commit 43ec78f92c4c26c50a9cddabfb36de697b41d4e0
author Behdad Esfahbod <behdad@behdad.org> Fri Jun 23 10:22:30 2023 -0600
committer Behdad Esfahbod <behdad@behdad.org> Fri Jun 23 10:22:30 2023 -0600
tree aebf24ad3db6b03e3ba369ea2a828b504f19be6b
parent 154aae3af6db4c9b20060ec9e610fcdd0c1db366

[subset/cff] Cache CFF accelerator in hb_subset_plan_t

This shows 7% speedup in:
BM_subset/subset_glyphs/SourceHanSans-Regular_subset.otf/retaingids/10

src/hb-atomic.hh

diff --git a/src/hb-atomic.hh b/src/hb-atomic.hh
index a6283de..303dfe6 100644
--- a/src/hb-atomic.hh
+++ b/src/hb-atomic.hh
@@ -204,6 +204,7 @@
 
   hb_atomic_ptr_t () = default;
   constexpr hb_atomic_ptr_t (T* v) : v (v) {}
+  hb_atomic_ptr_t (const hb_atomic_ptr_t &other) = delete;
 
   void init (T* v_ = nullptr) { set_relaxed (v_); }
   void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); }