| /*************************************************************************/ /*! |
| @File |
| @Title Intrinsics definitions |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @License MIT |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS |
| PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
| PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #ifndef _PVR_INTRINSICS_H_ |
| #define _PVR_INTRINSICS_H_ |
| |
| /* PVR_CTZLL: |
| * Count the number of trailing zeroes in a long long integer |
| */ |
| |
| #if defined(__GNUC__) |
| #if defined(__x86_64__) |
| |
| #define PVR_CTZLL __builtin_ctzll |
| #endif |
| #endif |
| |
| /* PVR_CLZLL: |
| * Count the number of leading zeroes in a long long integer |
| */ |
| |
| #if defined(__GNUC__) |
| #if defined(__x86_64__) || defined(__i386__) || defined(__aarch64__) || \ |
| defined(__arm__) || defined(__mips) |
| |
| #define PVR_CLZLL __builtin_clzll |
| |
| #endif |
| #endif |
| |
| #endif /* _PVR_INTRINSICS_H_ */ |