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Date:      Thu, 14 Apr 2011 15:31:45 +0000
From:      Alexander Best <arundel@freebsd.org>
To:        George Liaskos <geo.liaskos@gmail.com>
Cc:        kde@freebsd.org, freebsd-current@freebsd.org, Dimitry Andric <dim@freebsd.org>
Subject:   Re: KDE related compile errors on CURRENT.
Message-ID:  <20110414153145.GA68494@freebsd.org>
In-Reply-To: <BANLkTim8HNSuSEXoMeekeczPvSLUAb5o6g@mail.gmail.com>
References:  <BANLkTik6uMoZre3xJzsy2HZsUrznD4CdkQ@mail.gmail.com> <4DA6DF88.2040005@FreeBSD.org> <BANLkTimRAnz5Vn-WZ2ffXu6pCF6pi1nkDw@mail.gmail.com> <20110414132006.GA49440@freebsd.org> <4DA6FB0E.1000005@FreeBSD.org> <BANLkTim8HNSuSEXoMeekeczPvSLUAb5o6g@mail.gmail.com>

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On Thu Apr 14 11, George Liaskos wrote:
> > It works fine here:
> >
> > $ gcc -### -march=native -S empty.c
> > Using built-in specs.
> > Target: i386-undermydesk-freebsd
> > Configured with: FreeBSD/i386 system compiler
> > Thread model: posix
> > gcc version 4.2.2 20070831 prerelease [FreeBSD]
> >  "/usr/libexec/cc1" "-quiet" "-D_LONGLONG" "empty.c" "-march=core2"
> > "-mtune=generic" "-quiet" "-dumpbase" "empty.c" "-auxbase" "empty" "-o"
> > "empty.s"
> 
> It doesn't work for me on two different boxes
> 
> 1. r220269: Sat Apr  2 19:15:49 EEST 2011, CPU: Intel(R) Core(TM)2 CPU
>          6700  @ 2.66GHz (2666.82-MHz K8-class CPU)
> cc -### -march=native -S foo.c
> Using built-in specs.
> Target: amd64-undermydesk-freebsd
> Configured with: FreeBSD/amd64 system compiler
> Thread model: posix
> gcc version 4.2.2 20070831 prerelease [FreeBSD]
>  "/usr/libexec/cc1" "-quiet" "-D_LONGLONG" "foo.c" "-march=nocona"
> "-mtune=generic" "-quiet" "-dumpbase" "foo.c" "-auxbase" "foo" "-o"
> "foo.s"
> 
> 2. r220528: Sun Apr 10 23:17:57 EEST 2011, CPU: Intel(R) Core(TM)2
> Quad CPU    Q6600  @ 2.40GHz (2400.03-MHz K8-class CPU)
> cc -### -march=native -S foo.c
> Using built-in specs.
> Target: amd64-undermydesk-freebsd
> Configured with: FreeBSD/amd64 system compiler
> Thread model: posix
> gcc version 4.2.2 20070831 prerelease [FreeBSD]
>  "/usr/libexec/cc1" "-quiet" "-D_LONGLONG" "foo.c" "-march=nocona"
> "-mtune=generic" "-quiet" "-dumpbase" "foo.c" "-auxbase" "foo" "-o"
> "foo.s"
> 
> Anyone else on amd64?

could you give us the output of

`ls -laT /usr/bin|grep gcc`

and also can you send us the CU features which get reported? (dmesg -a)
i think core2 only gets enabled with native, if sse3 was detected. maybe
freebsd isn't properly detecting sse3 support for your cpu.

i'll rebuild gcc later on and check whether i experience the same issue.

cheers.
alex
> 
> Regards

-- 
a13x



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