https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115675
Hongtao Liu <liuhongt at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |liuhongt at gcc dot gnu.org --- Comment #2 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to Richard Biener from comment #1) > so it's now SLP vectorized? Yes, the vectorization looks not reasonable. it used to be vectorized as v4qi vector CTOR + v4qi vector store. Now it's vectorized as v4hi vector CTOR + truncv4hiv4qi + v4qi vector store.