Unify InvokeBuiltin implementations across architectures.

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 17852894e2373aa0ab2b54338ecf6f5569b9dd4f..9349781f9496dccb07d73abb0fd94bbc4e8d3db9 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -4898,19 +4898,10 @@ void MacroAssembler::InvokeBuiltin(int native_context_index, InvokeFlag flag,
   // You can't call a builtin without a valid frame.
   DCHECK(flag == JUMP_FUNCTION || has_frame());
 
-  // Always initialize new target.
-  LoadRoot(a3, Heap::kUndefinedValueRootIndex);
-
+  // Fake a parameter count to avoid emitting code to do the check.
+  ParameterCount expected(0);
   LoadNativeContextSlot(native_context_index, a1);
-  ld(t9, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
-  if (flag == CALL_FUNCTION) {
-    call_wrapper.BeforeCall(CallSize(t9));
-    Call(t9);
-    call_wrapper.AfterCall();
-  } else {
-    DCHECK(flag == JUMP_FUNCTION);
-    Jump(t9);
-  }
+  InvokeFunctionCode(a1, no_reg, expected, expected, flag, call_wrapper);
 }