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Merge branch 'PHP-8.0' into PHP-8.1

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* PHP-8.0:
  JIT: Fix incorrect type store elimination
This commit is contained in:
Dmitry Stogov 2022-01-28 16:28:44 +03:00
commit a23f3dd010
2 changed files with 27 additions and 2 deletions
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6
ext/opcache/jit/zend_jit_trace.c
View file

@ -4867,14 +4867,16 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
break;
}
op2_addr = OP2_REG_ADDR();
op2_info = OP2_INFO();
if (ra
&& ssa_op->op2_def >= 0
&& !ssa->vars[ssa_op->op2_def].no_val) {
&& (!ssa->vars[ssa_op->op2_def].no_val
|| (zend_jit_trace_type_to_info(STACK_MEM_TYPE(stack, EX_VAR_TO_NUM(opline->op2.var))) & MAY_BE_ANY) !=
(op2_info & MAY_BE_ANY))) {
op2_def_addr = OP2_DEF_REG_ADDR();
} else {
op2_def_addr = op2_addr;
}
op2_info = OP2_INFO();
CHECK_OP2_TRACE_TYPE();
op1_info = OP1_INFO();
if ((op1_info & (MAY_BE_ANY|MAY_BE_UNDEF|MAY_BE_GUARD)) == MAY_BE_LONG

23
ext/opcache/tests/jit/assign_050.phpt Normal file
View file

@ -0,0 +1,23 @@
--TEST--
JIT ASSIGN: incorrect type store elimination
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.file_update_protection=0
opcache.jit_buffer_size=1M
opcache.protect_memory=1
--FILE--
<?php
function foo($a) {
$b = $a;
$b =! $a = $a + $b & $b & $b = $b = $a = $a + $b & $a += $a;
$b = $b = $a = $a + $b & $b & $b = $a = $a + $b = $b = $a = $a + $b = $a += $a;
}
for ($i = 0; $i < 3; $i++) {
@foo(39087589046889428661);
}
?>
DONE
--EXPECT--
DONE