gcc/testsuite/g++.dg/cpp0x/pr70887.C

   1 // PR middle-end/70887
   2 // { dg-do compile { target { { i?86-*-* x86_64-*-* } && c++11 } } }
   3 // { dg-options "-O2 -msse2" }
   4
   5 #include <x86intrin.h>
   6
   7 enum R { S };
   8 template <R> struct C { static constexpr int value = 10; };
   9 template <typename R, template <R> class T, R... r>
  10 struct A {
  11   template <int, R...> struct B;
  12   template <int N, R M, R... O>
  13   struct B<N, M, O...> {
  14     static constexpr int d = T<M>::value;
  15     static __m128i generate()
  16     {
  17       __attribute__((__vector_size__(16))) long long
  18       a = generate(),
  19       b = _mm_bslli_si128 (a, 1),
  20       c = _mm_bsrli_si128 (_mm_set1_epi32(d), 12);
  21       return _mm_or_si128 (b, c);
  22     }
  23   };
  24   A () { B<0, r...>::generate(); }
  25 };
  26
  27 int
  28 main () {
  29   using RI = A<R, C, S>;
  30   RI ri;
  31 }