| // { dg-options "-std=c++17" } |
| // { dg-do compile { target x86_64-*-* } } |
| // { dg-require-effective-target c++17 } |
| // { dg-additional-options "-march=x86-64-v3" { target x86_64-*-* } } |
| // { dg-require-cmath "" } |
| // { dg-final { scan-assembler-times "vperm(q|pd)\[\\t \]+\\\$144" 1 } } |
| |
| #include <experimental/simd> |
| |
| namespace stdx = std::experimental; |
| |
| using T = std::uint64_t; |
| using V = stdx::simd<T, stdx::simd_abi::_VecBuiltin<32>>; |
| using V1 = stdx::simd<T, stdx::simd_abi::scalar>; |
| |
| V perm(V data) |
| { |
| auto [carry, _] = stdx::split<3, 1>(data); |
| return concat(V1(), carry); |
| } |
