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Improve ZEND_VM_SMART_BRANCH()

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This commit is contained in:
Dmitry Stogov
2018-09-19 11:47:02 +03:00
parent 10a1cfd17e
commit b137441f0e
1 changed files with 16 additions and 17 deletions
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Zend/zend_execute.c
+16 -17
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@@ -3453,29 +3453,29 @@ static zend_never_inline int ZEND_FASTCALL zend_quick_check_constant(
OPLINE = opline; \
ZEND_VM_CONTINUE()
# define ZEND_VM_SMART_BRANCH(_result, _check) do { \
int __result; \
if (EXPECTED((opline+1)->opcode == ZEND_JMPZ)) { \
__result = (_result); \
} else if (EXPECTED((opline+1)->opcode == ZEND_JMPNZ)) { \
__result = !(_result); \
} else { \
if ((_check) && UNEXPECTED(EG(exception))) { \
break; \
} \
if ((_check) && UNEXPECTED(EG(exception))) { \
ZVAL_UNDEF(EX_VAR(opline->result.var)); \
HANDLE_EXCEPTION(); \
} \
if (__result) { \
ZEND_VM_SET_NEXT_OPCODE(opline + 2); \
if (EXPECTED((opline+1)->opcode == ZEND_JMPZ)) { \
if (_result) { \
ZEND_VM_SET_NEXT_OPCODE(opline + 2); \
} else { \
ZEND_VM_SET_OPCODE(OP_JMP_ADDR(opline + 1, (opline+1)->op2)); \
} \
} else if (EXPECTED((opline+1)->opcode == ZEND_JMPNZ)) { \
if (!(_result)) { \
ZEND_VM_SET_NEXT_OPCODE(opline + 2); \
} else { \
ZEND_VM_SET_OPCODE(OP_JMP_ADDR(opline + 1, (opline+1)->op2)); \
} \
} else { \
ZEND_VM_SET_OPCODE(OP_JMP_ADDR(opline + 1, (opline+1)->op2)); \
break; \
} \
ZEND_VM_CONTINUE(); \
} while (0)
# define ZEND_VM_SMART_BRANCH_JMPZ(_result, _check) do { \
if ((_check) && UNEXPECTED(EG(exception))) { \
ZVAL_UNDEF(EX_VAR(opline->result.var)); \
HANDLE_EXCEPTION(); \
break; \
} \
if (_result) { \
ZEND_VM_SET_NEXT_OPCODE(opline + 2); \
@@ -3486,8 +3486,7 @@ static zend_never_inline int ZEND_FASTCALL zend_quick_check_constant(
} while (0)
# define ZEND_VM_SMART_BRANCH_JMPNZ(_result, _check) do { \
if ((_check) && UNEXPECTED(EG(exception))) { \
ZVAL_UNDEF(EX_VAR(opline->result.var)); \
HANDLE_EXCEPTION(); \
break; \
} \
if (!(_result)) { \
ZEND_VM_SET_NEXT_OPCODE(opline + 2); \