On Wed, Aug 12, 2020 at 02:32:51PM +0200, Christophe Leroy wrote:
> Anyway, it seems that GCC doesn't make much use of the "m<>" and the 
> pre-update form.

GCC does not use update form outside of inner loops much.  Did you
expect anything else?

> Most of the benefit of flexible addressing seems to be 
> achieved with patch 1 ie without the "m<>" constraint and update form.



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