Update the instruction set used to build our images#6446
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both in Arm and x86. This remains very conservative.
trinity-1686a
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May 19, 2026
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i'm not too worried about x86, v3 is pretty widespread now (except for Atoms)
i wonder if neoverse-n1 is as supported. On cloud hardware it seems oracle and gcp also have that capabilities, from what i can read, all apple-silicon (though that rarely means a linux-triple). It seems that consumer hardware (raspi 4) doesn't support that featureset diff <(clang -mcpu=cortex-a72 -print-enabled-extensions) <(clang -mcpu=neoverse-n1 -print-enabled-extensions)
i wonder if we should document somewhere the mcpu we require, and how to use a different one
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both in Arm and x86.
This remains very conservative.