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| author | Xinchen Hui <laruence@php.net> | 2014-12-21 22:35:25 -0500 |
|---|---|---|
| committer | Xinchen Hui <laruence@php.net> | 2014-12-21 22:35:25 -0500 |
| commit | 201e1b8a8d22b244b4e22d239db55ea85ccc6983 (patch) | |
| tree | 63c4f3c32a8e69b174f71ef47f7cb246f9c8a475 /Zend | |
| parent | 0adceaa87b908d077a140c56050cfdb6e7e6fb62 (diff) | |
| download | php-git-201e1b8a8d22b244b4e22d239db55ea85ccc6983.tar.gz | |
Micro optimizations
Diffstat (limited to 'Zend')
| -rw-r--r-- | Zend/zend_operators.c | 35 | ||||
| -rw-r--r-- | Zend/zend_operators.h | 18 |
2 files changed, 25 insertions, 28 deletions
diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c index 23f3ddcf7f..9688e95414 100644 --- a/Zend/zend_operators.c +++ b/Zend/zend_operators.c @@ -467,7 +467,7 @@ ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC) /* {{{ */ break; case IS_RESOURCE: { char buf[sizeof("Resource id #") + MAX_LENGTH_OF_LONG]; - int len = snprintf(buf, sizeof(buf), "Resource id #" ZEND_LONG_FMT, Z_RES_HANDLE_P(op)); + int len = snprintf(buf, sizeof(buf), "Resource id #" ZEND_LONG_FMT, (zend_long)Z_RES_HANDLE_P(op)); ZVAL_NEW_STR(op, zend_string_init(buf, len, 0)); break; } @@ -742,7 +742,7 @@ try_again: char buf[sizeof("Resource id #") + MAX_LENGTH_OF_LONG]; int len; - len = snprintf(buf, sizeof(buf), "Resource id #" ZEND_LONG_FMT, Z_RES_HANDLE_P(op)); + len = snprintf(buf, sizeof(buf), "Resource id #" ZEND_LONG_FMT, (zend_long)Z_RES_HANDLE_P(op)); return zend_string_init(buf, len, 0); } case IS_LONG: { @@ -1815,7 +1815,7 @@ ZEND_API int compare_function(zval *result, zval *op1, zval *op2) /* {{{ */ ZVAL_LONG(result, 0); return SUCCESS; } - zendi_smart_strcmp(result, op1, op2); + ZVAL_LONG(result, zendi_smart_strcmp(op1, op2)); return SUCCESS; case TYPE_PAIR(IS_NULL, IS_STRING): @@ -2539,15 +2539,15 @@ ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3) /* {{{ * } /* }}} */ -ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2) /* {{{ */ +ZEND_API zend_long zendi_smart_strcmp(zval *s1, zval *s2) /* {{{ */ { int ret1, ret2; int oflow1, oflow2; zend_long lval1 = 0, lval2 = 0; double dval1 = 0.0, dval2 = 0.0; - if ((ret1=is_numeric_string_ex(Z_STRVAL_P(s1), Z_STRLEN_P(s1), &lval1, &dval1, 0, &oflow1)) && - (ret2=is_numeric_string_ex(Z_STRVAL_P(s2), Z_STRLEN_P(s2), &lval2, &dval2, 0, &oflow2))) { + if ((ret1 = is_numeric_string_ex(Z_STRVAL_P(s1), Z_STRLEN_P(s1), &lval1, &dval1, 0, &oflow1)) && + (ret2 = is_numeric_string_ex(Z_STRVAL_P(s2), Z_STRLEN_P(s2), &lval2, &dval2, 0, &oflow2))) { #if ZEND_ULONG_MAX == 0xFFFFFFFF if (oflow1 != 0 && oflow1 == oflow2 && dval1 - dval2 == 0. && ((oflow1 == 1 && dval1 > 9007199254740991. /*0x1FFFFFFFFFFFFF*/) @@ -2559,18 +2559,16 @@ ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2) /* {{{ */ * double comparison may have resulted in crucial accuracy lost */ goto string_cmp; } - if ((ret1==IS_DOUBLE) || (ret2==IS_DOUBLE)) { - if (ret1!=IS_DOUBLE) { + if ((ret1 == IS_DOUBLE) || (ret2 == IS_DOUBLE)) { + if (ret1 != IS_DOUBLE) { if (oflow2) { /* 2nd operand is integer > LONG_MAX (oflow2==1) or < LONG_MIN (-1) */ - ZVAL_LONG(result, -1 * oflow2); - return; + return -1 * oflow2; } dval1 = (double) lval1; - } else if (ret2!=IS_DOUBLE) { + } else if (ret2 != IS_DOUBLE) { if (oflow1) { - ZVAL_LONG(result, oflow1); - return; + return oflow1; } dval2 = (double) lval2; } else if (dval1 == dval2 && !zend_finite(dval1)) { @@ -2578,15 +2576,16 @@ ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2) /* {{{ */ * so a numeric comparison would be inaccurate */ goto string_cmp; } - Z_DVAL_P(result) = dval1 - dval2; - ZVAL_LONG(result, ZEND_NORMALIZE_BOOL(Z_DVAL_P(result))); + dval1 = dval1 - dval2; + return ZEND_NORMALIZE_BOOL(dval1); } else { /* they both have to be long's */ - ZVAL_LONG(result, lval1 > lval2 ? 1 : (lval1 < lval2 ? -1 : 0)); + return lval1 > lval2 ? 1 : (lval1 < lval2 ? -1 : 0); } } else { + int strcmp_ret; string_cmp: - Z_LVAL_P(result) = zend_binary_strcmp(Z_STRVAL_P(s1), Z_STRLEN_P(s1), Z_STRVAL_P(s2), Z_STRLEN_P(s2)); - ZVAL_LONG(result, ZEND_NORMALIZE_BOOL(Z_LVAL_P(result))); + strcmp_ret = zend_binary_strcmp(Z_STRVAL_P(s1), Z_STRLEN_P(s1), Z_STRVAL_P(s2), Z_STRLEN_P(s2)); + return ZEND_NORMALIZE_BOOL(strcmp_ret); } } /* }}} */ diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h index b9baa5bd9a..57120228fb 100644 --- a/Zend/zend_operators.h +++ b/Zend/zend_operators.h @@ -337,7 +337,7 @@ ZEND_API int zend_binary_strncasecmp(const char *s1, size_t len1, const char *s2 ZEND_API int zend_binary_strcasecmp_l(const char *s1, size_t len1, const char *s2, size_t len2); ZEND_API int zend_binary_strncasecmp_l(const char *s1, size_t len1, const char *s2, size_t len2, size_t length); -ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2); +ZEND_API zend_long zendi_smart_strcmp(zval *s1, zval *s2); ZEND_API void zend_compare_symbol_tables(zval *result, HashTable *ht1, HashTable *ht2); ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2); ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2); @@ -878,8 +878,9 @@ static zend_always_inline int fast_mod_function(zval *result, zval *op1, zval *o return mod_function(result, op1, op2); } -static zend_always_inline int fast_equal_check_function(zval *result, zval *op1, zval *op2) +static zend_always_inline int fast_equal_check_function(zval *op1, zval *op2) { + zval result; if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) { if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) { return Z_LVAL_P(op1) == Z_LVAL_P(op2); @@ -903,13 +904,12 @@ static zend_always_inline int fast_equal_check_function(zval *result, zval *op1, return memcmp(Z_STRVAL_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op1)) == 0; } } else { - zendi_smart_strcmp(result, op1, op2); - return Z_LVAL_P(result) == 0; + return zendi_smart_strcmp(op1, op2) == 0; } } } - compare_function(result, op1, op2); - return Z_LVAL_P(result) == 0; + compare_function(&result, op1, op2); + return Z_LVAL(result) == 0; } static zend_always_inline void fast_equal_function(zval *result, zval *op1, zval *op2) @@ -944,8 +944,7 @@ static zend_always_inline void fast_equal_function(zval *result, zval *op1, zval return; } } else { - zendi_smart_strcmp(result, op1, op2); - ZVAL_BOOL(result, Z_LVAL_P(result) == 0); + ZVAL_BOOL(result, zendi_smart_strcmp(op1, op2) == 0); return; } } @@ -986,8 +985,7 @@ static zend_always_inline void fast_not_equal_function(zval *result, zval *op1, return; } } else { - zendi_smart_strcmp(result, op1, op2); - ZVAL_BOOL(result, Z_LVAL_P(result) != 0); + ZVAL_BOOL(result, zendi_smart_strcmp(op1, op2) != 0); return; } } |
