[Bug target/50829] avx extra copy for _mm256_insertf128_pd

[marc.glisse at normalesup dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50829

--- Comment #3 from Marc Glisse <marc.glisse at normalesup dot org> 2011-10-23 08:20:50 UTC ---
(In reply to comment #1)
> This looks similar to PR 34283, a RA problem.

PR 48037 too. I didn't find all of those before reporting because I was looking
for something AVX-specific, sorry.