[Bug target/59539] Missed optimisation: VEX-prefixed operations don't need aligned data

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59539

--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #8)
> Because otherwise it can generate an aligned load, and I thought when user
> explicitly writes he wants an unaligned load we should honor it, perhaps for
> some reason the alignment info can't be trusted etc.
> ix86_expand_vector_move_misalign also checks misaligned_operand and only
> emits
> the non-UNSPEC insn for TARGET_AVX if it will result in misaligned load.

Thanks, the patch looks OK then (perhaps with the comment on misaligned_operand
usage).