SIMD, BLD: Backport FPMATH mode on x86-32 and filter successor CPU features by seiko2plus · Pull Request #30026 · numpy/numpy
…atures Two major bugs need to be merged as part of numpygh-28896 and must be fixed: - Force SSE-based floating-point on 32-bit x86 systems to avoid x87 FPU's 80-bit internal precision causing unpredictable rounding and overflow behavior when converting to smaller types. - Fix filtering out successor features when an implied feature is filterd out from `max` within build options `--cpu-baseline` and `--cpu-dispatch`. Documentation `build-options` has been updated for this case. - Updates `build-options` to add missing explanation about option `detect`.
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