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2021-01-06[ruby/bigdecimal] Check the function availabilities separatelyKenta Murata
https://github.com/ruby/bigdecimal/commit/cf839a34c8 https://github.com/ruby/bigdecimal/commit/75db4dabb9
2021-01-04[ruby/bigdecimal] Move some definitions to missing.hKenta Murata
https://github.com/ruby/bigdecimal/commit/c2b22cc8b3 https://github.com/ruby/bigdecimal/commit/8cbca8481d https://github.com/ruby/bigdecimal/commit/f05aecf673
2021-01-02Avoid to use __builtin_clzl in SPARC SolarisKenta Murata
2021-01-02Add __x86_64__ guard to include x86intrin.hKenta Murata
2021-01-02[ruby/bigdecimal] Implement special conversions for 64-bit integersKenta Murata
This change improves the conversion speed from small integers. ``` Comparison: big_n9 master: 4003688.9 i/s bigdecimal 3.0.0: 1270551.0 i/s - 3.15x slower big_n19 master: 5410096.4 i/s bigdecimal 3.0.0: 1000250.3 i/s - 5.41x slower ``` https://github.com/ruby/bigdecimal/commit/3429bd7e6f