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ffmpeg/libavcodec/x86/flacdsp.asm

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flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
;******************************************************************************
;* FLAC DSP SIMD optimizations
;*
;* Copyright (C) 2014 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
flac/x86: add ff_flac_lpc_32_xop() Tested on an AMD FX 6300 679081 decicycles in ff_flac_lpc_32_xop, 32768 runs 774425 decicycles in ff_flac_lpc_32_sse4, 32768 runs Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-08 05:54:51 +00:00
%macro LPC_32 1
INIT_XMM %1
flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j
sub lend, pred_orderd
jle .ret
lea decodedq, [decodedq+pred_orderq*4-8]
lea coeffsq, [coeffsq+pred_orderq*4]
neg pred_orderq
movd m4, qlevelm
ALIGN 16
.loop_sample:
movd m0, [decodedq+pred_orderq*4+8]
add decodedq, 8
movd m1, [coeffsq+pred_orderq*4]
pxor m2, m2
pxor m3, m3
lea jq, [pred_orderq+1]
test jq, jq
jz .end_order
.loop_order:
x86: Move XOP emulation to x86util We need the emulation to support the cases where the first argument is the same as the fourth. To achieve this a fifth argument working as a temporary may be needed. Emulation that doesn't obey the original instruction semantics can't be in x86inc. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-24 05:34:38 +00:00
PMACSDQL m2, m0, m1, m2, m0
flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
movd m0, [decodedq+jq*4]
x86: Move XOP emulation to x86util We need the emulation to support the cases where the first argument is the same as the fourth. To achieve this a fifth argument working as a temporary may be needed. Emulation that doesn't obey the original instruction semantics can't be in x86inc. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-24 05:34:38 +00:00
PMACSDQL m3, m1, m0, m3, m1
flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
movd m1, [coeffsq+jq*4]
inc jq
jl .loop_order
.end_order:
x86: Move XOP emulation to x86util We need the emulation to support the cases where the first argument is the same as the fourth. To achieve this a fifth argument working as a temporary may be needed. Emulation that doesn't obey the original instruction semantics can't be in x86inc. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-24 05:34:38 +00:00
PMACSDQL m2, m0, m1, m2, m0
flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
psrlq m2, m4
movd m0, [decodedq]
paddd m0, m2
movd [decodedq], m0
sub lend, 2
jl .ret
x86: Move XOP emulation to x86util We need the emulation to support the cases where the first argument is the same as the fourth. To achieve this a fifth argument working as a temporary may be needed. Emulation that doesn't obey the original instruction semantics can't be in x86inc. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-24 05:34:38 +00:00
PMACSDQL m3, m1, m0, m3, m1
flac/x86: add ff_flac_lpc_32_sse4() benchmarked on sandybridge x86_64: 1358232 decicycles in flac_lpc_32_c 1244575 decicycles in flac_lpc_32_sse4, James Almer's patch 650045 decicycles in flac_lpc_32_sse4, this patch I haven't tested the edgecases such as odd block lengths odd block length tested-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-03 23:17:04 +00:00
psrlq m3, m4
movd m1, [decodedq+4]
paddd m1, m3
movd [decodedq+4], m1
jg .loop_sample
.ret:
REP_RET
flac/x86: add ff_flac_lpc_32_xop() Tested on an AMD FX 6300 679081 decicycles in ff_flac_lpc_32_xop, 32768 runs 774425 decicycles in ff_flac_lpc_32_sse4, 32768 runs Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-08 05:54:51 +00:00
%endmacro
%if HAVE_XOP_EXTERNAL
LPC_32 xop
%endif
LPC_32 sse4