forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathzend_operators.h
852 lines (760 loc) · 28.5 KB
/
zend_operators.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2016 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]> |
| Dmitry Stogov <[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 ZEND_FASTCALL add_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL sub_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL mul_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL pow_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL div_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL mod_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL boolean_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL boolean_not_function(zval *result, zval *op1);
ZEND_API int ZEND_FASTCALL bitwise_not_function(zval *result, zval *op1);
ZEND_API int ZEND_FASTCALL bitwise_or_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL bitwise_and_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL bitwise_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL shift_left_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL shift_right_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL concat_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL zend_is_identical(zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_not_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_not_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_smaller_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL is_smaller_or_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API zend_bool ZEND_FASTCALL instanceof_function_ex(const zend_class_entry *instance_ce, const zend_class_entry *ce, zend_bool interfaces_only);
ZEND_API zend_bool ZEND_FASTCALL 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 ZEND_FASTCALL _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_FASTCALL zend_memnstr_ex(const char *haystack, const char *needle, size_t needle_len, const char *end);
ZEND_API const char* ZEND_FASTCALL zend_memnrstr_ex(const char *haystack, const char *needle, size_t needle_len, const char *end);
#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;
}
}
#else
ZEND_API zend_long ZEND_FASTCALL zend_dval_to_lval_slow(double d);
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)) {
return zend_dval_to_lval_slow(d);
}
return (zend_long)d;
}
#endif
static zend_always_inline zend_long zend_dval_to_lval_cap(double d)
{
if (UNEXPECTED(!zend_finite(d)) || UNEXPECTED(zend_isnan(d))) {
return 0;
} else if (!ZEND_DOUBLE_FITS_LONG(d)) {
return (d > 0 ? ZEND_LONG_MAX : ZEND_LONG_MIN);
}
return (zend_long)d;
}
/* }}} */
#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 ZEND_FASTCALL 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, const 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 < 9)) { /* glibc memchr is faster when needle is too short */
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)
{
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);
}
}
ZEND_API int ZEND_FASTCALL increment_function(zval *op1);
ZEND_API int ZEND_FASTCALL decrement_function(zval *op2);
ZEND_API void ZEND_FASTCALL convert_scalar_to_number(zval *op);
ZEND_API void ZEND_FASTCALL _convert_to_cstring(zval *op ZEND_FILE_LINE_DC);
ZEND_API void ZEND_FASTCALL _convert_to_string(zval *op ZEND_FILE_LINE_DC);
ZEND_API void ZEND_FASTCALL convert_to_long(zval *op);
ZEND_API void ZEND_FASTCALL convert_to_double(zval *op);
ZEND_API void ZEND_FASTCALL convert_to_long_base(zval *op, int base);
ZEND_API void ZEND_FASTCALL convert_to_null(zval *op);
ZEND_API void ZEND_FASTCALL convert_to_boolean(zval *op);
ZEND_API void ZEND_FASTCALL convert_to_array(zval *op);
ZEND_API void ZEND_FASTCALL 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 ZEND_FASTCALL _zval_get_long_func(zval *op);
ZEND_API double ZEND_FASTCALL _zval_get_double_func(zval *op);
ZEND_API zend_string* ZEND_FASTCALL _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))
#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_FASTCALL zend_is_true(zval *op);
ZEND_API int ZEND_FASTCALL 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 = 0;
again:
switch (Z_TYPE_P(op)) {
case IS_TRUE:
result = 1;
break;
case IS_LONG:
if (Z_LVAL_P(op)) {
result = 1;
}
break;
case IS_DOUBLE:
if (Z_DVAL_P(op)) {
result = 1;
}
break;
case IS_STRING:
if (Z_STRLEN_P(op) > 1 || (Z_STRLEN_P(op) && Z_STRVAL_P(op)[0] != '0')) {
result = 1;
}
break;
case IS_ARRAY:
if (zend_hash_num_elements(Z_ARRVAL_P(op))) {
result = 1;
}
break;
case IS_OBJECT:
result = zend_object_is_true(op);
break;
case IS_RESOURCE:
if (EXPECTED(Z_RES_HANDLE_P(op))) {
result = 1;
}
break;
case IS_REFERENCE:
op = Z_REFVAL_P(op);
goto again;
break;
default:
break;
}
return result;
}
ZEND_API int ZEND_FASTCALL compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL numeric_compare_function(zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL string_compare_function_ex(zval *op1, zval *op2, zend_bool case_insensitive);
ZEND_API int ZEND_FASTCALL string_compare_function(zval *op1, zval *op2);
ZEND_API int ZEND_FASTCALL string_case_compare_function(zval *op1, zval *op2);
#if HAVE_STRCOLL
ZEND_API int ZEND_FASTCALL string_locale_compare_function(zval *op1, zval *op2);
#endif
ZEND_API void ZEND_FASTCALL zend_str_tolower(char *str, size_t length);
ZEND_API char* ZEND_FASTCALL zend_str_tolower_copy(char *dest, const char *source, size_t length);
ZEND_API char* ZEND_FASTCALL zend_str_tolower_dup(const char *source, size_t length);
ZEND_API char* ZEND_FASTCALL zend_str_tolower_dup_ex(const char *source, size_t length);
ZEND_API zend_string* ZEND_FASTCALL zend_string_tolower(zend_string *str);
ZEND_API int ZEND_FASTCALL zend_binary_zval_strcmp(zval *s1, zval *s2);
ZEND_API int ZEND_FASTCALL zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
ZEND_API int ZEND_FASTCALL zend_binary_zval_strcasecmp(zval *s1, zval *s2);
ZEND_API int ZEND_FASTCALL zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
ZEND_API int ZEND_FASTCALL zend_binary_strcmp(const char *s1, size_t len1, const char *s2, size_t len2);
ZEND_API int ZEND_FASTCALL zend_binary_strncmp(const char *s1, size_t len1, const char *s2, size_t len2, size_t length);
ZEND_API int ZEND_FASTCALL zend_binary_strcasecmp(const char *s1, size_t len1, const char *s2, size_t len2);
ZEND_API int ZEND_FASTCALL zend_binary_strncasecmp(const char *s1, size_t len1, const char *s2, size_t len2, size_t length);
ZEND_API int ZEND_FASTCALL zend_binary_strcasecmp_l(const char *s1, size_t len1, const char *s2, size_t len2);
ZEND_API int ZEND_FASTCALL zend_binary_strncasecmp_l(const char *s1, size_t len1, const char *s2, size_t len2, size_t length);
ZEND_API zend_long ZEND_FASTCALL zendi_smart_strcmp(zend_string *s1, zend_string *s2);
ZEND_API int ZEND_FASTCALL zend_compare_symbol_tables(HashTable *ht1, HashTable *ht2);
ZEND_API int ZEND_FASTCALL zend_compare_arrays(zval *a1, zval *a2);
ZEND_API int ZEND_FASTCALL zend_compare_objects(zval *o1, zval *o2);
ZEND_API int ZEND_FASTCALL zend_atoi(const char *str, int str_len);
ZEND_API zend_long ZEND_FASTCALL zend_atol(const char *str, int str_len);
ZEND_API void ZEND_FASTCALL 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) { \
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) { \
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) { \
convert_scalar_to_number(pzv); \
}
#if HAVE_SETLOCALE && defined(ZEND_WIN32) && !defined(ZTS) && defined(_MSC_VER)
/* This performance improvement of tolower() on Windows 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 void fast_long_increment_function(zval *op1)
{
#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", "memory");
#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", "memory");
#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
}
static zend_always_inline void fast_long_decrement_function(zval *op1)
{
#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", "memory");
#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", "memory");
#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
}
static zend_always_inline void fast_long_add_function(zval *result, zval *op1, zval *op2)
{
#if defined(__GNUC__) && defined(__i386__) \
&& !(4 == __GNUC__ && 8 == __GNUC_MINOR__) \
&& !(4 == __GNUC__ && 9 == __GNUC_MINOR__ && (defined(__PIC__) || defined(__PIE__)))
/* Position-independent builds fail with gcc-4.9.x */
__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", "memory");
#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", "memory");
#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
}
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)) {
fast_long_add_function(result, op1, op2);
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 void fast_long_sub_function(zval *result, zval *op1, zval *op2)
{
#if defined(__GNUC__) && defined(__i386__) && \
!(4 == __GNUC__ && 8 == __GNUC_MINOR__) && \
!(4 == __GNUC__ && 9 == __GNUC_MINOR__ && (defined(__PIC__) || defined(__PIE__)))
/* Position-independent builds fail with gcc-4.9.x */
__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", "memory");
#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", "memory");
#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
}
static zend_always_inline int fast_div_function(zval *result, zval *op1, zval *op2)
{
return div_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(Z_STR_P(op1), Z_STR_P(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(Z_STR_P(op1), Z_STR_P(op2)) == 0;
}
}
compare_function(&result, op1, op2);
return Z_LVAL(result) == 0;
}
static zend_always_inline int fast_is_identical_function(zval *op1, zval *op2)
{
if (Z_TYPE_P(op1) != Z_TYPE_P(op2)) {
return 0;
} else if (Z_TYPE_P(op1) <= IS_TRUE) {
return 1;
}
return zend_is_identical(op1, op2);
}
static zend_always_inline int fast_is_not_identical_function(zval *op1, zval *op2)
{
if (Z_TYPE_P(op1) != Z_TYPE_P(op2)) {
return 1;
} else if (Z_TYPE_P(op1) <= IS_TRUE) {
return 0;
}
return !zend_is_identical(op1, op2);
}
#define ZEND_TRY_BINARY_OP1_OBJECT_OPERATION(opcode, binary_op) \
if (UNEXPECTED(Z_TYPE_P(op1) == IS_OBJECT) \
&& op1 == result \
&& UNEXPECTED(Z_OBJ_HANDLER_P(op1, get)) \
&& EXPECTED(Z_OBJ_HANDLER_P(op1, set))) { \
int ret; \
zval rv; \
zval *objval = Z_OBJ_HANDLER_P(op1, get)(op1, &rv); \
Z_TRY_ADDREF_P(objval); \
ret = binary_op(objval, objval, op2); \
Z_OBJ_HANDLER_P(op1, set)(op1, objval); \
zval_ptr_dtor(objval); \
return ret; \
} else if (UNEXPECTED(Z_TYPE_P(op1) == IS_OBJECT) \
&& UNEXPECTED(Z_OBJ_HANDLER_P(op1, do_operation))) { \
if (EXPECTED(SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, op2))) { \
return SUCCESS; \
} \
}
#define ZEND_TRY_BINARY_OP2_OBJECT_OPERATION(opcode) \
if (UNEXPECTED(Z_TYPE_P(op2) == IS_OBJECT) \
&& UNEXPECTED(Z_OBJ_HANDLER_P(op2, do_operation)) \
&& EXPECTED(SUCCESS == Z_OBJ_HANDLER_P(op2, do_operation)(opcode, result, op1, op2))) { \
return SUCCESS; \
}
#define ZEND_TRY_BINARY_OBJECT_OPERATION(opcode, binary_op) \
ZEND_TRY_BINARY_OP1_OBJECT_OPERATION(opcode, binary_op) \
else \
ZEND_TRY_BINARY_OP2_OBJECT_OPERATION(opcode)
#define ZEND_TRY_UNARY_OBJECT_OPERATION(opcode) \
if (UNEXPECTED(Z_TYPE_P(op1) == IS_OBJECT) \
&& UNEXPECTED(Z_OBJ_HANDLER_P(op1, do_operation)) \
&& EXPECTED(SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, NULL))) { \
return SUCCESS; \
}
/* buf points to the END of the buffer */
static zend_always_inline char *zend_print_ulong_to_buf(char *buf, zend_ulong num) {
*buf = '\0';
do {
*--buf = (char) (num % 10) + '0';
num /= 10;
} while (num > 0);
return buf;
}
/* buf points to the END of the buffer */
static zend_always_inline char *zend_print_long_to_buf(char *buf, zend_long num) {
if (num < 0) {
char *result = zend_print_ulong_to_buf(buf, ~((zend_ulong) num) + 1);
*--result = '-';
return result;
} else {
return zend_print_ulong_to_buf(buf, num);
}
}
ZEND_API zend_string* ZEND_FASTCALL zend_long_to_str(zend_long num);
static zend_always_inline void zend_unwrap_reference(zval *op) /* {{{ */
{
if (Z_REFCOUNT_P(op) == 1) {
ZVAL_UNREF(op);
} else {
Z_DELREF_P(op);
ZVAL_COPY(op, Z_REFVAL_P(op));
}
}
/* }}} */
END_EXTERN_C()
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/