[turbofan] Add Int64(Add|Sub)WithOverflow support.

src/mips64/macro-assembler-mips64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips64/assembler-mips64.h"
@@ skipping 1248 matching lines @@
                                const Operand& right, Register overflow_dst,
                                Register scratch);
 
   void DadduAndCheckForOverflow(Register dst, Register left, Register right,
                                 Register overflow_dst, Register scratch = at);
 
   void DadduAndCheckForOverflow(Register dst, Register left,
                                 const Operand& right, Register overflow_dst,
                                 Register scratch);
 
+  inline void DaddBranchOvf(Register dst, Register left, const Operand& right,
+                            Label* overflow_label, Register scratch = at) {
+    DaddBranchOvf(dst, left, right, overflow_label, nullptr, scratch);
+  }
+
+  inline void DaddBranchNoOvf(Register dst, Register left, const Operand& right,
+                              Label* no_overflow_label, Register scratch = at) {
+    DaddBranchOvf(dst, left, right, nullptr, no_overflow_label, scratch);
+  }
+
+  void DaddBranchOvf(Register dst, Register left, const Operand& right,
+                     Label* overflow_label, Label* no_overflow_label,
+                     Register scratch = at);
+
+  void DaddBranchOvf(Register dst, Register left, Register right,
+                     Label* overflow_label, Label* no_overflow_label,
+                     Register scratch = at);
+
   void DsubuAndCheckForOverflow(Register dst, Register left, Register right,
                                 Register overflow_dst, Register scratch = at);
 
   void DsubuAndCheckForOverflow(Register dst, Register left,
                                 const Operand& right, Register overflow_dst,
                                 Register scratch);
 
+  inline void DsubBranchOvf(Register dst, Register left, const Operand& right,
+                            Label* overflow_label, Register scratch = at) {
+    DsubBranchOvf(dst, left, right, overflow_label, nullptr, scratch);
+  }
+
+  inline void DsubBranchNoOvf(Register dst, Register left, const Operand& right,
+                              Label* no_overflow_label, Register scratch = at) {
+    DsubBranchOvf(dst, left, right, nullptr, no_overflow_label, scratch);
+  }
+
+  void DsubBranchOvf(Register dst, Register left, const Operand& right,
+                     Label* overflow_label, Label* no_overflow_label,
+                     Register scratch = at);
+
+  void DsubBranchOvf(Register dst, Register left, Register right,
+                     Label* overflow_label, Label* no_overflow_label,
+                     Register scratch = at);
+
   void BranchOnOverflow(Label* label,
                         Register overflow_check,
                         BranchDelaySlot bd = PROTECT) {
     Branch(label, lt, overflow_check, Operand(zero_reg), bd);
   }
 
   void BranchOnNoOverflow(Label* label,
                           Register overflow_check,
                           BranchDelaySlot bd = PROTECT) {
     Branch(label, ge, overflow_check, Operand(zero_reg), bd);
@@ skipping 555 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_