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* PHP-7.4: Add test for bug #78075, json detection
* PHP-7.4: [ci skip] Update NEWS
* PHP-7.4: [ci skip] Update year
* PHP-7.4: [ci skip] Update libmagic.patch
* PHP-7.4: Disable "bad" optimisations only for emulation loop
* PHP-7.2: Add a test for bug #65672 Ensure the internal properties cannot be overwritten
* PHP-7.3: Add a test for bug #65672 Ensure the internal properties cannot be overwritten
* PHP-7.4: Add a test for bug #65672 Ensure the internal properties cannot be overwritten
… purpose registers
* PHP-7.4: Reduce register pressure by reloading values on CPUs with few general purpose registers
* PHP-7.4: Removed useless specialization. Specialized handlers called not specialized helpers.
* PHP-7.4: Don't specialize "cold" handlers
* PHP-7.4: Fixed compilation warning
This is manual type and argument number checking code that was not covered by the zpp move to TypeErrors.
We should not run FPM tests in parallel due to port clashes.
* PHP-7.4: remove reverted commit from changelog
Instead of accepting zval and converting to string. Also rewrite the functions to make it obvious that they cannot return false.
Don't generate explicit warnings for these in two places, use usual error handling mechanism. Additionally suppress a number of warnings if the server has gone away.
We report our own errors here. Make sure these don't clog up the error queue.
krakjoe
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Apr 11, 2021
When encountering the following SSA graph:
BB1:
#2.T1 [string] = COALESCE #1.CV0($str) [null, string] BB2
BB2:
php#5.T1 [string] = QM_ASSIGN string("")
BB3:
php#7.X1 [string] = Phi(#2.X1 [string], php#5.X1 [string])
FREE php#7.T1 [string]
We would currently determine that php#7, php#5 are dead, and eliminate
the FREE and QM_ASSIGN. However, we cannot eliminate #2, as
COALESCE is also responsible for control flow.
Fix this my marking all non-CV phis as live to start with. This
can be relaxed to check the kind of the source instruction, but
I couldn't immediately come up with a case where it would be
useful.
krakjoe
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May 20, 2021
1. For statement "$a->change($a = array("a" => range(1, 5)));", the
following opcodes will be generated:
0002 ASSIGN CV0($a) V1
0003 INIT_METHOD_CALL 1 CV0($a) string("change")
0004 INIT_NS_FCALL_BY_NAME 2 string("A\range")
0005 SEND_VAL_EX int(1) 1
0006 SEND_VAL_EX int(5) 2
0007 V1 = DO_FCALL_BY_NAME
The updates in function zend_jit_init_fcall(), zend_jit_send_val() and
zend_jit_do_fcall() are made to support INIT_NS_FCALL_BY_NAME,
SEND_VAL_EX and DO_FCALL_BY_NAME respectively.
2. For method $change(), opcode RECV is used to obtain the argument:
0000 #1.CV0($config) [rc1, rcn, array of [any, ref]] = RECV 1
Accordingly the updates in functions zend_jit_recv() and
zend_jit_verify_arg_type() are made.
3. For statement "array_keys($config["a"])", the following opcodes will
be generated:
0001 INIT_NS_FCALL_BY_NAME 1 string("A\array_keys")
0002 CHECK_FUNC_ARG 1
0003 #3.V1 [ref, rc1, rcn, any] = FETCH_DIM_FUNC_ARG #1.CV0($config)
... -> #2.CV0($config) [rc1, rcn, ...
0004 SEND_FUNC_ARG #3.V1 [ref, rc1, rcn, any] 1
0005 php#4.V1 [ref, rc1, rcn, any] = DO_FCALL_BY_NAME
CHECK_FUNC_ARG and SEND_FUNC_ARG are not supported before. See the
updates in functions zend_jit_check_func_arg() and zend_jit_send_var().
Besides, a new path is covered in macro OBJ_RELEASE when leaving.
krakjoe
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May 20, 2021
The opcodes for function $foo are:
0001 INIT_FCALL 1 96 string("var_dump")
0002 #2.T1 [null, long] = FETCH_DIM_R array(...) #1.CV0($n) [...]
0003 SEND_VAL #2.T1 [null, long] 1
0004 DO_ICALL
0005 RETURN null
Opcode FETCH_DIM_R is not touched before, and the updates in function
zend_jit_fetch_dim_read() are made to support it.
As different types of arguments are used for $foo, several cases in
function zend_jit_fetch_dimension_address_inner() are covered as well.
Besides, opcode DO_ICALL can reach one site of cold code in function
zend_jit_do_fcall().
krakjoe
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May 20, 2021
Opcodes for $Test::method are:
BB0:
0000 #0.T0 [rcn, any] = FETCH_OBJ_R THIS string("prop")
0001 #1.T0 [bool] RANGE[0..1] = JMPZ_EX #0.T0 [rcn, any] BB3
BB1:
0002 #2.T1 [rcn, any] = FETCH_OBJ_R THIS string("prop")
0003 INIT_METHOD_CALL 0 #2.T1 [rcn, any] string("method2")
0004 #3.V1 [ref, rc1, rcn, any] = DO_FCALL
...
New path is covered in functions zend_jit_fetch_obj() and
zend_jit_zval_copy_deref() for FETCH_OBJ_R THIS opcode.
New path is covered in function zend_jit_init_method_call() for opcode
INIT_METHOD_CALL.
Major chagnes lie in function zend_jit_bool_jmpznz() to support opcode
JMPZ_EX.
Note that macro ZVAL_DTOR_FUNC is updated to remove the hard-coded use
of REG0.
krakjoe
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May 20, 2021
Opcodes for $test are: BB0: 0000 #1.CV0($char_code) [rc1, rcn, any] = RECV 1 BB1: 0001 #2.T1 [rc1, ...] = BW_AND #1.CV0($char_code) ... 0002 #3.T2 [bool] RANGE[0..1] = BOOL_NOT #2.T1 [rc1, ...] 0003 php#4.T1 [bool] RANGE[0..1] = IS_EQUAL #1.CV0($char_code) ... 0004 JMPZ php#4.T1 [bool] RANGE[0..1] BB3 ... New path is covered in function zend_jit_long_math_helper() for opcode BW_AND. New path is covered in function zend_jit_bool_jmpznz() for opcode BOOL_NOT. Major changes lie in functions zend_jit_cmp(), zend_jit_cmp_slow() and zend_jit_check_exception_undef_result() to support opocdes IS_EQUAL and JMPZ.
krakjoe
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Jun 24, 2021
* JIT/AArch64: Support shifted immediate As pointed out by MikePall in [1], shifted immediate value is supported. See [2]. For example, `add x0, x1, php#4096` would be encoded by DynASM into `add x0, x1, #1, lsl php#12` directly. In this patch, a helper is added to check whether an immediate value is in the two allowed ranges: (1) 0 to 4095, and (2) LSL php#12 on all the values from the first range. Note that this helper works for add/adds/sub/subs/cmp/cmn instructions. [1] LuaJIT/LuaJIT#718 [2] https://github.com/LuaJIT/LuaJIT/blob/v2.1/dynasm/dasm_arm64.lua#L342 Change-Id: I4870048b9b8e6c429b73a4803af2a3b2d5ec0fbb * Deprecatd CMP_IMM/ADD_SUB_IMM and add test cases Macros CMP_IMM and ADD_SUB_IMM are deprecated and instead we use this helper to guard the immediate encoding. Add two 64-bit only test cases, since 64-bit integers are used and tested inside. Change-Id: I0b42d4617b40372e2f4ce5b6ad31a4ddb7d89e49
krakjoe
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Nov 5, 2021
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