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[Bug target/78762] Regression: Splitting unaligned AVX loads also when AVX2 is enabled
- From: "venkataramanan.kumar at amd dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 21 Dec 2016 13:24:38 +0000
- Subject: [Bug target/78762] Regression: Splitting unaligned AVX loads also when AVX2 is enabled
- Auto-submitted: auto-generated
- References: <bug-78762-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78762
--- Comment #14 from Venkataramanan <venkataramanan.kumar at amd dot com> ---
(In reply to Allan Jensen from comment #13)
> The question is if the unaligned store is still slow on Excavator and Ryzen
> which support AVX2. As far as I understand the bulldozer architectures just
> prefer split AVX because it was basically emulating them with 128-bit
> micro-ops anyway.
I have to benchmark and then comeback on store splitting.