1 /*-------------------------------------------------------------------------
2 SDCCsymt.c - Code file for Symbols table related structures and MACRO's.
3 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding!
22 -------------------------------------------------------------------------*/
26 #define ENABLE_MICHAELH_REGPARM_HACK 0
28 bucket *SymbolTab [256] ; /* the symbol table */
29 bucket *StructTab [256] ; /* the structure table */
30 bucket *TypedefTab[256] ; /* the typedef table */
31 bucket *LabelTab [256] ; /* the Label table */
32 bucket *enumTab [256] ; /* enumerated table */
34 extern struct set *publics;
36 /*------------------------------------------------------------------*/
37 /* initSymt () - initialises symbol table related stuff */
38 /*------------------------------------------------------------------*/
43 for ( i = 0 ; i < 256 ; i++ )
44 SymbolTab[i] = StructTab[i] = (void *) NULL ;
48 /*-----------------------------------------------------------------*/
49 /* newBucket - allocates & returns a new bucket */
50 /*-----------------------------------------------------------------*/
55 ALLOC(bp,sizeof(bucket));
60 /*-----------------------------------------------------------------*/
61 /* hashKey - computes the hashkey given a symbol name */
62 /*-----------------------------------------------------------------*/
63 int hashKey (const char *s)
65 unsigned long key = 0;
72 /*-----------------------------------------------------------------*/
73 /* addSym - adds a symbol to the hash Table */
74 /*-----------------------------------------------------------------*/
75 void addSym ( bucket **stab ,
81 int i ; /* index into the hash Table */
82 bucket *bp ; /* temp bucket * */
84 /* the symbols are always added at the head of the list */
86 /* get a free entry */
87 ALLOC(bp,sizeof(bucket));
89 bp->sym = sym ; /* update the symbol pointer */
90 bp->level = level; /* update the nest level */
92 strcpy(bp->name,sname); /* copy the name into place */
94 /* if this is the first entry */
95 if (stab[i] == NULL) {
96 bp->prev = bp->next = (void *) NULL ; /* point to nothing */
99 /* not first entry then add @ head of list */
108 /*-----------------------------------------------------------------*/
109 /* deleteSym - deletes a symbol from the hash Table entry */
110 /*-----------------------------------------------------------------*/
111 void deleteSym ( bucket **stab, void *sym, char *sname)
119 /* find the symbol */
121 if (bp->sym == sym) /* found it then break out */
122 break ; /* of the loop */
126 if (!bp) /* did not find it */
128 /* if this is the first one in the chain */
131 if ( stab[i] ) /* if chain ! empty */
132 stab[i]->prev = (void *) NULL ;
134 /* middle || end of chain */
136 if ( bp->next ) /* if not end of chain */
137 bp->next->prev = bp->prev ;
139 bp->prev->next = bp->next ;
144 /*-----------------------------------------------------------------*/
145 /* findSym - finds a symbol in a table */
146 /*-----------------------------------------------------------------*/
147 void *findSym ( bucket **stab, void *sym, const char *sname)
151 bp = stab[hashKey(sname)] ;
154 if ( bp->sym == sym || strcmp (bp->name,sname) == 0 )
159 return ( bp ? bp->sym : (void *) NULL ) ;
162 /*-----------------------------------------------------------------*/
163 /* findSymWithLevel - finds a symbol with a name & level */
164 /*-----------------------------------------------------------------*/
165 void *findSymWithLevel ( bucket **stab, symbol *sym)
169 bp = stab[hashKey(sym->name)];
172 ** do the search from the head of the list since the
173 ** elements are added at the head it is ensured that
174 ** we will find the deeper definitions before we find
175 ** the global ones. we need to check for symbols with
176 ** level <= to the level given, if levels match then block
177 ** numbers need to match as well
181 if ( strcmp(bp->name,sym->name) == 0 && bp->level <= sym->level) {
182 /* if this is parameter then nothing else need to be checked */
183 if (((symbol *)(bp->sym))->_isparm)
185 /* if levels match then block numbers hsould also match */
186 if (bp->level && bp->level == sym->level && bp->block == sym->block )
188 /* if levels don't match then we are okay */
189 if (bp->level && bp->level != sym->level)
191 /* if this is a global variable then we are ok too */
199 return (void *) NULL ;
202 /*-----------------------------------------------------------------*/
203 /* findSymWithBlock - finds a symbol with name in with a block */
204 /*-----------------------------------------------------------------*/
205 void *findSymWithBlock ( bucket **stab, symbol *sym, int block)
209 bp = stab[hashKey(sym->name)] ;
212 if ( strcmp (bp->name,sym->name) == 0 &&
218 return ( bp ? bp->sym : (void *) NULL ) ;
221 /*------------------------------------------------------------------*/
222 /* newSymbol () - returns a new pointer to a symbol */
223 /*------------------------------------------------------------------*/
224 symbol *newSymbol (char *name, int scope )
228 ALLOC(sym,sizeof(symbol));
230 strcpy(sym->name,name); /* copy the name */
231 sym->level = scope ; /* set the level */
232 sym->block = currBlockno ;
233 sym->lineDef = yylineno ; /* set the line number */
237 /*------------------------------------------------------------------*/
238 /* newLink - creates a new link (declarator,specifier) */
239 /*------------------------------------------------------------------*/
244 ALLOC(p,sizeof(link));
249 /*------------------------------------------------------------------*/
250 /* newStruct - creats a new structdef from the free list */
251 /*------------------------------------------------------------------*/
252 structdef *newStruct ( char *tag )
256 ALLOC(s,sizeof(structdef));
258 strcpy(s->tag,tag) ; /* copy the tag */
262 /*------------------------------------------------------------------*/
263 /* pointerTypes - do the computation for the pointer types */
264 /*------------------------------------------------------------------*/
265 void pointerTypes (link *ptr, link *type)
270 /* find the first pointer type */
271 while (ptr && !IS_PTR(ptr))
274 /* could not find it */
275 if (!ptr || IS_SPEC(ptr) ||
276 DCL_TYPE(ptr) != UPOINTER)
279 /* change the pointer type depending on the
280 storage class of the type */
282 DCL_PTR_CONST(ptr) = SPEC_CONST(type);
283 DCL_PTR_VOLATILE(ptr) = SPEC_VOLATILE(type);
284 switch (SPEC_SCLS(type)) {
286 DCL_TYPE(ptr) = FPOINTER;
289 DCL_TYPE(ptr) = IPOINTER ;
292 DCL_TYPE(ptr) = PPOINTER ;
295 DCL_TYPE(ptr) = POINTER ;
298 DCL_PTR_CONST(ptr) = port->mem.code_ro;
299 DCL_TYPE(ptr) = CPOINTER ;
302 DCL_TYPE(ptr) = EEPPOINTER;
305 DCL_TYPE(ptr) = GPOINTER;
308 /* the storage class of type ends here */
311 SPEC_VOLATILE(type) = 0;
314 /* now change all the remaining unknown pointers
315 to generic pointers */
317 if (!IS_SPEC(ptr) && DCL_TYPE(ptr) == UPOINTER)
318 DCL_TYPE(ptr) = GPOINTER;
322 /* same for the type although it is highly unlikely that
323 type will have a pointer */
325 if (!IS_SPEC(type) && DCL_TYPE(type) == UPOINTER)
326 DCL_TYPE(type) = GPOINTER;
332 /*------------------------------------------------------------------*/
333 /* addDecl - adds a declarator @ the end of a chain */
334 /*------------------------------------------------------------------*/
335 void addDecl ( symbol *sym, int type , link *p )
341 /* if we are passed a link then set head & tail */
348 head = tail = newLink() ;
349 DCL_TYPE(head) = type ;
352 /* if this is the first entry */
358 if ( IS_SPEC(sym->etype) && IS_SPEC(head) && head == tail ) {
359 sym->etype = mergeSpec(sym->etype,head);
362 if ( IS_SPEC(sym->etype) && !IS_SPEC(head) && head == tail ) {
364 while (t->next != sym->etype) t = t->next ;
366 tail->next = sym->etype;
368 sym->etype->next = head;
374 /* if the type is a unknown pointer and has
375 a tspec then take the storage class const & volatile
376 attribute from the tspec & make it those of this
380 DCL_TYPE(p) == UPOINTER &&
382 if (!IS_SPEC(sym->etype)) {
383 sym->etype = sym->etype->next = newLink();
384 sym->etype->class = SPECIFIER;
386 SPEC_SCLS(sym->etype) = SPEC_SCLS(DCL_TSPEC(p));
387 SPEC_CONST(sym->etype) = SPEC_CONST(DCL_TSPEC(p));
388 SPEC_VOLATILE(sym->etype) = SPEC_VOLATILE(DCL_TSPEC(p));
394 /*------------------------------------------------------------------*/
395 /* mergeSpec - merges two specifiers and returns the new one */
396 /*------------------------------------------------------------------*/
397 link *mergeSpec ( link *dest, link *src )
399 /* if noun different then src overrides */
400 if ( SPEC_NOUN(dest) != SPEC_NOUN(src) && !SPEC_NOUN(dest))
401 SPEC_NOUN(dest) = SPEC_NOUN(src) ;
403 if (! SPEC_SCLS(dest)) /* if destination has no storage class */
404 SPEC_SCLS(dest) = SPEC_SCLS(src) ;
406 /* copy all the specifications */
407 SPEC_LONG(dest) |= SPEC_LONG(src);
408 SPEC_SHORT(dest) |= SPEC_SHORT(src);
409 SPEC_USIGN(dest) |= SPEC_USIGN(src);
410 SPEC_STAT(dest) |= SPEC_STAT(src);
411 SPEC_EXTR(dest) |= SPEC_EXTR(src);
412 SPEC_ABSA(dest) |= SPEC_ABSA(src);
413 SPEC_RENT(dest) |= SPEC_RENT(src);
414 SPEC_INTN(dest) |= SPEC_INTN(src);
415 SPEC_BANK(dest) |= SPEC_BANK(src);
416 SPEC_VOLATILE(dest) |= SPEC_VOLATILE(src);
417 SPEC_CRTCL(dest) |= SPEC_CRTCL(src);
418 SPEC_ADDR(dest) |= SPEC_ADDR(src);
419 SPEC_OCLS(dest) = SPEC_OCLS(src);
420 SPEC_BLEN(dest) |= SPEC_BLEN(src);
421 SPEC_BSTR(dest) |= SPEC_BSTR(src);
422 SPEC_TYPEDEF(dest) |= SPEC_TYPEDEF(src);
423 SPEC_NONBANKED(dest) |= SPEC_NONBANKED(src);
425 if ( IS_STRUCT(dest) && SPEC_STRUCT(dest) == NULL )
426 SPEC_STRUCT(dest) = SPEC_STRUCT(src);
431 /*------------------------------------------------------------------*/
432 /* cloneSpec - copies the entire spec and returns a new spec */
433 /*------------------------------------------------------------------*/
434 link *cloneSpec ( link *src )
438 /* go thru chain till we find the specifier */
439 while ( src && src->class != SPECIFIER )
443 memcpy (spec,src,sizeof(link));
447 /*------------------------------------------------------------------*/
448 /* genSymName - generates and returns a name used for anonymous vars*/
449 /*------------------------------------------------------------------*/
450 char *genSymName ( int level )
452 static int gCount = 0 ;
453 static char gname[SDCC_NAME_MAX+1] ;
455 sprintf (gname,"__%04d%04d",level,gCount++);
459 /*------------------------------------------------------------------*/
460 /* getSpec - returns the specifier part from a declaration chain */
461 /*------------------------------------------------------------------*/
462 link *getSpec ( link *p )
467 while ( p && ! (IS_SPEC(p)))
473 /*------------------------------------------------------------------*/
474 /* newCharLink() - creates an int type */
475 /*------------------------------------------------------------------*/
481 p->class = SPECIFIER ;
482 SPEC_NOUN(p) = V_CHAR ;
487 /*------------------------------------------------------------------*/
488 /* newFloatLink - a new Float type */
489 /*------------------------------------------------------------------*/
495 p->class = SPECIFIER ;
496 SPEC_NOUN(p) = V_FLOAT ;
501 /*------------------------------------------------------------------*/
502 /* newLongLink() - new long type */
503 /*------------------------------------------------------------------*/
509 p->class = SPECIFIER ;
510 SPEC_NOUN(p) = V_INT ;
516 /*------------------------------------------------------------------*/
517 /* newIntLink() - creates an int type */
518 /*------------------------------------------------------------------*/
524 p->class = SPECIFIER ;
525 SPEC_NOUN(p) = V_INT ;
530 /*------------------------------------------------------------------*/
531 /* getSize - returns size of a type chain in bits */
532 /*------------------------------------------------------------------*/
533 unsigned int getSize ( link *p )
535 /* if nothing return 0 */
538 if ( IS_SPEC(p) ) { /* if this is the specifier then */
539 switch (SPEC_NOUN(p)) { /* depending on the specifier type */
541 return (IS_LONG(p) ? LONGSIZE : ( IS_SHORT(p) ? SHORTSIZE: INTSIZE)) ;
549 return SPEC_STRUCT(p)->size ;
555 return ((SPEC_BLEN(p) / 8) + (SPEC_BLEN(p) % 8 ? 1 : 0)) ;
561 /* this is a specifier */
562 switch (DCL_TYPE(p)) {
566 return DCL_ELEM(p) * getSize (p->next) ;
583 /*------------------------------------------------------------------*/
584 /* bitsForType - returns # of bits required to store this type */
585 /*------------------------------------------------------------------*/
586 unsigned int bitsForType ( link *p )
588 /* if nothing return 0 */
592 if ( IS_SPEC(p) ) { /* if this is the specifier then */
594 switch (SPEC_NOUN(p)) { /* depending on the specifier type */
596 return (IS_LONG(p) ? LONGSIZE*8 : ( IS_SHORT(p) ? SHORTSIZE*8: INTSIZE*8)) ;
604 return SPEC_STRUCT(p)->size*8 ;
616 /* this is a specifier */
617 switch (DCL_TYPE(p)) {
621 return DCL_ELEM(p) * getSize (p->next) *8 ;
625 return ( PTRSIZE * 8) ;
629 return ( FPTRSIZE * 8);
631 return ( GPTRSIZE * 8);
638 /*------------------------------------------------------------------*/
639 /* copySymbolChain - copies a symbol chain */
640 /*------------------------------------------------------------------*/
641 symbol *copySymbolChain (symbol *src)
648 dest = copySymbol(src);
649 dest->next = copySymbolChain(src->next);
653 /*------------------------------------------------------------------*/
654 /* copySymbol - makes a copy of a symbol */
655 /*------------------------------------------------------------------*/
656 symbol *copySymbol (symbol *src)
663 dest = newSymbol( src->name, src->level );
664 memcpy(dest,src,sizeof(symbol));
665 dest->level = src->level ;
666 dest->block = src->block ;
667 dest->ival = copyIlist(src->ival);
668 dest->type = copyLinkChain(src->type);
669 dest->etype= getSpec(dest->type);
671 dest->args = copyValueChain (src->args);
672 dest->key = src->key;
673 dest->calleeSave = src->calleeSave;
674 dest->allocreq = src->allocreq;
678 /*------------------------------------------------------------------*/
679 /* reverseSyms - reverses the links for a symbol chain */
680 /*------------------------------------------------------------------*/
681 symbol *reverseSyms ( symbol *sym)
683 symbol *prev , *curr, *next ;
698 sym->next = (void *) NULL ;
702 /*------------------------------------------------------------------*/
703 /* reverseLink - reverses the links for a type chain */
704 /*------------------------------------------------------------------*/
705 link *reverseLink ( link *type)
707 link *prev , *curr, *next ;
722 type->next = (void *) NULL ;
726 /*------------------------------------------------------------------*/
727 /* addSymChain - adds a symbol chain to the symboltable */
728 /*------------------------------------------------------------------*/
729 void addSymChain ( symbol *symHead )
731 symbol *sym = symHead ;
732 symbol *csym = NULL ;
734 for (;sym != NULL ; sym = sym->next ) {
736 /* if already exists in the symbol table then check if
737 the previous was an extern definition if yes then
738 then check if the type match, if the types match then
739 delete the current entry and add the new entry */
740 if ((csym = findSymWithLevel (SymbolTab,sym)) &&
741 csym->level == sym->level) {
743 /* previous definition extern ? */
744 if ( IS_EXTERN(csym->etype) ) {
745 /* do types match ? */
746 if (checkType ( csym->type,sym->type) != 1)
748 werror (E_DUPLICATE,csym->name);
750 /* delete current entry */
751 deleteSym (SymbolTab, csym, csym->name );
753 addSym (SymbolTab, sym, sym->name, sym->level,sym->block);
754 } else /* not extern */
755 werror(E_DUPLICATE,sym->name) ;
759 /* check if previously defined */
760 if (csym && csym->level == sym->level ) {
761 /* if the previous one was declared as extern */
762 /* then check the type with the current one */
763 if ( IS_EXTERN(csym->etype) ) {
764 if ( checkType (csym->type, sym->type ) <= 0 )
765 werror (W_EXTERN_MISMATCH,csym->name);
769 addSym (SymbolTab,sym,sym->name,sym->level,sym->block) ;
774 /*------------------------------------------------------------------*/
775 /* funcInChain - DCL Type 'FUNCTION' found in type chain */
776 /*------------------------------------------------------------------*/
777 int funcInChain (link *lnk)
787 /*------------------------------------------------------------------*/
788 /* structElemType - returns the type info of a sturct member */
789 /*------------------------------------------------------------------*/
790 link *structElemType (link *stype, value *id ,value **argsp)
792 symbol *fields = (SPEC_STRUCT(stype) ? SPEC_STRUCT(stype)->fields : NULL);
794 if ( ! fields || ! id)
797 /* look for the id */
799 if (strcmp(fields->rname,id->name) == 0) {
801 *argsp = fields->args;
803 return copyLinkChain (fields->type) ;
805 fields = fields->next ;
807 werror(E_NOT_MEMBER,id->name);
812 /*------------------------------------------------------------------*/
813 /* getStructElement - returns element of a tructure definition */
814 /*------------------------------------------------------------------*/
815 symbol *getStructElement ( structdef *sdef, symbol *sym)
819 for ( field = sdef->fields ; field ; field = field->next )
820 if ( strcmp(field->name,sym->name) == 0)
823 werror(E_NOT_MEMBER,sym->name);
825 return sdef->fields ;
828 /*------------------------------------------------------------------*/
829 /* compStructSize - computes the size of a structure */
830 /*------------------------------------------------------------------*/
831 int compStructSize (int su, structdef *sdef )
833 int sum = 0 , usum =0;
837 /* for the identifiers */
838 loop = sdef->fields ;
841 /* create the internal name for this variable */
842 sprintf (loop->rname,"_%s",loop->name);
843 loop->offset = ( su == UNION ? sum = 0 : sum ) ;
844 SPEC_VOLATILE(loop->etype) |= (su == UNION ? 1 : 0);
846 /* if this is a bit field */
849 /* change it to a unsigned bit */
850 SPEC_NOUN(loop->etype) = V_BIT ;
851 SPEC_USIGN(loop->etype) = 1 ;
852 /* check if this fit into the remaining */
853 /* bits of this byte else align it to the */
854 /* next byte boundary */
855 if ((SPEC_BLEN(loop->etype)=loop->bitVar) <= (8 - bitOffset)) {
856 SPEC_BSTR(loop->etype) = bitOffset ;
857 sum += (loop->bitVar / 8) ;
858 bitOffset += (loop->bitVar % 8);
860 else /* does not fit */
863 loop->offset++; /* go to the next byte */
865 SPEC_BSTR(loop->etype) = bitOffset ;
866 sum += (loop->bitVar / 8) ;
867 bitOffset += (loop->bitVar % 8);
869 /* if this is the last field then pad */
870 if (!loop->next && bitOffset) {
877 sum += getSize (loop->type) ;
880 /* if function then do the arguments for it */
881 if (funcInChain(loop->type)) {
882 processFuncArgs (loop, 1);
887 /* if this is not a bitfield but the */
888 /* previous one was and did not take */
889 /* the whole byte then pad the rest */
890 if ((loop && !loop->bitVar) && bitOffset) {
895 /* if union then size = sizeof larget field */
897 usum = max(usum,sum);
901 return (su == UNION ? usum : sum);
904 /*------------------------------------------------------------------*/
905 /* checkSClass - check the storage class specification */
906 /*------------------------------------------------------------------*/
907 static void checkSClass ( symbol *sym )
909 /* type is literal can happen foe enums change
911 if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
912 SPEC_SCLS(sym->etype) = S_AUTO;
914 /* if sfr or sbit then must also be */
915 /* volatile the initial value will be xlated */
916 /* to an absolute address */
917 if (SPEC_SCLS(sym->etype) == S_SBIT ||
918 SPEC_SCLS(sym->etype) == S_SFR ) {
919 SPEC_VOLATILE(sym->etype) = 1;
920 /* if initial value given */
922 SPEC_ABSA(sym->etype) = 1;
923 SPEC_ADDR(sym->etype) =
924 (int) list2int(sym->ival);
929 /* if absolute address given then it mark it as
931 if (IS_ABSOLUTE(sym->etype))
932 SPEC_VOLATILE(sym->etype) = 1;
934 /* global variables declared const put into code */
935 if (sym->level == 0 &&
936 SPEC_SCLS(sym->etype) == S_CONSTANT) {
937 SPEC_SCLS(sym->etype) = S_CODE ;
938 SPEC_CONST(sym->etype) = 1;
941 /* global variable in code space is a constant */
942 if (sym->level == 0 &&
943 SPEC_SCLS(sym->etype) == S_CODE &&
945 SPEC_CONST(sym->etype) = 1;
948 /* if bit variable then no storage class can be */
949 /* specified since bit is already a storage */
950 if ( IS_BITVAR(sym->etype) &&
951 ( SPEC_SCLS(sym->etype) != S_FIXED &&
952 SPEC_SCLS(sym->etype) != S_SBIT &&
953 SPEC_SCLS(sym->etype) != S_BIT )
955 werror (E_BITVAR_STORAGE,sym->name);
956 SPEC_SCLS(sym->etype) = S_FIXED ;
959 /* extern variables cannot be initialized */
960 if (IS_EXTERN(sym->etype) && sym->ival) {
961 werror(E_EXTERN_INIT,sym->name);
965 /* if this is an automatic symbol then */
966 /* storage class will be ignored and */
967 /* symbol will be allocated on stack/ */
968 /* data depending on flag */
970 (options.stackAuto || reentrant ) &&
971 ( SPEC_SCLS(sym->etype) != S_AUTO &&
972 SPEC_SCLS(sym->etype) != S_FIXED &&
973 SPEC_SCLS(sym->etype) != S_REGISTER &&
974 SPEC_SCLS(sym->etype) != S_STACK &&
975 SPEC_SCLS(sym->etype) != S_XSTACK &&
976 SPEC_SCLS(sym->etype) != S_CONSTANT )) {
978 werror(E_AUTO_ASSUMED,sym->name) ;
979 SPEC_SCLS(sym->etype) = S_AUTO ;
982 /* automatic symbols cannot be given */
983 /* an absolute address ignore it */
985 SPEC_ABSA(sym->etype) &&
986 (options.stackAuto || reentrant) ) {
987 werror(E_AUTO_ABSA,sym->name);
988 SPEC_ABSA(sym->etype) = 0 ;
991 /* arrays & pointers cannot be defined for bits */
992 /* SBITS or SFRs or BIT */
993 if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
994 ( SPEC_NOUN(sym->etype) == V_BIT ||
995 SPEC_NOUN(sym->etype) == V_SBIT ||
996 SPEC_SCLS(sym->etype) == S_SFR ))
997 werror(E_BIT_ARRAY,sym->name);
999 /* if this is a bit|sbit then set length & start */
1000 if (SPEC_NOUN(sym->etype) == V_BIT ||
1001 SPEC_NOUN(sym->etype) == V_SBIT ) {
1002 SPEC_BLEN(sym->etype) = 1 ;
1003 SPEC_BSTR(sym->etype) = 0 ;
1006 /* variables declared in CODE space must have */
1007 /* initializers if not an extern */
1008 if (SPEC_SCLS(sym->etype) == S_CODE &&
1009 sym->ival == NULL &&
1011 port->mem.code_ro &&
1012 !IS_EXTERN(sym->etype))
1013 werror(E_CODE_NO_INIT,sym->name);
1015 /* if parameter or local variable then change */
1016 /* the storage class to reflect where the var will go */
1017 if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
1018 if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
1020 SPEC_SCLS(sym->etype) = (options.useXstack ?
1021 S_XSTACK : S_STACK ) ;
1025 /* hack-o-matic! I see no reason why the useXstack option should ever
1026 * control this allcoation, but the code was originally that way, and
1027 * changing it for non-390 ports breaks the compiler badly.
1029 extern PORT ds390_port;
1030 bool useXdata = (port == &ds390_port) ? options.model : options.useXstack;
1031 SPEC_SCLS(sym->etype) = (useXdata ?
1032 S_XDATA : S_DATA ) ;
1037 /*------------------------------------------------------------------*/
1038 /* changePointer - change pointer to functions */
1039 /*------------------------------------------------------------------*/
1040 void changePointer (symbol *sym)
1044 /* go thru the chain of declarations */
1045 /* if we find a pointer to a function */
1046 /* unconditionally change it to a ptr */
1048 for ( p = sym->type ; p ; p = p->next) {
1049 if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
1050 DCL_TYPE(p) = GPOINTER ;
1051 if ( IS_PTR(p) && IS_FUNC(p->next))
1052 DCL_TYPE(p) = CPOINTER ;
1056 /*------------------------------------------------------------------*/
1057 /* checkDecl - does semantic validation of a declaration */
1058 /*------------------------------------------------------------------*/
1059 int checkDecl ( symbol *sym )
1062 checkSClass (sym); /* check the storage class */
1063 changePointer(sym); /* change pointers if required */
1065 /* if this is an array without any dimension
1066 then update the dimension from the initial value */
1067 if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
1068 DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
1073 /*------------------------------------------------------------------*/
1074 /* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
1075 /*------------------------------------------------------------------*/
1076 link *copyLinkChain ( link *p)
1078 link *head, *curr , *loop;
1081 head = loop = ( curr ? newLink() : (void *) NULL) ;
1083 memcpy(loop,curr,sizeof(link)) ; /* copy it */
1084 loop->next = (curr->next ? newLink() : (void *) NULL) ;
1093 /*------------------------------------------------------------------*/
1094 /* cleanUpBlock - cleansup the symbol table specified for all the */
1095 /* symbols in the given block */
1096 /*------------------------------------------------------------------*/
1097 void cleanUpBlock ( bucket **table, int block)
1102 /* go thru the entire table */
1103 for ( i = 0 ; i < 256; i++ ) {
1104 for ( chain = table[i]; chain ; chain = chain->next ) {
1105 if (chain->block >= block) {
1106 deleteSym (table,chain->sym,chain->name);
1112 /*------------------------------------------------------------------*/
1113 /* cleanUpLevel - cleansup the symbol table specified for all the */
1114 /* symbols in the given level */
1115 /*------------------------------------------------------------------*/
1116 void cleanUpLevel (bucket **table, int level )
1121 /* go thru the entire table */
1122 for ( i = 0 ; i < 256; i++ ) {
1123 for ( chain = table[i]; chain ; chain = chain->next ) {
1124 if (chain->level >= level) {
1125 deleteSym (table,chain->sym,chain->name);
1131 /*------------------------------------------------------------------*/
1132 /* computeType - computes the resultant type from two types */
1133 /*------------------------------------------------------------------*/
1134 link *computeType ( link *type1, link *type2)
1138 link *etype1 = getSpec(type1);
1139 link *etype2 = getSpec(type2);
1141 /* if one of them is a float then result is a float */
1142 /* here we assume that the types passed are okay */
1143 /* and can be cast to one another */
1144 /* which ever is greater in size */
1145 if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
1146 rType = newFloatLink();
1148 /* if only one of them is a bit variable
1149 then the other one prevails */
1150 if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
1151 rType = copyLinkChain(type2);
1153 if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
1154 rType = copyLinkChain(type1);
1156 /* if one of them is a pointer then that
1159 rType = copyLinkChain(type1);
1162 rType = copyLinkChain(type2);
1164 if (getSize (type1) > getSize(type2) )
1165 rType = copyLinkChain(type1);
1167 rType = copyLinkChain(type2);
1169 reType = getSpec(rType);
1171 /* if either of them unsigned then make this unsigned */
1172 if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
1173 SPEC_USIGN(reType) = 1;
1175 /* if result is a literal then make not so */
1176 if (IS_LITERAL(reType))
1177 SPEC_SCLS(reType) = S_REGISTER ;
1182 /*------------------------------------------------------------------*/
1183 /* checkType - will do type check return 1 if match */
1184 /*------------------------------------------------------------------*/
1185 int checkType ( link *dest, link *src )
1196 /* if dest is a declarator then */
1197 if (IS_DECL(dest)) {
1199 if (DCL_TYPE(src) == DCL_TYPE(dest))
1200 return checkType(dest->next,src->next);
1202 if (IS_PTR(src) && IS_PTR(dest))
1205 if (IS_PTR(dest) && IS_ARRAY(src))
1208 if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
1209 return -1 * checkType (dest->next,src) ;
1214 if (IS_PTR(dest) && IS_INTEGRAL(src))
1220 /* if one of them is a void then ok */
1221 if (SPEC_NOUN(dest) == V_VOID &&
1222 SPEC_NOUN(src) != V_VOID )
1225 if (SPEC_NOUN(dest) != V_VOID &&
1226 SPEC_NOUN(src) == V_VOID )
1229 /* char === to short */
1230 if (SPEC_NOUN(dest) == V_CHAR &&
1231 SPEC_NOUN(src) == V_INT &&
1233 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1235 if (SPEC_NOUN(src) == V_CHAR &&
1236 SPEC_NOUN(dest) == V_INT &&
1238 return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
1240 /* if they are both bitfields then if the lengths
1241 and starts don't match */
1242 if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
1243 (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
1244 SPEC_BSTR(dest) != SPEC_BSTR(src)))
1247 /* it is a specifier */
1248 if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
1249 if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
1250 IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
1251 getSize(dest) == getSize(src))
1254 if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
1260 if (IS_STRUCT(dest)) {
1261 if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
1266 if (SPEC_LONG(dest) != SPEC_LONG(src))
1269 if (SPEC_SHORT(dest) != SPEC_SHORT(src))
1272 if (SPEC_USIGN(dest) != SPEC_USIGN(src))
1278 /*------------------------------------------------------------------*/
1279 /* inCalleeSaveList - return 1 if found in calle save list */
1280 /*------------------------------------------------------------------*/
1281 bool inCalleeSaveList ( char *s)
1285 for (i = 0 ; options.calleeSaves[i] ; i++ )
1286 if (strcmp(options.calleeSaves[i],s) == 0)
1292 /*------------------------------------------------------------------*/
1293 /* checkFunction - does all kinds of check on a function */
1294 /*------------------------------------------------------------------*/
1295 int checkFunction (symbol *sym)
1298 value *exargs, *acargs ;
1301 /* if not type then some kind of error */
1305 /* if the function has no type then make it return int */
1306 if ( !sym->type->next )
1307 sym->type->next = sym->etype = newIntLink();
1309 /* function cannot return aggregate */
1310 if (IS_AGGREGATE(sym->type->next)) {
1311 werror(E_FUNC_AGGR,sym->name);
1315 /* function cannot return bit */
1316 if (IS_BITVAR(sym->type->next)) {
1317 werror(E_FUNC_BIT,sym->name);
1321 /* check if this function is defined as calleeSaves
1322 then mark it as such */
1323 sym->calleeSave = inCalleeSaveList(sym->name);
1325 /* if interrupt service routine */
1326 /* then it cannot have arguments */
1327 if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
1328 werror(E_INT_ARGS,sym->name);
1332 if (!(csym = findSym (SymbolTab, sym, sym->name )))
1333 return 1 ; /* not defined nothing more to check */
1335 /* check if body already present */
1336 if ( csym && csym->fbody ) {
1337 werror(E_FUNC_BODY,sym->name);
1341 /* check the return value type */
1342 if (checkType (csym->type,sym->type) <= 0) {
1343 werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
1344 werror (E_CONTINUE,"previous defintion type ");
1345 printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
1346 werror (E_CONTINUE,"current definition type ");
1347 printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
1351 if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
1352 werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
1356 if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
1357 werror (E_PREV_DEF_CONFLICT,csym->name,"using");
1361 /* compare expected agrs with actual args */
1362 exargs = csym->args ;
1363 acargs = sym->args ;
1365 /* for all the expected args do */
1368 exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
1369 if ( checkType(exargs->type,acargs->type) <= 0) {
1370 werror(E_ARG_TYPE,argCnt);
1375 /* if one them ended we have a problem */
1376 if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
1377 (!exargs && acargs && !IS_VOID(acargs->type)))
1378 werror(E_ARG_COUNT);
1380 /* replace with this defition */
1381 sym->cdef = csym->cdef;
1382 deleteSym (SymbolTab,csym,csym->name);
1383 addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
1384 if (IS_EXTERN(csym->etype) && !
1385 IS_EXTERN(sym->etype)) {
1386 addSet(&publics,sym);
1391 /*-----------------------------------------------------------------*/
1392 /* processFuncArgs - does some processing with function args */
1393 /*-----------------------------------------------------------------*/
1394 void processFuncArgs (symbol *func, int ignoreName)
1400 /* if this function has variable argument list */
1401 /* then make the function a reentrant one */
1403 SPEC_RENT(func->etype) = 1;
1405 /* check if this function is defined as calleeSaves
1406 then mark it as such */
1407 func->calleeSave = inCalleeSaveList(func->name);
1409 val = func->args; /* loop thru all the arguments */
1411 /* if it is void then remove parameters */
1412 if (val && IS_VOID(val->type)) {
1417 /* reset regparm for the port */
1418 (*port->reset_regparms)();
1419 /* if any of the arguments is an aggregate */
1420 /* change it to pointer to the same type */
1422 /* mark it as a register parameter if
1423 the function does not have VA_ARG
1424 and as port dictates
1425 not inhibited by command line option or #pragma */
1426 if (!func->hasVargs &&
1427 !options.noregparms &&
1428 !IS_RENT(func->etype) &&
1429 (*port->reg_parm)(val->type)) {
1430 SPEC_REGPARM(val->etype) = 1;
1433 #if ENABLE_MICHAELH_REGPARM_HACK
1434 /* HACK: pull out later */
1437 !strcmp(func->name, "memcpy") ||
1438 !strcmp(func->name, "strcpy") ||
1439 !strcmp(func->name, "strcmp") ||
1442 port->reg_parm(val->type)) {
1443 SPEC_REGPARM(val->etype) = 1;
1447 if ( IS_AGGREGATE(val->type)) {
1448 /* if this is a structure */
1449 /* then we need to add a new link */
1450 if (IS_STRUCT(val->type)) {
1451 /* first lets add DECLARATOR type */
1452 link *p = val->type ;
1454 werror(W_STRUCT_AS_ARG,val->name);
1455 val->type = newLink();
1456 val->type->next = p ;
1459 /* change to a pointer depending on the */
1460 /* storage class specified */
1461 switch (SPEC_SCLS(val->etype)) {
1463 DCL_TYPE(val->type) = IPOINTER;
1466 DCL_TYPE(val->type) = PPOINTER;
1472 DCL_TYPE(val->type) = POINTER ;
1475 DCL_TYPE(val->type) = CPOINTER;
1478 DCL_TYPE(val->type) = FPOINTER;
1481 DCL_TYPE(val->type) = EEPPOINTER;
1484 DCL_TYPE(val->type) = GPOINTER;
1487 /* is there is a symbol associated then */
1488 /* change the type of the symbol as well*/
1490 val->sym->type = copyLinkChain(val->type);
1491 val->sym->etype = getSpec(val->sym->type);
1499 /* if this function is reentrant or */
1500 /* automatics r 2b stacked then nothing */
1501 if (IS_RENT(func->etype) || options.stackAuto )
1508 /* if a symbolname is not given */
1509 /* synthesize a variable name */
1512 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1513 val->sym = newSymbol(val->name,1);
1514 SPEC_OCLS(val->etype) = (options.model ? xdata : data);
1515 val->sym->type = copyLinkChain (val->type);
1516 val->sym->etype = getSpec (val->sym->type);
1517 val->sym->_isparm = 1;
1518 strcpy (val->sym->rname,val->name);
1519 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1520 SPEC_STAT(func->etype);
1521 addSymChain(val->sym);
1524 else /* symbol name given create synth name */ {
1526 sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
1527 strcpy (val->sym->rname,val->name);
1528 val->sym->_isparm = 1;
1529 SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
1530 (options.model ? xdata : data);
1531 SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
1532 SPEC_STAT(func->etype);
1538 /*-----------------------------------------------------------------*/
1539 /* isSymbolEqual - compares two symbols return 1 if they match */
1540 /*-----------------------------------------------------------------*/
1541 int isSymbolEqual (symbol *dest, symbol *src)
1543 /* if pointers match then equal */
1547 /* if one of them is null then don't match */
1551 /* if both of them have rname match on rname */
1552 if (dest->rname[0] && src->rname[0])
1553 return (!strcmp(dest->rname,src->rname));
1555 /* otherwise match on name */
1556 return (!strcmp(dest->name,src->name));
1559 /*-----------------------------------------------------------------*/
1560 /* printTypeChain - prints the type chain in human readable form */
1561 /*-----------------------------------------------------------------*/
1562 void printTypeChain (link *type, FILE *of)
1572 if (IS_DECL(type)) {
1573 switch (DCL_TYPE(type)) {
1575 fprintf (of,"function ");
1578 fprintf (of,"_generic * ");
1579 if (DCL_PTR_CONST(type))
1580 fprintf(of,"const ");
1583 fprintf (of,"_code * ");
1584 if (DCL_PTR_CONST(type))
1585 fprintf(of,"const ");
1588 fprintf (of,"_far * ");
1589 if (DCL_PTR_CONST(type))
1590 fprintf(of,"const ");
1593 fprintf (of,"_eeprom * ");
1594 if (DCL_PTR_CONST(type))
1595 fprintf(of,"const ");
1599 fprintf (of,"_near * ");
1600 if (DCL_PTR_CONST(type))
1601 fprintf(of,"const ");
1604 fprintf (of,"_idata *");
1605 if (DCL_PTR_CONST(type))
1606 fprintf(of,"const ");
1609 fprintf (of,"_pdata *");
1610 if (DCL_PTR_CONST(type))
1611 fprintf(of,"const ");
1614 fprintf (of," _unkown *");
1615 if (DCL_PTR_CONST(type))
1616 fprintf(of,"const ");
1620 fprintf (of,"array of ");
1624 if (SPEC_VOLATILE(type))
1625 fprintf (of,"volatile ");
1626 if (SPEC_USIGN(type))
1627 fprintf (of,"unsigned ");
1629 switch (SPEC_NOUN(type)) {
1632 fprintf (of,"long ");
1635 fprintf (of,"short ");
1637 fprintf (of,"int ");
1641 fprintf(of,"char ");
1645 fprintf(of,"void ");
1649 fprintf(of,"float ");
1653 fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
1657 fprintf(of,"sbit ");
1661 fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
1674 /*-----------------------------------------------------------------*/
1675 /* cdbTypeInfo - print the type information for debugger */
1676 /*-----------------------------------------------------------------*/
1677 void cdbTypeInfo (link *type,FILE *of)
1679 fprintf(of,"{%d}",getSize(type));
1681 if (IS_DECL(type)) {
1682 switch (DCL_TYPE(type)) {
1708 fprintf (of,"DA%d,",DCL_ELEM(type));
1714 switch (SPEC_NOUN(type)) {
1738 fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
1746 fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
1753 if (SPEC_USIGN(type))
1761 /*-----------------------------------------------------------------*/
1762 /* cdbSymbol - prints a symbol & its type information for debugger */
1763 /*-----------------------------------------------------------------*/
1764 void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
1776 fprintf(of,"S:"); /* symbol record */
1777 /* if this is not a structure symbol then
1778 we need to figure out the scope information */
1782 if (IS_STATIC(sym->etype))
1783 fprintf(of,"F%s$",moduleName); /* scope is file */
1785 fprintf(of,"G$"); /* scope is global */
1788 /* symbol is local */
1789 fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
1791 fprintf(of,"S$"); /* scope is structure */
1793 /* print the name, & mangled name */
1794 fprintf(of,"%s$%d$%d(",sym->name,
1795 sym->level,sym->block);
1797 cdbTypeInfo(sym->type,of);
1800 /* print the address space */
1801 map = SPEC_OCLS(sym->etype);
1802 fprintf(of,"%c,%d,%d",
1803 (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
1805 /* if assigned to registers then output register names */
1806 /* if this is a function then print
1807 if is it an interrupt routine & interrupt number
1808 and the register bank it is using */
1810 fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
1811 SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
1812 /* alternate location to find this symbol @ : eg registers
1819 /*-----------------------------------------------------------------*/
1820 /* cdbStruct - print a structure for debugger */
1821 /*-----------------------------------------------------------------*/
1822 void cdbStruct ( structdef *sdef,int block,FILE *of,
1823 int inStruct, char *tag)
1828 /* if block # then must have function scope */
1829 fprintf(of,"F%s$",moduleName);
1830 fprintf(of,"%s[",(tag ? tag : sdef->tag));
1831 for (sym=sdef->fields ; sym ; sym = sym->next) {
1832 fprintf(of,"({%d}",sym->offset);
1833 cdbSymbol(sym,of,TRUE,FALSE);
1841 /*------------------------------------------------------------------*/
1842 /* cdbStructBlock - calls struct printing for a blcks */
1843 /*------------------------------------------------------------------*/
1844 void cdbStructBlock (int block , FILE *of)
1847 bucket **table = StructTab;
1851 /* go thru the entire table */
1852 for ( i = 0 ; i < 256; i++ ) {
1853 for ( chain = table[i]; chain ; chain = chain->next ) {
1854 if (chain->block >= block) {
1855 cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
1861 /*-----------------------------------------------------------------*/
1862 /* powof2 - returns power of two for the number if number is pow 2 */
1863 /*-----------------------------------------------------------------*/
1864 int powof2 (unsigned long num)
1870 if (num & 1) n1s++ ;
1875 if (n1s > 1 || nshifts == 0) return 0;
1876 return nshifts - 1 ;
1890 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
1891 symbol *__muldiv[3][3][2];
1892 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
1893 link *__multypes[3][2];
1894 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
1895 symbol *__conv[2][3][2];
1899 #if ENABLE_MICHAELH_REGPARM_HACK
1900 static void _makeRegParam(symbol *sym)
1904 val = sym->args; /* loop thru all the arguments */
1906 /* reset regparm for the port */
1907 (*port->reset_regparms)();
1909 SPEC_REGPARM(val->etype) = 1;
1910 sym->argStack -= getSize(val->type);
1916 /*-----------------------------------------------------------------*/
1917 /* initCSupport - create functions for C support routines */
1918 /*-----------------------------------------------------------------*/
1919 void initCSupport ()
1921 const char *smuldivmod[] = {
1924 const char *sbwd[] = {
1925 "char", "int", "long"
1927 const char *ssu[] = {
1931 int bwd, su, muldivmod, tofrom;
1933 floatType= newFloatLink();
1935 for (bwd = 0; bwd < 3; bwd++) {
1950 __multypes[bwd][0] = l;
1951 __multypes[bwd][1] = copyLinkChain(l);
1952 SPEC_USIGN(__multypes[bwd][1]) = 1;
1955 __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
1956 __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
1957 __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
1958 __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
1959 __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
1960 __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
1961 __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
1962 __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
1963 __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
1964 __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
1966 for (tofrom = 0; tofrom < 2; tofrom++) {
1967 for (bwd = 0; bwd < 3; bwd++) {
1968 for (su = 0; su < 2; su++) {
1970 sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
1971 __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
1974 sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
1975 __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
1981 for (muldivmod = 0; muldivmod < 3; muldivmod++) {
1982 for (bwd = 0; bwd < 3; bwd++) {
1983 for (su = 0; su < 2; su++) {
1984 sprintf(buffer, "_%s%s%s",
1985 smuldivmod[muldivmod],
1988 __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
1989 SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
1990 #if ENABLE_MICHAELH_REGPARM_HACK
1992 _makeRegParam(__muldiv[muldivmod][bwd][su]);