[deb_ffmpeg.git] / ffmpeg / libavcodec / x86 / svq1enc.asm

;******************************************************************************
;* SIMD-optimized SVQ1 encoder functions
;* Copyright (c) 2007 Loren Merritt
;*
;* 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

%macro SSD_INT8_VS_INT16 0
cglobal ssd_int8_vs_int16, 3, 3, 3, pix1, pix2, size
    pxor m0, m0
.loop
    sub       sizeq, 8
    movq      m1, [pix1q + sizeq]
    mova      m2, [pix2q + sizeq*2]
%if mmsize == 8
    movq      m3, [pix2q + sizeq*2 + mmsize]
    punpckhbw m4, m1
    punpcklbw m1, m1
    psraw     m4, 8
    psraw     m1, 8
    psubw     m3, m4
    psubw     m2, m1
    pmaddwd   m3, m3
    pmaddwd   m2, m2
    paddd     m0, m3
    paddd     m0, m2
%else
    punpcklbw m1, m1
    psraw     m1, 8
    psubw     m2, m1
    pmaddwd   m2, m2
    paddd     m0, m2
%endif
    jg .loop
    HADDD     m0, m1
    movd     eax, m0
    RET
%endmacro

INIT_MMX mmx
SSD_INT8_VS_INT16
INIT_XMM sse2
SSD_INT8_VS_INT16
Commit	Line	Data
2ba45a60 DM	1	;******************************************************************************
	2	;* SIMD-optimized SVQ1 encoder functions
	3	;* Copyright (c) 2007 Loren Merritt
	4	;*
	5	;* This file is part of FFmpeg.
	6	;*
	7	;* FFmpeg is free software; you can redistribute it and/or
	8	;* modify it under the terms of the GNU Lesser General Public
	9	;* License as published by the Free Software Foundation; either
	10	;* version 2.1 of the License, or (at your option) any later version.
	11	;*
	12	;* FFmpeg is distributed in the hope that it will be useful,
	13	;* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	;* Lesser General Public License for more details.
	16	;*
	17	;* You should have received a copy of the GNU Lesser General Public
	18	;* License along with FFmpeg; if not, write to the Free Software
	19	;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	20	;******************************************************************************
	21
	22	%include "libavutil/x86/x86util.asm"
	23
	24	SECTION_TEXT
	25
	26	%macro SSD_INT8_VS_INT16 0
	27	cglobal ssd_int8_vs_int16, 3, 3, 3, pix1, pix2, size
	28	pxor m0, m0
	29	.loop
	30	sub sizeq, 8
	31	movq m1, [pix1q + sizeq]
f6fa7814	32	mova m2, [pix2q + sizeq*2]
2ba45a60 DM	33	%if mmsize == 8
	34	movq m3, [pix2q + sizeq*2 + mmsize]
	35	punpckhbw m4, m1
	36	punpcklbw m1, m1
	37	psraw m4, 8
	38	psraw m1, 8
	39	psubw m3, m4
	40	psubw m2, m1
	41	pmaddwd m3, m3
	42	pmaddwd m2, m2
	43	paddd m0, m3
	44	paddd m0, m2
	45	%else
	46	punpcklbw m1, m1
	47	psraw m1, 8
	48	psubw m2, m1
	49	pmaddwd m2, m2
	50	paddd m0, m2
	51	%endif
	52	jg .loop
	53	HADDD m0, m1
	54	movd eax, m0
	55	RET
	56	%endmacro
	57
	58	INIT_MMX mmx
	59	SSD_INT8_VS_INT16
	60	INIT_XMM sse2
	61	SSD_INT8_VS_INT16