MIPS[64]: Optimize kMips[64]Tst in code-generator-mips[64].cc

src/compiler/mips64/instruction-selector-mips64.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/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 47 matching lines @@
       case kMips64Dshl:
       case kMips64Dsar:
       case kMips64Dshr:
         return is_uint6(value);
       case kMips64Add:
       case kMips64And32:
       case kMips64And:
       case kMips64Dadd:
       case kMips64Or32:
       case kMips64Or:
+      case kMips64Tst:
       case kMips64Xor:
         return is_uint16(value);
       case kMips64Ldc1:
       case kMips64Sdc1:
         return is_int16(value + kIntSize);
       default:
         return is_int16(value);
     }
   }
 
@@ skipping 2483 matching lines @@
   } else {
     DCHECK(kArchVariant == kMips64r2);
     return MachineOperatorBuilder::AlignmentRequirements::
         NoUnalignedAccessSupport();
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8