src/cpu/sparc/vm/memset_with_concurrent_readers_sparc.cpp

*** 84,105 ****
  void memset_with_concurrent_readers(void* to, int value, size_t size) {
    Prefetch::write(to, 0);
    void* end = static_cast<char*>(to) + size;
    if (size >= (size_t)BytesPerWord) {
      // Fill any partial word prefix.
!     uintx* aligned_to = static_cast<uintx*>(align_ptr_up(to, BytesPerWord));
      fill_subword(to, aligned_to, value);
  
      // Compute fill word.
      STATIC_ASSERT(BitsPerByte == 8);
      STATIC_ASSERT(BitsPerWord == 64);
      uintx xvalue = value & 0xff;
      xvalue |= (xvalue << 8);
      xvalue |= (xvalue << 16);
      xvalue |= (xvalue << 32);
  
!     uintx* aligned_end = static_cast<uintx*>(align_ptr_down(end, BytesPerWord));
      assert(aligned_to <= aligned_end, "invariant");
  
      // for ( ; aligned_to < aligned_end; ++aligned_to) {
      //   *aligned_to = xvalue;
      // }
--- 84,105 ----
  void memset_with_concurrent_readers(void* to, int value, size_t size) {
    Prefetch::write(to, 0);
    void* end = static_cast<char*>(to) + size;
    if (size >= (size_t)BytesPerWord) {
      // Fill any partial word prefix.
!     uintx* aligned_to = static_cast<uintx*>(align_up(to, BytesPerWord));
      fill_subword(to, aligned_to, value);
  
      // Compute fill word.
      STATIC_ASSERT(BitsPerByte == 8);
      STATIC_ASSERT(BitsPerWord == 64);
      uintx xvalue = value & 0xff;
      xvalue |= (xvalue << 8);
      xvalue |= (xvalue << 16);
      xvalue |= (xvalue << 32);
  
!     uintx* aligned_end = static_cast<uintx*>(align_down(end, BytesPerWord));
      assert(aligned_to <= aligned_end, "invariant");
  
      // for ( ; aligned_to < aligned_end; ++aligned_to) {
      //   *aligned_to = xvalue;
      // }