From eeeef8f4f93036d2ea25325a3b681c338e7e143f Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Tue, 9 Oct 2012 14:50:19 +0000
Subject: re PR libstdc++/54869
 (ext/random/simd_fast_mersenne_twister_engine/cons/default.cc FAILs)

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/54869
	* include/ext/random (simd_fast_mersenne_twister_engine): Provide
	only for little endian targets.
	* include/ext/random.tcc: Likewise.
	* config/cpu/i486/opt/ext/opt_random.h: Likewise.
	* testsuite/lib/libstdc++.exp (check_v3_target_little_endian): Add.
	* testsuite/lib/dg-options.exp (dg-require-little-endian): Add.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/equal.cc: Use the latter.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/serialize.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	operators/inequal.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/copy.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed1.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed2.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/default.cc: Likewise.
	* testsuite/ext/random/simd_fast_mersenne_twister_engine/
	cons/seed_seq.cc: Likewise.

From-SVN: r192256
---
 libstdc++-v3/include/ext/random     | 3 +++
 libstdc++-v3/include/ext/random.tcc | 2 ++
 2 files changed, 5 insertions(+)

(limited to 'libstdc++-v3/include')

diff --git a/libstdc++-v3/include/ext/random b/libstdc++-v3/include/ext/random
index 8c40d6d..0207d39 100644
--- a/libstdc++-v3/include/ext/random
+++ b/libstdc++-v3/include/ext/random
@@ -47,6 +47,8 @@ namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+
   /* Mersenne twister implementation optimized for vector operations.
    *
    * Reference: http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/
@@ -380,6 +382,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 					    0x3bd2b64bU, 0x0c64b1e4U>
     sfmt216091_64;
 
+#endif // __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 
   /**
    * @brief A beta continuous distribution for random numbers.
diff --git a/libstdc++-v3/include/ext/random.tcc b/libstdc++-v3/include/ext/random.tcc
index 4151daf..a196f74 100644
--- a/libstdc++-v3/include/ext/random.tcc
+++ b/libstdc++-v3/include/ext/random.tcc
@@ -37,6 +37,7 @@ namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 
   template<typename _UIntType, size_t __m,
 	   size_t __pos1, size_t __sl1, size_t __sl2,
@@ -402,6 +403,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       return __is;
     }
 
+#endif // __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 
   /**
    * Iteration method due to M.D. J<o:>hnk.
-- 
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