MIPS: Remove CALL_AS_FUNCTION and CALL_AS_METHOD.

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index eac2328666f436e7073779e1082adc0e3b01cf17..d44caa8abf478c7a1fc50686acad59eeaa2dc7d1 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -157,7 +157,6 @@ void FullCodeGenerator::Generate() {
   // object).
   if (info->is_classic_mode() && !info->is_native()) {
     Label ok;
-    __ Branch(&ok, eq, t1, Operand(zero_reg));
     int receiver_offset = info->scope()->num_parameters() * kPointerSize;
     __ lw(at, MemOperand(sp, receiver_offset));
     __ LoadRoot(a2, Heap::kUndefinedValueRootIndex);
@@ -3801,8 +3800,7 @@ void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
   // InvokeFunction requires the function in a1. Move it in there.
   __ mov(a1, result_register());
   ParameterCount count(arg_count);
-  __ InvokeFunction(a1, count, CALL_FUNCTION,
-                    NullCallWrapper(), CALL_AS_FUNCTION);
+  __ InvokeFunction(a1, count, CALL_FUNCTION, NullCallWrapper());
   __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   __ jmp(&done);