MIPS: Refine 'r6 compact branch optimization.'

src/mips/constants-mips.h

 // Copyright 2012 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.
 
 #ifndef  V8_MIPS_CONSTANTS_H_
 #define  V8_MIPS_CONSTANTS_H_
 #include "src/globals.h"
 // UNIMPLEMENTED_ macro for MIPS.
 #ifdef DEBUG
 #define UNIMPLEMENTED_MIPS()                                                  \
@@ skipping 372 matching lines @@
   POP76 = ((7U << 3) + 6) << kOpcodeShift,  // bnezc, jialc
 
   COP1X = ((1U << 4) + 3) << kOpcodeShift,
 
   // New r6 instruction.
   POP06 = BLEZ,   // bgeuc/bleuc, blezalc, bgezalc
   POP07 = BGTZ,   // bltuc/bgtuc, bgtzalc, bltzalc
   POP10 = ADDI,   // beqzalc, bovc, beqc
   POP26 = BLEZL,  // bgezc, blezc, bgec/blec
   POP27 = BGTZL,  // bgtzc, bltzc, bltc/bgtc
-  POP30 = DADDI,  // bnezalc, bvnc, bnec
+  POP30 = DADDI,  // bnezalc, bnvc, bnec
 };
 
 enum SecondaryField : uint32_t {
   // SPECIAL Encoding of Function Field.
   SLL = ((0U << 3) + 0),
   MOVCI = ((0U << 3) + 1),
   SRL = ((0U << 3) + 2),
   SRA = ((0U << 3) + 3),
   SLLV = ((0U << 3) + 4),
   LSA = ((0U << 3) + 5),
@@ skipping 813 matching lines @@
       }
   }
 }
 
 #undef OpcodeToBitNumber
 #undef FunctionFieldToBitNumber
 }  // namespace internal
 }  // namespace v8
 
 #endif    // #ifndef V8_MIPS_CONSTANTS_H_