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zend_operators.h
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <[email protected]> |
| Zeev Suraski <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef ZEND_OPERATORS_H
#define ZEND_OPERATORS_H
#include <errno.h>
#include <math.h>
#include <assert.h>
#ifdef __GNUC__
#include <stddef.h>
#endif
#ifdef HAVE_IEEEFP_H
#include <ieeefp.h>
#endif
#include "zend_strtod.h"
#include "zend_multiply.h"
#if 0&&HAVE_BCMATH
#include "ext/bcmath/libbcmath/src/bcmath.h"
#endif
#define LONG_SIGN_MASK (((zend_long)1) << (8*sizeof(zend_long)-1))
BEGIN_EXTERN_C()
ZEND_API int add_function(zval *result, zval *op1, zval *op2);
ZEND_API int sub_function(zval *result, zval *op1, zval *op2);
ZEND_API int mul_function(zval *result, zval *op1, zval *op2);
ZEND_API int pow_function(zval *result, zval *op1, zval *op2);
ZEND_API int div_function(zval *result, zval *op1, zval *op2);
ZEND_API int mod_function(zval *result, zval *op1, zval *op2);
ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int boolean_not_function(zval *result, zval *op1);
ZEND_API int bitwise_not_function(zval *result, zval *op1);
ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2);
ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2);
ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2);
ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2);
ZEND_API int concat_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API zend_bool instanceof_function_ex(const zend_class_entry *instance_ce, const zend_class_entry *ce, zend_bool interfaces_only);
ZEND_API zend_bool instanceof_function(const zend_class_entry *instance_ce, const zend_class_entry *ce);
/**
* Checks whether the string "str" with length "length" is numeric. The value
* of allow_errors determines whether it's required to be entirely numeric, or
* just its prefix. Leading whitespace is allowed.
*
* The function returns 0 if the string did not contain a valid number; IS_LONG
* if it contained a number that fits within the range of a long; or IS_DOUBLE
* if the number was out of long range or contained a decimal point/exponent.
* The number's value is returned into the respective pointer, *lval or *dval,
* if that pointer is not NULL.
*
* This variant also gives information if a string that represents an integer
* could not be represented as such due to overflow. It writes 1 to oflow_info
* if the integer is larger than ZEND_LONG_MAX and -1 if it's smaller than ZEND_LONG_MIN.
*/
ZEND_API zend_uchar _is_numeric_string_ex(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors, int *oflow_info);
ZEND_API const char* zend_memnstr_ex(const char *haystack, const char *needle, size_t needle_len, char *end);
ZEND_API const char* zend_memnrstr_ex(const char *haystack, const char *needle, size_t needle_len, char *end);
END_EXTERN_C()
#if SIZEOF_ZEND_LONG == 4
# define ZEND_DOUBLE_FITS_LONG(d) (!((d) > ZEND_LONG_MAX || (d) < ZEND_LONG_MIN))
#else
/* >= as (double)ZEND_LONG_MAX is outside signed range */
# define ZEND_DOUBLE_FITS_LONG(d) (!((d) >= ZEND_LONG_MAX || (d) < ZEND_LONG_MIN))
#endif
#if ZEND_DVAL_TO_LVAL_CAST_OK
static zend_always_inline zend_long zend_dval_to_lval(double d)
{
if (EXPECTED(zend_finite(d)) && EXPECTED(!zend_isnan(d))) {
return (zend_long)d;
} else {
return 0;
}
}
#elif SIZEOF_ZEND_LONG == 4
static zend_always_inline zend_long zend_dval_to_lval(double d)
{
if (UNEXPECTED(!zend_finite(d)) || UNEXPECTED(zend_isnan(d))) {
return 0;
} else if (!ZEND_DOUBLE_FITS_LONG(d)) {
double two_pow_32 = pow(2., 32.),
dmod;
dmod = fmod(d, two_pow_32);
if (dmod < 0) {
/* we're going to make this number positive; call ceil()
* to simulate rounding towards 0 of the negative number */
dmod = ceil(dmod) + two_pow_32;
}
return (zend_long)(zend_ulong)dmod;
}
return (zend_long)d;
}
#else
static zend_always_inline zend_long zend_dval_to_lval(double d)
{
if (UNEXPECTED(!zend_finite(d)) || UNEXPECTED(zend_isnan(d))) {
return 0;
} else if (!ZEND_DOUBLE_FITS_LONG(d)) {
double two_pow_64 = pow(2., 64.),
dmod;
dmod = fmod(d, two_pow_64);
if (dmod < 0) {
/* no need to call ceil; original double must have had no
* fractional part, hence dmod does not have one either */
dmod += two_pow_64;
}
return (zend_long)(zend_ulong)dmod;
}
return (zend_long)d;
}
#endif
/* }}} */
#define ZEND_IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
#define ZEND_IS_XDIGIT(c) (((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
static zend_always_inline zend_uchar is_numeric_string_ex(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors, int *oflow_info)
{
if (*str > '9') {
return 0;
}
return _is_numeric_string_ex(str, length, lval, dval, allow_errors, oflow_info);
}
static zend_always_inline zend_uchar is_numeric_string(const char *str, size_t length, zend_long *lval, double *dval, int allow_errors) {
return is_numeric_string_ex(str, length, lval, dval, allow_errors, NULL);
}
ZEND_API zend_uchar is_numeric_str_function(const zend_string *str, zend_long *lval, double *dval);
static zend_always_inline const char *
zend_memnstr(const char *haystack, const char *needle, size_t needle_len, char *end)
{
const char *p = haystack;
const char ne = needle[needle_len-1];
ptrdiff_t off_p;
size_t off_s;
if (needle_len == 1) {
return (const char *)memchr(p, *needle, (end-p));
}
off_p = end - haystack;
off_s = (off_p > 0) ? (size_t)off_p : 0;
if (needle_len > off_s) {
return NULL;
}
if (EXPECTED(off_s < 1024 || needle_len < 3)) {
end -= needle_len;
while (p <= end) {
if ((p = (const char *)memchr(p, *needle, (end-p+1))) && ne == p[needle_len-1]) {
if (!memcmp(needle, p, needle_len-1)) {
return p;
}
}
if (p == NULL) {
return NULL;
}
p++;
}
return NULL;
} else {
return zend_memnstr_ex(haystack, needle, needle_len, end);
}
}
static zend_always_inline const void *zend_memrchr(const void *s, int c, size_t n)
{
register const unsigned char *e;
if (n <= 0) {
return NULL;
}
for (e = (const unsigned char *)s + n - 1; e >= (const unsigned char *)s; e--) {
if (*e == (const unsigned char)c) {
return (const void *)e;
}
}
return NULL;
}
static zend_always_inline const char *
zend_memnrstr(const char *haystack, const char *needle, size_t needle_len, char *end)
{
const char *p = end;
const char ne = needle[needle_len-1];
ptrdiff_t off_p;
size_t off_s;
if (needle_len == 1) {
return (const char *)zend_memrchr(haystack, *needle, (p - haystack));
}
off_p = end - haystack;
off_s = (off_p > 0) ? (size_t)off_p : 0;
if (needle_len > off_s) {
return NULL;
}
if (EXPECTED(off_s < 1024 || needle_len < 3)) {
p -= needle_len;
do {
if ((p = (const char *)zend_memrchr(haystack, *needle, (p - haystack) + 1)) && ne == p[needle_len-1]) {
if (!memcmp(needle, p, needle_len - 1)) {
return p;
}
}
} while (p-- >= haystack);
return NULL;
} else {
return zend_memnrstr_ex(haystack, needle, needle_len, end);
}
}
BEGIN_EXTERN_C()
ZEND_API int increment_function(zval *op1);
ZEND_API int decrement_function(zval *op2);
ZEND_API void convert_scalar_to_number(zval *op);
ZEND_API void _convert_to_cstring(zval *op ZEND_FILE_LINE_DC);
ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC);
ZEND_API void convert_to_long(zval *op);
ZEND_API void convert_to_double(zval *op);
ZEND_API void convert_to_long_base(zval *op, int base);
ZEND_API void convert_to_null(zval *op);
ZEND_API void convert_to_boolean(zval *op);
ZEND_API void convert_to_array(zval *op);
ZEND_API void convert_to_object(zval *op);
ZEND_API void multi_convert_to_long_ex(int argc, ...);
ZEND_API void multi_convert_to_double_ex(int argc, ...);
ZEND_API void multi_convert_to_string_ex(int argc, ...);
ZEND_API zend_long _zval_get_long_func(zval *op);
ZEND_API double _zval_get_double_func(zval *op);
ZEND_API zend_string *_zval_get_string_func(zval *op);
static zend_always_inline zend_long _zval_get_long(zval *op) {
return Z_TYPE_P(op) == IS_LONG ? Z_LVAL_P(op) : _zval_get_long_func(op);
}
static zend_always_inline double _zval_get_double(zval *op) {
return Z_TYPE_P(op) == IS_DOUBLE ? Z_DVAL_P(op) : _zval_get_double_func(op);
}
static zend_always_inline zend_string *_zval_get_string(zval *op) {
return Z_TYPE_P(op) == IS_STRING ? zend_string_copy(Z_STR_P(op)) : _zval_get_string_func(op);
}
#define zval_get_long(op) _zval_get_long((op))
#define zval_get_double(op) _zval_get_double((op))
#define zval_get_string(op) _zval_get_string((op))
ZEND_API int add_char_to_string(zval *result, const zval *op1, const zval *op2);
ZEND_API int add_string_to_string(zval *result, const zval *op1, const zval *op2);
#define convert_to_cstring(op) if (Z_TYPE_P(op) != IS_STRING) { _convert_to_cstring((op) ZEND_FILE_LINE_CC); }
#define convert_to_string(op) if (Z_TYPE_P(op) != IS_STRING) { _convert_to_string((op) ZEND_FILE_LINE_CC); }
ZEND_API int zend_is_true(zval *op);
ZEND_API int zend_object_is_true(zval *op);
#define zval_is_true(op) \
zend_is_true(op)
static zend_always_inline int i_zend_is_true(zval *op)
{
int result;
again:
switch (Z_TYPE_P(op)) {
case IS_UNDEF:
case IS_NULL:
case IS_FALSE:
result = 0;
break;
case IS_TRUE:
result = 1;
break;
case IS_LONG:
result = (Z_LVAL_P(op)?1:0);
break;
case IS_RESOURCE:
result = (Z_RES_HANDLE_P(op)?1:0);
break;
case IS_DOUBLE:
result = (Z_DVAL_P(op) ? 1 : 0);
break;
case IS_STRING:
if (Z_STRLEN_P(op) == 0
|| (Z_STRLEN_P(op)==1 && Z_STRVAL_P(op)[0]=='0')) {
result = 0;
} else {
result = 1;
}
break;
case IS_ARRAY:
result = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0);
break;
case IS_OBJECT:
result = zend_object_is_true(op);
break;
case IS_REFERENCE:
op = Z_REFVAL_P(op);
goto again;
break;
default:
result = 0;
break;
}
return result;
}
ZEND_API int compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int string_compare_function_ex(zval *result, zval *op1, zval *op2, zend_bool case_insensitive);
ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int string_case_compare_function(zval *result, zval *op1, zval *op2);
#if HAVE_STRCOLL
ZEND_API int string_locale_compare_function(zval *result, zval *op1, zval *op2);
#endif
ZEND_API void zend_str_tolower(char *str, size_t length);
ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, size_t length);
ZEND_API char *zend_str_tolower_dup(const char *source, size_t length);
ZEND_API zend_string *zend_string_tolower(zend_string *str);
ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
ZEND_API int zend_binary_zval_strcasecmp(zval *s1, zval *s2);
ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
ZEND_API int zend_binary_strcmp(const char *s1, size_t len1, const char *s2, size_t len2);
ZEND_API int zend_binary_strncmp(const char *s1, size_t len1, const char *s2, size_t len2, size_t length);
ZEND_API int zend_binary_strcasecmp(const char *s1, size_t len1, const char *s2, size_t len2);
ZEND_API int zend_binary_strncasecmp(const char *s1, size_t len1, const char *s2, size_t len2, size_t length);
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 zend_long zendi_smart_strcmp(zval *s1, zval *s2);
ZEND_API int zend_compare_symbol_tables(HashTable *ht1, HashTable *ht2);
ZEND_API int zend_compare_arrays(zval *a1, zval *a2);
ZEND_API int zend_compare_objects(zval *o1, zval *o2);
ZEND_API int zend_atoi(const char *str, int str_len);
ZEND_API zend_long zend_atol(const char *str, int str_len);
ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC);
#define convert_to_ex_master(pzv, lower_type, upper_type) \
if (Z_TYPE_P(pzv)!=upper_type) { \
SEPARATE_ZVAL_IF_NOT_REF(pzv); \
convert_to_##lower_type(pzv); \
}
#define convert_to_explicit_type(pzv, type) \
do { \
switch (type) { \
case IS_NULL: \
convert_to_null(pzv); \
break; \
case IS_LONG: \
convert_to_long(pzv); \
break; \
case IS_DOUBLE: \
convert_to_double(pzv); \
break; \
case _IS_BOOL: \
convert_to_boolean(pzv); \
break; \
case IS_ARRAY: \
convert_to_array(pzv); \
break; \
case IS_OBJECT: \
convert_to_object(pzv); \
break; \
case IS_STRING: \
convert_to_string(pzv); \
break; \
default: \
assert(0); \
break; \
} \
} while (0);
#define convert_to_explicit_type_ex(pzv, str_type) \
if (Z_TYPE_P(pzv) != str_type) { \
SEPARATE_ZVAL_IF_NOT_REF(pzv); \
convert_to_explicit_type(pzv, str_type); \
}
#define convert_to_boolean_ex(pzv) convert_to_ex_master(pzv, boolean, _IS_BOOL)
#define convert_to_long_ex(pzv) convert_to_ex_master(pzv, long, IS_LONG)
#define convert_to_double_ex(pzv) convert_to_ex_master(pzv, double, IS_DOUBLE)
#define convert_to_string_ex(pzv) convert_to_ex_master(pzv, string, IS_STRING)
#define convert_to_array_ex(pzv) convert_to_ex_master(pzv, array, IS_ARRAY)
#define convert_to_object_ex(pzv) convert_to_ex_master(pzv, object, IS_OBJECT)
#define convert_to_null_ex(pzv) convert_to_ex_master(pzv, null, IS_NULL)
#define convert_scalar_to_number_ex(pzv) \
if (Z_TYPE_P(pzv)!=IS_LONG && Z_TYPE_P(pzv)!=IS_DOUBLE) { \
SEPARATE_ZVAL_IF_NOT_REF(pzv); \
convert_scalar_to_number(pzv); \
}
#if HAVE_SETLOCALE && defined(ZEND_WIN32) && !defined(ZTS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
/* This is performance improvement of tolower() on Windows and VC2005
* Gives 10-18% on bench.php
*/
#define ZEND_USE_TOLOWER_L 1
#endif
#ifdef ZEND_USE_TOLOWER_L
ZEND_API void zend_update_current_locale(void);
#else
#define zend_update_current_locale()
#endif
/* The offset in bytes between the value and type fields of a zval */
#define ZVAL_OFFSETOF_TYPE \
(offsetof(zval, u1.type_info) - offsetof(zval, value))
static zend_always_inline int fast_increment_function(zval *op1)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
#if defined(__GNUC__) && defined(__i386__)
__asm__(
"incl (%0)\n\t"
"jno 0f\n\t"
"movl $0x0, (%0)\n\t"
"movl $0x41e00000, 0x4(%0)\n\t"
"movl %1, %c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "cc");
#elif defined(__GNUC__) && defined(__x86_64__)
__asm__(
"incq (%0)\n\t"
"jno 0f\n\t"
"movl $0x0, (%0)\n\t"
"movl $0x43e00000, 0x4(%0)\n\t"
"movl %1, %c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "cc");
#elif defined(__GNUC__) && defined(__powerpc64__)
__asm__(
"ld 14, 0(%0)\n\t"
"li 15, 1\n\t"
"li 16, 0\n\t"
"mtxer 16\n\t"
"addo. 14, 14, 15\n\t"
"std 14, 0(%0)\n\t"
"bns+ 0f\n\t"
"xor 14, 14, 14\n\t"
"lis 15, 0x43e00000@h\n\t"
"ori 15, 15, 0x43e00000@l\n\t"
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
"stw 14, 0(%0)\n\t"
"stw 15, 0x4(%0)\n\t"
#else
"stw 14, 0x4(%0)\n\t"
"stw 15, 0(%0)\n\t"
#endif
"li 14, %1\n\t"
"stw 14, %c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "r14", "r15", "r16", "cc");
#else
if (UNEXPECTED(Z_LVAL_P(op1) == ZEND_LONG_MAX)) {
/* switch to double */
ZVAL_DOUBLE(op1, (double)ZEND_LONG_MAX + 1.0);
} else {
Z_LVAL_P(op1)++;
}
#endif
return SUCCESS;
}
return increment_function(op1);
}
static zend_always_inline int fast_decrement_function(zval *op1)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
#if defined(__GNUC__) && defined(__i386__)
__asm__(
"decl (%0)\n\t"
"jno 0f\n\t"
"movl $0x00200000, (%0)\n\t"
"movl $0xc1e00000, 0x4(%0)\n\t"
"movl %1,%c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "cc");
#elif defined(__GNUC__) && defined(__x86_64__)
__asm__(
"decq (%0)\n\t"
"jno 0f\n\t"
"movl $0x00000000, (%0)\n\t"
"movl $0xc3e00000, 0x4(%0)\n\t"
"movl %1,%c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "cc");
#elif defined(__GNUC__) && defined(__powerpc64__)
__asm__(
"ld 14, 0(%0)\n\t"
"li 15, 1\n\t"
"li 16, 0\n\t"
"mtxer 16\n\t"
"subo. 14, 14, 15\n\t"
"std 14, 0(%0)\n\t"
"bns+ 0f\n\t"
"xor 14, 14, 14\n\t"
"lis 15, 0xc3e00000@h\n\t"
"ori 15, 15, 0xc3e00000@l\n\t"
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
"stw 14, 0(%0)\n\t"
"stw 15, 0x4(%0)\n\t"
#else
"stw 14, 0x4(%0)\n\t"
"stw 15, 0(%0)\n\t"
#endif
"li 14, %1\n\t"
"stw 14, %c2(%0)\n"
"0:"
:
: "r"(&op1->value),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "r14", "r15", "r16", "cc");
#else
if (UNEXPECTED(Z_LVAL_P(op1) == ZEND_LONG_MIN)) {
/* switch to double */
ZVAL_DOUBLE(op1, (double)ZEND_LONG_MIN - 1.0);
} else {
Z_LVAL_P(op1)--;
}
#endif
return SUCCESS;
}
return decrement_function(op1);
}
static zend_always_inline int fast_add_function(zval *result, zval *op1, zval *op2)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
#if defined(__GNUC__) && defined(__i386__)
__asm__(
"movl (%1), %%eax\n\t"
"addl (%2), %%eax\n\t"
"jo 0f\n\t"
"movl %%eax, (%0)\n\t"
"movl %3, %c5(%0)\n\t"
"jmp 1f\n"
"0:\n\t"
"fildl (%1)\n\t"
"fildl (%2)\n\t"
"faddp %%st, %%st(1)\n\t"
"movl %4, %c5(%0)\n\t"
"fstpl (%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "eax","cc");
#elif defined(__GNUC__) && defined(__x86_64__)
__asm__(
"movq (%1), %%rax\n\t"
"addq (%2), %%rax\n\t"
"jo 0f\n\t"
"movq %%rax, (%0)\n\t"
"movl %3, %c5(%0)\n\t"
"jmp 1f\n"
"0:\n\t"
"fildq (%1)\n\t"
"fildq (%2)\n\t"
"faddp %%st, %%st(1)\n\t"
"movl %4, %c5(%0)\n\t"
"fstpl (%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "rax","cc");
#elif defined(__GNUC__) && defined(__powerpc64__)
__asm__(
"ld 14, 0(%1)\n\t"
"ld 15, 0(%2)\n\t"
"li 16, 0 \n\t"
"mtxer 16\n\t"
"addo. 14, 14, 15\n\t"
"bso- 0f\n\t"
"std 14, 0(%0)\n\t"
"li 14, %3\n\t"
"stw 14, %c5(%0)\n\t"
"b 1f\n"
"0:\n\t"
"lfd 0, 0(%1)\n\t"
"lfd 1, 0(%2)\n\t"
"fcfid 0, 0\n\t"
"fcfid 1, 1\n\t"
"fadd 0, 0, 1\n\t"
"li 14, %4\n\t"
"stw 14, %c5(%0)\n\t"
"stfd 0, 0(%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "r14","r15","r16","fr0","fr1","cc");
#else
/*
* 'result' may alias with op1 or op2, so we need to
* ensure that 'result' is not updated until after we
* have read the values of op1 and op2.
*/
if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) == (Z_LVAL_P(op2) & LONG_SIGN_MASK)
&& (Z_LVAL_P(op1) & LONG_SIGN_MASK) != ((Z_LVAL_P(op1) + Z_LVAL_P(op2)) & LONG_SIGN_MASK))) {
ZVAL_DOUBLE(result, (double) Z_LVAL_P(op1) + (double) Z_LVAL_P(op2));
} else {
ZVAL_LONG(result, Z_LVAL_P(op1) + Z_LVAL_P(op2));
}
#endif
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, ((double)Z_LVAL_P(op1)) + Z_DVAL_P(op2));
return SUCCESS;
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) + Z_DVAL_P(op2));
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) + ((double)Z_LVAL_P(op2)));
return SUCCESS;
}
}
return add_function(result, op1, op2);
}
static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *op2)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
#if defined(__GNUC__) && defined(__i386__)
__asm__(
"movl (%1), %%eax\n\t"
"subl (%2), %%eax\n\t"
"jo 0f\n\t"
"movl %%eax, (%0)\n\t"
"movl %3, %c5(%0)\n\t"
"jmp 1f\n"
"0:\n\t"
"fildl (%2)\n\t"
"fildl (%1)\n\t"
#if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
"fsubp %%st(1), %%st\n\t" /* LLVM bug #9164 */
#else
"fsubp %%st, %%st(1)\n\t"
#endif
"movl %4, %c5(%0)\n\t"
"fstpl (%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "eax","cc");
#elif defined(__GNUC__) && defined(__x86_64__)
__asm__(
"movq (%1), %%rax\n\t"
"subq (%2), %%rax\n\t"
"jo 0f\n\t"
"movq %%rax, (%0)\n\t"
"movl %3, %c5(%0)\n\t"
"jmp 1f\n"
"0:\n\t"
"fildq (%2)\n\t"
"fildq (%1)\n\t"
#if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
"fsubp %%st(1), %%st\n\t" /* LLVM bug #9164 */
#else
"fsubp %%st, %%st(1)\n\t"
#endif
"movl %4, %c5(%0)\n\t"
"fstpl (%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "rax","cc");
#elif defined(__GNUC__) && defined(__powerpc64__)
__asm__(
"ld 14, 0(%1)\n\t"
"ld 15, 0(%2)\n\t"
"li 16, 0\n\t"
"mtxer 16\n\t"
"subo. 14, 14, 15\n\t"
"bso- 0f\n\t"
"std 14, 0(%0)\n\t"
"li 14, %3\n\t"
"stw 14, %c5(%0)\n\t"
"b 1f\n"
"0:\n\t"
"lfd 0, 0(%1)\n\t"
"lfd 1, 0(%2)\n\t"
"fcfid 0, 0\n\t"
"fcfid 1, 1\n\t"
"fsub 0, 0, 1\n\t"
"li 14, %4\n\t"
"stw 14, %c5(%0)\n\t"
"stfd 0, 0(%0)\n"
"1:"
:
: "r"(&result->value),
"r"(&op1->value),
"r"(&op2->value),
"n"(IS_LONG),
"n"(IS_DOUBLE),
"n"(ZVAL_OFFSETOF_TYPE)
: "r14","r15","r16","fr0","fr1","cc");
#else
ZVAL_LONG(result, Z_LVAL_P(op1) - Z_LVAL_P(op2));
if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(op2) & LONG_SIGN_MASK)
&& (Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(result) & LONG_SIGN_MASK))) {
ZVAL_DOUBLE(result, (double) Z_LVAL_P(op1) - (double) Z_LVAL_P(op2));
}
#endif
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, ((double)Z_LVAL_P(op1)) - Z_DVAL_P(op2));
return SUCCESS;
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) - Z_DVAL_P(op2));
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) - ((double)Z_LVAL_P(op2)));
return SUCCESS;
}
}
return sub_function(result, op1, op2);
}
static zend_always_inline int fast_mul_function(zval *result, zval *op1, zval *op2)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
zend_long overflow;
ZEND_SIGNED_MULTIPLY_LONG(Z_LVAL_P(op1), Z_LVAL_P(op2), Z_LVAL_P(result), Z_DVAL_P(result), overflow);
Z_TYPE_INFO_P(result) = overflow ? IS_DOUBLE : IS_LONG;
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, ((double)Z_LVAL_P(op1)) * Z_DVAL_P(op2));
return SUCCESS;
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) * Z_DVAL_P(op2));
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
ZVAL_DOUBLE(result, Z_DVAL_P(op1) * ((double)Z_LVAL_P(op2)));
return SUCCESS;
}
}
return mul_function(result, op1, op2);
}
static zend_always_inline int fast_div_function(zval *result, zval *op1, zval *op2)
{
#if 0
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG) && 0) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
zend_error(E_WARNING, "Division by zero");
ZVAL_BOOL(result, 0);
return FAILURE;
} else if (UNEXPECTED(Z_LVAL_P(op2) == -1 && Z_LVAL_P(op1) == ZEND_LONG_MIN)) {
/* Prevent overflow error/crash */
ZVAL_DOUBLE(result, (double) ZEND_LONG_MIN / -1);
} else if (EXPECTED(Z_LVAL_P(op1) % Z_LVAL_P(op2) == 0)) {
/* integer */
ZVAL_LONG(result, Z_LVAL_P(op1) / Z_LVAL_P(op2));
} else {
ZVAL_DOUBLE(result, ((double) Z_LVAL_P(op1)) / ((double)Z_LVAL_P(op2)));
}
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
zend_error(E_WARNING, "Division by zero");
ZVAL_BOOL(result, 0);
return FAILURE;
}
ZVAL_DOUBLE(result, ((double)Z_LVAL_P(op1)) / Z_DVAL_P(op2));
return SUCCESS;
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE) && 0) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
zend_error(E_WARNING, "Division by zero");
ZVAL_BOOL(result, 0);
return FAILURE;
}
ZVAL_DOUBLE(result, Z_DVAL_P(op1) / Z_DVAL_P(op2));
return SUCCESS;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
zend_error(E_WARNING, "Division by zero");
ZVAL_BOOL(result, 0);
return FAILURE;
}
ZVAL_DOUBLE(result, Z_DVAL_P(op1) / ((double)Z_LVAL_P(op2)));
return SUCCESS;
}
}
#endif
return div_function(result, op1, op2);
}
static zend_always_inline int fast_mod_function(zval *result, zval *op1, zval *op2)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
zend_error(E_WARNING, "Division by zero");
ZVAL_FALSE(result);
return FAILURE;
} else if (UNEXPECTED(Z_LVAL_P(op2) == -1)) {
/* Prevent overflow error/crash if op1==ZEND_LONG_MIN */
ZVAL_LONG(result, 0);
return SUCCESS;
}
ZVAL_LONG(result, Z_LVAL_P(op1) % Z_LVAL_P(op2));
return SUCCESS;
}
}
return mod_function(result, op1, 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);
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
return ((double)Z_LVAL_P(op1)) == Z_DVAL_P(op2);
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
return Z_DVAL_P(op1) == Z_DVAL_P(op2);
} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
return Z_DVAL_P(op1) == ((double)Z_LVAL_P(op2));
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_STRING)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_STRING)) {
if (Z_STR_P(op1) == Z_STR_P(op2)) {
return 1;
} else if (Z_STRVAL_P(op1)[0] > '9' || Z_STRVAL_P(op2)[0] > '9') {
if (Z_STRLEN_P(op1) != Z_STRLEN_P(op2)) {
return 0;
} else {
return memcmp(Z_STRVAL_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op1)) == 0;
}
} else {
return zendi_smart_strcmp(op1, op2) == 0;
}
}
}
compare_function(&result, op1, op2);
return Z_LVAL(result) == 0;
}
static zend_always_inline int fast_equal_check_long(zval *op1, zval *op2)
{
zval result;
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
return Z_LVAL_P(op1) == Z_LVAL_P(op2);
}
compare_function(&result, op1, op2);
return Z_LVAL(result) == 0;
}
static zend_always_inline int fast_equal_check_string(zval *op1, zval *op2)
{
zval result;
if (EXPECTED(Z_TYPE_P(op2) == IS_STRING)) {
if (Z_STR_P(op1) == Z_STR_P(op2)) {
return 1;
} else if (Z_STRVAL_P(op1)[0] > '9' || Z_STRVAL_P(op2)[0] > '9') {
if (Z_STRLEN_P(op1) != Z_STRLEN_P(op2)) {
return 0;
} else {
return memcmp(Z_STRVAL_P(op1), Z_STRVAL_P(op2), Z_STRLEN_P(op1)) == 0;
}
} else {
return zendi_smart_strcmp(op1, op2) == 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)
{
if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
ZVAL_BOOL(result, Z_LVAL_P(op1) == Z_LVAL_P(op2));
return;
} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
ZVAL_BOOL(result, (double)Z_LVAL_P(op1) == Z_DVAL_P(op2));
return;
}
} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {