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Re: Questions about LTO infrastructure and pragma omp target
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Ilya Verbin <iverbin at gmail dot com>
- Cc: Richard Biener <richard dot guenther at gmail dot com>, Uday Khedker <uday at cse dot iitb dot ac dot in>, Jan Hubicka <hubicka at ucw dot cz>, Richard Henderson <rth at redhat dot com>, Kirill Yukhin <kirill dot yukhin at gmail dot com>, "Michael V. Zolotukhin" <michael dot v dot zolotukhin at gmail dot com>, GCC Development <gcc at gcc dot gnu dot org>
- Date: Thu, 19 Sep 2013 12:49:39 +0200
- Subject: Re: Questions about LTO infrastructure and pragma omp target
- Authentication-results: sourceware.org; auth=none
- References: <20130815134437 dot GB1814 at tucnak dot redhat dot com> <4df844f6-f385-4e63-9413-8ea341992b77 at email dot android dot com> <20130823105527 dot GA6976 at msticlxl57 dot ims dot intel dot com> <85e37f42-69fe-4bbf-bf1d-f73194e7c444 at email dot android dot com> <20130916171405 dot GA18788 at msticlxl57 dot ims dot intel dot com> <CAFiYyc3nGuvf-=H1k8DvrCp9zLkEm-WP7kpq7MywzU6pMG4+nA at mail dot gmail dot com> <20130917113010 dot GA22722 at msticlxl57 dot ims dot intel dot com> <CAFiYyc1Y1Pr00hwm9Auu3DX5Z-B7P9vAQBOFywKLpaHegswaOg at mail dot gmail dot com> <20130917121228 dot GX1817 at tucnak dot redhat dot com> <20130919104430 dot GB46293 at msticlxl57 dot ims dot intel dot com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Thu, Sep 19, 2013 at 02:44:30PM +0400, Ilya Verbin wrote:
> Do I understand correctly that GIMPLE IL is target dependent, but we will emit
> the same IL for all targets?
Yes. Some of the target dependencies are required to be inherited from the
host, some can be tolerated (optimization decisions), others can be errored
out (md builtins).
Jakub