ART: Use jalr instead of jr for Mips

Use the jalr instruction instead of jr in stubs and compiled code.

Change-Id: Idacc5167a5bb0113dc2e7716e4767e5ed07b5e0b
diff --git a/compiler/dex/quick/mips/call_mips.cc b/compiler/dex/quick/mips/call_mips.cc
index 3bb81bf..51a8c98 100644
--- a/compiler/dex/quick/mips/call_mips.cc
+++ b/compiler/dex/quick/mips/call_mips.cc
@@ -58,7 +58,7 @@
  *   bne   r_val, r_key, loop
  *   lw    r_disp, -4(r_base)
  *   addu  rRA, r_disp
- *   jr    rRA
+ *   jalr  rZERO, rRA
  * done:
  *
  */
@@ -136,7 +136,7 @@
  *   bound check -> done
  *   lw    r_disp, [rRA, r_val]
  *   addu  rRA, r_disp
- *   jr    rRA
+ *   jalr  rZERO, rRA
  * done:
  */
 void MipsMir2Lir::GenLargePackedSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src) {