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| author | Jean Boussier <[email protected]> | 2025-06-13 11:23:32 +0200 |
|---|---|---|
| committer | Jean Boussier <[email protected]> | 2025-06-13 19:46:29 +0200 |
| commit | a99d941cacbb9d5d277400abf76f5648f91009ea () | |
| tree | 062e514cbaf393b275e5c111c7ace438bfed08be /shape.h | |
| parent | fb0dbbc0e660d0c77ebba292578945aca8baafac (diff) | |
Add SHAPE_ID_HAS_IVAR_MASK for quick ivar check
This allow checking if an object has ivars with just a shape_id mask.
Notes: Merged: https://.com/ruby/ruby/pull/13606
| -rw-r--r-- | shape.h | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -23,6 +23,10 @@ STATIC_ASSERT(shape_id_num_bits, SHAPE_ID_NUM_BITS == sizeof(shape_id_t) * CHAR_ #define SHAPE_ID_HEAP_INDEX_MAX ((1 << SHAPE_ID_HEAP_INDEX_BITS) - 1) #define SHAPE_ID_HEAP_INDEX_MASK (SHAPE_ID_HEAP_INDEX_MAX << SHAPE_ID_HEAP_INDEX_OFFSET) // The interpreter doesn't care about frozen status or slot size when reading ivars. // So we normalize shape_id by clearing these bits to improve cache hits. // JITs however might care about it. @@ -327,6 +331,18 @@ rb_shape_obj_has_id(VALUE obj) return rb_shape_has_object_id(RBASIC_SHAPE_ID(obj)); } // For ext/objspace RUBY_SYMBOL_EXPORT_BEGIN typedef void each_shape_callback(shape_id_t shape_id, void *data); |