[PATCH] Patch that adds address-masking instructions before loads and stores, and after the instructions that change stack-pointer.

[Sasa Stankovic]

Hi mseaborn,

This patch adds address-masking instructions before loads and stores, and after the instructions that change stack-pointer. It also forbids dangerous instructions to be placed in branch-delay slots.

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

Files:
  lib/Target/Mips/MCTargetDesc/MipsMCNaCl.h
  lib/Target/Mips/MCTargetDesc/MipsNaClELFStreamer.cpp
  lib/Target/Mips/MipsDelaySlotFiller.cpp
  test/MC/Mips/nacl-align.ll
  test/MC/Mips/nacl-branch-delay.ll
  test/MC/Mips/nacl-mask.s
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