I wrote:
>
> /var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/x86/mathops.h:94:1:
> error: 'asm' operand has impossible constraints
The piece of source code at that point:
#if HAVE_CMOV
#define COPY3_IF_LT(x, y, a, b, c, d)\
__asm__ volatile(\
"cmpl %0, %3 \n\t"\
"cmovl %3, %0 \n\t"\
"cmovl %4, %1 \n\t"\
"cmovl %5, %2 \n\t"\
: "+&r" (x), "+&r" (a), "+r" (c)\
: "r" (y), "r" (b), "r" (d)\
);
#endif
and the emerge messages:
[...]
In file included from
/var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/mathops.h:45:0,
from
/var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/motion_est.c:35:
/var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/x86/mathops.h:94:1:
error: 'asm' operand has impossible constraints
__asm__ volatile(\
^
/var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/motion_est.c:378:5:
note: in expansion of macro 'COPY3_IF_LT'
COPY3_IF_LT(dminh, d, dx, x, dy, y)\
^
/var/tmp/portage/media-video/ffmpeg-1.2.6-r1/work/ffmpeg-1.2.6/libavcodec/motion_est.c:440:17:
note: in expansion of macro 'CHECK_SAD_HALF_MV'
CHECK_SAD_HALF_MV(xy2, +1, -1)
^
[repeated 12 times]
-Matt
