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 } 32