From: Georg-Johann Lay <avr@gjlay.de>
To: Richard Henderson <rth@redhat.com>
Cc: gcc-patches@gcc.gnu.org, Denis Chertykov <chertykov@gmail.com>,
Eric Weddington <eric.weddington@atmel.com>
Subject: Re: [Patch,AVR]: Clean-up some SP insns
Date: Tue, 27 Sep 2011 21:30:00 -0000 [thread overview]
Message-ID: <4E82220A.4070509@gjlay.de> (raw)
In-Reply-To: <4E81F0D4.5090909@redhat.com>
Richard Henderson schrieb:
> On 09/27/2011 12:56 AM, Georg-Johann Lay wrote:
>
>> * config/avr/avr-protos.h (avr_out_addto_sp): New prototype.
>> * config/avr/avr.c (avr_out_addto_sp): New function.
>> (adjust_insn_length): Handle ADJUST_LEN_ADDTO_SP.
>> * config/avr/avr.md (adjust_len): Add "addto_sp".
>> (*movhi_sp): Remove insn.
>> (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): Merge to *addhi3_sp_R.
>
> While this is a good cleanup by itself, and probably should be
> applied by itself, I think a good followup would be to merge
> the addhi3_sp_R pattern with the normal addhi3 pattern.
>
> This should be fairly easy, given that both are handled via C
> functions now.
There is bit more work for *addhi3 (PR50447) and thus adapting
prologue/epilogue functions etc. Didn't do that yet.
Johann
> r~
next prev parent reply other threads:[~2011-09-27 19:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 9:26 Georg-Johann Lay
2011-09-27 16:55 ` Richard Henderson
2011-09-27 21:30 ` Georg-Johann Lay [this message]
2011-10-05 10:09 ` Ping #1: " Georg-Johann Lay
2011-10-05 10:43 ` Denis Chertykov
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