https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48970
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- const int sse_load[5]; /* cost of loading SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ const int sse_store[5]; /* cost of storing SSE register in SImode, DImode and TImode. */ (In reply to H.J. Lu from comment #1) > Also > > const int mmxsse_to_integer; /* cost of moving mmxsse register to > integer and vice versa. */ This changed with PR 90877.