https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66741
--- Comment #6 from Bernhard Reutner-Fischer <aldot at gcc dot gnu.org> --- Created attachment 35942 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35942&action=edit Variant demonstrating strcpy+tolower fused loop, vectorized, SSE4.x Code like this should be emitted for such strcpy+tolower "patterns" (on SSE4.x), like for the motivating -1.c
