obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 36 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/other/pr49133.C b/gcc/testsuite/g++.dg/other/pr49133.C
new file mode 100644
index 000000000..a59687f9c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/pr49133.C
@@ -0,0 +1,36 @@
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -msse2" } */
+/* { dg-require-effective-target sse2_runtime } */
+
+#include <xmmintrin.h>
+
+extern "C" void abort ();
+
+typedef double double_a __attribute__((__may_alias__));
+
+struct V
+{
+  __m128d data;
+};
+
+int
+main()
+{
+  V a;
+  __m128d b;
+
+  b = _mm_set_pd (1., 0.);
+  a.data = _mm_set_pd (1., 0.);
+  a.data = _mm_add_pd (a.data,
+		       _mm_and_pd (_mm_cmpeq_pd (a.data, _mm_set1_pd (0.)),
+				   _mm_set1_pd (2.)));
+  reinterpret_cast<double_a *>(&a.data)[1] += 1.;
+  b = _mm_add_pd (b, _mm_and_pd (_mm_cmpeq_pd (b, _mm_set1_pd (0.)),
+				 _mm_set1_pd (1.)));
+  b = _mm_add_pd (b, _mm_and_pd (_mm_cmpeq_pd (b, _mm_set1_pd (1.)),
+				 _mm_set1_pd (1.)));
+  if (_mm_movemask_pd (_mm_cmpeq_pd (a.data, b)) != 0x3)
+    abort();
+
+  return 0;
+}