MIPS: Add new HSeqStringGetChar instruction.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 9b4d111855742a53f42ba04ace90dbcb6e1e89f0..14bd29baa59a87bbca3bd46f8e80d3545d7b6108 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -155,6 +155,7 @@ class LCodeGen;
   V(Random)                                     \
   V(RegExpLiteral)                              \
   V(Return)                                     \
+  V(SeqStringGetChar)                           \
   V(SeqStringSetChar)                           \
   V(ShiftI)                                     \
   V(SmiTag)                                     \
@@ -1340,6 +1341,21 @@ class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 1> {
 };
 
 
+class LSeqStringGetChar V8_FINAL : public LTemplateInstruction<1, 2, 0> {
+ public:
+  LSeqStringGetChar(LOperand* string, LOperand* index) {
+    inputs_[0] = string;
+    inputs_[1] = index;
+  }
+
+  LOperand* string() const { return inputs_[0]; }
+  LOperand* index() const { return inputs_[1]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
+  DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
+};
+
+
 class LSeqStringSetChar V8_FINAL : public LTemplateInstruction<1, 3, 0> {
  public:
   LSeqStringSetChar(LOperand* string,