1/*! 2 * \copy 3 * Copyright (c) 2013, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33#ifdef HAVE_NEON 34#include "arm_arch_common_macro.S" 35 36 37WELS_ASM_FUNC_BEGIN WelsSetMemZero_neon 38 veor q0, q0 39 cmp r1, #32 40 beq mem_zero_32_neon_start 41 blt mem_zero_24_neon_start 42 43mem_zero_loop: 44 subs r1, r1, #64 45 vst1.64 {q0}, [r0]! 46 vst1.64 {q0}, [r0]! 47 vst1.64 {q0}, [r0]! 48 vst1.64 {q0}, [r0]! 49 bne mem_zero_loop 50 bx lr 51 52mem_zero_32_neon_start: 53 vst1.64 {q0}, [r0]! 54 vst1.64 {q0}, [r0]! 55 bx lr 56 57mem_zero_24_neon_start: 58 vst1.64 {q0}, [r0]! 59 vst1.64 {d0}, [r0]! 60WELS_ASM_FUNC_END 61 62#endif 63