MIPS: Fix [turbofan] Factor out common switch-related code in instruction selectors.

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

 // Copyright 2014 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.
 
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 767 matching lines @@
   // Emit either ArchTableSwitch or ArchLookupSwitch.
   size_t table_space_cost = 9 + sw.value_range;
   size_t table_time_cost = 3;
   size_t lookup_space_cost = 2 + 2 * sw.case_count;
   size_t lookup_time_cost = sw.case_count;
   if (sw.case_count > 0 &&
       table_space_cost + 3 * table_time_cost <=
           lookup_space_cost + 3 * lookup_time_cost &&
       sw.min_value > std::numeric_limits<int32_t>::min()) {
     InstructionOperand index_operand = value_operand;
-    if (min_value) {
+    if (sw.min_value) {
       index_operand = g.TempRegister();
       Emit(kMipsSub, index_operand, value_operand,
            g.TempImmediate(sw.min_value));
     }
     // Generate a table lookup.
     return EmitTableSwitch(sw, index_operand);
   }
 
   // Generate a sequence of conditional jumps.
   return EmitLookupSwitch(sw, value_operand);
@@ skipping 110 matching lines @@
   if (IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6)) {
     return MachineOperatorBuilder::kFloat64RoundDown |
            MachineOperatorBuilder::kFloat64RoundTruncate;
   }
   return MachineOperatorBuilder::kNoFlags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8