2012-08-06 Paolo Carlini <paolo.carlini@oracle.com>

	* testsuite/decimal/mixed-mode-cmp_neg.cc: Add test variable; minor
	tweaks.
	* testsuite/decimal/unary-arith.cc: Likewise.
	* testsuite/decimal/ctor.cc: Likewise.
	* testsuite/decimal/conversion-to-integral.cc: Likewise.
	* testsuite/decimal/make-decimal.cc: Likewise.
	* testsuite/decimal/comparison.cc: Likewise.
	* testsuite/decimal/incdec-memfunc.cc: Likewise.
	* testsuite/decimal/conversion-to-generic-float.cc: Likewise.
	* testsuite/decimal/compound-assignment-memfunc.cc: Likewise.
	* testsuite/decimal/cast_neg.cc: Likewise.
	* testsuite/decimal/incdec.cc: Likewise.
	* testsuite/decimal/mixed-mode-arith_neg.cc: Likewise.
	* testsuite/decimal/binary-arith.cc: Likewise.
	* testsuite/decimal/conversion-from-float.cc: Likewise.
	* testsuite/decimal/conversion-from-integral.cc: Likewise.
	* testsuite/decimal/compound-assignment.cc: Likewise.

2012-08-06  Peter Bergner  <bergner@vnet.ibm.com>

	PR libstdc++/54036
	* include/decimal/decimal.h (_DEFINE_DECIMAL_UNARY_OP): Use _Op as
	a unary operator.
	* testsuite/decimal/pr54036-1.cc: New test.
	* testsuite/decimal/pr54036-2.cc: Likewise.
	* testsuite/decimal/pr54036-3.cc: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190186 138bc75d-0d04-0410-961f-82ee72b054a4

21 files changed, 364 insertions, 39 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d247f5bf6bc..3bd4ea39ef7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,32 @@
+2012-08-06  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* testsuite/decimal/mixed-mode-cmp_neg.cc: Add test variable; minor
+	tweaks.
+	* testsuite/decimal/unary-arith.cc: Likewise.
+	* testsuite/decimal/ctor.cc: Likewise.
+	* testsuite/decimal/conversion-to-integral.cc: Likewise.
+	* testsuite/decimal/make-decimal.cc: Likewise.
+	* testsuite/decimal/comparison.cc: Likewise.
+	* testsuite/decimal/incdec-memfunc.cc: Likewise.
+	* testsuite/decimal/conversion-to-generic-float.cc: Likewise.
+	* testsuite/decimal/compound-assignment-memfunc.cc: Likewise.
+	* testsuite/decimal/cast_neg.cc: Likewise.
+	* testsuite/decimal/incdec.cc: Likewise.
+	* testsuite/decimal/mixed-mode-arith_neg.cc: Likewise.
+	* testsuite/decimal/binary-arith.cc: Likewise.
+	* testsuite/decimal/conversion-from-float.cc: Likewise.
+	* testsuite/decimal/conversion-from-integral.cc: Likewise.
+	* testsuite/decimal/compound-assignment.cc: Likewise.
+
+2012-08-06  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR libstdc++/54036
+	* include/decimal/decimal.h (_DEFINE_DECIMAL_UNARY_OP): Use _Op as
+	a unary operator.
+	* testsuite/decimal/pr54036-1.cc: New test.
+	* testsuite/decimal/pr54036-2.cc: Likewise.
+	* testsuite/decimal/pr54036-3.cc: Likewise.
+
 2012-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	Revert:
diff --git a/libstdc++-v3/include/decimal/decimal.h b/libstdc++-v3/include/decimal/decimal.h
index f8f05734ba8..6bc9e6a9300 100644
--- a/libstdc++-v3/include/decimal/decimal.h
+++ b/libstdc++-v3/include/decimal/decimal.h
@@ -288,7 +288,7 @@ namespace decimal
   inline _Tp operator _Op(_Tp __rhs)		\
   {						\
     _Tp __tmp;					\
-    __tmp.__setval(0 _Op __rhs.__getval());	\
+    __tmp.__setval(_Op __rhs.__getval());	\
     return __tmp;				\
   }
 
diff --git a/libstdc++-v3/testsuite/decimal/binary-arith.cc b/libstdc++-v3/testsuite/decimal/binary-arith.cc
index 180bca57167..d1bd1bc2d47 100644
--- a/libstdc++-v3/testsuite/decimal/binary-arith.cc
+++ b/libstdc++-v3/testsuite/decimal/binary-arith.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -37,6 +37,7 @@ unsigned long long ull = 50;
 void
 binary_add_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = si + a;   VERIFY (b == 980);
@@ -63,6 +64,7 @@ binary_add_32 (void)
 void
 binary_subtract_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a - si;   VERIFY (b == 1020);
@@ -90,6 +92,7 @@ binary_subtract_32 (void)
 void
 binary_multiply_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a * si;   VERIFY (b == -20000);
@@ -116,6 +119,7 @@ binary_multiply_32 (void)
 void
 binary_divide_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a / si;   VERIFY (b == -50);
@@ -143,6 +147,7 @@ binary_divide_32 (void)
 void
 binary_add_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a + si;   VERIFY (b == 980);
@@ -169,6 +174,7 @@ binary_add_64 (void)
 void
 binary_subtract_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a - si;   VERIFY (b == 1020);
@@ -196,6 +202,7 @@ binary_subtract_64 (void)
 void
 binary_multiply_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a * si;   VERIFY (b == -20000);
@@ -222,6 +229,7 @@ binary_multiply_64 (void)
 void
 binary_divide_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a / si;   VERIFY (b == -50);
@@ -249,6 +257,7 @@ binary_divide_64 (void)
 void
 binary_add_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a + si;   VERIFY (b == 980);
@@ -275,6 +284,7 @@ binary_add_128 (void)
 void
 binary_subtract_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a - si;   VERIFY (b == 1020);
@@ -302,6 +312,7 @@ binary_subtract_128 (void)
 void
 binary_multiply_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a * si;   VERIFY (b == -20000);
@@ -328,6 +339,7 @@ binary_multiply_128 (void)
 void
 binary_divide_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a / si;   VERIFY (b == -50);
diff --git a/libstdc++-v3/testsuite/decimal/cast_neg.cc b/libstdc++-v3/testsuite/decimal/cast_neg.cc
index 23749ba5e75..4ecd15d3e90 100644
--- a/libstdc++-v3/testsuite/decimal/cast_neg.cc
+++ b/libstdc++-v3/testsuite/decimal/cast_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -26,7 +26,6 @@
 // attempt to do a cast are flagged as errors.
 
 #include <decimal/decimal>
-#include <testsuite_hooks.h>
 
 using namespace std::decimal;
 
diff --git a/libstdc++-v3/testsuite/decimal/comparison.cc b/libstdc++-v3/testsuite/decimal/comparison.cc
index 1efa637ac4a..ff1e21eb300 100644
--- a/libstdc++-v3/testsuite/decimal/comparison.cc
+++ b/libstdc++-v3/testsuite/decimal/comparison.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -37,6 +37,7 @@ unsigned long long ull = 50;
 void
 compare_eq_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
 
   a = si;   VERIFY (a == si);   VERIFY (si == a);
@@ -53,6 +54,7 @@ compare_eq_32 (void)
 void
 compare_ne_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a = 100;
 
   VERIFY (a != si);   VERIFY (si != a);
@@ -69,6 +71,7 @@ compare_ne_32 (void)
 void
 compare_lt_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a = -100;
 
   VERIFY (a < si);
@@ -96,6 +99,7 @@ compare_lt_32 (void)
 void
 compare_le_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
 
   a = si;   VERIFY (a <= si);   VERIFY (si <= a);
@@ -134,6 +138,7 @@ compare_le_32 (void)
 void
 compare_gt_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a = 100;
 
   VERIFY (a > si);
@@ -161,6 +166,7 @@ compare_gt_32 (void)
 void
 compare_ge_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
 
   a = si;   VERIFY (a >= si);   VERIFY (si <= a);
@@ -199,6 +205,7 @@ compare_ge_32 (void)
 void
 compare_eq_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
 
   a = si;   VERIFY (a == si);   VERIFY (si == a);
@@ -215,6 +222,7 @@ compare_eq_64 (void)
 void
 compare_ne_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a = 100;
 
   VERIFY (a != si);   VERIFY (si != a);
@@ -231,6 +239,7 @@ compare_ne_64 (void)
 void
 compare_lt_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a = -100;
 
   VERIFY (a < si);
@@ -258,6 +267,7 @@ compare_lt_64 (void)
 void
 compare_le_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
 
   a = si;   VERIFY (a <= si);   VERIFY (si <= a);
@@ -296,6 +306,7 @@ compare_le_64 (void)
 void
 compare_gt_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a = 100;
 
   VERIFY (a > si);
@@ -323,6 +334,7 @@ compare_gt_64 (void)
 void
 compare_ge_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
 
   a = si;   VERIFY (a >= si);   VERIFY (si <= a);
@@ -361,6 +373,7 @@ compare_ge_64 (void)
 void
 compare_eq_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
 
   a = si;   VERIFY (a == si);   VERIFY (si == a);
@@ -377,6 +390,7 @@ compare_eq_128 (void)
 void
 compare_ne_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a = 100;
 
   VERIFY (a != si);   VERIFY (si != a);
@@ -393,6 +407,7 @@ compare_ne_128 (void)
 void
 compare_lt_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a = -100;
 
   VERIFY (a < si);
@@ -420,6 +435,7 @@ compare_lt_128 (void)
 void
 compare_le_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
 
   a = si;   VERIFY (a <= si);   VERIFY (si <= a);
@@ -458,6 +474,7 @@ compare_le_128 (void)
 void
 compare_gt_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a = 100;
 
   VERIFY (a > si);
@@ -485,6 +502,7 @@ compare_gt_128 (void)
 void
 compare_ge_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
 
   a = si;   VERIFY (a >= si);   VERIFY (si <= a);
diff --git a/libstdc++-v3/testsuite/decimal/compound-assignment-memfunc.cc b/libstdc++-v3/testsuite/decimal/compound-assignment-memfunc.cc
index c216faa8095..617769247d4 100644
--- a/libstdc++-v3/testsuite/decimal/compound-assignment-memfunc.cc
+++ b/libstdc++-v3/testsuite/decimal/compound-assignment-memfunc.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -41,6 +41,7 @@ unsigned long long ull = 50;
 void
 compound_assignment_add_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b.operator+=(d32);  VERIFY (b == 1005);
@@ -57,6 +58,7 @@ compound_assignment_add_32 (void)
 void
 compound_assignment_subtract_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b.operator-=(d32);  VERIFY (b == 995);
@@ -73,6 +75,7 @@ compound_assignment_subtract_32 (void)
 void
 compound_assignment_multiply_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b.operator*=(d32);  VERIFY (b == 5000);
@@ -89,6 +92,7 @@ compound_assignment_multiply_32 (void)
 void
 compound_assignment_divide_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b.operator/=(d32);  VERIFY (b == 200);
@@ -105,6 +109,7 @@ compound_assignment_divide_32 (void)
 void
 compound_assignment_add_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b.operator+=(d32);  VERIFY (b == 1005);
@@ -121,6 +126,7 @@ compound_assignment_add_64 (void)
 void
 compound_assignment_subtract_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b.operator-=(d32);  VERIFY (b == 995);
@@ -137,6 +143,7 @@ compound_assignment_subtract_64 (void)
 void
 compound_assignment_multiply_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b.operator*=(d32);  VERIFY (b == 5000);
@@ -153,6 +160,7 @@ compound_assignment_multiply_64 (void)
 void
 compound_assignment_divide_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b.operator/=(d32);  VERIFY (b == 200);
@@ -169,6 +177,7 @@ compound_assignment_divide_64 (void)
 void
 compound_assignment_add_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b.operator+=(d32);  VERIFY (b == 1005);
@@ -185,6 +194,7 @@ compound_assignment_add_128 (void)
 void
 compound_assignment_subtract_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b.operator-=(d32);  VERIFY (b == 995);
@@ -201,6 +211,7 @@ compound_assignment_subtract_128 (void)
 void
 compound_assignment_multiply_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b.operator*=(d32);  VERIFY (b == 5000);
@@ -217,6 +228,7 @@ compound_assignment_multiply_128 (void)
 void
 compound_assignment_divide_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b.operator/=(d32);  VERIFY (b == 200);
diff --git a/libstdc++-v3/testsuite/decimal/compound-assignment.cc b/libstdc++-v3/testsuite/decimal/compound-assignment.cc
index 2a1f4a7218c..9afdbf45652 100644
--- a/libstdc++-v3/testsuite/decimal/compound-assignment.cc
+++ b/libstdc++-v3/testsuite/decimal/compound-assignment.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -39,6 +39,7 @@ unsigned long long ull = 50;
 void
 compound_assignment_add_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b += d32;  VERIFY (b == 1005);
@@ -55,6 +56,7 @@ compound_assignment_add_32 (void)
 void
 compound_assignment_subtract_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b -= d32;  VERIFY (b == 995);
@@ -71,6 +73,7 @@ compound_assignment_subtract_32 (void)
 void
 compound_assignment_multiply_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b *= d32;  VERIFY (b == 5000);
@@ -87,6 +90,7 @@ compound_assignment_multiply_32 (void)
 void
 compound_assignment_divide_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a (1000), b;
 
   b = a; b /= d32;  VERIFY (b == 200);
@@ -103,6 +107,7 @@ compound_assignment_divide_32 (void)
 void
 compound_assignment_add_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b += d32;  VERIFY (b == 1005);
@@ -119,6 +124,7 @@ compound_assignment_add_64 (void)
 void
 compound_assignment_subtract_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b -= d32;  VERIFY (b == 995);
@@ -135,6 +141,7 @@ compound_assignment_subtract_64 (void)
 void
 compound_assignment_multiply_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b *= d32;  VERIFY (b == 5000);
@@ -151,6 +158,7 @@ compound_assignment_multiply_64 (void)
 void
 compound_assignment_divide_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a (1000), b;
 
   b = a; b /= d32;  VERIFY (b == 200);
@@ -167,6 +175,7 @@ compound_assignment_divide_64 (void)
 void
 compound_assignment_add_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b += d32;  VERIFY (b == 1005);
@@ -183,6 +192,7 @@ compound_assignment_add_128 (void)
 void
 compound_assignment_subtract_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b -= d32;  VERIFY (b == 995);
@@ -199,6 +209,7 @@ compound_assignment_subtract_128 (void)
 void
 compound_assignment_multiply_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b *= d32;  VERIFY (b == 5000);
@@ -215,6 +226,7 @@ compound_assignment_multiply_128 (void)
 void
 compound_assignment_divide_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a (1000), b;
 
   b = a; b /= d32;  VERIFY (b == 200);
diff --git a/libstdc++-v3/testsuite/decimal/conversion-from-float.cc b/libstdc++-v3/testsuite/decimal/conversion-from-float.cc
index c1824a827cc..48fd6d48c5f 100644
--- a/libstdc++-v3/testsuite/decimal/conversion-from-float.cc
+++ b/libstdc++-v3/testsuite/decimal/conversion-from-float.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -29,6 +29,7 @@ using namespace std::decimal;
 void
 conversion_from_float_32 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal32 d32(123);
   decimal64 d64(234);
   decimal128 d128(345);
@@ -51,6 +52,7 @@ conversion_from_float_32 ()
 void
 conversion_from_float_64 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal32 d32(123);
   decimal64 d64(234);
   decimal128 d128(345);
@@ -73,6 +75,7 @@ conversion_from_float_64 ()
 void
 conversion_from_float_128 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal32 d32(123);
   decimal64 d64(234);
   decimal128 d128(345);
diff --git a/libstdc++-v3/testsuite/decimal/conversion-from-integral.cc b/libstdc++-v3/testsuite/decimal/conversion-from-integral.cc
index 78d5eb76a79..23da3c15727 100644
--- a/libstdc++-v3/testsuite/decimal/conversion-from-integral.cc
+++ b/libstdc++-v3/testsuite/decimal/conversion-from-integral.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -29,6 +29,7 @@ using namespace std::decimal;
 void
 conversion_from_integral_p32 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal32 d;
   decimal32 from_si (1);
   decimal32 from_ui (2U);
@@ -61,6 +62,7 @@ conversion_from_integral_p32 ()
 void
 conversion_from_integral_m32 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal32 d;
   decimal32 from_si (-1);
   decimal32 from_sl (-2L);
@@ -81,6 +83,7 @@ conversion_from_integral_m32 ()
 void
 conversion_from_integral_p64 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal64 d;
   decimal64 from_si (1);
   decimal64 from_ui (2U);
@@ -113,6 +116,7 @@ conversion_from_integral_p64 ()
 void
 conversion_from_integral_m64 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal64 d;
   decimal64 from_si (-1);
   decimal64 from_sl (-2L);
@@ -133,6 +137,7 @@ conversion_from_integral_m64 ()
 void
 conversion_from_integral_p128 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal128 d;
   decimal128 from_si (1);
   decimal128 from_ui (2U);
@@ -164,6 +169,7 @@ conversion_from_integral_p128 ()
 void
 conversion_from_integral_m128 ()
 {
+  bool test __attribute__((unused)) = true;
   decimal128 d;
   decimal128 from_si (-1);
   decimal128 from_sl (-2L);
diff --git a/libstdc++-v3/testsuite/decimal/conversion-to-generic-float.cc b/libstdc++-v3/testsuite/decimal/conversion-to-generic-float.cc
index bac0c820ee6..fec39e68b93 100644
--- a/libstdc++-v3/testsuite/decimal/conversion-to-generic-float.cc
+++ b/libstdc++-v3/testsuite/decimal/conversion-to-generic-float.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -27,7 +27,8 @@ using namespace std::decimal;
 void
 conversion_to_generic_float_32 ()
 {
-  std::decimal::decimal32 d32(123);
+  bool test __attribute__((unused)) = true;
+  decimal32 d32(123);
   float f;
   double d;
   long double ld;
@@ -51,7 +52,8 @@ conversion_to_generic_float_32 ()
 void
 conversion_to_generic_float_64 ()
 {
-  std::decimal::decimal64 d64(234);
+  bool test __attribute__((unused)) = true;
+  decimal64 d64(234);
   float f;
   double d;
   long double ld;
@@ -75,7 +77,8 @@ conversion_to_generic_float_64 ()
 void
 conversion_to_generic_float_128 ()
 {
-  std::decimal::decimal128 d128(345);
+  bool test __attribute__((unused)) = true;
+  decimal128 d128(345);
   float f;
   double d;
   long double ld;
diff --git a/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc
index 9322c1bc78f..41ff2f5d409 100644
--- a/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc
+++ b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -23,7 +23,6 @@
 
 #include <decimal/decimal>
 #include <climits>
-#include <cstdio>
 #include <testsuite_hooks.h>
 
 // Use extension to replace implicit long long conversion with function call.
@@ -36,6 +35,7 @@ conversion_to_integral_32 (void)
 {
   #undef MAXVAL
   #define MAXVAL 999999LL
+  bool test __attribute__((unused)) = true;
   decimal32 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
   long long ll;
 
@@ -51,6 +51,7 @@ conversion_to_integral_64 (void)
 {
   #undef MAXVAL
   #define MAXVAL 999999999999999LL
+  bool test __attribute__((unused)) = true;
   decimal64 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
   long long ll;
 
@@ -66,6 +67,7 @@ conversion_to_integral_128 (void)
 {
   #undef MAXVAL
   #define MAXVAL LONG_LONG_MAX
+  bool test __attribute__((unused)) = true;
   decimal128 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
   long long ll;
 
diff --git a/libstdc++-v3/testsuite/decimal/ctor.cc b/libstdc++-v3/testsuite/decimal/ctor.cc
index 84e04ade691..6164a020b41 100644
--- a/libstdc++-v3/testsuite/decimal/ctor.cc
+++ b/libstdc++-v3/testsuite/decimal/ctor.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -32,28 +32,31 @@ using namespace std::decimal;
 void
 ctor_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
   float b __attribute__((mode(SD))) = 0.e-101DF;
 
-  VERIFY (memcmp (&a, &b, 4) == 0);
+  VERIFY (std::memcmp (&a, &b, 4) == 0);
 }
 
 void
 ctor_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
   float b __attribute__((mode(DD))) = 0.e-398DD;
 
-  VERIFY (memcmp (&a, &b, 8) == 0);
+  VERIFY (std::memcmp (&a, &b, 8) == 0);
 }
 
 void
 ctor_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
   float b __attribute__((mode(TD))) = 0.e-6176DL;
 
-  VERIFY (memcmp (&a, &b, 16) == 0);
+  VERIFY (std::memcmp (&a, &b, 16) == 0);
 }
 
 int
diff --git a/libstdc++-v3/testsuite/decimal/incdec-memfunc.cc b/libstdc++-v3/testsuite/decimal/incdec-memfunc.cc
index f2d1178a6f1..31e4579e20f 100644
--- a/libstdc++-v3/testsuite/decimal/incdec-memfunc.cc
+++ b/libstdc++-v3/testsuite/decimal/incdec-memfunc.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -34,8 +34,9 @@ using namespace std::decimal;
 void
 incdec32 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal32 a(11), b, c;
+  decimal32 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
@@ -81,8 +82,9 @@ incdec32 (void)
 void
 incdec64 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal64 a(11), b, c;
+  decimal64 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
@@ -128,8 +130,9 @@ incdec64 (void)
 void
 incdec128 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal128 a(11), b, c;
+  decimal128 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
diff --git a/libstdc++-v3/testsuite/decimal/incdec.cc b/libstdc++-v3/testsuite/decimal/incdec.cc
index 45211b1de21..370edf49581 100644
--- a/libstdc++-v3/testsuite/decimal/incdec.cc
+++ b/libstdc++-v3/testsuite/decimal/incdec.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -32,8 +32,9 @@ using namespace std::decimal;
 void
 incdec32 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal32 a(11), b, c;
+  decimal32 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
@@ -79,8 +80,9 @@ incdec32 (void)
 void
 incdec64 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal64 a(11), b, c;
+  decimal64 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
@@ -126,8 +128,9 @@ incdec64 (void)
 void
 incdec128 (void)
 {
+  bool test __attribute__((unused)) = true;
   int ival;
-  std::decimal::decimal128 a(11), b, c;
+  decimal128 a(11), b, c;
 
   // Verify that we get the expected value of b after assignment.
   b = a;
diff --git a/libstdc++-v3/testsuite/decimal/make-decimal.cc b/libstdc++-v3/testsuite/decimal/make-decimal.cc
index be4fa4632ad..4d1bee5749a 100644
--- a/libstdc++-v3/testsuite/decimal/make-decimal.cc
+++ b/libstdc++-v3/testsuite/decimal/make-decimal.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -32,8 +32,8 @@
   i = ESIGN EXP;							\
   a = PASTE(make_decimal,32) (sll, i);					\
   b = PASTE(make_decimal,32) (PASTE(COEFF,LL), ESIGN EXP);	\
-  VERIFY ((__builtin_memcmp ((void *)&x, (void *)&a, SIZE) == 0)	\
-          && (__builtin_memcmp ((void *)&x, (void *)&b,SIZE) == 0));
+  VERIFY ((std::memcmp ((void *)&x, (void *)&a, SIZE) == 0)	\
+          && (std::memcmp ((void *)&x, (void *)&b,SIZE) == 0));
 
 #define TESTVAL_NONNEG(COEFF,ESIGN,EXP,SUF,NUM,SIZE)			\
   x = PASTE(PASTE(PASTE(PASTE(PASTE(COEFF,.),E),ESIGN),EXP),SUF);	\
@@ -44,16 +44,17 @@
   b = PASTE(make_decimal,32) (PASTE(COEFF,LL), ESIGN EXP);		\
   c = PASTE(make_decimal,32) (ull, i);					\
   d = PASTE(make_decimal,32) (PASTE(COEFF,ULL), ESIGN EXP);		\
-  VERIFY ((__builtin_memcmp ((void *)&x, (void *)&a, SIZE) == 0)	\
-          && (__builtin_memcmp ((void *)&x, (void *)&b,SIZE) == 0)	\
-          && (__builtin_memcmp ((void *)&x, (void *)&c,SIZE) == 0)	\
-          && (__builtin_memcmp ((void *)&x, (void *)&d,SIZE) == 0));
+  VERIFY ((std::memcmp ((void *)&x, (void *)&a, SIZE) == 0)	\
+          && (std::memcmp ((void *)&x, (void *)&b,SIZE) == 0)	\
+          && (std::memcmp ((void *)&x, (void *)&c,SIZE) == 0)	\
+          && (std::memcmp ((void *)&x, (void *)&d,SIZE) == 0));
 
 using namespace std::decimal;
 
 void
 make_decimal_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a, b, c, d;
   float x __attribute__((mode(SD)));
   int i;
@@ -78,6 +79,7 @@ make_decimal_32 (void)
 void
 make_decimal_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a, b, c, d;
   float x __attribute__((mode(DD)));
   int i;
@@ -102,6 +104,7 @@ make_decimal_64 (void)
 void
 make_decimal_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a, b, c, d;
   float x __attribute__((mode(TD)));
   int i;
diff --git a/libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc b/libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc
index afdc0382cd1..dfd90d69df4 100644
--- a/libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc
+++ b/libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -25,7 +25,6 @@
 // floating-point type to a generic floating-point type.
 
 #include <decimal/decimal>
-#include <testsuite_hooks.h>
 
 using namespace std::decimal;
 
diff --git a/libstdc++-v3/testsuite/decimal/mixed-mode-cmp_neg.cc b/libstdc++-v3/testsuite/decimal/mixed-mode-cmp_neg.cc
index 5ff9a71a7ea..d89e631ef1e 100644
--- a/libstdc++-v3/testsuite/decimal/mixed-mode-cmp_neg.cc
+++ b/libstdc++-v3/testsuite/decimal/mixed-mode-cmp_neg.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -25,7 +25,6 @@
 // generic floating-point type.
 
 #include <decimal/decimal>
-#include <testsuite_hooks.h>
 
 using namespace std::decimal;
 
diff --git a/libstdc++-v3/testsuite/decimal/pr54036-1.cc b/libstdc++-v3/testsuite/decimal/pr54036-1.cc
new file mode 100644
index 00000000000..4e08084fec3
--- /dev/null
+++ b/libstdc++-v3/testsuite/decimal/pr54036-1.cc
@@ -0,0 +1,71 @@
+// Copyright (C) 2012 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 of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-require-effective-target dfp }
+
+#include <decimal/decimal>
+#include <testsuite_hooks.h>
+
+using namespace std::decimal;
+
+decimal32
+__attribute__ ((noinline))
+my_nan32 (void)
+{
+  decimal32 z = 0;
+  decimal32 v = z/z;
+  return v;
+}
+
+decimal32
+__attribute__ ((noinline))
+my_inf32 (void)
+{
+  decimal32 o = 1;
+  decimal32 z = 0;
+  decimal32 v = o/z;
+  return v;
+}
+
+int
+main ()
+{
+  bool test __attribute__((unused)) = true;
+  decimal32 v;
+
+  v = my_nan32 ();
+
+  VERIFY (__builtin_isnand32 (v.__getval ()));
+  VERIFY (!__builtin_signbitd32 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isnand32 (v.__getval ()));
+  VERIFY (__builtin_signbitd32 (v.__getval ()));
+
+  v = my_inf32 ();
+
+  VERIFY (__builtin_isinfd32 (v.__getval ()));
+  VERIFY (!__builtin_signbitd32 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isinfd32 (v.__getval ()));
+  VERIFY (__builtin_signbitd32 (v.__getval ()));
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/decimal/pr54036-2.cc b/libstdc++-v3/testsuite/decimal/pr54036-2.cc
new file mode 100644
index 00000000000..f20ad77086c
--- /dev/null
+++ b/libstdc++-v3/testsuite/decimal/pr54036-2.cc
@@ -0,0 +1,71 @@
+// Copyright (C) 2012 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 of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-require-effective-target dfp }
+
+#include <decimal/decimal>
+#include <testsuite_hooks.h>
+
+using namespace std::decimal;
+
+decimal64
+__attribute__ ((noinline))
+my_nan64 (void)
+{
+  decimal64 z = 0;
+  decimal64 v = z/z;
+  return v;
+}
+
+decimal64
+__attribute__ ((noinline))
+my_inf64 (void)
+{
+  decimal64 o = 1;
+  decimal64 z = 0;
+  decimal64 v = o/z;
+  return v;
+}
+
+int
+main ()
+{
+  bool test __attribute__((unused)) = true;
+  decimal64 v;
+
+  v = my_nan64 ();
+
+  VERIFY (__builtin_isnand64 (v.__getval ()));
+  VERIFY (!__builtin_signbitd64 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isnand64 (v.__getval ()));
+  VERIFY (__builtin_signbitd64 (v.__getval ()));
+
+  v = my_inf64 ();
+
+  VERIFY (__builtin_isinfd64 (v.__getval ()));
+  VERIFY (!__builtin_signbitd64 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isinfd64 (v.__getval ()));
+  VERIFY (__builtin_signbitd64 (v.__getval ()));
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/decimal/pr54036-3.cc b/libstdc++-v3/testsuite/decimal/pr54036-3.cc
new file mode 100644
index 00000000000..662c94527b8
--- /dev/null
+++ b/libstdc++-v3/testsuite/decimal/pr54036-3.cc
@@ -0,0 +1,71 @@
+// Copyright (C) 2012 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 of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-require-effective-target dfp }
+
+#include <decimal/decimal>
+#include <testsuite_hooks.h>
+
+using namespace std::decimal;
+
+decimal128
+__attribute__ ((noinline))
+my_nan128 (void)
+{
+  decimal128 z = 0;
+  decimal128 v = z/z;
+  return v;
+}
+
+decimal128
+__attribute__ ((noinline))
+my_inf128 (void)
+{
+  decimal128 o = 1;
+  decimal128 z = 0;
+  decimal128 v = o/z;
+  return v;
+}
+
+int
+main ()
+{
+  bool test __attribute__((unused)) = true;
+  decimal128 v;
+
+  v = my_nan128 ();
+
+  VERIFY (__builtin_isnand128 (v.__getval ()));
+  VERIFY (!__builtin_signbitd128 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isnand128 (v.__getval ()));
+  VERIFY (__builtin_signbitd128 (v.__getval ()));
+
+  v = my_inf128 ();
+
+  VERIFY (__builtin_isinfd128 (v.__getval ()));
+  VERIFY (!__builtin_signbitd128 (v.__getval ()));
+
+  v = -v;
+
+  VERIFY (__builtin_isinfd128 (v.__getval ()));
+  VERIFY (__builtin_signbitd128 (v.__getval ()));
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/decimal/unary-arith.cc b/libstdc++-v3/testsuite/decimal/unary-arith.cc
index d32b98d0d51..b75d8ec2ba2 100644
--- a/libstdc++-v3/testsuite/decimal/unary-arith.cc
+++ b/libstdc++-v3/testsuite/decimal/unary-arith.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009-2012 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
@@ -31,6 +31,7 @@ decimal128 a128 (5001), b128 (-5001);
 void
 unary_plus_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
 
   a = +a32; VERIFY (a == a32);
@@ -40,6 +41,7 @@ unary_plus_32 (void)
 void
 unary_minus_32 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal32 a;
 
   a = -a32; VERIFY (a == b32);
@@ -49,6 +51,7 @@ unary_minus_32 (void)
 void
 unary_plus_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
 
   a = +a64; VERIFY (a == a64);
@@ -58,6 +61,7 @@ unary_plus_64 (void)
 void
 unary_minus_64 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal64 a;
 
   a = -a64; VERIFY (a == b64);
@@ -67,6 +71,7 @@ unary_minus_64 (void)
 void
 unary_plus_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
 
   a = +a128; VERIFY (a == a128);
@@ -76,6 +81,7 @@ unary_plus_128 (void)
 void
 unary_minus_128 (void)
 {
+  bool test __attribute__((unused)) = true;
   decimal128 a;
 
   a = -a128; VERIFY (a == b128);