Small improvement for getIReg on MIPS when reading from r0.

zero register on MIPS is actually a constant, and front end should be aware of
that. MIPS port is currently tracked as bug #270777.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2377 8f6e269a-dfd6-0310-a8e1-e2731360e62c
1 file changed