https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90378
--- Comment #6 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- (In reply to Richard Earnshaw from comment #5) > (In reply to Vladimir Makarov from comment #4) > > > Miscompilation occurs in same configuration: arm-linux-gnueabihf at -O2 > > > -flto. > > > > > > > I don't see how these two patches *directly* resulted in miscompilation. > > Although it might trigger some latent bug. > > > > > > > I'll try to narrow this down to a single object. > > > > Thank you, Maxim. Unfortunately I have no arm machine with spec2006 to > > reproduce it by myself. You help here would be much appreciated. > > While I don't see a 1% regression, I did notice a measurable code size > increase when building CSiBE for thumb-2 and -Os. It's hard to put my > finger on what is causing this, beyond the fact that the compiler is making > more use of 'high' registers and this results in using more 32-bit rather > than 16-bit instructions. Err, ignore that. Wrong bug.
