[Patch,AVR]: PR50447: Tweak addhi3
Tue Oct 18 12:39:00 GMT 2011
2011/10/18 Georg-Johann Lay <email@example.com>:
> This patch do some tweaks to addhi3 like adding QI scratch register.
> The original *addhi3 insn is still there and located prior to new
> addhi3_clobber insn because addhi3 is special to reload (thanks Danis for this
> note) so that there is a version with and a version without scratch register.
> Patch passes without regressions.
Which improvements added by this patch ?
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