release/18.x: [X86][Driver] Do not add -evex512 for -march=native when the target doesn't support AVX512 (#91694)
#91705
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@topperc What do you think about merging this PR to the release branch? |
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@tstellar We've had a load of reports from the issue this fixes breaking compiles on machines without AVX512 for e.g. LibreOffice, Chromium. Could this be included in .6 please? (Introduced by a7b8b89 on the branch.) EDIT: Ah, I see you've noticed already at #91694 (comment). |
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This patch fixes build failures when compiling AVX512 code using |
…et doesn't support AVX512 (llvm#91694) (cherry picked from commit 87f3407)
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May 16, 2024
Bug: llvm/llvm-project#91705 Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Backport 87f3407
Requested by: @phoebewang