/[pcre]/code/trunk/pcre_jit_compile.c
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revision 1047 by zherczeg, Fri Sep 28 15:06:38 2012 UTC revision 1310 by zherczeg, Sat Apr 6 06:51:09 2013 UTC
# Line 6  Line 6 
6  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
7    
8                         Written by Philip Hazel                         Written by Philip Hazel
9             Copyright (c) 1997-2012 University of Cambridge             Copyright (c) 1997-2013 University of Cambridge
10    
11    The machine code generator part (this module) was written by Zoltan Herczeg    The machine code generator part (this module) was written by Zoltan Herczeg
12                        Copyright (c) 2010-2012                        Copyright (c) 2010-2013
13    
14  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
15  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 46  POSSIBILITY OF SUCH DAMAGE. Line 46  POSSIBILITY OF SUCH DAMAGE.
46    
47  #include "pcre_internal.h"  #include "pcre_internal.h"
48    
49  #ifdef SUPPORT_JIT  #if defined SUPPORT_JIT
50    
51  /* All-in-one: Since we use the JIT compiler only from here,  /* All-in-one: Since we use the JIT compiler only from here,
52  we just include it. This way we don't need to touch the build  we just include it. This way we don't need to touch the build
# Line 65  system files. */ Line 65  system files. */
65  #error Unsupported architecture  #error Unsupported architecture
66  #endif  #endif
67    
68    /* Defines for debugging purposes. */
69    
70    /* 1 - Use unoptimized capturing brackets.
71       2 - Enable capture_last_ptr (includes option 1). */
72    /* #define DEBUG_FORCE_UNOPTIMIZED_CBRAS 2 */
73    
74    /* 1 - Always have a control head. */
75    /* #define DEBUG_FORCE_CONTROL_HEAD 1 */
76    
77  /* Allocate memory for the regex stack on the real machine stack.  /* Allocate memory for the regex stack on the real machine stack.
78  Fast, but limited size. */  Fast, but limited size. */
79  #define MACHINE_STACK_SIZE 32768  #define MACHINE_STACK_SIZE 32768
# Line 157  typedef struct jit_arguments { Line 166  typedef struct jit_arguments {
166    int *offsets;    int *offsets;
167    pcre_uchar *uchar_ptr;    pcre_uchar *uchar_ptr;
168    pcre_uchar *mark_ptr;    pcre_uchar *mark_ptr;
169      void *callout_data;
170    /* Everything else after. */    /* Everything else after. */
171    int offsetcount;    int real_offset_count;
172    int calllimit;    int offset_count;
173      int call_limit;
174    pcre_uint8 notbol;    pcre_uint8 notbol;
175    pcre_uint8 noteol;    pcre_uint8 noteol;
176    pcre_uint8 notempty;    pcre_uint8 notempty;
# Line 170  typedef struct executable_functions { Line 181  typedef struct executable_functions {
181    void *executable_funcs[JIT_NUMBER_OF_COMPILE_MODES];    void *executable_funcs[JIT_NUMBER_OF_COMPILE_MODES];
182    PUBL(jit_callback) callback;    PUBL(jit_callback) callback;
183    void *userdata;    void *userdata;
184      pcre_uint32 top_bracket;
185    sljit_uw executable_sizes[JIT_NUMBER_OF_COMPILE_MODES];    sljit_uw executable_sizes[JIT_NUMBER_OF_COMPILE_MODES];
186  } executable_functions;  } executable_functions;
187    
# Line 178  typedef struct jump_list { Line 190  typedef struct jump_list {
190    struct jump_list *next;    struct jump_list *next;
191  } jump_list;  } jump_list;
192    
 enum stub_types { stack_alloc };  
   
193  typedef struct stub_list {  typedef struct stub_list {
   enum stub_types type;  
   int data;  
194    struct sljit_jump *start;    struct sljit_jump *start;
195    struct sljit_label *quit;    struct sljit_label *quit;
196    struct stub_list *next;    struct stub_list *next;
197  } stub_list;  } stub_list;
198    
199    enum frame_types {
200      no_frame = -1,
201      no_stack = -2
202    };
203    
204    enum control_types {
205      type_mark = 0,
206      type_then_trap = 1
207    };
208    
209  typedef int (SLJIT_CALL *jit_function)(jit_arguments *args);  typedef int (SLJIT_CALL *jit_function)(jit_arguments *args);
210    
211  /* The following structure is the key data type for the recursive  /* The following structure is the key data type for the recursive
# Line 208  typedef struct backtrack_common { Line 226  typedef struct backtrack_common {
226  typedef struct assert_backtrack {  typedef struct assert_backtrack {
227    backtrack_common common;    backtrack_common common;
228    jump_list *condfailed;    jump_list *condfailed;
229    /* Less than 0 (-1) if a frame is not needed. */    /* Less than 0 if a frame is not needed. */
230    int framesize;    int framesize;
231    /* Points to our private memory word on the stack. */    /* Points to our private memory word on the stack. */
232    int private_data_ptr;    int private_data_ptr;
# Line 229  typedef struct bracket_backtrack { Line 247  typedef struct bracket_backtrack {
247      /* Both for OP_COND, OP_SCOND. */      /* Both for OP_COND, OP_SCOND. */
248      jump_list *condfailed;      jump_list *condfailed;
249      assert_backtrack *assert;      assert_backtrack *assert;
250      /* For OP_ONCE. -1 if not needed. */      /* For OP_ONCE. Less than 0 if not needed. */
251      int framesize;      int framesize;
252    } u;    } u;
253    /* Points to our private memory word on the stack. */    /* Points to our private memory word on the stack. */
# Line 264  typedef struct recurse_entry { Line 282  typedef struct recurse_entry {
282    /* Collects the calls until the function is not created. */    /* Collects the calls until the function is not created. */
283    jump_list *calls;    jump_list *calls;
284    /* Points to the starting opcode. */    /* Points to the starting opcode. */
285    int start;    sljit_sw start;
286  } recurse_entry;  } recurse_entry;
287    
288  typedef struct recurse_backtrack {  typedef struct recurse_backtrack {
289    backtrack_common common;    backtrack_common common;
290      BOOL inlined_pattern;
291  } recurse_backtrack;  } recurse_backtrack;
292    
293    #define OP_THEN_TRAP OP_TABLE_LENGTH
294    
295    typedef struct then_trap_backtrack {
296      backtrack_common common;
297      /* If then_trap is not NULL, this structure contains the real
298      then_trap for the backtracking path. */
299      struct then_trap_backtrack *then_trap;
300      /* Points to the starting opcode. */
301      sljit_sw start;
302      /* Exit point for the then opcodes of this alternative. */
303      jump_list *quit;
304      /* Frame size of the current alternative. */
305      int framesize;
306    } then_trap_backtrack;
307    
308  #define MAX_RANGE_SIZE 6  #define MAX_RANGE_SIZE 6
309    
310  typedef struct compiler_common {  typedef struct compiler_common {
311      /* The sljit ceneric compiler. */
312    struct sljit_compiler *compiler;    struct sljit_compiler *compiler;
313      /* First byte code. */
314    pcre_uchar *start;    pcre_uchar *start;
   
315    /* Maps private data offset to each opcode. */    /* Maps private data offset to each opcode. */
316    int *private_data_ptrs;    sljit_si *private_data_ptrs;
317    /* Tells whether the capturing bracket is optimized. */    /* Tells whether the capturing bracket is optimized. */
318    pcre_uint8 *optimized_cbracket;    pcre_uint8 *optimized_cbracket;
319      /* Tells whether the starting offset is a target of then. */
320      pcre_uint8 *then_offsets;
321      /* Current position where a THEN must jump. */
322      then_trap_backtrack *then_trap;
323    /* Starting offset of private data for capturing brackets. */    /* Starting offset of private data for capturing brackets. */
324    int cbraptr;    int cbra_ptr;
325    /* OVector starting point. Must be divisible by 2. */    /* Output vector starting point. Must be divisible by 2. */
326    int ovector_start;    int ovector_start;
327    /* Last known position of the requested byte. */    /* Last known position of the requested byte. */
328    int req_char_ptr;    int req_char_ptr;
329    /* Head of the last recursion. */    /* Head of the last recursion. */
330    int recursive_head;    int recursive_head_ptr;
331    /* First inspected character for partial matching. */    /* First inspected character for partial matching. */
332    int start_used_ptr;    int start_used_ptr;
333    /* Starting pointer for partial soft matches. */    /* Starting pointer for partial soft matches. */
# Line 297  typedef struct compiler_common { Line 336  typedef struct compiler_common {
336    int first_line_end;    int first_line_end;
337    /* Points to the marked string. */    /* Points to the marked string. */
338    int mark_ptr;    int mark_ptr;
339      /* Recursive control verb management chain. */
340      int control_head_ptr;
341      /* Points to the last matched capture block index. */
342      int capture_last_ptr;
343      /* Points to the starting position of the current match. */
344      int start_ptr;
345    
346    /* Flipped and lower case tables. */    /* Flipped and lower case tables. */
347    const pcre_uint8 *fcc;    const pcre_uint8 *fcc;
348    sljit_w lcc;    sljit_sw lcc;
349    /* Mode can be PCRE_STUDY_JIT_COMPILE and others. */    /* Mode can be PCRE_STUDY_JIT_COMPILE and others. */
350    int mode;    int mode;
351      /* \K is found in the pattern. */
352      BOOL has_set_som;
353      /* (*SKIP:arg) is found in the pattern. */
354      BOOL has_skip_arg;
355      /* (*THEN) is found in the pattern. */
356      BOOL has_then;
357      /* Needs to know the start position anytime. */
358      BOOL needs_start_ptr;
359      /* Currently in recurse or negative assert. */
360      BOOL local_exit;
361      /* Currently in a positive assert. */
362      BOOL positive_assert;
363    /* Newline control. */    /* Newline control. */
364    int nltype;    int nltype;
365    int newline;    int newline;
366    int bsr_nltype;    int bsr_nltype;
367    /* Dollar endonly. */    /* Dollar endonly. */
368    int endonly;    int endonly;
   BOOL has_set_som;  
369    /* Tables. */    /* Tables. */
370    sljit_w ctypes;    sljit_sw ctypes;
371    int digits[2 + MAX_RANGE_SIZE];    int digits[2 + MAX_RANGE_SIZE];
372    /* Named capturing brackets. */    /* Named capturing brackets. */
373    sljit_uw name_table;    sljit_uw name_table;
374    sljit_w name_count;    sljit_sw name_count;
375    sljit_w name_entry_size;    sljit_sw name_entry_size;
376    
377    /* Labels and jump lists. */    /* Labels and jump lists. */
378    struct sljit_label *partialmatchlabel;    struct sljit_label *partialmatchlabel;
379    struct sljit_label *quitlabel;    struct sljit_label *quit_label;
380    struct sljit_label *acceptlabel;    struct sljit_label *forced_quit_label;
381      struct sljit_label *accept_label;
382    stub_list *stubs;    stub_list *stubs;
383    recurse_entry *entries;    recurse_entry *entries;
384    recurse_entry *currententry;    recurse_entry *currententry;
385    jump_list *partialmatch;    jump_list *partialmatch;
386    jump_list *quit;    jump_list *quit;
387      jump_list *positive_assert_quit;
388      jump_list *forced_quit;
389    jump_list *accept;    jump_list *accept;
390    jump_list *calllimit;    jump_list *calllimit;
391    jump_list *stackalloc;    jump_list *stackalloc;
# Line 337  typedef struct compiler_common { Line 396  typedef struct compiler_common {
396    jump_list *vspace;    jump_list *vspace;
397    jump_list *casefulcmp;    jump_list *casefulcmp;
398    jump_list *caselesscmp;    jump_list *caselesscmp;
399      jump_list *reset_match;
400    BOOL jscript_compat;    BOOL jscript_compat;
401  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
402    BOOL utf;    BOOL utf;
403  #ifdef SUPPORT_UCP  #ifdef SUPPORT_UCP
404    BOOL use_ucp;    BOOL use_ucp;
405  #endif  #endif
406    #ifndef COMPILE_PCRE32
407    jump_list *utfreadchar;    jump_list *utfreadchar;
408    #endif
409  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
410    jump_list *utfreadtype8;    jump_list *utfreadtype8;
411  #endif  #endif
# Line 361  typedef struct compare_context { Line 423  typedef struct compare_context {
423  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
424    int ucharptr;    int ucharptr;
425    union {    union {
426      sljit_i asint;      sljit_si asint;
427      sljit_uh asushort;      sljit_uh asushort;
428  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
429      sljit_ub asbyte;      sljit_ub asbyte;
430      sljit_ub asuchars[4];      sljit_ub asuchars[4];
431  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
432      sljit_uh asuchars[2];      sljit_uh asuchars[2];
433  #endif  #elif defined COMPILE_PCRE32
434        sljit_ui asuchars[1];
435  #endif  #endif
436    } c;    } c;
437    union {    union {
438      sljit_i asint;      sljit_si asint;
439      sljit_uh asushort;      sljit_uh asushort;
440  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
441      sljit_ub asbyte;      sljit_ub asbyte;
442      sljit_ub asuchars[4];      sljit_ub asuchars[4];
443  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
444      sljit_uh asuchars[2];      sljit_uh asuchars[2];
445  #endif  #elif defined COMPILE_PCRE32
446        sljit_ui asuchars[1];
447  #endif  #endif
448    } oc;    } oc;
449  #endif  #endif
450  } compare_context;  } compare_context;
451    
 enum {  
   frame_end = 0,  
   frame_setstrbegin = -1,  
   frame_setmark = -2  
 };  
   
452  /* Undefine sljit macros. */  /* Undefine sljit macros. */
453  #undef CMP  #undef CMP
454    
455  /* Used for accessing the elements of the stack. */  /* Used for accessing the elements of the stack. */
456  #define STACK(i)      ((-(i) - 1) * (int)sizeof(sljit_w))  #define STACK(i)      ((-(i) - 1) * (int)sizeof(sljit_sw))
457    
458  #define TMP1          SLJIT_TEMPORARY_REG1  #define TMP1          SLJIT_SCRATCH_REG1
459  #define TMP2          SLJIT_TEMPORARY_REG3  #define TMP2          SLJIT_SCRATCH_REG3
460  #define TMP3          SLJIT_TEMPORARY_EREG2  #define TMP3          SLJIT_TEMPORARY_EREG2
461  #define STR_PTR       SLJIT_SAVED_REG1  #define STR_PTR       SLJIT_SAVED_REG1
462  #define STR_END       SLJIT_SAVED_REG2  #define STR_END       SLJIT_SAVED_REG2
463  #define STACK_TOP     SLJIT_TEMPORARY_REG2  #define STACK_TOP     SLJIT_SCRATCH_REG2
464  #define STACK_LIMIT   SLJIT_SAVED_REG3  #define STACK_LIMIT   SLJIT_SAVED_REG3
465  #define ARGUMENTS     SLJIT_SAVED_EREG1  #define ARGUMENTS     SLJIT_SAVED_EREG1
466  #define CALL_COUNT    SLJIT_SAVED_EREG2  #define CALL_COUNT    SLJIT_SAVED_EREG2
# Line 412  enum { Line 468  enum {
468    
469  /* Local space layout. */  /* Local space layout. */
470  /* These two locals can be used by the current opcode. */  /* These two locals can be used by the current opcode. */
471  #define LOCALS0          (0 * sizeof(sljit_w))  #define LOCALS0          (0 * sizeof(sljit_sw))
472  #define LOCALS1          (1 * sizeof(sljit_w))  #define LOCALS1          (1 * sizeof(sljit_sw))
473  /* Two local variables for possessive quantifiers (char1 cannot use them). */  /* Two local variables for possessive quantifiers (char1 cannot use them). */
474  #define POSSESSIVE0      (2 * sizeof(sljit_w))  #define POSSESSIVE0      (2 * sizeof(sljit_sw))
475  #define POSSESSIVE1      (3 * sizeof(sljit_w))  #define POSSESSIVE1      (3 * sizeof(sljit_sw))
476  /* Max limit of recursions. */  /* Max limit of recursions. */
477  #define CALL_LIMIT       (4 * sizeof(sljit_w))  #define CALL_LIMIT       (4 * sizeof(sljit_sw))
478  /* The output vector is stored on the stack, and contains pointers  /* The output vector is stored on the stack, and contains pointers
479  to characters. The vector data is divided into two groups: the first  to characters. The vector data is divided into two groups: the first
480  group contains the start / end character pointers, and the second is  group contains the start / end character pointers, and the second is
481  the start pointers when the end of the capturing group has not yet reached. */  the start pointers when the end of the capturing group has not yet reached. */
482  #define OVECTOR_START    (common->ovector_start)  #define OVECTOR_START    (common->ovector_start)
483  #define OVECTOR(i)       (OVECTOR_START + (i) * sizeof(sljit_w))  #define OVECTOR(i)       (OVECTOR_START + (i) * sizeof(sljit_sw))
484  #define OVECTOR_PRIV(i)  (common->cbraptr + (i) * sizeof(sljit_w))  #define OVECTOR_PRIV(i)  (common->cbra_ptr + (i) * sizeof(sljit_sw))
485  #define PRIVATE_DATA(cc) (common->private_data_ptrs[(cc) - common->start])  #define PRIVATE_DATA(cc) (common->private_data_ptrs[(cc) - common->start])
486    
487  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
488  #define MOV_UCHAR  SLJIT_MOV_UB  #define MOV_UCHAR  SLJIT_MOV_UB
489  #define MOVU_UCHAR SLJIT_MOVU_UB  #define MOVU_UCHAR SLJIT_MOVU_UB
490  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
491  #define MOV_UCHAR  SLJIT_MOV_UH  #define MOV_UCHAR  SLJIT_MOV_UH
492  #define MOVU_UCHAR SLJIT_MOVU_UH  #define MOVU_UCHAR SLJIT_MOVU_UH
493    #elif defined COMPILE_PCRE32
494    #define MOV_UCHAR  SLJIT_MOV_UI
495    #define MOVU_UCHAR SLJIT_MOVU_UI
496  #else  #else
497  #error Unsupported compiling mode  #error Unsupported compiling mode
498  #endif  #endif
 #endif  
499    
500  /* Shortcuts. */  /* Shortcuts. */
501  #define DEFINE_COMPILER \  #define DEFINE_COMPILER \
# Line 455  the start pointers when the end of the c Line 512  the start pointers when the end of the c
512    sljit_set_label(sljit_emit_jump(compiler, (type)), (label))    sljit_set_label(sljit_emit_jump(compiler, (type)), (label))
513  #define JUMPHERE(jump) \  #define JUMPHERE(jump) \
514    sljit_set_label((jump), sljit_emit_label(compiler))    sljit_set_label((jump), sljit_emit_label(compiler))
515    #define SET_LABEL(jump, label) \
516      sljit_set_label((jump), (label))
517  #define CMP(type, src1, src1w, src2, src2w) \  #define CMP(type, src1, src1w, src2, src2w) \
518    sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w))    sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w))
519  #define CMPTO(type, src1, src1w, src2, src2w, label) \  #define CMPTO(type, src1, src1w, src2, src2w, label) \
520    sljit_set_label(sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w)), (label))    sljit_set_label(sljit_emit_cmp(compiler, (type), (src1), (src1w), (src2), (src2w)), (label))
521  #define COND_VALUE(op, dst, dstw, type) \  #define OP_FLAGS(op, dst, dstw, src, srcw, type) \
522    sljit_emit_cond_value(compiler, (op), (dst), (dstw), (type))    sljit_emit_op_flags(compiler, (op), (dst), (dstw), (src), (srcw), (type))
523  #define GET_LOCAL_BASE(dst, dstw, offset) \  #define GET_LOCAL_BASE(dst, dstw, offset) \
524    sljit_get_local_base(compiler, (dst), (dstw), (offset))    sljit_get_local_base(compiler, (dst), (dstw), (offset))
525    
# Line 475  return cc; Line 534  return cc;
534    
535  /* Functions whose might need modification for all new supported opcodes:  /* Functions whose might need modification for all new supported opcodes:
536   next_opcode   next_opcode
537   get_private_data_length   check_opcode_types
538   set_private_data_ptrs   set_private_data_ptrs
539   get_framesize   get_framesize
540   init_frame   init_frame
541   get_private_data_length_for_copy   get_private_data_copy_length
542   copy_private_data   copy_private_data
543   compile_matchingpath   compile_matchingpath
544   compile_backtrackingpath   compile_backtrackingpath
# Line 503  switch(*cc) Line 562  switch(*cc)
562    case OP_WORDCHAR:    case OP_WORDCHAR:
563    case OP_ANY:    case OP_ANY:
564    case OP_ALLANY:    case OP_ALLANY:
565      case OP_NOTPROP:
566      case OP_PROP:
567    case OP_ANYNL:    case OP_ANYNL:
568    case OP_NOT_HSPACE:    case OP_NOT_HSPACE:
569    case OP_HSPACE:    case OP_HSPACE:
# Line 515  switch(*cc) Line 576  switch(*cc)
576    case OP_CIRCM:    case OP_CIRCM:
577    case OP_DOLL:    case OP_DOLL:
578    case OP_DOLLM:    case OP_DOLLM:
   case OP_TYPESTAR:  
   case OP_TYPEMINSTAR:  
   case OP_TYPEPLUS:  
   case OP_TYPEMINPLUS:  
   case OP_TYPEQUERY:  
   case OP_TYPEMINQUERY:  
   case OP_TYPEPOSSTAR:  
   case OP_TYPEPOSPLUS:  
   case OP_TYPEPOSQUERY:  
579    case OP_CRSTAR:    case OP_CRSTAR:
580    case OP_CRMINSTAR:    case OP_CRMINSTAR:
581    case OP_CRPLUS:    case OP_CRPLUS:
582    case OP_CRMINPLUS:    case OP_CRMINPLUS:
583    case OP_CRQUERY:    case OP_CRQUERY:
584    case OP_CRMINQUERY:    case OP_CRMINQUERY:
585      case OP_CRRANGE:
586      case OP_CRMINRANGE:
587      case OP_CLASS:
588      case OP_NCLASS:
589      case OP_REF:
590      case OP_REFI:
591      case OP_RECURSE:
592      case OP_CALLOUT:
593      case OP_ALT:
594      case OP_KET:
595      case OP_KETRMAX:
596      case OP_KETRMIN:
597      case OP_KETRPOS:
598      case OP_REVERSE:
599      case OP_ASSERT:
600      case OP_ASSERT_NOT:
601      case OP_ASSERTBACK:
602      case OP_ASSERTBACK_NOT:
603      case OP_ONCE:
604      case OP_ONCE_NC:
605      case OP_BRA:
606      case OP_BRAPOS:
607      case OP_CBRA:
608      case OP_CBRAPOS:
609      case OP_COND:
610      case OP_SBRA:
611      case OP_SBRAPOS:
612      case OP_SCBRA:
613      case OP_SCBRAPOS:
614      case OP_SCOND:
615      case OP_CREF:
616      case OP_NCREF:
617      case OP_RREF:
618      case OP_NRREF:
619    case OP_DEF:    case OP_DEF:
620    case OP_BRAZERO:    case OP_BRAZERO:
621    case OP_BRAMINZERO:    case OP_BRAMINZERO:
622    case OP_BRAPOSZERO:    case OP_BRAPOSZERO:
623      case OP_PRUNE:
624      case OP_SKIP:
625      case OP_THEN:
626    case OP_COMMIT:    case OP_COMMIT:
627    case OP_FAIL:    case OP_FAIL:
628    case OP_ACCEPT:    case OP_ACCEPT:
629    case OP_ASSERT_ACCEPT:    case OP_ASSERT_ACCEPT:
630      case OP_CLOSE:
631    case OP_SKIPZERO:    case OP_SKIPZERO:
632    return cc + 1;    return cc + PRIV(OP_lengths)[*cc];
   
   case OP_ANYBYTE:  
 #ifdef SUPPORT_UTF  
   if (common->utf) return NULL;  
 #endif  
   return cc + 1;  
633    
634    case OP_CHAR:    case OP_CHAR:
635    case OP_CHARI:    case OP_CHARI:
# Line 557  switch(*cc) Line 641  switch(*cc)
641    case OP_MINPLUS:    case OP_MINPLUS:
642    case OP_QUERY:    case OP_QUERY:
643    case OP_MINQUERY:    case OP_MINQUERY:
644      case OP_UPTO:
645      case OP_MINUPTO:
646      case OP_EXACT:
647    case OP_POSSTAR:    case OP_POSSTAR:
648    case OP_POSPLUS:    case OP_POSPLUS:
649    case OP_POSQUERY:    case OP_POSQUERY:
650      case OP_POSUPTO:
651    case OP_STARI:    case OP_STARI:
652    case OP_MINSTARI:    case OP_MINSTARI:
653    case OP_PLUSI:    case OP_PLUSI:
654    case OP_MINPLUSI:    case OP_MINPLUSI:
655    case OP_QUERYI:    case OP_QUERYI:
656    case OP_MINQUERYI:    case OP_MINQUERYI:
657      case OP_UPTOI:
658      case OP_MINUPTOI:
659      case OP_EXACTI:
660    case OP_POSSTARI:    case OP_POSSTARI:
661    case OP_POSPLUSI:    case OP_POSPLUSI:
662    case OP_POSQUERYI:    case OP_POSQUERYI:
663      case OP_POSUPTOI:
664    case OP_NOTSTAR:    case OP_NOTSTAR:
665    case OP_NOTMINSTAR:    case OP_NOTMINSTAR:
666    case OP_NOTPLUS:    case OP_NOTPLUS:
667    case OP_NOTMINPLUS:    case OP_NOTMINPLUS:
668    case OP_NOTQUERY:    case OP_NOTQUERY:
669    case OP_NOTMINQUERY:    case OP_NOTMINQUERY:
670      case OP_NOTUPTO:
671      case OP_NOTMINUPTO:
672      case OP_NOTEXACT:
673    case OP_NOTPOSSTAR:    case OP_NOTPOSSTAR:
674    case OP_NOTPOSPLUS:    case OP_NOTPOSPLUS:
675    case OP_NOTPOSQUERY:    case OP_NOTPOSQUERY:
676      case OP_NOTPOSUPTO:
677    case OP_NOTSTARI:    case OP_NOTSTARI:
678    case OP_NOTMINSTARI:    case OP_NOTMINSTARI:
679    case OP_NOTPLUSI:    case OP_NOTPLUSI:
680    case OP_NOTMINPLUSI:    case OP_NOTMINPLUSI:
681    case OP_NOTQUERYI:    case OP_NOTQUERYI:
682    case OP_NOTMINQUERYI:    case OP_NOTMINQUERYI:
   case OP_NOTPOSSTARI:  
   case OP_NOTPOSPLUSI:  
   case OP_NOTPOSQUERYI:  
   cc += 2;  
 #ifdef SUPPORT_UTF  
   if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);  
 #endif  
   return cc;  
   
   case OP_UPTO:  
   case OP_MINUPTO:  
   case OP_EXACT:  
   case OP_POSUPTO:  
   case OP_UPTOI:  
   case OP_MINUPTOI:  
   case OP_EXACTI:  
   case OP_POSUPTOI:  
   case OP_NOTUPTO:  
   case OP_NOTMINUPTO:  
   case OP_NOTEXACT:  
   case OP_NOTPOSUPTO:  
683    case OP_NOTUPTOI:    case OP_NOTUPTOI:
684    case OP_NOTMINUPTOI:    case OP_NOTMINUPTOI:
685    case OP_NOTEXACTI:    case OP_NOTEXACTI:
686      case OP_NOTPOSSTARI:
687      case OP_NOTPOSPLUSI:
688      case OP_NOTPOSQUERYI:
689    case OP_NOTPOSUPTOI:    case OP_NOTPOSUPTOI:
690    cc += 2 + IMM2_SIZE;    cc += PRIV(OP_lengths)[*cc];
691  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
692    if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);    if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);
693  #endif  #endif
694    return cc;    return cc;
695    
696    case OP_NOTPROP:    /* Special cases. */
697    case OP_PROP:    case OP_TYPESTAR:
698    return cc + 1 + 2;    case OP_TYPEMINSTAR:
699      case OP_TYPEPLUS:
700      case OP_TYPEMINPLUS:
701      case OP_TYPEQUERY:
702      case OP_TYPEMINQUERY:
703    case OP_TYPEUPTO:    case OP_TYPEUPTO:
704    case OP_TYPEMINUPTO:    case OP_TYPEMINUPTO:
705    case OP_TYPEEXACT:    case OP_TYPEEXACT:
706      case OP_TYPEPOSSTAR:
707      case OP_TYPEPOSPLUS:
708      case OP_TYPEPOSQUERY:
709    case OP_TYPEPOSUPTO:    case OP_TYPEPOSUPTO:
710    case OP_REF:    return cc + PRIV(OP_lengths)[*cc] - 1;
   case OP_REFI:  
   case OP_CREF:  
   case OP_NCREF:  
   case OP_RREF:  
   case OP_NRREF:  
   case OP_CLOSE:  
   cc += 1 + IMM2_SIZE;  
   return cc;  
   
   case OP_CRRANGE:  
   case OP_CRMINRANGE:  
   return cc + 1 + 2 * IMM2_SIZE;  
711    
712    case OP_CLASS:    case OP_ANYBYTE:
713    case OP_NCLASS:  #ifdef SUPPORT_UTF
714    return cc + 1 + 32 / sizeof(pcre_uchar);    if (common->utf) return NULL;
715    #endif
716      return cc + 1;
717    
718  #if defined SUPPORT_UTF || !defined COMPILE_PCRE8  #if defined SUPPORT_UTF || !defined COMPILE_PCRE8
719    case OP_XCLASS:    case OP_XCLASS:
720    return cc + GET(cc, 1);    return cc + GET(cc, 1);
721  #endif  #endif
722    
   case OP_RECURSE:  
   case OP_ASSERT:  
   case OP_ASSERT_NOT:  
   case OP_ASSERTBACK:  
   case OP_ASSERTBACK_NOT:  
   case OP_REVERSE:  
   case OP_ONCE:  
   case OP_ONCE_NC:  
   case OP_BRA:  
   case OP_BRAPOS:  
   case OP_COND:  
   case OP_SBRA:  
   case OP_SBRAPOS:  
   case OP_SCOND:  
   case OP_ALT:  
   case OP_KET:  
   case OP_KETRMAX:  
   case OP_KETRMIN:  
   case OP_KETRPOS:  
   return cc + 1 + LINK_SIZE;  
   
   case OP_CBRA:  
   case OP_CBRAPOS:  
   case OP_SCBRA:  
   case OP_SCBRAPOS:  
   return cc + 1 + LINK_SIZE + IMM2_SIZE;  
   
723    case OP_MARK:    case OP_MARK:
724      case OP_PRUNE_ARG:
725      case OP_SKIP_ARG:
726      case OP_THEN_ARG:
727    return cc + 1 + 2 + cc[1];    return cc + 1 + 2 + cc[1];
728    
729    default:    default:
730      /* All opcodes are supported now! */
731      SLJIT_ASSERT_STOP();
732    return NULL;    return NULL;
733    }    }
734  }  }
735    
736  #define CASE_ITERATOR_PRIVATE_DATA_1 \  static BOOL check_opcode_types(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend)
     case OP_MINSTAR: \  
     case OP_MINPLUS: \  
     case OP_QUERY: \  
     case OP_MINQUERY: \  
     case OP_MINSTARI: \  
     case OP_MINPLUSI: \  
     case OP_QUERYI: \  
     case OP_MINQUERYI: \  
     case OP_NOTMINSTAR: \  
     case OP_NOTMINPLUS: \  
     case OP_NOTQUERY: \  
     case OP_NOTMINQUERY: \  
     case OP_NOTMINSTARI: \  
     case OP_NOTMINPLUSI: \  
     case OP_NOTQUERYI: \  
     case OP_NOTMINQUERYI:  
   
 #define CASE_ITERATOR_PRIVATE_DATA_2A \  
     case OP_STAR: \  
     case OP_PLUS: \  
     case OP_STARI: \  
     case OP_PLUSI: \  
     case OP_NOTSTAR: \  
     case OP_NOTPLUS: \  
     case OP_NOTSTARI: \  
     case OP_NOTPLUSI:  
   
 #define CASE_ITERATOR_PRIVATE_DATA_2B \  
     case OP_UPTO: \  
     case OP_MINUPTO: \  
     case OP_UPTOI: \  
     case OP_MINUPTOI: \  
     case OP_NOTUPTO: \  
     case OP_NOTMINUPTO: \  
     case OP_NOTUPTOI: \  
     case OP_NOTMINUPTOI:  
   
 #define CASE_ITERATOR_TYPE_PRIVATE_DATA_1 \  
     case OP_TYPEMINSTAR: \  
     case OP_TYPEMINPLUS: \  
     case OP_TYPEQUERY: \  
     case OP_TYPEMINQUERY:  
   
 #define CASE_ITERATOR_TYPE_PRIVATE_DATA_2A \  
     case OP_TYPESTAR: \  
     case OP_TYPEPLUS:  
   
 #define CASE_ITERATOR_TYPE_PRIVATE_DATA_2B \  
     case OP_TYPEUPTO: \  
     case OP_TYPEMINUPTO:  
   
 static int get_class_iterator_size(pcre_uchar *cc)  
737  {  {
 switch(*cc)  
   {  
   case OP_CRSTAR:  
   case OP_CRPLUS:  
   return 2;  
   
   case OP_CRMINSTAR:  
   case OP_CRMINPLUS:  
   case OP_CRQUERY:  
   case OP_CRMINQUERY:  
   return 1;  
   
   case OP_CRRANGE:  
   case OP_CRMINRANGE:  
   if (GET2(cc, 1) == GET2(cc, 1 + IMM2_SIZE))  
     return 0;  
   return 2;  
   
   default:  
   return 0;  
   }  
 }  
   
 static int get_private_data_length(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend)  
 {  
 int private_data_length = 0;  
 pcre_uchar *alternative;  
738  pcre_uchar *name;  pcre_uchar *name;
739  pcre_uchar *end = NULL;  pcre_uchar *name2;
740  int space, size, bracketlen, i;  unsigned int cbra_index;
741    int i;
742    
743  /* Calculate important variables (like stack size) and checks whether all opcodes are supported. */  /* Calculate important variables (like stack size) and checks whether all opcodes are supported. */
744  while (cc < ccend)  while (cc < ccend)
745    {    {
   space = 0;  
   size = 0;  
   bracketlen = 0;  
746    switch(*cc)    switch(*cc)
747      {      {
748      case OP_SET_SOM:      case OP_SET_SOM:
# Line 785  while (cc < ccend) Line 756  while (cc < ccend)
756      cc += 1 + IMM2_SIZE;      cc += 1 + IMM2_SIZE;
757      break;      break;
758    
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     case OP_ONCE_NC:  
     case OP_BRAPOS:  
     case OP_SBRA:  
     case OP_SBRAPOS:  
     private_data_length += sizeof(sljit_w);  
     bracketlen = 1 + LINK_SIZE;  
     break;  
   
759      case OP_CBRAPOS:      case OP_CBRAPOS:
760      case OP_SCBRAPOS:      case OP_SCBRAPOS:
     private_data_length += sizeof(sljit_w);  
761      common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] = 0;      common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] = 0;
762      bracketlen = 1 + LINK_SIZE + IMM2_SIZE;      cc += 1 + LINK_SIZE + IMM2_SIZE;
763      break;      break;
764    
765      case OP_COND:      case OP_COND:
766      case OP_SCOND:      case OP_SCOND:
767      bracketlen = cc[1 + LINK_SIZE];      /* Only AUTO_CALLOUT can insert this opcode. We do
768      if (bracketlen == OP_CREF)         not intend to support this case. */
769        {      if (cc[1 + LINK_SIZE] == OP_CALLOUT)
770        bracketlen = GET2(cc, 1 + LINK_SIZE + 1);        return FALSE;
771        common->optimized_cbracket[bracketlen] = 0;      cc += 1 + LINK_SIZE;
772        }      break;
     else if (bracketlen == OP_NCREF)  
       {  
       bracketlen = GET2(cc, 1 + LINK_SIZE + 1);  
       name = (pcre_uchar *)common->name_table;  
       alternative = name;  
       for (i = 0; i < common->name_count; i++)  
         {  
         if (GET2(name, 0) == bracketlen) break;  
         name += common->name_entry_size;  
         }  
       SLJIT_ASSERT(i != common->name_count);  
773    
774        for (i = 0; i < common->name_count; i++)      case OP_CREF:
775          {      i = GET2(cc, 1);
776          if (STRCMP_UC_UC(alternative + IMM2_SIZE, name + IMM2_SIZE) == 0)      common->optimized_cbracket[i] = 0;
777            common->optimized_cbracket[GET2(alternative, 0)] = 0;      cc += 1 + IMM2_SIZE;
778          alternative += common->name_entry_size;      break;
779          }  
780        case OP_NCREF:
781        cbra_index = GET2(cc, 1);
782        name = (pcre_uchar *)common->name_table;
783        name2 = name;
784        for (i = 0; i < common->name_count; i++)
785          {
786          if (GET2(name, 0) == cbra_index) break;
787          name += common->name_entry_size;
788          }
789        SLJIT_ASSERT(i != common->name_count);
790    
791        for (i = 0; i < common->name_count; i++)
792          {
793          if (STRCMP_UC_UC(name2 + IMM2_SIZE, name + IMM2_SIZE) == 0)
794            common->optimized_cbracket[GET2(name2, 0)] = 0;
795          name2 += common->name_entry_size;
796        }        }
797        cc += 1 + IMM2_SIZE;
798        break;
799    
800      if (*cc == OP_COND)      case OP_RECURSE:
801        /* Set its value only once. */
802        if (common->recursive_head_ptr == 0)
803        {        {
804        /* Might be a hidden SCOND. */        common->recursive_head_ptr = common->ovector_start;
805        alternative = cc + GET(cc, 1);        common->ovector_start += sizeof(sljit_sw);
       if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)  
         private_data_length += sizeof(sljit_w);  
806        }        }
807      else      cc += 1 + LINK_SIZE;
       private_data_length += sizeof(sljit_w);  
     bracketlen = 1 + LINK_SIZE;  
808      break;      break;
809    
810      case OP_BRA:      case OP_CALLOUT:
811      bracketlen = 1 + LINK_SIZE;      if (common->capture_last_ptr == 0)
812          {
813          common->capture_last_ptr = common->ovector_start;
814          common->ovector_start += sizeof(sljit_sw);
815          }
816        cc += 2 + 2 * LINK_SIZE;
817      break;      break;
818    
819      case OP_CBRA:      case OP_THEN_ARG:
820      case OP_SCBRA:      common->has_then = TRUE;
821      bracketlen = 1 + LINK_SIZE + IMM2_SIZE;      common->control_head_ptr = 1;
822      break;      /* Fall through. */
823    
824      CASE_ITERATOR_PRIVATE_DATA_1      case OP_PRUNE_ARG:
825      space = 1;      common->needs_start_ptr = TRUE;
826      size = -2;      /* Fall through. */
     break;  
827    
828      CASE_ITERATOR_PRIVATE_DATA_2A      case OP_MARK:
829      space = 2;      if (common->mark_ptr == 0)
830      size = -2;        {
831          common->mark_ptr = common->ovector_start;
832          common->ovector_start += sizeof(sljit_sw);
833          }
834        cc += 1 + 2 + cc[1];
835      break;      break;
836    
837      CASE_ITERATOR_PRIVATE_DATA_2B      case OP_THEN:
838      space = 2;      common->has_then = TRUE;
839      size = -(2 + IMM2_SIZE);      common->control_head_ptr = 1;
840        /* Fall through. */
841    
842        case OP_PRUNE:
843        case OP_SKIP:
844        common->needs_start_ptr = TRUE;
845        cc += 1;
846      break;      break;
847    
848      CASE_ITERATOR_TYPE_PRIVATE_DATA_1      case OP_SKIP_ARG:
849      space = 1;      common->control_head_ptr = 1;
850      size = 1;      common->has_skip_arg = TRUE;
851        cc += 1 + 2 + cc[1];
852      break;      break;
853    
854      CASE_ITERATOR_TYPE_PRIVATE_DATA_2A      default:
855      if (cc[1] != OP_ANYNL && cc[1] != OP_EXTUNI)      cc = next_opcode(common, cc);
856        space = 2;      if (cc == NULL)
857      size = 1;        return FALSE;
858      break;      break;
859        }
860      }
861    return TRUE;
862    }
863    
864      CASE_ITERATOR_TYPE_PRIVATE_DATA_2B  static int get_class_iterator_size(pcre_uchar *cc)
865      if (cc[1 + IMM2_SIZE] != OP_ANYNL && cc[1 + IMM2_SIZE] != OP_EXTUNI)  {
866        space = 2;  switch(*cc)
867      size = 1 + IMM2_SIZE;    {
868      break;    case OP_CRSTAR:
869      case OP_CRPLUS:
870      return 2;
871    
872      case OP_CLASS:    case OP_CRMINSTAR:
873      case OP_NCLASS:    case OP_CRMINPLUS:
874      size += 1 + 32 / sizeof(pcre_uchar);    case OP_CRQUERY:
875      space = get_class_iterator_size(cc + size);    case OP_CRMINQUERY:
876      break;    return 1;
877    
878  #if defined SUPPORT_UTF || !defined COMPILE_PCRE8    case OP_CRRANGE:
879      case OP_XCLASS:    case OP_CRMINRANGE:
880      size = GET(cc, 1);    if (GET2(cc, 1) == GET2(cc, 1 + IMM2_SIZE))
881      space = get_class_iterator_size(cc + size);      return 0;
882      break;    return 2;
 #endif  
883    
884      case OP_RECURSE:    default:
885      /* Set its value only once. */    return 0;
886      if (common->recursive_head == 0)    }
887        {  }
       common->recursive_head = common->ovector_start;  
       common->ovector_start += sizeof(sljit_w);  
       }  
     cc += 1 + LINK_SIZE;  
     break;  
888    
889      case OP_MARK:  static BOOL detect_repeat(compiler_common *common, pcre_uchar *begin)
890      if (common->mark_ptr == 0)  {
891        {  pcre_uchar *end = bracketend(begin);
892        common->mark_ptr = common->ovector_start;  pcre_uchar *next;
893        common->ovector_start += sizeof(sljit_w);  pcre_uchar *next_end;
894        }  pcre_uchar *max_end;
895      cc += 1 + 2 + cc[1];  pcre_uchar type;
896      break;  sljit_sw length = end - begin;
897    int min, max, i;
898    
899      default:  /* Detect fixed iterations first. */
900      cc = next_opcode(common, cc);  if (end[-(1 + LINK_SIZE)] != OP_KET)
901      if (cc == NULL)    return FALSE;
902        return -1;  
903    /* Already detected repeat. */
904    if (common->private_data_ptrs[end - common->start - LINK_SIZE] != 0)
905      return TRUE;
906    
907    next = end;
908    min = 1;
909    while (1)
910      {
911      if (*next != *begin)
912      break;      break;
913      }    next_end = bracketend(next);
914      if (next_end - next != length || memcmp(begin, next, IN_UCHARS(length)) != 0)
915        break;
916      next = next_end;
917      min++;
918      }
919    
920    if (space > 0 && cc >= end)  if (min == 2)
921      private_data_length += sizeof(sljit_w) * space;    return FALSE;
922    
923    if (size != 0)  max = 0;
924    max_end = next;
925    if (*next == OP_BRAZERO || *next == OP_BRAMINZERO)
926      {
927      type = *next;
928      while (1)
929      {      {
930      if (size < 0)      if (next[0] != type || next[1] != OP_BRA || next[2 + LINK_SIZE] != *begin)
931        {        break;
932        cc += -size;      next_end = bracketend(next + 2 + LINK_SIZE);
933  #ifdef SUPPORT_UTF      if (next_end - next != (length + 2 + LINK_SIZE) || memcmp(begin, next + 2 + LINK_SIZE, IN_UCHARS(length)) != 0)
934        if (common->utf && HAS_EXTRALEN(cc[-1])) cc += GET_EXTRALEN(cc[-1]);        break;
935  #endif      next = next_end;
936        }      max++;
     else  
       cc += size;  
937      }      }
938    
939    if (bracketlen > 0)    if (next[0] == type && next[1] == *begin && max >= 1)
940      {      {
941      if (cc >= end)      next_end = bracketend(next + 1);
942        if (next_end - next == (length + 1) && memcmp(begin, next + 1, IN_UCHARS(length)) == 0)
943        {        {
944        end = bracketend(cc);        for (i = 0; i < max; i++, next_end += 1 + LINK_SIZE)
945        if (end[-1 - LINK_SIZE] == OP_KET)          if (*next_end != OP_KET)
946          end = NULL;            break;
947    
948          if (i == max)
949            {
950            common->private_data_ptrs[max_end - common->start - LINK_SIZE] = next_end - max_end;
951            common->private_data_ptrs[max_end - common->start - LINK_SIZE + 1] = (type == OP_BRAZERO) ? OP_UPTO : OP_MINUPTO;
952            /* +2 the original and the last. */
953            common->private_data_ptrs[max_end - common->start - LINK_SIZE + 2] = max + 2;
954            if (min == 1)
955              return TRUE;
956            min--;
957            max_end -= (1 + LINK_SIZE) + GET(max_end, -LINK_SIZE);
958            }
959        }        }
     cc += bracketlen;  
960      }      }
961    }    }
962  return private_data_length;  
963    if (min >= 3)
964      {
965      common->private_data_ptrs[end - common->start - LINK_SIZE] = max_end - end;
966      common->private_data_ptrs[end - common->start - LINK_SIZE + 1] = OP_EXACT;
967      common->private_data_ptrs[end - common->start - LINK_SIZE + 2] = min;
968      return TRUE;
969      }
970    
971    return FALSE;
972  }  }
973    
974  static void set_private_data_ptrs(compiler_common *common, int private_data_ptr, pcre_uchar *ccend)  #define CASE_ITERATOR_PRIVATE_DATA_1 \
975        case OP_MINSTAR: \
976        case OP_MINPLUS: \
977        case OP_QUERY: \
978        case OP_MINQUERY: \
979        case OP_MINSTARI: \
980        case OP_MINPLUSI: \
981        case OP_QUERYI: \
982        case OP_MINQUERYI: \
983        case OP_NOTMINSTAR: \
984        case OP_NOTMINPLUS: \
985        case OP_NOTQUERY: \
986        case OP_NOTMINQUERY: \
987        case OP_NOTMINSTARI: \
988        case OP_NOTMINPLUSI: \
989        case OP_NOTQUERYI: \
990        case OP_NOTMINQUERYI:
991    
992    #define CASE_ITERATOR_PRIVATE_DATA_2A \
993        case OP_STAR: \
994        case OP_PLUS: \
995        case OP_STARI: \
996        case OP_PLUSI: \
997        case OP_NOTSTAR: \
998        case OP_NOTPLUS: \
999        case OP_NOTSTARI: \
1000        case OP_NOTPLUSI:
1001    
1002    #define CASE_ITERATOR_PRIVATE_DATA_2B \
1003        case OP_UPTO: \
1004        case OP_MINUPTO: \
1005        case OP_UPTOI: \
1006        case OP_MINUPTOI: \
1007        case OP_NOTUPTO: \
1008        case OP_NOTMINUPTO: \
1009        case OP_NOTUPTOI: \
1010        case OP_NOTMINUPTOI:
1011    
1012    #define CASE_ITERATOR_TYPE_PRIVATE_DATA_1 \
1013        case OP_TYPEMINSTAR: \
1014        case OP_TYPEMINPLUS: \
1015        case OP_TYPEQUERY: \
1016        case OP_TYPEMINQUERY:
1017    
1018    #define CASE_ITERATOR_TYPE_PRIVATE_DATA_2A \
1019        case OP_TYPESTAR: \
1020        case OP_TYPEPLUS:
1021    
1022    #define CASE_ITERATOR_TYPE_PRIVATE_DATA_2B \
1023        case OP_TYPEUPTO: \
1024        case OP_TYPEMINUPTO:
1025    
1026    static void set_private_data_ptrs(compiler_common *common, int *private_data_start, pcre_uchar *ccend)
1027  {  {
1028  pcre_uchar *cc = common->start;  pcre_uchar *cc = common->start;
1029  pcre_uchar *alternative;  pcre_uchar *alternative;
1030  pcre_uchar *end = NULL;  pcre_uchar *end = NULL;
1031    int private_data_ptr = *private_data_start;
1032  int space, size, bracketlen;  int space, size, bracketlen;
1033    
1034  while (cc < ccend)  while (cc < ccend)
# Line 967  while (cc < ccend) Line 1036  while (cc < ccend)
1036    space = 0;    space = 0;
1037    size = 0;    size = 0;
1038    bracketlen = 0;    bracketlen = 0;
1039      if (private_data_ptr > SLJIT_MAX_LOCAL_SIZE)
1040        return;
1041    
1042      if (*cc == OP_ONCE || *cc == OP_ONCE_NC || *cc == OP_BRA || *cc == OP_CBRA || *cc == OP_COND)
1043        if (detect_repeat(common, cc))
1044          {
1045          /* These brackets are converted to repeats, so no global
1046          based single character repeat is allowed. */
1047          if (cc >= end)
1048            end = bracketend(cc);
1049          }
1050    
1051    switch(*cc)    switch(*cc)
1052      {      {
1053        case OP_KET:
1054        if (common->private_data_ptrs[cc + 1 - common->start] != 0)
1055          {
1056          common->private_data_ptrs[cc - common->start] = private_data_ptr;
1057          private_data_ptr += sizeof(sljit_sw);
1058          cc += common->private_data_ptrs[cc + 1 - common->start];
1059          }
1060        cc += 1 + LINK_SIZE;
1061        break;
1062    
1063      case OP_ASSERT:      case OP_ASSERT:
1064      case OP_ASSERT_NOT:      case OP_ASSERT_NOT:
1065      case OP_ASSERTBACK:      case OP_ASSERTBACK:
# Line 980  while (cc < ccend) Line 1071  while (cc < ccend)
1071      case OP_SBRAPOS:      case OP_SBRAPOS:
1072      case OP_SCOND:      case OP_SCOND:
1073      common->private_data_ptrs[cc - common->start] = private_data_ptr;      common->private_data_ptrs[cc - common->start] = private_data_ptr;
1074      private_data_ptr += sizeof(sljit_w);      private_data_ptr += sizeof(sljit_sw);
1075      bracketlen = 1 + LINK_SIZE;      bracketlen = 1 + LINK_SIZE;
1076      break;      break;
1077    
1078      case OP_CBRAPOS:      case OP_CBRAPOS:
1079      case OP_SCBRAPOS:      case OP_SCBRAPOS:
1080      common->private_data_ptrs[cc - common->start] = private_data_ptr;      common->private_data_ptrs[cc - common->start] = private_data_ptr;
1081      private_data_ptr += sizeof(sljit_w);      private_data_ptr += sizeof(sljit_sw);
1082      bracketlen = 1 + LINK_SIZE + IMM2_SIZE;      bracketlen = 1 + LINK_SIZE + IMM2_SIZE;
1083      break;      break;
1084    
# Line 997  while (cc < ccend) Line 1088  while (cc < ccend)
1088      if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)      if (*alternative == OP_KETRMAX || *alternative == OP_KETRMIN)
1089        {        {
1090        common->private_data_ptrs[cc - common->start] = private_data_ptr;        common->private_data_ptrs[cc - common->start] = private_data_ptr;
1091        private_data_ptr += sizeof(sljit_w);        private_data_ptr += sizeof(sljit_sw);
1092        }        }
1093      bracketlen = 1 + LINK_SIZE;      bracketlen = 1 + LINK_SIZE;
1094      break;      break;
# Line 1062  while (cc < ccend) Line 1153  while (cc < ccend)
1153      break;      break;
1154      }      }
1155    
1156      /* Character iterators, which are not inside a repeated bracket,
1157         gets a private slot instead of allocating it on the stack. */
1158    if (space > 0 && cc >= end)    if (space > 0 && cc >= end)
1159      {      {
1160      common->private_data_ptrs[cc - common->start] = private_data_ptr;      common->private_data_ptrs[cc - common->start] = private_data_ptr;
1161      private_data_ptr += sizeof(sljit_w) * space;      private_data_ptr += sizeof(sljit_sw) * space;
1162      }      }
1163    
1164    if (size != 0)    if (size != 0)
# Line 1092  while (cc < ccend) Line 1185  while (cc < ccend)
1185      cc += bracketlen;      cc += bracketlen;
1186      }      }
1187    }    }
1188    *private_data_start = private_data_ptr;
1189  }  }
1190    
1191  /* Returns with -1 if no need for frame. */  /* Returns with a frame_types (always < 0) if no need for frame. */
1192  static int get_framesize(compiler_common *common, pcre_uchar *cc, BOOL recursive)  static int get_framesize(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, BOOL recursive, BOOL* needs_control_head)
1193  {  {
 pcre_uchar *ccend = bracketend(cc);  
1194  int length = 0;  int length = 0;
1195  BOOL possessive = FALSE;  int possessive = 0;
1196    BOOL stack_restore = FALSE;
1197  BOOL setsom_found = recursive;  BOOL setsom_found = recursive;
1198  BOOL setmark_found = recursive;  BOOL setmark_found = recursive;
1199    /* The last capture is a local variable even for recursions. */
1200    BOOL capture_last_found = FALSE;
1201    
1202    #if defined DEBUG_FORCE_CONTROL_HEAD && DEBUG_FORCE_CONTROL_HEAD
1203    SLJIT_ASSERT(common->control_head_ptr != 0);
1204    *needs_control_head = TRUE;
1205    #else
1206    *needs_control_head = FALSE;
1207    #endif
1208    
1209  if (!recursive && (*cc == OP_CBRAPOS || *cc == OP_SCBRAPOS))  if (ccend == NULL)
1210    {    {
1211    length = 3;    ccend = bracketend(cc) - (1 + LINK_SIZE);
1212    possessive = TRUE;    if (!recursive && (*cc == OP_CBRAPOS || *cc == OP_SCBRAPOS))
1213        {
1214        possessive = length = (common->capture_last_ptr != 0) ? 5 : 3;
1215        /* This is correct regardless of common->capture_last_ptr. */
1216        capture_last_found = TRUE;
1217        }
1218      cc = next_opcode(common, cc);
1219    }    }
1220    
 cc = next_opcode(common, cc);  
1221  SLJIT_ASSERT(cc != NULL);  SLJIT_ASSERT(cc != NULL);
1222  while (cc < ccend)  while (cc < ccend)
1223    switch(*cc)    switch(*cc)
1224      {      {
1225      case OP_SET_SOM:      case OP_SET_SOM:
1226      SLJIT_ASSERT(common->has_set_som);      SLJIT_ASSERT(common->has_set_som);
1227        stack_restore = TRUE;
1228      if (!setsom_found)      if (!setsom_found)
1229        {        {
1230        length += 2;        length += 2;
# Line 1125  while (cc < ccend) Line 1234  while (cc < ccend)
1234      break;      break;
1235    
1236      case OP_MARK:      case OP_MARK:
1237        case OP_PRUNE_ARG:
1238        case OP_THEN_ARG:
1239      SLJIT_ASSERT(common->mark_ptr != 0);      SLJIT_ASSERT(common->mark_ptr != 0);
1240        stack_restore = TRUE;
1241      if (!setmark_found)      if (!setmark_found)
1242        {        {
1243        length += 2;        length += 2;
1244        setmark_found = TRUE;        setmark_found = TRUE;
1245        }        }
1246        if (common->control_head_ptr != 0)
1247          *needs_control_head = TRUE;
1248      cc += 1 + 2 + cc[1];      cc += 1 + 2 + cc[1];
1249      break;      break;
1250    
1251      case OP_RECURSE:      case OP_RECURSE:
1252        stack_restore = TRUE;
1253      if (common->has_set_som && !setsom_found)      if (common->has_set_som && !setsom_found)
1254        {        {
1255        length += 2;        length += 2;
# Line 1145  while (cc < ccend) Line 1260  while (cc < ccend)
1260        length += 2;        length += 2;
1261        setmark_found = TRUE;        setmark_found = TRUE;
1262        }        }
1263        if (common->capture_last_ptr != 0 && !capture_last_found)
1264          {
1265          length += 2;
1266          capture_last_found = TRUE;
1267          }
1268      cc += 1 + LINK_SIZE;      cc += 1 + LINK_SIZE;
1269      break;      break;
1270    
# Line 1152  while (cc < ccend) Line 1272  while (cc < ccend)
1272      case OP_CBRAPOS:      case OP_CBRAPOS:
1273      case OP_SCBRA:      case OP_SCBRA:
1274      case OP_SCBRAPOS:      case OP_SCBRAPOS:
1275        stack_restore = TRUE;
1276        if (common->capture_last_ptr != 0 && !capture_last_found)
1277          {
1278          length += 2;
1279          capture_last_found = TRUE;
1280          }
1281      length += 3;      length += 3;
1282      cc += 1 + LINK_SIZE + IMM2_SIZE;      cc += 1 + LINK_SIZE + IMM2_SIZE;
1283      break;      break;
1284    
1285      default:      default:
1286        stack_restore = TRUE;
1287        /* Fall through. */
1288    
1289        case OP_NOT_WORD_BOUNDARY:
1290        case OP_WORD_BOUNDARY:
1291        case OP_NOT_DIGIT:
1292        case OP_DIGIT:
1293        case OP_NOT_WHITESPACE:
1294        case OP_WHITESPACE:
1295        case OP_NOT_WORDCHAR:
1296        case OP_WORDCHAR:
1297        case OP_ANY:
1298        case OP_ALLANY:
1299        case OP_ANYBYTE:
1300        case OP_NOTPROP:
1301        case OP_PROP:
1302        case OP_ANYNL:
1303        case OP_NOT_HSPACE:
1304        case OP_HSPACE:
1305        case OP_NOT_VSPACE:
1306        case OP_VSPACE:
1307        case OP_EXTUNI:
1308        case OP_EODN:
1309        case OP_EOD:
1310        case OP_CIRC:
1311        case OP_CIRCM:
1312        case OP_DOLL:
1313        case OP_DOLLM:
1314        case OP_CHAR:
1315        case OP_CHARI:
1316        case OP_NOT:
1317        case OP_NOTI:
1318    
1319        case OP_EXACT:
1320        case OP_POSSTAR:
1321        case OP_POSPLUS:
1322        case OP_POSQUERY:
1323        case OP_POSUPTO:
1324    
1325        case OP_EXACTI:
1326        case OP_POSSTARI:
1327        case OP_POSPLUSI:
1328        case OP_POSQUERYI:
1329        case OP_POSUPTOI:
1330    
1331        case OP_NOTEXACT:
1332        case OP_NOTPOSSTAR:
1333        case OP_NOTPOSPLUS:
1334        case OP_NOTPOSQUERY:
1335        case OP_NOTPOSUPTO:
1336    
1337        case OP_NOTEXACTI:
1338        case OP_NOTPOSSTARI:
1339        case OP_NOTPOSPLUSI:
1340        case OP_NOTPOSQUERYI:
1341        case OP_NOTPOSUPTOI:
1342    
1343        case OP_TYPEEXACT:
1344        case OP_TYPEPOSSTAR:
1345        case OP_TYPEPOSPLUS:
1346        case OP_TYPEPOSQUERY:
1347        case OP_TYPEPOSUPTO:
1348    
1349        case OP_CLASS:
1350        case OP_NCLASS:
1351        case OP_XCLASS:
1352    
1353      cc = next_opcode(common, cc);      cc = next_opcode(common, cc);
1354      SLJIT_ASSERT(cc != NULL);      SLJIT_ASSERT(cc != NULL);
1355      break;      break;
1356      }      }
1357    
1358  /* Possessive quantifiers can use a special case. */  /* Possessive quantifiers can use a special case. */
1359  if (SLJIT_UNLIKELY(possessive) && length == 3)  if (SLJIT_UNLIKELY(possessive == length))
1360    return -1;    return stack_restore ? no_frame : no_stack;
1361    
1362  if (length > 0)  if (length > 0)
1363    return length + 1;    return length + 1;
1364  return -1;  return stack_restore ? no_frame : no_stack;
1365  }  }
1366    
1367  static void init_frame(compiler_common *common, pcre_uchar *cc, int stackpos, int stacktop, BOOL recursive)  static void init_frame(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, int stackpos, int stacktop, BOOL recursive)
1368  {  {
1369  DEFINE_COMPILER;  DEFINE_COMPILER;
 pcre_uchar *ccend = bracketend(cc);  
1370  BOOL setsom_found = recursive;  BOOL setsom_found = recursive;
1371  BOOL setmark_found = recursive;  BOOL setmark_found = recursive;
1372    /* The last capture is a local variable even for recursions. */
1373    BOOL capture_last_found = FALSE;
1374  int offset;  int offset;
1375    
1376  /* >= 1 + shortest item size (2) */  /* >= 1 + shortest item size (2) */
# Line 1184  SLJIT_UNUSED_ARG(stacktop); Line 1378  SLJIT_UNUSED_ARG(stacktop);
1378  SLJIT_ASSERT(stackpos >= stacktop + 2);  SLJIT_ASSERT(stackpos >= stacktop + 2);
1379    
1380  stackpos = STACK(stackpos);  stackpos = STACK(stackpos);
1381  if (recursive || (*cc != OP_CBRAPOS && *cc != OP_SCBRAPOS))  if (ccend == NULL)
1382    cc = next_opcode(common, cc);    {
1383      ccend = bracketend(cc) - (1 + LINK_SIZE);
1384      if (recursive || (*cc != OP_CBRAPOS && *cc != OP_SCBRAPOS))
1385        cc = next_opcode(common, cc);
1386      }
1387    
1388  SLJIT_ASSERT(cc != NULL);  SLJIT_ASSERT(cc != NULL);
1389  while (cc < ccend)  while (cc < ccend)
1390    switch(*cc)    switch(*cc)
# Line 1195  while (cc < ccend) Line 1394  while (cc < ccend)
1394      if (!setsom_found)      if (!setsom_found)
1395        {        {
1396        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));
1397        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_setstrbegin);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -OVECTOR(0));
1398        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1399        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1400        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1401        setsom_found = TRUE;        setsom_found = TRUE;
1402        }        }
1403      cc += 1;      cc += 1;
1404      break;      break;
1405    
1406      case OP_MARK:      case OP_MARK:
1407        case OP_PRUNE_ARG:
1408        case OP_THEN_ARG:
1409      SLJIT_ASSERT(common->mark_ptr != 0);      SLJIT_ASSERT(common->mark_ptr != 0);
1410      if (!setmark_found)      if (!setmark_found)
1411        {        {
1412        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);
1413        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_setmark);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->mark_ptr);
1414        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1415        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1416        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1417        setmark_found = TRUE;        setmark_found = TRUE;
1418        }        }
1419      cc += 1 + 2 + cc[1];      cc += 1 + 2 + cc[1];
# Line 1222  while (cc < ccend) Line 1423  while (cc < ccend)
1423      if (common->has_set_som && !setsom_found)      if (common->has_set_som && !setsom_found)
1424        {        {
1425        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));
1426        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_setstrbegin);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -OVECTOR(0));
1427        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1428        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1429        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1430        setsom_found = TRUE;        setsom_found = TRUE;
1431        }        }
1432      if (common->mark_ptr != 0 && !setmark_found)      if (common->mark_ptr != 0 && !setmark_found)
1433        {        {
1434        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);
1435        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_setmark);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->mark_ptr);
1436        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1437        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1438        stackpos += (int)sizeof(sljit_w);        stackpos += (int)sizeof(sljit_sw);
1439        setmark_found = TRUE;        setmark_found = TRUE;
1440        }        }
1441        if (common->capture_last_ptr != 0 && !capture_last_found)
1442          {
1443          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->capture_last_ptr);
1444          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->capture_last_ptr);
1445          stackpos += (int)sizeof(sljit_sw);
1446          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1447          stackpos += (int)sizeof(sljit_sw);
1448          capture_last_found = TRUE;
1449          }
1450      cc += 1 + LINK_SIZE;      cc += 1 + LINK_SIZE;
1451      break;      break;
1452    
# Line 1244  while (cc < ccend) Line 1454  while (cc < ccend)
1454      case OP_CBRAPOS:      case OP_CBRAPOS:
1455      case OP_SCBRA:      case OP_SCBRA:
1456      case OP_SCBRAPOS:      case OP_SCBRAPOS:
1457        if (common->capture_last_ptr != 0 && !capture_last_found)
1458          {
1459          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->capture_last_ptr);
1460          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, -common->capture_last_ptr);
1461          stackpos += (int)sizeof(sljit_sw);
1462          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1463          stackpos += (int)sizeof(sljit_sw);
1464          capture_last_found = TRUE;
1465          }
1466      offset = (GET2(cc, 1 + LINK_SIZE)) << 1;      offset = (GET2(cc, 1 + LINK_SIZE)) << 1;
1467      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, OVECTOR(offset));      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, OVECTOR(offset));
1468      stackpos += (int)sizeof(sljit_w);      stackpos += (int)sizeof(sljit_sw);
1469      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
1470      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
1471      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP1, 0);
1472      stackpos += (int)sizeof(sljit_w);      stackpos += (int)sizeof(sljit_sw);
1473      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP2, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, TMP2, 0);
1474      stackpos += (int)sizeof(sljit_w);      stackpos += (int)sizeof(sljit_sw);
1475    
1476      cc += 1 + LINK_SIZE + IMM2_SIZE;      cc += 1 + LINK_SIZE + IMM2_SIZE;
1477      break;      break;
# Line 1263  while (cc < ccend) Line 1482  while (cc < ccend)
1482      break;      break;
1483      }      }
1484    
1485  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_end);  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, 0);
1486  SLJIT_ASSERT(stackpos == STACK(stacktop));  SLJIT_ASSERT(stackpos == STACK(stacktop));
1487  }  }
1488    
1489  static SLJIT_INLINE int get_private_data_length_for_copy(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend)  static SLJIT_INLINE int get_private_data_copy_length(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend, BOOL needs_control_head)
1490  {  {
1491  int private_data_length = 2;  int private_data_length = needs_control_head ? 3 : 2;
1492  int size;  int size;
1493  pcre_uchar *alternative;  pcre_uchar *alternative;
1494  /* Calculate the sum of the private machine words. */  /* Calculate the sum of the private machine words. */
# Line 1278  while (cc < ccend) Line 1497  while (cc < ccend)
1497    size = 0;    size = 0;
1498    switch(*cc)    switch(*cc)
1499      {      {
1500        case OP_KET:
1501        if (PRIVATE_DATA(cc) != 0)
1502          private_data_length++;
1503        cc += 1 + LINK_SIZE;
1504        break;
1505    
1506      case OP_ASSERT:      case OP_ASSERT:
1507      case OP_ASSERT_NOT:      case OP_ASSERT_NOT:
1508      case OP_ASSERTBACK:      case OP_ASSERTBACK:
# Line 1382  return private_data_length; Line 1607  return private_data_length;
1607  }  }
1608    
1609  static void copy_private_data(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend,  static void copy_private_data(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend,
1610    BOOL save, int stackptr, int stacktop)    BOOL save, int stackptr, int stacktop, BOOL needs_control_head)
1611  {  {
1612  DEFINE_COMPILER;  DEFINE_COMPILER;
1613  int srcw[2];  int srcw[2];
# Line 1403  stacktop = STACK(stacktop - 1); Line 1628  stacktop = STACK(stacktop - 1);
1628    
1629  if (!save)  if (!save)
1630    {    {
1631    stackptr += sizeof(sljit_w);    stackptr += (needs_control_head ? 2 : 1) * sizeof(sljit_sw);
1632    if (stackptr < stacktop)    if (stackptr < stacktop)
1633      {      {
1634      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);
1635      stackptr += sizeof(sljit_w);      stackptr += sizeof(sljit_sw);
1636      tmp1empty = FALSE;      tmp1empty = FALSE;
1637      }      }
1638    if (stackptr < stacktop)    if (stackptr < stacktop)
1639      {      {
1640      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);
1641      stackptr += sizeof(sljit_w);      stackptr += sizeof(sljit_sw);
1642      tmp2empty = FALSE;      tmp2empty = FALSE;
1643      }      }
1644    /* The tmp1next must be TRUE in either way. */    /* The tmp1next must be TRUE in either way. */
1645    }    }
1646    
1647  while (status != end)  do
1648    {    {
1649    count = 0;    count = 0;
1650    switch(status)    switch(status)
1651      {      {
1652      case start:      case start:
1653      SLJIT_ASSERT(save && common->recursive_head != 0);      SLJIT_ASSERT(save && common->recursive_head_ptr != 0);
1654      count = 1;      count = 1;
1655      srcw[0] = common->recursive_head;      srcw[0] = common->recursive_head_ptr;
1656        if (needs_control_head)
1657          {
1658          SLJIT_ASSERT(common->control_head_ptr != 0);
1659          count = 2;
1660          srcw[1] = common->control_head_ptr;
1661          }
1662      status = loop;      status = loop;
1663      break;      break;
1664    
# Line 1440  while (status != end) Line 1671  while (status != end)
1671    
1672      switch(*cc)      switch(*cc)
1673        {        {
1674          case OP_KET:
1675          if (PRIVATE_DATA(cc) != 0)
1676            {
1677            count = 1;
1678            srcw[0] = PRIVATE_DATA(cc);
1679            }
1680          cc += 1 + LINK_SIZE;
1681          break;
1682    
1683        case OP_ASSERT:        case OP_ASSERT:
1684        case OP_ASSERT_NOT:        case OP_ASSERT_NOT:
1685        case OP_ASSERTBACK:        case OP_ASSERTBACK:
# Line 1504  while (status != end) Line 1744  while (status != end)
1744          {          {
1745          count = 2;          count = 2;
1746          srcw[0] = PRIVATE_DATA(cc);          srcw[0] = PRIVATE_DATA(cc);
1747          srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_w);          srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_sw);
1748          }          }
1749        cc += 2;        cc += 2;
1750  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
# Line 1517  while (status != end) Line 1757  while (status != end)
1757          {          {
1758          count = 2;          count = 2;
1759          srcw[0] = PRIVATE_DATA(cc);          srcw[0] = PRIVATE_DATA(cc);
1760          srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_w);          srcw[1] = PRIVATE_DATA(cc) + sizeof(sljit_sw);
1761          }          }
1762        cc += 2 + IMM2_SIZE;        cc += 2 + IMM2_SIZE;
1763  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
# Line 1539  while (status != end) Line 1779  while (status != end)
1779          {          {
1780          count = 2;          count = 2;
1781          srcw[0] = PRIVATE_DATA(cc);          srcw[0] = PRIVATE_DATA(cc);
1782          srcw[1] = srcw[0] + sizeof(sljit_w);          srcw[1] = srcw[0] + sizeof(sljit_sw);
1783          }          }
1784        cc += 1;        cc += 1;
1785        break;        break;
# Line 1549  while (status != end) Line 1789  while (status != end)
1789          {          {
1790          count = 2;          count = 2;
1791          srcw[0] = PRIVATE_DATA(cc);          srcw[0] = PRIVATE_DATA(cc);
1792          srcw[1] = srcw[0] + sizeof(sljit_w);          srcw[1] = srcw[0] + sizeof(sljit_sw);
1793          }          }
1794        cc += 1 + IMM2_SIZE;        cc += 1 + IMM2_SIZE;
1795        break;        break;
# Line 1573  while (status != end) Line 1813  while (status != end)
1813            case 2:            case 2:
1814            count = 2;            count = 2;
1815            srcw[0] = PRIVATE_DATA(cc);            srcw[0] = PRIVATE_DATA(cc);
1816            srcw[1] = srcw[0] + sizeof(sljit_w);            srcw[1] = srcw[0] + sizeof(sljit_sw);
1817            break;            break;
1818    
1819            default:            default:
# Line 1605  while (status != end) Line 1845  while (status != end)
1845          if (!tmp1empty)          if (!tmp1empty)
1846            {            {
1847            OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);            OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
1848            stackptr += sizeof(sljit_w);            stackptr += sizeof(sljit_sw);
1849            }            }
1850          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), srcw[count]);          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), srcw[count]);
1851          tmp1empty = FALSE;          tmp1empty = FALSE;
# Line 1616  while (status != end) Line 1856  while (status != end)
1856          if (!tmp2empty)          if (!tmp2empty)
1857            {            {
1858            OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);            OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
1859            stackptr += sizeof(sljit_w);            stackptr += sizeof(sljit_sw);
1860            }            }
1861          OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), srcw[count]);          OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), srcw[count]);
1862          tmp2empty = FALSE;          tmp2empty = FALSE;
# Line 1633  while (status != end) Line 1873  while (status != end)
1873          if (!tmp1empty)          if (!tmp1empty)
1874            {            {
1875            OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);            OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), stackptr);
1876            stackptr += sizeof(sljit_w);            stackptr += sizeof(sljit_sw);
1877            }            }
1878          tmp1next = FALSE;          tmp1next = FALSE;
1879          }          }
# Line 1645  while (status != end) Line 1885  while (status != end)
1885          if (!tmp2empty)          if (!tmp2empty)
1886            {            {
1887            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), stackptr);
1888            stackptr += sizeof(sljit_w);            stackptr += sizeof(sljit_sw);
1889            }            }
1890          tmp1next = TRUE;          tmp1next = TRUE;
1891          }          }
1892        }        }
1893      }      }
1894    }    }
1895    while (status != end);
1896    
1897  if (save)  if (save)
1898    {    {
# Line 1660  if (save) Line 1901  if (save)
1901      if (!tmp1empty)      if (!tmp1empty)
1902        {        {
1903        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
1904        stackptr += sizeof(sljit_w);        stackptr += sizeof(sljit_sw);
1905        }        }
1906      if (!tmp2empty)      if (!tmp2empty)
1907        {        {
1908        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
1909        stackptr += sizeof(sljit_w);        stackptr += sizeof(sljit_sw);
1910        }        }
1911      }      }
1912    else    else
# Line 1673  if (save) Line 1914  if (save)
1914      if (!tmp2empty)      if (!tmp2empty)
1915        {        {
1916        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP2, 0);
1917        stackptr += sizeof(sljit_w);        stackptr += sizeof(sljit_sw);
1918        }        }
1919      if (!tmp1empty)      if (!tmp1empty)
1920        {        {
1921        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackptr, TMP1, 0);
1922        stackptr += sizeof(sljit_w);        stackptr += sizeof(sljit_sw);
1923        }        }
1924      }      }
1925    }    }
1926  SLJIT_ASSERT(cc == ccend && stackptr == stacktop && (save || (tmp1empty && tmp2empty)));  SLJIT_ASSERT(cc == ccend && stackptr == stacktop && (save || (tmp1empty && tmp2empty)));
1927  }  }
1928    
1929    static SLJIT_INLINE pcre_uchar *set_then_offsets(compiler_common *common, pcre_uchar *cc, pcre_uint8 *current_offset)
1930    {
1931    pcre_uchar *end = bracketend(cc);
1932    BOOL has_alternatives = cc[GET(cc, 1)] == OP_ALT;
1933    
1934    /* Assert captures then. */
1935    if (*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT)
1936      current_offset = NULL;
1937    /* Conditional block does not. */
1938    if (*cc == OP_COND || *cc == OP_SCOND)
1939      has_alternatives = FALSE;
1940    
1941    cc = next_opcode(common, cc);
1942    if (has_alternatives)
1943      current_offset = common->then_offsets + (cc - common->start);
1944    
1945    while (cc < end)
1946      {
1947      if ((*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT) || (*cc >= OP_ONCE && *cc <= OP_SCOND))
1948        cc = set_then_offsets(common, cc, current_offset);
1949      else
1950        {
1951        if (*cc == OP_ALT && has_alternatives)
1952          current_offset = common->then_offsets + (cc + 1 + LINK_SIZE - common->start);
1953        if (*cc >= OP_THEN && *cc <= OP_THEN_ARG && current_offset != NULL)
1954          *current_offset = 1;
1955        cc = next_opcode(common, cc);
1956        }
1957      }
1958    
1959    return end;
1960    }
1961    
1962  #undef CASE_ITERATOR_PRIVATE_DATA_1  #undef CASE_ITERATOR_PRIVATE_DATA_1
1963  #undef CASE_ITERATOR_PRIVATE_DATA_2A  #undef CASE_ITERATOR_PRIVATE_DATA_2A
1964  #undef CASE_ITERATOR_PRIVATE_DATA_2B  #undef CASE_ITERATOR_PRIVATE_DATA_2B
# Line 1692  SLJIT_ASSERT(cc == ccend && stackptr == Line 1966  SLJIT_ASSERT(cc == ccend && stackptr ==
1966  #undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2A  #undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2A
1967  #undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2B  #undef CASE_ITERATOR_TYPE_PRIVATE_DATA_2B
1968    
1969  static SLJIT_INLINE BOOL ispowerof2(unsigned int value)  static SLJIT_INLINE BOOL is_powerof2(unsigned int value)
1970  {  {
1971  return (value & (value - 1)) == 0;  return (value & (value - 1)) == 0;
1972  }  }
# Line 1703  while (list) Line 1977  while (list)
1977    {    {
1978    /* sljit_set_label is clever enough to do nothing    /* sljit_set_label is clever enough to do nothing
1979    if either the jump or the label is NULL. */    if either the jump or the label is NULL. */
1980    sljit_set_label(list->jump, label);    SET_LABEL(list->jump, label);
1981    list = list->next;    list = list->next;
1982    }    }
1983  }  }
# Line 1719  if (list_item) Line 1993  if (list_item)
1993    }    }
1994  }  }
1995    
1996  static void add_stub(compiler_common *common, enum stub_types type, int data, struct sljit_jump *start)  static void add_stub(compiler_common *common, struct sljit_jump *start)
1997  {  {
1998  DEFINE_COMPILER;  DEFINE_COMPILER;
1999  stub_list* list_item = sljit_alloc_memory(compiler, sizeof(stub_list));  stub_list* list_item = sljit_alloc_memory(compiler, sizeof(stub_list));
2000    
2001  if (list_item)  if (list_item)
2002    {    {
   list_item->type = type;  
   list_item->data = data;  
2003    list_item->start = start;    list_item->start = start;
2004    list_item->quit = LABEL();    list_item->quit = LABEL();
2005    list_item->next = common->stubs;    list_item->next = common->stubs;
# Line 1743  stub_list* list_item = common->stubs; Line 2015  stub_list* list_item = common->stubs;
2015  while (list_item)  while (list_item)
2016    {    {
2017    JUMPHERE(list_item->start);    JUMPHERE(list_item->start);
2018    switch(list_item->type)    add_jump(compiler, &common->stackalloc, JUMP(SLJIT_FAST_CALL));
     {  
     case stack_alloc:  
     add_jump(compiler, &common->stackalloc, JUMP(SLJIT_FAST_CALL));  
     break;  
     }  
2019    JUMPTO(SLJIT_JUMP, list_item->quit);    JUMPTO(SLJIT_JUMP, list_item->quit);
2020    list_item = list_item->next;    list_item = list_item->next;
2021    }    }
# Line 1768  static SLJIT_INLINE void allocate_stack( Line 2035  static SLJIT_INLINE void allocate_stack(
2035  /* May destroy all locals and registers except TMP2. */  /* May destroy all locals and registers except TMP2. */
2036  DEFINE_COMPILER;  DEFINE_COMPILER;
2037    
2038  OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_w));  OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_sw));
2039  #ifdef DESTROY_REGISTERS  #ifdef DESTROY_REGISTERS
2040  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 12345);  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 12345);
2041  OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);  OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);
# Line 1776  OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0); Line 2043  OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);
2043  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, TMP1, 0);  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, TMP1, 0);
2044  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, TMP1, 0);  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, TMP1, 0);
2045  #endif  #endif
2046  add_stub(common, stack_alloc, 0, CMP(SLJIT_C_GREATER, STACK_TOP, 0, STACK_LIMIT, 0));  add_stub(common, CMP(SLJIT_C_GREATER, STACK_TOP, 0, STACK_LIMIT, 0));
2047  }  }
2048    
2049  static SLJIT_INLINE void free_stack(compiler_common *common, int size)  static SLJIT_INLINE void free_stack(compiler_common *common, int size)
2050  {  {
2051  DEFINE_COMPILER;  DEFINE_COMPILER;
2052  OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_w));  OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, size * sizeof(sljit_sw));
2053  }  }
2054    
2055  static SLJIT_INLINE void reset_ovector(compiler_common *common, int length)  static SLJIT_INLINE void reset_ovector(compiler_common *common, int length)
# Line 1790  static SLJIT_INLINE void reset_ovector(c Line 2057  static SLJIT_INLINE void reset_ovector(c
2057  DEFINE_COMPILER;  DEFINE_COMPILER;
2058  struct sljit_label *loop;  struct sljit_label *loop;
2059  int i;  int i;
2060    
2061  /* At this point we can freely use all temporary registers. */  /* At this point we can freely use all temporary registers. */
2062    SLJIT_ASSERT(length > 1);
2063  /* TMP1 returns with begin - 1. */  /* TMP1 returns with begin - 1. */
2064  OP2(SLJIT_SUB, SLJIT_TEMPORARY_REG1, 0, SLJIT_MEM1(SLJIT_SAVED_REG1), SLJIT_OFFSETOF(jit_arguments, begin), SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_SUB, SLJIT_SCRATCH_REG1, 0, SLJIT_MEM1(SLJIT_SAVED_REG1), SLJIT_OFFSETOF(jit_arguments, begin), SLJIT_IMM, IN_UCHARS(1));
2065    if (length < 8)
2066      {
2067      for (i = 1; i < length; i++)
2068        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(i), SLJIT_SCRATCH_REG1, 0);
2069      }
2070    else
2071      {
2072      GET_LOCAL_BASE(SLJIT_SCRATCH_REG2, 0, OVECTOR_START);
2073      OP1(SLJIT_MOV, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, length - 1);
2074      loop = LABEL();
2075      OP1(SLJIT_MOVU, SLJIT_MEM1(SLJIT_SCRATCH_REG2), sizeof(sljit_sw), SLJIT_SCRATCH_REG1, 0);
2076      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_SCRATCH_REG3, 0, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, 1);
2077      JUMPTO(SLJIT_C_NOT_ZERO, loop);
2078      }
2079    }
2080    
2081    static SLJIT_INLINE void do_reset_match(compiler_common *common, int length)
2082    {
2083    DEFINE_COMPILER;
2084    struct sljit_label *loop;
2085    int i;
2086    
2087    SLJIT_ASSERT(length > 1);
2088    /* OVECTOR(1) contains the "string begin - 1" constant. */
2089    if (length > 2)
2090      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
2091  if (length < 8)  if (length < 8)
2092    {    {
2093    for (i = 0; i < length; i++)    for (i = 2; i < length; i++)
2094      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(i), SLJIT_TEMPORARY_REG1, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(i), TMP1, 0);
2095    }    }
2096  else  else
2097    {    {
2098    GET_LOCAL_BASE(SLJIT_TEMPORARY_REG2, 0, OVECTOR_START - sizeof(sljit_w));    GET_LOCAL_BASE(TMP2, 0, OVECTOR_START + sizeof(sljit_sw));
2099    OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG3, 0, SLJIT_IMM, length);    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_IMM, length - 2);
2100    loop = LABEL();    loop = LABEL();
2101    OP1(SLJIT_MOVU, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), sizeof(sljit_w), SLJIT_TEMPORARY_REG1, 0);    OP1(SLJIT_MOVU, SLJIT_MEM1(TMP2), sizeof(sljit_sw), TMP1, 0);
2102    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_TEMPORARY_REG3, 0, SLJIT_TEMPORARY_REG3, 0, SLJIT_IMM, 1);    OP2(SLJIT_SUB | SLJIT_SET_E, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 1);
2103    JUMPTO(SLJIT_C_NOT_ZERO, loop);    JUMPTO(SLJIT_C_NOT_ZERO, loop);
2104    }    }
2105    
2106    OP1(SLJIT_MOV, STACK_TOP, 0, ARGUMENTS, 0);
2107    if (common->mark_ptr != 0)
2108      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr, SLJIT_IMM, 0);
2109    if (common->control_head_ptr != 0)
2110      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_IMM, 0);
2111    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(jit_arguments, stack));
2112    OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_ptr);
2113    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(STACK_TOP), SLJIT_OFFSETOF(struct sljit_stack, base));
2114    }
2115    
2116    static sljit_sw SLJIT_CALL do_search_mark(sljit_sw *current, const pcre_uchar *skip_arg)
2117    {
2118    while (current != NULL)
2119      {
2120      switch (current[-2])
2121        {
2122        case type_then_trap:
2123        break;
2124    
2125        case type_mark:
2126        if (STRCMP_UC_UC(skip_arg, (pcre_uchar *)current[-3]) == 0)
2127          return current[-4];
2128        break;
2129    
2130        default:
2131        SLJIT_ASSERT_STOP();
2132        break;
2133        }
2134      current = (sljit_sw*)current[-1];
2135      }
2136    return -1;
2137  }  }
2138    
2139  static SLJIT_INLINE void copy_ovector(compiler_common *common, int topbracket)  static SLJIT_INLINE void copy_ovector(compiler_common *common, int topbracket)
2140  {  {
2141  DEFINE_COMPILER;  DEFINE_COMPILER;
2142  struct sljit_label *loop;  struct sljit_label *loop;
2143  struct sljit_jump *earlyexit;  struct sljit_jump *early_quit;
2144    
2145  /* At this point we can freely use all registers. */  /* At this point we can freely use all registers. */
2146  OP1(SLJIT_MOV, SLJIT_SAVED_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));  OP1(SLJIT_MOV, SLJIT_SAVED_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
2147  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1), STR_PTR, 0);  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1), STR_PTR, 0);
2148    
2149  OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG1, 0, ARGUMENTS, 0);  OP1(SLJIT_MOV, SLJIT_SCRATCH_REG1, 0, ARGUMENTS, 0);
2150  if (common->mark_ptr != 0)  if (common->mark_ptr != 0)
2151    OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);    OP1(SLJIT_MOV, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr);
2152  OP1(SLJIT_MOV_SI, SLJIT_TEMPORARY_REG2, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG1), SLJIT_OFFSETOF(jit_arguments, offsetcount));  OP1(SLJIT_MOV_SI, SLJIT_SCRATCH_REG2, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG1), SLJIT_OFFSETOF(jit_arguments, offset_count));
2153  if (common->mark_ptr != 0)  if (common->mark_ptr != 0)
2154    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_TEMPORARY_REG1), SLJIT_OFFSETOF(jit_arguments, mark_ptr), SLJIT_TEMPORARY_REG3, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SCRATCH_REG1), SLJIT_OFFSETOF(jit_arguments, mark_ptr), SLJIT_SCRATCH_REG3, 0);
2155  OP2(SLJIT_SUB, SLJIT_TEMPORARY_REG3, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG1), SLJIT_OFFSETOF(jit_arguments, offsets), SLJIT_IMM, sizeof(int));  OP2(SLJIT_SUB, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG1), SLJIT_OFFSETOF(jit_arguments, offsets), SLJIT_IMM, sizeof(int));
2156  OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG1, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG1), SLJIT_OFFSETOF(jit_arguments, begin));  OP1(SLJIT_MOV, SLJIT_SCRATCH_REG1, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG1), SLJIT_OFFSETOF(jit_arguments, begin));
2157  GET_LOCAL_BASE(SLJIT_SAVED_REG1, 0, OVECTOR_START);  GET_LOCAL_BASE(SLJIT_SAVED_REG1, 0, OVECTOR_START);
2158  /* Unlikely, but possible */  /* Unlikely, but possible */
2159  earlyexit = CMP(SLJIT_C_EQUAL, SLJIT_TEMPORARY_REG2, 0, SLJIT_IMM, 0);  early_quit = CMP(SLJIT_C_EQUAL, SLJIT_SCRATCH_REG2, 0, SLJIT_IMM, 0);
2160  loop = LABEL();  loop = LABEL();
2161  OP2(SLJIT_SUB, SLJIT_SAVED_REG2, 0, SLJIT_MEM1(SLJIT_SAVED_REG1), 0, SLJIT_TEMPORARY_REG1, 0);  OP2(SLJIT_SUB, SLJIT_SAVED_REG2, 0, SLJIT_MEM1(SLJIT_SAVED_REG1), 0, SLJIT_SCRATCH_REG1, 0);
2162  OP2(SLJIT_ADD, SLJIT_SAVED_REG1, 0, SLJIT_SAVED_REG1, 0, SLJIT_IMM, sizeof(sljit_w));  OP2(SLJIT_ADD, SLJIT_SAVED_REG1, 0, SLJIT_SAVED_REG1, 0, SLJIT_IMM, sizeof(sljit_sw));
2163  /* Copy the integer value to the output buffer */  /* Copy the integer value to the output buffer */
2164  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2165  OP2(SLJIT_ASHR, SLJIT_SAVED_REG2, 0, SLJIT_SAVED_REG2, 0, SLJIT_IMM, 1);  OP2(SLJIT_ASHR, SLJIT_SAVED_REG2, 0, SLJIT_SAVED_REG2, 0, SLJIT_IMM, UCHAR_SHIFT);
2166  #endif  #endif
2167  OP1(SLJIT_MOVU_SI, SLJIT_MEM1(SLJIT_TEMPORARY_REG3), sizeof(int), SLJIT_SAVED_REG2, 0);  OP1(SLJIT_MOVU_SI, SLJIT_MEM1(SLJIT_SCRATCH_REG3), sizeof(int), SLJIT_SAVED_REG2, 0);
2168  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_TEMPORARY_REG2, 0, SLJIT_TEMPORARY_REG2, 0, SLJIT_IMM, 1);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_SCRATCH_REG2, 0, SLJIT_SCRATCH_REG2, 0, SLJIT_IMM, 1);
2169  JUMPTO(SLJIT_C_NOT_ZERO, loop);  JUMPTO(SLJIT_C_NOT_ZERO, loop);
2170  JUMPHERE(earlyexit);  JUMPHERE(early_quit);
2171    
2172  /* Calculate the return value, which is the maximum ovector value. */  /* Calculate the return value, which is the maximum ovector value. */
2173  if (topbracket > 1)  if (topbracket > 1)
2174    {    {
2175    GET_LOCAL_BASE(SLJIT_TEMPORARY_REG1, 0, OVECTOR_START + topbracket * 2 * sizeof(sljit_w));    GET_LOCAL_BASE(SLJIT_SCRATCH_REG1, 0, OVECTOR_START + topbracket * 2 * sizeof(sljit_sw));
2176    OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG2, 0, SLJIT_IMM, topbracket + 1);    OP1(SLJIT_MOV, SLJIT_SCRATCH_REG2, 0, SLJIT_IMM, topbracket + 1);
2177    
2178    /* OVECTOR(0) is never equal to SLJIT_SAVED_REG3. */    /* OVECTOR(0) is never equal to SLJIT_SAVED_REG3. */
2179    loop = LABEL();    loop = LABEL();
2180    OP1(SLJIT_MOVU, SLJIT_TEMPORARY_REG3, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG1), -(2 * (sljit_w)sizeof(sljit_w)));    OP1(SLJIT_MOVU, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG1), -(2 * (sljit_sw)sizeof(sljit_sw)));
2181    OP2(SLJIT_SUB, SLJIT_TEMPORARY_REG2, 0, SLJIT_TEMPORARY_REG2, 0, SLJIT_IMM, 1);    OP2(SLJIT_SUB, SLJIT_SCRATCH_REG2, 0, SLJIT_SCRATCH_REG2, 0, SLJIT_IMM, 1);
2182    CMPTO(SLJIT_C_EQUAL, SLJIT_TEMPORARY_REG3, 0, SLJIT_SAVED_REG3, 0, loop);    CMPTO(SLJIT_C_EQUAL, SLJIT_SCRATCH_REG3, 0, SLJIT_SAVED_REG3, 0, loop);
2183    OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_TEMPORARY_REG2, 0);    OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_SCRATCH_REG2, 0);
2184    }    }
2185  else  else
2186    OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1);    OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1);
# Line 1862  else Line 2189  else
2189  static SLJIT_INLINE void return_with_partial_match(compiler_common *common, struct sljit_label *quit)  static SLJIT_INLINE void return_with_partial_match(compiler_common *common, struct sljit_label *quit)
2190  {  {
2191  DEFINE_COMPILER;  DEFINE_COMPILER;
2192    struct sljit_jump *jump;
2193    
2194  SLJIT_COMPILE_ASSERT(STR_END == SLJIT_SAVED_REG2, str_end_must_be_saved_reg2);  SLJIT_COMPILE_ASSERT(STR_END == SLJIT_SAVED_REG2, str_end_must_be_saved_reg2);
2195  SLJIT_ASSERT(common->start_used_ptr != 0 && (common->mode == JIT_PARTIAL_SOFT_COMPILE ? common->hit_start != 0 : common->hit_start == 0));  SLJIT_ASSERT(common->start_used_ptr != 0 && common->start_ptr != 0
2196      && (common->mode == JIT_PARTIAL_SOFT_COMPILE ? common->hit_start != 0 : common->hit_start == 0));
2197    
2198  OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG2, 0, ARGUMENTS, 0);  OP1(SLJIT_MOV, SLJIT_SCRATCH_REG2, 0, ARGUMENTS, 0);
2199  OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_PARTIAL);  OP1(SLJIT_MOV, SLJIT_RETURN_REG, 0, SLJIT_IMM, PCRE_ERROR_PARTIAL);
2200  OP1(SLJIT_MOV_SI, SLJIT_TEMPORARY_REG3, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), SLJIT_OFFSETOF(jit_arguments, offsetcount));  OP1(SLJIT_MOV_SI, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG2), SLJIT_OFFSETOF(jit_arguments, real_offset_count));
2201  CMPTO(SLJIT_C_LESS, SLJIT_TEMPORARY_REG3, 0, SLJIT_IMM, 2, quit);  CMPTO(SLJIT_C_SIG_LESS, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, 2, quit);
2202    
2203  /* Store match begin and end. */  /* Store match begin and end. */
2204  OP1(SLJIT_MOV, SLJIT_SAVED_REG1, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), SLJIT_OFFSETOF(jit_arguments, begin));  OP1(SLJIT_MOV, SLJIT_SAVED_REG1, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG2), SLJIT_OFFSETOF(jit_arguments, begin));
2205  OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG2, 0, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), SLJIT_OFFSETOF(jit_arguments, offsets));  OP1(SLJIT_MOV, SLJIT_SCRATCH_REG2, 0, SLJIT_MEM1(SLJIT_SCRATCH_REG2), SLJIT_OFFSETOF(jit_arguments, offsets));
2206  OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mode == JIT_PARTIAL_HARD_COMPILE ? common->start_used_ptr : common->hit_start);  
2207    jump = CMP(SLJIT_C_SIG_LESS, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, 3);
2208    OP2(SLJIT_SUB, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mode == JIT_PARTIAL_HARD_COMPILE ? common->start_ptr : (common->hit_start + (int)sizeof(sljit_sw)), SLJIT_SAVED_REG1, 0);
2209    #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2210    OP2(SLJIT_ASHR, SLJIT_SCRATCH_REG3, 0, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, UCHAR_SHIFT);
2211    #endif
2212    OP1(SLJIT_MOV_SI, SLJIT_MEM1(SLJIT_SCRATCH_REG2), 2 * sizeof(int), SLJIT_SCRATCH_REG3, 0);
2213    JUMPHERE(jump);
2214    
2215    OP1(SLJIT_MOV, SLJIT_SCRATCH_REG3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mode == JIT_PARTIAL_HARD_COMPILE ? common->start_used_ptr : common->hit_start);
2216  OP2(SLJIT_SUB, SLJIT_SAVED_REG2, 0, STR_END, 0, SLJIT_SAVED_REG1, 0);  OP2(SLJIT_SUB, SLJIT_SAVED_REG2, 0, STR_END, 0, SLJIT_SAVED_REG1, 0);
2217  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2218  OP2(SLJIT_ASHR, SLJIT_SAVED_REG2, 0, SLJIT_SAVED_REG2, 0, SLJIT_IMM, 1);  OP2(SLJIT_ASHR, SLJIT_SAVED_REG2, 0, SLJIT_SAVED_REG2, 0, SLJIT_IMM, UCHAR_SHIFT);
2219  #endif  #endif
2220  OP1(SLJIT_MOV_SI, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), sizeof(int), SLJIT_SAVED_REG2, 0);  OP1(SLJIT_MOV_SI, SLJIT_MEM1(SLJIT_SCRATCH_REG2), sizeof(int), SLJIT_SAVED_REG2, 0);
2221    
2222  OP2(SLJIT_SUB, SLJIT_TEMPORARY_REG3, 0, SLJIT_TEMPORARY_REG3, 0, SLJIT_SAVED_REG1, 0);  OP2(SLJIT_SUB, SLJIT_SCRATCH_REG3, 0, SLJIT_SCRATCH_REG3, 0, SLJIT_SAVED_REG1, 0);
2223  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2224  OP2(SLJIT_ASHR, SLJIT_TEMPORARY_REG3, 0, SLJIT_TEMPORARY_REG3, 0, SLJIT_IMM, 1);  OP2(SLJIT_ASHR, SLJIT_SCRATCH_REG3, 0, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, UCHAR_SHIFT);
2225  #endif  #endif
2226  OP1(SLJIT_MOV_SI, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), 0, SLJIT_TEMPORARY_REG3, 0);  OP1(SLJIT_MOV_SI, SLJIT_MEM1(SLJIT_SCRATCH_REG2), 0, SLJIT_SCRATCH_REG3, 0);
2227    
2228  JUMPTO(SLJIT_JUMP, quit);  JUMPTO(SLJIT_JUMP, quit);
2229  }  }
# Line 1998  if (c <= 127 && bit == 0x20) Line 2336  if (c <= 127 && bit == 0x20)
2336    return (0 << 8) | 0x20;    return (0 << 8) | 0x20;
2337    
2338  /* Since c != oc, they must have at least 1 bit difference. */  /* Since c != oc, they must have at least 1 bit difference. */
2339  if (!ispowerof2(bit))  if (!is_powerof2(bit))
2340    return 0;    return 0;
2341    
2342  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2343    
2344  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
2345  if (common->utf && c > 127)  if (common->utf && c > 127)
# Line 2017  if (common->utf && c > 127) Line 2355  if (common->utf && c > 127)
2355  #endif /* SUPPORT_UTF */  #endif /* SUPPORT_UTF */
2356  return (0 << 8) | bit;  return (0 << 8) | bit;
2357    
2358  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2359    
 #ifdef COMPILE_PCRE16  
2360  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
2361  if (common->utf && c > 65535)  if (common->utf && c > 65535)
2362    {    {
# Line 2030  if (common->utf && c > 65535) Line 2367  if (common->utf && c > 65535)
2367    }    }
2368  #endif /* SUPPORT_UTF */  #endif /* SUPPORT_UTF */
2369  return (bit < 256) ? ((0 << 8) | bit) : ((1 << 8) | (bit >> 8));  return (bit < 256) ? ((0 << 8) | bit) : ((1 << 8) | (bit >> 8));
 #endif /* COMPILE_PCRE16 */  
2370    
2371  #endif /* COMPILE_PCRE8 */  #endif /* COMPILE_PCRE[8|16|32] */
2372  }  }
2373    
2374  static void check_partial(compiler_common *common, BOOL force)  static void check_partial(compiler_common *common, BOOL force)
# Line 2052  else if (common->mode == JIT_PARTIAL_SOF Line 2388  else if (common->mode == JIT_PARTIAL_SOF
2388    jump = CMP(SLJIT_C_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, SLJIT_IMM, -1);    jump = CMP(SLJIT_C_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, SLJIT_IMM, -1);
2389    
2390  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
2391    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, -1);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, 0);
2392  else  else
2393    {    {
2394    if (common->partialmatchlabel != NULL)    if (common->partialmatchlabel != NULL)
# Line 2065  if (jump != NULL) Line 2401  if (jump != NULL)
2401    JUMPHERE(jump);    JUMPHERE(jump);
2402  }  }
2403    
2404  static struct sljit_jump *check_str_end(compiler_common *common)  static void check_str_end(compiler_common *common, jump_list **end_reached)
2405  {  {
2406  /* Does not affect registers. Usually used in a tight spot. */  /* Does not affect registers. Usually used in a tight spot. */
2407  DEFINE_COMPILER;  DEFINE_COMPILER;
2408  struct sljit_jump *jump;  struct sljit_jump *jump;
 struct sljit_jump *nohit;  
 struct sljit_jump *return_value;  
2409    
2410  if (common->mode == JIT_COMPILE)  if (common->mode == JIT_COMPILE)
2411    return CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);    {
2412      add_jump(compiler, end_reached, CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
2413      return;
2414      }
2415    
2416  jump = CMP(SLJIT_C_LESS, STR_PTR, 0, STR_END, 0);  jump = CMP(SLJIT_C_LESS, STR_PTR, 0, STR_END, 0);
2417  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
2418    {    {
2419    nohit = CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0);    add_jump(compiler, end_reached, CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0));
2420    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, -1);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, 0);
2421    JUMPHERE(nohit);    add_jump(compiler, end_reached, JUMP(SLJIT_JUMP));
   return_value = JUMP(SLJIT_JUMP);  
2422    }    }
2423  else  else
2424    {    {
2425    return_value = CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0);    add_jump(compiler, end_reached, CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0));
2426    if (common->partialmatchlabel != NULL)    if (common->partialmatchlabel != NULL)
2427      JUMPTO(SLJIT_JUMP, common->partialmatchlabel);      JUMPTO(SLJIT_JUMP, common->partialmatchlabel);
2428    else    else
2429      add_jump(compiler, &common->partialmatch, JUMP(SLJIT_JUMP));      add_jump(compiler, &common->partialmatch, JUMP(SLJIT_JUMP));
2430    }    }
2431  JUMPHERE(jump);  JUMPHERE(jump);
 return return_value;  
2432  }  }
2433    
2434  static void detect_partial_match(compiler_common *common, jump_list **backtracks)  static void detect_partial_match(compiler_common *common, jump_list **backtracks)
# Line 2112  jump = CMP(SLJIT_C_LESS, STR_PTR, 0, STR Line 2447  jump = CMP(SLJIT_C_LESS, STR_PTR, 0, STR
2447  add_jump(compiler, backtracks, CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0));  add_jump(compiler, backtracks, CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), common->start_used_ptr, STR_PTR, 0));
2448  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)  if (common->mode == JIT_PARTIAL_SOFT_COMPILE)
2449    {    {
2450    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, -1);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->hit_start, SLJIT_IMM, 0);
2451    add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));    add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
2452    }    }
2453  else  else
# Line 2130  static void read_char(compiler_common *c Line 2465  static void read_char(compiler_common *c
2465  /* Reads the character into TMP1, updates STR_PTR.  /* Reads the character into TMP1, updates STR_PTR.
2466  Does not check STR_END. TMP2 Destroyed. */  Does not check STR_END. TMP2 Destroyed. */
2467  DEFINE_COMPILER;  DEFINE_COMPILER;
2468  #ifdef SUPPORT_UTF  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2469  struct sljit_jump *jump;  struct sljit_jump *jump;
2470  #endif  #endif
2471    
2472  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
2473  #ifdef SUPPORT_UTF  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2474  if (common->utf)  if (common->utf)
2475    {    {
2476  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2477    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
2478  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
2479    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
2480  #endif  #endif /* COMPILE_PCRE[8|16] */
 #endif /* COMPILE_PCRE8 */  
2481    add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL));
2482    JUMPHERE(jump);    JUMPHERE(jump);
2483    }    }
2484  #endif  #endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
2485  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
2486  }  }
2487    
# Line 2157  static void peek_char(compiler_common *c Line 2490  static void peek_char(compiler_common *c
2490  /* Reads the character into TMP1, keeps STR_PTR.  /* Reads the character into TMP1, keeps STR_PTR.
2491  Does not check STR_END. TMP2 Destroyed. */  Does not check STR_END. TMP2 Destroyed. */
2492  DEFINE_COMPILER;  DEFINE_COMPILER;
2493  #ifdef SUPPORT_UTF  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2494  struct sljit_jump *jump;  struct sljit_jump *jump;
2495  #endif  #endif
2496    
2497  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
2498  #ifdef SUPPORT_UTF  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2499  if (common->utf)  if (common->utf)
2500    {    {
2501  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2502    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
2503  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
2504    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
2505  #endif  #endif /* COMPILE_PCRE[8|16] */
 #endif /* COMPILE_PCRE8 */  
2506    add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL));
2507    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
2508    JUMPHERE(jump);    JUMPHERE(jump);
2509    }    }
2510  #endif  #endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
2511  }  }
2512    
2513  static void read_char8_type(compiler_common *common)  static void read_char8_type(compiler_common *common)
2514  {  {
2515  /* Reads the character type into TMP1, updates STR_PTR. Does not check STR_END. */  /* Reads the character type into TMP1, updates STR_PTR. Does not check STR_END. */
2516  DEFINE_COMPILER;  DEFINE_COMPILER;
2517  #if defined SUPPORT_UTF || defined COMPILE_PCRE16  #if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2518  struct sljit_jump *jump;  struct sljit_jump *jump;
2519  #endif  #endif
2520    
# Line 2192  if (common->utf) Line 2523  if (common->utf)
2523    {    {
2524    OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);    OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);
2525    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
2526  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2527    /* This can be an extra read in some situations, but hopefully    /* This can be an extra read in some situations, but hopefully
2528    it is needed in most cases. */    it is needed in most cases. */
2529    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
2530    jump = CMP(SLJIT_C_LESS, TMP2, 0, SLJIT_IMM, 0xc0);    jump = CMP(SLJIT_C_LESS, TMP2, 0, SLJIT_IMM, 0xc0);
2531    add_jump(compiler, &common->utfreadtype8, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->utfreadtype8, JUMP(SLJIT_FAST_CALL));
2532    JUMPHERE(jump);    JUMPHERE(jump);
2533  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
2534    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
2535    jump = CMP(SLJIT_C_GREATER, TMP2, 0, SLJIT_IMM, 255);    jump = CMP(SLJIT_C_GREATER, TMP2, 0, SLJIT_IMM, 255);
2536    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
# Line 2208  if (common->utf) Line 2538  if (common->utf)
2538    /* Skip low surrogate if necessary. */    /* Skip low surrogate if necessary. */
2539    OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xfc00);    OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xfc00);
2540    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0xd800);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0xd800);
2541    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
2542    OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 1);
2543    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
2544  #endif  #elif defined COMPILE_PCRE32
2545  #endif /* COMPILE_PCRE8 */    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
2546      jump = CMP(SLJIT_C_GREATER, TMP2, 0, SLJIT_IMM, 255);
2547      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
2548      JUMPHERE(jump);
2549    #endif /* COMPILE_PCRE[8|16|32] */
2550    return;    return;
2551    }    }
2552  #endif  #endif /* SUPPORT_UTF */
2553  OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);  OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0);
2554  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
2555  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2556  /* The ctypes array contains only 256 values. */  /* The ctypes array contains only 256 values. */
2557  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
2558  jump = CMP(SLJIT_C_GREATER, TMP2, 0, SLJIT_IMM, 255);  jump = CMP(SLJIT_C_GREATER, TMP2, 0, SLJIT_IMM, 255);
2559  #endif  #endif
2560  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes);
2561  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2562  JUMPHERE(jump);  JUMPHERE(jump);
2563  #endif  #endif
2564  }  }
# Line 2233  static void skip_char_back(compiler_comm Line 2567  static void skip_char_back(compiler_comm
2567  {  {
2568  /* Goes one character back. Affects STR_PTR and TMP1. Does not check begin. */  /* Goes one character back. Affects STR_PTR and TMP1. Does not check begin. */
2569  DEFINE_COMPILER;  DEFINE_COMPILER;
2570  #if defined SUPPORT_UTF && defined COMPILE_PCRE8  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2571    #if defined COMPILE_PCRE8
2572  struct sljit_label *label;  struct sljit_label *label;
2573    
2574  if (common->utf)  if (common->utf)
# Line 2245  if (common->utf) Line 2580  if (common->utf)
2580    CMPTO(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, label);    CMPTO(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, 0x80, label);
2581    return;    return;
2582    }    }
2583  #endif  #elif defined COMPILE_PCRE16
 #if defined SUPPORT_UTF && defined COMPILE_PCRE16  
2584  if (common->utf)  if (common->utf)
2585    {    {
2586    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1));    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1));
# Line 2254  if (common->utf) Line 2588  if (common->utf)
2588    /* Skip low surrogate if necessary. */    /* Skip low surrogate if necessary. */
2589    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
2590    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xdc00);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xdc00);
2591    COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
2592    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
2593    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
2594    return;    return;
2595    }    }
2596  #endif  #endif /* COMPILE_PCRE[8|16] */
2597    #endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
2598  OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
2599  }  }
2600    
# Line 2276  if (nltype == NLTYPE_ANY) Line 2611  if (nltype == NLTYPE_ANY)
2611  else if (nltype == NLTYPE_ANYCRLF)  else if (nltype == NLTYPE_ANYCRLF)
2612    {    {
2613    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_CR);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_CR);
2614    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
2615    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);
2616    COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
2617    add_jump(compiler, backtracks, JUMP(jumpiftrue ? SLJIT_C_NOT_ZERO : SLJIT_C_ZERO));    add_jump(compiler, backtracks, JUMP(jumpiftrue ? SLJIT_C_NOT_ZERO : SLJIT_C_ZERO));
2618    }    }
2619  else  else
# Line 2290  else Line 2625  else
2625    
2626  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
2627    
2628  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2629  static void do_utfreadchar(compiler_common *common)  static void do_utfreadchar(compiler_common *common)
2630  {  {
2631  /* Fast decoding a UTF-8 character. TMP1 contains the first byte  /* Fast decoding a UTF-8 character. TMP1 contains the first byte
# Line 2378  sljit_emit_fast_return(compiler, RETURN_ Line 2713  sljit_emit_fast_return(compiler, RETURN_
2713  JUMPHERE(jump);  JUMPHERE(jump);
2714    
2715  /* We only have types for characters less than 256. */  /* We only have types for characters less than 256. */
2716  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), (sljit_w)PRIV(utf8_table4) - 0xc0);  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(utf8_table4) - 0xc0);
2717  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
2718  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0);
2719  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
2720  }  }
2721    
2722  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16
2723    
 #ifdef COMPILE_PCRE16  
2724  static void do_utfreadchar(compiler_common *common)  static void do_utfreadchar(compiler_common *common)
2725  {  {
2726  /* Fast decoding a UTF-16 character. TMP1 contains the first 16 bit char  /* Fast decoding a UTF-16 character. TMP1 contains the first 16 bit char
# Line 2411  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UC Line 2745  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UC
2745  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000);  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000);
2746  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
2747  }  }
 #endif /* COMPILE_PCRE16 */  
2748    
2749  #endif /* COMPILE_PCRE8 */  #endif /* COMPILE_PCRE[8|16] */
2750    
2751  #endif /* SUPPORT_UTF */  #endif /* SUPPORT_UTF */
2752    
# Line 2433  SLJIT_ASSERT(UCD_BLOCK_SIZE == 128 && si Line 2766  SLJIT_ASSERT(UCD_BLOCK_SIZE == 128 && si
2766    
2767  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
2768  OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);  OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
2769  OP1(SLJIT_MOV_UB, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_w)PRIV(ucd_stage1));  OP1(SLJIT_MOV_UB, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1));
2770  OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);  OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);
2771  OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);  OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
2772  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0);
2773  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_stage2));  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_stage2));
2774  OP1(SLJIT_MOV_UH, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1);  OP1(SLJIT_MOV_UH, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1);
2775  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype));
2776  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3);  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3);
2777  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
2778  }  }
# Line 2453  struct sljit_label *newlinelabel = NULL; Line 2786  struct sljit_label *newlinelabel = NULL;
2786  struct sljit_jump *start;  struct sljit_jump *start;
2787  struct sljit_jump *end = NULL;  struct sljit_jump *end = NULL;
2788  struct sljit_jump *nl = NULL;  struct sljit_jump *nl = NULL;
2789  #ifdef SUPPORT_UTF  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2790  struct sljit_jump *singlechar;  struct sljit_jump *singlechar;
2791  #endif  #endif
2792  jump_list *newline = NULL;  jump_list *newline = NULL;
# Line 2508  if (newlinecheck) Line 2841  if (newlinecheck)
2841    end = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);    end = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
2842    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
2843    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, common->newline & 0xff);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, common->newline & 0xff);
2844    COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
2845  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2846    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT);
2847  #endif  #endif
2848    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
2849    nl = JUMP(SLJIT_JUMP);    nl = JUMP(SLJIT_JUMP);
# Line 2531  if (newlinecheck) Line 2864  if (newlinecheck)
2864    CMPTO(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, newlinelabel);    CMPTO(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff, newlinelabel);
2865    
2866  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
2867  #if defined SUPPORT_UTF && defined COMPILE_PCRE8  #if defined SUPPORT_UTF && !defined COMPILE_PCRE32
2868    #if defined COMPILE_PCRE8
2869  if (common->utf)  if (common->utf)
2870    {    {
2871    singlechar = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);    singlechar = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
2872    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)PRIV(utf8_table4) - 0xc0);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
2873    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
2874    JUMPHERE(singlechar);    JUMPHERE(singlechar);
2875    }    }
2876  #endif  #elif defined COMPILE_PCRE16
 #if defined SUPPORT_UTF && defined COMPILE_PCRE16  
2877  if (common->utf)  if (common->utf)
2878    {    {
2879    singlechar = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);    singlechar = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
2880    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
2881    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
2882    COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
2883    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
2884    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
2885    JUMPHERE(singlechar);    JUMPHERE(singlechar);
2886    }    }
2887  #endif  #endif /* COMPILE_PCRE[8|16] */
2888    #endif /* SUPPORT_UTF && !COMPILE_PCRE32 */
2889  JUMPHERE(start);  JUMPHERE(start);
2890    
2891  if (newlinecheck)  if (newlinecheck)
# Line 2570  static SLJIT_INLINE BOOL fast_forward_fi Line 2904  static SLJIT_INLINE BOOL fast_forward_fi
2904  DEFINE_COMPILER;  DEFINE_COMPILER;
2905  struct sljit_label *start;  struct sljit_label *start;
2906  struct sljit_jump *quit;  struct sljit_jump *quit;
2907  pcre_int32 chars[MAX_N_CHARS * 2];  pcre_uint32 chars[MAX_N_CHARS * 2];
2908  pcre_uchar *cc = common->start + 1 + IMM2_SIZE;  pcre_uchar *cc = common->start + 1 + LINK_SIZE;
2909  int location = 0;  int location = 0;
2910  pcre_int32 len, c, bit, caseless;  pcre_int32 len, c, bit, caseless;
2911  int must_stop;  int must_stop;
# Line 2694  if (firstline) Line 3028  if (firstline)
3028    {    {
3029    SLJIT_ASSERT(common->first_line_end != 0);    SLJIT_ASSERT(common->first_line_end != 0);
3030    OP1(SLJIT_MOV, TMP3, 0, STR_END, 0);    OP1(SLJIT_MOV, TMP3, 0, STR_END, 0);
3031    OP2(SLJIT_SUB, STR_END, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->first_line_end, SLJIT_IMM, (location >> 1) - 1);    OP2(SLJIT_SUB, STR_END, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->first_line_end, SLJIT_IMM, IN_UCHARS((location >> 1) - 1));
3032    }    }
3033  else  else
3034    OP2(SLJIT_SUB, STR_END, 0, STR_END, 0, SLJIT_IMM, (location >> 1) - 1);    OP2(SLJIT_SUB, STR_END, 0, STR_END, 0, SLJIT_IMM, IN_UCHARS((location >> 1) - 1));
3035    
3036  start = LABEL();  start = LABEL();
3037  quit = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);  quit = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
# Line 2726  JUMPHERE(quit); Line 3060  JUMPHERE(quit);
3060  if (firstline)  if (firstline)
3061    OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);    OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
3062  else  else
3063    OP2(SLJIT_ADD, STR_END, 0, STR_END, 0, SLJIT_IMM, (location >> 1) - 1);    OP2(SLJIT_ADD, STR_END, 0, STR_END, 0, SLJIT_IMM, IN_UCHARS((location >> 1) - 1));
3064  return TRUE;  return TRUE;
3065  }  }
3066    
# Line 2765  if (first_char == oc) Line 3099  if (first_char == oc)
3099  else  else
3100    {    {
3101    bit = first_char ^ oc;    bit = first_char ^ oc;
3102    if (ispowerof2(bit))    if (is_powerof2(bit))
3103      {      {
3104      OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, bit);      OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, bit);
3105      found = CMP(SLJIT_C_EQUAL, TMP2, 0, SLJIT_IMM, first_char | bit);      found = CMP(SLJIT_C_EQUAL, TMP2, 0, SLJIT_IMM, first_char | bit);
# Line 2773  else Line 3107  else
3107    else    else
3108      {      {
3109      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, first_char);      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, first_char);
3110      COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);      OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
3111      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, oc);      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, oc);
3112      COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);      OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3113      found = JUMP(SLJIT_C_NOT_ZERO);      found = JUMP(SLJIT_C_NOT_ZERO);
3114      }      }
3115    }    }
# Line 2817  if (common->nltype == NLTYPE_FIXED && co Line 3151  if (common->nltype == NLTYPE_FIXED && co
3151    
3152    OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(2));    OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, IN_UCHARS(2));
3153    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, STR_PTR, 0, TMP1, 0);
3154    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_GREATER_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_GREATER_EQUAL);
3155  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3156    OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCHAR_SHIFT);
3157  #endif  #endif
3158    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);    OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
3159    
# Line 2860  if (common->nltype == NLTYPE_ANY || comm Line 3194  if (common->nltype == NLTYPE_ANY || comm
3194    notfoundnl = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);    notfoundnl = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);
3195    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
3196    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_NL);
3197    COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
3198  #ifdef COMPILE_PCRE16  #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3199    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT);
3200  #endif  #endif
3201    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
3202    JUMPHERE(notfoundnl);    JUMPHERE(notfoundnl);
# Line 2875  if (firstline) Line 3209  if (firstline)
3209    OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);    OP1(SLJIT_MOV, STR_END, 0, TMP3, 0);
3210  }  }
3211    
3212    static BOOL check_class_ranges(compiler_common *common, const pcre_uint8 *bits, BOOL nclass, jump_list **backtracks);
3213    
3214  static SLJIT_INLINE void fast_forward_start_bits(compiler_common *common, sljit_uw start_bits, BOOL firstline)  static SLJIT_INLINE void fast_forward_start_bits(compiler_common *common, sljit_uw start_bits, BOOL firstline)
3215  {  {
3216  DEFINE_COMPILER;  DEFINE_COMPILER;
3217  struct sljit_label *start;  struct sljit_label *start;
3218  struct sljit_jump *quit;  struct sljit_jump *quit;
3219  struct sljit_jump *found;  struct sljit_jump *found = NULL;
3220    jump_list *matches = NULL;
3221    pcre_uint8 inverted_start_bits[32];
3222    int i;
3223  #ifndef COMPILE_PCRE8  #ifndef COMPILE_PCRE8
3224  struct sljit_jump *jump;  struct sljit_jump *jump;
3225  #endif  #endif
3226    
3227    for (i = 0; i < 32; ++i)
3228      inverted_start_bits[i] = ~(((pcre_uint8*)start_bits)[i]);
3229    
3230  if (firstline)  if (firstline)
3231    {    {
3232    SLJIT_ASSERT(common->first_line_end != 0);    SLJIT_ASSERT(common->first_line_end != 0);
# Line 2899  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_P Line 3241  OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_P
3241  if (common->utf)  if (common->utf)
3242    OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);    OP1(SLJIT_MOV, TMP3, 0, TMP1, 0);
3243  #endif  #endif
3244    
3245    if (!check_class_ranges(common, inverted_start_bits, (inverted_start_bits[31] & 0x80) != 0, &matches))
3246      {
3247  #ifndef COMPILE_PCRE8  #ifndef COMPILE_PCRE8
3248  jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 255);    jump = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 255);
3249  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 255);    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 255);
3250  JUMPHERE(jump);    JUMPHERE(jump);
3251  #endif  #endif
3252  OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);    OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
3253  OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);    OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
3254  OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), start_bits);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), start_bits);
3255  OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);    OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
3256  OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);    OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
3257  found = JUMP(SLJIT_C_NOT_ZERO);    found = JUMP(SLJIT_C_NOT_ZERO);
3258      }
3259    
3260  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
3261  if (common->utf)  if (common->utf)
3262    OP1(SLJIT_MOV, TMP1, 0, TMP3, 0);    OP1(SLJIT_MOV, TMP1, 0, TMP3, 0);
3263  #endif  #endif
3264  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));  OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
3265  #if defined SUPPORT_UTF && defined COMPILE_PCRE8  #ifdef SUPPORT_UTF
3266    #if defined COMPILE_PCRE8
3267  if (common->utf)  if (common->utf)
3268    {    {
3269    CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0, start);    CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0, start);
3270    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)PRIV(utf8_table4) - 0xc0);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
3271    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
3272    }    }
3273  #endif  #elif defined COMPILE_PCRE16
 #if defined SUPPORT_UTF && defined COMPILE_PCRE16  
3274  if (common->utf)  if (common->utf)
3275    {    {
3276    CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800, start);    CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800, start);
3277    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);    OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
3278    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
3279    COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
3280    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);    OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
3281    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
3282    }    }
3283  #endif  #endif /* COMPILE_PCRE[8|16] */
3284    #endif /* SUPPORT_UTF */
3285  JUMPTO(SLJIT_JUMP, start);  JUMPTO(SLJIT_JUMP, start);
3286  JUMPHERE(found);  if (found != NULL)
3287      JUMPHERE(found);
3288    if (matches != NULL)
3289      set_jumps(matches, LABEL());
3290  JUMPHERE(quit);  JUMPHERE(quit);
3291    
3292  if (firstline)  if (firstline)
# Line 2952  struct sljit_jump *alreadyfound; Line 3302  struct sljit_jump *alreadyfound;
3302  struct sljit_jump *found;  struct sljit_jump *found;
3303  struct sljit_jump *foundoc = NULL;  struct sljit_jump *foundoc = NULL;
3304  struct sljit_jump *notfound;  struct sljit_jump *notfound;
3305  pcre_uchar oc, bit;  pcre_uint32 oc, bit;
3306    
3307  SLJIT_ASSERT(common->req_char_ptr != 0);  SLJIT_ASSERT(common->req_char_ptr != 0);
3308  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->req_char_ptr);  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->req_char_ptr);
# Line 2983  if (req_char == oc) Line 3333  if (req_char == oc)
3333  else  else
3334    {    {
3335    bit = req_char ^ oc;    bit = req_char ^ oc;
3336    if (ispowerof2(bit))    if (is_powerof2(bit))
3337      {      {
3338      OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, bit);      OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, bit);
3339      found = CMP(SLJIT_C_EQUAL, TMP2, 0, SLJIT_IMM, req_char | bit);      found = CMP(SLJIT_C_EQUAL, TMP2, 0, SLJIT_IMM, req_char | bit);
# Line 3019  GET_LOCAL_BASE(TMP3, 0, 0); Line 3369  GET_LOCAL_BASE(TMP3, 0, 0);
3369  /* Drop frames until we reach STACK_TOP. */  /* Drop frames until we reach STACK_TOP. */
3370  mainloop = LABEL();  mainloop = LABEL();
3371  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), 0);  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), 0);
3372  jump = CMP(SLJIT_C_SIG_LESS_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);  OP2(SLJIT_SUB | SLJIT_SET_S, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0);
3373    jump = JUMP(SLJIT_C_SIG_LESS_EQUAL);
3374    
3375  OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP3, 0);  OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP3, 0);
3376  OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(TMP1), sizeof(sljit_w));  OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(TMP1), sizeof(sljit_sw));
3377  OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), sizeof(sljit_w), SLJIT_MEM1(TMP1), 2 * sizeof(sljit_w));  OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), sizeof(sljit_sw), SLJIT_MEM1(TMP1), 2 * sizeof(sljit_sw));
3378  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 3 * sizeof(sljit_w));  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 3 * sizeof(sljit_sw));
3379  JUMPTO(SLJIT_JUMP, mainloop);  JUMPTO(SLJIT_JUMP, mainloop);
3380    
3381  JUMPHERE(jump);  JUMPHERE(jump);
3382  jump = CMP(SLJIT_C_NOT_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);  jump = JUMP(SLJIT_C_SIG_LESS);
3383  /* End of dropping frames. */  /* End of dropping frames. */
3384  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
3385    
3386  JUMPHERE(jump);  JUMPHERE(jump);
3387  jump = CMP(SLJIT_C_NOT_EQUAL, TMP2, 0, SLJIT_IMM, frame_setstrbegin);  OP1(SLJIT_NEG, TMP2, 0, TMP2, 0);
3388  /* Set string begin. */  OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP3, 0);
3389  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), sizeof(sljit_w));  OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(TMP1), sizeof(sljit_sw));
3390  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_w));  OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_sw));
 OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0), TMP2, 0);  
 JUMPTO(SLJIT_JUMP, mainloop);  
   
 JUMPHERE(jump);  
 if (common->mark_ptr != 0)  
   {  
   jump = CMP(SLJIT_C_NOT_EQUAL, TMP2, 0, SLJIT_IMM, frame_setmark);  
   OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), sizeof(sljit_w));  
   OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_w));  
   OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->mark_ptr, TMP2, 0);  
   JUMPTO(SLJIT_JUMP, mainloop);  
   
   JUMPHERE(jump);  
   }  
   
 /* Unknown command. */  
 OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 2 * sizeof(sljit_w));  
3391  JUMPTO(SLJIT_JUMP, mainloop);  JUMPTO(SLJIT_JUMP, mainloop);
3392  }  }
3393    
# Line 3060  static void check_wordboundary(compiler_ Line 3395  static void check_wordboundary(compiler_
3395  {  {
3396  DEFINE_COMPILER;  DEFINE_COMPILER;
3397  struct sljit_jump *skipread;  struct sljit_jump *skipread;
3398    jump_list *skipread_list = NULL;
3399  #if !(defined COMPILE_PCRE8) || defined SUPPORT_UTF  #if !(defined COMPILE_PCRE8) || defined SUPPORT_UTF
3400  struct sljit_jump *jump;  struct sljit_jump *jump;
3401  #endif  #endif
# Line 3085  if (common->use_ucp) Line 3421  if (common->use_ucp)
3421    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
3422    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);
3423    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
3424    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
3425    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);
3426    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);
3427    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_LESS_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
3428    JUMPHERE(jump);    JUMPHERE(jump);
3429    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, TMP2, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, TMP2, 0);
3430    }    }
# Line 3117  else Line 3453  else
3453  JUMPHERE(skipread);  JUMPHERE(skipread);
3454    
3455  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);  OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);
3456  skipread = check_str_end(common);  check_str_end(common, &skipread_list);
3457  peek_char(common);  peek_char(common);
3458    
3459  /* Testing char type. This is a code duplication. */  /* Testing char type. This is a code duplication. */
# Line 3129  if (common->use_ucp) Line 3465  if (common->use_ucp)
3465    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
3466    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll);
3467    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
3468    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
3469    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Nd - ucp_Ll);
3470    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd);
3471    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_LESS_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
3472    JUMPHERE(jump);    JUMPHERE(jump);
3473    }    }
3474  else  else
# Line 3158  else Line 3494  else
3494      JUMPHERE(jump);      JUMPHERE(jump);
3495  #endif /* COMPILE_PCRE8 */  #endif /* COMPILE_PCRE8 */
3496    }    }
3497  JUMPHERE(skipread);  set_jumps(skipread_list, LABEL());
3498    
3499  OP2(SLJIT_XOR | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1);  OP2(SLJIT_XOR | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1);
3500  sljit_emit_fast_return(compiler, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0);  sljit_emit_fast_return(compiler, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0);
# Line 3213  switch(ranges[0]) Line 3549  switch(ranges[0])
3549        }        }
3550      return TRUE;      return TRUE;
3551      }      }
3552    if ((ranges[3] - ranges[2]) == (ranges[5] - ranges[4]) && ispowerof2(ranges[4] - ranges[2]))    if ((ranges[3] - ranges[2]) == (ranges[5] - ranges[4]) && is_powerof2(ranges[4] - ranges[2]))
3553      {      {
3554      if (readch)      if (readch)
3555        read_char(common);        read_char(common);
# Line 3312  sljit_emit_fast_enter(compiler, RETURN_A Line 3648  sljit_emit_fast_enter(compiler, RETURN_A
3648    
3649  OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);  OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);
3650  OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);  OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);
3651  COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS_EQUAL);  OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
3652  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);
3653  #if defined SUPPORT_UTF || defined COMPILE_PCRE16  #if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3654  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3655  if (common->utf)  if (common->utf)
3656    {    {
3657  #endif  #endif
3658    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3659    OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);    OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);
3660    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);
3661  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3662    }    }
3663  #endif  #endif
3664  #endif /* SUPPORT_UTF || COMPILE_PCRE16 */  #endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
3665  COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);  OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3666  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
3667  }  }
3668    
# Line 3338  DEFINE_COMPILER; Line 3674  DEFINE_COMPILER;
3674  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
3675    
3676  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x09);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x09);
3677  COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);  OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
3678  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x20);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x20);
3679  COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);  OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3680  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xa0);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xa0);
3681  #if defined SUPPORT_UTF || defined COMPILE_PCRE16  #if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3682  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3683  if (common->utf)  if (common->utf)
3684    {    {
3685  #endif  #endif
3686    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3687    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x1680);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x1680);
3688    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3689    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e);
3690    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3691    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x2000);    OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x2000);
3692    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x200A - 0x2000);    OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x200A - 0x2000);
3693    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_LESS_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
3694    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x202f - 0x2000);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x202f - 0x2000);
3695    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3696    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x205f - 0x2000);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x205f - 0x2000);
3697    COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3698    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x3000 - 0x2000);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x3000 - 0x2000);
3699  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3700    }    }
3701  #endif  #endif
3702  #endif /* SUPPORT_UTF || COMPILE_PCRE16 */  #endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
3703  COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);  OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3704    
3705  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
3706  }  }
# Line 3378  sljit_emit_fast_enter(compiler, RETURN_A Line 3714  sljit_emit_fast_enter(compiler, RETURN_A
3714    
3715  OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);  OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x0a);
3716  OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);  OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x0d - 0x0a);
3717  COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS_EQUAL);  OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
3718  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);  OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x0a);
3719  #if defined SUPPORT_UTF || defined COMPILE_PCRE16  #if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3720  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3721  if (common->utf)  if (common->utf)
3722    {    {
3723  #endif  #endif
3724    COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3725    OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);    OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x1);
3726    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2029 - 0x0a);
3727  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
3728    }    }
3729  #endif  #endif
3730  #endif /* SUPPORT_UTF || COMPILE_PCRE16 */  #endif /* SUPPORT_UTF || COMPILE_PCRE16 || COMPILE_PCRE32 */
3731  COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);  OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
3732    
3733  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
3734  }  }
# Line 3478  sljit_emit_fast_return(compiler, RETURN_ Line 3814  sljit_emit_fast_return(compiler, RETURN_
3814    
3815  #if defined SUPPORT_UTF && defined SUPPORT_UCP  #if defined SUPPORT_UTF && defined SUPPORT_UCP
3816    
3817  static const pcre_uchar *SLJIT_CALL do_utf_caselesscmp(pcre_uchar *src1, jit_arguments *args, pcre_uchar *end1)  static const pcre_uchar * SLJIT_CALL do_utf_caselesscmp(pcre_uchar *src1, jit_arguments *args, pcre_uchar *end1)
3818  {  {
3819  /* This function would be ineffective to do in JIT level. */  /* This function would be ineffective to do in JIT level. */
3820  pcre_uint32 c1, c2;  pcre_uint32 c1, c2;
# Line 3524  if (caseless && char_has_othercase(commo Line 3860  if (caseless && char_has_othercase(commo
3860    othercasebit = char_get_othercase_bit(common, cc);    othercasebit = char_get_othercase_bit(common, cc);
3861    SLJIT_ASSERT(othercasebit);    SLJIT_ASSERT(othercasebit);
3862    /* Extracting bit difference info. */    /* Extracting bit difference info. */
3863  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
3864    othercasechar = cc + (othercasebit >> 8);    othercasechar = cc + (othercasebit >> 8);
3865    othercasebit &= 0xff;    othercasebit &= 0xff;
3866  #else  #elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
3867  #ifdef COMPILE_PCRE16    /* Note that this code only handles characters in the BMP. If there
3868      ever are characters outside the BMP whose othercase differs in only one
3869      bit from itself (there currently are none), this code will need to be
3870      revised for COMPILE_PCRE32. */
3871    othercasechar = cc + (othercasebit >> 9);    othercasechar = cc + (othercasebit >> 9);
3872    if ((othercasebit & 0x100) != 0)    if ((othercasebit & 0x100) != 0)
3873      othercasebit = (othercasebit & 0xff) << 8;      othercasebit = (othercasebit & 0xff) << 8;
3874    else    else
3875      othercasebit &= 0xff;      othercasebit &= 0xff;
3876  #endif  #endif /* COMPILE_PCRE[8|16|32] */
 #endif  
3877    }    }
3878    
3879  if (context->sourcereg == -1)  if (context->sourcereg == -1)
3880    {    {
3881  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
3882  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
3883    if (context->length >= 4)    if (context->length >= 4)
3884      OP1(SLJIT_MOV_SI, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);      OP1(SLJIT_MOV_SI, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
# Line 3549  if (context->sourcereg == -1) Line 3887  if (context->sourcereg == -1)
3887    else    else
3888  #endif  #endif
3889      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
3890  #else  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
3891  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED
3892    if (context->length >= 4)    if (context->length >= 4)
3893      OP1(SLJIT_MOV_SI, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);      OP1(SLJIT_MOV_SI, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
3894    else    else
3895  #endif  #endif
3896      OP1(SLJIT_MOV_UH, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);      OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
3897  #endif  #elif defined COMPILE_PCRE32
3898  #endif /* COMPILE_PCRE8 */    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length);
3899    #endif /* COMPILE_PCRE[8|16|32] */
3900    context->sourcereg = TMP2;    context->sourcereg = TMP2;
3901    }    }
3902    
# Line 3572  do Line 3910  do
3910  #endif  #endif
3911    
3912    context->length -= IN_UCHARS(1);    context->length -= IN_UCHARS(1);
3913  #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED  #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED) && (defined COMPILE_PCRE8 || defined COMPILE_PCRE16)
3914    
3915    /* Unaligned read is supported. */    /* Unaligned read is supported. */
3916    if (othercasebit != 0 && othercasechar == cc)    if (othercasebit != 0 && othercasechar == cc)
# Line 3587  do Line 3925  do
3925      }      }
3926    context->ucharptr++;    context->ucharptr++;
3927    
3928  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
3929    if (context->ucharptr >= 4 || context->length == 0 || (context->ucharptr == 2 && context->length == 1))    if (context->ucharptr >= 4 || context->length == 0 || (context->ucharptr == 2 && context->length == 1))
3930  #else  #else
3931    if (context->ucharptr >= 2 || context->length == 0)    if (context->ucharptr >= 2 || context->length == 0)
# Line 3595  do Line 3933  do
3933      {      {
3934      if (context->length >= 4)      if (context->length >= 4)
3935        OP1(SLJIT_MOV_SI, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);        OP1(SLJIT_MOV_SI, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
 #ifdef COMPILE_PCRE8  
3936      else if (context->length >= 2)      else if (context->length >= 2)
3937        OP1(SLJIT_MOV_UH, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);        OP1(SLJIT_MOV_UH, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
3938    #if defined COMPILE_PCRE8
3939      else if (context->length >= 1)      else if (context->length >= 1)
3940        OP1(SLJIT_MOV_UB, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);        OP1(SLJIT_MOV_UB, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
3941  #else  #endif /* COMPILE_PCRE8 */
     else if (context->length >= 2)  
       OP1(SLJIT_MOV_UH, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);  
 #endif  
3942      context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;      context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;
3943    
3944      switch(context->ucharptr)      switch(context->ucharptr)
# Line 3637  do Line 3972  do
3972    
3973  #else  #else
3974    
3975    /* Unaligned read is unsupported. */    /* Unaligned read is unsupported or in 32 bit mode. */
3976  #ifdef COMPILE_PCRE8    if (context->length >= 1)
3977    if (context->length > 0)      OP1(MOV_UCHAR, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);
3978      OP1(SLJIT_MOV_UB, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);  
 #else  
   if (context->length > 0)  
     OP1(SLJIT_MOV_UH, context->sourcereg, 0, SLJIT_MEM1(STR_PTR), -context->length);  
 #endif  
3979    context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;    context->sourcereg = context->sourcereg == TMP1 ? TMP2 : TMP1;
3980    
3981    if (othercasebit != 0 && othercasechar == cc)    if (othercasebit != 0 && othercasechar == cc)
# Line 3703  int compares, invertcmp, numberofcmps; Line 4034  int compares, invertcmp, numberofcmps;
4034  BOOL needstype = FALSE, needsscript = FALSE, needschar = FALSE;  BOOL needstype = FALSE, needsscript = FALSE, needschar = FALSE;
4035  BOOL charsaved = FALSE;  BOOL charsaved = FALSE;
4036  int typereg = TMP1, scriptreg = TMP1;  int typereg = TMP1, scriptreg = TMP1;
4037  unsigned int typeoffset;  pcre_int32 typeoffset;
4038  #endif  #endif
4039    
4040  /* Although SUPPORT_UTF must be defined, we are  /* Although SUPPORT_UTF must be defined, we are
# Line 3725  if ((*cc++ & XCL_MAP) != 0) Line 4056  if ((*cc++ & XCL_MAP) != 0)
4056      {      {
4057      OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);      OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
4058      OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);      OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
4059      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)cc);      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)cc);
4060      OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);      OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
4061      OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);      OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
4062      add_jump(compiler, list, JUMP(SLJIT_C_NOT_ZERO));      add_jump(compiler, list, JUMP(SLJIT_C_NOT_ZERO));
# Line 3803  while (*cc != XCL_END) Line 4134  while (*cc != XCL_END)
4134        break;        break;
4135    
4136        case PT_CLIST:        case PT_CLIST:
4137          case PT_UCNC:
4138        needschar = TRUE;        needschar = TRUE;
4139        break;        break;
4140    
# Line 3842  if (needstype || needsscript) Line 4174  if (needstype || needsscript)
4174      {      {
4175      if (scriptreg == TMP1)      if (scriptreg == TMP1)
4176        {        {
4177        OP1(SLJIT_MOV, scriptreg, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script));        OP1(SLJIT_MOV, scriptreg, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script));
4178        OP1(SLJIT_MOV_UB, scriptreg, 0, SLJIT_MEM2(scriptreg, TMP2), 3);        OP1(SLJIT_MOV_UB, scriptreg, 0, SLJIT_MEM2(scriptreg, TMP2), 3);
4179        }        }
4180      else      else
4181        {        {
4182        OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3);        OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3);
4183        OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script));        OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script));
4184        OP1(SLJIT_MOV_UB, scriptreg, 0, SLJIT_MEM1(TMP2), 0);        OP1(SLJIT_MOV_UB, scriptreg, 0, SLJIT_MEM1(TMP2), 0);
4185        }        }
4186      }      }
# Line 3884  while (*cc != XCL_END) Line 4216  while (*cc != XCL_END)
4216      if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))      if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))
4217        {        {
4218        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);
4219        COND_VALUE(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, numberofcmps == 0 ? SLJIT_UNUSED : TMP2, 0, SLJIT_C_EQUAL);
4220        numberofcmps++;        numberofcmps++;
4221        }        }
4222      else if (numberofcmps > 0)      else if (numberofcmps > 0)
4223        {        {
4224        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);
4225        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4226        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4227        numberofcmps = 0;        numberofcmps = 0;
4228        }        }
# Line 3923  while (*cc != XCL_END) Line 4255  while (*cc != XCL_END)
4255      if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))      if (numberofcmps < 3 && (*cc == XCL_SINGLE || *cc == XCL_RANGE))
4256        {        {
4257        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);
4258        COND_VALUE(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS(numberofcmps == 0 ? SLJIT_MOV : SLJIT_OR, TMP2, 0, numberofcmps == 0 ? SLJIT_UNUSED : TMP2, 0, SLJIT_C_LESS_EQUAL);
4259        numberofcmps++;        numberofcmps++;
4260        }        }
4261      else if (numberofcmps > 0)      else if (numberofcmps > 0)
4262        {        {
4263        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c - charoffset);
4264        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
4265        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4266        numberofcmps = 0;        numberofcmps = 0;
4267        }        }
# Line 3960  while (*cc != XCL_END) Line 4292  while (*cc != XCL_END)
4292    
4293        case PT_LAMP:        case PT_LAMP:
4294        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - typeoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - typeoffset);
4295        COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4296        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Ll - typeoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Ll - typeoffset);
4297        COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4298        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lt - typeoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lt - typeoffset);
4299        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4300        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4301        break;        break;
4302    
# Line 3991  while (*cc != XCL_END) Line 4323  while (*cc != XCL_END)
4323          }          }
4324        SET_CHAR_OFFSET(9);        SET_CHAR_OFFSET(9);
4325        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 13 - 9);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 13 - 9);
4326        COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
4327        if (*cc == PT_SPACE)        if (*cc == PT_SPACE)
4328          JUMPHERE(jump);          JUMPHERE(jump);
4329    
4330        SET_TYPE_OFFSET(ucp_Zl);        SET_TYPE_OFFSET(ucp_Zl);
4331        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Zl);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Zl);
4332        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
4333        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4334        break;        break;
4335    
4336        case PT_WORD:        case PT_WORD:
4337        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE - charoffset);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE - charoffset);
4338        COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);        OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4339        /* ... fall through */        /* Fall through. */
4340    
4341        case PT_ALNUM:        case PT_ALNUM:
4342        SET_TYPE_OFFSET(ucp_Ll);        SET_TYPE_OFFSET(ucp_Ll);
4343        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Lu - ucp_Ll);
4344        COND_VALUE((*cc == PT_ALNUM) ? SLJIT_MOV : SLJIT_OR, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS((*cc == PT_ALNUM) ? SLJIT_MOV : SLJIT_OR, TMP2, 0, (*cc == PT_ALNUM) ? SLJIT_UNUSED : TMP2, 0, SLJIT_C_LESS_EQUAL);
4345        SET_TYPE_OFFSET(ucp_Nd);        SET_TYPE_OFFSET(ucp_Nd);
4346        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_No - ucp_Nd);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_No - ucp_Nd);
4347        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_LESS_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
4348        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4349        break;        break;
4350    
4351        case PT_CLIST:        case PT_CLIST:
4352        other_cases = PRIV(ucd_caseless_sets) + cc[1];        other_cases = PRIV(ucd_caseless_sets) + cc[1];
4353    
4354        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, *other_cases++ - charoffset);        /* At least three characters are required.
4355        COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);           Otherwise this case would be handled by the normal code path. */
4356          SLJIT_ASSERT(other_cases[0] != NOTACHAR && other_cases[1] != NOTACHAR && other_cases[2] != NOTACHAR);
4357          SLJIT_ASSERT(other_cases[0] < other_cases[1] && other_cases[1] < other_cases[2]);
4358    
4359          /* Optimizing character pairs, if their difference is power of 2. */
4360          if (is_powerof2(other_cases[1] ^ other_cases[0]))
4361            {
4362            if (charoffset == 0)
4363              OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
4364            else
4365              {
4366              OP2(SLJIT_ADD, TMP2, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)charoffset);
4367              OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
4368              }
4369            OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, other_cases[1]);
4370            OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4371            other_cases += 2;
4372            }
4373          else if (is_powerof2(other_cases[2] ^ other_cases[1]))
4374            {
4375            if (charoffset == 0)
4376              OP2(SLJIT_OR, TMP2, 0, TMP1, 0, SLJIT_IMM, other_cases[2] ^ other_cases[1]);
4377            else
4378              {
4379              OP2(SLJIT_ADD, TMP2, 0, TMP1, 0, SLJIT_IMM, (sljit_sw)charoffset);
4380              OP2(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_IMM, other_cases[1] ^ other_cases[0]);
4381              }
4382            OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, other_cases[2]);
4383            OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4384    
4385            OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, other_cases[0] - charoffset);
4386            OP_FLAGS(SLJIT_OR | ((other_cases[3] == NOTACHAR) ? SLJIT_SET_E : 0), TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4387    
4388            other_cases += 3;
4389            }
4390          else
4391            {
4392            OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, *other_cases++ - charoffset);
4393            OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4394            }
4395    
4396        while (*other_cases < NOTACHAR)        while (*other_cases != NOTACHAR)
4397          {          {
4398          OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, *other_cases++ - charoffset);          OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, *other_cases++ - charoffset);
4399          COND_VALUE(SLJIT_OR, TMP2, 0, SLJIT_C_EQUAL);          OP_FLAGS(SLJIT_OR | ((*other_cases == NOTACHAR) ? SLJIT_SET_E : 0), TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4400          }          }
4401        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);        jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4402        break;        break;
4403    
4404          case PT_UCNC:
4405          OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_DOLLAR_SIGN - charoffset);
4406          OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4407          OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_COMMERCIAL_AT - charoffset);
4408          OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4409          OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, CHAR_GRAVE_ACCENT - charoffset);
4410          OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4411    
4412          SET_CHAR_OFFSET(0xa0);
4413          OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd7ff - charoffset);
4414          OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
4415          SET_CHAR_OFFSET(0);
4416          OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xe000 - 0);
4417          OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_GREATER_EQUAL);
4418          jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
4419          break;
4420        }        }
4421      cc += 2;      cc += 2;
4422      }      }
# Line 4054  int length; Line 4442  int length;
4442  unsigned int c, oc, bit;  unsigned int c, oc, bit;
4443  compare_context context;  compare_context context;
4444  struct sljit_jump *jump[4];  struct sljit_jump *jump[4];
4445    jump_list *end_list;
4446  #ifdef SUPPORT_UTF  #ifdef SUPPORT_UTF
4447  struct sljit_label *label;  struct sljit_label *label;
4448  #ifdef SUPPORT_UCP  #ifdef SUPPORT_UCP
# Line 4122  switch(type) Line 4511  switch(type)
4511    if (common->nltype == NLTYPE_FIXED && common->newline > 255)    if (common->nltype == NLTYPE_FIXED && common->newline > 255)
4512      {      {
4513      jump[0] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);      jump[0] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);
4514        end_list = NULL;
4515      if (common->mode != JIT_PARTIAL_HARD_COMPILE)      if (common->mode != JIT_PARTIAL_HARD_COMPILE)
4516        jump[1] = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);        add_jump(compiler, &end_list, CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
4517      else      else
4518        jump[1] = check_str_end(common);        check_str_end(common, &end_list);
4519    
4520      OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);      OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
4521      add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, common->newline & 0xff));      add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, common->newline & 0xff));
4522      if (jump[1] != NULL)      set_jumps(end_list, LABEL());
       JUMPHERE(jump[1]);  
4523      JUMPHERE(jump[0]);      JUMPHERE(jump[0]);
4524      }      }
4525    else    else
# Line 4144  switch(type) Line 4533  switch(type)
4533      {      {
4534      OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);      OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
4535      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
4536  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
4537    #if defined COMPILE_PCRE8
4538      jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);      jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
4539      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)PRIV(utf8_table4) - 0xc0);      OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
4540      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
4541  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16
 #ifdef COMPILE_PCRE16  
4542      jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);      jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xd800);
4543      OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);      OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00);
4544      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800);
4545      COND_VALUE(SLJIT_MOV, TMP1, 0, SLJIT_C_EQUAL);      OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4546      OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);      OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
4547      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);      OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
4548  #endif /* COMPILE_PCRE16 */  #endif
 #endif /* COMPILE_PCRE8 */  
4549      JUMPHERE(jump[0]);      JUMPHERE(jump[0]);
4550    #endif /* COMPILE_PCRE[8|16] */
4551      return cc;      return cc;
4552      }      }
4553  #endif  #endif
# Line 4189  switch(type) Line 4578  switch(type)
4578    read_char(common);    read_char(common);
4579    jump[0] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);    jump[0] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR);
4580    /* We don't need to handle soft partial matching case. */    /* We don't need to handle soft partial matching case. */
4581      end_list = NULL;
4582    if (common->mode != JIT_PARTIAL_HARD_COMPILE)    if (common->mode != JIT_PARTIAL_HARD_COMPILE)
4583      jump[1] = CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0);      add_jump(compiler, &end_list, CMP(SLJIT_C_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
4584    else    else
4585      jump[1] = check_str_end(common);      check_str_end(common, &end_list);
4586    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);    OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0);
4587    jump[2] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL);    jump[1] = CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_NL);
4588    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));    OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
4589    jump[3] = JUMP(SLJIT_JUMP);    jump[2] = JUMP(SLJIT_JUMP);
4590    JUMPHERE(jump[0]);    JUMPHERE(jump[0]);
4591    check_newlinechar(common, common->bsr_nltype, backtracks, FALSE);    check_newlinechar(common, common->bsr_nltype, backtracks, FALSE);
4592      set_jumps(end_list, LABEL());
4593    JUMPHERE(jump[1]);    JUMPHERE(jump[1]);
4594    JUMPHERE(jump[2]);    JUMPHERE(jump[2]);
   JUMPHERE(jump[3]);  
4595    return cc;    return cc;
4596    
4597    case OP_NOT_HSPACE:    case OP_NOT_HSPACE:
# Line 4225  switch(type) Line 4615  switch(type)
4615    detect_partial_match(common, backtracks);    detect_partial_match(common, backtracks);
4616    read_char(common);    read_char(common);
4617    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
4618    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));
4619    /* Optimize register allocation: use a real register. */    /* Optimize register allocation: use a real register. */
4620    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, STACK_TOP, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, STACK_TOP, 0);
4621    OP1(SLJIT_MOV_UB, STACK_TOP, 0, SLJIT_MEM2(TMP1, TMP2), 3);    OP1(SLJIT_MOV_UB, STACK_TOP, 0, SLJIT_MEM2(TMP1, TMP2), 3);
# Line 4235  switch(type) Line 4625  switch(type)
4625    OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);    OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
4626    read_char(common);    read_char(common);
4627    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL));
4628    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_w)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, gbprop));
4629    OP1(SLJIT_MOV_UB, TMP2, 0, SLJIT_MEM2(TMP1, TMP2), 3);    OP1(SLJIT_MOV_UB, TMP2, 0, SLJIT_MEM2(TMP1, TMP2), 3);
4630    
4631    OP2(SLJIT_SHL, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 2);    OP2(SLJIT_SHL, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 2);
4632    OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), (sljit_w)PRIV(ucp_gbtable));    OP1(SLJIT_MOV_UI, TMP1, 0, SLJIT_MEM1(STACK_TOP), (sljit_sw)PRIV(ucp_gbtable));
4633    OP1(SLJIT_MOV, STACK_TOP, 0, TMP2, 0);    OP1(SLJIT_MOV, STACK_TOP, 0, TMP2, 0);
4634    OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);    OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
4635    OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);    OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
# Line 4272  switch(type) Line 4662  switch(type)
4662        {        {
4663        jump[1] = CMP(SLJIT_C_EQUAL, TMP2, 0, STR_END, 0);        jump[1] = CMP(SLJIT_C_EQUAL, TMP2, 0, STR_END, 0);
4664        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP2, 0, STR_END, 0);        OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP2, 0, STR_END, 0);
4665        COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_LESS);        OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS);
4666        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);        OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff);
4667        COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_NOT_EQUAL);        OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_NOT_EQUAL);
4668        add_jump(compiler, backtracks, JUMP(SLJIT_C_NOT_EQUAL));        add_jump(compiler, backtracks, JUMP(SLJIT_C_NOT_EQUAL));
4669        check_partial(common, TRUE);        check_partial(common, TRUE);
4670        add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));        add_jump(compiler, backtracks, JUMP(SLJIT_JUMP));
# Line 4454  switch(type) Line 4844  switch(type)
4844      }      }
4845    oc = char_othercase(common, c);    oc = char_othercase(common, c);
4846    bit = c ^ oc;    bit = c ^ oc;
4847    if (ispowerof2(bit))    if (is_powerof2(bit))
4848      {      {
4849      OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);      OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);
4850      add_jump(compiler, backtracks, CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));      add_jump(compiler, backtracks, CMP(SLJIT_C_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));
4851      return cc + length;      return cc + length;
4852      }      }
4853    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, c);
4854    COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
4855    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, oc);    OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, oc);
4856    COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);    OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
4857    add_jump(compiler, backtracks, JUMP(SLJIT_C_ZERO));    add_jump(compiler, backtracks, JUMP(SLJIT_C_ZERO));
4858    return cc + length;    return cc + length;
4859    
# Line 4490  switch(type) Line 4880  switch(type)
4880        /* Skip the variable-length character. */        /* Skip the variable-length character. */
4881        OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));        OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1));
4882        jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);        jump[0] = CMP(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, 0xc0);
4883        OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)PRIV(utf8_table4) - 0xc0);        OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0);
4884        OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);        OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0);
4885        JUMPHERE(jump[0]);        JUMPHERE(jump[0]);
4886        return cc + 1;        return cc + 1;
# Line 4515  switch(type) Line 4905  switch(type)
4905      {      {
4906      oc = char_othercase(common, c);      oc = char_othercase(common, c);
4907      bit = c ^ oc;      bit = c ^ oc;
4908      if (ispowerof2(bit))      if (is_powerof2(bit))
4909        {        {
4910        OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);        OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit);
4911        add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));        add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, c | bit));
# Line 4553  switch(type) Line 4943  switch(type)
4943  #endif /* SUPPORT_UTF || !COMPILE_PCRE8 */  #endif /* SUPPORT_UTF || !COMPILE_PCRE8 */
4944    OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);    OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7);
4945    OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);    OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 3);
4946    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_w)cc);    OP1(SLJIT_MOV_UB, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)cc);
4947    OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);    OP2(SLJIT_SHL, TMP2, 0, SLJIT_IMM, 1, TMP2, 0);
4948    OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);    OP2(SLJIT_AND | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, TMP2, 0);
4949    add_jump(compiler, backtracks, JUMP(SLJIT_C_ZERO));    add_jump(compiler, backtracks, JUMP(SLJIT_C_ZERO));
# Line 4563  switch(type) Line 4953  switch(type)
4953  #endif /* SUPPORT_UTF || !COMPILE_PCRE8 */  #endif /* SUPPORT_UTF || !COMPILE_PCRE8 */
4954    return cc + 32 / sizeof(pcre_uchar);    return cc + 32 / sizeof(pcre_uchar);
4955    
4956  #if defined SUPPORT_UTF || defined COMPILE_PCRE16  #if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
4957    case OP_XCLASS:    case OP_XCLASS:
4958    compile_xclass_matchingpath(common, cc + LINK_SIZE, backtracks);    compile_xclass_matchingpath(common, cc + LINK_SIZE, backtracks);
4959    return cc + GET(cc, 0) - 1;    return cc + GET(cc, 0) - 1;
# Line 4677  if (!common->jscript_compat) Line 5067  if (!common->jscript_compat)
5067      {      {
5068      /* OVECTOR(1) contains the "string begin - 1" constant. */      /* OVECTOR(1) contains the "string begin - 1" constant. */
5069      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
5070      COND_VALUE(SLJIT_MOV, TMP2, 0, SLJIT_C_EQUAL);      OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
5071      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));      OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
5072      COND_VALUE(SLJIT_OR | SLJIT_SET_E, TMP2, 0, SLJIT_C_EQUAL);      OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
5073      return JUMP(SLJIT_C_NOT_ZERO);      return JUMP(SLJIT_C_NOT_ZERO);
5074      }      }
5075    add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));    add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
# Line 4735  if (withchecks && !common->jscript_compa Line 5125  if (withchecks && !common->jscript_compa
5125  #if defined SUPPORT_UTF && defined SUPPORT_UCP  #if defined SUPPORT_UTF && defined SUPPORT_UCP
5126  if (common->utf && *cc == OP_REFI)  if (common->utf && *cc == OP_REFI)
5127    {    {
5128    SLJIT_ASSERT(TMP1 == SLJIT_TEMPORARY_REG1 && STACK_TOP == SLJIT_TEMPORARY_REG2 && TMP2 == SLJIT_TEMPORARY_REG3);    SLJIT_ASSERT(TMP1 == SLJIT_SCRATCH_REG1 && STACK_TOP == SLJIT_SCRATCH_REG2 && TMP2 == SLJIT_SCRATCH_REG3);
5129    OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));    OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
5130    if (withchecks)    if (withchecks)
5131      jump = CMP(SLJIT_C_EQUAL, TMP1, 0, TMP2, 0);      jump = CMP(SLJIT_C_EQUAL, TMP1, 0, TMP2, 0);
5132    
5133    /* Needed to save important temporary registers. */    /* Needed to save important temporary registers. */
5134    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, STACK_TOP, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, STACK_TOP, 0);
5135    OP1(SLJIT_MOV, SLJIT_TEMPORARY_REG2, 0, ARGUMENTS, 0);    OP1(SLJIT_MOV, SLJIT_SCRATCH_REG2, 0, ARGUMENTS, 0);
5136    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_TEMPORARY_REG2), SLJIT_OFFSETOF(jit_arguments, uchar_ptr), STR_PTR, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SCRATCH_REG2), SLJIT_OFFSETOF(jit_arguments, uchar_ptr), STR_PTR, 0);
5137    sljit_emit_ijump(compiler, SLJIT_CALL3, SLJIT_IMM, SLJIT_FUNC_OFFSET(do_utf_caselesscmp));    sljit_emit_ijump(compiler, SLJIT_CALL3, SLJIT_IMM, SLJIT_FUNC_OFFSET(do_utf_caselesscmp));
5138    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0);    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0);
5139    if (common->mode == JIT_COMPILE)    if (common->mode == JIT_COMPILE)
# Line 4856  if (!minimize) Line 5246  if (!minimize)
5246      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
5247      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
5248      /* Temporary release of STR_PTR. */      /* Temporary release of STR_PTR. */
5249      OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_w));      OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
5250      zerolength = compile_ref_checks(common, ccbegin, NULL);      zerolength = compile_ref_checks(common, ccbegin, NULL);
5251      /* Restore if not zero length. */      /* Restore if not zero length. */
5252      OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_w));      OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
5253      }      }
5254    else    else
5255      {      {
# Line 4951  DEFINE_COMPILER; Line 5341  DEFINE_COMPILER;
5341  backtrack_common *backtrack;  backtrack_common *backtrack;
5342  recurse_entry *entry = common->entries;  recurse_entry *entry = common->entries;
5343  recurse_entry *prev = NULL;  recurse_entry *prev = NULL;
5344  int start = GET(cc, 1);  sljit_sw start = GET(cc, 1);
5345    pcre_uchar *start_cc;
5346    BOOL needs_control_head;
5347    
5348  PUSH_BACKTRACK(sizeof(recurse_backtrack), cc, NULL);  PUSH_BACKTRACK(sizeof(recurse_backtrack), cc, NULL);
5349    
5350    /* Inlining simple patterns. */
5351    if (get_framesize(common, common->start + start, NULL, TRUE, &needs_control_head) == no_stack)
5352      {
5353      start_cc = common->start + start;
5354      compile_matchingpath(common, next_opcode(common, start_cc), bracketend(start_cc) - (1 + LINK_SIZE), backtrack);
5355      BACKTRACK_AS(recurse_backtrack)->inlined_pattern = TRUE;
5356      return cc + 1 + LINK_SIZE;
5357      }
5358    
5359  while (entry != NULL)  while (entry != NULL)
5360    {    {
5361    if (entry->start == start)    if (entry->start == start)
# Line 5002  add_jump(compiler, &backtrack->topbacktr Line 5404  add_jump(compiler, &backtrack->topbacktr
5404  return cc + 1 + LINK_SIZE;  return cc + 1 + LINK_SIZE;
5405  }  }
5406    
5407    static int SLJIT_CALL do_callout(struct jit_arguments* arguments, PUBL(callout_block) *callout_block, pcre_uchar **jit_ovector)
5408    {
5409    const pcre_uchar *begin = arguments->begin;
5410    int *offset_vector = arguments->offsets;
5411    int offset_count = arguments->offset_count;
5412    int i;
5413    
5414    if (PUBL(callout) == NULL)
5415      return 0;
5416    
5417    callout_block->version = 2;
5418    callout_block->callout_data = arguments->callout_data;
5419    
5420    /* Offsets in subject. */
5421    callout_block->subject_length = arguments->end - arguments->begin;
5422    callout_block->start_match = (pcre_uchar*)callout_block->subject - arguments->begin;
5423    callout_block->current_position = (pcre_uchar*)callout_block->offset_vector - arguments->begin;
5424    #if defined COMPILE_PCRE8
5425    callout_block->subject = (PCRE_SPTR)begin;
5426    #elif defined COMPILE_PCRE16
5427    callout_block->subject = (PCRE_SPTR16)begin;
5428    #elif defined COMPILE_PCRE32
5429    callout_block->subject = (PCRE_SPTR32)begin;
5430    #endif
5431    
5432    /* Convert and copy the JIT offset vector to the offset_vector array. */
5433    callout_block->capture_top = 0;
5434    callout_block->offset_vector = offset_vector;
5435    for (i = 2; i < offset_count; i += 2)
5436      {
5437      offset_vector[i] = jit_ovector[i] - begin;
5438      offset_vector[i + 1] = jit_ovector[i + 1] - begin;
5439      if (jit_ovector[i] >= begin)
5440        callout_block->capture_top = i;
5441      }
5442    
5443    callout_block->capture_top = (callout_block->capture_top >> 1) + 1;
5444    if (offset_count > 0)
5445      offset_vector[0] = -1;
5446    if (offset_count > 1)
5447      offset_vector[1] = -1;
5448    return (*PUBL(callout))(callout_block);
5449    }
5450    
5451    /* Aligning to 8 byte. */
5452    #define CALLOUT_ARG_SIZE \
5453        (((int)sizeof(PUBL(callout_block)) + 7) & ~7)
5454    
5455    #define CALLOUT_ARG_OFFSET(arg) \
5456        (-CALLOUT_ARG_SIZE + SLJIT_OFFSETOF(PUBL(callout_block), arg))
5457    
5458    static SLJIT_INLINE pcre_uchar *compile_callout_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
5459    {
5460    DEFINE_COMPILER;
5461    backtrack_common *backtrack;
5462    
5463    PUSH_BACKTRACK(sizeof(backtrack_common), cc, NULL);
5464    
5465    allocate_stack(common, CALLOUT_ARG_SIZE / sizeof(sljit_sw));
5466    
5467    OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->capture_last_ptr);
5468    OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0);
5469    SLJIT_ASSERT(common->capture_last_ptr != 0);
5470    OP1(SLJIT_MOV_SI, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(callout_number), SLJIT_IMM, cc[1]);
5471    OP1(SLJIT_MOV_SI, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(capture_last), TMP2, 0);
5472    
5473    /* These pointer sized fields temporarly stores internal variables. */
5474    OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));
5475    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(offset_vector), STR_PTR, 0);
5476    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(subject), TMP2, 0);
5477    
5478    if (common->mark_ptr != 0)
5479      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, mark_ptr));
5480    OP1(SLJIT_MOV_SI, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(pattern_position), SLJIT_IMM, GET(cc, 2));
5481    OP1(SLJIT_MOV_SI, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(next_item_length), SLJIT_IMM, GET(cc, 2 + LINK_SIZE));
5482    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), CALLOUT_ARG_OFFSET(mark), (common->mark_ptr != 0) ? TMP2 : SLJIT_IMM, 0);
5483    
5484    /* Needed to save important temporary registers. */
5485    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, STACK_TOP, 0);
5486    OP2(SLJIT_SUB, SLJIT_SCRATCH_REG2, 0, STACK_TOP, 0, SLJIT_IMM, CALLOUT_ARG_SIZE);
5487    GET_LOCAL_BASE(SLJIT_SCRATCH_REG3, 0, OVECTOR_START);
5488    sljit_emit_ijump(compiler, SLJIT_CALL3, SLJIT_IMM, SLJIT_FUNC_OFFSET(do_callout));
5489    OP1(SLJIT_MOV_SI, SLJIT_RETURN_REG, 0, SLJIT_RETURN_REG, 0);
5490    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0);
5491    free_stack(common, CALLOUT_ARG_SIZE / sizeof(sljit_sw));
5492    
5493    /* Check return value. */
5494    OP2(SLJIT_SUB | SLJIT_SET_S, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0);
5495    add_jump(compiler, &backtrack->topbacktracks, JUMP(SLJIT_C_SIG_GREATER));
5496    if (common->forced_quit_label == NULL)
5497      add_jump(compiler, &common->forced_quit, JUMP(SLJIT_C_SIG_LESS));
5498    else
5499      JUMPTO(SLJIT_C_SIG_LESS, common->forced_quit_label);
5500    return cc + 2 + 2 * LINK_SIZE;
5501    }
5502    
5503    #undef CALLOUT_ARG_SIZE
5504    #undef CALLOUT_ARG_OFFSET
5505    
5506  static pcre_uchar *compile_assert_matchingpath(compiler_common *common, pcre_uchar *cc, assert_backtrack *backtrack, BOOL conditional)  static pcre_uchar *compile_assert_matchingpath(compiler_common *common, pcre_uchar *cc, assert_backtrack *backtrack, BOOL conditional)
5507  {  {
5508  DEFINE_COMPILER;  DEFINE_COMPILER;
5509  int framesize;  int framesize;
5510    int extrasize;
5511    BOOL needs_control_head;
5512  int private_data_ptr;  int private_data_ptr;
5513  backtrack_common altbacktrack;  backtrack_common altbacktrack;
5514  pcre_uchar *ccbegin;  pcre_uchar *ccbegin;
# Line 5015  jump_list *tmp = NULL; Line 5518  jump_list *tmp = NULL;
5518  jump_list **target = (conditional) ? &backtrack->condfailed : &backtrack->common.topbacktracks;  jump_list **target = (conditional) ? &backtrack->condfailed : &backtrack->common.topbacktracks;
5519  jump_list **found;  jump_list **found;
5520  /* Saving previous accept variables. */  /* Saving previous accept variables. */
5521  struct sljit_label *save_quitlabel = common->quitlabel;  BOOL save_local_exit = common->local_exit;
5522  struct sljit_label *save_acceptlabel = common->acceptlabel;  BOOL save_positive_assert = common->positive_assert;
5523    then_trap_backtrack *save_then_trap = common->then_trap;
5524    struct sljit_label *save_quit_label = common->quit_label;
5525    struct sljit_label *save_accept_label = common->accept_label;
5526  jump_list *save_quit = common->quit;  jump_list *save_quit = common->quit;
5527    jump_list *save_positive_assert_quit = common->positive_assert_quit;
5528  jump_list *save_accept = common->accept;  jump_list *save_accept = common->accept;
5529  struct sljit_jump *jump;  struct sljit_jump *jump;
5530  struct sljit_jump *brajump = NULL;  struct sljit_jump *brajump = NULL;
5531    
5532    /* Assert captures then. */
5533    common->then_trap = NULL;
5534    
5535  if (*cc == OP_BRAZERO || *cc == OP_BRAMINZERO)  if (*cc == OP_BRAZERO || *cc == OP_BRAMINZERO)
5536    {    {
5537    SLJIT_ASSERT(!conditional);    SLJIT_ASSERT(!conditional);
# Line 5030  if (*cc == OP_BRAZERO || *cc == OP_BRAMI Line 5540  if (*cc == OP_BRAZERO || *cc == OP_BRAMI
5540    }    }
5541  private_data_ptr = PRIVATE_DATA(cc);  private_data_ptr = PRIVATE_DATA(cc);
5542  SLJIT_ASSERT(private_data_ptr != 0);  SLJIT_ASSERT(private_data_ptr != 0);
5543  framesize = get_framesize(common, cc, FALSE);  framesize = get_framesize(common, cc, NULL, FALSE, &needs_control_head);
5544  backtrack->framesize = framesize;  backtrack->framesize = framesize;
5545  backtrack->private_data_ptr = private_data_ptr;  backtrack->private_data_ptr = private_data_ptr;
5546  opcode = *cc;  opcode = *cc;
# Line 5049  if (bra == OP_BRAMINZERO) Line 5559  if (bra == OP_BRAMINZERO)
5559    
5560  if (framesize < 0)  if (framesize < 0)
5561    {    {
5562    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, STACK_TOP, 0);    extrasize = needs_control_head ? 2 : 1;
5563    allocate_stack(common, 1);    if (framesize == no_frame)
5564        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, STACK_TOP, 0);
5565      allocate_stack(common, extrasize);
5566      if (needs_control_head)
5567        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr);
5568    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
5569      if (needs_control_head)
5570        {
5571        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_IMM, 0);
5572        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
5573        }
5574    }    }
5575  else  else
5576    {    {
5577    allocate_stack(common, framesize + 2);    extrasize = needs_control_head ? 3 : 2;
5578      allocate_stack(common, framesize + extrasize);
5579    OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);    OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);
5580    OP2(SLJIT_SUB, TMP2, 0, STACK_TOP, 0, SLJIT_IMM, -STACK(framesize + 1));    OP2(SLJIT_SUB, TMP2, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + extrasize) * sizeof(sljit_sw));
5581    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP2, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP2, 0);
5582      if (needs_control_head)
5583        OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr);
5584    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
5585    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);    if (needs_control_head)
5586    init_frame(common, ccbegin, framesize + 1, 2, FALSE);      {
5587        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP1, 0);
5588        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP2, 0);
5589        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_IMM, 0);
5590        }
5591      else
5592        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), TMP1, 0);
5593      init_frame(common, ccbegin, NULL, framesize + extrasize - 1, extrasize, FALSE);
5594    }    }
5595    
5596  memset(&altbacktrack, 0, sizeof(backtrack_common));  memset(&altbacktrack, 0, sizeof(backtrack_common));
5597  common->quitlabel = NULL;  if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
5598  common->quit = NULL;    {
5599      /* Negative assert is stronger than positive assert. */
5600      common->local_exit = TRUE;
5601      common->quit_label = NULL;
5602      common->quit = NULL;
5603      common->positive_assert = FALSE;
5604      }
5605    else
5606      common->positive_assert = TRUE;
5607    common->positive_assert_quit = NULL;
5608    
5609  while (1)  while (1)
5610    {    {
5611    common->acceptlabel = NULL;    common->accept_label = NULL;
5612    common->accept = NULL;    common->accept = NULL;
5613    altbacktrack.top = NULL;    altbacktrack.top = NULL;
5614    altbacktrack.topbacktracks = NULL;    altbacktrack.topbacktracks = NULL;
# Line 5081  while (1) Line 5620  while (1)
5620    compile_matchingpath(common, ccbegin + 1 + LINK_SIZE, cc, &altbacktrack);    compile_matchingpath(common, ccbegin + 1 + LINK_SIZE, cc, &altbacktrack);
5621    if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))    if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
5622      {      {
5623      common->quitlabel = save_quitlabel;      if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
5624      common->acceptlabel = save_acceptlabel;        {
5625      common->quit = save_quit;        common->local_exit = save_local_exit;
5626          common->quit_label = save_quit_label;
5627          common->quit = save_quit;
5628          }
5629        common->positive_assert = save_positive_assert;
5630        common->then_trap = save_then_trap;
5631        common->accept_label = save_accept_label;
5632        common->positive_assert_quit = save_positive_assert_quit;
5633      common->accept = save_accept;      common->accept = save_accept;
5634      return NULL;      return NULL;
5635      }      }
5636    common->acceptlabel = LABEL();    common->accept_label = LABEL();
5637    if (common->accept != NULL)    if (common->accept != NULL)
5638      set_jumps(common->accept, common->acceptlabel);      set_jumps(common->accept, common->accept_label);
5639    
5640    /* Reset stack. */    /* Reset stack. */
5641    if (framesize < 0)    if (framesize < 0)
5642      OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);      {
5643    else {      if (framesize == no_frame)
5644          OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);
5645        else
5646          free_stack(common, extrasize);
5647        if (needs_control_head)
5648          OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), 0);
5649        }
5650      else
5651        {
5652      if ((opcode != OP_ASSERT_NOT && opcode != OP_ASSERTBACK_NOT) || conditional)      if ((opcode != OP_ASSERT_NOT && opcode != OP_ASSERTBACK_NOT) || conditional)
5653        {        {
5654        /* We don't need to keep the STR_PTR, only the previous private_data_ptr. */        /* We don't need to keep the STR_PTR, only the previous private_data_ptr. */
5655        OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_w));        OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_sw));
5656          if (needs_control_head)
5657            OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), 0);
5658        }        }
5659      else      else
5660        {        {
5661        OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);        OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);
5662          if (needs_control_head)
5663            OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), (framesize + 1) * sizeof(sljit_sw));
5664        add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));        add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
5665        }        }
5666    }      }
5667    
5668    if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)    if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
5669      {      {
5670      /* We know that STR_PTR was stored on the top of the stack. */      /* We know that STR_PTR was stored on the top of the stack. */
5671      if (conditional)      if (conditional)
5672        OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);        OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), needs_control_head ? sizeof(sljit_sw) : 0);
5673      else if (bra == OP_BRAZERO)      else if (bra == OP_BRAZERO)
5674        {        {
5675        if (framesize < 0)        if (framesize < 0)
5676          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), (extrasize - 1) * sizeof(sljit_sw));
5677        else        else
5678          {          {
5679          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_w));          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_sw));
5680          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), (framesize + 1) * sizeof(sljit_w));          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), (framesize + extrasize - 1) * sizeof(sljit_sw));
5681          OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP1, 0);          OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP1, 0);
5682          }          }
5683        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_w));        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
5684        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
5685        }        }
5686      else if (framesize >= 0)      else if (framesize >= 0)
5687        {        {
5688        /* For OP_BRA and OP_BRAMINZERO. */        /* For OP_BRA and OP_BRAMINZERO. */
5689        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_w));        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_sw));
5690        }        }
5691      }      }
5692    add_jump(compiler, found, JUMP(SLJIT_JUMP));    add_jump(compiler, found, JUMP(SLJIT_JUMP));
# Line 5136  while (1) Line 5694  while (1)
5694    compile_backtrackingpath(common, altbacktrack.top);    compile_backtrackingpath(common, altbacktrack.top);
5695    if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))    if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler)))
5696      {      {
5697      common->quitlabel = save_quitlabel;      if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
5698      common->acceptlabel = save_acceptlabel;        {
5699      common->quit = save_quit;        common->local_exit = save_local_exit;
5700          common->quit_label = save_quit_label;
5701          common->quit = save_quit;
5702          }
5703        common->positive_assert = save_positive_assert;
5704        common->then_trap = save_then_trap;
5705        common->accept_label = save_accept_label;
5706        common->positive_assert_quit = save_positive_assert_quit;
5707      common->accept = save_accept;      common->accept = save_accept;
5708      return NULL;      return NULL;
5709      }      }
# Line 5150  while (1) Line 5715  while (1)
5715    ccbegin = cc;    ccbegin = cc;
5716    cc += GET(cc, 1);    cc += GET(cc, 1);
5717    }    }
5718    
5719    if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
5720      {
5721      SLJIT_ASSERT(common->positive_assert_quit == NULL);
5722      /* Makes the check less complicated below. */
5723      common->positive_assert_quit = common->quit;
5724      }
5725    
5726  /* None of them matched. */  /* None of them matched. */
5727  if (common->quit != NULL)  if (common->positive_assert_quit != NULL)
5728    set_jumps(common->quit, LABEL());    {
5729      jump = JUMP(SLJIT_JUMP);
5730      set_jumps(common->positive_assert_quit, LABEL());
5731      SLJIT_ASSERT(framesize != no_stack);
5732      if (framesize < 0)
5733        OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, SLJIT_IMM, extrasize * sizeof(sljit_sw));
5734      else
5735        {
5736        OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr);
5737        add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
5738        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + extrasize) * sizeof(sljit_sw));
5739        }
5740      JUMPHERE(jump);
5741      }
5742    
5743    if (needs_control_head)
5744      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), common->control_head_ptr, SLJIT_MEM1(STACK_TOP), STACK(1));
5745    
5746  if (opcode == OP_ASSERT || opcode == OP_ASSERTBACK)  if (opcode == OP_ASSERT || opcode == OP_ASSERTBACK)
5747    {    {
# Line 5164  if (opcode == OP_ASSERT || opcode == OP_ Line 5753  if (opcode == OP_ASSERT || opcode == OP_
5753      {      {
5754      /* The topmost item should be 0. */      /* The topmost item should be 0. */
5755      if (bra == OP_BRAZERO)      if (bra == OP_BRAZERO)
5756          {
5757          if (extrasize == 2)
5758            free_stack(common, 1);
5759        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
5760          }
5761      else      else
5762        free_stack(common, 1);        free_stack(common, extrasize);
5763      }      }
5764    else    else
5765      {      {
5766      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(extrasize - 1));
5767      /* The topmost item should be 0. */      /* The topmost item should be 0. */
5768      if (bra == OP_BRAZERO)      if (bra == OP_BRAZERO)
5769        {        {
5770        free_stack(common, framesize + 1);        free_stack(common, framesize + extrasize - 1);
5771        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
5772        }        }
5773      else      else
5774        free_stack(common, framesize + 2);        free_stack(common, framesize + extrasize);
5775      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP1, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), private_data_ptr, TMP1, 0);
5776      }      }
5777    jump = JUMP(SLJIT_JUMP);    jump = JUMP(SLJIT_JUMP);
# Line 5190  if (opcode == OP_ASSERT || opcode == OP_ Line 5783  if (opcode == OP_ASSERT || opcode == OP_
5783    if (framesize < 0)    if (framesize < 0)
5784      {      {
5785      /* We know that STR_PTR was stored on the top of the stack. */      /* We know that STR_PTR was stored on the top of the stack. */
5786      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), (extrasize - 1) * sizeof(sljit_sw));
5787      /* Keep the STR_PTR on the top of the stack. */      /* Keep the STR_PTR on the top of the stack. */
5788      if (bra == OP_BRAZERO)      if (bra == OP_BRAZERO)
5789        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_w));        {
5790          OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
5791          if (extrasize == 2)
5792            OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
5793          }
5794      else if (bra == OP_BRAMINZERO)      else if (bra == OP_BRAMINZERO)
5795        {        {
5796        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_w));        OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
5797        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
5798        }        }
5799      }      }