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
next prev 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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