[mpeg2-dev] PLD instruction in motion_comp_arm_s.S instruction doesn't work on armv4

[<GN...@no...>]

Hello,
I tried to include a patch in mplayer but they told me that:
<DonDiego> this should really become part of upstream libmpeg2...
<DonDiego> we've been working hard to reduce the upstream diff...

Basically libmpeg2 can't be compiled on a toolchain made for armv4(and
obviously can't run on armv4) because the armv4 lacks the pld instruction.

see page 240 in http://www.arm.com/miscPDFs/14128.pdf

Armv4 is still used as today,such as in the openmoko(about 10 000 sales
according to
http://lists.openmoko.org/nabble.html#nabble-td2103754|a2103754)

could something like the following code be ok?

#ifndef HAVE_PLD
.macro pld reg
.endm
#endif

Thanks in advance for your advises