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261 Commits

Author SHA1 Message Date
Dmitry Stogov
948b7f5421 Changed ZEND_FREE.op2.num and ZEND_FE_FREE.op2.num back to use live_range_offset (try_catch_offset does't work) 2015-11-11 11:12:44 +03:00
Dmitry Stogov
baf97b1fcc We don't nees zend_op_array->brk_cont_array at run-time anymore. 
Move zend_op_array->brk_cont_array into CG(context).brk_cont_array.
Use more compact zend_op_array->live_range instead of zend_op_array->brk_cont_array.
Semantic is kept unchanged.
 2015-11-10 21:48:03 +03:00
Dmitry Stogov
86a96f2cf1 Changed meaning of "op2" for ZEND_FREE, ZEND_FE_FREE, ZEND_FAST_CALL, ZEND_FAST_RET. 
Previously it was an instruction number.
Now it's an index in op_array->try_cacth_array[].
 2015-11-10 19:13:54 +03:00
Nikita Popov
83b1679b6f Merge branch 'PHP-7.0' 
Conflicts:
	ext/opcache/Optimizer/zend_optimizer.c
 2015-11-07 17:50:39 +01:00
Nikita Popov
bc3512c1d6 Fix various update_opN_const issues 2015-11-07 17:45:26 +01:00
Nikita Popov
9da456655c Refactor update_op2_const 
Combines both switches into one, to avoid having to maintain the same
opcode list twice. This also makes most of the bugs fixed by the next
commit pretty obvious.

No functional change here.
 2015-11-07 17:31:09 +01:00
Nikita Popov
603c172269 Merge branch 'PHP-7.0' 
Conflicts:
	ext/opcache/Optimizer/zend_optimizer.c
 2015-11-07 12:09:20 +01:00
Nikita Popov
99d818f1e9 Don't propagate into ops that error on non-string 
To properly support this make update_opN_const fallible -- they
are not always called through replace_with_const.
 2015-11-07 12:04:51 +01:00
Nikita Popov
00b37e718d Strip leading backslash in update_opN_const 2015-11-07 12:04:51 +01:00
Nikita Popov
632bee4abb Fix update_opX_const lowercasing 
It was lowering in-place.
 2015-11-07 12:04:51 +01:00
Dmitry Stogov
3e89c883bb Changed ZEND_CLONE->extended_value meaning to relative offset (previously it was absolute opline number) 2015-10-30 14:53:53 +03:00
Dmitry Stogov
da8e6ec4a5 Fixed incorrect instruction cleanup 2015-10-28 23:10:33 +03:00
Dmitry Stogov
3b44e40277 fixed incorrect bitmask 2015-10-28 21:26:52 +03:00
Dmitry Stogov
eb7be5379d Speed up fetching of class entries for self:: parent:: and static:: 
This is generalized solution for Bob's idea of speed up self::method() calls without ZEND_FETCH_CLASS.

At first, it adds few new opcodes to separate class related behaviour:
	FETCH_STATIC_PROP_R
	FETCH_STATIC_PROP_W
	FETCH_STATIC_PROP_RW
	FETCH_STATIC_PROP_FUNC_ARG
	FETCH_STATIC_PROP_UNSET
	FETCH_STATIC_PROP_IS
	UNSET_STATIC_PROP
	ISSET_ISEMPTY_STATIC_PROP
	FETCH_CLASS_CONSTANT

At seconds, it enables IS_UNUSED operand to fetch (self, parent or static without separate FETCH_CLASS) for new opcodes and the following ones:
	INIT_STATIC_METHOD_CALL
	NEW
	END_INSTANCEOF

Finaly, opcache optimizer had to be fixed to support new opcodes.
 2015-10-28 21:26:52 +03:00
Bob Weinand
fe08b933e4 Add support for **= in opcache optimizer 2015-09-13 12:35:35 +02:00
Xinchen Hui
5a37056efa unnecessary 1 byte allocted 2015-08-21 18:28:02 +08:00
Xinchen Hui
6e894f8b81 Merge branch 'PHP-5.6' 2015-08-11 21:44:04 +08:00
Xinchen Hui
79cd9a18b5 Fixed bug #70237 (Empty while and do-while segmentation fault with opcode on CLI enabled). 2015-08-11 21:01:56 +08:00
Dmitry Stogov
18fb424bef Fixed bug #70207 (Finally is broken with opcache) 2015-08-10 16:38:43 +03:00
Dmitry Stogov
90cb3bb7de Reduce memory usage by using bitsets instead of array of bytes. 2015-08-06 15:41:50 +03:00
Dmitry Stogov
6d681876ee Get rid of memcpy() in MAKE_NOP() 2015-08-06 15:40:40 +03:00
Nikita Popov
a717acd21a Fix RECV_VARIADIC literal compacting wrt cache slot 2015-07-26 21:22:31 +02:00
Xinchen Hui
3e479ef424 Fixed bug #70111 (Segfault when a function uses both an explicit return type and an explicit cast) 2015-07-22 22:43:30 +08:00
Dmitry Stogov
ef1b588f6a Resolve GOTO at compile time and replace it with sequnce of FREE/FE_FREE and JMP. 2015-07-10 04:44:21 +03:00
Dmitry Stogov
549e8c4959 Squashed commit of the following: 
commit 03cf871f1576f08b2348c141b209894a7bf17a86
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:31 2015 +0300

    Revert "Fixed bug #62210 (Exceptions can leak temporary variables. As a part of the fix serious refactoring was done. op_array->brk_cont_array was removed, and replaced with more general and speed efficient op_array->T_liveliness. ZEND_GOTO opcode is always replaced by ZEND_JMP at compile time). (Bob, Dmitry, Laruence)"

    This reverts commit 5ee8413259.

commit 285a68227ce3d380e821a24fa389aa5239bd3fe1
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:26 2015 +0300

    Revert "Tuned off dubugging of live ranges"

    This reverts commit 404dc93d35.

commit 93d9d11157301ee2ec99afb6f5744b126d17f637
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:17 2015 +0300

    Revert "Remove loop_var_stack"

    This reverts commit b3a4c05071.

commit ede68ebbc284aec79e3f719f2c8dbf9da6907752
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:12 2015 +0300

    Revert "ZEND_SEPARATE reuses temporaries"

    This reverts commit 1852f538b9.

commit 96d8995dc1f517fb01b481736273767509f76c47
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:10 2015 +0300

    Revert "Add assertion in liveliness computation"

    This reverts commit ed14019e8c.

commit 0649d7bfef152e6cc8e67b922534e9946c634d9c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:07 2015 +0300

    Revert "Fixed invalid live-range detection"

    This reverts commit 54f367ee2a.

commit dfe8f3851f6b04595eb089323e3492115a59363e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:04 2015 +0300

    Revert "Add test guaranteeing that loop vars are only freed after potential return type exceptions"

    This reverts commit f5db5a558d.

commit 52a94aad6f48a199358cc07f7e4f56bb73050504
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:01 2015 +0300

    Revert "Fixed exception habdling on "return" statement."

    This reverts commit 17c5315bdf.

commit 6e90ad7331901711e89c2ceb2bcab5023e5cee60
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:44:58 2015 +0300

    Revert "Fix too early terminated temporary range with break/cont/goto"

    This reverts commit cc876c04b4.

commit 7b766e44b1970e4031f75109c302c07ead2c05cb
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:44:55 2015 +0300

    Revert "Fixed exception catching on break/continue"

    This reverts commit 8c3f701eeb.
 2015-07-10 03:31:52 +03:00
Xinchen Hui
249915f938 Add comment to explaining the new check 2015-07-08 17:44:54 +08:00
Xinchen Hui
c6037bd3af Fixed bug #70012 (Exception lost with nested finally block) 2015-07-08 17:15:09 +08:00
Dmitry Stogov
5ee8413259 Fixed bug #62210 (Exceptions can leak temporary variables. As a part of the fix serious refactoring was done. op_array->brk_cont_array was removed, and replaced with more general and speed efficient op_array->T_liveliness. ZEND_GOTO opcode is always replaced by ZEND_JMP at compile time). (Bob, Dmitry, Laruence) 
Squashed commit of the following:

commit 38e22106d4
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 15:12:19 2015 +0300

    Added NEWS entry

commit 0a355935bf
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 15:06:32 2015 +0300

    Inline function, to eliminate repeatable checks

commit d937584f3a
Merge: 0341626 32677f5
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 14:35:49 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Fixed bug #70006 (cli - function with default arg = STDOUT crash output).
      Fix x86 build
      Fixed use after free on closure_call_leak_with_exception.phpt
      Fixed test

commit 0341626ea9
Merge: 74869fa dec35de
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 12:00:53 2015 +0300

    Merge branch 'temporary_cleaning' of https://github.com/laruence/php-src into temporary_cleaning

    * 'temporary_cleaning' of https://github.com/laruence/php-src:
      Fixed checkpoint get
      Fixed crash of invalid pointer derefer
      cleanup

commit 74869fa673
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 11:45:34 2015 +0300

    Fixed wrong GOTO resolution

commit dec35ded32
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 15:58:49 2015 +0800

    Fixed checkpoint get

commit b0f419540a
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:47:11 2015 +0300

    Fixed crash of invalid pointer derefer (laruence)

commit 7a428d98ca
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:35:47 2015 +0300

    Fixed identation

commit 9c3a4dce9c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:33:52 2015 +0300

    Fixed invalid size

commit 653abc670b
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 11:29:14 2015 +0800

    Fixed crash of invalid pointer derefer

commit e04500ceda
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 11:28:26 2015 +0800

    cleanup

commit 34183e1687
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:49:46 2015 +0300

    op_array->T_liveliness compression

commit 2f6ad84579
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:44:44 2015 +0300

    White spaces

commit be83f115a3
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:42:26 2015 +0300

    Identation

commit 1f5084b990
Merge: 91b620d 1adf3df
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:41:54 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Throw TypeError for invalid callback
      Fix crash when exception occurs during nested rope
      Fix crash when exception is thrown during ROPE_END
      Small cleanup in ternary compilation
      move the define to the right place
      fix ext/ldap build
      Rectify information about invalid shift warning being now ArithmeticError

commit 91b620d684
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:32:04 2015 +0300

    Replace GOTO by FREE/FE_FREE and JMP at compile time

commit 7052e56979
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 02:25:08 2015 +0300

    Use zend_regenerate_var_liveliness_info() to regenerate information after pass two.

commit ae72b0dc67
Merge: a81c4bb a919fe8
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 21:02:34 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Do not display EXT_TYPE_UNUSED in phpdbg opcodes
      Run debug build with opcache on travis

commit a81c4bb8c6
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 20:59:34 2015 +0300

    Improved algorithm. It's actually the same algorithm with second loop removed and simpler temporary data structures. The only difference may be in "re-defined" vatriable handling. Now live-range in that case started from the seconnd definition (this must be more safe).

commit 9a16810f7a
Merge: bbfbe47 001ecd3
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 17:57:45 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Simplify TMP var number decoding (without HashTable)

commit bbfbe470c8
Merge: 0bda4ab 436b01e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 17:02:01 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Avoid dangerous optimization
      Fixed JMPZNZ instruction printing
      Attempt at falling back on ldap_find_control for Mac OS

commit 0bda4abea7
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 16:05:33 2015 +0300

    Fixed live-range construction for OP_DATA opcode
    Added comments about algorithm assumtions

commit 521ad9df98
Merge: 4398dab a09dcb0
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 14:54:15 2015 +0200

    Merge branch 'master' of https://github.com/php/php-src into temporary_cleaning

commit 4398dab82f
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 13:51:27 2015 +0200

    Add a few phpt tests related to temporary cleaning

commit 739656f83f
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 14:28:49 2015 +0300

    Fixed Zend/tests/foreach_004.phpt failure (FE_FETCH shouldn't be included into TMP vatriablr live range)

commit 3df462a2bc
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 13:41:02 2015 +0300

    Improve data layout (reduce the op_array structure size on 64-bit systems)

commit 883b73c56e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 13:28:45 2015 +0300

    Removed op_array->brk_cont_array

commit ae5e58b598
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 04:22:58 2015 +0200

    Fix bug with brk_cont variable free / free loop vars via temporary liveliness info

commit b4223ca627
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 04:07:07 2015 +0200

    Fix bugs / cleanup fixes

commit ea33189d22
Author: Xinchen Hui <laruence@gmail.com>
Date:   Sun Jul 5 20:58:38 2015 +0800

    Removed useless TsTop

commit 1dbb007e4a
Merge: 550bbf8 3a8af24
Author: Xinchen Hui <laruence@gmail.com>
Date:   Sat Jul 4 15:06:44 2015 +0800

    Merge branch 'temporary_cleaning' of https://github.com/dstogov/php-src into temporary_cleaning

commit 3a8af24529
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 16:15:36 2015 +0300

    More exceptions from regular liveliness analyses (with explanation in comments).
    Mark old "unexplained" exceptions with ???.

commit ba721efa2c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 14:16:09 2015 +0300

    Print list of live temp variables (at least for internal debugging)

commit 8d1f88fe91
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 13:31:56 2015 +0300

    Use op_array->T_liveliness to free incomplete ropes and restore error_reporting level on exception

commit 80c1d0d779
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 11:05:39 2015 +0300

    Don't keep empty T_liveliness

commit 501ae8aaac
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jul 2 22:31:48 2015 +0300

    Reverted changes to Zend/zend_arena.h.
    Reuse CG(arena) instead of creating a new one.

commit a4fce36907
Merge: 6ff7246 fd0fcce
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jul 2 22:01:42 2015 +0300

    Merge branch 'temporary_cleaning' of github.com:bwoebi/php-src into temporary_cleaning

    * 'temporary_cleaning' of github.com:bwoebi/php-src:
      Fix remaining issues with compacted temporaries
      Fix regression from last commit (+1 ?!)
      Fix off-by-one (opcache may remove last ZEND_RETURN)
      Speed algorithm up, more fail safety when reusing temporaries
      Dumb bug in opcode.c (forgot to update Ts[i])
      Fix opcache support
      Exempt ROPE temporaries from freeing
      Hmm, we need temporary info for all the opcodes
      Add opcache support for cleaning in optimization step (Opcache seems to have a few unrelated issues which blow up together with that patch)
      Add proper temporary cleaning upon frame abortion
      Fix arena on small sizes (size < sizeof(zend_arena))

commit fd0fcce811
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Thu Jul 2 20:00:33 2015 +0200

    Fix remaining issues with compacted temporaries

commit 427dc58bbb
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 22:49:12 2015 +0200

    Fix regression from last commit (+1 ?!)

commit 1adcf56a6e
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 22:17:07 2015 +0200

    Fix off-by-one (opcache may remove last ZEND_RETURN)

commit 25b231b784
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 20:59:24 2015 +0200

    Speed algorithm up, more fail safety when reusing temporaries

commit 22d9d05350
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 16:48:46 2015 +0200

    Dumb bug in opcode.c (forgot to update Ts[i])

commit 6538269bfa
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 13:05:52 2015 +0200

    Fix opcache support

commit 333a7c4a88
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Sat Jun 27 22:40:21 2015 +0200

    Exempt ROPE temporaries from freeing

commit 02585f7708
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 16:20:55 2015 +0200

    Hmm, we need temporary info for all the opcodes

commit cbcaedbd78
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 01:04:09 2015 +0200

    Add opcache support for cleaning in optimization step
    (Opcache seems to have a few unrelated issues which blow up together with that patch)

commit fef649f406
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 01:02:27 2015 +0200

    Add proper temporary cleaning upon frame abortion

commit 1cec2e7271
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Thu Jun 25 23:33:21 2015 +0200

    Fix arena on small sizes (size < sizeof(zend_arena))
 2015-07-07 15:41:12 +03:00
Dmitry Stogov
436b01e379 Avoid dangerous optimization 2015-07-06 16:52:38 +03:00
Dmitry Stogov
fa1abb5677 Fixed memory leak because of incorrect 'if ();' optimization 2015-07-02 02:00:34 +03:00
Dmitry Stogov
a0b55e6a37 Cleanup (updated comments about optimization of comparison with IS_NULL) 2015-07-01 16:31:20 +03:00
Dmitry Stogov
e2baf737ae Cleanup (we don't use is_ref=1/refcount=2 trick to trigger COW in PHP-7) 2015-07-01 16:15:45 +03:00
Dmitry Stogov
4a2e40bb86 Use ZSTR_ API to access zend_string elements (this is just renaming without semantick changes). 2015-06-30 04:05:24 +03:00
Dmitry Stogov
dc588997e2 On Windows PHP may be restarted with different set of DSO extensions without SHM reset. 
This may make optimisation for entities from DSO extensions inconsistent.
 2015-06-29 18:01:01 +03:00
Dmitry Stogov
ee1e67fae6 On Windows PHP may be restarted with different set of DSO extensions without SHM reset. 
This may make optimisation for entities from DSO extensions inconsistent.
 2015-06-29 17:45:56 +03:00
Dmitry Stogov
625dba022c Don't evaluate invalid constant expressions. 2015-06-29 11:35:12 +03:00
Bob Weinand
4a4529adb0 Fix rope memory leaks upon exception 2015-06-28 15:42:15 +02:00
Xinchen Hui
e011e6fdf4 Add a comment 2015-06-17 17:33:55 +08:00
Dmitry Stogov
a524a375d9 Improved class type hints checks, by caching resolved class entries in run-time cache. 2015-06-17 12:07:43 +03:00
Nikita Popov
8542befa7b Remove ZEND_BRK/ZEND_CONT from VM 
These are no longer used at run-time now, only temporarily during
compilation.
 2015-05-23 10:51:33 +02:00
Nikita Popov
9325ada725 Embed break/continue depth into opline 
Previously a separate lval literal was used - this is probably a
leftover from the time where the break level could still be
specified dynamically.
 2015-05-23 10:51:33 +02:00
Dmitry Stogov
f186d4b8b1 Fixed build with DEBUG_COMPACT_LITERALS=1 2015-05-21 17:57:06 +03:00
Dmitry Stogov
d72a94468e Merged FE_FETCH_R[W] with the following ASSIGN[_REF] when assigne to CV. 2015-05-13 12:55:42 +03:00
Dmitry Stogov
7e5aa6b2ea Removed deprecated conditions 2015-05-13 10:09:06 +03:00
Dmitry Stogov
e6976e9ba2 Merge branch 'PHP-5.6' 
* PHP-5.6:
  Fixed bug #69549 (Memory leak with opcache.optimization_level=0xFFFFFFFF)
 2015-05-07 12:17:55 +03:00
Dmitry Stogov
329513c3a7 Merge branch 'PHP-5.5' into PHP-5.6 
* PHP-5.5:
  Fixed bug #69549 (Memory leak with opcache.optimization_level=0xFFFFFFFF)

Conflicts:
	NEWS
 2015-05-07 12:16:40 +03:00
Dmitry Stogov
8026001943 Fixed bug #69549 (Memory leak with opcache.optimization_level=0xFFFFFFFF) 2015-05-07 12:14:14 +03:00
Dmitry Stogov
94245bc14c Refactored using specialized opcodes 2015-04-27 12:24:39 +03:00
Dmitry Stogov
ca76a86fe6 Removed deprecated code 2015-04-21 11:48:43 +03:00
Xinchen Hui
5c31c8c6e5 Fixed is_callable/function_exists with disable_functions 2015-03-28 17:07:11 +08:00