mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 16:52:31 +00:00
acebff8e5d
~15% faster. Also add an mmxext version that takes advantage of the new code, and build it alongside with the mmx version only on x86_32. Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>
155 lines
3.6 KiB
NASM
155 lines
3.6 KiB
NASM
;*****************************************************************************
|
|
;* SIMD-optimized MPEG encoding functions
|
|
;*****************************************************************************
|
|
;* Copyright (c) 2000, 2001 Fabrice Bellard
|
|
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
|
|
;*
|
|
;* 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_RODATA
|
|
|
|
cextern pw_1
|
|
|
|
SECTION .text
|
|
; int ff_pix_sum16_mmx(uint8_t *pix, int line_size)
|
|
; %1 = number of loops
|
|
; %2 = number of GPRs used
|
|
%macro PIX_SUM16 3
|
|
cglobal pix_sum16, 2, %2, 6
|
|
movsxdifnidn r1, r1d
|
|
mov r2, %1
|
|
%if mmsize == 16
|
|
lea r3, [r1*3]
|
|
%endif
|
|
%if notcpuflag(xop)
|
|
pxor m5, m5
|
|
%endif
|
|
pxor m4, m4
|
|
.loop:
|
|
%if cpuflag(xop)
|
|
vphaddubq m0, [r0]
|
|
vphaddubq m1, [r0+r1]
|
|
vphaddubq m2, [r0+r1*2]
|
|
vphaddubq m3, [r0+r3]
|
|
%else
|
|
mova m0, [r0]
|
|
%if mmsize == 8
|
|
mova m1, [r0+8]
|
|
%if cpuflag(mmxext)
|
|
mova m2, [r0+r1]
|
|
mova m3, [r0+r1+8]
|
|
%endif
|
|
%else ; sse2
|
|
mova m1, [r0+r1]
|
|
mova m2, [r0+r1*2]
|
|
mova m3, [r0+r3]
|
|
%endif
|
|
%if cpuflag(mmxext)
|
|
psadbw m0, m5
|
|
psadbw m1, m5
|
|
psadbw m2, m5
|
|
psadbw m3, m5
|
|
%else ; mmx
|
|
punpckhbw m2, m0, m5
|
|
punpcklbw m0, m5
|
|
punpckhbw m3, m1, m5
|
|
punpcklbw m1, m5
|
|
%endif ; cpuflag(mmxext)
|
|
%endif ; cpuflag(xop)
|
|
paddw m1, m0
|
|
paddw m3, m2
|
|
paddw m3, m1
|
|
paddw m4, m3
|
|
%if cpuflag(mmxext)
|
|
lea r0, [r0+r1*%3]
|
|
%else
|
|
add r0, r1
|
|
%endif
|
|
dec r2
|
|
jne .loop
|
|
%if mmsize == 16
|
|
pshufd m0, m4, q0032
|
|
paddd m4, m0
|
|
%elif notcpuflag(mmxext)
|
|
HADDW m4, m5
|
|
%endif
|
|
movd eax, m4
|
|
RET
|
|
%endmacro
|
|
|
|
%if ARCH_X86_32
|
|
INIT_MMX mmx
|
|
PIX_SUM16 16, 3, 0
|
|
INIT_MMX mmxext
|
|
PIX_SUM16 8, 4, 2
|
|
%endif
|
|
INIT_XMM sse2
|
|
PIX_SUM16 4, 4, 4
|
|
%if HAVE_XOP_EXTERNAL
|
|
INIT_XMM xop
|
|
PIX_SUM16 4, 4, 4
|
|
%endif
|
|
|
|
; int ff_pix_norm1_mmx(uint8_t *pix, int line_size)
|
|
; %1 = number of xmm registers used
|
|
; %2 = number of loops
|
|
%macro PIX_NORM1 2
|
|
cglobal pix_norm1, 2, 3, %1
|
|
movsxdifnidn r1, r1d
|
|
mov r2, %2
|
|
pxor m0, m0
|
|
pxor m5, m5
|
|
.loop:
|
|
mova m2, [r0+0]
|
|
%if mmsize == 8
|
|
mova m3, [r0+8]
|
|
%else
|
|
mova m3, [r0+r1]
|
|
%endif
|
|
punpckhbw m1, m2, m0
|
|
punpcklbw m2, m0
|
|
punpckhbw m4, m3, m0
|
|
punpcklbw m3, m0
|
|
pmaddwd m1, m1
|
|
pmaddwd m2, m2
|
|
pmaddwd m3, m3
|
|
pmaddwd m4, m4
|
|
paddd m2, m1
|
|
paddd m4, m3
|
|
paddd m5, m2
|
|
paddd m5, m4
|
|
%if mmsize == 8
|
|
add r0, r1
|
|
%else
|
|
lea r0, [r0+r1*2]
|
|
%endif
|
|
dec r2
|
|
jne .loop
|
|
HADDD m5, m1
|
|
movd eax, m5
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_MMX mmx
|
|
PIX_NORM1 0, 16
|
|
INIT_XMM sse2
|
|
PIX_NORM1 6, 8
|
|
|