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CAST to the same type mat be JIT-ed as QM_ASSIGN

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This commit is contained in:
Dmitry Stogov
2020-03-20 13:31:55 +03:00
parent a4d12f46d1
commit 166bc64caf
1 changed files with 15 additions and 0 deletions
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ext/opcache/jit/zend_jit_trace.c
+15
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@@ -1249,6 +1249,16 @@ static zend_ssa *zend_jit_trace_build_tssa(zend_jit_trace_rec *trace_buffer, uin
}
}
break;
case ZEND_CAST:
if (tssa->ops[idx].op1_use >= 0 && op1_type != IS_UNKNOWN) {
if (opline->extended_value == op1_type) {
zend_ssa_var_info *info = &ssa_var_info[ssa_ops[idx].op1_use];
if ((info->type & (MAY_BE_ANY|MAY_BE_UNDEF)) != (1 << op1_type)) {
info->type = MAY_BE_GUARD | zend_jit_trace_type_to_info_ex(op1_type, info->type);
}
}
}
break;
case ZEND_ASSIGN:
if (tssa->ops[idx].op2_use >= 0 && op2_type != IS_UNKNOWN) {
zend_ssa_var_info *info = &ssa_var_info[ssa_ops[idx].op2_use];
@@ -2136,6 +2146,11 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
goto jit_failure;
}
goto done;
case ZEND_CAST:
if (opline->extended_value != op1_type) {
break;
}
/* break missing intentionally */
case ZEND_QM_ASSIGN:
op1_addr = OP1_REG_ADDR();
if (ra