https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #386 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- (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.
