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A gentler (performance wise) allocation of buffer for temp variables.

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This commit is contained in:
Ilia Alshanetsky
2004-08-02 02:35:01 +00:00
parent dc2552a3ac
commit d746343928
1 changed files with 11 additions and 2 deletions
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13
Zend/zend_execute.c
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@@ -52,6 +52,7 @@ static void zend_extension_fcall_end_handler(zend_extension *extension, zend_op_
#define EX_T(offset) (*(temp_variable *)((char *) EX(Ts) + offset))
#define T(offset) (*(temp_variable *)((char *) Ts + offset))
#define TEMP_VAR_STACK_LIMIT 2000
/* former zend_execute_locks.h */
static inline void zend_pzval_lock_func(zval *z)
@@ -1330,7 +1331,11 @@ static int zend_check_symbol(zval **pz TSRMLS_DC)
}
#define RETURN_FROM_EXECUTE_LOOP(execute_data) \
if (EX(Ts)) efree(EX(Ts)); \
if (EX(op_array)->T < TEMP_VAR_STACK_LIMIT) { \
free_alloca(EX(Ts)); \
} else { \
efree(EX(Ts)); \
} \
EG(in_execution) = EX(original_in_execution); \
EG(current_execute_data) = EX(prev_execute_data); \
return 1; /* CHECK_ME */
@@ -1349,7 +1354,11 @@ ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
/* Initialize execute_data */
EX(fbc) = NULL;
EX(object) = NULL;
EX(Ts) = (temp_variable *) (op_array->T ? safe_emalloc(sizeof(temp_variable), op_array->T, 0) : NULL);
if (op_array->T < TEMP_VAR_STACK_LIMIT) {
EX(Ts) = (temp_variable *) do_alloca(sizeof(temp_variable) * op_array->T);
} else {
EX(Ts) = (temp_variable *) safe_emalloc(sizeof(temp_variable), op_array->T, 0);
}
EX(op_array) = op_array;
EX(original_in_execution) = EG(in_execution);
EX(prev_execute_data) = EG(current_execute_data);