https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #387 from Oleg Endo <olegendo at gcc dot gnu.org> --- (In reply to John Paul Adrian Glaubitz from comment #386) > (In reply to Kazumoto Kojima from comment #374) > > Created attachment 59286 [details] > > a patch for c#367 > > > > We use movsf_ie as a fall-back for for moving fp-reg from/to multiword > > subreg in 59190. Looks this confuses LRA with the SI mode scratch > > constrained to "y". > > > > The patch uses a new pattern instead of movsf_ie. It's a mini movsf_ie in a > > sense but with the SFmode scratch. > > > > Tested only with target libgcc/libstdc++v3 build and c testsuite. > > I can confirm that patch 59286 fixes the ICE from comment #367 for me. > > Currently, I'm using the sh-lra-take3 branch with the patches 59216, 59219 > and 59286 which works best so far for all my tests, including WebKit. Please push your branch version into some git repository and share it. It will make it easier to reproduce for others and figure out what is going on.
