https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87716
--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
A slightly older compiler gave
test1:
movdqa (%rdi), %xmm2
pavgb (%rsi), %xmm2
movdqa %xmm2, %xmm3
punpckhbw %xmm1, %xmm2
punpcklbw %xmm1, %xmm3
pmulhuw %xmm0, %xmm2
pmulhuw %xmm0, %xmm3
packuswb %xmm2, %xmm3
movaps %xmm3, (%rdx)
ret
What is so super strange about the current generated code?
