1 /*-------------------------------------------------------------------------
3 main.c - pic16 specific general functions.
5 Written by - Scott Dattalo scott@dattalo.com
6 Ported to PIC16 by - Martin Dubuc m.debuc@rogers.com
8 Note that mlh prepended _pic16_ on the static functions. Makes
9 it easier to set a breakpoint using the debugger.
12 This program is free software; you can redistribute it and/or modify it
13 under the terms of the GNU General Public License as published by the
14 Free Software Foundation; either version 2, or (at your option) any
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 -------------------------------------------------------------------------*/
37 static char _defaultRules[] =
42 /* list of key words used by pic16 */
43 static char *_pic16_keywords[] =
73 pic16_sectioninfo_t pic16_sectioninfo;
76 extern char *pic16_processor_base_name(void);
78 void pic16_pCodeInitRegisters(void);
80 void pic16_assignRegisters (eBBlock ** ebbs, int count);
82 static int regParmFlg = 0; /* determine if we can register a parameter */
84 pic16_options_t pic16_options;
86 extern set *includeDirsSet;
87 extern set *dataDirsSet;
88 extern set *libFilesSet;
90 /* Also defined in gen.h, but the #include is commented out */
91 /* for an unknowned reason. - EEP */
92 void pic16_emitDebuggerSymbol (char *);
94 extern regs* newReg(short type, short pc_type, int rIdx, char *name, int size, int alias, operand *refop);
95 extern void pic16_emitConfigRegs(FILE *of);
96 extern void pic16_emitIDRegs(FILE *of);
103 asm_addTree (&asm_asxxxx_mapping);
104 pic16_pCodeInitRegisters();
109 _pic16_reset_regparm (void)
115 _pic16_regparm (sym_link * l)
117 /* force all parameters via SEND/RECEIVE */
118 if(0 /*pic16_options.ip_stack*/) {
119 /* for this processor it is simple
120 * can pass only the first parameter in a register */
121 if(regParmFlg)return 0;
123 return 1; //regParmFlg;
125 /* otherwise pass all arguments in registers via SEND/RECEIVE */
132 int initsfpnt=0; /* set to 1 if source provides a pragma for stack
133 * so glue() later emits code to initialize stack/frame pointers */
136 set *sectNames=NULL; /* list of section listed in pragma directives */
137 set *sectSyms=NULL; /* list of symbols set in a specific section */
141 _process_pragma(const char *sz)
143 static const char *WHITE = " \t\n";
145 char *ptr = strtok((char *)sz, WHITE);
147 /* #pragma maxram [maxram] */
148 if (startsWith (ptr, "maxram")) {
149 char *maxRAM = strtok((char *)NULL, WHITE);
151 if (maxRAM != (char *)NULL) {
155 maxRAMVal = constVal(maxRAM);
156 maxRAMaddress = (int)floatFromVal(maxRAMVal);
157 pic16_setMaxRAM(maxRAMaddress);
163 /* #pragma stack [stack-position] [stack-len] */
164 if(startsWith(ptr, "stack")) {
165 char *stackPosS = strtok((char *)NULL, WHITE);
166 char *stackLenS = strtok((char *)NULL, WHITE);
172 stackPosVal = constVal( stackPosS );
173 stackPos = (unsigned int)floatFromVal( stackPosVal );
177 stackLenVal = constVal( stackLenS );
178 stackLen = (unsigned int)floatFromVal( stackLenVal );
183 fprintf(stderr, "%s:%d: warning: setting stack to default size %d (0x%04x)\n",
184 filename, lineno-1, stackLen, stackLen);
186 // fprintf(stderr, "%s:%d setting stack to default size %d\n", __FILE__, __LINE__, stackLen);
189 // fprintf(stderr, "Initializing stack pointer at 0x%x len 0x%x\n", stackPos, stackLen);
191 reg=newReg(REG_SFR, PO_SFR_REGISTER, stackPos, "_stack", stackLen-1, 0, NULL);
192 addSet(&pic16_fix_udata, reg);
194 reg = newReg(REG_SFR, PO_SFR_REGISTER, stackPos + stackLen-1, "_stack_end", 1, 0, NULL);
195 addSet(&pic16_fix_udata, reg);
197 sym = newSymbol("stack", 0);
198 sprintf(sym->rname, "_%s", sym->name);
199 addSet(&publics, sym);
201 sym = newSymbol("stack_end", 0);
202 sprintf(sym->rname, "_%s", sym->name);
203 addSet(&publics, sym);
205 initsfpnt = 1; // force glue() to initialize stack/frame pointers */
210 /* #pragma code [symbol] [location] */
211 if(startsWith(ptr, "code")) {
212 char *symname = strtok((char *)NULL, WHITE);
213 char *location = strtok((char *)NULL, WHITE);
217 absS = Safe_calloc(1, sizeof(absSym));
218 sprintf(absS->name, "_%s", symname);
220 addr = constVal( location );
221 absS->address = (unsigned int)floatFromVal( addr );
223 if((absS->address % 2) != 0) {
225 fprintf(stderr, "%s:%d: warning: code memory locations should be word aligned, will locate to 0x%06x instead\n",
226 filename, lineno-1, absS->address);
229 addSet(&absSymSet, absS);
230 // fprintf(stderr, "%s:%d symbol %s will be placed in location 0x%06x in code memory\n",
231 // __FILE__, __LINE__, symname, absS->address);
236 /* #pragma udata [section-name] [symbol] */
237 if(startsWith(ptr, "udata")) {
238 char *sectname = strtok((char *)NULL, WHITE);
239 char *symname = strtok((char *)NULL, WHITE);
246 ssym = Safe_calloc(1, sizeof(sectSyms));
247 ssym->name = Safe_calloc(1, strlen(symname)+2);
248 sprintf(ssym->name, "_%s", symname);
251 addSet(§Syms, ssym);
253 nsym = newSymbol(symname, 0);
254 strcpy(nsym->rname, ssym->name);
255 checkAddSym(&publics, nsym);
258 for(snam=setFirstItem(sectNames);snam;snam=setNextItem(sectNames)) {
259 if(!strcmp(sectname, snam->name)){ found=1; break; }
263 snam = Safe_calloc(1, sizeof(sectNames));
264 snam->name = Safe_strdup( sectname );
265 snam->regsSet = NULL;
267 addSet(§Names, snam);
270 ssym->section = snam;
272 // fprintf(stderr, "%s:%d placing symbol %s at section %s (%p)\n", __FILE__, __LINE__,
273 // ssym->name, snam->name, snam);
275 symname = strtok((char *)NULL, WHITE);
284 #define REP_UDATA "--preplace-udata-with="
286 #define STACK_MODEL "--pstack-model="
287 #define OPT_BANKSEL "--obanksel="
289 #define ALT_ASM "--asm="
290 #define ALT_LINK "--link="
292 #define IVT_LOC "--ivt-loc"
293 #define NO_DEFLIBS "--nodefaultlibs"
294 #define MPLAB_COMPAT "--mplab-comp"
296 #define NL_OPT "--nl="
297 #define USE_CRT "--use-crt="
299 #define OFMSG_LRSUPPORT "--flr-support"
304 int pic16_mplab_comp=0;
305 extern int pic16_debug_verbose;
306 extern int pic16_ralloc_debug;
307 extern int pic16_pcode_verbose;
310 int pic16_enable_peeps=0;
311 int pic16_nl=0; /* 0 for LF, 1 for CRLF */
313 OPTION pic16_optionsTable[]= {
314 { 0, NO_DEFLIBS, &pic16_options.nodefaultlibs, "do not link default libraries when linking"},
315 { 0, "--pno-banksel", &pic16_options.no_banksel, "do not generate BANKSEL assembler directives"},
316 { 0, OPT_BANKSEL, NULL, "set banksel optimization level (default=0 no)"},
317 { 0, "--pomit-config-words", &pic16_options.omit_configw, "omit the generation of configuration words"},
318 { 0, "--pomit-ivt", &pic16_options.omit_ivt, "omit the generation of the Interrupt Vector Table"},
319 { 0, "--pleave-reset-vector",&pic16_options.leave_reset, "when omitting IVT leave RESET vector"},
320 { 0, STACK_MODEL, NULL, "use stack model 'small' (default) or 'large'"},
322 { 0, "--debug-xtra", &pic16_debug_verbose, "show more debug info in assembly output"},
323 { 0, "--debug-ralloc", &pic16_ralloc_debug, "dump register allocator debug file *.d"},
324 { 0, "--pcode-verbose", &pic16_pcode_verbose, "dump pcode related info"},
326 { 0, REP_UDATA, NULL, "Place udata variables at another section: udata_acs, udata_ovr, udata_shr"},
328 { 0, ALT_ASM, NULL, "Use alternative assembler"},
329 { 0, ALT_LINK, NULL, "Use alternative linker"},
331 { 0, "--denable-peeps", &pic16_enable_peeps, "explicit enable of peepholes"},
332 { 0, IVT_LOC, NULL, "<nnnn> interrupt vector table location"},
333 { 0, "--calltree", &pic16_options.dumpcalltree, "dump call tree in .calltree file"},
334 { 0, MPLAB_COMPAT, &pic16_mplab_comp, "enable compatibility mode for MPLAB utilities (MPASM/MPLINK)"},
335 { 0, "--fstack", &pic16_fstack, "enable stack optimizations"},
336 { 0, NL_OPT, NULL, "new line, \"lf\" or \"crlf\""},
337 { 0, USE_CRT, NULL, "use <crt-o> run-time initialization module"},
338 { 0, "--no-crt", &pic16_options.no_crt, "do not link any default run-time initialization module"},
339 { 0, "--gstack", &pic16_options.gstack, "trace stack pointer push/pop to overflow"},
340 { 0, OFMSG_LRSUPPORT, NULL, "use support functions for local register store/restore"},
341 { 0, NULL, NULL, NULL}
345 #define ISOPT(str) !strncmp(argv[ *i ], str, strlen(str) )
347 extern char *getStringArg(const char *, char **, int *, int);
348 extern int getIntArg(const char *, char **, int *, int);
351 _pic16_parseOptions (int *pargc, char **argv, int *i)
356 /* TODO: allow port-specific command line options to specify
357 * segment names here.
360 /* check for arguments that have associated an integer variable */
361 while(pic16_optionsTable[j].pparameter) {
362 if(ISOPT( pic16_optionsTable[j].longOpt )) {
363 (*pic16_optionsTable[j].pparameter)++;
369 if(ISOPT(STACK_MODEL)) {
370 stkmodel = getStringArg(STACK_MODEL, argv, i, *pargc);
371 if(!STRCASECMP(stkmodel, "small"))pic16_options.stack_model = 0;
372 else if(!STRCASECMP(stkmodel, "large"))pic16_options.stack_model = 1;
374 fprintf(stderr, "Unknown stack model: %s", stkmodel);
380 if(ISOPT(OPT_BANKSEL)) {
381 pic16_options.opt_banksel = getIntArg(OPT_BANKSEL, argv, i, *pargc);
385 if(ISOPT(REP_UDATA)) {
386 pic16_sectioninfo.at_udata = Safe_strdup(getStringArg(REP_UDATA, argv, i, *pargc));
391 alt_asm = Safe_strdup(getStringArg(ALT_ASM, argv, i, *pargc));
395 if(ISOPT(ALT_LINK)) {
396 alt_link = Safe_strdup(getStringArg(ALT_LINK, argv, i, *pargc));
401 pic16_options.ivt_loc = getIntArg(IVT_LOC, argv, i, *pargc);
408 tmp = Safe_strdup( getStringArg(NL_OPT, argv, i, *pargc) );
409 if(!STRCASECMP(tmp, "lf"))pic16_nl = 0;
410 else if(!STRCASECMP(tmp, "crlf"))pic16_nl = 1;
412 fprintf(stderr, "invalid termination character id\n");
419 pic16_options.no_crt = 0;
420 pic16_options.crt_name = Safe_strdup( getStringArg(USE_CRT, argv, i, *pargc) );
425 if(ISOPT(OFMSG_LRSUPPORT)) {
426 pic16_options.opt_flags |= OF_LR_SUPPORT;
433 extern set *userIncDirsSet;
435 static void _pic16_initPaths(void)
437 char pic16incDir[512];
438 char pic16libDir[512];
439 set *pic16incDirsSet=NULL;
440 set *pic16libDirsSet=NULL;
443 setMainValue("mcu", pic16->name[2] );
444 addSet(&preArgvSet, Safe_strdup("-D{mcu}"));
446 sprintf(pic16incDir, "%s%cpic16", INCLUDE_DIR_SUFFIX, DIR_SEPARATOR_CHAR);
447 sprintf(pic16libDir, "%s%cpic16", LIB_DIR_SUFFIX, DIR_SEPARATOR_CHAR);
450 if(!options.nostdinc) {
451 /* setup pic16 include directory */
452 pic16incDirsSet = appendStrSet(dataDirsSet, NULL, pic16incDir);
453 includeDirsSet = pic16incDirsSet;
454 // mergeSets(&includeDirsSet, pic16incDirsSet);
456 /* pic16 port should not search to the SDCC standard include directories,
457 * so add here the deleted include dirs that user has issued in command line */
458 mergeSets(&pic16incDirsSet, userIncDirsSet);
460 if(!options.nostdlib) {
461 /* setup pic16 library directory */
462 pic16libDirsSet = appendStrSet(dataDirsSet, NULL, pic16libDir);
463 libDirsSet = pic16libDirsSet;
464 // mergeSets(&libDirsSet, pic16libDirsSet);
467 if(!pic16_options.nodefaultlibs) {
468 /* now add the library for the device */
469 sprintf(devlib, "%s.lib", pic16->name[2]);
470 addSet(&libFilesSet, Safe_strdup(devlib));
472 /* add the internal SDCC library */
473 addSet(&libFilesSet, Safe_strdup( "libsdcc.lib" ));
477 extern set *linkOptionsSet;
478 char *msprintf(hTab *pvals, const char *pformat, ...);
479 int my_system(const char *cmd);
481 /* custom function to link objects */
482 static void _pic16_linkEdit(void)
484 hTab *linkValues=NULL;
492 * link command format:
493 * {linker} {incdirs} {lflags} -o {outfile} {spec_ofiles} {ofiles} {libs}
497 sprintf(lfrm, "{linker} {incdirs} {lflags} -o {outfile} {user_ofile} {spec_ofiles} {ofiles} {libs}");
499 shash_add(&linkValues, "linker", "gplink");
501 mergeSets(&tSet, libDirsSet);
502 mergeSets(&tSet, libPathsSet);
504 shash_add(&linkValues, "incdirs", joinStrSet( appendStrSet(tSet, "-I\"", "\"")));
505 shash_add(&linkValues, "lflags", joinStrSet(linkOptionsSet));
507 shash_add(&linkValues, "outfile", dstFileName);
509 if(fullSrcFileName) {
510 sprintf(temp, "%s.o", dstFileName);
511 // addSetHead(&relFilesSet, Safe_strdup(temp));
512 shash_add(&linkValues, "user_ofile", temp);
515 if(!pic16_options.no_crt)
516 shash_add(&linkValues, "spec_ofiles", pic16_options.crt_name);
518 shash_add(&linkValues, "ofiles", joinStrSet(relFilesSet));
519 shash_add(&linkValues, "libs", joinStrSet(libFilesSet));
521 lcmd = msprintf(linkValues, lfrm);
523 ret = my_system( lcmd );
532 /* forward declarations */
533 extern const char *pic16_linkCmd[];
534 extern const char *pic16_asmCmd[];
537 _pic16_finaliseOptions (void)
539 port->mem.default_local_map = data;
540 port->mem.default_globl_map = data;
542 /* peepholes are disabled for the time being */
545 /* explicit enable peepholes for testing */
546 if(pic16_enable_peeps)
549 options.all_callee_saves = 1; // always callee saves
552 options.float_rent = 1;
553 options.intlong_rent = 1;
557 if(alt_asm && strlen(alt_asm))
558 pic16_asmCmd[0] = alt_asm;
560 if(alt_link && strlen(alt_link))
561 pic16_linkCmd[0] = alt_link;
563 if(!pic16_options.no_crt) {
564 pic16_options.omit_ivt = 1;
565 pic16_options.leave_reset = 0;
571 if (options.model == MODEL_LARGE)
573 port->mem.default_local_map = xdata;
574 port->mem.default_globl_map = xdata;
578 port->mem.default_local_map = data;
579 port->mem.default_globl_map = data;
582 if (options.stack10bit)
584 if (options.model != MODEL_FLAT24)
587 "*** warning: 10 bit stack mode is only supported in flat24 model.\n");
588 fprintf (stderr, "\t10 bit stack mode disabled.\n");
589 options.stack10bit = 0;
593 /* Fixup the memory map for the stack; it is now in
594 * far space and requires a FPOINTER to access it.
597 istack->ptrType = FPOINTER;
604 _pic16_setDefaultOptions (void)
606 options.stackAuto = 0; /* implicit declaration */
607 /* port is not capable yet to allocate separate registers
608 * dedicated for passing certain parameters */
610 /* initialize to defaults section locations, names and addresses */
611 pic16_sectioninfo.at_udata = "udata";
613 /* set pic16 port options to defaults */
614 pic16_options.no_banksel = 0;
615 pic16_options.opt_banksel = 0;
616 pic16_options.omit_configw = 0;
617 pic16_options.omit_ivt = 0;
618 pic16_options.leave_reset = 0;
619 pic16_options.stack_model = 0; /* 0 for 'small', 1 for 'large' */
620 pic16_options.ivt_loc = 0x000000;
621 pic16_options.nodefaultlibs = 0;
622 pic16_options.dumpcalltree = 0;
623 pic16_options.crt_name = "crt0i.o"; /* the default crt to link */
624 pic16_options.no_crt = 0; /* use crt by default */
625 pic16_options.ip_stack = 1; /* set to 1 to enable ipop/ipush for stack */
626 pic16_options.gstack = 0;
630 _pic16_getRegName (struct regs *reg)
639 static char *_pic16_mangleFunctionName(char *sz)
641 // fprintf(stderr, "mangled function name: %s\n", sz);
649 _pic16_genAssemblerPreamble (FILE * of)
651 char *name = pic16_processor_base_name();
655 fprintf(stderr,"WARNING: No Pic has been selected, defaulting to %s\n",name);
658 fprintf (of, "\tlist\tp=%s\n",&name[1]);
660 if(!pic16_options.omit_configw) {
661 pic16_emitConfigRegs(of);
663 pic16_emitIDRegs(of);
666 fprintf (of, "\tradix dec\n");
669 /* Generate interrupt vector table. */
671 _pic16_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
674 /* PIC18F family has only two interrupts, the high and the low
675 * priority interrupts, which reside at 0x0008 and 0x0018 respectively - VR */
677 if((!pic16_options.omit_ivt) || (pic16_options.omit_ivt && pic16_options.leave_reset)) {
678 fprintf(of, "; RESET vector\n");
679 fprintf(of, "\tgoto\t__sdcc_gsinit_startup\n");
682 if(!pic16_options.omit_ivt) {
683 fprintf(of, "\tres 4\n");
686 fprintf(of, "; High priority interrupt vector 0x0008\n");
688 fprintf(of, "\tgoto\t%s\n", interrupts[1]->rname);
689 fprintf(of, "\tres\t12\n");
691 fprintf(of, "\tretfie\n");
692 fprintf(of, "\tres\t14\n");
695 fprintf(of, "; Low priority interrupt vector 0x0018\n");
697 fprintf(of, "\tgoto\t%s\n", interrupts[2]->rname);
699 fprintf(of, "\tretfie\n");
706 /* return True if the port can handle the type,
707 * False to convert it to function call */
708 static bool _hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right)
710 // fprintf(stderr,"checking for native mult for %c (size: %d)\n", ic->op, getSize(OP_SYMBOL(IC_RESULT(ic))->type));
713 /* multiplication is fixed */
714 /* support mul for char/int/long */
716 && (getSize(OP_SYMBOL(IC_LEFT(ic))->type ) < 2))return TRUE;
720 /* support div for char/int/long */
721 if((getSize(OP_SYMBOL(IC_LEFT(ic))->type ) < 0)
722 && (ic->op == '/'))return TRUE;
730 /* Do CSE estimation */
731 static bool cseCostEstimation (iCode *ic, iCode *pdic)
733 // operand *result = IC_RESULT(ic);
734 // sym_link *result_type = operandType(result);
737 /* VR -- this is an adhoc. Put here after conversation
738 * with Erik Epetrich */
742 || ic->op == EQ_OP) {
744 fprintf(stderr, "%d %s\n", __LINE__, __FUNCTION__);
749 /* if it is a pointer then return ok for now */
750 if (IC_RESULT(ic) && IS_PTR(result_type)) return 1;
752 /* if bitwise | add & subtract then no since mcs51 is pretty good at it
753 so we will cse only if they are local (i.e. both ic & pdic belong to
754 the same basic block */
755 if (IS_BITWISE_OP(ic) || ic->op == '+' || ic->op == '-') {
756 /* then if they are the same Basic block then ok */
757 if (ic->eBBlockNum == pdic->eBBlockNum) return 1;
762 /* for others it is cheaper to do the cse */
768 /* Indicate which extended bit operations this port supports */
770 hasExtBitOp (int op, int size)
774 /* || op == GETHBIT */ /* GETHBIT doesn't look complete for PIC */
781 /* Indicate the expense of an access to an output storage class */
783 oclsExpense (struct memmap *oclass)
785 /* The IN_FARSPACE test is compatible with historical behaviour, */
786 /* but I don't think it is applicable to PIC. If so, please feel */
787 /* free to remove this test -- EEP */
788 if (IN_FARSPACE(oclass))
794 /** $1 is the input object file (PIC16 specific) // >>always the basename<<.
795 $2 is always the output file.
796 $3 -L path and -l libraries
797 $l is the list of extra options that should be there somewhere...
798 MUST be terminated with a NULL.
800 const char *pic16_linkCmd[] =
802 "gplink", "$l", "-o \"$2\"", "\"$1\"","$3", NULL
807 /** $1 is always the basename.
808 $2 is always the output file.
809 $3 varies (nothing currently)
810 $l is the list of extra options that should be there somewhere...
811 MUST be terminated with a NULL.
813 const char *pic16_asmCmd[] =
815 "gpasm", "$l", "$3", "-c", "\"$1.asm\"", "-o \"$2\"", NULL
824 "MCU PIC16", /* Target name */
825 "p18f452", /* Processor */
828 TRUE, /* Emit glue around main */
829 MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
833 pic16_asmCmd, /* assembler command and arguments */
834 NULL, /* alternate macro based form */
835 "-g", /* arguments for debug mode */
836 NULL, /* arguments for normal mode */
837 0, /* print externs as global */
838 ".asm", /* assembler file extension */
839 NULL /* no do_assemble function */
842 NULL, // pic16_linkCmd, /* linker command and arguments */
843 NULL, /* alternate macro based form */
844 _pic16_linkEdit, //NULL, /* no do_link function */
845 ".o", /* extension for object files */
846 0 /* no need for linker file */
858 3, /* fptr, far pointers (see Microchip) */
865 "XSEG (XDATA)", // xstack
866 "STACK (DATA)", // istack
867 "CSEG (CODE)", // code
868 "DSEG (DATA)", // data
869 "ISEG (DATA)", // idata
871 "XSEG (XDATA)", // xdata
873 "RSEG (DATA)", // reg
874 "GSINIT (CODE)", // static
875 "OSEG (OVR,DATA)", // overlay
876 "GSFINAL (CODE)", // post static
877 "HOME (CODE)", // home
880 NULL, // default location for auto vars
881 NULL, // default location for global vars
882 1 // code is read only 1=yes
885 NULL, /* genExtraAreaDeclaration */
886 NULL /* genExatrAreaLinkOptions */
889 /* stack related information */
890 -1, /* -1 stack grows downwards, +1 upwards */
891 1, /* extra overhead when calling between banks */
892 4, /* extra overhead when the function is an ISR */
893 1, /* extra overhead for a function call */
894 1, /* re-entrant space */
895 0 /* 'banked' call overhead, mild overlap with bank_overhead */
897 /* pic16 has an 8 bit mul */
902 pic16_emitDebuggerSymbol
905 255/3, /* maxCount */
906 3, /* sizeofElement */
907 /* The rest of these costs are bogus. They approximate */
908 /* the behavior of src/SDCCicode.c 1.207 and earlier. */
909 {4,4,4}, /* sizeofMatchJump[] */
910 {0,0,0}, /* sizeofRangeCompare[] */
911 0, /* sizeofSubtract */
912 3, /* sizeofDispatch */
919 _pic16_finaliseOptions,
920 _pic16_setDefaultOptions,
921 pic16_assignRegisters,
924 _pic16_genAssemblerPreamble,
925 NULL, /* no genAssemblerEnd */
927 NULL, // _pic16_genXINIT
928 NULL, /* genInitStartup */
929 _pic16_reset_regparm,
931 _process_pragma, /* process a pragma */
932 _pic16_mangleFunctionName, /* mangles function name */
934 hasExtBitOp, /* hasExtBitOp */
935 oclsExpense, /* oclsExpense */
937 TRUE, /* little endian */
940 1, /* transform <= to ! > */
941 1, /* transform >= to ! < */
942 1, /* transform != to !(a == b) */
944 FALSE, /* No array initializer support. */
945 0, //cseCostEstimation, /* !!!no CSE cost estimation yet */
946 NULL, /* no builtin functions */
947 GPOINTER, /* treat unqualified pointers as "generic" pointers */
948 1, /* reset labelKey to 1 */
949 1, /* globals & local static allowed */