2 * Copyright (c) 2011 Mans Rullgard <mans@mansr.com>
4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 function ff_ac3_max_msb_abs_int16_neon, export=1
26 1: vld1.16 {q1}, [r0,:128]!
28 vld1.16 {q3}, [r0,:128]!
42 function ff_ac3_exponent_min_neon, export=1
49 vld1.8 {q0}, [r0,:128]
52 2: vld1.8 {q1}, [r3,:128], r12
57 vst1.8 {q0}, [r0,:128]!
62 function ff_ac3_lshift_int16_neon, export=1
64 1: vld1.16 {q1}, [r0,:128]
66 vst1.16 {q1}, [r0,:128]!
72 function ff_ac3_rshift_int32_neon, export=1
75 1: vld1.32 {q1}, [r0,:128]
77 vst1.32 {q1}, [r0,:128]!
83 function ff_float_to_fixed24_neon, export=1
84 1: vld1.32 {q0-q1}, [r1,:128]!
85 vcvt.s32.f32 q0, q0, #24
86 vld1.32 {q2-q3}, [r1,:128]!
87 vcvt.s32.f32 q1, q1, #24
88 vcvt.s32.f32 q2, q2, #24
89 vst1.32 {q0-q1}, [r0,:128]!
90 vcvt.s32.f32 q3, q3, #24
91 vst1.32 {q2-q3}, [r0,:128]!
97 function ff_ac3_extract_exponents_neon, export=1
100 vld1.32 {q0}, [r1,:128]!
106 vst1.32 {d6[0]}, [r0,:32]!
112 function ff_ac3_sum_square_butterfly_int32_neon, export=1
120 vadd.s32 d18, d16, d17
121 vsub.s32 d19, d16, d17
122 vmlal.s32 q0, d16, d16
123 vmlal.s32 q1, d17, d17
124 vmlal.s32 q2, d18, d18
125 vmlal.s32 q3, d19, d19
132 vst1.64 {q0-q1}, [r0]
136 function ff_ac3_sum_square_butterfly_float_neon, export=1
142 vadd.f32 d18, d16, d17
143 vsub.f32 d19, d16, d17
144 vmla.f32 d0, d16, d16
145 vmla.f32 d1, d17, d17
146 vmla.f32 d2, d18, d18
147 vmla.f32 d3, d19, d19