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[Bug target/81312] Enable X86_TUNE_ACCUMULATE_OUTGOING_ARGS
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 04 Jul 2017 15:44:23 +0000
- Subject: [Bug target/81312] Enable X86_TUNE_ACCUMULATE_OUTGOING_ARGS
- Auto-submitted: auto-generated
- References: <bug-81312-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81312
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Jan Hubicka from comment #1)
> I am planning to look into Zen/generic tunning soon. But why would you like
> to
> enable it for generic? The code size cost is quite large.
>
> Honza
Doesn't it improve performance in 64-bit mode?