diff options
Diffstat (limited to 'ext/opcache/Optimizer/zend_inference.h')
| -rw-r--r-- | ext/opcache/Optimizer/zend_inference.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/ext/opcache/Optimizer/zend_inference.h b/ext/opcache/Optimizer/zend_inference.h index 297be8e616..ec98fcbef9 100644 --- a/ext/opcache/Optimizer/zend_inference.h +++ b/ext/opcache/Optimizer/zend_inference.h @@ -2,7 +2,7 @@ +----------------------------------------------------------------------+ | Zend Engine, e-SSA based Type & Range Inference | +----------------------------------------------------------------------+ - | Copyright (c) 1998-2018 The PHP Group | + | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | @@ -238,6 +238,14 @@ DEFINE_SSA_OP_DEF_INFO(result) #define OP2_DATA_DEF_INFO() (_ssa_op2_def_info(op_array, ssa, (opline+1))) #define RES_INFO() (_ssa_result_def_info(op_array, ssa, opline)) +static zend_always_inline zend_bool zend_add_will_overflow(zend_long a, zend_long b) { + return (b > 0 && a > ZEND_LONG_MAX - b) + || (b < 0 && a < ZEND_LONG_MIN - b); +} +static zend_always_inline zend_bool zend_sub_will_overflow(zend_long a, zend_long b) { + return (b > 0 && a < ZEND_LONG_MIN + b) + || (b < 0 && a > ZEND_LONG_MAX + b); +} BEGIN_EXTERN_C() @@ -269,11 +277,3 @@ int zend_may_throw(const zend_op *opline, zend_op_array *op_array, zend_ssa *ssa END_EXTERN_C() #endif /* ZEND_INFERENCE_H */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |