1 /*
   2  * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
   4  * Copyright (c) 2015, Linaro Ltd. All rights reserved.
   5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   6  *
   7  * This code is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 only, as
   9  * published by the Free Software Foundation.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  *
  25  */
  26 
  27 #ifndef CPU_AARCH32_VM_COPY_AARCH32_HPP
  28 #define CPU_AARCH32_VM_COPY_AARCH32_HPP
  29 
  30 // Inline functions for memory copy and fill.
  31 
  32 // Contains inline asm implementations
  33 #include OS_CPU_HEADER_INLINE(copy)
  34 
  35 
  36 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
  37 /*  julong* to = (julong*) tohw;
  38   julong  v  = ((julong) value << 32) | value;
  39   while (count-- > 0) {
  40     *to++ = v;
  41   }*/
  42   juint *to = (juint*)tohw;
  43   while(count-- > 0) {
  44     *to++ = value;
  45   }
  46 }
  47 
  48 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
  49   pd_fill_to_words(tohw, count, value);
  50 }
  51 
  52 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
  53   (void)memset(to, value, count);
  54 }
  55 
  56 static void pd_zero_to_words(HeapWord* tohw, size_t count) {
  57   pd_fill_to_words(tohw, count, 0);
  58 }
  59 
  60 static void pd_zero_to_bytes(void* to, size_t count) {
  61   (void)memset(to, 0, count);
  62 }
  63 
  64 #endif // CPU_AARCH32_VM_COPY_AARCH32_HPP