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952 Commits

Author SHA1 Message Date
Nikita Popov
df1439241a Simplify code 
If operator overloading is ignored tmp will be 0 and we can still
use |=. No need to separate this into two cases.
 2018-02-19 21:38:10 +01:00
Dmitry Stogov
a02a126d54 Allow optional ignorance of operator overlaoding. Optimizer takes into account possibility of operator overloading at default optimization level, but ignores this possibility at "unsafe" level (opcache.optimization_level=-1). 2018-02-19 12:21:43 +03:00
Nikita Popov
48c0662876 Merge branch 'PHP-7.2' 2018-02-18 17:43:08 +01:00
Nikita Popov
500632ac13 Fix pfsockopen() func info 2018-02-18 17:42:12 +01:00
Nikita Popov
c0abab5fca Fix ZEND_SL range inference 
This is a bit tricker than right shifts because shifting in the
sign bit flips the sign. The computed bounds are not tight.
 2018-02-18 17:42:12 +01:00
Nikita Popov
202989edf8 Fix ZEND_SR range inference 
Handle out-of-range RHS correctly.
 2018-02-18 17:42:12 +01:00
Nikita Popov
40ff001381 Fix constant() func info 
Since PHP 5.6 this can also be an array.
 2018-02-18 17:42:11 +01:00
Nikita Popov
c404b27135 Fix pg_pconnect() func info 2018-02-18 16:22:17 +01:00
Nikita Popov
1b54a62fcf Fix gettext func infos 2018-02-18 16:22:16 +01:00
Nikita Popov
a5fa7555dd More mysqli func info fixes 
Mainly changing resource returns to objects
 2018-02-18 15:34:16 +01:00
Nikita Popov
85597e2932 Merge branch 'PHP-7.2' 2018-02-18 15:34:04 +01:00
Nikita Popov
ae837db8cf Handle overloaded GMP operators in type inference 2018-02-18 15:33:30 +01:00
Nikita Popov
39974dd65d Disable negative range inference 
The negative range inference implementation does not work correctly,
and it's not clear right now how it can be fixed. As such, disable
it entirely for now.
 2018-02-18 15:33:28 +01:00
Nikita Popov
b889ff309b Fix lcfirst() + ucfirst() func info 
These may return the original string
 2018-02-17 23:22:44 +01:00
Nikita Popov
ea1a51f71b Fix bcpowmod() func_info 
Returns false on error
 2018-02-17 23:22:44 +01:00
Nikita Popov
9c4783cbd3 Fix error_get_last() func info 2018-02-17 23:22:44 +01:00
Nikita Popov
d59c45d112 Fix mysqli_connect() func info 
This function returns an object, not a resource...
 2018-02-17 23:22:44 +01:00
Nikita Popov
50def51d19 Fix bcscale() function info 
Master only: This function now returns the old scale.
 2018-02-17 23:22:43 +01:00
Nikita Popov
2cd40b3aed Merge branch 'PHP-7.2' 2018-02-17 23:21:31 +01:00
Nikita Popov
846e8a3ec9 Fix COUNT range inference 
count() on objects may return a negative number :(
 2018-02-17 23:18:30 +01:00
Nikita Popov
fa7c23ba27 Fix hash_init() and hash_copy() func info 
These functions were switched to use objects instead of resources.
 2018-02-17 23:18:29 +01:00
Nikita Popov
acb9426a6b Fix curl_multi_close() func info 
Returns false on failure
 2018-02-17 23:18:29 +01:00
Nikita Popov
8bdf9905da Fix get_object_vars() func info 
Numeric keys will be converted to integer nowadays.
 2018-02-17 23:18:29 +01:00
Nikita Popov
1a50a50bcf Add RC flags in init_func_return_info 2018-02-17 23:18:29 +01:00
Nikita Popov
fd5644cd0b Fix array_values() and array_keys() func info 
Can return RCN for empty/packed arrays
 2018-02-17 23:18:28 +01:00
Nikita Popov
38bee72e40 Fix DCE of throwing NEWs 2018-02-17 14:51:11 +01:00
Nikita Popov
ef10dfc31d Fix another bug in coalesce elimination 2018-02-17 14:51:11 +01:00
Nikita Popov
257f07ef6d Fix COALESCE jump optimization 2018-02-17 12:42:21 +01:00
Nikita Popov
b0af9ac733 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.
 2018-02-16 21:30:48 +01:00
Nikita Popov
07ad75ca96 Merge branch 'PHP-7.2' 2018-02-16 20:31:01 +01:00
Nikita Popov
0674d677bc Merge branch 'PHP-7.1' into PHP-7.2 2018-02-16 20:30:49 +01:00
Nikita Popov
372bf8a923 Fixed bug #75969 
Move NOP stripping out of zend_optimize_block: NOP stripping may
move instructions, which may invalidate a Tsource shared across
an extended basic block.
 2018-02-16 20:30:03 +01:00
Nikita Popov
d05ac8f610 Merge branch 'PHP-7.2' 2018-02-09 15:11:42 +01:00
Nikita Popov
7aac61ce76 Fixed bug #75938 
New modulus range inference implementation has been verified using
https://gist.github.com/nikic/67947ff92cf0e1f7e931f2f0d4cf817f.

The computed bounds are not tight, but it seems to be very hard to
compute tight bounds on modulus operations.
 2018-02-09 15:10:23 +01:00
Gabriel Caruso
2d48d734a2 Fix some misspellings 2018-02-06 16:59:00 +01:00
Nikita Popov
39c5857135 Merge branch 'PHP-7.2' 2018-02-05 21:43:50 +01:00
Nikita Popov
1391a0fa0b Fixed bug #75893 
It is not sufficient to just add the additional types for aliased
variables at the end of type inference, because types of derived
variables may depend on them. Make sure the additional types are
always added whenever the type of an aliased variable is updated.
 2018-02-05 21:41:44 +01:00
Nikita Popov
aa7dbc8ee7 Merge branch 'PHP-7.2' 2018-02-05 21:10:12 +01:00
Nikita Popov
d9e71169e6 Fixed bug #75729 
Don't try to evaluate substr() and strpos() at compile-time if
mbstring function overloading is enabled. I'm reusing the
COMPILE_NO_BUILTIN_STRLEN for the detection of mbstring function
overloading here, even if it's technically only about strlen()...
 2018-02-05 21:08:18 +01:00
Dmitry Stogov
ca035f26aa Moved "zval.u2.cache_slot" into free room of "zend_op" 2018-02-05 19:41:47 +03:00
Dmitry Stogov
3a794d39f0 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). 2018-02-05 19:40:06 +03:00
Dmitry Stogov
8c977c3430 typo 2018-02-01 17:46:30 +03:00
Dmitry Stogov
ba298725d1 Changed CATCH instruction format (extended_value moved into op2, op2 into result, result into extended_value) 2018-01-31 22:39:30 +03:00
Dmitry Stogov
9c7fb529ce Changed FETCH_CONSTANT instruction format (extended_value moved into op1) 2018-01-31 18:15:25 +03:00
Dmitry Stogov
f67f455ef7 Changed FETCH_CLASS instruction format (extended_value moved into op1) 2018-01-31 18:14:43 +03:00
Dmitry Stogov
7141631cc8 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
 2018-01-30 22:06:05 +03:00
Dmitry Stogov
bf7176c70f Use reference-counting instead of duplication and separation, if really necessary. 2018-01-19 01:03:24 +03:00
Dmitry Stogov
c5c9a69447 Use ZVAL_DUP() instead of zval_copy_ctor() 2018-01-17 14:59:15 +03:00
Dmitry Stogov
c9034c3b33 Get rid of zend_op_array.early_binding 2018-01-11 19:15:52 +03:00
Nikita Popov
f208187773 Backport narrowing fix to 7.1 
This is a cherry-pick of 8a4532319d.
 2018-01-09 18:41:46 +01:00