[turbofan] Introduce integer multiplication with overflow.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 0cdd8fd00f7bc5584bfe0b2526f3b8468b0ca827..1b7811017be2f17feafb26a72a13caef3fb3f343 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1336,6 +1336,24 @@ 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);
+
   // -------------------------------------------------------------------------
   // Runtime calls.