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javierUDP
5a9631df3b
The entry for the M5 running macOS 26.4 did not say what Rosetta does with SHA or AVX-512, and the XSAVE entry was measured only on macOS 27.0.1. On that host sha1rnds4 and a 256-bit-wide vpaddd on zmm raise an illegal instruction alongside RDSEED, CLWB, RDPID, ADCX and ADOX, while XSAVE writes an XSTATE_BV of 0x7 and XGETBV returns the same x87, SSE and AVX mask although CPUID leaf 1 still reports neither XSAVE nor OSXSAVE. The BMI1 and BMI2 results were compared with the Intel SDM definitions over 200,000 random inputs each for PDEP, PEXT, BEXTR, BZHI, LZCNT and TZCNT, so the entry can say they compute the documented result rather than only that they avoid a fault.