[turbofan] Introduce integer multiplication with overflow.

src/mips64/macro-assembler-mips64.h

Index: src/mips64/macro-assembler-mips64.h
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index ccd2a3cb7541e92e2b987906e0b495d5c8424924..ab0cd7bd222b3881908dc22fd3cfd833320e1e6f 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -1387,6 +1387,24 @@ class MacroAssembler: public Assembler {
                     Label* overflow_label, Label* no_overflow_label,
                     Register scratch = at);
 
+  inline void MulBranchOvf(Register dst, Register left, const Operand& right,
+                           Label* overflow_label, Register scratch = at) {
+    MulBranchOvf(dst, left, right, overflow_label, nullptr, scratch);
+  }
+
+  inline void MulBranchNoOvf(Register dst, Register left, const Operand& right,
+                             Label* no_overflow_label, Register scratch = at) {
+    MulBranchOvf(dst, left, right, nullptr, no_overflow_label, scratch);
+  }
+
+  void MulBranchOvf(Register dst, Register left, const Operand& right,
+                    Label* overflow_label, Label* no_overflow_label,
+                    Register scratch = at);
+
+  void MulBranchOvf(Register dst, Register left, Register right,
+                    Label* overflow_label, Label* no_overflow_label,
+                    Register scratch = at);
+
   inline void DaddBranchOvf(Register dst, Register left, const Operand& right,
                             Label* overflow_label, Register scratch = at) {
     DaddBranchOvf(dst, left, right, overflow_label, nullptr, scratch);