ports/65314: multimedia/libxine may not build on some cpu/gcc combos

Joel Ray Holveck joelh at piquan.org
Thu Apr 8 08:10:18 UTC 2004

>Number:         65314
>Category:       ports
>Synopsis:       multimedia/libxine may not build on some cpu/gcc combos
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-ports-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Apr 08 01:10:18 PDT 2004
>Originator:     Joel Ray Holveck
>Release:        FreeBSD 5.2.1-RELEASE-p3 i386
This wasn't on my own computer, so I didn't have time to build a
patch, but I think my notes here should be enough to make one easily.

The errant code is in the file
work/xine-lib-1-rc3a/src/post/goom/zoom_filter_xmmx.c on line 123:
"addl %0,%%ebx".

gcc picked %xmm0, which (according to an as error) is invalid for the
addl instruction.  I don't have the details like gcc version, etc; all
I know is that it was on an x86 architecture.

In the .c file, operand %0 is specified as "X"(precalCoef).  On a
hunch, I changed it to "g"(precalCoef) and it compiled fine.  I'm not
sure if that's the best solution or not; I don't know much about
recent (MMX and beyond) x86 architecture stuff.  It may be best to
bounce this off of the libxine guys.

Sorry this PR is so sparse, but I hope there's enough here to get a




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