Re: [PATCH for-8.2 0/7] tcg/ppc: Support power10 prefixed instructions

[Nicholas Piggin]

On Sat Aug 5, 2023 at 7:33 AM AEST, Richard Henderson wrote:
> Emit one 64-bit instruction for large constants and pc-relatives.
> With pc-relative addressing, we don't need REG_TB, which means we
> can re-enable direct branching for goto_tb.

Very cool. I tested this on a POWER10 and it has been stable so
far. Using mttcg with SMP 8 machine, with this patch, a parallel
gcc compile job in a Linux distro is 11.5% faster. Is such a big
improvment expected?

For the series,

Tested-by: Nicholas Piggin <npiggin@gmail.com>

Thanks,
Nick