On 22 December 2014 at 11:45, logicchains via Digitalmars-d <digitalmars-d@puremagic.com> wrote: > On Sunday, 21 December 2014 at 09:48:24 UTC, Dicebot wrote: >> >> On Saturday, 20 December 2014 at 21:47:24 UTC, Walter Bright wrote: >>> >>> I did notice this: >>> >>> "I updated the ldc D compiler earlier today (incidentally, as part of >>> upgrading my system with pacman -Syu), and now it doesn't compile at all. It >>> was previously compiling, and ran at around 90% the speed of C++ on ARM." >>> >>> Sigh. >> >> >> I have deployed experimental LDC package exactly to be able to detect such >> issues, otherwise it will never get there. It will be either fixed within a >> week or reverted to old mode. > > > I installed the new Arch Linux LDC package but it still fails with the same > error: /usr/lib/libldruntime.so: undefined reference to `__mulodi4' > > I did get GDC to work on ARM, but for some reason the resulting executable > is horribly slow, around five times slower than what LDC produced. Are there > any flags other than -O3 that I should be using?
Other than -frelease (to turn off most non-release code generation), no. Can you get a profiler on it to see where it's spending most of it's time? Thanks Iain.