https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92265
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-10-29 CC| |hubicka at gcc dot gnu.org Version|unknown |10.0 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Honza noticed the integer vs. FP scalar thing as well. The DImode case should have higher cost already (but also not account for the int to FP register file move). Note that when the construction happens from memory via strided loads this move can be elided so care has to be taken to not pessimize the costs for that.