xref: /aosp_15_r20/external/libopus/celt/arm/fixed_arm64.h (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
1*a58d3d2aSXin Li /* Copyright (C) 2015 Vidyo */
2*a58d3d2aSXin Li /*
3*a58d3d2aSXin Li    Redistribution and use in source and binary forms, with or without
4*a58d3d2aSXin Li    modification, are permitted provided that the following conditions
5*a58d3d2aSXin Li    are met:
6*a58d3d2aSXin Li 
7*a58d3d2aSXin Li    - Redistributions of source code must retain the above copyright
8*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer.
9*a58d3d2aSXin Li 
10*a58d3d2aSXin Li    - Redistributions in binary form must reproduce the above copyright
11*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer in the
12*a58d3d2aSXin Li    documentation and/or other materials provided with the distribution.
13*a58d3d2aSXin Li 
14*a58d3d2aSXin Li    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15*a58d3d2aSXin Li    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16*a58d3d2aSXin Li    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17*a58d3d2aSXin Li    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
18*a58d3d2aSXin Li    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19*a58d3d2aSXin Li    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20*a58d3d2aSXin Li    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21*a58d3d2aSXin Li    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22*a58d3d2aSXin Li    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23*a58d3d2aSXin Li    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24*a58d3d2aSXin Li    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*a58d3d2aSXin Li */
26*a58d3d2aSXin Li 
27*a58d3d2aSXin Li #ifndef FIXED_ARM64_H
28*a58d3d2aSXin Li #define FIXED_ARM64_H
29*a58d3d2aSXin Li 
30*a58d3d2aSXin Li #include <arm_neon.h>
31*a58d3d2aSXin Li 
32*a58d3d2aSXin Li #undef SIG2WORD16
33*a58d3d2aSXin Li #define SIG2WORD16(x) (vqmovns_s32(PSHR32((x), SIG_SHIFT)))
34*a58d3d2aSXin Li 
35*a58d3d2aSXin Li #endif
36