Automatic update for primecount-8.4-1.fc45.

Changelog

* Sun Apr  5 2026 Kim Walisch <walki@fedoraproject.org> - 8.4-1
- test/codegen: Add assembly code generation tests
- doc/Hard-Special-Leaves-SIMD-Filtering.pdf: New math paper about the branchfree SIMD hard special leaves algorithm
- Vector.hpp: Improve Vector exception safety
- Sieve_count_simd.hpp: Tune AVX512 and ARM SVE kernels
- D_avx512.hpp: Implement new branchfree AVX512 algorithm
- D_arm_sve.hpp: Implement new branchfree ARM SVE algorithm
- D.cpp: Implement new branchfree portable D algorithm
- FactorTableD.hpp: Add direct data() access and improve 32-bit/64-bit support for the new D algorithms
- popcnt.hpp: Add popcnt64_native() to bypass POPCNT runtime checks
- multiarch_avx512_vpopcnt.cmake: Require AVX512BW and AVX512VL
- cpu_arch_macros.hpp: Require AVX512BW and AVX512VL
- cpu_supports_avx512_vpopcnt.hpp: Detect AVX512BW and AVX512VL
- cpuid.cpp: Detect AVX512BW and AVX512VL
- multiarch_arm_sve.cmake: Improve ARM SVE compile test for svcompact()
- sve.cpp: Clarify ARM SVE detection requirements
- Sieve.hpp: Update AVX512 attributes to use AVX512BW and AVX512VL
- Sieve_count_start_stop.hpp: Remove count_algo_name() and update AVX512 attributes
- Sieve_count_stop.hpp: Simplify count() algorithm selection
- S2_hard.cpp: Remove obsolete SIMD-specialized thread code
- pi_lmo_parallel.cpp: Remove obsolete SIMD-specialized thread code
- pi_lmo5.cpp: Remove bit counting algorithm status output