Hi all!
I'm trying to understand the full-codegen compiler in v8.
Ok, I've taken the full-codegen code for x64 architecture.
As I can see in code, it does following things:
Build x64 frame
Allocate locals
And then allocate context <- this is magic for me
The code's:
// Possibly allocate a local context.
if (info->scope()->num_heap_slots() > 0) {
Comment cmnt(masm_, "[ Allocate context");
bool need_write_barrier = true;
int slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS;
// Argument to NewContext is the function, which is still in rdi.
...
What does the full-codegen does here?
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