Date: Sun, 7 Feb 2016 09:57:21 +0800 From: Erich Dollansky <erichsfreebsdlist@alogt.com> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: clang++: error: the clang compiler does not support '-march=native' Message-ID: <20160207095721.57fc3502@X220.alogt.com> In-Reply-To: <CANCZdfrHd3GTZWC96SQcbbWpfYMqMiLthQ%2BHdCUaKmz=OqAddA@mail.gmail.com> References: <20160207050149.39f7e280@X220.alogt.com> <CANCZdfrHd3GTZWC96SQcbbWpfYMqMiLthQ%2BHdCUaKmz=OqAddA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi, On Sat, 6 Feb 2016 15:49:14 -0700 Warner Losh <imp@bsdimp.com> wrote: > On Sat, Feb 6, 2016 at 2:01 PM, Erich Dollansky > <erichsfreebsdlist@alogt.com > > wrote: > > > Hi, > > > > compiling on a Raspberry Pi B 2 on FreeBSD 11 gives me above's error > > message. > > > > A Internet search shows that this message does not exist. > > > > The program compiles using the same make file on FreeBSD 10 both on > > x86 and an Raspberry Pi B using the default compilers. > > > > Did support for 'march' get removed? > > > > As far as I can tell, it has never worked for either gcc or clang. > this is what I would have liked to find out. Intel claims speed gains of some 40% on their CPUs depending on the work load using gcc. Getting a few per cent on a Raspberry for free would make a real difference. Erich
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20160207095721.57fc3502>