Add test cases for PCMPxSTRx cases 0x30 and 0x40.  Pertains to #320998.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13654 a5019735-40e9-0310-863c-91ae7b9d1cf9
Followup to r13652 (make the translation cache size be command-line
controllable): reduce MAX_N_SECTORS to 24, speed up Sector
initialisation, wording tweaks.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13655 a5019735-40e9-0310-863c-91ae7b9d1cf9