From: Jan Hubicka <hubicka@ucw.cz>
To: Richard Biener <richard.guenther@gmail.com>
Cc: Alexander Monakov <amonakov@ispras.ru>,
Michael Matz <matz@suse.de>,
gcc-patches@gcc.gnu.org
Subject: Re: [x86-64] RFC: Add nosse abi attribute
Date: Tue, 11 Jul 2023 15:21:53 +0200 [thread overview]
Message-ID: <ZK1XcSChStVjpnGF@kam.mff.cuni.cz> (raw)
In-Reply-To: <CAFiYyc3b3p-FoBZADOsqjsMk+XxixPGcLy+o-i4Gbk=uEJpooQ@mail.gmail.com>
> > > When a function doesn't contain calls to
> > > unknown functions we can be a bit more lenient: we can make it so that
> > > GCC simply doesn't touch xmm8-15 at all, then no save/restore is
> > > necessary.
One may also take into account that first 8 registers are cheaper to
encode than the later 8, so perhaps we may want to choose range that
contains both.
Honza
next prev parent reply other threads:[~2023-07-11 13:21 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 [this message]
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
2023-07-11 16:53 ` Alexander Monakov
2023-07-17 23:00 ` Richard Sandiford
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