Replace hand-maintained CPU tables with cpufeatures library#61292

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gbaraldi wants to merge 13 commits intomasterfrom

Commits on Mar 12, 2026

processor: replace hand-maintained CPU tables with cpufeatures library

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processor: update cpufeatures calls to new C++ namespace tp API

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deps: use JCXXFLAGS for cpufeatures build

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processor: suppress unused function warning for add_feature_mask_u32

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src: add cpufeatures to ANALYSIS_DEPS for clang analyzer

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processor: static_assert cpufeatures tables match Julia's LLVM version

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cpuid: cross-arch ISA queries, feature name mapping, and tests

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Commits on Mar 13, 2026