MIPS: pre-crankshaft updates to macro-assembler and related files. (2/3)

src/mips/ic-mips.cc

Index: src/mips/ic-mips.cc
diff --git a/src/mips/ic-mips.cc b/src/mips/ic-mips.cc
index a76c215a483829e2a51b1982fc87f1614ec16d64..13f28028a4e67a10df76b1e53084fef2b6869db5 100644
--- a/src/mips/ic-mips.cc
+++ b/src/mips/ic-mips.cc
@@ -1572,7 +1572,8 @@ void PatchInlinedSmiCode(Address address) {
   // If the instruction following the call is not a andi at, rx, #yyy, nothing
   // was inlined.
   Instr instr = Assembler::instr_at(andi_instruction_address);
-  if (!Assembler::IsAndImmediate(instr)) {
+  if (!(Assembler::IsAndImmediate(instr) &&
+        Assembler::GetRt(instr) == (uint32_t)zero_reg.code())) {
     return;
   }