https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70028
Kirill Yukhin <kyukhin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-03-01
CC| |kyukhin at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Confirmed.
The issue is that operand modifier passed in .md file is %k1,
which stands for SI mode.
It should be 32b reg or 16b memory, i.e. %ebx and WORD.