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LibWasm: Make Frame a value type as well

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This means stack operations will no longer do extra allocations.
This commit is contained in:
Ali Mohammad Pur 2021-05-23 21:42:19 +04:30 • committed by Ali Mohammad Pur
parent 73eb0785e0
commit bc936a5fac
6 changed files with 53 additions and 54 deletions
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13
Userland/Libraries/LibWasm/AbstractMachine/Configuration.h
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@ -18,14 +18,15 @@ public:
}
Optional<Label> nth_label(size_t);
void set_frame(NonnullOwnPtr<Frame> frame)
void set_frame(Frame&& frame)
{
m_current_frame = frame.ptr();
m_current_frame_index = m_stack.size();
Label label(frame.arity(), frame.expression().instructions().size());
m_stack.push(move(frame));
m_stack.push(Label(m_current_frame->arity(), m_current_frame->expression().instructions().size()));
m_stack.push(label);
}
auto& frame() const { return m_current_frame; }
auto& frame() { return m_current_frame; }
auto& frame() const { return m_stack.entries()[m_current_frame_index].get<Frame>(); }
auto& frame() { return m_stack.entries()[m_current_frame_index].get<Frame>(); }
auto& ip() const { return m_ip; }
auto& ip() { return m_ip; }
auto& depth() const { return m_depth; }
@ -45,7 +46,7 @@ public:
private:
Store& m_store;
Frame* m_current_frame { nullptr };
size_t m_current_frame_index { 0 };
Stack m_stack;
size_t m_depth { 0 };
InstructionPointer m_ip;