ART: Change rrr add and sub for ARM64
OpRegRegImm will fall back to loading a constant into a register
and then doing the operation with three registers. That is, for
example, the case when we allocate large stack frames. However,
the currently chosen operations are add/sub shifted, which does
*not* allow to specify SP (x31 will be interpreted as xzr). Switch
to add/sub extended. There won't be a practical difference, as we
do not call with anything other than 0 shift.
Change-Id: I2b78df9f044d2963e3e890777c855b339952f9f4
3 files changed
