From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/3599 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: Re: Thinking about release Date: Wed, 10 Jul 2013 08:42:58 +0200 Message-ID: <1373438578.12826.167.camel@eris.loria.fr> References: <20130613012517.GA5859@brightrain.aerifal.cx> <20130613014314.GC29800@brightrain.aerifal.cx> <20130709053711.GO29800@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="=-sDApgjoPLCXtnEw1PZXb" X-Trace: ger.gmane.org 1373438590 4196 80.91.229.3 (10 Jul 2013 06:43:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 10 Jul 2013 06:43:10 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-3603-gllmg-musl=m.gmane.org@lists.openwall.com Wed Jul 10 08:43:12 2013 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.2.3-0ubuntu6 Xref: news.gmane.org gmane.linux.lib.musl.general:3599 Archived-At: --=-sDApgjoPLCXtnEw1PZXb Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Am Mittwoch, den 10.07.2013, 10:26 +1200 schrieb Andre Renaud: > typedef struct multiple_size_t { > size_t d[4]; > } multiple_size_t; why not have it typedef size_t _multiple_size[4]; the wrapping into struct just doesn't serve much purpose, I think. Then for your implementation, the commonly used trick would be to have two "slow" phases for misalignment. One at the start for the first bytes up to the next valid alignment boundary, do the "fast" copy for the aligned part, and then handle the last bytes in another slow phase. For small things to copy this adds a bit of arithmetic and a conditional. Jens --=20 :: INRIA Nancy Grand Est :: http://www.loria.fr/~gustedt/ :: :: AlGorille ::::::::::::::: office Nancy : +33 383593090 :: :: ICube :::::::::::::: office Strasbourg : +33 368854536 :: :: ::::::::::::::::::::::::::: gsm France : +33 651400183 :: :: :::::::::::::::::::: gsm international : +49 15737185122 :: --=-sDApgjoPLCXtnEw1PZXb 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 v1.4.11 (GNU/Linux) iEYEABECAAYFAlHdAnIACgkQD9PoadrVN+K4nACgkc+Z3drA+JtkzvdDUHucavEE ZTsAn0Kr/Fw6Nl5y9NA77uBDiPtt4PeG =rbh/ -----END PGP SIGNATURE----- --=-sDApgjoPLCXtnEw1PZXb--