hotspot/src/cpu/aarch64/vm/copy_aarch64.hpp
author goetz
Wed, 13 Jul 2016 12:23:05 +0200
changeset 40010 e32d5e545789
parent 29183 0cc8699f7372
permissions -rw-r--r--
8161258: Simplify including platform files. Summary: Include patform files with macros cpu_header() etc. Do various cleanups of macro usages. Remove _64/_32 from adlc generated files and platform .hpp files. Merge stubRoutines_x86*.hpp. Remove empty mutex_<os>* files. Reviewed-by: dholmes, coleenp, kbarrett

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 * 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
#include OS_CPU_HEADER_INLINE(copy)


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