[Ffmpeg-devel] Re: Broken trunk on AMD64 with PIC enabled
Thu Apr 5 09:33:12 CEST 2007
On Thu, Apr 05, 2007 at 12:35:04AM +0200, Michael Niedermayer wrote:
> hmm, first IIRC x86-64 doesnt truely support 64bit addressing but rather
> 48bit or so, but i might be wrong, ive not checked the docs i am just
> repeating what i read here sometime ago ...
Docs say it supports at least 48 (or was it 40) bits, how many exactly
must be checked, e.g. via CPUID or writing all ones to a register that
sets the unsupported bits to 0 or similar.
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