MIPS: crankshaft support for api method calls

src/mips/macro-assembler-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3856 matching lines @@
 
 
 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
   return ref0.address() - ref1.address();
 }
 
 
 void MacroAssembler::CallApiFunctionAndReturn(
     Register function_address,
     ExternalReference thunk_ref,
-    Register thunk_last_arg,
     int stack_space,
     MemOperand return_value_operand,
     MemOperand* context_restore_operand) {
   ExternalReference next_address =
       ExternalReference::handle_scope_next_address(isolate());
   const int kNextOffset = 0;
   const int kLimitOffset = AddressOffset(
       ExternalReference::handle_scope_limit_address(isolate()),
       next_address);
   const int kLevelOffset = AddressOffset(
       ExternalReference::handle_scope_level_address(isolate()),
       next_address);
 
-  ASSERT(function_address.is(a3));
-  ASSERT(thunk_last_arg.is(a1) || thunk_last_arg.is(a2));
+  ASSERT(function_address.is(a1) || function_address.is(a2));
 
   Label profiler_disabled;
   Label end_profiler_check;
   bool* is_profiling_flag =
       isolate()->cpu_profiler()->is_profiling_address();
   STATIC_ASSERT(sizeof(*is_profiling_flag) == 1);
   li(t9, reinterpret_cast<int32_t>(is_profiling_flag));
   lb(t9, MemOperand(t9, 0));
   Branch(&profiler_disabled, eq, t9, Operand(zero_reg));
 
@@ skipping 1842 matching lines @@
        opcode == BGTZL);
   opcode = (cond == eq) ? BEQ : BNE;
   instr = (instr & ~kOpcodeMask) | opcode;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS