On Wed, Apr 15, 2020 at 01:00 PM, Harold Grovesteen wrote:
I remind everyone working with GCC on VM/370 that it is a port of the
old i370 architecture version of GCC. ?The modern optimizations are
likely to be quite limited. ?This GCC is not the same version of GCC
that is used today.
Exactly - however we don't really care about the backend optimisations (after all we use Hercules which has completely different timing characteristics), but we do the front end / C ones; for example dead code removal, unwinding loops, register assignments, avoiding recalculating constants, inlining etc.?
