Diff for /gforth/prims2x.fs between versions 1.78 and 1.80

version 1.78, 2001/02/07 09:58:46 version 1.80, 2001/02/09 20:15:31
Line 40 Line 40
 \ add the store optimization for doubles  \ add the store optimization for doubles
 \ regarding problem 1 above: It would be better (for over) to implement  \ regarding problem 1 above: It would be better (for over) to implement
 \       the alternative  \       the alternative
   \ store optimization for combined instructions.
   \ eliminate stack-cast (no longer used)
   
   \ Design Uglyness:
   
   \ - global state (values, variables) in connection with combined instructions.
   
   \ - index computation is different for instruction-stream and the
   \ stacks; there are two mechanisms for dealing with that
   \ (stack-in-index-xt and a test for stack==instruction-stream); there
   \ should be only one.
   
 warnings off  warnings off
   
Line 208  end-struct prim% Line 219  end-struct prim%
     s" " p prim-doc 2! s" " p prim-forth-code 2! s" " p prim-wordset 2!      s" " p prim-doc 2! s" " p prim-forth-code 2! s" " p prim-wordset 2!
     p ;      p ;
   
 0 value prim  0 value prim     \ in combined prims either combined or a part
   0 value combined \ in combined prims the combined prim
   variable in-part \ true if processing a part
    in-part off
   
   1000 constant max-combined
   create combined-prims max-combined cells allot
   variable num-combined
   
   create current-depth max-stacks cells allot
   create max-depth     max-stacks cells allot
   create min-depth     max-stacks cells allot
   
 wordlist constant primitives  wordlist constant primitives
   
Line 242  Variable function-number 0 function-numb Line 264  Variable function-number 0 function-numb
 : complement ( set1 -- set2 )  : complement ( set1 -- set2 )
  empty ['] bit-equivalent binary-set-operation ;   empty ['] bit-equivalent binary-set-operation ;
   
 \ types  \ stack access stuff
   
 : stack-access ( n stack -- )  : normal-stack-access ( n stack -- )
     \ print a stack access at index n of stack  
     stack-pointer 2@ type      stack-pointer 2@ type
     dup      dup
     if      if
Line 254  Variable function-number 0 function-numb Line 275  Variable function-number 0 function-numb
         drop ." TOS"          drop ." TOS"
     endif ;      endif ;
   
   \ forward declaration for inst-stream (breaks cycle in definitions)
   defer inst-stream-f ( -- stack )
   
   : part-stack-access { n stack -- }
       \ print _<stack><x>, x=inst-stream? n : maxdepth-currentdepth-n-1
       ." _" stack stack-pointer 2@ type
       stack stack-number @ { stack# }
       current-depth stack# th @ n + { access-depth }
       stack inst-stream-f = if
           access-depth
       else
           combined prim-stacks-in stack# th @
           assert( dup max-depth stack# th @ = )
           access-depth - 1-
       endif
       0 .r ;
   
   : stack-access ( n stack -- )
       \ print a stack access at index n of stack
       in-part @ if
           part-stack-access
       else
           normal-stack-access
       endif ;
   
 : item-in-index { item -- n }  : item-in-index { item -- n }
     \ n is the index of item (in the in-effect)      \ n is the index of item (in the in-effect)
     item item-stack @ dup >r stack-in @ ( in-size r:stack )      item item-stack @ dup >r stack-in @ ( in-size r:stack )
Line 441  s" fp" save-mem float-type s" "       ma Line 487  s" fp" save-mem float-type s" "       ma
 s" rp" save-mem cell-type  s" (Cell)" make-stack return-stack  s" rp" save-mem cell-type  s" (Cell)" make-stack return-stack
 s" IP" save-mem cell-type  s" error don't use # on results" make-stack inst-stream  s" IP" save-mem cell-type  s" error don't use # on results" make-stack inst-stream
 ' inst-in-index inst-stream stack-in-index-xt !  ' inst-in-index inst-stream stack-in-index-xt !
   ' inst-stream <is> inst-stream-f
 \ !! initialize stack-in and stack-out  \ !! initialize stack-in and stack-out
   
 \ offset computation  \ offset computation
Line 775  s" IP" save-mem cell-type  s" error don' Line 822  s" IP" save-mem cell-type  s" error don'
 \  spTOS = (Cell)_x_sp0;  \  spTOS = (Cell)_x_sp0;
 \  NEXT_P2;  \  NEXT_P2;
   
 1000 constant max-combined  
 create combined-prims max-combined cells allot  
 variable num-combined  
   
 create current-depth max-stacks cells allot  
 create max-depth     max-stacks cells allot  
 create min-depth     max-stacks cells allot  
   
 : init-combined ( -- )  : init-combined ( -- )
       prim to combined
     0 num-combined !      0 num-combined !
     current-depth max-stacks cells erase      current-depth max-stacks cells erase
     max-depth     max-stacks cells erase      max-depth     max-stacks cells erase
Line 856  create min-depth     max-stacks cells al Line 896  create min-depth     max-stacks cells al
   
 : print-item { n stack -- }  : print-item { n stack -- }
     \ print nth stack item name      \ print nth stack item name
     ." _" stack stack-type @ type-c-name 2@ type space      stack stack-type @ type-c-name 2@ type space
     stack stack-pointer 2@ type n 0 .r ;      ." _" stack stack-pointer 2@ type n 0 .r ;
   
 : print-declarations-combined ( -- )  : print-declarations-combined ( -- )
     max-stacks 0 ?do      max-stacks 0 ?do
Line 865  create min-depth     max-stacks cells al Line 905  create min-depth     max-stacks cells al
             i stacks j th @ print-item ." ;" cr              i stacks j th @ print-item ." ;" cr
         loop          loop
     loop ;      loop ;
       
   : part-fetches ( -- )
       fetches ;
   
   : part-output-c-tail ( -- )
       output-c-tail ;
   
   : output-part ( p -- )
       to prim
       ." /* " prim prim-name 2@ type ."  ( " prim prim-stack-string 2@ type ." ) */" cr
       ." NAME(" quote prim prim-name 2@ type quote ." )" cr \ debugging
       ." {" cr
       print-declarations
       part-fetches
       print-debug-args
       prim add-depths \ !! right place?
       ." {" cr
       ." #line " c-line @ . quote c-filename 2@ type quote cr
       prim prim-c-code 2@ type-c \ !! deal with TAIL
       ." }" cr
       part-output-c-tail
       ." }" cr ;
   
 : output-parts ( -- )  : output-parts ( -- )
     prim >r      prim >r in-part on
       current-depth max-stacks cells erase
     num-combined @ 0 +do      num-combined @ 0 +do
         combined-prims i th @ to prim          combined-prims i th @ output-part
         output-c  
     loop      loop
       in-part off
     r> to prim ;      r> to prim ;
   
 : output-c-combined ( -- )  : output-c-combined ( -- )
Line 976  bl 1+ maxchar .. Line 1039  bl 1+ maxchar ..
 char " singleton eof-char over add-member complement    charclass noquote  char " singleton eof-char over add-member complement    charclass noquote
 nl-char singleton                                       charclass nl  nl-char singleton                                       charclass nl
 eof-char singleton                                      charclass eof  eof-char singleton                                      charclass eof
   nl-char singleton eof-char over add-member              charclass nleof
   
 (( letter (( letter || digit )) **  (( letter (( letter || digit )) **
 )) <- c-ident ( -- )  )) <- c-ident ( -- )
Line 1022  Variable c-flag Line 1085  Variable c-flag
   
 (( (( eval-comment || forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body  (( (( eval-comment || forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body
   
 (( ` \ comment-body nl )) <- comment ( -- )  (( ` \ comment-body nleof )) <- comment ( -- )
   
 (( {{ start }} stack-ident {{ end 2 pick init-item item% %size + }} white ** )) **  (( {{ start }} stack-ident {{ end 2 pick init-item item% %size + }} white ** )) **
 <- stack-items  <- stack-items
Line 1036  Variable c-flag Line 1099  Variable c-flag
    ` ( white ** {{ start }} stack-effect {{ end prim prim-stack-string 2! }} ` ) white **     ` ( white ** {{ start }} stack-effect {{ end prim prim-stack-string 2! }} ` ) white **
    (( {{ start }} forth-ident {{ end prim prim-wordset 2! }} white **     (( {{ start }} forth-ident {{ end prim prim-wordset 2! }} white **
       (( {{ start }}  c-ident {{ end prim prim-c-name 2! }} )) ??        (( {{ start }}  c-ident {{ end prim prim-c-name 2! }} )) ??
    )) ??  nl     )) ??  nleof
    (( ` " ` "  {{ start }} (( noquote ++ ` " )) ++ {{ end 1- prim prim-doc 2! }} ` " white ** nl )) ??     (( ` " ` "  {{ start }} (( noquote ++ ` " )) ++ {{ end 1- prim prim-doc 2! }} ` " white ** nleof )) ??
    {{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl **  nl white ** )) ** {{ end prim prim-c-code 2! skipsynclines on }}     {{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl **  nleof white ** )) ** {{ end prim prim-c-code 2! skipsynclines on }}
    (( ` :  white ** nl     (( ` :  white ** nleof
       {{ start }} (( nonl ++  nl white ** )) ++ {{ end prim prim-forth-code 2! }}        {{ start }} (( nonl ++  nleof white ** )) ++ {{ end prim prim-forth-code 2! }}
    )) ?? {{  declarations compute-offsets printprim 1 function-number +! }}     )) ?? {{  declarations compute-offsets printprim 1 function-number +! }}
    (( nl || eof ))     nleof
 )) <- simple-primitive ( -- )  )) <- simple-primitive ( -- )
   
 (( {{ init-combined }}  (( {{ init-combined }}
    ` = (( white ++ {{ start }} forth-ident {{ end add-prim }} )) ++     ` = (( white ++ {{ start }} forth-ident {{ end add-prim }} )) ++
    (( nl || eof )) {{ process-combined }}     nleof {{ process-combined }}
 )) <- combined-primitive  )) <- combined-primitive
   
 (( {{ make-prim to prim  (( {{ make-prim to prim 0 to combined
       line @ name-line ! filename 2@ name-filename 2!        line @ name-line ! filename 2@ name-filename 2!
       start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }}  white ++        start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }}  white ++
    (( simple-primitive || combined-primitive ))     (( simple-primitive || combined-primitive ))

Removed from v.1.78  
changed lines
  Added in v.1.80


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