From: James Greenhalgh <james.greenhalgh@arm.com>
To: Kyrill Tkachov <kyrylo.tkachov@arm.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
Marcus Shawcroft <Marcus.Shawcroft@arm.com>,
Richard Earnshaw <Richard.Earnshaw@arm.com>
Subject: Re: [PATCH][AArch64][1/3] Expand signed mod by power of 2 using CSNEG
Date: Tue, 08 Sep 2015 08:42:00 -0000 [thread overview]
Message-ID: <20150908083513.GA38681@arm.com> (raw)
In-Reply-To: <55E6F2E7.1080904@arm.com>
On Wed, Sep 02, 2015 at 02:00:23PM +0100, Kyrill Tkachov wrote:
>
> On 01/09/15 11:40, Kyrill Tkachov wrote:
> > Hi James,
> >
> > On 01/09/15 10:25, James Greenhalgh wrote:
> >> On Thu, Aug 13, 2015 at 01:36:50PM +0100, Kyrill Tkachov wrote:
> >>
> >> Some comments below.
> > Thanks, I'll incorporate them, with one clarification inline.
>
> And here's the updated patch.
OK.
Thanks,
James
> 2015-09-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>
> * config/aarch64/aarch64.md (mod<mode>3): New define_expand.
> (*neg<mode>2_compare0): Rename to...
> (neg<mode>2_compare0): ... This.
> * config/aarch64/aarch64.c (aarch64_rtx_costs, MOD case):
> Move check for speed inside the if-then-elses. Reflect
> CSNEG sequence in MOD by power of 2 case.
prev parent reply other threads:[~2015-09-08 8:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-24 10:55 Kyrill Tkachov
2015-07-31 8:43 ` Kyrill Tkachov
2015-07-31 9:26 ` Andrew Pinski
2015-08-03 13:01 ` James Greenhalgh
2015-08-13 12:41 ` Kyrill Tkachov
2015-08-20 8:24 ` Kyrill Tkachov
2015-09-01 8:37 ` Kyrill Tkachov
2015-09-01 9:25 ` James Greenhalgh
2015-09-01 10:40 ` Kyrill Tkachov
2015-09-02 13:00 ` Kyrill Tkachov
2015-09-08 8:42 ` James Greenhalgh [this message]
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