[FFmpeg-devel] [PATCH] MMX for Win64

[Zuxy Meng]

2008/5/4 M?ns Rullg?rd <mans at mansr.com>:
> Jean-Baptiste Kempf <jb at videolan.org> writes:
>
> > On Sat, May 03, 2008 at 10:43:13AM +0200, matthieu castet wrote :
> >> Jean-Baptiste Kempf wrote:
> >> > Assembler tries to make a pushl value, which is for x86_64 forbidden.
> >> > Long is 32bit on Win64
> >> > (http://technet.microsoft.com/en-us/library/bb496995.aspx).
> >> > ssize_t, however, is portable between both archs."
> >> >
> >> Yes but ffmpeg don't run only on win32 and win64. What make you think it
> >> will work under _all_ arch ?
> > Why would using ssize_t or size_t break ?
> >
> > The only difference between LP64 and LLP64 is the long type.
> > Using size_t wouldn't break it.
>
> It's wrong to use size_t here.  There is no guarantee that size_t
> is at all suitable.  For instance, it could legally be 64 bits on a
> 32-bit system, or 32 bits on a 64-bit system.

What about intptr_t?

-- 
Zuxy
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While truth is beauty.
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