From: Michael Matz <matz@suse.de>
To: Alexander Monakov <amonakov@ispras.ru>
Cc: gcc-patches@gcc.gnu.org, Jan Hubicka <hubicka@ucw.cz>
Subject: Re: [x86-64] RFC: Add nosse abi attribute
Date: Tue, 11 Jul 2023 15:34:58 +0000 (UTC) [thread overview]
Message-ID: <alpine.LSU.2.20.2307111533580.13548@wotan.suse.de> (raw)
In-Reply-To: <1222e0de-8260-9ba3-44fb-ec801fc3a4e2@ispras.ru>
Hey,
On Tue, 11 Jul 2023, Alexander Monakov via Gcc-patches wrote:
> > > > * nosseclobber: claims (and ensures) that xmm8-15 aren't clobbered
> > >
> > > This is the weak/active form; I'd suggest "preserve_high_sse".
> >
> > But it preserves only the low parts :-) You swapped the two in your
> > mind when writing the reply?
>
> Ahhh. By "high SSE" I mean the high-numbered SSE regs, i.e. xmm8-15, not
> the higher halves of (unspecified subset of) SSE regs.
Ah, gotcha :-) It just shows that all these names are confusing. Maybe
I'll just go with "attribute1" and "attribute2" and rely on docu. (SCNR)
Ciao,
Michael.
next prev parent reply other threads:[~2023-07-11 15:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-10 15:55 Michael Matz
2023-07-10 17:28 ` Richard Biener
2023-07-10 19:07 ` Alexander Monakov
2023-07-10 20:33 ` Alexander Monakov
2023-07-11 6:42 ` Richard Biener
2023-07-11 8:53 ` Jan Hubicka
2023-07-11 9:07 ` Richard Biener
2023-07-11 13:00 ` Richard Biener
2023-07-11 13:21 ` Jan Hubicka
2023-07-11 14:00 ` Michael Matz
2023-07-11 13:59 ` Alexander Monakov
2023-07-11 14:57 ` Michael Matz
2023-07-11 15:17 ` Alexander Monakov
2023-07-11 15:34 ` Michael Matz [this message]
2023-07-11 16:53 ` Alexander Monakov
2023-07-17 23:00 ` Richard Sandiford
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