Rémi Denis-Courmont 616fdeaea3 lavc/riscv: depend on RVB and simplify accordingly ...

There is no known (real) hardware with V and without the complete B
extension. B was indeed required in the RISC-V application profile from
2022, earlier than V. There should not be any relevant hardware in the
future either.

In practice, different R-V Vector optimisations in FFmpeg already depend on
every constituent of the B extension anyhow, so it would not work well.

2024-08-05 21:16:26 +03:00

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