Re: [Qemu-devel] Which compiler to use to compile current SVN

[Ben Taylor]

On Wed, Apr 30, 2008 at 5:32 AM, Thiemo Seufer <address@hidden> wrote:
> Brad Campbell wrote:
>  > Thiemo Seufer wrote:
>  >
>  >>> gcc-3.4  -fomit-frame-pointer -I. -I..
>  >>> -I/tracks/src/src/qemu.new/target-i386 -I/tracks/src/src/qemu.new
>  >>> -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
>  >>> -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu.new/tcg
>  >>> -I/tracks/src/src/qemu.new/tcg/i386 -I/tracks/src/src/qemu.new/fpu
>  >>> -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu.new/slirp
>  >>> -march=pentium-mmx -Wall -O2 -g -fno-strict-aliasing  -m32 -c -o
>  >>> helper.o
>  >>   ^^^^^^^^^^^^^^^^^^
>  >>
>  >> Too much optimization. IIRC a known problem, -march needs to be a pre-MMX
>  >> cpu.
>  >
>  > So I'd believed.. however, I've tried 
> -march=[i386,i486,i586,i686,pentium,pentium-mmx] ...
>
>  Ok, then I don't know why it fails in your environment.
>
>  [snip]
>
> > How is _anybody_ compiling this source?
>  > Someone please give me a clue here...
>
>  I use plain Debian stable.

Just to note, I'm seeing this on Solaris x86 with gcc-3.4.3 on 32-bit
systems as well.

I'm in the process of building gcc-3.4.6 but that will be a few more days before
it's ready.

Ben