From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/6786 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: Re: Re: [Pcc] pcc i386 -fPIC compiler error on src/complex/catanf.c Date: Sun, 04 Jan 2015 20:26:35 +0100 Message-ID: <1420399595.19013.7.camel@inria.fr> References: <20150104055311.GA1776@newbook> <20150104180129.GD4574@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-V/ExPSiW7Q6GPDFo64Yz" X-Trace: ger.gmane.org 1420399615 9068 80.91.229.3 (4 Jan 2015 19:26:55 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 4 Jan 2015 19:26:55 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-6798-gllmg-musl=m.gmane.org@lists.openwall.com Sun Jan 04 20:26:51 2015 Return-path: Envelope-to: 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.12.9-1 Xref: news.gmane.org gmane.linux.lib.musl.general:6786 Archived-At: --=-V/ExPSiW7Q6GPDFo64Yz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Am Sonntag, den 04.01.2015, 13:01 -0500 schrieb Rich Felker: > On Sun, Jan 04, 2015 at 05:47:24PM +0000, Iain Hibbert wrote: > > it will likely be something inside that function that does not show up > > until the function is being emitted. STCALL is something to do with > > structure arguments, which some kinds of floating point are big enough = to > > be considered.. so I guess some kind of double or long double arguments= ? >=20 > I would guess it's treating complex floating point objects like > structures. However... >=20 > > > I can't really isolate the error in question, I'm afraid. > >=20 > > maybe if you post the function, somebody else would be able to? >=20 > ...the function where the error is reported is not using any complex > objects: >=20 > http://git.musl-libc.org/cgit/musl/tree/src/complex/catanf.c?id=3Dv1.1.5 You are refering to _redupif? This is a `static` function that is used exactly once. Perhaps the compiler "augments" it to `float complex` return type, because the context where it is used is of that type. It would be interesting to see if the error disappears if the return value is first stored in a `volatile float`, and only then assigned to `w`. Jens --=20 :: INRIA Nancy Grand Est ::: AlGorille ::: ICube/ICPS ::: :: ::::::::::::::: office Strasbourg : +33 368854536 :: :: :::::::::::::::::::::: gsm France : +33 651400183 :: :: ::::::::::::::: gsm international : +49 15737185122 :: :: http://icube-icps.unistra.fr/index.php/Jens_Gustedt :: --=-V/ExPSiW7Q6GPDFo64Yz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlSpk+sACgkQD9PoadrVN+KdSACggSBRrEb0noQxVLMmRkCj9zYs w5wAnjxUpjICMrtvYCrDG2BxmyakuqqX =ZgEw -----END PGP SIGNATURE----- --=-V/ExPSiW7Q6GPDFo64Yz--