https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110206
--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Uroš Bizjak from comment #9) > and simplify_replace_rtx simplifies the above to: > > (gdb) p debug_rtx (src) > (const_vector:V8HI [ > (const_int 204 [0xcc]) repeated x8 > ]) Patched compiler simplifies to: (gdb) p debug_rtx (src) (const_vector:V8HI [ (const_int 204 [0xcc]) repeated x4 (const_int 0 [0]) repeated x4 ])