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annotate libgomp/testsuite/libgomp.fortran/pr34020.f90 @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 04ced10e8804
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 ! PR fortran/34020
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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2 ! { dg-do run }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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3
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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4 subroutine atomic_add(lhs, rhs)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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5 real lhs, rhs
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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6 !$omp atomic
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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7 lhs = rhs + lhs
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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8 end
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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9
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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10 real lhs, rhs
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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11 integer i
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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12 lhs = 0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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13 rhs = 1
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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14 !$omp parallel do num_threads(8) shared(lhs, rhs)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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15 do i = 1, 300000
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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16 call atomic_add(lhs, rhs)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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17 enddo
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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18 if (lhs .ne. 300000) call abort
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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19 end