1/************************************************************************** 2 * 3 * Copyright 2020 Red Hat 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "pipe/p_config.h" 29 30static inline void * 31util_memset32(void *s, uint32_t ui, size_t n) 32{ 33#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64) 34 long d0, d1; 35 __asm__ volatile("rep\n\t" 36 "stosl" 37 : "=&c" (d0), "=&D" (d1) 38 : "a" (ui), "1" (s), "0" (n) 39 : "memory"); 40 return s; 41#else 42 uint32_t *xs = (uint32_t *)s; 43 while (n--) 44 *xs++ = ui; 45 return s; 46#endif 47} 48 49static inline void * 50util_memset64(void *s, uint64_t ui, size_t n) 51{ 52#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64) 53 long d0, d1; 54 __asm__ volatile("rep\n\t" 55 "stosq" 56 : "=&c" (d0), "=&D" (d1) 57 : "a" (ui), "1" (s), "0" (n) 58 : "memory"); 59 return s; 60#else 61 uint64_t *xs = (uint64_t *)s; 62 while (n--) 63 *xs++ = ui; 64 return s; 65#endif 66 67} 68