tree 72a26568539aef4d0199bdb7a8e40d4c38262ecb
parent 0c29909cbde112bc9c04da4ce81421e1a0b39f36
author Andreas Gampe <agampe@google.com> 1403138732 -0700
committer Andreas Gampe <agampe@google.com> 1403138732 -0700

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