2 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 * This file is part of FFmpeg.
6 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 .macro require8, val=1
24 .eabi_attribute 24, \val
27 .macro preserve8, val=1
28 .eabi_attribute 25, \val
31 .macro function name, export=0
35 .type \name, %function
41 #if defined(HAVE_ARMV6T2) && !defined(PIC)
42 movw \rd, #:lower16:\val
43 movt \rd, #:upper16:\val
49 #define FENC_STRIDE 16
50 #define FDEC_STRIDE 32
52 .macro HORIZ_ADD dest, a, b
60 .macro SUMSUB_AB sum, diff, a, b
62 vsub.s16 \diff, \a, \b
65 .macro SUMSUB_ABCD s1, d1, s2, d2, a, b, c, d
66 SUMSUB_AB \s1, \d1, \a, \b
67 SUMSUB_AB \s2, \d2, \c, \d
75 // dist = distance in elements (0 for vertical pass, 1/2 for horizontal passes)
76 // op = sumsub/amax (sum and diff / maximum of absolutes)
77 // d1/2 = destination registers
78 // s1/2 = source registers
79 .macro HADAMARD dist, op, d1, d2, s1, s2
86 SUMSUB_AB \d1, \d2, \s1, \s2
90 vmax.s16 \d1, \s1, \s2
94 .macro TRANSPOSE8x8 r0 r1 r2 r3 r4 r5 r6 r7
109 .macro TRANSPOSE4x4 r0 r1 r2 r3
116 .macro TRANSPOSE4x4_16 d0 d1 d2 d3