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

Double align fast literals of fast double elements kind.

Browse Source 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19603002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
hpayer@chromium.org 2013-07-18 08:42:03 +00:00
parent f24997c1c7
commit ced115b6ae
1 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/hydrogen.cc
View File

@ -8376,16 +8376,16 @@ HInstruction* HOptimizedGraphBuilder::BuildFastLiteral(
HInstruction* target = NULL;
HInstruction* data_target = NULL;
HAllocate::Flags flags = HAllocate::DefaultFlags();
ElementsKind kind = boilerplate_object->map()->elements_kind();
if (isolate()->heap()->ShouldGloballyPretenure()) {
if (data_size != 0) {
HAllocate::Flags data_flags =
static_cast<HAllocate::Flags>(HAllocate::DefaultFlags() |
static_cast<HAllocate::Flags>(HAllocate::DefaultFlags(kind) |
HAllocate::CAN_ALLOCATE_IN_OLD_DATA_SPACE);
HValue* size_in_bytes = Add<HConstant>(data_size);
data_target = Add<HAllocate>(context, size_in_bytes,
HType::JSObject(), data_flags);
data_target = Add<HAllocate>(context, size_in_bytes, HType::JSObject(),
data_flags);
Handle<Map> free_space_map = isolate()->factory()->free_space_map();
AddStoreMapConstant(data_target, free_space_map);
HObjectAccess access =
@ -8393,12 +8393,15 @@ HInstruction* HOptimizedGraphBuilder::BuildFastLiteral(
AddStore(data_target, access, size_in_bytes);
}
if (pointer_size != 0) {
flags = static_cast<HAllocate::Flags>(
flags | HAllocate::CAN_ALLOCATE_IN_OLD_POINTER_SPACE);
HAllocate::Flags pointer_flags =
static_cast<HAllocate::Flags>(HAllocate::DefaultFlags() |
HAllocate::CAN_ALLOCATE_IN_OLD_POINTER_SPACE);
HValue* size_in_bytes = Add<HConstant>(pointer_size);
target = Add<HAllocate>(context, size_in_bytes, HType::JSObject(), flags);
target = Add<HAllocate>(context, size_in_bytes, HType::JSObject(),
pointer_flags);
}
} else {
HAllocate::Flags flags = HAllocate::DefaultFlags(kind);
HValue* size_in_bytes = Add<HConstant>(data_size + pointer_size);
target = Add<HAllocate>(context, size_in_bytes, HType::JSObject(), flags);
}