Proposal for merging scalar-storage-order branch into mainline

[Jeff Law]

On 06/09/2015 04:52 AM, Richard Biener wrote:
> On Tue, Jun 9, 2015 at 12:39 PM, Eric Botcazou <ebotcazou@adacore.com> wrote:
>>> What's the reason to not expose the byte swapping operations earlier, like
>>> on GIMPLE?  (or even on GENERIC?)
>>
>> That would be too heavy, every load and store in GENERIC/GIMPLE would have an
>> associated byte swapping operation, although you don't know if they will be
>> needed in the end.  For example, if the structure is scalarized, they are not.
>
> Yes, but I'd expect them to be optimized away (well, hopefully).
> Anwyay, and I thought
> use of the feature would be rare so that "every load and store" is
> still very few?
Seems like it'd be a great way to test the effectiveness of our bswap 
pass :-)

jeff