rdt: check malloc calls

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Merge commit '8692e6284f5169257a537c8fc25addf32fc67c87'

* commit '8692e6284f5169257a537c8fc25addf32fc67c87':
  rdt: check malloc calls

Merged-by: Michael Niedermayer <michaelni@gmx.at>
x86: hpeldsp: implement SSSE3 version of _xy2

Loading pb_1 rather than pw_8192 was benchmarked to be more efficient.
Loading of the 2 yields no advantage. Loading of one saves ~11 cycles.

decicycles count:
put8:  3223(mmx)    -> 2387
avg8:  2863(mmxext) -> 2125
put16: 4356(sse2)   -> 3553
avg16: 4481(sse2)   -> 3513

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>