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<p class="MsoNormal"><span style="font-size:11.0pt">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am compiling a NAS Parallel Benchmark with OpenMP target directives. I am getting this warning from clang 9.0.0:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">txinvr.c:50:3: warning: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering
[-Wpass-failed=transform-warning]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> #pragma omp teams distribute parallel for simd collapse(3) private(t1, t2, t3, ac, ru1, uu, vv, ww, r1, r2, r3, r4, r5, ac2inv)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Whenever the “simd” clause is being used. Is simd not supported for offload in clang?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks and greetings,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Gabriele Jost<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">************************************************************************<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Gabriele Jost NASA Ames Research Center<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Email: Gabriele.Jost@nasa.gov Mail Stop 258-6<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Work Phone: (650) 604-0468 Bldg. 258, Rm. 232-4<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Scientific & HPC Application P.O. Box 1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Development/Optimization Moffett Field, CA 94035-0001<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">************************************************************************</span><o:p></o:p></p>
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