rsimd

Make SIMD instruction sets easier to use
git clone git://git.meso-star.fr/rsimd.git
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vXf_begin.h (2190B)


      1 /* Copyright (C) 2014-2019, 2021, 2023, 2025 Vincent Forest (vaplv@free.fr)
      2  *
      3  * The RSIMD library is free software: you can redistribute it and/or modify
      4  * it under the terms of the GNU General Public License as published
      5  * by the Free Software Foundation, either version 3 of the License, or
      6  * (at your option) any later version.
      7  *
      8  * The RSIMD library is distributed in the hope that it will be useful,
      9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     11  * GNU General Public License for more details.
     12  *
     13  * You should have received a copy of the GNU General Public License
     14  * along with the RSIMD library. If not, see <http://www.gnu.org/licenses/>. */
     15 
     16 #include "rsimd.h"
     17 
     18 /* This file can be included once */
     19 #ifdef VXF_BEGIN_H
     20   #error "The vXf_begin.h header is already included"
     21 #endif
     22 #define VXF_BEGIN_H
     23 
     24 /* Check parameter */
     25 #if !defined(RSIMD_WIDTH__)
     26   #error "Undefined RSIMD_WIDTH__ macro"
     27 #endif
     28 #if RSIMD_WIDTH__ != 4 && RSIMD_WIDTH__ != 8
     29   #error "Unexpected RSIMD_WIDTH__ value of "STR(RSIMD_WIDTH__)
     30 #endif
     31 
     32 /* Check that internal macros are not already defined */
     33 #if defined(RSIMD_vXf__)                                                       \
     34  || defined(RSIMD_vXf_T__)                                                     \
     35  || defined(RSIMD_Sleef__)                                                     \
     36  || defined(RSIMD_Sleef_ULP__)                                                 \
     37  || defined(RSIMD_Sleef_vecf__)
     38  #error "Unexpected macro definition"
     39 #endif
     40 
     41 /* Macros generic to RSIMD_WIDTH__ */
     42 #define RSIMD_vXf__(Func) \
     43   CONCAT(CONCAT(CONCAT(CONCAT(v, RSIMD_WIDTH__), f), _), Func)
     44 #define RSIMD_vXf_T__ CONCAT(CONCAT(v, RSIMD_WIDTH__), f_T)
     45 
     46 /* Sleef macros */
     47 #define RSIMD_Sleef__(Func) CONCAT(CONCAT(Sleef_, Func), RSIMD_WIDTH__)
     48 #define RSIMD_Sleef_ULP__(Func, Suffix) \
     49    CONCAT(CONCAT(CONCAT(CONCAT(Sleef_, Func), RSIMD_WIDTH__), _), Suffix)
     50 
     51 /* Vector types of the Sleef library */
     52 #if RSIMD_WIDTH__ == 4
     53   #define RSIMD_Sleef_vecf__(Dim) CONCAT(Sleef___m128_, Dim)
     54 #elif RSIMD_WIDTH__ == 8
     55   #define RSIMD_Sleef_vecf__(Dim) CONCAT(Sleef___m256_, Dim)
     56 #endif
     57