MIPS64: Improve long branches utilizing code range.

src/heap/spaces.cc

 // Copyright 2011 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/v8.h"
 
 #include "src/base/bits.h"
 #include "src/base/platform/platform.h"
 #include "src/full-codegen.h"
 #include "src/heap/mark-compact.h"
@@ skipping 96 matching lines @@
     } else {
       return true;
     }
   }
 
   if (requested <= kMinimumCodeRangeSize) {
     requested = kMinimumCodeRangeSize;
   }
 
   DCHECK(!kRequiresCodeRange || requested <= kMaximalCodeRangeSize);
+#ifdef V8_TARGET_ARCH_MIPS64

[jochen (gone - plz use gerrit), 2015/05/26 15:44:35]

same here?

[dusmil.imgtec, 2015/05/26 16:16:34]

Done.

+  code_range_ = new base::VirtualMemory(requested, kMaximalCodeRangeSize);
+#else
   code_range_ = new base::VirtualMemory(requested);
+#endif
   CHECK(code_range_ != NULL);
   if (!code_range_->IsReserved()) {
     delete code_range_;
     code_range_ = NULL;
     return false;
   }
 
   // We are sure that we have mapped a block of requested addresses.
   DCHECK(code_range_->size() == requested);
   Address base = reinterpret_cast<Address>(code_range_->address());
@@ skipping 3005 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 }
 }  // namespace v8::internal