MIPS: Fixed faulty branch condition handling for doubles.

src/mips/macro-assembler-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1107 matching lines @@
   if (nan) {
     c(UN, D, cmp1, cmp2);
     bc1t(nan);
   }
 
   if (target) {
     // Here NaN cases were either handled by this function or are assumed to
     // have been handled by the caller.
     // Unsigned conditions are treated as their signed counterpart.
     switch (cc) {
-      case Uless:
-      case less:
+      case lt:
         c(OLT, D, cmp1, cmp2);
         bc1t(target);
         break;
-      case Ugreater:
-      case greater:
+      case gt:
         c(ULE, D, cmp1, cmp2);
         bc1f(target);
         break;
-      case Ugreater_equal:
-      case greater_equal:
+      case ge:
         c(ULT, D, cmp1, cmp2);
         bc1f(target);
         break;
-      case Uless_equal:
-      case less_equal:
+      case le:
         c(OLE, D, cmp1, cmp2);
         bc1t(target);
         break;
       case eq:
         c(EQ, D, cmp1, cmp2);
         bc1t(target);
         break;
+      case ueq:
+        c(UEQ, D, cmp1, cmp2);
+        bc1t(target);
+        break;
       case ne:
         c(EQ, D, cmp1, cmp2);
         bc1f(target);
         break;
+      case nue:
+        c(UEQ, D, cmp1, cmp2);
+        bc1f(target);
+        break;
       default:
         CHECK(0);
     };
   }
 
   if (bd == PROTECT) {
     nop();
   }
 }
 
@@ skipping 4365 matching lines @@
        opcode == BGTZL);
   opcode = (cond == eq) ? BEQ : BNE;
   instr = (instr & ~kOpcodeMask) | opcode;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS