pike.git/ src/ interpret.h

2003-04-27

2003-04-27 12:25:34 by Martin Stjernholm <mast@lysator.liu.se>

• 87a4163686c25accfa8e3003c01317be88b6faef (31 lines) (+22/-9) ^{[ Show | Annotate ]}
  Branch: 7.9

Some more Pike_sp optimizations. Added a stack_pop_keep_top macro.

Rev: src/interpret.h:1.138

2:   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: interpret.h,v 1.137 2003/04/25 00:09:17 mast Exp $ + || $Id: interpret.h,v 1.138 2003/04/27 12:25:34 mast Exp $   */      #ifndef INTERPRET_H
191:      PMOD_EXPORT extern const char msg_pop_neg[];   #define pop_n_elems(X) \ -  do { ptrdiff_t x_=(X); if(x_) { \ +  do { \ +  ptrdiff_t x_=(X); \ +  if(x_) { \ +  struct svalue *_sp_; \    check__positive(x_, (msg_pop_neg, x_)); \ -  Pike_sp -= x_; debug_check_stack(); \ -  free_mixed_svalues(Pike_sp, x_); \ -  } } while (0) +  _sp_ = Pike_sp = Pike_sp - x_; \ +  debug_check_stack(); \ +  free_mixed_svalues(_sp_, x_); \ +  } \ +  } while (0)      /* This pops a number of arguments from the stack but keeps the top    * element on top. Used for popping the arguments while keeping the
203:    */   #define stack_unlink(X) do { \    if(X) { \ -  struct svalue *_sp_ = Pike_sp--; \ -  free_svalue(_sp_-(X)-1); \ -  _sp_[-(X)-1]=_sp_[-1]; \ +  struct svalue *_sp_ = --Pike_sp; \ +  free_svalue(_sp_-(X)); \ +  _sp_[-(X)] = _sp_[0]; \    pop_n_elems(X-1); \    } \    }while(0)      #define stack_pop_n_elems_keep_top(X) stack_unlink(X)    -  + #define stack_pop_keep_top() do { \ +  struct svalue *_sp_ = --Pike_sp; \ +  free_svalue (_sp_ - 1); \ +  _sp_[-1] = _sp_[0]; \ +  debug_check_stack(); \ +  } while (0) +    #define stack_pop_to_no_free(X) move_svalue(X, --Pike_sp)      #define stack_pop_to(X) do { \