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From: Joseph Myers <joseph@codesourcery.com>
To: "Maciej W. Rozycki" <macro@embecosm.com>
Cc: <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] doc: Clarify FENV_ACCESS pragma semantics WRT `-ftrapping-math'
Date: Wed, 27 Jul 2022 22:45:20 +0000	[thread overview]
Message-ID: <alpine.DEB.2.22.394.2207272245110.535398@digraph.polyomino.org.uk> (raw)
In-Reply-To: <alpine.DEB.2.20.2207191258280.10833@tpp.orcam.me.uk>

On Tue, 19 Jul 2022, Maciej W. Rozycki wrote:

> Our documentation indicates that it is the `-frounding-math' invocation 
> option that controls whether we respect what the FENV_ACCESS pragma 
> would imply, should we implement it, regarding the floating point 
> environment.  It is only a part of the picture however, because the 
> `-ftrapping-math' invocation option also affects how we handle said 
> environment.  Clarify that in the description of both options then, as 
> well as the FENV_ACCESS pragma itself.
> 
> 	gcc/
> 	* doc/implement-c.texi (Floating point implementation): Mention
> 	`-fno-trapping-math' in the context of FENV_ACCESS pragma.
> 	* doc/invoke.texi (Optimize Options): Clarify FENV_ACCESS pragma
> 	implication in the descriptions of `-fno-trapping-math' and 
> 	`-frounding-math'.

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com

  parent reply	other threads:[~2022-07-27 22:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-19 12:23 Maciej W. Rozycki
2022-07-20  7:19 ` Richard Biener
2022-07-27 22:45 ` Joseph Myers [this message]
2022-07-28 13:22   ` Maciej W. Rozycki

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