MIPS[64]: Support for some SIMD operations (8)

src/mips64/constants-mips64.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/base/logging.h"
 #include "src/base/macros.h"
 #include "src/globals.h"
@@ skipping 1074 matching lines @@
       return eq;
     case ueq:
       return ogl;
     case ogl:
       return ueq;
     default:
       return cc;
   }
 }
 
+enum MSABranchCondition {
+  all_not_zero = 0,   // Branch If All Elements Are Not Zero
+  one_elem_not_zero,  // Branch If At Least One Element of Any Format Is Not
+                      // Zero
+  one_elem_zero,      // Branch If At Least One Element Is Zero
+  all_zero            // Branch If All Elements of Any Format Are Zero
+};
+
+inline MSABranchCondition NegateMSABranchCondition(MSABranchCondition cond) {
+  switch (cond) {
+    case all_not_zero:
+      return one_elem_zero;
+    case one_elem_not_zero:
+      return all_zero;
+    case one_elem_zero:
+      return all_not_zero;
+    case all_zero:
+      return one_elem_not_zero;
+    default:
+      return cond;
+  }
+}
+
+enum MSABranchDF {
+  MSA_BRANCH_B = 0,
+  MSA_BRANCH_H,
+  MSA_BRANCH_W,
+  MSA_BRANCH_D,
+  MSA_BRANCH_V
+};
 
 // Commute a condition such that {a cond b == b cond' a}.
 inline Condition CommuteCondition(Condition cc) {
   switch (cc) {
     case Uless:
       return Ugreater;
     case Ugreater:
       return Uless;
     case Ugreater_equal:
       return Uless_equal;
@@ skipping 806 matching lines @@
           return true;
         default:
           return false;
       }
       break;
     case COP1:
       switch (instr & kRsFieldMask) {
         case BC1:
         case BC1EQZ:
         case BC1NEZ:
+        case BZ_V:
+        case BZ_B:
+        case BZ_H:
+        case BZ_W:
+        case BZ_D:
+        case BNZ_V:
+        case BNZ_B:
+        case BNZ_H:
+        case BNZ_W:
+        case BNZ_D:
           return true;
           break;
         default:
           return false;
       }
       break;
     default:
       return false;
   }
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif    // #ifndef V8_MIPS_CONSTANTS_H_