20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_VM_COPY_X86_HPP
  26 #define CPU_X86_VM_COPY_X86_HPP
  27 
  28 // Inline functions for memory copy and fill.
  29 
  30 // Contains inline asm implementations
  31 #ifdef TARGET_OS_ARCH_linux_x86
  32 # include "copy_linux_x86.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_ARCH_solaris_x86
  35 # include "copy_solaris_x86.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_ARCH_windows_x86
  38 # include "copy_windows_x86.inline.hpp"
  39 #endif



  40 
  41 
  42 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
  43 #ifdef AMD64
  44   julong* to = (julong*) tohw;
  45   julong  v  = ((julong) value << 32) | value;
  46   while (count-- > 0) {
  47     *to++ = v;
  48   }
  49 #else
  50   juint* to = (juint*)tohw;
  51   count *= HeapWordSize / BytesPerInt;
  52   while (count-- > 0) {
  53     *to++ = value;
  54   }
  55 #endif // AMD64
  56 }
  57 
  58 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
  59   pd_fill_to_words(tohw, count, value);

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_VM_COPY_X86_HPP
  26 #define CPU_X86_VM_COPY_X86_HPP
  27 
  28 // Inline functions for memory copy and fill.
  29 
  30 // Contains inline asm implementations
  31 #ifdef TARGET_OS_ARCH_linux_x86
  32 # include "copy_linux_x86.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_ARCH_solaris_x86
  35 # include "copy_solaris_x86.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_ARCH_windows_x86
  38 # include "copy_windows_x86.inline.hpp"
  39 #endif
  40 #ifdef TARGET_OS_ARCH_bsd_x86
  41 # include "copy_bsd_x86.inline.hpp"
  42 #endif
  43 
  44 
  45 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
  46 #ifdef AMD64
  47   julong* to = (julong*) tohw;
  48   julong  v  = ((julong) value << 32) | value;
  49   while (count-- > 0) {
  50     *to++ = v;
  51   }
  52 #else
  53   juint* to = (juint*)tohw;
  54   count *= HeapWordSize / BytesPerInt;
  55   while (count-- > 0) {
  56     *to++ = value;
  57   }
  58 #endif // AMD64
  59 }
  60 
  61 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
  62   pd_fill_to_words(tohw, count, value);