From: Eric Botcazou <ebotcazou@adacore.com>
To: Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>,
GCC Patches <gcc-patches@gcc.gnu.org>,
David Edelsohn <dje.gcc@gmail.com>
Subject: Re: [PATCH v2, rs6000] Fix PR72827 (ada bootstrap failure)
Date: Thu, 01 Sep 2016 07:21:00 -0000 [thread overview]
Message-ID: <2749234.1bh6tV5NF5@arcturus.home> (raw)
In-Reply-To: <04b57aff-e788-012f-cc65-2f8356ad7cc7@linux.vnet.ibm.com>
> This patch (suggested by Michael Meissner) instead prevents the problem
> by disallowing reg+reg addressing for TImode, allowing D-form addressing
> to be used for the separate stores of the GPRs. This is not an ideal
> permanent solution, because it disallows reg+reg addressing not only for
> TImode in GPRs, but also for TImode in VSRs. Our intent is to work on a
> solution to provide a scratch register via secondary reload, but this
> may take some time. Thus I'd like to submit this patch as a short-term
> solution for the bootstrap problem until then.
Thanks for working on the problem and devising a fix!
--
Eric Botcazou
next prev parent reply other threads:[~2016-09-01 7:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 1:24 [PATCH, " Bill Schmidt
2016-08-31 6:20 ` Segher Boessenkool
2016-08-31 7:08 ` Eric Botcazou
2016-08-31 9:07 ` Segher Boessenkool
2016-09-06 21:31 ` Jeff Law
2016-09-06 23:02 ` Segher Boessenkool
2016-09-07 0:10 ` Jeff Law
2016-08-31 14:00 ` Bill Schmidt
2016-08-31 15:31 ` Eric Botcazou
2016-08-31 16:13 ` Bill Schmidt
2016-08-31 20:07 ` Bill Schmidt
2016-09-01 2:15 ` [PATCH v2, " Bill Schmidt
2016-09-01 7:21 ` Eric Botcazou [this message]
2016-09-01 14:32 ` Segher Boessenkool
2016-09-01 14:44 ` Bill Schmidt
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