mips32: When we are accessing elements via double pointer MIPS compiler can
generate two consecutive 32bit loads instead of one 64bit load. Because of that
in error log we have two conflict loads of size 4 instead of one conflict load
of size 8.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13883 a5019735-40e9-0310-863c-91ae7b9d1cf9