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annotate gcc/testsuite/gfortran.dg/power_8.f90 @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900 (2020-02-13)
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145
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1 ! { dg-do run }
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2 ! { dg-additional-options "-fdump-tree-original" }
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3 !
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4 ! PR88579 - Test optimizations for bases that are powers of 2 or -2.
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5 program p
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6 implicit none
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7 integer(4) :: i, u
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8 integer(1) :: j, v
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9 integer(2) :: k, w
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10 integer(8) :: z
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11 ! Test selected positive bases
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12 u = 1
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13 do i=1,5
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14 u = u * 64_4
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15 if (u /= 64_4 ** i) stop 1
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16 end do
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17 z = 1
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18 do i=1,7
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19 z = z * 256_8
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20 if (z /= 256_8 ** i) stop 2
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21 end do
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22 z = 1
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23 do i=1,3
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24 z = z * 65536_8
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25 if (z /= 65536_8 ** i) stop 3
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26 end do
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27 ! Test selected negative bases and integer kind combinations
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28 u = 1
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29 do i=1,7
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30 u = u * (-2_1)
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31 if (u /= (-2_1) ** i) stop 4
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32 end do
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33 v = 1
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34 do j=1,7
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35 v = v * (-2_1)
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36 if (v /= (-2_1) ** j) stop 5
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37 end do
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38 v = 1
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39 do k=1,7
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40 v = v * (-2_1)
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41 if (v /= (-2_1) ** k) stop 6
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42 end do
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43 w = 1
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44 do k=1,7
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45 w = w * (-4_2)
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46 if (w /= (-4_2) ** k) stop 7
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47 end do
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48 w = 1
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49 do i=1,5
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50 w = w * (-8_2)
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51 if (w /= (-8_2) ** i) stop 8
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52 end do
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53 u = 1
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54 do i=1,1
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55 u = u * (-HUGE(1_4)/2-1)
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56 if (u /= (-HUGE(1_4)/2-1) ** i) stop 9
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57 end do
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58 z = 1
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59 do i=1,7
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60 z = z * (-512_8)
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61 if (z /= (-512_8) ** i) stop 10
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62 end do
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63 end program p
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64 ! { dg-final { scan-tree-dump-not "_gfortran_pow" "original" } }