[MIPS] Add Fast Art interpreter for Mips32.

Change-Id: I6b9714dc8c01b8c9080bcba175faec1d2de08f8f
diff --git a/runtime/interpreter/mterp/mips/funopWider.S b/runtime/interpreter/mterp/mips/funopWider.S
new file mode 100644
index 0000000..efb85f3
--- /dev/null
+++ b/runtime/interpreter/mterp/mips/funopWider.S
@@ -0,0 +1,19 @@
+%default {"st_result":"SET_VREG64_F(fv0, fv0f, rOBJ)"}
+    /*
+     * Generic 32bit-to-64bit unary operation.  Provide an "instr" line
+     * that specifies an instruction that performs "result = op a0", where
+     * "result" is a 64-bit quantity in a0/a1.
+     *
+     * For: int-to-double, float-to-long, float-to-double
+     */
+    /* unop vA, vB */
+    GET_OPA4(rOBJ)                         #  rOBJ <- A+
+    GET_OPB(a3)                            #  a3 <- B
+    GET_VREG_F(fa0, a3)
+    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
+    $instr
+
+.L${opcode}_set_vreg:
+    $st_result                             #  vA/vA+1 <- a0/a1
+    GET_INST_OPCODE(t0)                    #  extract opcode from rINST
+    GOTO_OPCODE(t0)                        #  jump to next instruction