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From: "Keith Packard" <keithp@keithp.com>
To: Sebastian Huber <sebastian.huber@embedded-brains.de>,
	Joseph Myers <joseph@codesourcery.com>
Cc: newlib@sourceware.org
Subject: Re: [PATCH 0/3] ARM with only 32-bit floats do not have fast 64-bit FMA
Date: Wed, 02 Sep 2020 13:39:06 -0700	[thread overview]
Message-ID: <87imcvap79.fsf@keithp.com> (raw)
In-Reply-To: <0031e3fa-e236-1a4a-09b8-7d1ec82e943e@embedded-brains.de>

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Sebastian Huber <sebastian.huber@embedded-brains.de> writes:

> Maybe we can use the FreeBSD implementation:

And along with that, define the FP_FAST_FMA macros so that applications
can avoid this correct-but-slow version unless absolutely necessary.

-- 
-keith

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  reply	other threads:[~2020-09-02 20:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-08 22:34 Keith Packard
2020-08-08 22:34 ` [PATCH 1/3] libm: ARM without HW double does not have fast FMA Keith Packard
2020-08-08 22:34 ` [PATCH 2/3] libm: Detect fast fmaf support Keith Packard
2020-08-08 22:34 ` [PATCH 3/3] libm/machine/arm: Add optimized fmaf and fma when available Keith Packard
2020-08-10  9:30 ` [PATCH 0/3] ARM with only 32-bit floats do not have fast 64-bit FMA Corinna Vinschen
2020-08-10 14:43   ` Szabolcs Nagy
2020-08-10 15:19     ` Keith Packard
2020-08-10 19:06 ` Corinna Vinschen
2020-09-01 16:32 ` Sebastian Huber
2020-09-01 17:21   ` Sebastian Huber
2020-09-01 18:04     ` Sebastian Huber
2020-09-01 19:28       ` Keith Packard
2020-09-01 21:16         ` Joseph Myers
2020-09-01 23:06           ` Keith Packard
2020-09-02  4:41             ` Sebastian Huber
2020-09-02  5:25               ` Keith Packard
2020-09-02  5:35                 ` Keith Packard
2020-09-02 17:12               ` Joseph Myers
2020-09-02 17:59                 ` Sebastian Huber
2020-09-02 20:39                   ` Keith Packard [this message]
2020-09-01 19:50     ` Keith Packard
2020-09-07 14:09 Eric Bresie
2020-09-07 17:16 ` Keith Packard
2020-09-07 20:16   ` Brian Inglis
2020-09-07 22:23     ` Keith Packard

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