MIPS: Implement target cache for constructor calls.

MIPS: Implement target cache for constructor calls.

Port r10531 (d61db240).

Original commit message:

This caches call targets of constructor calls by associating one element
caches with call sites. The type feedback oracle can use the recorded
valued to gather type information for monomorphic constructor call sites.

BUG=
TEST=

Committed: https://code.google.com/p/v8/source/detail?r=10546

[Michael Starzinger, 2012-01-30 10:58:44]

LGTM. Landed.