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| author | Dmitry Stogov <dmitry@zend.com> | 2019-04-05 00:26:20 +0300 |
|---|---|---|
| committer | Dmitry Stogov <dmitry@zend.com> | 2019-04-05 00:26:20 +0300 |
| commit | 5b34c87d181d379e4c5212a07f6b39d151508b79 (patch) | |
| tree | f03ac5379d360fc8ed1df00ae688c6145874c658 /Zend/zend_execute.c | |
| parent | 3b4d9f9d9ebd2a4f8949c79b9734772e22cb7b7b (diff) | |
| parent | d6848625d7309b76377aa50b07a5bbdb6779c042 (diff) | |
| download | php-git-5b34c87d181d379e4c5212a07f6b39d151508b79.tar.gz | |
Merge branch 'PHP-7.4'
* PHP-7.4:
Optimized "smart branch" instructions
Diffstat (limited to 'Zend/zend_execute.c')
| -rw-r--r-- | Zend/zend_execute.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c index fb19a1ac91..431c742a4f 100644 --- a/Zend/zend_execute.c +++ b/Zend/zend_execute.c @@ -4259,12 +4259,32 @@ static zend_never_inline int ZEND_FASTCALL zend_quick_check_constant( } \ ZEND_VM_CONTINUE(); \ } while (0) +#define ZEND_VM_SMART_BRANCH_TRUE() do { \ + if (EXPECTED((opline+1)->opcode == ZEND_JMPNZ)) { \ + ZEND_VM_SET_OPCODE(OP_JMP_ADDR(opline + 1, (opline+1)->op2)); \ + ZEND_VM_CONTINUE(); \ + } else if (EXPECTED((opline+1)->opcode == ZEND_JMPZ)) { \ + ZEND_VM_SET_NEXT_OPCODE(opline + 2); \ + ZEND_VM_CONTINUE(); \ + } \ + } while (0) +#define ZEND_VM_SMART_BRANCH_FALSE() do { \ + if (EXPECTED((opline+1)->opcode == ZEND_JMPNZ)) { \ + ZEND_VM_SET_NEXT_OPCODE(opline + 2); \ + ZEND_VM_CONTINUE(); \ + } else if (EXPECTED((opline+1)->opcode == ZEND_JMPZ)) { \ + ZEND_VM_SET_OPCODE(OP_JMP_ADDR(opline + 1, (opline+1)->op2)); \ + ZEND_VM_CONTINUE(); \ + } \ + } while (0) #else # define ZEND_VM_REPEATABLE_OPCODE # define ZEND_VM_REPEAT_OPCODE(_opcode) # define ZEND_VM_SMART_BRANCH(_result, _check) # define ZEND_VM_SMART_BRANCH_JMPZ(_result, _check) # define ZEND_VM_SMART_BRANCH_JMPNZ(_result, _check) +# define ZEND_VM_SMART_BRANCH_TRUE() +# define ZEND_VM_SMART_BRANCH_FASLE() #endif #ifdef __GNUC__ |