1 ;******************************************************************************
2 ;* Copyright (c) 2008 Loren Merritt
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
19 ;******************************************************************************
21 %include "libavutil/x86/x86util.asm"
25 %macro SCALARPRODUCT 0
26 ; int ff_scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3,
28 cglobal scalarproduct_and_madd_int16, 4,4,8, v1, v2, v3, order, mul
43 movu m0, [v2q + orderq]
44 movu m1, [v2q + orderq + mmsize]
45 mova m4, [v1q + orderq]
46 mova m5, [v1q + orderq + mmsize]
47 movu m2, [v3q + orderq]
48 movu m3, [v3q + orderq + mmsize]
57 mova [v1q + orderq], m2
58 mova [v1q + orderq + mmsize], m3
78 %macro SCALARPRODUCT_LOOP 1
84 mova m4, [v2q + orderq]
85 mova m0, [v2q + orderq + mmsize]
89 mova m5, [v3q + orderq]
90 mova m2, [v3q + orderq + mmsize]
94 mova m0, [v2q + orderq]
95 mova m1, [v2q + orderq + mmsize]
96 mova m2, [v3q + orderq]
97 mova m3, [v3q + orderq + mmsize]
99 %define t0 [v1q + orderq]
100 %define t1 [v1q + orderq + mmsize]
115 mova [v1q + orderq], m2
116 mova [v1q + orderq + mmsize], m3
123 ; int ff_scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3,
124 ; int order, int mul)
126 cglobal scalarproduct_and_madd_int16, 4,5,10, v1, v2, v3, order, mul
136 mova m4, [v2q + orderq]
137 mova m5, [v3q + orderq]
138 ; linear is faster than branch tree or jump table, because the branches taken are cyclic (i.e. predictable)
153 SCALARPRODUCT_LOOP 14
154 SCALARPRODUCT_LOOP 12
155 SCALARPRODUCT_LOOP 10