add patch for GCCcore 10.3-13.2 to fix AVX-512 vectorizer bug (upstream PR 114566)#24073
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This fixes a segmentation fault in FlexiBLAS LAPACK tests when compiling for Zen4/Zen5 See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114566 and easybuilders#23974
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still need to double check with 13.2 (I know the patch applies but haven't confirmed flexiblas) |
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@boegelbot please test @ jsc-zen3 |
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@bartoldeman: Request for testing this PR well received on jsczen3l1.int.jsc-zen3.fz-juelich.de PR test command '
Test results coming soon (I hope)... Details- notification for comment with ID 3356597426 processed Message to humans: this is just bookkeeping information for me, |
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Confirmed that this works with unpatched |
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Test report by @boegelbot |
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I've opened a follow-up PR to add a reference to the GCC bug in these patch files:
This fixes a segmentation fault in FlexiBLAS LAPACK tests when compiling for Zen4/Zen5
See also:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114566 and:
-ftree-vectorizeon zen4/zen5 microarchs #23974