MIPS switch table support

And 64-bit neg/add/sub (ouch! Mips has no carry bit...)

Change-Id: Ifb94324a0052d6069977fb8f22679b95890445d8
diff --git a/src/compiler/codegen/mips/Codegen.h b/src/compiler/codegen/mips/Codegen.h
index c6f1d98..520d638 100644
--- a/src/compiler/codegen/mips/Codegen.h
+++ b/src/compiler/codegen/mips/Codegen.h
@@ -27,6 +27,12 @@
 namespace art {
 
 #if defined(_CODEGEN_C)
+bool genAddLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+                RegLocation rlSrc1, RegLocation rlSrc2);
+bool genSubLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+                RegLocation rlSrc1, RegLocation rlSrc2);
+bool genNegLong(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest,
+                RegLocation rlSrc);
 LIR *opRegImm(CompilationUnit* cUnit, OpKind op, int rDestSrc1, int value);
 LIR *opRegReg(CompilationUnit* cUnit, OpKind op, int rDestSrc1, int rSrc2);
 LIR* opCmpBranch(CompilationUnit* cUnit, ConditionCode cond, int src1,