[heap] Cleanup SemiSpace

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 634d1b3c7d11b55d204c2a1c4649ae61ec1c1b27..d7f07b85eb0369689532f9d20271fe916c750ff9 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -77,7 +77,6 @@ Heap::Heap()
       reserved_semispace_size_(8 * (kPointerSize / 4) * MB),
       max_semi_space_size_(8 * (kPointerSize / 4) * MB),
       initial_semispace_size_(Page::kPageSize),
-      target_semispace_size_(Page::kPageSize),
       max_old_generation_size_(700ul * (kPointerSize / 4) * MB),
       initial_old_generation_size_(max_old_generation_size_ /
                                    kInitalOldGenerationLimitFactor),
@@ -4748,31 +4747,6 @@ bool Heap::ConfigureHeap(int max_semi_space_size, int max_old_space_size,
 
   initial_semispace_size_ = Min(initial_semispace_size_, max_semi_space_size_);
 
-  if (FLAG_target_semi_space_size > 0) {
-    int target_semispace_size = FLAG_target_semi_space_size * MB;
-    if (target_semispace_size < initial_semispace_size_) {
-      target_semispace_size_ = initial_semispace_size_;
-      if (FLAG_trace_gc) {
-        PrintIsolate(isolate_,
-                     "Target semi-space size cannot be less than the minimum "
-                     "semi-space size of %d MB\n",
-                     initial_semispace_size_ / MB);
-      }
-    } else if (target_semispace_size > max_semi_space_size_) {
-      target_semispace_size_ = max_semi_space_size_;
-      if (FLAG_trace_gc) {
-        PrintIsolate(isolate_,
-                     "Target semi-space size cannot be less than the maximum "
-                     "semi-space size of %d MB\n",
-                     max_semi_space_size_ / MB);
-      }
-    } else {
-      target_semispace_size_ = ROUND_UP(target_semispace_size, Page::kPageSize);
-    }
-  }
-
-  target_semispace_size_ = Max(initial_semispace_size_, target_semispace_size_);
-
   if (FLAG_semi_space_growth_factor < 2) {
     FLAG_semi_space_growth_factor = 2;
   }