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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Bill Schmidt <wschmidt@linux.ibm.com>
Cc: David Edelsohn <dje.gcc@gmail.com>,
	GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] rs6000: __builtin_darn[_raw] should be in [power9-64] (PR103624)
Date: Wed, 15 Dec 2021 12:41:39 -0600	[thread overview]
Message-ID: <20211215184139.GN614@gate.crashing.org> (raw)
In-Reply-To: <76f4cb24-dba5-2869-7d3a-141bcc1507c6@linux.ibm.com>

On Wed, Dec 15, 2021 at 08:00:02AM -0600, Bill Schmidt wrote:
> > No, all builtins should work in either mode, and always return long.
> > If the patterns are broken, the *patterns* should be fixed :-)
> 
> OK, thanks!  This is much clearer now.
> 
> I've opened an internal issue about the deficiencies of the darn patterns and
> their associated built-ins.  In response to PR103624, I would like to start
> with the existing patch to ensure the new support mirrors what we had before,
> so we have that as a baseline.  We can then move on to fixing the larger
> set of problems.  Is that a reasonable plan?

It is much more work than doing it correct in the first place.

I'll do the RTL side, if you want?


Segher

  reply	other threads:[~2021-12-15 18:42 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-13 15:48 Bill Schmidt
2021-12-13 16:30 ` David Edelsohn
2021-12-13 16:54   ` Segher Boessenkool
2021-12-13 20:37     ` Bill Schmidt
2021-12-14  0:22       ` Segher Boessenkool
2021-12-14 13:32         ` Bill Schmidt
2021-12-14 15:17           ` Bill Schmidt
2021-12-15  2:23           ` Segher Boessenkool
2021-12-15 14:00             ` Bill Schmidt
2021-12-15 18:41               ` Segher Boessenkool [this message]
2021-12-15 20:13                 ` Bill Schmidt

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