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authorpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2012-10-09 14:50:19 +0000
committerpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>2012-10-09 14:50:19 +0000
commit011ea24cdbd3084a1408a5abf015da0ea1eca0ee (patch)
tree97676a530949901acc3ae1b6d60e406dae3eff49 /libstdc++-v3/include/ext/random
parent42c442a97ffc36f0f3d2d22d04355087345baac3 (diff)
downloadppe42-gcc-011ea24cdbd3084a1408a5abf015da0ea1eca0ee.tar.gz
ppe42-gcc-011ea24cdbd3084a1408a5abf015da0ea1eca0ee.zip
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192256 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/include/ext/random')
-rw-r--r--libstdc++-v3/include/ext/random3
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/random b/libstdc++-v3/include/ext/random
index 8c40d6d420a..0207d392261 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.
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