diff options
Diffstat (limited to 'src/modules/bluetooth/sbc_primitives_neon.c')
-rw-r--r-- | src/modules/bluetooth/sbc_primitives_neon.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/modules/bluetooth/sbc_primitives_neon.c b/src/modules/bluetooth/sbc_primitives_neon.c deleted file mode 100644 index f1bc7b48..00000000 --- a/src/modules/bluetooth/sbc_primitives_neon.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * - * Bluetooth low-complexity, subband codec (SBC) library - * - * Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org> - * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> - * Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com> - * - * - * 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 <stdint.h> -#include <limits.h> -#include "sbc.h" -#include "sbc_math.h" -#include "sbc_tables.h" - -#include "sbc_primitives_neon.h" - -/* - * ARM NEON optimizations - */ - -#ifdef SBC_BUILD_WITH_NEON_SUPPORT - -static inline void _sbc_analyze_four_neon(const int16_t *in, int32_t *out, - const FIXED_T *consts) -{ - /* TODO: merge even and odd cases (or even merge all four calls to this - * function) in order to have only aligned reads from 'in' array - * and reduce number of load instructions */ - asm volatile ( - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmull.s16 q0, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmull.s16 q1, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - - "vmlal.s16 q0, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmlal.s16 q1, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q0, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmlal.s16 q1, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - - "vmlal.s16 q0, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmlal.s16 q1, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q0, d4, d8\n" - "vmlal.s16 q1, d5, d9\n" - - "vpadd.s32 d0, d0, d1\n" - "vpadd.s32 d1, d2, d3\n" - - "vrshrn.s32 d0, q0, %3\n" - - "vld1.16 {d2, d3, d4, d5}, [%1, :128]!\n" - - "vdup.i32 d1, d0[1]\n" /* TODO: can be eliminated */ - "vdup.i32 d0, d0[0]\n" /* TODO: can be eliminated */ - - "vmull.s16 q3, d2, d0\n" - "vmull.s16 q4, d3, d0\n" - "vmlal.s16 q3, d4, d1\n" - "vmlal.s16 q4, d5, d1\n" - - "vpadd.s32 d0, d6, d7\n" /* TODO: can be eliminated */ - "vpadd.s32 d1, d8, d9\n" /* TODO: can be eliminated */ - - "vst1.32 {d0, d1}, [%2, :128]\n" - : "+r" (in), "+r" (consts) - : "r" (out), - "i" (SBC_PROTO_FIXED4_SCALE) - : "memory", - "d0", "d1", "d2", "d3", "d4", "d5", - "d6", "d7", "d8", "d9", "d10", "d11"); -} - -static inline void _sbc_analyze_eight_neon(const int16_t *in, int32_t *out, - const FIXED_T *consts) -{ - /* TODO: merge even and odd cases (or even merge all four calls to this - * function) in order to have only aligned reads from 'in' array - * and reduce number of load instructions */ - asm volatile ( - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmull.s16 q6, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmull.s16 q7, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - "vmull.s16 q8, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmull.s16 q9, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q6, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmlal.s16 q7, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - "vmlal.s16 q8, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmlal.s16 q9, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q6, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmlal.s16 q7, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - "vmlal.s16 q8, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmlal.s16 q9, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q6, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmlal.s16 q7, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - "vmlal.s16 q8, d6, d10\n" - "vld1.16 {d4, d5}, [%0, :64]!\n" - "vmlal.s16 q9, d7, d11\n" - "vld1.16 {d8, d9}, [%1, :128]!\n" - - "vmlal.s16 q6, d4, d8\n" - "vld1.16 {d6, d7}, [%0, :64]!\n" - "vmlal.s16 q7, d5, d9\n" - "vld1.16 {d10, d11}, [%1, :128]!\n" - - "vmlal.s16 q8, d6, d10\n" - "vmlal.s16 q9, d7, d11\n" - - "vpadd.s32 d0, d12, d13\n" - "vpadd.s32 d1, d14, d15\n" - "vpadd.s32 d2, d16, d17\n" - "vpadd.s32 d3, d18, d19\n" - - "vrshr.s32 q0, q0, %3\n" - "vrshr.s32 q1, q1, %3\n" - "vmovn.s32 d0, q0\n" - "vmovn.s32 d1, q1\n" - - "vdup.i32 d3, d1[1]\n" /* TODO: can be eliminated */ - "vdup.i32 d2, d1[0]\n" /* TODO: can be eliminated */ - "vdup.i32 d1, d0[1]\n" /* TODO: can be eliminated */ - "vdup.i32 d0, d0[0]\n" /* TODO: can be eliminated */ - - "vld1.16 {d4, d5}, [%1, :128]!\n" - "vmull.s16 q6, d4, d0\n" - "vld1.16 {d6, d7}, [%1, :128]!\n" - "vmull.s16 q7, d5, d0\n" - "vmull.s16 q8, d6, d0\n" - "vmull.s16 q9, d7, d0\n" - - "vld1.16 {d4, d5}, [%1, :128]!\n" - "vmlal.s16 q6, d4, d1\n" - "vld1.16 {d6, d7}, [%1, :128]!\n" - "vmlal.s16 q7, d5, d1\n" - "vmlal.s16 q8, d6, d1\n" - "vmlal.s16 q9, d7, d1\n" - - "vld1.16 {d4, d5}, [%1, :128]!\n" - "vmlal.s16 q6, d4, d2\n" - "vld1.16 {d6, d7}, [%1, :128]!\n" - "vmlal.s16 q7, d5, d2\n" - "vmlal.s16 q8, d6, d2\n" - "vmlal.s16 q9, d7, d2\n" - - "vld1.16 {d4, d5}, [%1, :128]!\n" - "vmlal.s16 q6, d4, d3\n" - "vld1.16 {d6, d7}, [%1, :128]!\n" - "vmlal.s16 q7, d5, d3\n" - "vmlal.s16 q8, d6, d3\n" - "vmlal.s16 q9, d7, d3\n" - - "vpadd.s32 d0, d12, d13\n" /* TODO: can be eliminated */ - "vpadd.s32 d1, d14, d15\n" /* TODO: can be eliminated */ - "vpadd.s32 d2, d16, d17\n" /* TODO: can be eliminated */ - "vpadd.s32 d3, d18, d19\n" /* TODO: can be eliminated */ - - "vst1.32 {d0, d1, d2, d3}, [%2, :128]\n" - : "+r" (in), "+r" (consts) - : "r" (out), - "i" (SBC_PROTO_FIXED8_SCALE) - : "memory", - "d0", "d1", "d2", "d3", "d4", "d5", - "d6", "d7", "d8", "d9", "d10", "d11", - "d12", "d13", "d14", "d15", "d16", "d17", - "d18", "d19"); -} - -static inline void sbc_analyze_4b_4s_neon(int16_t *x, - int32_t *out, int out_stride) -{ - /* Analyze blocks */ - _sbc_analyze_four_neon(x + 12, out, analysis_consts_fixed4_simd_odd); - out += out_stride; - _sbc_analyze_four_neon(x + 8, out, analysis_consts_fixed4_simd_even); - out += out_stride; - _sbc_analyze_four_neon(x + 4, out, analysis_consts_fixed4_simd_odd); - out += out_stride; - _sbc_analyze_four_neon(x + 0, out, analysis_consts_fixed4_simd_even); -} - -static inline void sbc_analyze_4b_8s_neon(int16_t *x, - int32_t *out, int out_stride) -{ - /* Analyze blocks */ - _sbc_analyze_eight_neon(x + 24, out, analysis_consts_fixed8_simd_odd); - out += out_stride; - _sbc_analyze_eight_neon(x + 16, out, analysis_consts_fixed8_simd_even); - out += out_stride; - _sbc_analyze_eight_neon(x + 8, out, analysis_consts_fixed8_simd_odd); - out += out_stride; - _sbc_analyze_eight_neon(x + 0, out, analysis_consts_fixed8_simd_even); -} - -void sbc_init_primitives_neon(struct sbc_encoder_state *state) -{ - state->sbc_analyze_4b_4s = sbc_analyze_4b_4s_neon; - state->sbc_analyze_4b_8s = sbc_analyze_4b_8s_neon; - state->implementation_info = "NEON"; -} - -#endif |