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comparison gcc/testsuite/gfortran.dg/chkbits.f90 @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 ! { dg-do run }
2 ! NOT() was not return the two's complement value as reported by
3 ! PR fortran/25458. In checking other bit manipulation intrinsics,
4 ! IBSET was found to be in error.
5 program chkbits
6
7 implicit none
8
9 integer(kind=1) i1
10 integer(kind=2) i2
11 integer(kind=4) i4
12 integer(kind=8) i8
13
14 i1 = ibset(huge(0_1), bit_size(i1)-1)
15 i2 = ibset(huge(0_2), bit_size(i2)-1)
16 i4 = ibset(huge(0_4), bit_size(i4)-1)
17 i8 = ibset(huge(0_8), bit_size(i8)-1)
18 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) call abort
19
20 i1 = ibclr(-1_1, bit_size(i1)-1)
21 i2 = ibclr(-1_2, bit_size(i2)-1)
22 i4 = ibclr(-1_4, bit_size(i4)-1)
23 i8 = ibclr(-1_8, bit_size(i8)-1)
24 if (i1 /= huge(0_1) .or. i2 /= huge(0_2)) call abort
25 if (i4 /= huge(0_4) .or. i8 /= huge(0_8)) call abort
26
27 i1 = not(0_1)
28 i2 = not(0_2)
29 i4 = not(0_4)
30 i8 = not(0_8)
31 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) call abort
32
33 end program chkbits