[FFmpeg-devel] [PATCH] Fix compilation with 64-bit MinGW
Reimar Döffinger
Reimar.Doeffinger
Sun Oct 19 20:13:45 CEST 2008
On Sun, Oct 19, 2008 at 05:52:58PM +0100, M?ns Rullg?rd wrote:
> Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> writes:
> > Index: libavcodec/i386/dsputil_mmx.c
> > ===================================================================
> > --- libavcodec/i386/dsputil_mmx.c (revision 15647)
> > +++ libavcodec/i386/dsputil_mmx.c (working copy)
> > @@ -2239,6 +2239,7 @@
> > }
> >
> > static void float_to_int16_3dnow(int16_t *dst, const float *src, long len){
> > + x86_reg reglen = len;
> > // not bit-exact: pf2id uses different rounding than C and SSE
> > __asm__ volatile(
> > "add %0 , %0 \n\t"
> > @@ -2257,10 +2258,11 @@
> > "add $16 , %0 \n\t"
> > " js 1b \n\t"
> > "femms \n\t"
> > - :"+r"(len), "+r"(dst), "+r"(src)
> > + :"+r"(reglen), "+r"(dst), "+r"(src)
>
> Why not "+r"((x86_reg)len)?
Because it does not compile, +r needs an lvalue.
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