Separate cold paths of ISSET_ISEMPTY_DIM_OBJ

Added tracer to collect frequency of opcode handler call chains

Avoid live range references in opcodes

Don't store the live range of the freed variable for FREE_ON_RETURN
frees, instead look it up at runtime. As this is an extremely
unlikely code

Avoid live range references in opcodes

Don't store the live range of the freed variable for FREE_ON_RETURN
frees, instead look it up at runtime. As this is an extremely
unlikely codepath (in particular, it requires a loop variable with
a throwing destructor), saving the runtime lookup of the live range
is not worth the extra complexity this adds everywhere else.

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Move exceptional code into "cold" helpers

Use Z_TYPE_INFO_REFCOUNTED() macro

Moved "zval.u2.cache_slot" into free room of "zend_op"

Avoid repeatable ARG_SHOULD_BE_SENT_BY_REF() checks in FETCH_*FUNC_ARG and following SEND_VAR_EX. Perform the check once in a new CHECK_FUNC_ARG opcode and reuse in the following FETCH_*FUNC_ARG and

Avoid repeatable ARG_SHOULD_BE_SENT_BY_REF() checks in FETCH_*FUNC_ARG and following SEND_VAR_EX. Perform the check once in a new CHECK_FUNC_ARG opcode and reuse in the following FETCH_*FUNC_ARG and SEND_FUNC_ARG (SEND_VAR_EX replacement).

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Break dependency between IS_TYPE_REFCOUNTED and ZEND_CALL_FREE_EXTRA_ARGS

Avoid redundand mask extraction

Change FETCH/ISSET instruction modifiers:
- Get rid of ZEND_ISEMPTY and ZEND_ISSET_ISEMPTY_MASK. Use just single ZEND_ISSET bit to make distinct between isset() and empty()
- Use ZEND_FETCH_G

Change FETCH/ISSET instruction modifiers:
- Get rid of ZEND_ISEMPTY and ZEND_ISSET_ISEMPTY_MASK. Use just single ZEND_ISSET bit to make distinct between isset() and empty()
- Use ZEND_FETCH_GLOBAL, ZEND_FETCH_LOCAL and ZEND_FETCH_GLOBAL_LOCK as bitmask
- Removed unused ZEND_FETCH_STANDARD
- Extended ZEND_FETCH_ARG_MASK

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Expand SEPARATE_STRING()

Eliminate duplication, increment_string() performs it anyway.

Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse. (reapply 781e1573afdc7c336b3577ceabc9c65cafea17e8, now

Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse. (reapply 781e1573afdc7c336b3577ceabc9c65cafea17e8, now it should be OK).

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Revert "Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse." (this patch is incomplete or wrong)

Revert "Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse." (this patch is incomplete or wrong)

This reverts commit 781e1573afdc7c336b3577ceabc9c65cafea17e8.

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Use ZEND_CLOSURE_OBJECT() macro to resolve closure op_array to closure object through address calculation, instead of op_array->prototype reuse.

Trailing whitespaces

Signed-off-by: Gabriel Caruso <carusogabriel34@gmail.com>

year++

year++

year++

Combine READY_TO_DESTROY, EXTRACT_ZVAL_PTR and FREE_OP_VAR_PTR into single, better optimized, macro.

Separate exceptional code into cold functions.

Manual loop optimizaton.
Cost of the loops body is still the same, but the loop headers are improved.

Disable some "bad" GCC optimizations

Implement list() reference assignments

Support list() reference assignments of the form:

list(&$a, list(&$b, $c)) = $d;

RFC: https://wiki.php.net/rfc/list_reference_ass

Implement list() reference assignments

Support list() reference assignments of the form:

list(&$a, list(&$b, $c)) = $d;

RFC: https://wiki.php.net/rfc/list_reference_assignment

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Cleanup type conversion