src/hotspot/share/memory/arena.hpp

rev 59103 : imported patch hotspot

*** 172,196 ****
    // Allocate with 'double' alignment. It is 8 bytes on sparc.
    // In other cases Amalloc_D() should be the same as Amalloc_4().
    void* Amalloc_D(size_t x, AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM) {
      assert( (x&(sizeof(char*)-1)) == 0, "misaligned size" );
      debug_only(if (UseMallocOnly) return malloc(x);)
- #if defined(SPARC) && !defined(_LP64)
- #define DALIGN_M1 7
-     size_t delta = (((size_t)_hwm + DALIGN_M1) & ~DALIGN_M1) - (size_t)_hwm;
-     x += delta;
- #endif
      if (!check_for_overflow(x, "Arena::Amalloc_D", alloc_failmode))
        return NULL;
      if (_hwm + x > _max) {
        return grow(x, alloc_failmode); // grow() returns a result aligned >= 8 bytes.
      } else {
        char *old = _hwm;
        _hwm += x;
- #if defined(SPARC) && !defined(_LP64)
-       old += delta; // align to 8-bytes
- #endif
        return old;
      }
    }
  
    // Fast delete in area.  Common case is: NOP (except for storage reclaimed)
--- 172,188 ----