2011-04-28 Paolo Carlini <paolo.carlini@oracle.com>

	Revert unintended changes to include/parallel files.

From-SVN: r173066

7 files changed, 29 insertions, 66 deletions

diff --git a/libstdc++-v3/include/parallel/losertree.h b/libstdc++-v3/include/parallel/losertree.h
index 306fcd8856f..8d7b137aaf5 100644
--- a/libstdc++-v3/include/parallel/losertree.h
+++ b/libstdc++-v3/include/parallel/losertree.h
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the terms
@@ -116,11 +116,7 @@ namespace __gnu_parallel
        * @brief The destructor.
        */
       ~_LoserTreeBase()
-      {
-	for (unsigned int __i = 0; __i < (2 * _M_k); ++__i)
-	  _M_losers[__i].~_Loser();
-	::operator delete(_M_losers);
-      }
+      { ::operator delete(_M_losers); }
 
       /**
        * @brief Initializes the sequence "_M_source" with the element "__key".
@@ -135,15 +131,15 @@ namespace __gnu_parallel
       {
 	unsigned int __pos = _M_k + __source;
 
-	if (_M_first_insert)
+	if(_M_first_insert)
 	  {
-	    // Construct all keys, so we can easily destruct them.
+	    // Construct all keys, so we can easily deconstruct them.
 	    for (unsigned int __i = 0; __i < (2 * _M_k); ++__i)
 	      new(&(_M_losers[__i]._M_key)) _Tp(__key);
 	    _M_first_insert = false;
 	  }
 	else
-	  _M_losers[__pos]._M_key = __key;
+	  new(&(_M_losers[__pos]._M_key)) _Tp(__key);
 
 	_M_losers[__pos]._M_sup = __sup;
 	_M_losers[__pos]._M_source = __source;
@@ -383,7 +379,7 @@ namespace __gnu_parallel
       }
 
       ~_LoserTreePointerBase()
-      { delete[] _M_losers; }
+      { ::operator delete[](_M_losers); }
 
       int __get_min_source()
       { return _M_losers[0]._M_source; }
@@ -596,17 +592,13 @@ namespace __gnu_parallel
 
 	for (unsigned int __i = _M_k + _M_ik - 1; __i < (2 * _M_k); ++__i)
 	  {
-	    ::new(&(_M_losers[__i]._M_key)) _Tp(__sentinel);
+	    _M_losers[__i]._M_key = __sentinel;
 	    _M_losers[__i]._M_source = -1;
 	  }
       }
 
       ~_LoserTreeUnguardedBase()
-      {
-	for (unsigned int __i = 0; __i < (2 * _M_k); ++__i)
-	  _M_losers[__i].~_Loser();
-	::operator delete(_M_losers);
-      }
+      { ::operator delete(_M_losers); }
 
       int
       __get_min_source()
@@ -623,7 +615,7 @@ namespace __gnu_parallel
       {
 	unsigned int __pos = _M_k + __source;
 
-	::new(&(_M_losers[__pos]._M_key)) _Tp(__key);
+	new(&(_M_losers[__pos]._M_key)) _Tp(__key);
 	_M_losers[__pos]._M_source = __source;
       }
     };
diff --git a/libstdc++-v3/include/parallel/multiway_merge.h b/libstdc++-v3/include/parallel/multiway_merge.h
index 1c73ad0042d..a5fd3be1bd0 100644
--- a/libstdc++-v3/include/parallel/multiway_merge.h
+++ b/libstdc++-v3/include/parallel/multiway_merge.h
@@ -1045,12 +1045,11 @@ namespace __gnu_parallel
 	_ValueType;
 
       // __k sequences.
-      const _SeqNumber __k
-	= static_cast<_SeqNumber>(__seqs_end - __seqs_begin);
+      _SeqNumber __k = static_cast<_SeqNumber>(__seqs_end - __seqs_begin);
 
-      const _ThreadIndex __num_threads = omp_get_num_threads();
+      _ThreadIndex __num_threads = omp_get_num_threads();
 
-      const _DifferenceType __num_samples =
+      _DifferenceType __num_samples =
 	__gnu_parallel::_Settings::get().merge_oversampling * __num_threads;
 
       _ValueType* __samples = static_cast<_ValueType*>
@@ -1097,10 +1096,6 @@ namespace __gnu_parallel
 	      __pieces[__slab][__seq].second =
 		_GLIBCXX_PARALLEL_LENGTH(__seqs_begin[__seq]);
 	  }
-
-      for (_SeqNumber __s = 0; __s < __k; ++__s)
-	for (_DifferenceType __i = 0; __i < __num_samples; ++__i)
-	  __samples[__s * __num_samples + __i].~_ValueType();
       ::operator delete(__samples);
     }
 
@@ -1263,10 +1258,10 @@ namespace __gnu_parallel
 	__length = std::min<_DifferenceTp>(__length, __total_length);
 
 	if (__total_length == 0 || __k == 0)
-	  {
-	    delete[] __ne_seqs;
-	    return __target;
-	  }
+	{
+          delete[] __ne_seqs;
+          return __target;
+	}
 
 	std::vector<std::pair<_DifferenceType, _DifferenceType> >* __pieces;
 
diff --git a/libstdc++-v3/include/parallel/multiway_mergesort.h b/libstdc++-v3/include/parallel/multiway_mergesort.h
index 80267f923b5..2cb80138766 100644
--- a/libstdc++-v3/include/parallel/multiway_mergesort.h
+++ b/libstdc++-v3/include/parallel/multiway_mergesort.h
@@ -378,8 +378,6 @@ namespace __gnu_parallel
 
 #     pragma omp barrier
 
-      for (_DifferenceType __i = 0; __i < __length_local; ++__i)
-	__sd->_M_temporary[__iam][__i].~_ValueType();
       ::operator delete(__sd->_M_temporary[__iam]);
     }
 
@@ -415,7 +413,6 @@ namespace __gnu_parallel
       // shared variables
       _PMWMSSortingData<_RAIter> __sd;
       _DifferenceType* __starts;
-      _DifferenceType __size;
 
 #     pragma omp parallel num_threads(__num_threads)
       {
@@ -430,7 +427,7 @@ namespace __gnu_parallel
 
 	  if (!__exact)
 	    {
-	      __size =
+	      _DifferenceType __size =
 		(_Settings::get().sort_mwms_oversampling * __num_threads - 1)
 		* __num_threads;
 	      __sd._M_samples = static_cast<_ValueType*>
@@ -466,11 +463,7 @@ namespace __gnu_parallel
       delete[] __sd._M_temporary;
 
       if (!__exact)
-	{
-	  for (_DifferenceType __i = 0; __i < __size; ++__i)
-	    __sd._M_samples[__i].~_ValueType();
-	  ::operator delete(__sd._M_samples);
-	}
+	::operator delete(__sd._M_samples);
 
       delete[] __sd._M_offsets;
       delete[] __sd._M_pieces;
diff --git a/libstdc++-v3/include/parallel/par_loop.h b/libstdc++-v3/include/parallel/par_loop.h
index d9116908567..9671c1dd398 100644
--- a/libstdc++-v3/include/parallel/par_loop.h
+++ b/libstdc++-v3/include/parallel/par_loop.h
@@ -91,7 +91,8 @@ namespace __gnu_parallel
 	_ThreadIndex __iam = omp_get_thread_num();
 
 	// Neutral element.
-	_Result* __reduct;
+	_Result* __reduct = static_cast<_Result*>
+	  (::operator new(sizeof(_Result)));
 
 	_DifferenceType
 	  __start = __equally_split_point(__length, __num_threads, __iam),
@@ -99,7 +100,7 @@ namespace __gnu_parallel
 
 	if (__start < __stop)
 	  {
-	    __reduct = new _Result(__f(__o, __begin + __start));
+	    new(__reduct) _Result(__f(__o, __begin + __start));
 	    ++__start;
 	    __constructed[__iam] = true;
 	  }
@@ -109,26 +110,18 @@ namespace __gnu_parallel
 	for (; __start < __stop; ++__start)
 	  *__reduct = __r(*__reduct, __f(__o, __begin + __start));
 
-	if (__constructed[__iam])
-	  {
-	    ::new(&__thread_results[__iam]) _Result(*__reduct);
-	    delete __reduct;
-	  }
+	__thread_results[__iam] = *__reduct;
       } //parallel
 
       for (_ThreadIndex __i = 0; __i < __num_threads; ++__i)
 	if (__constructed[__i])
-	  {
-	    __output = __r(__output, __thread_results[__i]);
-	    __thread_results[__i].~_Result();
-	  }
+	  __output = __r(__output, __thread_results[__i]);
 
       // Points to last element processed (needed as return value for
       // some algorithms like transform).
       __f._M_finish_iterator = __begin + __length;
 
-      ::operator delete(__thread_results);
-
+      delete[] __thread_results;
       delete[] __constructed;
 
       return __o;
diff --git a/libstdc++-v3/include/parallel/partial_sum.h b/libstdc++-v3/include/parallel/partial_sum.h
index 1a7697a6cef..425e868fe6b 100644
--- a/libstdc++-v3/include/parallel/partial_sum.h
+++ b/libstdc++-v3/include/parallel/partial_sum.h
@@ -184,10 +184,7 @@ namespace __gnu_parallel
 					__bin_op, __sums[__iam]);
       } //parallel
 
-      for (_ThreadIndex __i = 0; __i < __num_threads; ++__i)
-	__sums[__i].~_ValueType();
       ::operator delete(__sums);
-
       delete[] __borders;
 
       return __result + __n;
diff --git a/libstdc++-v3/include/parallel/quicksort.h b/libstdc++-v3/include/parallel/quicksort.h
index 1b4d5983d06..1884eb867fa 100644
--- a/libstdc++-v3/include/parallel/quicksort.h
+++ b/libstdc++-v3/include/parallel/quicksort.h
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the terms
@@ -82,8 +82,6 @@ namespace __gnu_parallel
       _DifferenceType __split = __parallel_partition(__begin, __end,
 						     __pred, __num_threads);
 
-      for (_DifferenceType __s = 0; __s < __num_samples; ++__s)
-	__samples[__s].~_ValueType();
       ::operator delete(__samples);
 
       return __split;
diff --git a/libstdc++-v3/include/parallel/random_shuffle.h b/libstdc++-v3/include/parallel/random_shuffle.h
index c3967c22880..bae95724966 100644
--- a/libstdc++-v3/include/parallel/random_shuffle.h
+++ b/libstdc++-v3/include/parallel/random_shuffle.h
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the terms
@@ -209,7 +209,7 @@ namespace __gnu_parallel
           _ThreadIndex __target_p = __bin_proc[__target_bin];
 
           // Last column [__d->_M_num_threads] stays unchanged.
-	  ::new(&(__temporaries[__target_p][__dist[__target_bin + 1]++]))
+          ::new(&(__temporaries[__target_p][__dist[__target_bin + 1]++]))
               _ValueType(*(__source + __i + __start));
 	}
 
@@ -227,8 +227,8 @@ namespace __gnu_parallel
 	    (__sd->_M_temporaries[__iam]
 	     + (__b == __d->_M_bins_begin
 		? 0 : __sd->_M_dist[__b][__d->_M_num_threads])),
-	    *__end = (__sd->_M_temporaries[__iam]
-		      + __sd->_M_dist[__b + 1][__d->_M_num_threads]);
+	  * __end = (__sd->_M_temporaries[__iam]
+		     + __sd->_M_dist[__b + 1][__d->_M_num_threads]);
 
           __sequential_random_shuffle(__begin, __end, __rng);
           std::copy(__begin, __end, __sd->_M_source + __global_offset
@@ -236,8 +236,6 @@ namespace __gnu_parallel
 		       ? 0 : __sd->_M_dist[__b][__d->_M_num_threads]));
 	}
 
-      for (_SequenceIndex __i = 0; __i < __offset; ++__i)
-	__sd->_M_temporaries[__iam][__i].~_ValueType();
       ::operator delete(__sd->_M_temporaries[__iam]);
     }
 
@@ -503,9 +501,6 @@ namespace __gnu_parallel
           delete[] __dist0;
           delete[] __dist1;
           delete[] __oracles;
-	  
-	  for (_DifferenceType __i = 0; __i < __n; ++__i)
-	    __target[__i].~_ValueType();
           ::operator delete(__target);
 	}
       else