[Ffmpeg-devel] 64-bit safety

[Derek E. Lewis]

On Tue, 19 Sep 2006, Christian Bienia wrote:

> Hi,
>
> what's the current status of ffmpeg concerning 64bit safety? When I try
> to compile ffmpeg on Linux/x86_64, I get errors from the assembler about
> incorrect uses of the 'l' suffix for certain registers. If I compile
> with CFLAGS and LDFLAGS set to "-m32", ffmpeg builds without any
> problems, but it doesn't seem to work correctly (see my earlier
> postings). What confuses me is that ffmpeg seems to build and run
> correctly on my SPARC T1, which is a 64 bit CPU.

The UltraSPARC-T1 is a 64-bit CPU, but by default, gcc compiles for 32-bit 
on SPARC, unless you specify -m64 (Sun Studio is similar).