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Merge branch 'PHP-7.4'

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* PHP-7.4:
  Remove duplicated code for (PRE|POST)_DEC_(OBJ|STATIC_PROP) opcodes
This commit is contained in:
Dmitry Stogov 2019-07-09 10:47:15 +03:00
commit ee9f03fb4c
4 changed files with 1448 additions and 1864 deletions
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38
Zend/zend_vm_def.h
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@ -1156,7 +1156,7 @@ ZEND_VM_HANDLER(26, ZEND_ASSIGN_OP, VAR|CV, CONST|TMPVAR|CV, OP)
ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
}
ZEND_VM_HELPER(zend_pre_incdec_property_helper, VAR|UNUSED|CV, CONST|TMPVAR|CV)
ZEND_VM_HANDLER(132, ZEND_PRE_INC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
USE_OPLINE
zend_free_op free_op1, free_op2;
@ -1228,17 +1228,12 @@ ZEND_VM_C_LABEL(pre_incdec_object):
ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
}
ZEND_VM_HANDLER(132, ZEND_PRE_INC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_pre_incdec_property_helper);
}
ZEND_VM_HANDLER(133, ZEND_PRE_DEC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_pre_incdec_property_helper);
ZEND_VM_DISPATCH_TO_HANDLER(ZEND_PRE_INC_OBJ);
}
ZEND_VM_HELPER(zend_post_incdec_property_helper, VAR|UNUSED|CV, CONST|TMPVAR|CV)
ZEND_VM_HANDLER(134, ZEND_POST_INC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
USE_OPLINE
zend_free_op free_op1, free_op2;
@ -1309,18 +1304,13 @@ ZEND_VM_C_LABEL(post_incdec_object):
ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
}
ZEND_VM_HANDLER(134, ZEND_POST_INC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_post_incdec_property_helper);
}
ZEND_VM_HANDLER(135, ZEND_POST_DEC_OBJ, VAR|UNUSED|THIS|CV, CONST|TMPVAR|CV, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_post_incdec_property_helper);
ZEND_VM_DISPATCH_TO_HANDLER(ZEND_POST_INC_OBJ);
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HELPER(zend_pre_incdec_static_property_helper, ANY, ANY)
ZEND_VM_HANDLER(38, ZEND_PRE_INC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
USE_OPLINE
zval *prop;
@ -1338,20 +1328,14 @@ ZEND_VM_HELPER(zend_pre_incdec_static_property_helper, ANY, ANY)
ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HANDLER(38, ZEND_PRE_INC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_pre_incdec_static_property_helper);
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HANDLER(39, ZEND_PRE_DEC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_pre_incdec_static_property_helper);
ZEND_VM_DISPATCH_TO_HANDLER(ZEND_PRE_INC_STATIC_PROP);
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HELPER(zend_post_incdec_static_property_helper, ANY, ANY)
ZEND_VM_HANDLER(40, ZEND_POST_INC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
USE_OPLINE
zval *prop;
@ -1369,16 +1353,10 @@ ZEND_VM_HELPER(zend_post_incdec_static_property_helper, ANY, ANY)
ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HANDLER(40, ZEND_POST_INC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_post_incdec_static_property_helper);
}
/* No specialization for op_types (CONST|TMPVAR|CV, UNUSED|CONST|VAR) */
ZEND_VM_HANDLER(41, ZEND_POST_DEC_STATIC_PROP, ANY, ANY, CACHE_SLOT)
{
ZEND_VM_DISPATCH_TO_HELPER(zend_post_incdec_static_property_helper);
ZEND_VM_DISPATCH_TO_HANDLER(ZEND_POST_INC_STATIC_PROP);
}
ZEND_VM_HANDLER(34, ZEND_PRE_INC, VAR|CV, ANY, SPEC(RETVAL))

790
Zend/zend_vm_execute.h
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File diff suppressed because it is too large Load Diff

36
Zend/zend_vm_gen.php
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@ -1061,6 +1061,10 @@ function is_inline_hybrid_handler($name, $hot, $op1, $op2, $extra_spec) {
function gen_handler($f, $spec, $kind, $name, $op1, $op2, $use, $code, $lineno, $opcode, $extra_spec = null, &$switch_labels = array()) {
global $definition_file, $prefix, $opnames, $gen_order;
if (isset($opcode['alias']) && ($spec || $kind != ZEND_VM_KIND_SWITCH)) {
return;
}
if ($spec && skip_extra_spec_function($op1, $op2, $extra_spec)) {
return;
}
@ -1204,7 +1208,7 @@ function gen_null_label($f, $kind, $prolog) {
// Generates array of opcode handlers (specialized or unspecialized)
function gen_labels($f, $spec, $kind, $prolog, &$specs, $switch_labels = array()) {
global $opcodes, $op_types, $prefix, $op_types_ex;
global $opcodes, $opnames, $op_types, $prefix, $op_types_ex;
$list = [];
$next = 0;
@ -1214,6 +1218,10 @@ function gen_labels($f, $spec, $kind, $prolog, &$specs, $switch_labels = array()
// For each opcode in opcode number order
foreach($opcodes as $num => $dsc) {
if (isset($dsc['alias'])) {
$specs[$num] = $specs[$opnames[$dsc['alias']]];
continue;
}
$specs[$num] = "$label";
$spec_op1 = $spec_op2 = $spec_extra = false;
$def_op1_type = $def_op2_type = "ANY";
@ -1425,8 +1433,18 @@ function gen_labels($f, $spec, $kind, $prolog, &$specs, $switch_labels = array()
}
$next = $num+1;
//ugly trick for ZEND_VM_DEFINE_OP
if ($dsc["code"]) {
if (isset($dsc['alias']) && $kind != ZEND_VM_KIND_SWITCH) {
// Emit pointer to unspecialized handler
switch ($kind) {
case ZEND_VM_KIND_CALL:
out($f,$prolog.$dsc['alias']."_HANDLER,\n");
break;
case ZEND_VM_KIND_GOTO:
out($f,$prolog."(void*)&&".$dsc['alias']."_LABEL,\n");
break;
}
$list[] = $dsc["op"];
} else if ($dsc["code"]) { //ugly trick for ZEND_VM_DEFINE_OP
// Emit pointer to unspecialized handler
switch ($kind) {
case ZEND_VM_KIND_CALL:
@ -2496,7 +2514,17 @@ function gen_vm($def, $skel) {
// Search for opcode handlers those are used by other opcode handlers
foreach ($opcodes as $dsc) {
if (preg_match_all("/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m", $dsc["code"], $mm, PREG_SET_ORDER)) {
if (preg_match("/^\s*{\s*ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)\s*;\s*}\s*/", $dsc["code"], $m)) {
$op = $m[1];
if (!isset($opnames[$op])) {
die("ERROR ($def:$lineno): Opcode with name '$op' is not defined.\n");
}
$opcodes[$opnames[$dsc['op']]]['alias'] = $op;
if (!ZEND_VM_SPEC && ZEND_VM_KIND == ZEND_VM_KIND_SWITCH) {
$code = $opnames[$op];
$opcodes[$code]['use'] = 1;
}
} else if (preg_match_all("/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m", $dsc["code"], $mm, PREG_SET_ORDER)) {
foreach ($mm as $m) {
$op = $m[1];
if (!isset($opnames[$op])) {

2448
Zend/zend_vm_handlers.h
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File diff suppressed because it is too large Load Diff