> This looks fine, though the commit message tells me it's not a good
> idea, but it would be nice to know _why_ it's not good. Might be nice
> to know for future reference.
Committed with additional comments. Thank you,
Claudiu
>
> This looks fine, though the commit message tells me it's not a good
> idea, but it would be nice to know _why_ it's not good. Might be nice
> to know for future reference.
>
Again LRA, expand time subregs are not handled by LRA, as far as I can tell.
Moreover, this option is by default off,
* Claudiu Zissulescu [2017-06-01 15:34:56
+0200]:
> From: claziss
>
> Emitting subregs in the expand is not a good idea. Deprecate this
> option.
>
> gcc/
> 2017-04-26 Claudiu Zissulescu
>
> * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
> option.
> (subd
From: claziss
Emitting subregs in the expand is not a good idea. Deprecate this
option.
gcc/
2017-04-26 Claudiu Zissulescu
* config/arc/arc.md (adddi3): Remove support for mexpand-adddi
option.
(subdi3): Likewise.
* config/arc/arc.opt (mexpand-adddi): Deprecat