AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

Remove unused irregexp cache.

Browse Source 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/200303002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19934 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2014-03-14 13:22:14 +00:00
parent e617c101b9
commit dc24a17226
2 changed files with 2 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/interpreter-irregexp.cc
View File

@ -159,24 +159,11 @@ static int32_t Load16Aligned(const byte* pc) {
class BacktrackStack {
public:
explicit BacktrackStack(Isolate* isolate) : isolate_(isolate) {
if (isolate->irregexp_interpreter_backtrack_stack_cache() != NULL) {
// If the cache is not empty reuse the previously allocated stack.
data_ = isolate->irregexp_interpreter_backtrack_stack_cache();
isolate->set_irregexp_interpreter_backtrack_stack_cache(NULL);
} else {
// Cache was empty. Allocate a new backtrack stack.
data_ = NewArray<int>(kBacktrackStackSize);
}
data_ = NewArray<int>(kBacktrackStackSize);
}
~BacktrackStack() {
if (isolate_->irregexp_interpreter_backtrack_stack_cache() == NULL) {
// The cache is empty. Keep this backtrack stack around.
isolate_->set_irregexp_interpreter_backtrack_stack_cache(data_);
} else {
// A backtrack stack was already cached, just release this one.
DeleteArray(data_);
}
DeleteArray(data_);
}
int* data() const { return data_; }

2
src/isolate.h
View File

@ -353,8 +353,6 @@ typedef List<HeapObject*> DebugObjectCache;
V(Relocatable*, relocatable_top, NULL) \
V(DebugObjectCache*, string_stream_debug_object_cache, NULL) \
V(Object*, string_stream_current_security_token, NULL) \
/* TODO(isolates): Release this on destruction? */ \
V(int*, irregexp_interpreter_backtrack_stack_cache, NULL) \
/* Serializer state. */ \
V(ExternalReferenceTable*, external_reference_table, NULL) \
/* AstNode state. */ \