1 /* 2 * Loongson MMI optimizations for libjpeg-turbo 3 * 4 * Copyright (C) 2016-2017, Loongson Technology Corporation Limited, BeiJing. 5 * All Rights Reserved. 6 * Authors: ZhuChen <zhuchen (at) loongson.cn> 7 * CaiWanwei <caiwanwei (at) loongson.cn> 8 * SunZhangzhi <sunzhangzhi-cq (at) loongson.cn> 9 * 10 * This software is provided 'as-is', without any express or implied 11 * warranty. In no event will the authors be held liable for any damages 12 * arising from the use of this software. 13 * 14 * Permission is granted to anyone to use this software for any purpose, 15 * including commercial applications, and to alter it and redistribute it 16 * freely, subject to the following restrictions: 17 * 18 * 1. The origin of this software must not be misrepresented; you must not 19 * claim that you wrote the original software. If you use this software 20 * in a product, an acknowledgment in the product documentation would be 21 * appreciated but is not required. 22 * 2. Altered source versions must be plainly marked as such, and must not be 23 * misrepresented as being the original software. 24 * 3. This notice may not be removed or altered from any source distribution. 25 */ 26 27 #define JPEG_INTERNALS 28 #include "../../jinclude.h" 29 #include "../../jpeglib.h" 30 #include "../../jdct.h" 31 #include "loongson-mmintrin.h" 32 33 34 /* Common code */ 35 36 #define SIZEOF_MMWORD 8 37 #define BYTE_BIT 8 38 #define WORD_BIT 16 39 #define SCALEBITS 16 40 41 #define _uint64_set_pi8(a, b, c, d, e, f, g, h) \ 42 (((uint64_t)(uint8_t)a << 56) | \ 43 ((uint64_t)(uint8_t)b << 48) | \ 44 ((uint64_t)(uint8_t)c << 40) | \ 45 ((uint64_t)(uint8_t)d << 32) | \ 46 ((uint64_t)(uint8_t)e << 24) | \ 47 ((uint64_t)(uint8_t)f << 16) | \ 48 ((uint64_t)(uint8_t)g << 8) | \ 49 ((uint64_t)(uint8_t)h)) 50 #define _uint64_set_pi16(a, b, c, d) (((uint64_t)(uint16_t)a << 48) | \ 51 ((uint64_t)(uint16_t)b << 32) | \ 52 ((uint64_t)(uint16_t)c << 16) | \ 53 ((uint64_t)(uint16_t)d)) 54 #define _uint64_set_pi32(a, b) (((uint64_t)(uint32_t)a << 32) | \ 55 ((uint64_t)(uint32_t)b)) 56 57 #define get_const_value(index) (*(__m64 *)&const_value[index]) 58
