On Wed, Jun 21, 2017 at 11:49:47AM +0100, James Greenhalgh wrote:
> On Mon, Jun 12, 2017 at 03:28:52PM +0100, Kyrill Tkachov wrote:

*ping ^2*

Thanks,
James


> > 
> > On 12/06/17 14:53, James Greenhalgh wrote:
> > >Hi,
> > >
> > >In the AArch64 backend and scheduling models there is some confusion as to
> > >what the load1/load2 etc. scheduling types refer to. This leads to us using
> > >load1/load2 in two contexts - for a variety of 32-bit, 64-bit and 128-bit
> > >loads in AArch32 and 128-bit loads in AArch64. That leads to an undesirable
> > >confusion in scheduling.
> > >
> > >Fixing it is easy, but mechanical and boring. Essentially,
> > >
> > >   s/load1/load_4/
> > >   s/load2/load_8/
> > >   s/load3/load_12/
> > >   s/load4/load_16/
> > >   s/store1/store_4/
> > >   s/store2/store_8/
> > >   s/store3/store_12/
> > >   s/store4/store_16/
> > 
> > So the number now is the number of bytes being loaded?
> > 
> > >Across all sorts of pipeline models, and the two backends.
> > >
> > >I have intentionally not modified any of the patterns which now look 
> > >obviously
> > >incorrect. I'll be doing a second pass over the AArch64 back-end in patch
> > >2/2 which will fix these bugs. The AArch32 back-end looked to me to get 
> > >this
> > >correct.
> > >
> > >Bootstrapped on AArch64 and ARM without issue - there's no functional
> > >change here.
> > >
> > >OK?
> > 
> > Ok from an arm perspective.
> 
> *Ping* for the AArch64 maintainers.


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