From ee93eff6b7a04193e7afa3c5aa4fe71558634b21 Mon Sep 17 00:00:00 2001 From: Siarhei Siamashka Date: Mon, 14 Mar 2011 15:37:42 -0300 Subject: sbc: add iwmmxt optimization for sbc for pxa series cpu Benchmarked on ARM PXA platform: === Before (4 bands) ==== $ time ./sbcenc_orig -s 4 long.au > /dev/null real 0m 2.44s user 0m 2.39s sys 0m 0.05s === After (4 bands) ==== $ time ./sbcenc -s 4 long.au > /dev/null real 0m 1.59s user 0m 1.49s sys 0m 0.10s === Before (8 bands) ==== $ time ./sbcenc_orig -s 8 long.au > /dev/null real 0m 4.05s user 0m 3.98s sys 0m 0.07s === After (8 bands) ==== $ time ./sbcenc -s 8 long.au > /dev/null real 0m 1.48s user 0m 1.41s sys 0m 0.06s === Before (a2dp usage) ==== $ time ./sbcenc_orig -b53 -s8 -j long.au > /dev/null real 0m 4.51s user 0m 4.41s sys 0m 0.10s === After (a2dp usage) ==== $ time ./sbcenc -b53 -s8 -j long.au > /dev/null real 0m 2.05s user 0m 1.99s sys 0m 0.06s --- src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c | 304 ++++++++++++++++++++++ 1 file changed, 304 insertions(+) create mode 100644 src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c (limited to 'src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c') diff --git a/src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c b/src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c new file mode 100644 index 00000000..213967ef --- /dev/null +++ b/src/modules/bluetooth/sbc/sbc_primitives_iwmmxt.c @@ -0,0 +1,304 @@ +/* + * + * Bluetooth low-complexity, subband codec (SBC) library + * + * Copyright (C) 2010 Keith Mok + * Copyright (C) 2008-2010 Nokia Corporation + * Copyright (C) 2004-2010 Marcel Holtmann + * Copyright (C) 2004-2005 Henryk Ploetz + * Copyright (C) 2005-2006 Brad Midgley + * + * + * This library 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. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include +#include +#include "sbc.h" +#include "sbc_math.h" +#include "sbc_tables.h" + +#include "sbc_primitives_iwmmxt.h" + +/* + * IWMMXT optimizations + */ + +#ifdef SBC_BUILD_WITH_IWMMXT_SUPPORT + +static inline void sbc_analyze_four_iwmmxt(const int16_t *in, int32_t *out, + const FIXED_T *consts) +{ + asm volatile ( + "wldrd wr0, [%0]\n" + "tbcstw wr4, %2\n" + "wldrd wr2, [%1]\n" + "wldrd wr1, [%0, #8]\n" + "wldrd wr3, [%1, #8]\n" + "wmadds wr0, wr2, wr0\n" + " wldrd wr6, [%0, #16]\n" + "wmadds wr1, wr3, wr1\n" + " wldrd wr7, [%0, #24]\n" + "waddwss wr0, wr0, wr4\n" + " wldrd wr8, [%1, #16]\n" + "waddwss wr1, wr1, wr4\n" + " wldrd wr9, [%1, #24]\n" + " wmadds wr6, wr8, wr6\n" + " wldrd wr2, [%0, #32]\n" + " wmadds wr7, wr9, wr7\n" + " wldrd wr3, [%0, #40]\n" + " waddwss wr0, wr6, wr0\n" + " wldrd wr4, [%1, #32]\n" + " waddwss wr1, wr7, wr1\n" + " wldrd wr5, [%1, #40]\n" + " wmadds wr2, wr4, wr2\n" + "wldrd wr6, [%0, #48]\n" + " wmadds wr3, wr5, wr3\n" + "wldrd wr7, [%0, #56]\n" + " waddwss wr0, wr2, wr0\n" + "wldrd wr8, [%1, #48]\n" + " waddwss wr1, wr3, wr1\n" + "wldrd wr9, [%1, #56]\n" + "wmadds wr6, wr8, wr6\n" + " wldrd wr2, [%0, #64]\n" + "wmadds wr7, wr9, wr7\n" + " wldrd wr3, [%0, #72]\n" + "waddwss wr0, wr6, wr0\n" + " wldrd wr4, [%1, #64]\n" + "waddwss wr1, wr7, wr1\n" + " wldrd wr5, [%1, #72]\n" + " wmadds wr2, wr4, wr2\n" + "tmcr wcgr0, %4\n" + " wmadds wr3, wr5, wr3\n" + " waddwss wr0, wr2, wr0\n" + " waddwss wr1, wr3, wr1\n" + "\n" + "wsrawg wr0, wr0, wcgr0\n" + " wldrd wr4, [%1, #80]\n" + "wsrawg wr1, wr1, wcgr0\n" + " wldrd wr5, [%1, #88]\n" + "wpackwss wr0, wr0, wr0\n" + " wldrd wr6, [%1, #96]\n" + "wpackwss wr1, wr1, wr1\n" + "wmadds wr2, wr5, wr0\n" + " wldrd wr7, [%1, #104]\n" + "wmadds wr0, wr4, wr0\n" + "\n" + " wmadds wr3, wr7, wr1\n" + " wmadds wr1, wr6, wr1\n" + " waddwss wr2, wr3, wr2\n" + " waddwss wr0, wr1, wr0\n" + "\n" + "wstrd wr0, [%3]\n" + "wstrd wr2, [%3, #8]\n" + : + : "r" (in), "r" (consts), + "r" (1 << (SBC_PROTO_FIXED4_SCALE - 1)), "r" (out), + "r" (SBC_PROTO_FIXED4_SCALE) + : "wr0", "wr1", "wr2", "wr3", "wr4", "wr5", "wr6", "wr7", + "wr8", "wr9", "wcgr0", "memory"); +} + +static inline void sbc_analyze_eight_iwmmxt(const int16_t *in, int32_t *out, + const FIXED_T *consts) +{ + asm volatile ( + "wldrd wr0, [%0]\n" + "tbcstw wr15, %2\n" + "wldrd wr1, [%0, #8]\n" + "wldrd wr2, [%0, #16]\n" + "wldrd wr3, [%0, #24]\n" + "wldrd wr4, [%1]\n" + "wldrd wr5, [%1, #8]\n" + "wldrd wr6, [%1, #16]\n" + "wldrd wr7, [%1, #24]\n" + "wmadds wr0, wr0, wr4\n" + " wldrd wr8, [%1, #32]\n" + "wmadds wr1, wr1, wr5\n" + " wldrd wr9, [%1, #40]\n" + "wmadds wr2, wr2, wr6\n" + " wldrd wr10, [%1, #48]\n" + "wmadds wr3, wr3, wr7\n" + " wldrd wr11, [%1, #56]\n" + "waddwss wr0, wr0, wr15\n" + " wldrd wr4, [%0, #32]\n" + "waddwss wr1, wr1, wr15\n" + " wldrd wr5, [%0, #40]\n" + "waddwss wr2, wr2, wr15\n" + " wldrd wr6, [%0, #48]\n" + "waddwss wr3, wr3, wr15\n" + " wldrd wr7, [%0, #56]\n" + " wmadds wr4, wr4, wr8\n" + " wldrd wr12, [%0, #64]\n" + " wmadds wr5, wr5, wr9\n" + " wldrd wr13, [%0, #72]\n" + " wmadds wr6, wr6, wr10\n" + " wldrd wr14, [%0, #80]\n" + " wmadds wr7, wr7, wr11\n" + " wldrd wr15, [%0, #88]\n" + " waddwss wr0, wr4, wr0\n" + " wldrd wr8, [%1, #64]\n" + " waddwss wr1, wr5, wr1\n" + " wldrd wr9, [%1, #72]\n" + " waddwss wr2, wr6, wr2\n" + " wldrd wr10, [%1, #80]\n" + " waddwss wr3, wr7, wr3\n" + " wldrd wr11, [%1, #88]\n" + " wmadds wr12, wr12, wr8\n" + "wldrd wr4, [%0, #96]\n" + " wmadds wr13, wr13, wr9\n" + "wldrd wr5, [%0, #104]\n" + " wmadds wr14, wr14, wr10\n" + "wldrd wr6, [%0, #112]\n" + " wmadds wr15, wr15, wr11\n" + "wldrd wr7, [%0, #120]\n" + " waddwss wr0, wr12, wr0\n" + "wldrd wr8, [%1, #96]\n" + " waddwss wr1, wr13, wr1\n" + "wldrd wr9, [%1, #104]\n" + " waddwss wr2, wr14, wr2\n" + "wldrd wr10, [%1, #112]\n" + " waddwss wr3, wr15, wr3\n" + "wldrd wr11, [%1, #120]\n" + "wmadds wr4, wr4, wr8\n" + " wldrd wr12, [%0, #128]\n" + "wmadds wr5, wr5, wr9\n" + " wldrd wr13, [%0, #136]\n" + "wmadds wr6, wr6, wr10\n" + " wldrd wr14, [%0, #144]\n" + "wmadds wr7, wr7, wr11\n" + " wldrd wr15, [%0, #152]\n" + "waddwss wr0, wr4, wr0\n" + " wldrd wr8, [%1, #128]\n" + "waddwss wr1, wr5, wr1\n" + " wldrd wr9, [%1, #136]\n" + "waddwss wr2, wr6, wr2\n" + " wldrd wr10, [%1, #144]\n" + " waddwss wr3, wr7, wr3\n" + " wldrd wr11, [%1, #152]\n" + " wmadds wr12, wr12, wr8\n" + "tmcr wcgr0, %4\n" + " wmadds wr13, wr13, wr9\n" + " wmadds wr14, wr14, wr10\n" + " wmadds wr15, wr15, wr11\n" + " waddwss wr0, wr12, wr0\n" + " waddwss wr1, wr13, wr1\n" + " waddwss wr2, wr14, wr2\n" + " waddwss wr3, wr15, wr3\n" + "\n" + "wsrawg wr0, wr0, wcgr0\n" + "wsrawg wr1, wr1, wcgr0\n" + "wsrawg wr2, wr2, wcgr0\n" + "wsrawg wr3, wr3, wcgr0\n" + "\n" + "wpackwss wr0, wr0, wr0\n" + "wpackwss wr1, wr1, wr1\n" + " wldrd wr4, [%1, #160]\n" + "wpackwss wr2, wr2, wr2\n" + " wldrd wr5, [%1, #168]\n" + "wpackwss wr3, wr3, wr3\n" + " wldrd wr6, [%1, #192]\n" + " wmadds wr4, wr4, wr0\n" + " wldrd wr7, [%1, #200]\n" + " wmadds wr5, wr5, wr0\n" + " wldrd wr8, [%1, #224]\n" + " wmadds wr6, wr6, wr1\n" + " wldrd wr9, [%1, #232]\n" + " wmadds wr7, wr7, wr1\n" + " waddwss wr4, wr6, wr4\n" + " waddwss wr5, wr7, wr5\n" + " wmadds wr8, wr8, wr2\n" + "wldrd wr6, [%1, #256]\n" + " wmadds wr9, wr9, wr2\n" + "wldrd wr7, [%1, #264]\n" + "waddwss wr4, wr8, wr4\n" + " waddwss wr5, wr9, wr5\n" + "wmadds wr6, wr6, wr3\n" + "wmadds wr7, wr7, wr3\n" + "waddwss wr4, wr6, wr4\n" + "waddwss wr5, wr7, wr5\n" + "\n" + "wstrd wr4, [%3]\n" + "wstrd wr5, [%3, #8]\n" + "\n" + "wldrd wr6, [%1, #176]\n" + "wldrd wr5, [%1, #184]\n" + "wmadds wr5, wr5, wr0\n" + "wldrd wr8, [%1, #208]\n" + "wmadds wr0, wr6, wr0\n" + "wldrd wr9, [%1, #216]\n" + "wmadds wr9, wr9, wr1\n" + "wldrd wr6, [%1, #240]\n" + "wmadds wr1, wr8, wr1\n" + "wldrd wr7, [%1, #248]\n" + "waddwss wr0, wr1, wr0\n" + "waddwss wr5, wr9, wr5\n" + "wmadds wr7, wr7, wr2\n" + "wldrd wr8, [%1, #272]\n" + "wmadds wr2, wr6, wr2\n" + "wldrd wr9, [%1, #280]\n" + "waddwss wr0, wr2, wr0\n" + "waddwss wr5, wr7, wr5\n" + "wmadds wr9, wr9, wr3\n" + "wmadds wr3, wr8, wr3\n" + "waddwss wr0, wr3, wr0\n" + "waddwss wr5, wr9, wr5\n" + "\n" + "wstrd wr0, [%3, #16]\n" + "wstrd wr5, [%3, #24]\n" + : + : "r" (in), "r" (consts), + "r" (1 << (SBC_PROTO_FIXED8_SCALE - 1)), "r" (out), + "r" (SBC_PROTO_FIXED8_SCALE) + : "wr0", "wr1", "wr2", "wr3", "wr4", "wr5", "wr6", "wr7", + "wr8", "wr9", "wr10", "wr11", "wr12", "wr13", "wr14", "wr15", + "wcgr0", "memory"); +} + +static inline void sbc_analyze_4b_4s_iwmmxt(int16_t *x, int32_t *out, + int out_stride) +{ + /* Analyze blocks */ + sbc_analyze_four_iwmmxt(x + 12, out, analysis_consts_fixed4_simd_odd); + out += out_stride; + sbc_analyze_four_iwmmxt(x + 8, out, analysis_consts_fixed4_simd_even); + out += out_stride; + sbc_analyze_four_iwmmxt(x + 4, out, analysis_consts_fixed4_simd_odd); + out += out_stride; + sbc_analyze_four_iwmmxt(x + 0, out, analysis_consts_fixed4_simd_even); +} + +static inline void sbc_analyze_4b_8s_iwmmxt(int16_t *x, int32_t *out, + int out_stride) +{ + /* Analyze blocks */ + sbc_analyze_eight_iwmmxt(x + 24, out, analysis_consts_fixed8_simd_odd); + out += out_stride; + sbc_analyze_eight_iwmmxt(x + 16, out, analysis_consts_fixed8_simd_even); + out += out_stride; + sbc_analyze_eight_iwmmxt(x + 8, out, analysis_consts_fixed8_simd_odd); + out += out_stride; + sbc_analyze_eight_iwmmxt(x + 0, out, analysis_consts_fixed8_simd_even); +} + +void sbc_init_primitives_iwmmxt(struct sbc_encoder_state *state) +{ + state->sbc_analyze_4b_4s = sbc_analyze_4b_4s_iwmmxt; + state->sbc_analyze_4b_8s = sbc_analyze_4b_8s_iwmmxt; + state->implementation_info = "IWMMXT"; +} + +#endif -- cgit