X64 Crankshaft: Add TypeRecordingBinaryStub to X64

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
===================================================================
--- src/x64/full-codegen-x64.cc	(revision 6621)
+++ src/x64/full-codegen-x64.cc	(working copy)
@@ -1529,14 +1529,9 @@
   __ j(smi, &smi_case);
 
   __ bind(&stub_call);
-  GenericBinaryOpStub stub(op, mode, NO_SMI_CODE_IN_STUB, TypeInfo::Unknown());
-  if (stub.ArgsInRegistersSupported()) {
-    stub.GenerateCall(masm_, rdx, rcx);
-  } else {
-    __ push(rdx);
-    __ push(rcx);
-    __ CallStub(&stub);
-  }
+  TypeRecordingBinaryOpStub stub(op, mode);
+  __ movq(rax, rcx);
+  __ CallStub(&stub);
   __ jmp(&done);
 
   __ bind(&smi_case);
@@ -1580,14 +1575,9 @@
 
 void FullCodeGenerator::EmitBinaryOp(Token::Value op,
                                      OverwriteMode mode) {
-  GenericBinaryOpStub stub(op, mode, NO_GENERIC_BINARY_FLAGS);
-  if (stub.ArgsInRegistersSupported()) {
-    __ pop(rdx);
-    stub.GenerateCall(masm_, rdx, rax);
-  } else {
-    __ push(result_register());
-    __ CallStub(&stub);
-  }
+  TypeRecordingBinaryOpStub stub(op, mode);
+  __ pop(rdx);
+  __ CallStub(&stub);
   context()->Plug(rax);
 }
 
@@ -3217,6 +3207,7 @@
     // the first smi check before calling ToNumber.
     is_smi = masm_->CheckSmi(rax);
     __ j(is_smi, &done);
+
     __ bind(&stub_call);
     // Call stub. Undo operation first.
     if (expr->op() == Token::INC) {
@@ -3230,12 +3221,16 @@
   SetSourcePosition(expr->position());
 
   // Call stub for +1/-1.
-  GenericBinaryOpStub stub(expr->binary_op(),
-                           NO_OVERWRITE,
-                           NO_GENERIC_BINARY_FLAGS);
-  stub.GenerateCall(masm_, rax, Smi::FromInt(1));
-  __ bind(&done);
+  TypeRecordingBinaryOpStub stub(expr->binary_op(), NO_OVERWRITE);
+  if (expr->op() == Token::INC) {
+    __ Move(rdx, Smi::FromInt(1));
+  } else {
+    __ movq(rdx, rax);
+    __ Move(rax, Smi::FromInt(1));
+  }
+  __ CallStub(&stub);
 
+  __ bind(&done);
   // Store the value returned in rax.
   switch (assign_type) {
     case VARIABLE: