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Reduce cost for references to strings and resources

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This commit is contained in:
Dmitry Stogov 2019-07-10 12:27:59 +03:00
parent 2bca35eacc
commit d57d74b271
2 changed files with 9 additions and 3 deletions
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2
Zend/zend_gc.h
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@ -74,7 +74,7 @@ static zend_always_inline void gc_check_possible_root(zend_refcounted *ref)
if (GC_TYPE_INFO(ref) == IS_REFERENCE) {
zval *zv = &((zend_reference*)ref)->val;
if (!Z_REFCOUNTED_P(zv)) {
if (!Z_COLLECTABLE_P(zv)) {
return;
}
ref = Z_COUNTED_P(zv);

10
Zend/zend_types.h
View File

@ -555,9 +555,11 @@ static zend_always_inline uint32_t zval_gc_info(uint32_t gc_type_info) {
/* zval.u1.v.type_flags */
#define IS_TYPE_REFCOUNTED (1<<0)
#define IS_TYPE_COLLECTABLE (1<<1)
#if 1
/* This optimized version assumes that we have a single "type_flag" */
/* IS_TYPE_COLLECTABLE may be used only with IS_TYPE_REFCOUNTED */
# define Z_TYPE_INFO_REFCOUNTED(t) (((t) & Z_TYPE_FLAGS_MASK) != 0)
#else
# define Z_TYPE_INFO_REFCOUNTED(t) (((t) & (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT)) != 0)
@ -567,8 +569,8 @@ static zend_always_inline uint32_t zval_gc_info(uint32_t gc_type_info) {
#define IS_INTERNED_STRING_EX IS_STRING
#define IS_STRING_EX (IS_STRING | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_ARRAY_EX (IS_ARRAY | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_OBJECT_EX (IS_OBJECT | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_ARRAY_EX (IS_ARRAY | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT) | (IS_TYPE_COLLECTABLE << Z_TYPE_FLAGS_SHIFT))
#define IS_OBJECT_EX (IS_OBJECT | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT) | (IS_TYPE_COLLECTABLE << Z_TYPE_FLAGS_SHIFT))
#define IS_RESOURCE_EX (IS_RESOURCE | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_REFERENCE_EX (IS_REFERENCE | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
@ -624,12 +626,16 @@ static zend_always_inline uint32_t zval_gc_info(uint32_t gc_type_info) {
#if 1
/* This optimized version assumes that we have a single "type_flag" */
/* IS_TYPE_COLLECTABLE may be used only with IS_TYPE_REFCOUNTED */
#define Z_REFCOUNTED(zval) (Z_TYPE_FLAGS(zval) != 0)
#else
#define Z_REFCOUNTED(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_REFCOUNTED) != 0)
#endif
#define Z_REFCOUNTED_P(zval_p) Z_REFCOUNTED(*(zval_p))
#define Z_COLLECTABLE(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_COLLECTABLE) != 0)
#define Z_COLLECTABLE_P(zval_p) Z_COLLECTABLE(*(zval_p))
/* deprecated: (COPYABLE is the same as IS_ARRAY) */
#define Z_COPYABLE(zval) (Z_TYPE(zval) == IS_ARRAY)
#define Z_COPYABLE_P(zval_p) Z_COPYABLE(*(zval_p))