MIPS: Initial version of optimizing compiler for MIPS64R6.

Bug: 21555893
Change-Id: I874dc356eee6ab061a32f8f3df5f8ac3a4ab7dcf
Signed-off-by: Alexey Frunze <Alexey.Frunze@imgtec.com>
Signed-off-by: Douglas Leung <douglas.leung@imgtec.com>
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 8d43ada..ad67813 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -290,6 +290,7 @@
 static bool IsInstructionSetSupported(InstructionSet instruction_set) {
   return instruction_set == kArm64
       || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat)
+      || instruction_set == kMips64
       || instruction_set == kX86
       || instruction_set == kX86_64;
 }