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Message-ID: <CAJgzZopjTFwmMg9Yggrn-T3jRcFrJzGqSK==A9DsVhxSKdB0jw@mail.gmail.com>
Date: Wed, 26 Jun 2024 06:36:09 -0400
From: enh <enh@...gle.com>
To: Rich Felker <dalias@...c.org>
Cc: musl@...ts.openwall.com
Subject: Re: roundf() (and round(), and ...)
On Tue, Jun 25, 2024 at 7:35 PM Rich Felker <dalias@...c.org> wrote:
>
> On Tue, Jun 25, 2024 at 06:28:52PM -0400, enh wrote:
> > i don't know about gcc, but iirc for clang you don't even need to do
> > that. it assumes it knows what various functions mean, and inlines
> > trivial stuff like this anyway...
>
> Not with -ffreestanding. If it does that with -ffreestanding, it's a
> bug.
no, but my point is that most of your _users_ will never see the libm
functions anyway. (at least not on architectures new enough that their
fp instructions are basically "we went through <math.h> and added an
instruction for everything that was easy", like arm64 or riscv64.)
> Rich
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