target/arm/vec_internal.h

   1 /*
   2  * ARM AdvSIMD / SVE Vector Helpers
   3  *
   4  * Copyright (c) 2020 Linaro
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef TARGET_ARM_VEC_INTERNALS_H
  21 #define TARGET_ARM_VEC_INTERNALS_H
  22
  23 static inline void clear_tail(void *vd, uintptr_t opr_sz, uintptr_t max_sz)
  24 {
  25     uint64_t *d = vd + opr_sz;
  26     uintptr_t i;
  27
  28     for (i = opr_sz; i < max_sz; i += 8) {
  29         *d++ = 0;
  30     }
  31 }
  32
  33 #endif /* TARGET_ARM_VEC_INTERNALS_H */