https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69512
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-01-27
Ever confirmed|0 |1
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
STV pass is generating:
(insn 50 19 51 2 (set (reg:SI 2 cx [113])
(zero_extend:SI (reg:QI 2 cx [112]))) pr69512.c:11 -1
(nil))
which is not supported on TARGET_ZERO_EXTEND_WITH_AND targets
