http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57339
--- Comment #1 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #0) > One idea for now would be to emit fixed ISR prologue / epilogue asm blocks > that deal with the FP regs, if FP regs need to be saved/restored for an ISR. This would be fine. I guess that the most important thing with compiler generated interrupt routine would be its correctness and robustness, not efficiency.
