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From: Jakub Jelinek <jakub@redhat.com>
To: Bill Schmidt <wschmidt@linux.ibm.com>
Cc: GT <tnggil@protonmail.com>,
	       "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [RFC PATCH v0] PPC64: Implement POWER Architecure Vector Function ABI.
Date: Mon, 24 Feb 2020 17:09:00 -0000	[thread overview]
Message-ID: <20200224170855.GG2155@tucnak> (raw)
In-Reply-To: <b081429a-d2d7-abdd-ceec-309b3efeff55@linux.ibm.com>

On Mon, Feb 24, 2020 at 11:04:55AM -0600, Bill Schmidt wrote:
> > +  if (clonei->simdlen
> > +      && (clonei->simdlen < 2
> > +      || clonei->simdlen > 1024
> 
> Assuming that clonei->simdlen matches "vector length" in the ABI, 1024 is
> too large a number.  We can have at most 8 vector registers containing
> a homogeneous aggregate, each having up to 16 elements, so the correct
> limit would be 128.

Well, further arguments can be passed on the stack...

	Jakub

  reply	other threads:[~2020-02-24 17:09 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14 20:24 GT
2020-02-14 20:39 ` Jakub Jelinek
2020-02-14 22:02   ` GT
2020-02-14 22:09     ` Jakub Jelinek
2020-02-16 20:10       ` GT
2020-02-19 17:17         ` GT
2020-02-19 17:33         ` Bill Schmidt
2020-02-19 19:10           ` GT
2020-02-19 19:22             ` Bill Schmidt
2020-02-19 22:52             ` Joseph Myers
2020-02-20 16:56               ` GT
2020-02-20 17:14                 ` Joseph Myers
2020-02-20 19:14           ` GT
2020-02-23 16:56             ` Bill Schmidt
2020-02-23 17:30               ` Jakub Jelinek
2020-02-24 18:27                 ` Tulio Magno Quites Machado Filho
2020-02-23 19:12               ` Segher Boessenkool
2020-02-24 15:21                 ` Bill Schmidt
2020-02-24 17:57                   ` GT
2020-02-23 16:42       ` Bill Schmidt
2020-02-23 17:33         ` Jakub Jelinek
2020-02-24 14:36           ` Bill Schmidt
2020-02-14 23:46 ` Segher Boessenkool
2020-02-15 17:22   ` GT
2020-02-17  0:06     ` Segher Boessenkool
2020-03-11 15:42       ` GT
2020-02-24 17:05 ` Bill Schmidt
2020-02-24 17:09   ` Jakub Jelinek [this message]
2020-02-24 17:28     ` Bill Schmidt

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