hotspot/src/cpu/aarch64/vm/copy_aarch64.hpp
author shade
Thu, 04 Feb 2016 21:44:23 +0300
changeset 35708 290a3952e434
parent 29183 0cc8699f7372
child 40010 e32d5e545789
permissions -rw-r--r--
8149044: jdk/internal/misc/JavaLangAccess/FormatUnsigned.java fails all platforms Summary: Remove the obsolete FormatUnsigned test. Reviewed-by: darcy

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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#ifndef CPU_AARCH64_VM_COPY_AARCH64_HPP
#define CPU_AARCH64_VM_COPY_AARCH64_HPP

// Inline functions for memory copy and fill.

// Contains inline asm implementations
#ifdef TARGET_OS_ARCH_linux_aarch64
# include "copy_linux_aarch64.inline.hpp"
#endif


static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
  julong* to = (julong*) tohw;
  julong  v  = ((julong) value << 32) | value;
  while (count-- > 0) {
    *to++ = v;
  }
}

static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
  pd_fill_to_words(tohw, count, value);
}

static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
  (void)memset(to, value, count);
}

static void pd_zero_to_words(HeapWord* tohw, size_t count) {
  pd_fill_to_words(tohw, count, 0);
}

static void pd_zero_to_bytes(void* to, size_t count) {
  (void)memset(to, 0, count);
}

#endif // CPU_AARCH64_VM_COPY_AARCH64_HPP