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Re: LTO remapping/deduction of machine modes of types/decls
- From: Alexander Monakov <amonakov at ispras dot ru>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc at gcc dot gnu dot org, Richard Biener <rguenther at suse dot de>, Vladislav Ivanishin <vlad at ispras dot ru>
- Date: Mon, 2 Jan 2017 21:49:55 +0300 (MSK)
- Subject: Re: LTO remapping/deduction of machine modes of types/decls
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On Mon, 2 Jan 2017, Jakub Jelinek wrote:
> If the host has long double the same as double, sure, PTX can use its native
> DFmode even for long double. But otherwise, the storage must be
> transferable between accelerator and host.
Hm, sorry, the 'must' is not obvious to me: is it known that the OpenMP ARB
would find only this implementation behavior acceptable?
Apart from floating-point types, are there other situations where modes carry
information not deducible from the rest of the tree node?