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Subject: Re: [gomp4] Redesign oacc_parallel launch API
To: Cesar Philippidis <cesar_philippidis@mentor.com>, GCC Patches <gcc-patches@gcc.gnu.org>
References: <55B7B332.1010603@acm.org> <55C38C5D.6040602@mentor.com>
Cc: Jakub Jelinek <jakub@redhat.com>, Thomas Schwinge <THOMAS_SCHWINGE@mentor.com>
From: Nathan Sidwell <nathan@acm.org>
Message-ID: <55C3BAB8.2090201@acm.org>
Date: Thu, 06 Aug 2015 19:51:00 -0000
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On 08/06/15 18:33, Cesar Philippidis wrote:

> Looking at set_oacc_fn_attrib, it appears that const values are also
> considered dynamic. See the attached test case more more info. Is that
> the expected behavior? If not, I could take a look at this after I
> finished my reduction patch.

It's annoying that the offload  call is happening too early for that kind of 
constant propagation.  But I guess it might have been propagated by the time we 
get to oacc_xform.  And hence that could optimize there.

Anyway, a thing to notice but not get distracted by.

nathan