diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/cshift_nan_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/cshift_nan_1.f90 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/cshift_nan_1.f90 b/gcc/testsuite/gfortran.dg/cshift_nan_1.f90 new file mode 100644 index 000000000..896ecb3a4 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/cshift_nan_1.f90 @@ -0,0 +1,24 @@ +! { dg-do run } +! Test cshift where the values are eight bytes, +! but are aligned on a four-byte boundary. The +! integers correspond to NaN values. +program main + implicit none + integer :: i + type t + sequence + integer :: a,b + end type t + type(t), dimension(4) :: u,v + common /foo/ u, i, v + + u(1)%a = 2142240768 + u(2)%a = 2144337920 + u(3)%a = -5242880 + u(4)%a = -3145728 + u%b = (/(i,i=-1,-4,-1)/) + v(1:3:2) = cshift(u(1:3:2),1) + v(2:4:2) = cshift(u(2:4:2),-1) + if (any(v%a /= (/-5242880, -3145728, 2142240768, 2144337920 /))) call abort + if (any(v%b /= (/-3, -4, -1, -2/))) call abort +end program main |