/[pcre]/code/trunk/pcre_jit_compile.c
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Diff of /code/trunk/pcre_jit_compile.c

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revision 715 by zherczeg, Sat Oct 1 06:42:38 2011 UTC revision 726 by zherczeg, Sun Oct 9 18:53:25 2011 UTC
# Line 352  enum { Line 352  enum {
352  /* Two local variables for possessive quantifiers (char1 cannot use them). */  /* Two local variables for possessive quantifiers (char1 cannot use them). */
353  #define POSSESSIVE0      (2 * sizeof(sljit_w))  #define POSSESSIVE0      (2 * sizeof(sljit_w))
354  #define POSSESSIVE1      (3 * sizeof(sljit_w))  #define POSSESSIVE1      (3 * sizeof(sljit_w))
 /* Head of the saved local variables */  
 #define LOCALS_HEAD      (4 * sizeof(sljit_w))  
355  /* Head of the last recursion. */  /* Head of the last recursion. */
356  #define RECURSIVE_HEAD   (5 * sizeof(sljit_w))  #define RECURSIVE_HEAD   (4 * sizeof(sljit_w))
357  /* Max limit of recursions. */  /* Max limit of recursions. */
358  #define CALL_LIMIT       (7 * sizeof(sljit_w))  #define CALL_LIMIT       (5 * sizeof(sljit_w))
359  /* Last known position of the requested byte. */  /* Last known position of the requested byte. */
360  #define REQ_BYTE_PTR     (8 * sizeof(sljit_w))  #define REQ_BYTE_PTR     (6 * sizeof(sljit_w))
361  /* End pointer of the first line. */  /* End pointer of the first line. */
362  #define FIRSTLINE_END    (9 * sizeof(sljit_w))  #define FIRSTLINE_END    (7 * sizeof(sljit_w))
363  /* The output vector is stored on the stack, and contains pointers  /* The output vector is stored on the stack, and contains pointers
364  to characters. The vector data is divided into two groups: the first  to characters. The vector data is divided into two groups: the first
365  group contains the start / end character pointers, and the second is  group contains the start / end character pointers, and the second is
366  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. */
367  #define OVECTOR_START    (10 * sizeof(sljit_w))  #define OVECTOR_START    (8 * sizeof(sljit_w))
368  #define OVECTOR(i)       (OVECTOR_START + (i) * sizeof(sljit_w))  #define OVECTOR(i)       (OVECTOR_START + (i) * sizeof(sljit_w))
369  #define OVECTOR_PRIV(i)  (common->cbraptr + (i) * sizeof(sljit_w))  #define OVECTOR_PRIV(i)  (common->cbraptr + (i) * sizeof(sljit_w))
370  #define PRIV(cc)         (common->localptrs[(cc) - common->start])  #define PRIV(cc)         (common->localptrs[(cc) - common->start])
# Line 571  switch(*cc) Line 569  switch(*cc)
569    case OP_ASSERTBACK_NOT:    case OP_ASSERTBACK_NOT:
570    case OP_REVERSE:    case OP_REVERSE:
571    case OP_ONCE:    case OP_ONCE:
572      case OP_ONCE_NC:
573    case OP_BRA:    case OP_BRA:
574    case OP_BRAPOS:    case OP_BRAPOS:
575    case OP_COND:    case OP_COND:
# Line 609  while (cc < ccend) Line 608  while (cc < ccend)
608      case OP_ASSERTBACK:      case OP_ASSERTBACK:
609      case OP_ASSERTBACK_NOT:      case OP_ASSERTBACK_NOT:
610      case OP_ONCE:      case OP_ONCE:
611        case OP_ONCE_NC:
612      case OP_BRAPOS:      case OP_BRAPOS:
613      case OP_SBRA:      case OP_SBRA:
614      case OP_SBRAPOS:      case OP_SBRAPOS:
# Line 654  while (cc < ccend) Line 654  while (cc < ccend)
654      case OP_ASSERTBACK:      case OP_ASSERTBACK:
655      case OP_ASSERTBACK_NOT:      case OP_ASSERTBACK_NOT:
656      case OP_ONCE:      case OP_ONCE:
657        case OP_ONCE_NC:
658      case OP_BRAPOS:      case OP_BRAPOS:
659      case OP_SBRA:      case OP_SBRA:
660      case OP_SBRAPOS:      case OP_SBRAPOS:
# Line 693  while (cc < ccend) Line 694  while (cc < ccend)
694  static int get_framesize(compiler_common *common, uschar *cc, BOOL recursive)  static int get_framesize(compiler_common *common, uschar *cc, BOOL recursive)
695  {  {
696  uschar *ccend = bracketend(cc);  uschar *ccend = bracketend(cc);
 uschar *end;  
697  int length = 0;  int length = 0;
698  BOOL possessive = FALSE;  BOOL possessive = FALSE;
 BOOL needs_frame = FALSE;  
699  BOOL setsom_found = FALSE;  BOOL setsom_found = FALSE;
700    
701  if (!recursive && (*cc == OP_CBRAPOS || *cc == OP_SCBRAPOS))  if (!recursive && (*cc == OP_CBRAPOS || *cc == OP_SCBRAPOS))
# Line 720  while (cc < ccend) Line 719  while (cc < ccend)
719      cc += (*cc == OP_SET_SOM) ? 1 : 1 + LINK_SIZE;      cc += (*cc == OP_SET_SOM) ? 1 : 1 + LINK_SIZE;
720      break;      break;
721    
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     if (needs_frame || length > 0)  
       {  
       cc = bracketend(cc);  
       break;  
       }  
     /* Check whether a frame must be created. */  
     end = bracketend(cc);  
     while (cc < end)  
       {  
       if (*cc == OP_SET_SOM || *cc == OP_CBRA || *cc == OP_CBRAPOS  
           || *cc == OP_SCBRA || *cc == OP_SCBRAPOS || *cc == OP_RECURSE)  
         needs_frame = TRUE;  
       cc = next_opcode(common, cc);  
       SLJIT_ASSERT(cc != NULL);  
       }  
     break;  
   
722      case OP_CBRA:      case OP_CBRA:
723      case OP_CBRAPOS:      case OP_CBRAPOS:
724      case OP_SCBRA:      case OP_SCBRA:
# Line 757  while (cc < ccend) Line 734  while (cc < ccend)
734      }      }
735    
736  /* Possessive quantifiers can use a special case. */  /* Possessive quantifiers can use a special case. */
737  if (SLJIT_UNLIKELY(possessive) && !needs_frame && length == 3 + 2)  if (SLJIT_UNLIKELY(possessive) && length == 3)
738    return -1;    return -1;
739    
740  if (length > 0)  if (length > 0)
741    return length + 2;    return length + 1;
742  return needs_frame ? 0 : -1;  return -1;
743  }  }
744    
745  static void init_frame(compiler_common *common, uschar *cc, int stackpos, int stacktop, BOOL recursive)  static void init_frame(compiler_common *common, uschar *cc, int stackpos, int stacktop, BOOL recursive)
746  {  {
 /* TMP2 must contain STACK_TOP - (-STACK(stackpos)) */  
747  DEFINE_COMPILER;  DEFINE_COMPILER;
748  uschar *ccend = bracketend(cc);  uschar *ccend = bracketend(cc);
749  BOOL setsom_found = FALSE;  BOOL setsom_found = FALSE;
750  int offset;  int offset;
751    
752  if (stackpos < stacktop)  /* >= 1 + shortest item size (2) */
753    {  SLJIT_ASSERT(stackpos >= stacktop + 2);
   SLJIT_ASSERT(stackpos + 1 == stacktop);  
   return;  
   }  
754    
755  stackpos = STACK(stackpos);  stackpos = STACK(stackpos);
 OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD);  
 OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP2, 0);  
 OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacktop), TMP1, 0);  
   
756  if (recursive || (*cc != OP_CBRAPOS && *cc != OP_SCBRAPOS))  if (recursive || (*cc != OP_CBRAPOS && *cc != OP_SCBRAPOS))
757    cc = next_opcode(common, cc);    cc = next_opcode(common, cc);
758  SLJIT_ASSERT(cc != NULL);  SLJIT_ASSERT(cc != NULL);
# Line 804  while (cc < ccend) Line 773  while (cc < ccend)
773      cc += (*cc == OP_SET_SOM) ? 1 : 1 + LINK_SIZE;      cc += (*cc == OP_SET_SOM) ? 1 : 1 + LINK_SIZE;
774      break;      break;
775    
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     cc = bracketend(cc);  
     break;  
   
776      case OP_CBRA:      case OP_CBRA:
777      case OP_CBRAPOS:      case OP_CBRAPOS:
778      case OP_SCBRA:      case OP_SCBRA:
# Line 836  while (cc < ccend) Line 797  while (cc < ccend)
797      }      }
798    
799  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_end);  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), stackpos, SLJIT_IMM, frame_end);
800  SLJIT_ASSERT(stackpos == STACK(stacktop + 1));  SLJIT_ASSERT(stackpos == STACK(stacktop));
801  }  }
802    
803  static SLJIT_INLINE int get_localsize(compiler_common *common, uschar *cc, uschar *ccend)  static SLJIT_INLINE int get_localsize(compiler_common *common, uschar *cc, uschar *ccend)
# Line 853  while (cc < ccend) Line 814  while (cc < ccend)
814      case OP_ASSERTBACK:      case OP_ASSERTBACK:
815      case OP_ASSERTBACK_NOT:      case OP_ASSERTBACK_NOT:
816      case OP_ONCE:      case OP_ONCE:
817        case OP_ONCE_NC:
818      case OP_BRAPOS:      case OP_BRAPOS:
819      case OP_SBRA:      case OP_SBRA:
820      case OP_SBRAPOS:      case OP_SBRAPOS:
# Line 955  while (status != end) Line 917  while (status != end)
917        case OP_ASSERTBACK:        case OP_ASSERTBACK:
918        case OP_ASSERTBACK_NOT:        case OP_ASSERTBACK_NOT:
919        case OP_ONCE:        case OP_ONCE:
920          case OP_ONCE_NC:
921        case OP_BRAPOS:        case OP_BRAPOS:
922        case OP_SBRA:        case OP_SBRA:
923        case OP_SBRAPOS:        case OP_SBRAPOS:
# Line 1966  return notfound; Line 1929  return notfound;
1929  static void do_revertframes(compiler_common *common)  static void do_revertframes(compiler_common *common)
1930  {  {
1931  DEFINE_COMPILER;  DEFINE_COMPILER;
 struct sljit_jump *earlyexit;  
1932  struct sljit_jump *jump;  struct sljit_jump *jump;
1933  struct sljit_label *mainloop;  struct sljit_label *mainloop;
1934    
1935  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0, 1, 5, 5, common->localsize);  sljit_emit_fast_enter(compiler, RETURN_ADDR, 0, 1, 5, 5, common->localsize);
1936  OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD);  OP1(SLJIT_MOV, TMP1, 0, STACK_TOP, 0);
1937    
1938  /* Drop frames until we reach STACK_TOP. */  /* Drop frames until we reach STACK_TOP. */
 earlyexit = CMP(SLJIT_C_LESS, TMP1, 0, STACK_TOP, 0);  
1939  mainloop = LABEL();  mainloop = LABEL();
1940  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), 0);  OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), 0);
1941  jump = CMP(SLJIT_C_SIG_LESS_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);  jump = CMP(SLJIT_C_SIG_LESS_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);
# Line 1987  JUMPTO(SLJIT_JUMP, mainloop); Line 1948  JUMPTO(SLJIT_JUMP, mainloop);
1948  JUMPHERE(jump);  JUMPHERE(jump);
1949  jump = CMP(SLJIT_C_NOT_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);  jump = CMP(SLJIT_C_NOT_EQUAL, TMP2, 0, SLJIT_IMM, frame_end);
1950  /* End of dropping frames. */  /* End of dropping frames. */
 OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), sizeof(sljit_w));  
 OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP1, 0);  
 CMPTO(SLJIT_C_GREATER_EQUAL, TMP1, 0, STACK_TOP, 0, mainloop);  
 JUMPHERE(earlyexit);  
1951  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);  sljit_emit_fast_return(compiler, RETURN_ADDR, 0);
1952    
1953  JUMPHERE(jump);  JUMPHERE(jump);
# Line 3632  while (1) Line 3589  while (1)
3589    if (common->accept != NULL)    if (common->accept != NULL)
3590      set_jumps(common->accept, common->acceptlabel);      set_jumps(common->accept, common->acceptlabel);
3591    
3592      /* Reset stack. */
3593    if (framesize < 0)    if (framesize < 0)
3594      OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);      OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);
3595      else {
3596        if ((opcode != OP_ASSERT_NOT && opcode != OP_ASSERTBACK_NOT) || conditional)
3597          {
3598          /* We don't need to keep the STR_PTR, only the previous localptr. */
3599          OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_w));
3600          }
3601        else
3602          {
3603          OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);
3604          add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
3605          }
3606      }
3607    
3608    if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)    if (opcode == OP_ASSERT_NOT || opcode == OP_ASSERTBACK_NOT)
3609      {      {
3610      /* 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. */
3611      if (conditional)      if (conditional)
3612        {        OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);
       if (framesize < 0)  
         OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);  
       else  
         {  
         OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);  
         OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(TMP1), (framesize + 1) * sizeof(sljit_w));  
         }  
       }  
3613      else if (bra == OP_BRAZERO)      else if (bra == OP_BRAZERO)
3614        {        {
3615        if (framesize < 0)        if (framesize < 0)
3616          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);
3617        else        else
3618          {          {
         OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);  
         add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));  
3619          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_w));
3620          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 + 1) * sizeof(sljit_w));
3621          OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);          OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);
# Line 3663  while (1) Line 3623  while (1)
3623        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_w));
3624        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
3625        }        }
3626      else if (bra == OP_BRAMINZERO)      else if (framesize >= 0)
3627        {        {
3628        if (framesize >= 0)        /* For OP_BRA and OP_BRAMINZERO. */
3629          {        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_w));
         OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);  
         add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));  
         OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), framesize * sizeof(sljit_w));  
         }  
3630        }        }
3631      }      }
3632    add_jump(compiler, found, JUMP(SLJIT_JUMP));    add_jump(compiler, found, JUMP(SLJIT_JUMP));
# Line 3697  if (opcode == OP_ASSERT || opcode == OP_ Line 3653  if (opcode == OP_ASSERT || opcode == OP_
3653    /* Assert is failed. */    /* Assert is failed. */
3654    if (conditional || bra == OP_BRAZERO)    if (conditional || bra == OP_BRAZERO)
3655      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
3656    
3657    if (framesize < 0)    if (framesize < 0)
3658      {      {
3659      /* The topmost item should be 0. */      /* The topmost item should be 0. */
# Line 3708  if (opcode == OP_ASSERT || opcode == OP_ Line 3665  if (opcode == OP_ASSERT || opcode == OP_
3665    else    else
3666      {      {
3667      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
     if (framesize > 0)  
       OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(2));  
3668      /* The topmost item should be 0. */      /* The topmost item should be 0. */
3669      if (bra == OP_BRAZERO)      if (bra == OP_BRAZERO)
3670        {        {
# Line 3719  if (opcode == OP_ASSERT || opcode == OP_ Line 3674  if (opcode == OP_ASSERT || opcode == OP_
3674      else      else
3675        free_stack(common, framesize + 2);        free_stack(common, framesize + 2);
3676      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);
     if (framesize > 0)  
       OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP2, 0);  
3677      }      }
3678    jump = JUMP(SLJIT_JUMP);    jump = JUMP(SLJIT_JUMP);
3679    if (bra != OP_BRAZERO)    if (bra != OP_BRAZERO)
# Line 3743  if (opcode == OP_ASSERT || opcode == OP_ Line 3696  if (opcode == OP_ASSERT || opcode == OP_
3696      }      }
3697    else    else
3698      {      {
3699      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);      if (bra == OP_BRA)
     OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(TMP1), (framesize + 1) * sizeof(sljit_w));  
     if (bra == OP_BRAZERO)  
3700        {        {
3701        allocate_stack(common, 1);        /* We don't need to keep the STR_PTR, only the previous localptr. */
3702        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);        OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, (framesize + 1) * sizeof(sljit_w));
3703          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);
3704        }        }
3705      else if (bra == OP_BRAMINZERO)      else
3706        {        {
3707        allocate_stack(common, 1);        /* We don't need to keep the STR_PTR, only the previous localptr. */
3708        OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);        OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, (framesize + 2) * sizeof(sljit_w));
3709          OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
3710          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), bra == OP_BRAZERO ? STR_PTR : SLJIT_IMM, 0);
3711        }        }
3712      }      }
3713    
# Line 3790  else Line 3744  else
3744      {      {
3745      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));      OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
3746      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));      OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(1));
     if (framesize > 0)  
       OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(2));  
3747      /* The topmost item should be 0. */      /* The topmost item should be 0. */
3748      if (bra != OP_BRA)      if (bra != OP_BRA)
3749        {        {
# Line 3801  else Line 3753  else
3753      else      else
3754        free_stack(common, framesize + 2);        free_stack(common, framesize + 2);
3755      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, TMP1, 0);
     if (framesize > 0)  
       OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP2, 0);  
3756      }      }
3757    
3758    if (bra == OP_BRAZERO)    if (bra == OP_BRAZERO)
# Line 3873  return cc + 1 + LINK_SIZE; Line 3823  return cc + 1 + LINK_SIZE;
3823      M - Any values pushed by the current alternative. Can be empty, or anything.      M - Any values pushed by the current alternative. Can be empty, or anything.
3824    
3825    The next list shows the possible content of a bracket:    The next list shows the possible content of a bracket:
3826    (|)     OP_*BRA  | OP_ALT ...         M A    (|)     OP_*BRA    | OP_ALT ...         M A
3827    (?()|)  OP_*COND | OP_ALT             M A    (?()|)  OP_*COND   | OP_ALT             M A
3828    (?>|)   OP_ONCE  | OP_ALT ...         [stack trace] M A    (?>|)   OP_ONCE    | OP_ALT ...         [stack trace] M A
3829                                          Or nothing, if trace is unnecessary    (?>|)   OP_ONCE_NC | OP_ALT ...         [stack trace] M A
3830                                              Or nothing, if trace is unnecessary
3831  */  */
3832    
3833  static uschar *compile_bracket_hotpath(compiler_common *common, uschar *cc, fallback_common *parent)  static uschar *compile_bracket_hotpath(compiler_common *common, uschar *cc, fallback_common *parent)
# Line 3923  cc += GET(cc, 1); Line 3874  cc += GET(cc, 1);
3874  has_alternatives = *cc == OP_ALT || opcode == OP_COND || opcode == OP_SCOND;  has_alternatives = *cc == OP_ALT || opcode == OP_COND || opcode == OP_SCOND;
3875  if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))  if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))
3876    opcode = OP_SCOND;    opcode = OP_SCOND;
3877    if (SLJIT_UNLIKELY(opcode == OP_ONCE_NC))
3878      opcode = OP_ONCE;
3879    
3880  if (opcode == OP_CBRA || opcode == OP_SCBRA)  if (opcode == OP_CBRA || opcode == OP_SCBRA)
3881    {    {
# Line 4130  if (opcode == OP_ONCE) Line 4083  if (opcode == OP_ONCE)
4083        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), 0);        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), 0);
4084        }        }
4085      }      }
4086    else if (ket == OP_KETRMAX)    else
4087      {      {
4088      /* TMP2 which is set here used by OP_KETRMAX below. */      stacksize = (ket == OP_KETRMIN || ket == OP_KETRMAX || has_alternatives) ? 2 : 1;
4089      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);      OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, (FALLBACK_AS(bracket_fallback)->u.framesize + stacksize) * sizeof(sljit_w));
4090      OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP2), (FALLBACK_AS(bracket_fallback)->u.framesize + 1) * sizeof(sljit_w));      if (ket == OP_KETRMAX)
4091          {
4092          /* TMP2 which is set here used by OP_KETRMAX below. */
4093          OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
4094          }
4095      }      }
4096    }    }
4097    
# Line 4368  while (*cc != OP_KETRPOS) Line 4325  while (*cc != OP_KETRPOS)
4325      {      {
4326      if (opcode == OP_CBRAPOS || opcode == OP_SCBRAPOS)      if (opcode == OP_CBRAPOS || opcode == OP_SCBRAPOS)
4327        {        {
4328          OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, stacksize * sizeof(sljit_w));
4329        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr);        OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr);
       if (!zero)  
         OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);  
4330        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1), STR_PTR, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1), STR_PTR, 0);
4331        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr, STR_PTR, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr, STR_PTR, 0);
4332        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset), TMP1, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset), TMP1, 0);
# Line 4378  while (*cc != OP_KETRPOS) Line 4334  while (*cc != OP_KETRPOS)
4334      else      else
4335        {        {
4336        OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);        OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);
4337          OP2(SLJIT_ADD, STACK_TOP, 0, TMP2, 0, SLJIT_IMM, stacksize * sizeof(sljit_w));
4338        if (opcode == OP_SBRAPOS)        if (opcode == OP_SBRAPOS)
4339          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), (framesize + 1) * sizeof(sljit_w));          OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), (framesize + 1) * sizeof(sljit_w));
4340        OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), (framesize + 1) * sizeof(sljit_w), STR_PTR, 0);        OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), (framesize + 1) * sizeof(sljit_w), STR_PTR, 0);
# Line 4386  while (*cc != OP_KETRPOS) Line 4343  while (*cc != OP_KETRPOS)
4343      if (opcode == OP_SBRAPOS || opcode == OP_SCBRAPOS)      if (opcode == OP_SBRAPOS || opcode == OP_SCBRAPOS)
4344        add_jump(compiler, &emptymatch, CMP(SLJIT_C_EQUAL, TMP1, 0, STR_PTR, 0));        add_jump(compiler, &emptymatch, CMP(SLJIT_C_EQUAL, TMP1, 0, STR_PTR, 0));
4345    
     /* TMP2 must be set above. */  
4346      if (!zero)      if (!zero)
4347        {        {
4348        if (framesize < 0)        if (framesize < 0)
4349          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize - 1), SLJIT_IMM, 0);          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(stacksize - 1), SLJIT_IMM, 0);
4350        else        else
4351          OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), (stacksize - 1) * sizeof(sljit_w), SLJIT_IMM, 0);          OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
4352        }        }
4353      }      }
4354    JUMPTO(SLJIT_JUMP, loop);    JUMPTO(SLJIT_JUMP, loop);
# Line 4414  while (*cc != OP_KETRPOS) Line 4370  while (*cc != OP_KETRPOS)
4370      {      {
4371      if (opcode == OP_CBRAPOS || opcode == OP_SCBRAPOS)      if (opcode == OP_CBRAPOS || opcode == OP_SCBRAPOS)
4372        {        {
4373          /* Last alternative. */
4374        if (*cc == OP_KETRPOS)        if (*cc == OP_KETRPOS)
4375          OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);          OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);
4376        OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr);        OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), cbraprivptr);
# Line 4946  while (cc < ccend) Line 4903  while (cc < ccend)
4903      break;      break;
4904    
4905      case OP_ONCE:      case OP_ONCE:
4906        case OP_ONCE_NC:
4907      case OP_BRA:      case OP_BRA:
4908      case OP_CBRA:      case OP_CBRA:
4909      case OP_COND:      case OP_COND:
# Line 5176  static void compile_assert_fallbackpath( Line 5134  static void compile_assert_fallbackpath(
5134  DEFINE_COMPILER;  DEFINE_COMPILER;
5135  uschar *cc = current->cc;  uschar *cc = current->cc;
5136  uschar bra = OP_BRA;  uschar bra = OP_BRA;
 struct sljit_jump *jump;  
5137  struct sljit_jump *brajump = NULL;  struct sljit_jump *brajump = NULL;
5138    
5139  SLJIT_ASSERT(*cc != OP_BRAMINZERO);  SLJIT_ASSERT(*cc != OP_BRAMINZERO);
# Line 5222  if (*cc == OP_ASSERT || *cc == OP_ASSERT Line 5179  if (*cc == OP_ASSERT || *cc == OP_ASSERT
5179    {    {
5180    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(assert_fallback)->localptr);    OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(assert_fallback)->localptr);
5181    add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
5182      OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(assert_fallback)->localptr, SLJIT_MEM1(STACK_TOP), CURRENT_AS(assert_fallback)->framesize * sizeof(sljit_w));
5183    
5184    set_jumps(current->topfallbacks, LABEL());    set_jumps(current->topfallbacks, LABEL());
5185    }    }
5186  else  else
   {  
   jump = JUMP(SLJIT_JUMP);  
   
5187    set_jumps(current->topfallbacks, LABEL());    set_jumps(current->topfallbacks, LABEL());
   OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(assert_fallback)->localptr);  
   add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));  
   JUMPHERE(jump);  
   }  
 OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(assert_fallback)->localptr, SLJIT_MEM1(STACK_TOP), CURRENT_AS(assert_fallback)->framesize * sizeof(sljit_w));  
5188    
5189  if (bra == OP_BRAZERO)  if (bra == OP_BRAZERO)
5190    {    {
# Line 5281  if (opcode == OP_CBRA || opcode == OP_SC Line 5231  if (opcode == OP_CBRA || opcode == OP_SC
5231    offset = (GET2(ccbegin, 1 + LINK_SIZE)) << 1;    offset = (GET2(ccbegin, 1 + LINK_SIZE)) << 1;
5232  if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))  if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))
5233    opcode = OP_SCOND;    opcode = OP_SCOND;
5234    if (SLJIT_UNLIKELY(opcode == OP_ONCE_NC))
5235      opcode = OP_ONCE;
5236    
5237  if (ket == OP_KETRMAX)  if (ket == OP_KETRMAX)
5238    {    {
# Line 5431  if (*cc == OP_ALT || opcode == OP_COND | Line 5383  if (*cc == OP_ALT || opcode == OP_COND |
5383      /* There is a similar code in compile_bracket_hotpath. */      /* There is a similar code in compile_bracket_hotpath. */
5384      if (opcode == OP_ONCE)      if (opcode == OP_ONCE)
5385        {        {
5386        if (CURRENT_AS(bracket_fallback)->u.framesize >= 0)        if (CURRENT_AS(bracket_fallback)->u.framesize < 0)
5387          {          {
5388            OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);
5389            /* TMP2 which is set here used by OP_KETRMAX below. */
5390          if (ket == OP_KETRMAX)          if (ket == OP_KETRMAX)
5391              OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), 0);
5392            else if (ket == OP_KETRMIN)
5393            {            {
5394            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);            /* Move the STR_PTR to the localptr. */
5395            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP2), (CURRENT_AS(bracket_fallback)->u.framesize + 1) * sizeof(sljit_w));            OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), 0);
5396            }            }
5397          }          }
5398        else        else
5399          {          {
5400          OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr);          OP2(SLJIT_ADD, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_IMM, (CURRENT_AS(bracket_fallback)->u.framesize + 2) * sizeof(sljit_w));
         /* The register which is set here used by OP_KETRMAX below. */  
5401          if (ket == OP_KETRMAX)          if (ket == OP_KETRMAX)
5402            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), 0);            {
5403          else if (ket == OP_KETRMIN)            /* TMP2 which is set here used by OP_KETRMAX below. */
5404            OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), localptr, SLJIT_MEM1(STACK_TOP), 0);            OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
5405              }
5406          }          }
5407        }        }
5408    
# Line 5544  else if (opcode == OP_ONCE) Line 5500  else if (opcode == OP_ONCE)
5500      {      {
5501      /* Reset head and drop saved frame. */      /* Reset head and drop saved frame. */
5502      stacksize = (ket == OP_KETRMAX || ket == OP_KETRMIN || *cc == OP_ALT) ? 2 : 1;      stacksize = (ket == OP_KETRMAX || ket == OP_KETRMIN || *cc == OP_ALT) ? 2 : 1;
     if (CURRENT_AS(bracket_fallback)->u.framesize > 0)  
       OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(stacksize));  
5503      free_stack(common, CURRENT_AS(bracket_fallback)->u.framesize + stacksize);      free_stack(common, CURRENT_AS(bracket_fallback)->u.framesize + stacksize);
     if (CURRENT_AS(bracket_fallback)->u.framesize > 0)  
       OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP1, 0);  
5504      }      }
5505    else if (ket == OP_KETRMAX || (*cc == OP_ALT && ket != OP_KETRMIN))    else if (ket == OP_KETRMAX || (*cc == OP_ALT && ket != OP_KETRMIN))
5506      {      {
# Line 5632  if (current->topfallbacks) Line 5584  if (current->topfallbacks)
5584    {    {
5585    jump = JUMP(SLJIT_JUMP);    jump = JUMP(SLJIT_JUMP);
5586    set_jumps(current->topfallbacks, LABEL());    set_jumps(current->topfallbacks, LABEL());
5587    /* Drop the stack frame and restore LOCALS_HEAD. */    /* Drop the stack frame. */
   OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(STACK_TOP), STACK(CURRENT_AS(bracketpos_fallback)->stacksize - CURRENT_AS(bracketpos_fallback)->framesize));  
5588    free_stack(common, CURRENT_AS(bracketpos_fallback)->stacksize);    free_stack(common, CURRENT_AS(bracketpos_fallback)->stacksize);
   OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, TMP1, 0);  
5589    JUMPHERE(jump);    JUMPHERE(jump);
5590    }    }
5591  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(bracketpos_fallback)->localptr, SLJIT_MEM1(STACK_TOP), CURRENT_AS(bracketpos_fallback)->framesize * sizeof(sljit_w));  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), CURRENT_AS(bracketpos_fallback)->localptr, SLJIT_MEM1(STACK_TOP), CURRENT_AS(bracketpos_fallback)->framesize * sizeof(sljit_w));
# Line 5769  while (current) Line 5719  while (current)
5719      break;      break;
5720    
5721      case OP_ONCE:      case OP_ONCE:
5722        case OP_ONCE_NC:
5723      case OP_BRA:      case OP_BRA:
5724      case OP_CBRA:      case OP_CBRA:
5725      case OP_COND:      case OP_COND:
# Line 5840  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), ST Line 5791  OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), ST
5791  copy_locals(common, ccbegin, ccend, TRUE, localsize + framesize + alternativesize, framesize + alternativesize);  copy_locals(common, ccbegin, ccend, TRUE, localsize + framesize + alternativesize, framesize + alternativesize);
5792  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), RECURSIVE_HEAD, STACK_TOP, 0);  OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), RECURSIVE_HEAD, STACK_TOP, 0);
5793  if (needsframe)  if (needsframe)
   {  
   OP2(SLJIT_SUB, TMP2, 0, STACK_TOP, 0, SLJIT_IMM, -STACK(framesize + alternativesize - 1));  
5794    init_frame(common, cc, framesize + alternativesize - 1, alternativesize, FALSE);    init_frame(common, cc, framesize + alternativesize - 1, alternativesize, FALSE);
   }  
5795    
5796  if (alternativesize > 0)  if (alternativesize > 0)
5797    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
# Line 5880  while (1) Line 5828  while (1)
5828    }    }
5829  /* None of them matched. */  /* None of them matched. */
5830  OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 0);  OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 0);
 if (needsframe)  
   OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, SLJIT_MEM1(STACK_TOP), STACK(alternativesize));  
5831  jump = JUMP(SLJIT_JUMP);  jump = JUMP(SLJIT_JUMP);
5832    
5833  set_jumps(common->accept, LABEL());  set_jumps(common->accept, LABEL());
# Line 5889  OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1( Line 5835  OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(
5835  if (needsframe)  if (needsframe)
5836    {    {
5837    OP1(SLJIT_MOV, TMP3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));    OP1(SLJIT_MOV, TMP3, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0));
5838    OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (localsize + framesize + alternativesize) * sizeof(sljit_w));    OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_w));
5839    add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));    add_jump(compiler, &common->revertframes, JUMP(SLJIT_FAST_CALL));
5840    OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (localsize + framesize + alternativesize) * sizeof(sljit_w));    OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, (framesize + alternativesize) * sizeof(sljit_w));
5841    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0), TMP3, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(0), TMP3, 0);
5842    }    }
5843  OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 1);  OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 1);
# Line 6031  sljit_emit_enter(compiler, 1, 5, 5, comm Line 5977  sljit_emit_enter(compiler, 1, 5, 5, comm
5977  reset_ovector(common, (re->top_bracket + 1) * 2);  reset_ovector(common, (re->top_bracket + 1) * 2);
5978  if ((re->flags & PCRE_REQCHSET) != 0)  if ((re->flags & PCRE_REQCHSET) != 0)
5979    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), REQ_BYTE_PTR, SLJIT_TEMPORARY_REG1, 0);    OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), REQ_BYTE_PTR, SLJIT_TEMPORARY_REG1, 0);
 OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS_HEAD, SLJIT_IMM, 0);  
5980    
5981  OP1(SLJIT_MOV, ARGUMENTS, 0, SLJIT_GENERAL_REG1, 0);  OP1(SLJIT_MOV, ARGUMENTS, 0, SLJIT_GENERAL_REG1, 0);
5982  OP1(SLJIT_MOV, TMP1, 0, SLJIT_GENERAL_REG1, 0);  OP1(SLJIT_MOV, TMP1, 0, SLJIT_GENERAL_REG1, 0);
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