From: Toon Moene <toon@moene.org>
To: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] [ranger] x == -0.0 does not mean we can replace x with -0.0
Date: Mon, 29 Aug 2022 17:13:28 +0200 [thread overview]
Message-ID: <825cd304-4844-8708-cfe1-78b142af4f55@moene.org> (raw)
In-Reply-To: <aad3506e-f178-7ff3-4b04-37f9e776f34b@gmail.com>
On 8/29/22 17:08, Jeff Law via Gcc-patches wrote:
>> However, I'm hoping to forget as many floating point details, as fast
>> as possible, as soon as I can ;-).
> Actually FP isn't that bad -- I'd largely avoided it for decades, but
> didn't have a choice earlier this year. And there's a lot more headroom
> for improvements in the FP space than the integer space IMHO.
One of the more interesting ones is to try to limit the range of the
input to the trigonometric functions - that way you could use ones
without any argument reduction phase ...
--
Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
next prev parent reply other threads:[~2022-08-29 15:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 15:46 Aldy Hernandez
2022-08-26 16:40 ` Jakub Jelinek
2022-08-29 13:13 ` Aldy Hernandez
2022-08-29 13:21 ` Jakub Jelinek
2022-08-29 13:31 ` Aldy Hernandez
2022-08-29 14:20 ` Jeff Law
2022-08-29 14:26 ` Aldy Hernandez
2022-08-29 15:08 ` Jeff Law
2022-08-29 15:13 ` Toon Moene [this message]
2022-08-29 17:07 ` Jeff Law
2022-08-29 17:37 ` Koning, Paul
2022-08-29 19:04 ` Toon Moene
2022-08-29 15:29 ` Aldy Hernandez
2022-08-31 10:08 ` Aldy Hernandez
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