Date: Sun, 1 Apr 2018 22:12:32 +0200 From: ardi <ardillasdelmonte@...il.com> To: musl@...ts.openwall.com Subject: Re: Views on bare metal port On Sun, Apr 1, 2018 at 4:29 PM, Szabolcs Nagy <nsz@...t70.net> wrote: > in short: > > most things will work even if musl is compiled by a > compiler without fenv access support, but it won't > be fully conforming when the caller changes or tests > the fenv. Thanks a lot for your detailed clarifications! I never change the rounding mode in my code, nor use the functions you mention, so I think I'm safe to use clang with musl. BTW, am I correct in assuming that these clang rounding mode issues happen in all C runtimes in all OSs (MacOS included), or do some C runtimes apply some hacks for preventing this behaviour? I feel a bit puzzled about MacOS not saying a word about this in the docs. For example, the MacOS manpages for fesetround() and for the functions you mention, don't say a word about possible undesired behaviour with clang. Thanks! ardi
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