q]
%if ARCH_X86_64
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, 8
%else
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, [rsp], [rsp + 16]
%endif
lea linesize3q, [dst_linesizeq * 3]
movu [dstq + dst_linesizeq * 0], m0
movu [dstq + dst_linesizeq * 1], m1
movu [dstq + dst_linesizeq * 2], m2
movu [dstq + linesize3q], m3
lea dstq, [dstq + dst_linesizeq * 4]
movu [dstq + dst_linesizeq * 0], m4
movu [dstq + dst_linesizeq * 1], m5
movu [dstq + dst_linesizeq * 2], m6
movu [dstq + linesize3q], m7
RET
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