[turbofan] Fixing IMulHigh, which has a temp.

On Intel, imul clobbers {r|e}ax.  We're missing that in the representation
of the MulHigh intermediate instructions. Fixing, by adding it as a temp,
akin VisitDiv does.

Review URL: https://codereview.chromium.org/1631973003

Cr-Commit-Position: refs/heads/master@{#33535}

src/compiler/ia32/instruction-selector-ia32.cc

@@ -508,9 +508,10 @@ namespace {
 void VisitMulHigh(InstructionSelector* selector, Node* node,
                   ArchOpcode opcode) {
   IA32OperandGenerator g(selector);
-  selector->Emit(opcode, g.DefineAsFixed(node, edx),
-                 g.UseFixed(node->InputAt(0), eax),
-                 g.UseUniqueRegister(node->InputAt(1)));
+  InstructionOperand temps[] = {g.TempRegister(eax)};
+  selector->Emit(
+      opcode, g.DefineAsFixed(node, edx), g.UseFixed(node->InputAt(0), eax),
+      g.UseUniqueRegister(node->InputAt(1)), arraysize(temps), temps);
 }
 
 

src/compiler/x64/instruction-selector-x64.cc

@@ -734,10 +734,11 @@ void VisitMulHigh(InstructionSelector* selector, Node* node,
   if (selector->IsLive(left) && !selector->IsLive(right)) {
     std::swap(left, right);
   }
+  InstructionOperand temps[] = {g.TempRegister(rax)};
   // TODO(turbofan): We use UseUniqueRegister here to improve register
   // allocation.
   selector->Emit(opcode, g.DefineAsFixed(node, rdx), g.UseFixed(left, rax),
-                 g.UseUniqueRegister(right));
+                 g.UseUniqueRegister(right), arraysize(temps), temps);
 }