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 <npig...@gmail.com> Thanks, Nick