> Every single SYSV x64 ABI platform supports at least two uint64_t return value...

saagarjha on Sept 11, 2019 | parent | context | favorite | on: Lambdas for C – sort of

> Every single SYSV x64 ABI platform supports at least two uint64_t return values, which are the registers rdi and rax (Actually it might be rbx, I haven't done assembly for a while).

For integer returns, System-V uses rax/rdx.

fao_ on Sept 12, 2019 [–]

Ah! Yes, of course :)