http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58546
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
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CC| |hubicka at gcc dot gnu.org
--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Andrew Pinski from comment #3)
> This is a target specific issue as the RTL looks fine from expand:
The splitter in question is the one with the comment:
;; Avoid redundant prefixes by splitting HImode arithmetic to SImode.
The splitter does check for "aligned_operand" operands, which in turn avoids
volatiles. However, outside of the operand, data layout is not known to the
predicate.
Let's ask Honza about this.
