xref: /aosp_15_r20/external/libjpeg-turbo/simd/arm/neon-compat.h (revision dfc6aa5c1cfd4bc4e2018dc74aa96e29ee49c6da)
1*dfc6aa5cSAndroid Build Coastguard Worker /*
2*dfc6aa5cSAndroid Build Coastguard Worker  * Copyright (C) 2020, D. R. Commander.  All Rights Reserved.
3*dfc6aa5cSAndroid Build Coastguard Worker  * Copyright (C) 2020-2021, Arm Limited.  All Rights Reserved.
4*dfc6aa5cSAndroid Build Coastguard Worker  *
5*dfc6aa5cSAndroid Build Coastguard Worker  * This software is provided 'as-is', without any express or implied
6*dfc6aa5cSAndroid Build Coastguard Worker  * warranty.  In no event will the authors be held liable for any damages
7*dfc6aa5cSAndroid Build Coastguard Worker  * arising from the use of this software.
8*dfc6aa5cSAndroid Build Coastguard Worker  *
9*dfc6aa5cSAndroid Build Coastguard Worker  * Permission is granted to anyone to use this software for any purpose,
10*dfc6aa5cSAndroid Build Coastguard Worker  * including commercial applications, and to alter it and redistribute it
11*dfc6aa5cSAndroid Build Coastguard Worker  * freely, subject to the following restrictions:
12*dfc6aa5cSAndroid Build Coastguard Worker  *
13*dfc6aa5cSAndroid Build Coastguard Worker  * 1. The origin of this software must not be misrepresented; you must not
14*dfc6aa5cSAndroid Build Coastguard Worker  *    claim that you wrote the original software. If you use this software
15*dfc6aa5cSAndroid Build Coastguard Worker  *    in a product, an acknowledgment in the product documentation would be
16*dfc6aa5cSAndroid Build Coastguard Worker  *    appreciated but is not required.
17*dfc6aa5cSAndroid Build Coastguard Worker  * 2. Altered source versions must be plainly marked as such, and must not be
18*dfc6aa5cSAndroid Build Coastguard Worker  *    misrepresented as being the original software.
19*dfc6aa5cSAndroid Build Coastguard Worker  * 3. This notice may not be removed or altered from any source distribution.
20*dfc6aa5cSAndroid Build Coastguard Worker  */
21*dfc6aa5cSAndroid Build Coastguard Worker 
22*dfc6aa5cSAndroid Build Coastguard Worker #if defined(__clang__) || defined(_MSC_VER)
23*dfc6aa5cSAndroid Build Coastguard Worker #define HAVE_VLD1_S16_X3
24*dfc6aa5cSAndroid Build Coastguard Worker #define HAVE_VLD1_U16_X2
25*dfc6aa5cSAndroid Build Coastguard Worker #define HAVE_VLD1Q_U8_X4
26*dfc6aa5cSAndroid Build Coastguard Worker #endif
27*dfc6aa5cSAndroid Build Coastguard Worker 
28*dfc6aa5cSAndroid Build Coastguard Worker /* Define compiler-independent count-leading-zeros and byte-swap macros */
29*dfc6aa5cSAndroid Build Coastguard Worker #if defined(_MSC_VER) && !defined(__clang__)
30*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_CLZ(x)  _CountLeadingZeros(x)
31*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_CLZLL(x)  _CountLeadingZeros64(x)
32*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_BSWAP64(x)  _byteswap_uint64(x)
33*dfc6aa5cSAndroid Build Coastguard Worker #elif defined(__clang__) || defined(__GNUC__)
34*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_CLZ(x)  __builtin_clz(x)
35*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_CLZLL(x)  __builtin_clzll(x)
36*dfc6aa5cSAndroid Build Coastguard Worker #define BUILTIN_BSWAP64(x)  __builtin_bswap64(x)
37*dfc6aa5cSAndroid Build Coastguard Worker #else
38*dfc6aa5cSAndroid Build Coastguard Worker #error "Unknown compiler"
39*dfc6aa5cSAndroid Build Coastguard Worker #endif
40