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[Bug rtl-optimization/56766] Fails to combine (vec_select (vec_concat ...)) to (vec_merge ...)
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 11 Jun 2015 13:04:56 +0000
- Subject: [Bug rtl-optimization/56766] Fails to combine (vec_select (vec_concat ...)) to (vec_merge ...)
- Auto-submitted: auto-generated
- References: <bug-56766-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56766
--- Comment #16 from UroÅ Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #8)
> No.
[...]
> That was why I was suggesting to add additional patterns rather than
> replacing the existing ones...
So, there is no other way than using "the ugly" patch that adds missing
patterns.
Please try the patch, attached in the message above.