main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100755
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File size:
942 bytes
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| [e3f356c] | 1 | /*
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| 2 | !!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
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| 3 | !!! Copyright (c) 2017-20, Lawrence Livermore National Security, LLC
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| 4 | !!! and DataRaceBench project contributors. See the DataRaceBench/COPYRIGHT file for details.
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| 5 | !!!
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| 6 | !!! SPDX-License-Identifier: (BSD-3-Clause)
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| 7 | !!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
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| 8 | */
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| 9 |
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| 10 | /* The safelen(2) clause at safelen(2)@24:20 guarantees that the vector code is safe for vectors
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| 11 | * up to 2 (inclusive). In the loop, m@25:12 can be 2 or more for the correct execution. If the
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| 12 | * value of m is less than 2, the behavior is undefined.
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| 13 | * Data Race Pair: b[i]@26:5 and b[i-m]@26:12.
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| 14 | * */
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| 15 |
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| 16 | #include <stdio.h>
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| 17 | #include <omp.h>
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| 18 |
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| 19 | int main(){
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| 20 |
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| 21 | int i, m=1, n=4;
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| 22 | int b[4] = {};
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| 23 |
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| 24 | #pragma omp simd safelen(2)
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| 25 | for (i = m; i<n; i++)
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| 26 | b[i] = b[i-m] - 1.0f;
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| 27 |
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| 28 | printf("Expected: -1; Real: %d\n",b[3]);
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| 29 | return 0;
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| 30 | }
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