Sasa Stankovic 5fddf61089 [mips] Implement NaCl sandboxing of loads, stores and SP changes: ...

* Add masking instructions before loads and stores (in MC layer).
  * Add masking instructions after SP changes (in MC layer).
  * Forbid loads, stores and SP changes in delay slots (in MI layer).

Differential Revision: http://llvm-reviews.chandlerc.com/D2904

llvm-svn: 203484

2014-03-10 20:34:23 +00:00

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