MIPS:port Reapply change to Pass undefined to JS builtins when called with implicit receiver.

Port r8110 (0a6ff3a) to mips.

Some mips work was in original commit. Fixed bug due to Generate_ArgumentsAdaptorTrampoline
using the dedicated CallKind reg (t1) as a temporary.

BUG=
TEST=

Review URL: http://codereview.chromium.org//7027024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8137 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/builtins-mips.cc

@@ -1575,20 +1575,20 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
     // Adjust for return address and receiver.
     __ Addu(a0, a0, Operand(2 * kPointerSize));
     // Compute copy end address. Also adjust for return address.
-    __ Addu(t1, fp, kPointerSize);
+    __ Addu(t3, fp, kPointerSize);
 
     // Copy the arguments (including the receiver) to the new stack frame.
     // a0: copy start address
     // a1: function
     // a2: expected number of arguments
     // a3: code entry to call
-    // t1: copy end address
+    // t3: copy end address
     Label copy;
     __ bind(&copy);
     __ lw(t0, MemOperand(a0));  // Adjusted above for return addr and receiver.
     __ push(t0);
     __ Subu(a0, a0, kPointerSize);
-    __ Branch(&copy, ne, a0, Operand(t1));
+    __ Branch(&copy, ne, a0, Operand(t3));
 
     // Fill the remaining expected arguments with undefined.
     // a1: function

src/mips/full-codegen-mips.cc

@@ -147,11 +147,11 @@ void FullCodeGenerator::Generate(CompilationInfo* info) {
   }
 #endif
 
-  // Strict mode functions need to replace the receiver with undefined
-  // when called as functions (without an explicit receiver
-  // object). t1 is zero for method calls and non-zero for function
-  // calls.
-  if (info->is_strict_mode()) {
+  // Strict mode functions and builtins need to replace the receiver
+  // with undefined when called as functions (without an explicit
+  // receiver object). t1 is zero for method calls and non-zero for
+  // function calls.
+  if (info->is_strict_mode() || info->is_native()) {
     Label ok;
     __ Branch(&ok, eq, t1, Operand(zero_reg));
     int receiver_offset = scope()->num_parameters() * kPointerSize;