| ! { dg-do run } |
| ! NOT() was not return the two's complement value as reported by |
| ! PR fortran/25458. In checking other bit manipulation intrinsics, |
| ! IBSET was found to be in error. |
| program chkbits |
| |
| implicit none |
| |
| integer(kind=1) i1 |
| integer(kind=2) i2 |
| integer(kind=4) i4 |
| integer(kind=8) i8 |
| |
| i1 = ibset(huge(0_1), bit_size(i1)-1) |
| i2 = ibset(huge(0_2), bit_size(i2)-1) |
| i4 = ibset(huge(0_4), bit_size(i4)-1) |
| i8 = ibset(huge(0_8), bit_size(i8)-1) |
| if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) STOP 1 |
| |
| i1 = ibclr(-1_1, bit_size(i1)-1) |
| i2 = ibclr(-1_2, bit_size(i2)-1) |
| i4 = ibclr(-1_4, bit_size(i4)-1) |
| i8 = ibclr(-1_8, bit_size(i8)-1) |
| if (i1 /= huge(0_1) .or. i2 /= huge(0_2)) STOP 2 |
| if (i4 /= huge(0_4) .or. i8 /= huge(0_8)) STOP 3 |
| |
| i1 = not(0_1) |
| i2 = not(0_2) |
| i4 = not(0_4) |
| i8 = not(0_8) |
| if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) STOP 4 |
| |
| end program chkbits |