/* * * 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