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annotate gcc/testsuite/gfortran.dg/chkbits.f90 @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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1 ! { dg-do run }
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2 ! NOT() was not return the two's complement value as reported by
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3 ! PR fortran/25458. In checking other bit manipulation intrinsics,
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4 ! IBSET was found to be in error.
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5 program chkbits
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6
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7 implicit none
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8
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9 integer(kind=1) i1
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10 integer(kind=2) i2
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11 integer(kind=4) i4
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12 integer(kind=8) i8
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13
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14 i1 = ibset(huge(0_1), bit_size(i1)-1)
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15 i2 = ibset(huge(0_2), bit_size(i2)-1)
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16 i4 = ibset(huge(0_4), bit_size(i4)-1)
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17 i8 = ibset(huge(0_8), bit_size(i8)-1)
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18 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) STOP 1
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19
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20 i1 = ibclr(-1_1, bit_size(i1)-1)
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21 i2 = ibclr(-1_2, bit_size(i2)-1)
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22 i4 = ibclr(-1_4, bit_size(i4)-1)
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23 i8 = ibclr(-1_8, bit_size(i8)-1)
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24 if (i1 /= huge(0_1) .or. i2 /= huge(0_2)) STOP 2
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25 if (i4 /= huge(0_4) .or. i8 /= huge(0_8)) STOP 3
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26
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27 i1 = not(0_1)
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28 i2 = not(0_2)
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29 i4 = not(0_4)
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30 i8 = not(0_8)
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31 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) STOP 4
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32
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33 end program chkbits