Merge changes up to V8 version 2.1.3 into the partial snapshots

src/mips/codegen-mips.cc

Index: src/mips/codegen-mips.cc
===================================================================
--- src/mips/codegen-mips.cc	(revision 3964)
+++ src/mips/codegen-mips.cc	(working copy)
@@ -81,7 +81,7 @@
 // a1: called JS function
 // cp: callee's context
 
-void CodeGenerator::Generate(CompilationInfo* info, Mode mode) {
+void CodeGenerator::Generate(CompilationInfo* infomode) {
   UNIMPLEMENTED_MIPS();
 }
 
@@ -292,6 +292,16 @@
 }
 
 
+void CodeGenerator::GenerateMathPow(ZoneList<Expression*>* args) {
+  UNIMPLEMENTED_MIPS();
+}
+
+
+void CodeGenerator::GenerateMathSqrt(ZoneList<Expression*>* args) {
+  UNIMPLEMENTED_MIPS();
+}
+
+
 // This should generate code that performs a charCodeAt() call or returns
 // undefined in order to trigger the slow case, Runtime_StringCharCodeAt.
 // It is not yet implemented on ARM, so it always goes to the slow case.
@@ -300,6 +310,11 @@
 }
 
 
+void CodeGenerator::GenerateCharFromCode(ZoneList<Expression*>* args) {
+  UNIMPLEMENTED_MIPS();
+}
+
+
 void CodeGenerator::GenerateIsArray(ZoneList<Expression*>* args) {
   UNIMPLEMENTED_MIPS();
 }
@@ -457,6 +472,34 @@
 
 void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   UNIMPLEMENTED_MIPS();
+
+  // Save callee saved registers on the stack.
+  __ MultiPush(kCalleeSaved | ra.bit());
+
+  // ********** State **********
+  //
+  // * Registers:
+  // a0: entry_address
+  // a1: function
+  // a2: reveiver_pointer
+  // a3: argc
+  //
+  // * Stack:
+  // ---------------------------
+  // args
+  // ---------------------------
+  // 4 args slots
+  // ---------------------------
+  // callee saved registers + ra
+  // ---------------------------
+  //
+  // ***************************
+
+  __ break_(0x1234);
+
+  // Restore callee saved registers from the stack.
+  __ MultiPop(kCalleeSaved | ra.bit());
+
   // Load a result.
   __ li(v0, Operand(0x1234));
   __ jr(ra);