X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fpic%2Fgen.c;h=ba4a10fc546dbaed67ef800a171c48da71902850;hb=c7f4a6fa7318f4495c4c68870600eede23249868;hp=42b0b3756937ea079081612d3e75c9726d30055e;hpb=648671f93830aad38410d5f010e67992a8a43601;p=fw%2Fsdcc diff --git a/src/pic/gen.c b/src/pic/gen.c index 42b0b375..ba4a10fc 100644 --- a/src/pic/gen.c +++ b/src/pic/gen.c @@ -36,33 +36,36 @@ #include "SDCCglobl.h" #include "newalloc.h" -#ifdef HAVE_SYS_ISA_DEFS_H -#include -#else -#ifdef HAVE_MACHINE_ENDIAN_H -#include -#else -#ifdef HAVE_ENDIAN_H -#include -#else -#if !defined(__BORLANDC__) && !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__CYGWIN__) -#warning "Cannot determine ENDIANESS of this machine assuming LITTLE_ENDIAN" -#warning "If you running sdcc on an INTEL 80x86 Platform you are okay" -#endif -#endif -#endif -#endif - #include "common.h" #include "SDCCpeeph.h" #include "ralloc.h" #include "pcode.h" #include "gen.h" + +extern void genUMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *); +extern void genSMult8X8_16 (operand *, operand *,operand *,pCodeOpReg *); +void genMult8X8_8 (operand *, operand *,operand *); +pCode *AssembleLine(char *line); +extern void printpBlock(FILE *of, pBlock *pb); + static int labelOffset=0; -static int debug_verbose=1; +extern int debug_verbose; +static int optimized_for_speed = 0; + +/* max_key keeps track of the largest label number used in + a function. This is then used to adjust the label offset + for the next function. +*/ +static int max_key=0; +static int GpsuedoStkPtr=0; +pCodeOp *popGetImmd(char *name, unsigned int offset, int index); unsigned int pic14aopLiteral (value *val, int offset); +const char *AopType(short type); +static iCode *ifxForOp ( operand *op, iCode *ic ); + +#define BYTEofLONG(l,b) ( (l>> (b<<3)) & 0xff) /* this is the down and dirty file with all kinds of kludgy & hacky stuff. This is what it is all about @@ -73,7 +76,7 @@ static char *zero = "#0x00"; static char *one = "#0x01"; static char *spname = "sp"; -char *fReturnpic14[] = {"FSR","dph","b","a" }; +char *fReturnpic14[] = {"temp1","temp2","temp3","temp4" }; //char *fReturn390[] = {"dpl","dph","dpx", "b","a" }; unsigned fReturnSizePic = 4; /* shared with ralloc.c */ static char **fReturn = fReturnpic14; @@ -92,7 +95,15 @@ static struct { set *sendSet; } _G; -char *Safe_strdup(char *str); // in pcode.c +/* Resolved ifx structure. This structure stores information + about an iCode ifx that makes it easier to generate code. +*/ +typedef struct resolvedIfx { + symbol *lbl; /* pointer to a label */ + int condition; /* true or false ifx */ + int generated; /* set true when the code associated with the ifx + * is generated */ +} resolvedIfx; extern int pic14_ptrRegReq ; extern int pic14_nRegs; @@ -134,26 +145,44 @@ static int my_powof2 (unsigned long num) return -1; } -static void emitpLabel(int key) +void DEBUGpic14_AopType(int line_no, operand *left, operand *right, operand *result) { - addpCode2pBlock(pb,newpCodeLabel(key)); + + DEBUGpic14_emitcode ("; ","line = %d result %s=%s, left %s=%s, right %s=%s, size = %d", + line_no, + ((result) ? AopType(AOP_TYPE(result)) : "-"), + ((result) ? aopGet(AOP(result),0,TRUE,FALSE) : "-"), + ((left) ? AopType(AOP_TYPE(left)) : "-"), + ((left) ? aopGet(AOP(left),0,TRUE,FALSE) : "-"), + ((right) ? AopType(AOP_TYPE(right)) : "-"), + ((right) ? aopGet(AOP(right),0,FALSE,FALSE) : "-"), + ((result) ? AOP_SIZE(result) : 0)); + } -void emitpcode(PIC_OPCODE poc, pCodeOp *pcop) +void DEBUGpic14_AopTypeSign(int line_no, operand *left, operand *right, operand *result) { - addpCode2pBlock(pb,newpCode(poc,pcop)); + DEBUGpic14_emitcode ("; ","line = %d, signs: result %s=%c, left %s=%c, right %s=%c", + line_no, + ((result) ? AopType(AOP_TYPE(result)) : "-"), + ((result) ? (SPEC_USIGN(operandType(result)) ? 'u' : 's') : '-'), + ((left) ? AopType(AOP_TYPE(left)) : "-"), + ((left) ? (SPEC_USIGN(operandType(left)) ? 'u' : 's') : '-'), + ((right) ? AopType(AOP_TYPE(right)) : "-"), + ((right) ? (SPEC_USIGN(operandType(right)) ? 'u' : 's') : '-')); } -/*-----------------------------------------------------------------*/ -/* pic14_emitcode - writes the code into a file : for now it is simple */ -/*-----------------------------------------------------------------*/ -void pic14_emitcode (char *inst,char *fmt, ...) + +void DEBUGpic14_emitcode (char *inst,char *fmt, ...) { va_list ap; char lb[INITIAL_INLINEASM]; char *lbp = lb; + if(!debug_verbose) + return; + va_start(ap,fmt); if (inst && *inst) { @@ -174,21 +203,42 @@ void pic14_emitcode (char *inst,char *fmt, ...) lineCurr->isInline = _G.inLine; lineCurr->isDebug = _G.debugLine; - if(debug_verbose) - addpCode2pBlock(pb,newpCodeCharP(lb)); + addpCode2pBlock(pb,newpCodeCharP(lb)); va_end(ap); } -void DEBUGpic14_emitcode (char *inst,char *fmt, ...) + +void emitpLabel(int key) +{ + addpCode2pBlock(pb,newpCodeLabel(NULL,key+100+labelOffset)); +} + +void emitpcode(PIC_OPCODE poc, pCodeOp *pcop) +{ + + if(pcop) + addpCode2pBlock(pb,newpCode(poc,pcop)); + else + DEBUGpic14_emitcode(";","%s ignoring NULL pcop",__FUNCTION__); +} + +void emitpcodeNULLop(PIC_OPCODE poc) +{ + + addpCode2pBlock(pb,newpCode(poc,NULL)); + +} + +/*-----------------------------------------------------------------*/ +/* pic14_emitcode - writes the code into a file : for now it is simple */ +/*-----------------------------------------------------------------*/ +void pic14_emitcode (char *inst,char *fmt, ...) { va_list ap; char lb[INITIAL_INLINEASM]; char *lbp = lb; - if(!debug_verbose) - return; - va_start(ap,fmt); if (inst && *inst) { @@ -209,7 +259,8 @@ void DEBUGpic14_emitcode (char *inst,char *fmt, ...) lineCurr->isInline = _G.inLine; lineCurr->isDebug = _G.debugLine; - addpCode2pBlock(pb,newpCodeCharP(lb)); + if(debug_verbose) + addpCode2pBlock(pb,newpCodeCharP(lb)); va_end(ap); } @@ -258,8 +309,8 @@ static regs *getFreePtr (iCode *ic, asmop **aopp, bool result) if (!r0iu) { /* push it if not already pushed */ if (!_G.r0Pushed) { - pic14_emitcode ("push","%s", - pic14_regWithIdx(R0_IDX)->dname); + //pic14_emitcode ("push","%s", + // pic14_regWithIdx(R0_IDX)->dname); _G.r0Pushed++ ; } @@ -274,8 +325,8 @@ static regs *getFreePtr (iCode *ic, asmop **aopp, bool result) if (!r1iu) { /* push it if not already pushed */ if (!_G.r1Pushed) { - pic14_emitcode ("push","%s", - pic14_regWithIdx(R1_IDX)->dname); + //pic14_emitcode ("push","%s", + // pic14_regWithIdx(R1_IDX)->dname); _G.r1Pushed++ ; } @@ -324,6 +375,44 @@ static void genSetDPTR(int n) } } +/*-----------------------------------------------------------------*/ +/* resolveIfx - converts an iCode ifx into a form more useful for */ +/* generating code */ +/*-----------------------------------------------------------------*/ +static void resolveIfx(resolvedIfx *resIfx, iCode *ifx) +{ + if(!resIfx) + return; + + // DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__); + + resIfx->condition = 1; /* assume that the ifx is true */ + resIfx->generated = 0; /* indicate that the ifx has not been used */ + + if(!ifx) { + resIfx->lbl = newiTempLabel(NULL); /* oops, there is no ifx. so create a label */ +/* + DEBUGpic14_emitcode("; ***","%s %d null ifx creating new label key =%d", + __FUNCTION__,__LINE__,resIfx->lbl->key); +*/ + } else { + if(IC_TRUE(ifx)) { + resIfx->lbl = IC_TRUE(ifx); + } else { + resIfx->lbl = IC_FALSE(ifx); + resIfx->condition = 0; + } +/* + if(IC_TRUE(ifx)) + DEBUGpic14_emitcode("; ***","ifx true is non-null"); + if(IC_FALSE(ifx)) + DEBUGpic14_emitcode("; ***","ifx false is non-null"); +*/ + } + + // DEBUGpic14_emitcode("; ***","%s lbl->key=%d, (lab offset=%d)",__FUNCTION__,resIfx->lbl->key,labelOffset); + +} /*-----------------------------------------------------------------*/ /* pointerCode - returns the code for a pointer type */ /*-----------------------------------------------------------------*/ @@ -420,7 +509,7 @@ static asmop *aopForSym (iCode *ic,symbol *sym,bool result) sym->aop = aop = newAsmop (AOP_CRY); aop->aopu.aop_dir = sym->rname ; aop->size = getSize(sym->type); - DEBUGpic14_emitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size); + //DEBUGpic14_emitcode(";","%d sym->rname = %s, size = %d",__LINE__,sym->rname,aop->size); return aop; } /* if it is in direct space */ @@ -439,17 +528,34 @@ static asmop *aopForSym (iCode *ic,symbol *sym,bool result) aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1); strcpy(aop->aopu.aop_immd,sym->rname); aop->size = FPTRSIZE; + DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname); return aop; } /* only remaining is far space */ /* in which case DPTR gets the address */ + sym->aop = aop = newAsmop(AOP_PCODE); + + aop->aopu.pcop = popGetImmd(sym->rname,0,0); + PCOI(aop->aopu.pcop)->_const = IN_CODESPACE(space); + PCOI(aop->aopu.pcop)->index = 0; + + DEBUGpic14_emitcode(";","%d: rname %s, val %d, const = %d", + __LINE__,sym->rname, 0, PCOI(aop->aopu.pcop)->_const); + + allocDirReg (IC_LEFT(ic)); + + aop->size = FPTRSIZE; +/* + DEBUGpic14_emitcode(";","%d size = %d, name =%s",__LINE__,aop->size,sym->rname); sym->aop = aop = newAsmop(AOP_DPTR); pic14_emitcode ("mov","dptr,#%s", sym->rname); aop->size = getSize(sym->type); DEBUGpic14_emitcode(";","%d size = %d",__LINE__,aop->size); +*/ + /* if it is in code space */ if (IN_CODESPACE(space)) aop->code = 1; @@ -460,37 +566,58 @@ static asmop *aopForSym (iCode *ic,symbol *sym,bool result) /*-----------------------------------------------------------------*/ /* aopForRemat - rematerialzes an object */ /*-----------------------------------------------------------------*/ -static asmop *aopForRemat (symbol *sym) -{ - iCode *ic = sym->rematiCode; - asmop *aop = newAsmop(AOP_IMMD); - int val = 0; - DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__); - for (;;) { - if (ic->op == '+') - val += (int) operandLitValue(IC_RIGHT(ic)); - else if (ic->op == '-') - val -= (int) operandLitValue(IC_RIGHT(ic)); - else - break; +static asmop *aopForRemat (operand *op) // x symbol *sym) +{ + symbol *sym = OP_SYMBOL(op); + iCode *ic = NULL; + asmop *aop = newAsmop(AOP_PCODE); + int val = 0; + int offset = 0; + + ic = sym->rematiCode; + + DEBUGpic14_emitcode(";","%s %d",__FUNCTION__,__LINE__); + if(IS_OP_POINTER(op)) { + DEBUGpic14_emitcode(";","%s %d IS_OP_POINTER",__FUNCTION__,__LINE__); + } + for (;;) { + if (ic->op == '+') { + val += (int) operandLitValue(IC_RIGHT(ic)); + } else if (ic->op == '-') { + val -= (int) operandLitValue(IC_RIGHT(ic)); + } else + break; - ic = OP_SYMBOL(IC_LEFT(ic))->rematiCode; - } + ic = OP_SYMBOL(IC_LEFT(ic))->rematiCode; + } - if (val) - sprintf(buffer,"(%s %c 0x%04x)", - OP_SYMBOL(IC_LEFT(ic))->rname, - val >= 0 ? '+' : '-', - abs(val) & 0xffff); - else - strcpy(buffer,OP_SYMBOL(IC_LEFT(ic))->rname); + offset = OP_SYMBOL(IC_LEFT(ic))->offset; + aop->aopu.pcop = popGetImmd(OP_SYMBOL(IC_LEFT(ic))->rname,0,val); + PCOI(aop->aopu.pcop)->_const = IS_PTR_CONST(operandType(op)); + PCOI(aop->aopu.pcop)->index = val; - //DEBUGpic14_emitcode(";","%s",buffer); - aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1); - strcpy(aop->aopu.aop_immd,buffer); - return aop; + DEBUGpic14_emitcode(";","%d: rname %s, val %d, const = %d", + __LINE__,OP_SYMBOL(IC_LEFT(ic))->rname, + val, IS_PTR_CONST(operandType(op))); + + // DEBUGpic14_emitcode(";","aop type %s",AopType(AOP_TYPE(IC_LEFT(ic)))); + + allocDirReg (IC_LEFT(ic)); + + return aop; } +int aopIdx (asmop *aop, int offset) +{ + if(!aop) + return -1; + + if(aop->type != AOP_REG) + return -2; + + return aop->aopu.aop_reg[offset]->rIdx; + +} /*-----------------------------------------------------------------*/ /* regsInCommon - two operands have some registers in common */ /*-----------------------------------------------------------------*/ @@ -608,16 +735,21 @@ void aopOp (operand *op, iCode *ic, bool result) if (!op) return ; - DEBUGpic14_emitcode(";","%d",__LINE__); + // DEBUGpic14_emitcode(";","%d",__LINE__); /* if this a literal */ if (IS_OP_LITERAL(op)) { - DEBUGpic14_emitcode(";","%d",__LINE__); op->aop = aop = newAsmop(AOP_LIT); aop->aopu.aop_lit = op->operand.valOperand; aop->size = getSize(operandType(op)); return; } + { + sym_link *type = operandType(op); + if(IS_PTR_CONST(type)) + DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__); + } + /* if already has a asmop then continue */ if (op->aop) return ; @@ -631,9 +763,9 @@ void aopOp (operand *op, iCode *ic, bool result) /* if this is a true symbol */ if (IS_TRUE_SYMOP(op)) { - DEBUGpic14_emitcode(";","%d",__LINE__); - op->aop = aopForSym(ic,OP_SYMBOL(op),result); - return ; + //DEBUGpic14_emitcode(";","%d - true symop",__LINE__); + op->aop = aopForSym(ic,OP_SYMBOL(op),result); + return ; } /* this is a temporary : this has @@ -649,7 +781,6 @@ void aopOp (operand *op, iCode *ic, bool result) /* if the type is a conditional */ if (sym->regType == REG_CND) { - DEBUGpic14_emitcode(";","%d",__LINE__); aop = op->aop = sym->aop = newAsmop(AOP_CRY); aop->size = 0; return; @@ -663,10 +794,11 @@ void aopOp (operand *op, iCode *ic, bool result) DEBUGpic14_emitcode(";","%d",__LINE__); /* rematerialize it NOW */ if (sym->remat) { + sym->aop = op->aop = aop = - aopForRemat (sym); + aopForRemat (op); aop->size = getSize(sym->type); - DEBUGpic14_emitcode(";","%d",__LINE__); + //DEBUGpic14_emitcode(";"," %d: size %d, %s\n",__LINE__,aop->size,aop->aopu.aop_immd); return; } @@ -676,29 +808,57 @@ void aopOp (operand *op, iCode *ic, bool result) aop->size = getSize(sym->type); for ( i = 0 ; i < 2 ; i++ ) aop->aopu.aop_str[i] = accUse[i]; - DEBUGpic14_emitcode(";","%d",__LINE__); + DEBUGpic14_emitcode(";","%d size=%d",__LINE__,aop->size); return; } if (sym->ruonly ) { - unsigned i; - aop = op->aop = sym->aop = newAsmop(AOP_STR); - aop->size = getSize(sym->type); - for ( i = 0 ; i < fReturnSizePic ; i++ ) - aop->aopu.aop_str[i] = fReturn[i]; - DEBUGpic14_emitcode(";","%d",__LINE__); - return; + /* + sym->aop = op->aop = aop = newAsmop(AOP_PCODE); + aop->aopu.pcop = popGetImmd(sym->usl.spillLoc->rname,0,sym->usl.spillLoc->offset); + //allocDirReg (IC_LEFT(ic)); + aop->size = getSize(sym->type); + */ + + unsigned i; + + aop = op->aop = sym->aop = newAsmop(AOP_STR); + aop->size = getSize(sym->type); + for ( i = 0 ; i < fReturnSizePic ; i++ ) + aop->aopu.aop_str[i] = fReturn[i]; + + DEBUGpic14_emitcode(";","%d",__LINE__); + return; } /* else spill location */ - DEBUGpic14_emitcode(";","%s %d %s",__FUNCTION__,__LINE__,sym->usl.spillLoc->rname); - sym->aop = op->aop = aop = - aopForSym(ic,sym->usl.spillLoc,result); + if (sym->usl.spillLoc && getSize(sym->type) != getSize(sym->usl.spillLoc->type)) { + /* force a new aop if sizes differ */ + sym->usl.spillLoc->aop = NULL; + } + DEBUGpic14_emitcode(";","%s %d %s sym->rname = %s, offset %d", + __FUNCTION__,__LINE__, + sym->usl.spillLoc->rname, + sym->rname, sym->usl.spillLoc->offset); + + sym->aop = op->aop = aop = newAsmop(AOP_PCODE); + //aop->aopu.pcop = popGetImmd(sym->usl.spillLoc->rname,0,sym->usl.spillLoc->offset); + aop->aopu.pcop = popRegFromString(sym->usl.spillLoc->rname, + getSize(sym->type), + sym->usl.spillLoc->offset); aop->size = getSize(sym->type); + return; } + { + sym_link *type = operandType(op); + if(IS_PTR_CONST(type)) + DEBUGpic14_emitcode(";","%d aop type is const pointer",__LINE__); + } + /* must be in a register */ + DEBUGpic14_emitcode(";","%d register type nRegs=%d",__LINE__,sym->nRegs); sym->aop = op->aop = aop = newAsmop(AOP_REG); aop->size = sym->nRegs; for ( i = 0 ; i < sym->nRegs ;i++) @@ -727,6 +887,7 @@ void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop) /* depending on the asmop type only three cases need work AOP_RO , AOP_R1 && AOP_STK */ +#if 0 switch (aop->type) { case AOP_R0 : if (_G.r0Pushed ) { @@ -793,6 +954,7 @@ void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop) } } } +#endif dealloc: /* all other cases just dealloc */ @@ -885,7 +1047,6 @@ char *aopGet (asmop *aop, int offset, bool bit16, bool dname) case AOP_IMMD: - DEBUGpic14_emitcode(";","%d",__LINE__); if (bit16) sprintf (s,"%s",aop->aopu.aop_immd); else @@ -896,59 +1057,68 @@ char *aopGet (asmop *aop, int offset, bool bit16, bool dname) else sprintf(s,"%s", aop->aopu.aop_immd); + DEBUGpic14_emitcode(";","%d immd %s",__LINE__,s); rs = Safe_calloc(1,strlen(s)+1); strcpy(rs,s); return rs; case AOP_DIR: - if (offset) - sprintf(s,"(%s + %d)", - aop->aopu.aop_dir, - offset); - else + if (offset) { + sprintf(s,"(%s + %d)", + aop->aopu.aop_dir, + offset); + DEBUGpic14_emitcode(";","oops AOP_DIR did this %s\n",s); + } else sprintf(s,"%s",aop->aopu.aop_dir); rs = Safe_calloc(1,strlen(s)+1); strcpy(rs,s); return rs; case AOP_REG: - DEBUGpic14_emitcode(";","%d",__LINE__); - if (dname) - return aop->aopu.aop_reg[offset]->dname; - else + //if (dname) + // return aop->aopu.aop_reg[offset]->dname; + //else return aop->aopu.aop_reg[offset]->name; case AOP_CRY: - pic14_emitcode(";","%d",__LINE__); - //pic14_emitcode("clr","a"); - //pic14_emitcode("mov","c,%s",aop->aopu.aop_dir); - //pic14_emitcode("rlc","a") ; - //return (dname ? "acc" : "a"); + //pic14_emitcode(";","%d",__LINE__); return aop->aopu.aop_dir; case AOP_ACC: DEBUGpic14_emitcode(";Warning -pic port ignoring get(AOP_ACC)","%d",__LINE__); - //if (!offset && dname) - // return "acc"; - //return aop->aopu.aop_str[offset]; return "AOP_accumulator_bug"; case AOP_LIT: - DEBUGpic14_emitcode(";","%d",__LINE__); sprintf(s,"0x%02x", pic14aopLiteral (aop->aopu.aop_lit,offset)); rs = Safe_calloc(1,strlen(s)+1); strcpy(rs,s); return rs; case AOP_STR: - DEBUGpic14_emitcode(";","%d",__LINE__); aop->coff = offset ; if (strcmp(aop->aopu.aop_str[offset],"a") == 0 && dname) return "acc"; + DEBUGpic14_emitcode(";","%d - %s",__LINE__, aop->aopu.aop_str[offset]); return aop->aopu.aop_str[offset]; + case AOP_PCODE: + { + pCodeOp *pcop = aop->aopu.pcop; + DEBUGpic14_emitcode(";","%d: aopGet AOP_PCODE type %s",__LINE__,pCodeOpType(pcop)); + if(pcop->name) { + DEBUGpic14_emitcode(";","%s offset %d",pcop->name,PCOI(pcop)->offset); + //sprintf(s,"(%s+0x%02x)", pcop->name,PCOI(aop->aopu.pcop)->offset); + sprintf(s,"%s", pcop->name); + } else + sprintf(s,"0x%02x", PCOI(aop->aopu.pcop)->offset); + + } + rs = Safe_calloc(1,strlen(s)+1); + strcpy(rs,s); + return rs; + } werror(E_INTERNAL_ERROR,__FILE__,__LINE__, @@ -956,12 +1126,46 @@ char *aopGet (asmop *aop, int offset, bool bit16, bool dname) exit(0); } + +/*-----------------------------------------------------------------*/ +/* popGetTempReg - create a new temporary pCodeOp */ +/*-----------------------------------------------------------------*/ +pCodeOp *popGetTempReg(void) +{ + + pCodeOp *pcop; + + pcop = newpCodeOp(NULL, PO_GPR_TEMP); + if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r) { + PCOR(pcop)->r->wasUsed=1; + PCOR(pcop)->r->isFree=0; + } + + return pcop; +} + +/*-----------------------------------------------------------------*/ +/* popGetTempReg - create a new temporary pCodeOp */ +/*-----------------------------------------------------------------*/ +void popReleaseTempReg(pCodeOp *pcop) +{ + + if(pcop && pcop->type == PO_GPR_TEMP && PCOR(pcop)->r) + PCOR(pcop)->r->isFree = 1; + +} /*-----------------------------------------------------------------*/ /* popGetLabel - create a new pCodeOp of type PO_LABEL */ /*-----------------------------------------------------------------*/ pCodeOp *popGetLabel(unsigned int key) { - return newpCodeOpLabel(key+100+labelOffset); + + DEBUGpic14_emitcode ("; ***","%s key=%d, label offset %d",__FUNCTION__,key, labelOffset); + + if(key>max_key) + max_key = key; + + return newpCodeOpLabel(NULL,key+100+labelOffset); } /*-----------------------------------------------------------------*/ @@ -973,40 +1177,37 @@ pCodeOp *popCopyReg(pCodeOpReg *pc) pcor = Safe_calloc(1,sizeof(pCodeOpReg) ); pcor->pcop.type = pc->pcop.type; - if(!(pcor->pcop.name = strdup(pc->pcop.name))) - fprintf(stderr,"oops %s %d",__FILE__,__LINE__); + if(pc->pcop.name) { + if(!(pcor->pcop.name = Safe_strdup(pc->pcop.name))) + fprintf(stderr,"oops %s %d",__FILE__,__LINE__); + } else + pcor->pcop.name = NULL; + pcor->r = pc->r; pcor->rIdx = pc->rIdx; + pcor->r->wasUsed=1; + //DEBUGpic14_emitcode ("; ***","%s , copying %s, rIdx=%d",__FUNCTION__,pc->pcop.name,pc->rIdx); return PCOP(pcor); } - /*-----------------------------------------------------------------*/ -/* popCopy - copy a pcode operator */ +/* popGet - asm operator to pcode operator conversion */ /*-----------------------------------------------------------------*/ -pCodeOp *popCopyGPR2Bit(pCodeOpReg *pc, int bitval) +pCodeOp *popGetLit(unsigned int lit) { - pCodeOp *pcop; - - pcop = Safe_calloc(1,sizeof(pCodeOpBit) ); - pcop->type = PO_BIT; - if(!(pcop->name = strdup(pc->pcop.name))) - fprintf(stderr,"oops %s %d",__FILE__,__LINE__); - ((pCodeOpBit *)pcop)->bit = bitval; - ((pCodeOpBit *)pcop)->inBitSpace = 0; //(pc->type == PO_BIT) ? 1 : 0; - - return pcop; + return newpCodeOpLit(lit); } + /*-----------------------------------------------------------------*/ -/* popGet - asm operator to pcode operator conversion */ +/* popGetImmd - asm operator to pcode immediate conversion */ /*-----------------------------------------------------------------*/ -pCodeOp *popGetLit(unsigned int lit) +pCodeOp *popGetImmd(char *name, unsigned int offset, int index) { - return newpCodeOpLit(lit); + return newpCodeOpImmd(name, offset,index, 0); } @@ -1028,28 +1229,64 @@ pCodeOp *popGetWithString(char *str) return pcop; } -pCodeOp *popRegFromString(char *str) +/*-----------------------------------------------------------------*/ +/* popRegFromString - */ +/*-----------------------------------------------------------------*/ +pCodeOp *popRegFromString(char *str, int size, int offset) { pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); - pcop->type = PO_GPR_REGISTER; - - PCOR(pcop)->rIdx = -1; - PCOR(pcop)->r = NULL; + pcop->type = PO_DIR; DEBUGpic14_emitcode(";","%d",__LINE__); - pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING")); + + if(!str) + str = "BAD_STRING"; + + pcop->name = Safe_calloc(1,strlen(str)+1); + strcpy(pcop->name,str); + + //pcop->name = Safe_strdup( ( (str) ? str : "BAD STRING")); + + PCOR(pcop)->r = dirregWithName(pcop->name); + if(PCOR(pcop)->r == NULL) { + //fprintf(stderr,"%d - couldn't find %s in allocated registers, size =%d\n",__LINE__,aop->aopu.aop_dir,aop->size); + PCOR(pcop)->r = allocRegByName (pcop->name,size); + DEBUGpic14_emitcode(";","%d %s offset=%d - had to alloc by reg name",__LINE__,pcop->name,offset); + } else { + DEBUGpic14_emitcode(";","%d %s offset=%d",__LINE__,pcop->name,offset); + } + PCOR(pcop)->instance = offset; return pcop; } +pCodeOp *popRegFromIdx(int rIdx) +{ + pCodeOp *pcop; + + DEBUGpic14_emitcode ("; ***","%s,%d , rIdx=0x%x", + __FUNCTION__,__LINE__,rIdx); + + pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); + + PCOR(pcop)->rIdx = rIdx; + PCOR(pcop)->r = pic14_regWithIdx(rIdx); + PCOR(pcop)->r->isFree = 0; + PCOR(pcop)->r->wasUsed = 1; + + pcop->type = PCOR(pcop)->r->pc_type; + + + return pcop; +} /*-----------------------------------------------------------------*/ /* popGet - asm operator to pcode operator conversion */ /*-----------------------------------------------------------------*/ -pCodeOp *popGet (asmop *aop, int offset, bool bit16, bool dname) +pCodeOp *popGet (asmop *aop, int offset) //, bool bit16, bool dname) { - char *s = buffer ; - char *rs; + //char *s = buffer ; + //char *rs; pCodeOp *pcop; @@ -1069,39 +1306,20 @@ pCodeOp *popGet (asmop *aop, int offset, bool bit16, bool dname) case AOP_DPTR: case AOP_DPTR2: case AOP_ACC: - DEBUGpic14_emitcode(";8051 legacy","%d",__LINE__); - pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); - pcop->type = PO_SFR_REGISTER; - - PCOR(pcop)->rIdx = -1; - PCOR(pcop)->r = NULL; - // Really nasty hack to check for temporary registers - - pcop->name = Safe_strdup("BAD_REGISTER"); - - return pcop; + DEBUGpic14_emitcode(";8051 legacy","%d type = %s",__LINE__,AopType(aop->type)); + return NULL; case AOP_IMMD: DEBUGpic14_emitcode(";","%d",__LINE__); - pcop = Safe_calloc(1,sizeof(pCodeOp) ); - pcop->type = PO_IMMEDIATE; - if (bit16) - sprintf (s,"%s",aop->aopu.aop_immd); - else - if (offset) - sprintf(s,"(%s >> %d)", - aop->aopu.aop_immd, - offset*8); - else - sprintf(s,"%s", - aop->aopu.aop_immd); - pcop->name = Safe_calloc(1,strlen(s)+1); - strcpy(pcop->name,s); - return pcop; - + return popGetImmd(aop->aopu.aop_immd,offset,0); + case AOP_DIR: - pcop = Safe_calloc(1,sizeof(pCodeOp) ); + return popRegFromString(aop->aopu.aop_dir, aop->size, offset); +#if 0 + pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); pcop->type = PO_DIR; + + /* if (offset) sprintf(s,"(%s + %d)", aop->aopu.aop_dir, @@ -1110,52 +1328,69 @@ pCodeOp *popGet (asmop *aop, int offset, bool bit16, bool dname) sprintf(s,"%s",aop->aopu.aop_dir); pcop->name = Safe_calloc(1,strlen(s)+1); strcpy(pcop->name,s); + */ + pcop->name = Safe_calloc(1,strlen(aop->aopu.aop_dir)+1); + strcpy(pcop->name,aop->aopu.aop_dir); + PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir); + if(PCOR(pcop)->r == NULL) { + //fprintf(stderr,"%d - couldn't find %s in allocated registers, size =%d\n",__LINE__,aop->aopu.aop_dir,aop->size); + PCOR(pcop)->r = allocRegByName (aop->aopu.aop_dir,aop->size); + DEBUGpic14_emitcode(";","%d %s offset=%d - had to alloc by reg name",__LINE__,pcop->name,offset); + } else { + DEBUGpic14_emitcode(";","%d %s offset=%d",__LINE__,pcop->name,offset); + } + PCOR(pcop)->instance = offset; + return pcop; +#endif case AOP_REG: { int rIdx = aop->aopu.aop_reg[offset]->rIdx; - DEBUGpic14_emitcode(";","%d",__LINE__); pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); - pcop->type = PO_GPR_REGISTER; PCOR(pcop)->rIdx = rIdx; PCOR(pcop)->r = pic14_regWithIdx(rIdx); - pcop->type = PCOR(pcop)->r->pc_type; - - if (dname) - rs = aop->aopu.aop_reg[offset]->dname; - else - rs = aop->aopu.aop_reg[offset]->name; - - DEBUGpic14_emitcode(";","%d %s",__LINE__,rs); + PCOR(pcop)->r->wasUsed=1; + PCOR(pcop)->r->isFree=0; + PCOR(pcop)->instance = offset; + pcop->type = PCOR(pcop)->r->pc_type; + //rs = aop->aopu.aop_reg[offset]->name; + //DEBUGpic14_emitcode(";","%d regiser idx = %d name =%s",__LINE__,rIdx,rs); return pcop; } case AOP_CRY: - pcop = newpCodeOpBit(aop->aopu.aop_dir,0); + pcop = newpCodeOpBit(aop->aopu.aop_dir,-1,1); + PCOR(pcop)->r = dirregWithName(aop->aopu.aop_dir); + //if(PCOR(pcop)->r == NULL) + //fprintf(stderr,"%d - couldn't find %s in allocated registers\n",__LINE__,aop->aopu.aop_dir); return pcop; case AOP_LIT: - DEBUGpic14_emitcode(";","%d",__LINE__); return newpCodeOpLit(pic14aopLiteral (aop->aopu.aop_lit,offset)); case AOP_STR: - DEBUGpic14_emitcode(";","%d",__LINE__); + DEBUGpic14_emitcode(";","%d %s",__LINE__,aop->aopu.aop_str[offset]); + return newpCodeOpRegFromStr(aop->aopu.aop_str[offset]); + /* + pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); + PCOR(pcop)->r = allocRegByName(aop->aopu.aop_str[offset]); + PCOR(pcop)->rIdx = PCOR(pcop)->r->rIdx; + pcop->type = PCOR(pcop)->r->pc_type; + pcop->name = PCOR(pcop)->r->name; - pcop = Safe_calloc(1,sizeof(pCodeOp) ); - pcop->type = PO_STR; + return pcop; + */ - //aop->coff = offset ; - if (strcmp(aop->aopu.aop_str[offset],"a") == 0 && dname) - sprintf(s,"%s","acc"); - else - sprintf(s,"%s",aop->aopu.aop_str[offset]); - pcop->name = Safe_calloc(1,strlen(s)+1); - strcpy(pcop->name,s); - return pcop; - + case AOP_PCODE: + DEBUGpic14_emitcode(";","popGet AOP_PCODE (%s) %d %s",pCodeOpType(aop->aopu.pcop), + __LINE__, + ((aop->aopu.pcop->name)? (aop->aopu.pcop->name) : "no name")); + pcop = pCodeOpCopy(aop->aopu.pcop); + PCOI(pcop)->offset = offset; + return pcop; } werror(E_INTERNAL_ERROR,__FILE__,__LINE__, @@ -1182,10 +1417,12 @@ void aopPut (asmop *aop, char *s, int offset) /* depending on where it is ofcourse */ switch (aop->type) { case AOP_DIR: - if (offset) - sprintf(d,"(%s + %d)", - aop->aopu.aop_dir,offset); - else + if (offset) { + sprintf(d,"(%s + %d)", + aop->aopu.aop_dir,offset); + fprintf(stderr,"oops aopPut:AOP_DIR did this %s\n",s); + + } else sprintf(d,"%s",aop->aopu.aop_dir); if (strcmp(d,s)) { @@ -1194,17 +1431,24 @@ void aopPut (asmop *aop, char *s, int offset) pic14_emitcode("movf","%s,w",s); pic14_emitcode("movwf","%s",d); - if(strcmp(s,"W")) - pic14_emitcode(";BUG! should have this:movf","%s,w %d",s,__LINE__); - emitpcode(POC_MOVWF,popGet(aop,offset,FALSE,FALSE)); + if(strcmp(s,"W")) { + pic14_emitcode(";BUG!? should have this:movf","%s,w %d",s,__LINE__); + if(offset >= aop->size) { + emitpcode(POC_CLRF,popGet(aop,offset)); + break; + } else + emitpcode(POC_MOVLW,popGetImmd(s,offset,0)); + } + + emitpcode(POC_MOVWF,popGet(aop,offset)); } break; case AOP_REG: - if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0 && - strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){ + if (strcmp(aop->aopu.aop_reg[offset]->name,s) != 0) { // && + //strcmp(aop->aopu.aop_reg[offset]->dname,s)!= 0){ /* if (*s == '@' || strcmp(s,"r0") == 0 || @@ -1220,13 +1464,16 @@ void aopPut (asmop *aop, char *s, int offset) else */ - if(strcmp(s,"W")) + if(strcmp(s,"W")==0 ) pic14_emitcode("movf","%s,w ; %d",s,__LINE__); pic14_emitcode("movwf","%s", aop->aopu.aop_reg[offset]->name); - if(strcmp(s,"W")) { + if(strcmp(s,zero)==0) { + emitpcode(POC_CLRF,popGet(aop,offset)); + + } else if(strcmp(s,"W")==0) { pCodeOp *pcop = Safe_calloc(1,sizeof(pCodeOpReg) ); pcop->type = PO_GPR_REGISTER; @@ -1236,9 +1483,13 @@ void aopPut (asmop *aop, char *s, int offset) DEBUGpic14_emitcode(";","%d",__LINE__); pcop->name = Safe_strdup(s); emitpcode(POC_MOVFW,pcop); + emitpcode(POC_MOVWF,popGet(aop,offset)); + } else if(strcmp(s,one)==0) { + emitpcode(POC_CLRF,popGet(aop,offset)); + emitpcode(POC_INCF,popGet(aop,offset)); + } else { + emitpcode(POC_MOVWF,popGet(aop,offset)); } - emitpcode(POC_MOVWF,popGet(aop,offset,FALSE,FALSE)); - } break; @@ -1377,6 +1628,25 @@ void aopPut (asmop *aop, char *s, int offset) } +/*-----------------------------------------------------------------*/ +/* mov2w - generate either a MOVLW or MOVFW based operand type */ +/*-----------------------------------------------------------------*/ +void mov2w (asmop *aop, int offset) +{ + + if(!aop) + return; + + DEBUGpic14_emitcode ("; ***","%s %d offset=%d",__FUNCTION__,__LINE__,offset); + + if ( aop->type == AOP_PCODE || + aop->type == AOP_LIT ) + emitpcode(POC_MOVLW,popGet(aop,offset)); + else + emitpcode(POC_MOVFW,popGet(aop,offset)); + +} + /*-----------------------------------------------------------------*/ /* reAdjustPreg - points a register back to where it should */ /*-----------------------------------------------------------------*/ @@ -1509,18 +1779,21 @@ int pic14_getDataSize(operand *op) /*-----------------------------------------------------------------*/ void pic14_outAcc(operand *result) { - int size, offset; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - size = pic14_getDataSize(result); - if(size){ - aopPut(AOP(result),"a",0); - size--; - offset = 1; - /* unsigned or positive */ - while(size--){ - aopPut(AOP(result),zero,offset++); - } - } + int size,offset; + DEBUGpic14_emitcode ("; ***","%s %d - ",__FUNCTION__,__LINE__); + DEBUGpic14_AopType(__LINE__,NULL,NULL,result); + + + size = pic14_getDataSize(result); + if(size){ + emitpcode(POC_MOVWF,popGet(AOP(result),0)); + size--; + offset = 1; + /* unsigned or positive */ + while(size--) + emitpcode(POC_CLRF,popGet(AOP(result),offset++)); + } + } /*-----------------------------------------------------------------*/ @@ -1551,12 +1824,10 @@ void pic14_toBoolean(operand *oper) DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); if ( AOP_TYPE(oper) != AOP_ACC) { - emitpcode(POC_MOVFW,popGet(AOP(oper),0,FALSE,FALSE)); - pic14_emitcode("movf","%s,w",aopGet(AOP(oper),0,FALSE,FALSE)); + emitpcode(POC_MOVFW,popGet(AOP(oper),0)); } while (size--) { - pic14_emitcode("iorwf","%s,w",aopGet(AOP(oper),offset,FALSE,FALSE)); - emitpcode(POC_IORFW, popGet(AOP(oper),offset++,FALSE,FALSE)); + emitpcode(POC_IORFW, popGet(AOP(oper),offset++)); } } @@ -1566,40 +1837,53 @@ void pic14_toBoolean(operand *oper) /*-----------------------------------------------------------------*/ static void genNot (iCode *ic) { - symbol *tlbl; - sym_link *optype = operandType(IC_LEFT(ic)); - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* assign asmOps to operand & result */ - aopOp (IC_LEFT(ic),ic,FALSE); - aopOp (IC_RESULT(ic),ic,TRUE); + symbol *tlbl; + sym_link *optype = operandType(IC_LEFT(ic)); + int size; - /* if in bit space then a special case */ - if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) { - pic14_emitcode("movlw","1<<%s"); - //pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir); - //pic14_emitcode("cpl","c"); - //pic14_outBitC(IC_RESULT(ic)); - goto release; + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* assign asmOps to operand & result */ + aopOp (IC_LEFT(ic),ic,FALSE); + aopOp (IC_RESULT(ic),ic,TRUE); + + DEBUGpic14_AopType(__LINE__,IC_LEFT(ic),NULL,IC_RESULT(ic)); + /* if in bit space then a special case */ + if (AOP_TYPE(IC_LEFT(ic)) == AOP_CRY) { + if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY) { + emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(ic)),0)); + emitpcode(POC_XORWF,popGet(AOP(IC_RESULT(ic)),0)); + } else { + emitpcode(POC_CLRF,popGet(AOP(IC_RESULT(ic)),0)); + emitpcode(POC_BTFSS,popGet(AOP(IC_LEFT(ic)),0)); + emitpcode(POC_INCF,popGet(AOP(IC_RESULT(ic)),0)); } + goto release; + } - /* if type float then do float */ - if (IS_FLOAT(optype)) { - genNotFloat(IC_LEFT(ic),IC_RESULT(ic)); - goto release; - } + /* if type float then do float */ + if (IS_FLOAT(optype)) { + genNotFloat(IC_LEFT(ic),IC_RESULT(ic)); + goto release; + } - pic14_toBoolean(IC_LEFT(ic)); + size = AOP_SIZE(IC_RESULT(ic)); + if(size == 1) { + emitpcode(POC_COMFW,popGet(AOP(IC_LEFT(ic)),0)); + emitpcode(POC_ANDLW,popGetLit(1)); + emitpcode(POC_MOVWF,popGet(AOP(IC_RESULT(ic)),0)); + goto release; + } + pic14_toBoolean(IC_LEFT(ic)); - tlbl = newiTempLabel(NULL); - pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_outBitC(IC_RESULT(ic)); + tlbl = newiTempLabel(NULL); + pic14_emitcode("cjne","a,#0x01,%05d_DS_",tlbl->key+100); + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + pic14_outBitC(IC_RESULT(ic)); -release: - /* release the aops */ - freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1)); - freeAsmop(IC_RESULT(ic),NULL,ic,TRUE); + release: + /* release the aops */ + freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1)); + freeAsmop(IC_RESULT(ic),NULL,ic,TRUE); } @@ -1675,64 +1959,58 @@ static void genUminusFloat(operand *op,operand *result) /*-----------------------------------------------------------------*/ static void genUminus (iCode *ic) { - int offset ,size ; - sym_link *optype, *rtype; + int size, i; + sym_link *optype, *rtype; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* assign asmops */ - aopOp(IC_LEFT(ic),ic,FALSE); - aopOp(IC_RESULT(ic),ic,TRUE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* assign asmops */ + aopOp(IC_LEFT(ic),ic,FALSE); + aopOp(IC_RESULT(ic),ic,TRUE); - /* if both in bit space then special - case */ - if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY && - AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) { + /* if both in bit space then special + case */ + if (AOP_TYPE(IC_RESULT(ic)) == AOP_CRY && + AOP_TYPE(IC_LEFT(ic)) == AOP_CRY ) { - pic14_emitcode("mov","c,%s",IC_LEFT(ic)->aop->aopu.aop_dir); - pic14_emitcode("cpl","c"); - pic14_emitcode("mov","%s,c",IC_RESULT(ic)->aop->aopu.aop_dir); - goto release; - } + emitpcode(POC_BCF, popGet(AOP(IC_RESULT(ic)),0)); + emitpcode(POC_BTFSS, popGet(AOP(IC_LEFT(ic)),0)); + emitpcode(POC_BSF, popGet(AOP(IC_RESULT(ic)),0)); - optype = operandType(IC_LEFT(ic)); - rtype = operandType(IC_RESULT(ic)); + goto release; + } - /* if float then do float stuff */ - if (IS_FLOAT(optype)) { - genUminusFloat(IC_LEFT(ic),IC_RESULT(ic)); - goto release; - } + optype = operandType(IC_LEFT(ic)); + rtype = operandType(IC_RESULT(ic)); - /* otherwise subtract from zero */ - size = AOP_SIZE(IC_LEFT(ic)); - offset = 0 ; - CLRC ; - while(size--) { - char *l = aopGet(AOP(IC_LEFT(ic)),offset,FALSE,FALSE); - if (!strcmp(l,"a")) { - pic14_emitcode("cpl","a"); - pic14_emitcode("inc","a"); - } else { - pic14_emitcode("clr","a"); - pic14_emitcode("subb","a,%s",l); - } - aopPut(AOP(IC_RESULT(ic)),"a",offset++); + /* if float then do float stuff */ + if (IS_FLOAT(optype)) { + genUminusFloat(IC_LEFT(ic),IC_RESULT(ic)); + goto release; + } + + /* otherwise subtract from zero by taking the 2's complement */ + size = AOP_SIZE(IC_LEFT(ic)); + + for(i=0; iregsSaved || (OP_SYMBOL(IC_LEFT(ic))->calleeSave)) + if (ic->regsSaved || IFFUNC_CALLEESAVES(OP_SYMBOL(IC_LEFT(ic))->type)) return ; /* find the registers in use at this time @@ -1784,19 +2062,19 @@ static void saveRegisters(iCode *lic) pic14_emitcode("mov","%s,r0",spname); if (bitVectBitValue(rsave,R0_IDX)) pic14_emitcode("mov","r0,b"); - } else - for (i = 0 ; i < pic14_nRegs ; i++) { - if (bitVectBitValue(rsave,i)) - pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname); - } - - detype = getSpec(operandType(IC_LEFT(ic))); - if (detype && - (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)) && - IS_ISR(currFunc->etype) && + }// else + //for (i = 0 ; i < pic14_nRegs ; i++) { + // if (bitVectBitValue(rsave,i)) + // pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname); + //} + + dtype = operandType(IC_LEFT(ic)); + if (currFunc && dtype && + (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) && + IFFUNC_ISISR(currFunc->type) && !ic->bankSaved) - saverbank(SPEC_BANK(detype),ic,TRUE); + saverbank(FUNC_REGBANK(dtype),ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -1829,11 +2107,11 @@ static void unsaveRegisters (iCode *ic) pic14_emitcode("mov","%s,r0",spname); if (bitVectBitValue(rsave,R0_IDX)) pic14_emitcode("mov","r0,b"); - } else - for (i = pic14_nRegs ; i >= 0 ; i--) { - if (bitVectBitValue(rsave,i)) - pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname); - } + } //else + //for (i = pic14_nRegs ; i >= 0 ; i--) { + // if (bitVectBitValue(rsave,i)) + // pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname); + //} } @@ -1843,6 +2121,7 @@ static void unsaveRegisters (iCode *ic) /*-----------------------------------------------------------------*/ static void pushSide(operand * oper, int size) { +#if 0 int offset = 0; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); while (size--) { @@ -1855,6 +2134,7 @@ static void pushSide(operand * oper, int size) } else pic14_emitcode("push","%s",l); } +#endif } /*-----------------------------------------------------------------*/ @@ -1862,68 +2142,39 @@ static void pushSide(operand * oper, int size) /*-----------------------------------------------------------------*/ static void assignResultValue(operand * oper) { - int offset = 0; - int size = AOP_SIZE(oper); + int size = AOP_SIZE(oper); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - // The last byte in the assignment is in W - aopPut(AOP(oper),"W",size-1); + DEBUGpic14_AopType(__LINE__,oper,NULL,NULL); - if(size>1) { - while (--size) { - aopPut(AOP(oper),fReturn[offset],offset); - offset++; + if(!GpsuedoStkPtr) { + /* The last byte in the assignment is in W */ + size--; + emitpcode(POC_MOVWF, popGet(AOP(oper),size)); + GpsuedoStkPtr++; + } - } - } + while (size--) { + emitpcode(POC_MOVFW,popRegFromIdx(GpsuedoStkPtr-1 + Gstack_base_addr)); + GpsuedoStkPtr++; + emitpcode(POC_MOVWF, popGet(AOP(oper),size)); + } } -/*-----------------------------------------------------------------*/ -/* genXpush - pushes onto the external stack */ -/*-----------------------------------------------------------------*/ -static void genXpush (iCode *ic) -{ - asmop *aop = newAsmop(0); - regs *r ; - int size,offset = 0; - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(IC_LEFT(ic),ic,FALSE); - r = getFreePtr(ic,&aop,FALSE); - - - pic14_emitcode("mov","%s,_spx",r->name); - - size = AOP_SIZE(IC_LEFT(ic)); - while(size--) { - - char *l = aopGet(AOP(IC_LEFT(ic)), - offset++,FALSE,FALSE); - MOVA(l); - pic14_emitcode("movx","@%s,a",r->name); - pic14_emitcode("inc","%s",r->name); - - } - - - pic14_emitcode("mov","_spx,%s",r->name); - - freeAsmop(NULL,aop,ic,TRUE); - freeAsmop(IC_LEFT(ic),NULL,ic,TRUE); -} - /*-----------------------------------------------------------------*/ /* genIpush - genrate code for pushing this gets a little complex */ /*-----------------------------------------------------------------*/ static void genIpush (iCode *ic) { + + DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__); +#if 0 int size, offset = 0 ; char *l; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); /* if this is not a parm push : ie. it is spill push and spill push is always done on the local stack */ if (!ic->parmPush) { @@ -1951,13 +2202,6 @@ static void genIpush (iCode *ic) registers that need to be saved */ saveRegisters(ic); - /* if use external stack then call the external - stack pushing routine */ - if (options.useXstack) { - genXpush(ic); - return ; - } - /* then do the push */ aopOp(IC_LEFT(ic),ic,FALSE); @@ -1977,6 +2221,7 @@ static void genIpush (iCode *ic) } freeAsmop(IC_LEFT(ic),NULL,ic,TRUE); +#endif } /*-----------------------------------------------------------------*/ @@ -1984,10 +2229,11 @@ static void genIpush (iCode *ic) /*-----------------------------------------------------------------*/ static void genIpop (iCode *ic) { + DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__); +#if 0 int size,offset ; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); /* if the temp was not pushed then */ if (OP_SYMBOL(IC_LEFT(ic))->isspilt) return ; @@ -2000,6 +2246,7 @@ static void genIpop (iCode *ic) FALSE,TRUE)); freeAsmop(IC_LEFT(ic),NULL,ic,TRUE); +#endif } /*-----------------------------------------------------------------*/ @@ -2007,6 +2254,8 @@ static void genIpop (iCode *ic) /*-----------------------------------------------------------------*/ static void unsaverbank (int bank,iCode *ic,bool popPsw) { + DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__); +#if 0 int i; asmop *aop ; regs *r = NULL; @@ -2044,7 +2293,8 @@ static void unsaverbank (int bank,iCode *ic,bool popPsw) pic14_emitcode("mov","_spx,%s",r->name); freeAsmop(NULL,aop,ic,TRUE); - } + } +#endif } /*-----------------------------------------------------------------*/ @@ -2052,6 +2302,8 @@ static void unsaverbank (int bank,iCode *ic,bool popPsw) /*-----------------------------------------------------------------*/ static void saverbank (int bank, iCode *ic, bool pushPsw) { + DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__); +#if 0 int i; asmop *aop ; regs *r = NULL; @@ -2090,7 +2342,7 @@ static void saverbank (int bank, iCode *ic, bool pushPsw) pic14_emitcode("mov","psw,#0x%02x",(bank << 3)&0x00ff); } ic->bankSaved = 1; - +#endif } /*-----------------------------------------------------------------*/ @@ -2098,105 +2350,129 @@ static void saverbank (int bank, iCode *ic, bool pushPsw) /*-----------------------------------------------------------------*/ static void genCall (iCode *ic) { - sym_link *detype; + sym_link *dtype; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if caller saves & we have not saved then */ - if (!ic->regsSaved) - saveRegisters(ic); + /* if caller saves & we have not saved then */ + if (!ic->regsSaved) + saveRegisters(ic); - /* if we are calling a function that is not using - the same register bank then we need to save the - destination registers on the stack */ - detype = getSpec(operandType(IC_LEFT(ic))); - if (detype && - (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype)) && - IS_ISR(currFunc->etype) && - !ic->bankSaved) + /* if we are calling a function that is not using + the same register bank then we need to save the + destination registers on the stack */ + dtype = operandType(IC_LEFT(ic)); + if (currFunc && dtype && + (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype)) && + IFFUNC_ISISR(currFunc->type) && + !ic->bankSaved) - saverbank(SPEC_BANK(detype),ic,TRUE); + saverbank(FUNC_REGBANK(dtype),ic,TRUE); - /* if send set is not empty the assign */ - if (_G.sendSet) { - iCode *sic ; + /* if send set is not empty the assign */ + if (_G.sendSet) { + iCode *sic; + /* For the Pic port, there is no data stack. + * So parameters passed to functions are stored + * in registers. (The pCode optimizer will get + * rid of most of these :). + */ + int psuedoStkPtr=-1; + int firstTimeThruLoop = 1; - for (sic = setFirstItem(_G.sendSet) ; sic ; - sic = setNextItem(_G.sendSet)) { - int size, offset = 0; + _G.sendSet = reverseSet(_G.sendSet); - aopOp(IC_LEFT(sic),sic,FALSE); - size = AOP_SIZE(IC_LEFT(sic)); - while (size--) { - char *l = aopGet(AOP(IC_LEFT(sic)),offset, - FALSE,FALSE); - DEBUGpic14_emitcode(";","%d - left type %d",__LINE__,AOP(IC_LEFT(sic))->type); + /* First figure how many parameters are getting passed */ + for (sic = setFirstItem(_G.sendSet) ; sic ; + sic = setNextItem(_G.sendSet)) { - if (strcmp(l,fReturn[offset])) { + aopOp(IC_LEFT(sic),sic,FALSE); + psuedoStkPtr += AOP_SIZE(IC_LEFT(sic)); + freeAsmop (IC_LEFT(sic),NULL,sic,FALSE); + } - if ( ((AOP(IC_LEFT(sic))->type) == AOP_IMMD) || - ((AOP(IC_LEFT(sic))->type) == AOP_LIT) ) - emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(sic)),size,FALSE,FALSE)); - //pic14_emitcode("movlw","%s",l); - else - emitpcode(POC_MOVFW,popGet(AOP(IC_LEFT(sic)),size,FALSE,FALSE)); - //pic14_emitcode("movf","%s,w",l); + for (sic = setFirstItem(_G.sendSet) ; sic ; + sic = setNextItem(_G.sendSet)) { + int size, offset = 0; - // The last one is passed in W - if(size) - pic14_emitcode("movwf","%s",fReturn[offset]); - } - offset++; - } - freeAsmop (IC_LEFT(sic),NULL,sic,TRUE); - } - _G.sendSet = NULL; - } - /* make the call */ - emitpcode(POC_CALL,popGetWithString(OP_SYMBOL(IC_LEFT(ic))->rname[0] ? - OP_SYMBOL(IC_LEFT(ic))->rname : - OP_SYMBOL(IC_LEFT(ic))->name)); + aopOp(IC_LEFT(sic),sic,FALSE); + size = AOP_SIZE(IC_LEFT(sic)); - pic14_emitcode("call","%s",(OP_SYMBOL(IC_LEFT(ic))->rname[0] ? - OP_SYMBOL(IC_LEFT(ic))->rname : - OP_SYMBOL(IC_LEFT(ic))->name)); + while (size--) { + DEBUGpic14_emitcode ("; ","%d left %s",__LINE__, + AopType(AOP_TYPE(IC_LEFT(sic)))); - /* if we need assign a result value */ - if ((IS_ITEMP(IC_RESULT(ic)) && - (OP_SYMBOL(IC_RESULT(ic))->nRegs || - OP_SYMBOL(IC_RESULT(ic))->spildir )) || - IS_TRUE_SYMOP(IC_RESULT(ic)) ) { + if(!firstTimeThruLoop) { + /* If this is not the first time we've been through the loop + * then we need to save the parameter in a temporary + * register. The last byte of the last parameter is + * passed in W. */ + emitpcode(POC_MOVWF,popRegFromIdx(--psuedoStkPtr + Gstack_base_addr)); - _G.accInUse++; - aopOp(IC_RESULT(ic),ic,FALSE); - _G.accInUse--; + } + firstTimeThruLoop=0; - assignResultValue(IC_RESULT(ic)); - - freeAsmop(IC_RESULT(ic),NULL, ic,TRUE); + //if (strcmp(l,fReturn[offset])) { + mov2w (AOP(IC_LEFT(sic)), offset); +/* + if ( ((AOP(IC_LEFT(sic))->type) == AOP_PCODE) || + ((AOP(IC_LEFT(sic))->type) == AOP_LIT) ) + emitpcode(POC_MOVLW,popGet(AOP(IC_LEFT(sic)),offset)); + else + emitpcode(POC_MOVFW,popGet(AOP(IC_LEFT(sic)),offset)); +*/ + //} + offset++; + } + freeAsmop (IC_LEFT(sic),NULL,sic,TRUE); } + _G.sendSet = NULL; + } + /* make the call */ + emitpcode(POC_CALL,popGetWithString(OP_SYMBOL(IC_LEFT(ic))->rname[0] ? + OP_SYMBOL(IC_LEFT(ic))->rname : + OP_SYMBOL(IC_LEFT(ic))->name)); + + GpsuedoStkPtr=0; + /* if we need assign a result value */ + if ((IS_ITEMP(IC_RESULT(ic)) && + (OP_SYMBOL(IC_RESULT(ic))->nRegs || + OP_SYMBOL(IC_RESULT(ic))->spildir )) || + IS_TRUE_SYMOP(IC_RESULT(ic)) ) { + + _G.accInUse++; + aopOp(IC_RESULT(ic),ic,FALSE); + _G.accInUse--; - /* adjust the stack for parameters if - required */ - if (ic->parmBytes) { - int i; - if (ic->parmBytes > 3) { - pic14_emitcode("mov","a,%s",spname); - pic14_emitcode("add","a,#0x%02x", (- ic->parmBytes) & 0xff); - pic14_emitcode("mov","%s,a",spname); - } else - for ( i = 0 ; i < ic->parmBytes ;i++) - pic14_emitcode("dec","%s",spname); + assignResultValue(IC_RESULT(ic)); - } + DEBUGpic14_emitcode ("; ","%d left %s",__LINE__, + AopType(AOP_TYPE(IC_RESULT(ic)))); + + freeAsmop(IC_RESULT(ic),NULL, ic,TRUE); + } + + /* adjust the stack for parameters if + required */ + if (ic->parmBytes) { + int i; + if (ic->parmBytes > 3) { + pic14_emitcode("mov","a,%s",spname); + pic14_emitcode("add","a,#0x%02x", (- ic->parmBytes) & 0xff); + pic14_emitcode("mov","%s,a",spname); + } else + for ( i = 0 ; i < ic->parmBytes ;i++) + pic14_emitcode("dec","%s",spname); + + } - /* if register bank was saved then pop them */ - if (ic->bankSaved) - unsaverbank(SPEC_BANK(detype),ic,TRUE); + /* if register bank was saved then pop them */ + if (ic->bankSaved) + unsaverbank(FUNC_REGBANK(dtype),ic,TRUE); - /* if we hade saved some registers then unsave them */ - if (ic->regsSaved && !(OP_SYMBOL(IC_LEFT(ic))->calleeSave)) - unsaveRegisters (ic); + /* if we hade saved some registers then unsave them */ + if (ic->regsSaved && !IFFUNC_CALLEESAVES(dtype)) + unsaveRegisters (ic); } @@ -2206,7 +2482,7 @@ static void genCall (iCode *ic) /*-----------------------------------------------------------------*/ static void genPcall (iCode *ic) { - sym_link *detype; + sym_link *dtype; symbol *rlbl = newiTempLabel(NULL); @@ -2218,11 +2494,11 @@ static void genPcall (iCode *ic) /* if we are calling a function that is not using the same register bank then we need to save the destination registers on the stack */ - detype = getSpec(operandType(IC_LEFT(ic))); - if (detype && - IS_ISR(currFunc->etype) && - (SPEC_BANK(currFunc->etype) != SPEC_BANK(detype))) - saverbank(SPEC_BANK(detype),ic,TRUE); + dtype = operandType(IC_LEFT(ic)); + if (currFunc && dtype && + IFFUNC_ISISR(currFunc->type) && + (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype))) + saverbank(FUNC_REGBANK(dtype),ic,TRUE); /* push the return address on to the stack */ @@ -2301,10 +2577,9 @@ static void genPcall (iCode *ic) } /* if register bank was saved then unsave them */ - if (detype && - (SPEC_BANK(currFunc->etype) != - SPEC_BANK(detype))) - unsaverbank(SPEC_BANK(detype),ic,TRUE); + if (currFunc && dtype && + (FUNC_REGBANK(currFunc->type) != FUNC_REGBANK(dtype))) + unsaverbank(FUNC_REGBANK(dtype),ic,TRUE); /* if we hade saved some registers then unsave them */ @@ -2318,17 +2593,17 @@ static void genPcall (iCode *ic) /*-----------------------------------------------------------------*/ static int resultRemat (iCode *ic) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if (SKIP_IC(ic) || ic->op == IFX) - return 0; + // DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if (SKIP_IC(ic) || ic->op == IFX) + return 0; - if (IC_RESULT(ic) && IS_ITEMP(IC_RESULT(ic))) { - symbol *sym = OP_SYMBOL(IC_RESULT(ic)); - if (sym->remat && !POINTER_SET(ic)) - return 1; - } + if (IC_RESULT(ic) && IS_ITEMP(IC_RESULT(ic))) { + symbol *sym = OP_SYMBOL(IC_RESULT(ic)); + if (sym->remat && !POINTER_SET(ic)) + return 1; + } - return 0; + return 0; } #if defined(__BORLANDC__) || defined(_MSC_VER) @@ -2337,11 +2612,13 @@ static int resultRemat (iCode *ic) #define STRCASECMP strcasecmp #endif +#if 0 /*-----------------------------------------------------------------*/ /* inExcludeList - return 1 if the string is in exclude Reg list */ /*-----------------------------------------------------------------*/ static bool inExcludeList(char *s) { + DEBUGpic14_emitcode ("; ***","%s %d - WARNING no code generated",__FUNCTION__,__LINE__); int i =0; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); @@ -2356,6 +2633,7 @@ static bool inExcludeList(char *s) } return FALSE ; } +#endif /*-----------------------------------------------------------------*/ /* genFunction - generated code for function entry */ @@ -2363,11 +2641,13 @@ static bool inExcludeList(char *s) static void genFunction (iCode *ic) { symbol *sym; - sym_link *fetype; + sym_link *ftype; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - labelOffset += FUNCTION_LABEL_INC; + DEBUGpic14_emitcode ("; ***","%s %d curr label offset=%dprevious max_key=%d ",__FUNCTION__,__LINE__,labelOffset,max_key); + labelOffset += (max_key+4); + max_key=0; + GpsuedoStkPtr=0; _G.nRegsSaved = 0; /* create the function header */ pic14_emitcode(";","-----------------------------------------"); @@ -2377,19 +2657,19 @@ static void genFunction (iCode *ic) pic14_emitcode("","%s:",sym->rname); addpCode2pBlock(pb,newpCodeFunction(NULL,sym->rname)); - fetype = getSpec(operandType(IC_LEFT(ic))); + ftype = operandType(IC_LEFT(ic)); /* if critical function then turn interrupts off */ - if (SPEC_CRTCL(fetype)) + if (IFFUNC_ISCRITICAL(ftype)) pic14_emitcode("clr","ea"); /* here we need to generate the equates for the register bank if required */ #if 0 - if (SPEC_BANK(fetype) != rbank) { + if (FUNC_REGBANK(ftype) != rbank) { int i ; - rbank = SPEC_BANK(fetype); + rbank = FUNC_REGBANK(ftype); for ( i = 0 ; i < pic14_nRegs ; i++ ) { if (strcmp(regspic14[i].base,"0") == 0) pic14_emitcode("","%s = 0x%02x", @@ -2406,8 +2686,18 @@ static void genFunction (iCode *ic) /* if this is an interrupt service routine then save acc, b, dpl, dph */ - if (IS_ISR(sym->etype)) { - + if (IFFUNC_ISISR(sym->type)) { + addpCode2pBlock(pb,newpCode(POC_GOTO,newpCodeOp("END_OF_INTERRUPT+1",PO_STR))); + emitpcodeNULLop(POC_NOP); + emitpcodeNULLop(POC_NOP); + emitpcodeNULLop(POC_NOP); + emitpcode(POC_MOVWF, popCopyReg(&pc_wsave)); + emitpcode(POC_SWAPFW, popCopyReg(&pc_status)); + emitpcode(POC_CLRF, popCopyReg(&pc_status)); + emitpcode(POC_MOVWF, popCopyReg(&pc_ssave)); + + pBlockConvert2ISR(pb); +#if 0 if (!inExcludeList("acc")) pic14_emitcode ("push","acc"); if (!inExcludeList("b")) @@ -2433,12 +2723,12 @@ static void genFunction (iCode *ic) /* if this isr has no bank i.e. is going to run with bank 0 , then we need to save more registers :-) */ - if (!SPEC_BANK(sym->etype)) { + if (!FUNC_REGBANK(sym->type)) { /* if this function does not call any other function then we can be economical and save only those registers that are used */ - if (! sym->hasFcall) { + if (! IFFUNC_HASFCALL(sym->type)) { int i; /* if any registers used */ @@ -2447,7 +2737,7 @@ static void genFunction (iCode *ic) for ( i = 0 ; i < sym->regsUsed->size ; i++) { if (bitVectBitValue(sym->regsUsed,i) || (pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) - pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname); + pic14_emitcode("push","junk");//"%s",pic14_regWithIdx(i)->dname); } } @@ -2458,10 +2748,11 @@ static void genFunction (iCode *ic) saverbank(0,ic,FALSE); } } +#endif } else { /* if callee-save to be used for this function then save the registers being used in this function */ - if (sym->calleeSave) { + if (IFFUNC_CALLEESAVES(sym->type)) { int i; /* if any registers used */ @@ -2470,7 +2761,7 @@ static void genFunction (iCode *ic) for ( i = 0 ; i < sym->regsUsed->size ; i++) { if (bitVectBitValue(sym->regsUsed,i) || (pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) { - pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname); + //pic14_emitcode("push","%s",pic14_regWithIdx(i)->dname); _G.nRegsSaved++; } } @@ -2479,12 +2770,12 @@ static void genFunction (iCode *ic) } /* set the register bank to the desired value */ - if (SPEC_BANK(sym->etype) || IS_ISR(sym->etype)) { + if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type)) { pic14_emitcode("push","psw"); - pic14_emitcode("mov","psw,#0x%02x",(SPEC_BANK(sym->etype) << 3)&0x00ff); + pic14_emitcode("mov","psw,#0x%02x",(FUNC_REGBANK(sym->type) << 3)&0x00ff); } - if (IS_RENT(sym->etype) || options.stackAuto) { + if (IFFUNC_ISREENT(sym->type) || options.stackAuto) { if (options.useXstack) { pic14_emitcode("mov","r0,%s",spname); @@ -2537,7 +2828,7 @@ static void genEndFunction (iCode *ic) DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if (IS_RENT(sym->etype) || options.stackAuto) + if (IFFUNC_ISREENT(sym->type) || options.stackAuto) { pic14_emitcode ("mov","%s,_bp",spname); } @@ -2552,7 +2843,7 @@ static void genEndFunction (iCode *ic) } - if ((IS_RENT(sym->etype) || options.stackAuto)) { + if ((IFFUNC_ISREENT(sym->type) || options.stackAuto)) { if (options.useXstack) { pic14_emitcode("mov","r0,%s",spname); pic14_emitcode("movx","a,@r0"); @@ -2566,21 +2857,21 @@ static void genEndFunction (iCode *ic) } /* restore the register bank */ - if (SPEC_BANK(sym->etype) || IS_ISR(sym->etype)) + if (FUNC_REGBANK(sym->type) || FUNC_ISISR(sym->type)) pic14_emitcode ("pop","psw"); - if (IS_ISR(sym->etype)) { + if (IFFUNC_ISISR(sym->type)) { /* now we need to restore the registers */ /* if this isr has no bank i.e. is going to run with bank 0 , then we need to save more registers :-) */ - if (!SPEC_BANK(sym->etype)) { + if (!FUNC_REGBANK(sym->type)) { /* if this function does not call any other function then we can be economical and save only those registers that are used */ - if (! sym->hasFcall) { + if (! IFFUNC_HASFCALL(sym->type)) { int i; /* if any registers used */ @@ -2589,7 +2880,7 @@ static void genEndFunction (iCode *ic) for ( i = sym->regsUsed->size ; i >= 0 ; i--) { if (bitVectBitValue(sym->regsUsed,i) || (pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) - pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname); + pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname); } } @@ -2600,7 +2891,7 @@ static void genEndFunction (iCode *ic) unsaverbank(0,ic,FALSE); } } - +#if 0 if (options.model == MODEL_FLAT24 && !inExcludeList("dpx")) { if (options.stack10bit) @@ -2621,8 +2912,9 @@ static void genEndFunction (iCode *ic) if (!inExcludeList("acc")) pic14_emitcode ("pop","acc"); - if (SPEC_CRTCL(sym->etype)) + if (IFFUNC_ISCRITICAL(sym->type)) pic14_emitcode("setb","ea"); +#endif /* if debug then send end of function */ /* if (options.debug && currFunc) { */ @@ -2639,12 +2931,22 @@ static void genEndFunction (iCode *ic) } pic14_emitcode ("reti",""); + + emitpcode(POC_CLRF, popCopyReg(&pc_status)); + emitpcode(POC_SWAPFW, popCopyReg(&pc_ssave)); + emitpcode(POC_MOVWF, popCopyReg(&pc_status)); + emitpcode(POC_SWAPF, popCopyReg(&pc_wsave)); + emitpcode(POC_SWAPFW, popCopyReg(&pc_wsave)); + addpCode2pBlock(pb,newpCodeLabel("END_OF_INTERRUPT",-1)); + + emitpcodeNULLop(POC_RETFIE); + } else { - if (SPEC_CRTCL(sym->etype)) + if (IFFUNC_ISCRITICAL(sym->type)) pic14_emitcode("setb","ea"); - if (sym->calleeSave) { + if (IFFUNC_CALLEESAVES(sym->type)) { int i; /* if any registers used */ @@ -2653,7 +2955,7 @@ static void genEndFunction (iCode *ic) for ( i = sym->regsUsed->size ; i >= 0 ; i--) { if (bitVectBitValue(sym->regsUsed,i) || (pic14_ptrRegReq && (i == R0_IDX || i == R1_IDX)) ) - pic14_emitcode("pop","%s",pic14_regWithIdx(i)->dname); + pic14_emitcode("pop","junk");//"%s",pic14_regWithIdx(i)->dname); } } @@ -2673,7 +2975,7 @@ static void genEndFunction (iCode *ic) } pic14_emitcode ("return",""); - emitpcode(POC_RETURN,NULL); + emitpcodeNULLop(POC_RETURN); /* Mark the end of a function */ addpCode2pBlock(pb,newpCodeFunction(NULL,NULL)); @@ -2686,61 +2988,65 @@ static void genEndFunction (iCode *ic) /*-----------------------------------------------------------------*/ static void genRet (iCode *ic) { - int size,offset = 0 , pushed = 0; + int size,offset = 0 , pushed = 0; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if we have no return value then - just generate the "ret" */ - if (!IC_LEFT(ic)) - goto jumpret; + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* if we have no return value then + just generate the "ret" */ + if (!IC_LEFT(ic)) + goto jumpret; - /* we have something to return then - move the return value into place */ - aopOp(IC_LEFT(ic),ic,FALSE); - size = AOP_SIZE(IC_LEFT(ic)); + /* we have something to return then + move the return value into place */ + aopOp(IC_LEFT(ic),ic,FALSE); + size = AOP_SIZE(IC_LEFT(ic)); - while (size--) { - char *l ; - if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) { - /* #NOCHANGE */ - l = aopGet(AOP(IC_LEFT(ic)),offset++, - FALSE,TRUE); - pic14_emitcode("push","%s",l); - pushed++; - } else { - l = aopGet(AOP(IC_LEFT(ic)),offset, - FALSE,FALSE); - if (strcmp(fReturn[offset],l)) { - if( ( (AOP(IC_LEFT(ic))->type) == AOP_IMMD) || - ((AOP(IC_LEFT(ic))->type) == AOP_LIT) ) - pic14_emitcode("movlw","%s",l); - else - pic14_emitcode("movf","%s,w",l); - if(size) - pic14_emitcode("movwf","%s",fReturn[offset]); - offset++; - } - } - } - - if (pushed) { - while(pushed) { - pushed--; - if (strcmp(fReturn[pushed],"a")) - pic14_emitcode("pop",fReturn[pushed]); - else - pic14_emitcode("pop","acc"); + while (size--) { + char *l ; + if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) { + /* #NOCHANGE */ + l = aopGet(AOP(IC_LEFT(ic)),offset++, + FALSE,TRUE); + pic14_emitcode("push","%s",l); + pushed++; + } else { + l = aopGet(AOP(IC_LEFT(ic)),offset, + FALSE,FALSE); + if (strcmp(fReturn[offset],l)) { + if( ( (AOP(IC_LEFT(ic))->type) == AOP_IMMD) || + ((AOP(IC_LEFT(ic))->type) == AOP_LIT) ) { + emitpcode(POC_MOVLW, popGet(AOP(IC_LEFT(ic)),offset)); + }else { + emitpcode(POC_MOVFW, popGet(AOP(IC_LEFT(ic)),offset)); } + if(size) { + emitpcode(POC_MOVWF,popRegFromIdx(offset + Gstack_base_addr)); + } + offset++; + } + } + } + + if (pushed) { + while(pushed) { + pushed--; + if (strcmp(fReturn[pushed],"a")) + pic14_emitcode("pop",fReturn[pushed]); + else + pic14_emitcode("pop","acc"); } - freeAsmop (IC_LEFT(ic),NULL,ic,TRUE); + } + freeAsmop (IC_LEFT(ic),NULL,ic,TRUE); jumpret: - /* generate a jump to the return label - if the next is not the return statement */ - if (!(ic->next && ic->next->op == LABEL && - IC_LABEL(ic->next) == returnLabel)) + /* generate a jump to the return label + if the next is not the return statement */ + if (!(ic->next && ic->next->op == LABEL && + IC_LABEL(ic->next) == returnLabel)) { - pic14_emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset); + emitpcode(POC_GOTO,popGetLabel(returnLabel->key)); + pic14_emitcode("goto","_%05d_DS_",returnLabel->key+100 + labelOffset); + } } @@ -2754,7 +3060,7 @@ static void genLabel (iCode *ic) if (IC_LABEL(ic) == entryLabel) return ; - emitpLabel(IC_LABEL(ic)->key+100 + labelOffset); + emitpLabel(IC_LABEL(ic)->key); pic14_emitcode("","_%05d_DS_:",(IC_LABEL(ic)->key+100 + labelOffset)); } @@ -2764,36 +3070,10 @@ static void genLabel (iCode *ic) //tsd static void genGoto (iCode *ic) { - pic14_emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset); + emitpcode(POC_GOTO,popGetLabel(IC_LABEL(ic)->key)); + pic14_emitcode ("goto","_%05d_DS_",(IC_LABEL(ic)->key+100)+labelOffset); } -/*-----------------------------------------------------------------*/ -/* findLabelBackwards: walks back through the iCode chain looking */ -/* for the given label. Returns number of iCode instructions */ -/* between that label and given ic. */ -/* Returns zero if label not found. */ -/*-----------------------------------------------------------------*/ -#if 0 -static int findLabelBackwards(iCode *ic, int key) -{ - int count = 0; - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - while (ic->prev) - { - ic = ic->prev; - count++; - - if (ic->op == LABEL && IC_LABEL(ic)->key == key) - { - /* printf("findLabelBackwards = %d\n", count); */ - return count; - } - } - - return 0; -} -#endif /*-----------------------------------------------------------------*/ /* genMultbits :- multiplication of bits */ @@ -2802,11 +3082,15 @@ static void genMultbits (operand *left, operand *right, operand *result) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + if(!pic14_sameRegs(AOP(result),AOP(right))) + emitpcode(POC_BSF, popGet(AOP(result),0)); + + emitpcode(POC_BTFSC,popGet(AOP(right),0)); + emitpcode(POC_BTFSS,popGet(AOP(left),0)); + emitpcode(POC_BCF, popGet(AOP(result),0)); - pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); - pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir); - pic14_outBitC(result); } @@ -2817,83 +3101,103 @@ static void genMultOneByte (operand *left, operand *right, operand *result) { - sym_link *opetype = operandType(result); - char *l ; - symbol *lbl ; - int size,offset; + sym_link *opetype = operandType(result); + + // symbol *lbl ; + int size,offset; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_AopType(__LINE__,left,right,result); + DEBUGpic14_AopTypeSign(__LINE__,left,right,result); + + /* (if two literals, the value is computed before) */ + /* if one literal, literal on the right */ + if (AOP_TYPE(left) == AOP_LIT){ + operand *t = right; + right = left; + left = t; + } + + size = AOP_SIZE(result); + if(size == 1) { + + if (AOP_TYPE(right) == AOP_LIT){ + pic14_emitcode("multiply ","lit val:%s by variable %s and store in %s", + aopGet(AOP(right),0,FALSE,FALSE), + aopGet(AOP(left),0,FALSE,FALSE), + aopGet(AOP(result),0,FALSE,FALSE)); + pic14_emitcode("call","genMultLit"); + } else { + pic14_emitcode("multiply ","variable :%s by variable %s and store in %s", + aopGet(AOP(right),0,FALSE,FALSE), + aopGet(AOP(left),0,FALSE,FALSE), + aopGet(AOP(result),0,FALSE,FALSE)); + pic14_emitcode("call","genMult8X8_8"); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* (if two literals, the value is computed before) */ - /* if one literal, literal on the right */ - if (AOP_TYPE(left) == AOP_LIT){ - operand *t = right; - right = left; - left = t; } + genMult8X8_8 (left, right,result); + - size = AOP_SIZE(result); /* signed or unsigned */ - pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE)); - l = aopGet(AOP(left),0,FALSE,FALSE); - MOVA(l); - pic14_emitcode("mul","ab"); + //pic14_emitcode("mov","b,%s", aopGet(AOP(right),0,FALSE,FALSE)); + //l = aopGet(AOP(left),0,FALSE,FALSE); + //MOVA(l); + //pic14_emitcode("mul","ab"); /* if result size = 1, mul signed = mul unsigned */ - aopPut(AOP(result),"a",0); - if (size > 1){ - if (SPEC_USIGN(opetype)){ - aopPut(AOP(result),"b",1); - if (size > 2) - /* for filling the MSBs */ - pic14_emitcode("clr","a"); - } - else{ - pic14_emitcode("mov","a,b"); + //aopPut(AOP(result),"a",0); - /* adjust the MSB if left or right neg */ + } else { // (size > 1) - /* if one literal */ - if (AOP_TYPE(right) == AOP_LIT){ - /* AND literal negative */ - if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){ - /* adjust MSB (c==0 after mul) */ - pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE)); - } - } - else{ - lbl = newiTempLabel(NULL); - pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE)); - pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100)); - pic14_emitcode("","%05d_DS_:",(lbl->key+100)); - pic14_emitcode("xch","a,%s",aopGet(AOP(right),0,FALSE,FALSE)); - lbl = newiTempLabel(NULL); - pic14_emitcode("jc","%05d_DS_",(lbl->key+100)); - pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE)); - pic14_emitcode("","%05d_DS_:",(lbl->key+100)); - } + pic14_emitcode("multiply (size>1) ","variable :%s by variable %s and store in %s", + aopGet(AOP(right),0,FALSE,FALSE), + aopGet(AOP(left),0,FALSE,FALSE), + aopGet(AOP(result),0,FALSE,FALSE)); - lbl = newiTempLabel(NULL); - pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE)); - pic14_emitcode("cjne","a,#0x80,%05d_DS_", (lbl->key+100)); - pic14_emitcode("","%05d_DS_:",(lbl->key+100)); - pic14_emitcode("xch","a,%s",aopGet(AOP(left),0,FALSE,FALSE)); - lbl = newiTempLabel(NULL); - pic14_emitcode("jc","%05d_DS_",(lbl->key+100)); - pic14_emitcode("subb","a,%s", aopGet(AOP(right),0,FALSE,FALSE)); - pic14_emitcode("","%05d_DS_:",(lbl->key+100)); + if (SPEC_USIGN(opetype)){ + pic14_emitcode("multiply ","unsigned result. size = %d",AOP_SIZE(result)); + genUMult8X8_16 (left, right, result, NULL); - aopPut(AOP(result),"a",1); - if(size > 2){ - /* get the sign */ - pic14_emitcode("rlc","a"); - pic14_emitcode("subb","a,acc"); - } - } - size -= 2; - offset = 2; - if (size > 0) - while (size--) - aopPut(AOP(result),"a",offset++); + if (size > 2) { + /* for filling the MSBs */ + emitpcode(POC_CLRF, popGet(AOP(result),2)); + emitpcode(POC_CLRF, popGet(AOP(result),3)); + } } + else{ + pic14_emitcode("multiply ","signed result. size = %d",AOP_SIZE(result)); + + pic14_emitcode("mov","a,b"); + + /* adjust the MSB if left or right neg */ + + /* if one literal */ + if (AOP_TYPE(right) == AOP_LIT){ + pic14_emitcode("multiply ","right is a lit"); + /* AND literal negative */ + if((int) floatFromVal (AOP(right)->aopu.aop_lit) < 0){ + /* adjust MSB (c==0 after mul) */ + pic14_emitcode("subb","a,%s", aopGet(AOP(left),0,FALSE,FALSE)); + } + } + else{ + genSMult8X8_16 (left, right, result, NULL); + } + + if(size > 2){ + pic14_emitcode("multiply ","size is greater than 2, so propogate sign"); + /* get the sign */ + pic14_emitcode("rlc","a"); + pic14_emitcode("subb","a,acc"); + } + } + + size -= 2; + offset = 2; + if (size > 0) + while (size--) + pic14_emitcode("multiply ","size is way greater than 2, so propogate sign"); + //aopPut(AOP(result),"a",offset++); + } } /*-----------------------------------------------------------------*/ @@ -2911,6 +3215,8 @@ static void genMult (iCode *ic) aopOp (right,ic,FALSE); aopOp (result,ic,TRUE); + DEBUGpic14_AopType(__LINE__,left,right,result); + /* special cases first */ /* both are bits */ if (AOP_TYPE(left) == AOP_CRY && @@ -2926,8 +3232,10 @@ static void genMult (iCode *ic) goto release ; } - /* should have been converted to function call */ - assert(1) ; + pic14_emitcode("multiply ","sizes are greater than 2... need to insert proper algor."); + + /* should have been converted to function call */ + //assert(0) ; release : freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); @@ -3072,7 +3380,7 @@ static void genDiv (iCode *ic) } /* should have been converted to function call */ - assert(1); + assert(0); release : freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); @@ -3206,7 +3514,7 @@ static void genMod (iCode *ic) } /* should have been converted to function call */ - assert(1); + assert(0); release : freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); @@ -3217,6 +3525,9 @@ release : /*-----------------------------------------------------------------*/ /* genIfxJump :- will create a jump depending on the ifx */ /*-----------------------------------------------------------------*/ +/* + note: May need to add parameter to indicate when a variable is in bit space. +*/ static void genIfxJump (iCode *ic, char *jval) { @@ -3230,11 +3541,8 @@ static void genIfxJump (iCode *ic, char *jval) else if (strcmp(jval,"c") == 0) emitSKPC; else { - //pCodeOp *p = popGetWithString(jval); - //p->type = PO_BIT; - //emitpcode(POC_BTFSC, p); - emitpcode(POC_BTFSC, newpCodeOpBit(jval,0)); - //pic14_emitcode("btfsc","(%s >> 3),(%s & 7)",jval,jval); + DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval); + emitpcode(POC_BTFSC, newpCodeOpBit(jval,-1,1)); } emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ic)->key)); @@ -3248,12 +3556,8 @@ static void genIfxJump (iCode *ic, char *jval) else if (strcmp(jval,"c") == 0) emitSKPNC; else { - //pCodeOp *p = popGetWithString(jval); - //p->type = PO_BIT; - //emitpcode(POC_BTFSS, p); - emitpcode(POC_BTFSS, newpCodeOpBit(jval,0)); - - // pic14_emitcode("btfss","(%s >> 3),(%s & 7)",jval,jval); + DEBUGpic14_emitcode ("; ***","%d - assuming %s is in bit space",__LINE__,jval); + emitpcode(POC_BTFSS, newpCodeOpBit(jval,-1,1)); } emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ic)->key)); @@ -3319,26 +3623,35 @@ static void genSkip(iCode *ifx,int status_bit) /*-----------------------------------------------------------------*/ /* genSkipc */ /*-----------------------------------------------------------------*/ -static void genSkipc(iCode *ifx, int condition) +static void genSkipc(resolvedIfx *rifx) { - if(!ifx) + if(!rifx) return; - if(condition) - emitSKPNC; - else + if(rifx->condition) emitSKPC; - - if ( IC_TRUE(ifx) ) - emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key)); else - emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key)); + emitSKPNC; - if ( IC_TRUE(ifx) ) - pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset); + emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key)); + rifx->generated = 1; +} + +/*-----------------------------------------------------------------*/ +/* genSkipz2 */ +/*-----------------------------------------------------------------*/ +static void genSkipz2(resolvedIfx *rifx, int invert_condition) +{ + if(!rifx) + return; + + if( (rifx->condition ^ invert_condition) & 1) + emitSKPZ; else - pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset); + emitSKPNZ; + emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key)); + rifx->generated = 1; } /*-----------------------------------------------------------------*/ @@ -3365,16 +3678,99 @@ static void genSkipz(iCode *ifx, int condition) pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset); } +/*-----------------------------------------------------------------*/ +/* genSkipCond */ +/*-----------------------------------------------------------------*/ +static void genSkipCond(resolvedIfx *rifx,operand *op, int offset, int bit) +{ + if(!rifx) + return; + + if(rifx->condition) + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0)); + else + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(op),offset,FALSE,FALSE),bit,0)); + + + emitpcode(POC_GOTO,popGetLabel(rifx->lbl->key)); + rifx->generated = 1; +} + +#if 0 +/*-----------------------------------------------------------------*/ +/* genChkZeroes :- greater or less than comparison */ +/* For each byte in a literal that is zero, inclusive or the */ +/* the corresponding byte in the operand with W */ +/* returns true if any of the bytes are zero */ +/*-----------------------------------------------------------------*/ +static int genChkZeroes(operand *op, int lit, int size) +{ + + int i; + int flag =1; + + while(size--) { + i = (lit >> (size*8)) & 0xff; + + if(i==0) { + if(flag) + emitpcode(POC_MOVFW, popGet(AOP(op),size)); + else + emitpcode(POC_IORFW, popGet(AOP(op),size)); + flag = 0; + } + } + + return (flag==0); +} +#endif + /*-----------------------------------------------------------------*/ /* genCmp :- greater or less than comparison */ /*-----------------------------------------------------------------*/ static void genCmp (operand *left,operand *right, operand *result, iCode *ifx, int sign) { - int size, offset = 0 ; + int size; //, offset = 0 ; unsigned long lit = 0L,i = 0; - + resolvedIfx rFalseIfx; + // resolvedIfx rTrueIfx; + symbol *truelbl; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); +/* + if(ifx) { + DEBUGpic14_emitcode ("; ***","true ifx is %s",((IC_TRUE(ifx) == NULL) ? "false" : "true")); + DEBUGpic14_emitcode ("; ***","false ifx is %s",((IC_FALSE(ifx) == NULL) ? "false" : "true")); + } +*/ + + resolveIfx(&rFalseIfx,ifx); + truelbl = newiTempLabel(NULL); + size = max(AOP_SIZE(left),AOP_SIZE(right)); + + DEBUGpic14_AopType(__LINE__,left,right,result); + +#define _swapp + + /* if literal is on the right then swap with left */ + if ((AOP_TYPE(right) == AOP_LIT)) { + operand *tmp = right ; + unsigned long mask = (0x100 << (8*(size-1))) - 1; + lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); +#ifdef _swapp + + lit = (lit - 1) & mask; + right = left; + left = tmp; + rFalseIfx.condition ^= 1; +#endif + + } else if ((AOP_TYPE(left) == AOP_LIT)) { + lit = (unsigned long)floatFromVal(AOP(left)->aopu.aop_lit); + } + + + //if(IC_TRUE(ifx) == NULL) /* if left & right are bit variables */ if (AOP_TYPE(left) == AOP_CRY && AOP_TYPE(right) == AOP_CRY ) { @@ -3384,278 +3780,948 @@ static void genCmp (operand *left,operand *right, /* subtract right from left if at the end the carry flag is set then we know that left is greater than right */ - size = max(AOP_SIZE(left),AOP_SIZE(right)); - /* if unsigned char cmp with lit, do cjne left,#right,zz */ - if((size == 1) && !sign && - (AOP_TYPE(right) == AOP_LIT && AOP_TYPE(left) != AOP_DIR )){ - symbol *lbl = newiTempLabel(NULL); - pic14_emitcode("cjne","%s,%s,%05d_DS_", - aopGet(AOP(left),offset,FALSE,FALSE), - aopGet(AOP(right),offset,FALSE,FALSE), - lbl->key+100); - pic14_emitcode("","%05d_DS_:",lbl->key+100); - } else { + // { - if(AOP_TYPE(right) == AOP_LIT) { + symbol *lbl = newiTempLabel(NULL); - DEBUGpic14_emitcode(";right lit","%d",sign); +#ifndef _swapp + if(AOP_TYPE(right) == AOP_LIT) { - lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); - //default: - while(size--) { - i = (lit >> (size*8)) & 0xff; - if(i == 0) { - emitpcode(POC_MOVFW, popGet(AOP(left),size,FALSE,FALSE)); - pic14_emitcode("movf","%s,w",aopGet(AOP(left),size,FALSE,FALSE)); - genSkipz(ifx,IC_TRUE(ifx) == NULL); - } else { - emitpcode(POC_MOVLW, popGetLit(i)); - emitpcode(POC_SUBFW, popGet(AOP(left),size,FALSE,FALSE)); + //lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); - pic14_emitcode("movlw","0x%x",i); - pic14_emitcode("subwf","%s,w",aopGet(AOP(left),size,FALSE,FALSE)); - genSkipc(ifx,IC_TRUE(ifx) == NULL); - } + DEBUGpic14_emitcode(";right lit","lit = 0x%x,sign=%d",lit,sign); - } - ifx->generated = 1; - return; - } - if(AOP_TYPE(left) == AOP_LIT) { + /* special cases */ - DEBUGpic14_emitcode(";left lit","%d",sign); + if(lit == 0) { - lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit))+1; + if(sign != 0) + genSkipCond(&rFalseIfx,left,size-1,7); + else + /* no need to compare to 0...*/ + /* NOTE: this is a de-generate compare that most certainly + * creates some dead code. */ + emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key)); - //default: - while(size--) { - i = (lit >> (size*8)) & 0xff; - if(i == 0) { - emitpcode(POC_MOVFW, popGet(AOP(right),size,FALSE,FALSE)); - pic14_emitcode("movf","%s,w",aopGet(AOP(right),size,FALSE,FALSE)); - genSkipz(ifx,IC_TRUE(ifx) != NULL); - } else if( i == 1 ) { - emitpcode(POC_DECFW, popGet(AOP(right),size,FALSE,FALSE)); - pic14_emitcode("decf","%s,w",aopGet(AOP(right),size,FALSE,FALSE)); - genSkipz(ifx,IC_TRUE(ifx) != NULL); + if(ifx) ifx->generated = 1; + return; + + } + size--; + if(size == 0) { + //i = (lit >> (size*8)) & 0xff; + DEBUGpic14_emitcode(";right lit","line = %d",__LINE__); + + emitpcode(POC_MOVFW, popGet(AOP(left),size)); + + i = ((0-lit) & 0xff); + if(sign) { + if( i == 0x81) { + /* lit is 0x7f, all signed chars are less than + * this except for 0x7f itself */ + emitpcode(POC_XORLW, popGetLit(0x7f)); + genSkipz2(&rFalseIfx,0); } else { - emitpcode(POC_MOVLW, popGetLit(i)); - emitpcode(POC_SUBFW, popGet(AOP(right),size,FALSE,FALSE)); + emitpcode(POC_ADDLW, popGetLit(0x80)); + emitpcode(POC_ADDLW, popGetLit(i^0x80)); + genSkipc(&rFalseIfx); + } - pic14_emitcode("movlw","0x%x",i); - pic14_emitcode("subwf","%s,w",aopGet(AOP(right),size,FALSE,FALSE)); - genSkipc(ifx,IC_TRUE(ifx) != NULL); + } else { + if(lit == 1) { + genSkipz2(&rFalseIfx,1); + } else { + emitpcode(POC_ADDLW, popGetLit(i)); + genSkipc(&rFalseIfx); } } - ifx->generated = 1; + + if(ifx) ifx->generated = 1; return; } + /* chars are out of the way. now do ints and longs */ - // CLRC; - DEBUGpic14_emitcode(";sign","%d",sign); - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("subwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE));//++ + DEBUGpic14_emitcode(";right lit","line = %d",__LINE__); + + /* special cases */ - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_SUBFW, popGet(AOP(left),offset++,FALSE,FALSE)); + if(sign) { - size--; - while (size--) { + if(lit == 0) { + genSkipCond(&rFalseIfx,left,size,7); + if(ifx) ifx->generated = 1; + return; + } - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitSKPC; - emitpcode(POC_INCFSZW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_SUBFW, popGet(AOP(left),offset,FALSE,FALSE)); + if(lit <0x100) { + DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit); -/* - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - emitSKPC; - pic14_emitcode("incfsz","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("subwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); -*/ - offset++; - } - } - } + //rFalseIfx.condition ^= 1; + //genSkipCond(&rFalseIfx,left,size,7); + //rFalseIfx.condition ^= 1; - //release: - if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) { - pic14_outBitC(result); - } else { - /* if the result is used in the next - ifx conditional branch then generate - code a little differently */ - if (ifx ) - genIfxJump (ifx,"c"); - else - pic14_outBitC(result); - /* leave the result in acc */ - } + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0)); + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); -} + emitpcode(POC_MOVLW, popGetLit(0x100-lit)); + emitpcode(POC_ADDFW, popGet(AOP(left),0)); + emitpcode(POC_MOVFW, popGet(AOP(left),1)); -/*-----------------------------------------------------------------*/ -/* genCmpGt :- greater than comparison */ -/*-----------------------------------------------------------------*/ -static void genCmpGt (iCode *ic, iCode *ifx) -{ - operand *left, *right, *result; - sym_link *letype , *retype; - int sign ; + while(size > 1) + emitpcode(POC_IORFW, popGet(AOP(left),size--)); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - left = IC_LEFT(ic); - right= IC_RIGHT(ic); - result = IC_RESULT(ic); + if(rFalseIfx.condition) { + emitSKPZ; + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); - letype = getSpec(operandType(left)); - retype =getSpec(operandType(right)); - sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype)); - /* assign the amsops */ - aopOp (left,ic,FALSE); - aopOp (right,ic,FALSE); - aopOp (result,ic,TRUE); + } else { + emitSKPNZ; + } - genCmp(right, left, result, ifx, sign); + genSkipc(&rFalseIfx); + emitpLabel(truelbl->key); + if(ifx) ifx->generated = 1; + return; - freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(result,NULL,ic,TRUE); -} + } -/*-----------------------------------------------------------------*/ -/* genCmpLt - less than comparisons */ -/*-----------------------------------------------------------------*/ -static void genCmpLt (iCode *ic, iCode *ifx) -{ - operand *left, *right, *result; - sym_link *letype , *retype; - int sign ; + if(size == 1) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - left = IC_LEFT(ic); - right= IC_RIGHT(ic); - result = IC_RESULT(ic); + if( (lit & 0xff) == 0) { + /* lower byte is zero */ + DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit); + i = ((lit >> 8) & 0xff) ^0x80; + emitpcode(POC_MOVFW, popGet(AOP(left),size)); + emitpcode(POC_ADDLW, popGetLit( 0x80)); + emitpcode(POC_ADDLW, popGetLit(0x100-i)); + genSkipc(&rFalseIfx); - letype = getSpec(operandType(left)); - retype =getSpec(operandType(right)); - sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype)); - /* assign the amsops */ - aopOp (left,ic,FALSE); - aopOp (right,ic,FALSE); - aopOp (result,ic,TRUE); + if(ifx) ifx->generated = 1; + return; - genCmp(left, right, result, ifx, sign); + } + } else { + /* Special cases for signed longs */ + if( (lit & 0xffffff) == 0) { + /* lower byte is zero */ + DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit); + i = ((lit >> 8*3) & 0xff) ^0x80; + emitpcode(POC_MOVFW, popGet(AOP(left),size)); + emitpcode(POC_ADDLW, popGetLit( 0x80)); + emitpcode(POC_ADDLW, popGetLit(0x100-i)); + genSkipc(&rFalseIfx); - freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(result,NULL,ic,TRUE); -} -/*-----------------------------------------------------------------*/ -/* gencjneshort - compare and jump if not equal */ -/*-----------------------------------------------------------------*/ -static void gencjneshort(operand *left, operand *right, symbol *lbl) -{ - int size = max(AOP_SIZE(left),AOP_SIZE(right)); - int offset = 0; - unsigned long lit = 0L; + if(ifx) ifx->generated = 1; + return; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if the left side is a literal or - if the right is in a pointer register and left - is not */ - if ((AOP_TYPE(left) == AOP_LIT) || - (IS_AOP_PREG(right) && !IS_AOP_PREG(left))) { - operand *t = right; - right = left; - left = t; - } - if(AOP_TYPE(right) == AOP_LIT) - lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); + } - /* if the right side is a literal then anything goes */ - if (AOP_TYPE(right) == AOP_LIT && - AOP_TYPE(left) != AOP_DIR ) { - while (size--) { - if(lit & 0xff) { - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("xorlw","0x%x",lit & 0xff); - } else - pic14_emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE)); + } - emitSKPNZ; - pic14_emitcode("goto","_%05d_DS_",lbl->key+100+labelOffset); - offset++; - lit >>= 8; - } - } - /* if the right side is in a register or in direct space or - if the left is a pointer register & right is not */ - else if (AOP_TYPE(right) == AOP_REG || - AOP_TYPE(right) == AOP_DIR || - (AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) || - (IS_AOP_PREG(left) && !IS_AOP_PREG(right))) { - while (size--) { - if((AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) && - ( (lit & 0xff) != 0)) { - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("xorlw","0x%x",lit & 0xff); - lit >>= 8; - } else - pic14_emitcode("movf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE)); + if(lit & (0x80 << (size*8))) { + /* lit is negative */ + DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit); - emitSKPZ; - pic14_emitcode("goto","_%05d_DS_",lbl->key+100+labelOffset); - offset++; -/* - MOVA(aopGet(AOP(left),offset,FALSE,FALSE)); - if((AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) && - ((unsigned int)((lit >> (offset*8)) & 0x0FFL) == 0)) - pic14_emitcode("jnz","%05d_DS_",lbl->key+100); - else - pic14_emitcode("cjne","a,%s,%05d_DS_", - aopGet(AOP(right),offset,FALSE,TRUE), - lbl->key+100); - offset++; -*/ - } - } else { - /* right is a pointer reg need both a & b */ - while(size--) { - char *l = aopGet(AOP(left),offset,FALSE,FALSE); - if(strcmp(l,"b")) - pic14_emitcode("mov","b,%s",l); - MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("cjne","a,b,%05d_DS_",lbl->key+100); - offset++; - } - } -} + //genSkipCond(&rFalseIfx,left,size,7); -/*-----------------------------------------------------------------*/ -/* gencjne - compare and jump if not equal */ -/*-----------------------------------------------------------------*/ -static void gencjne(operand *left, operand *right, symbol *lbl) -{ - symbol *tlbl = newiTempLabel(NULL); + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0)); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - gencjneshort(left, right, lbl); + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); - pic14_emitcode("mov","a,%s",one); - pic14_emitcode("sjmp","%05d_DS_",tlbl->key+100); - pic14_emitcode("","%05d_DS_:",lbl->key+100); - pic14_emitcode("clr","a"); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); + + } else { + /* lit is positive */ + DEBUGpic14_emitcode(";right lit","line = %d signed compare to 0x%x",__LINE__,lit); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),size,FALSE,FALSE),7,0)); + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + + } + + /* + This works, but is only good for ints. + It also requires a "known zero" register. + emitpcode(POC_MOVLW, popGetLit(mlit & 0xff)); + emitpcode(POC_ADDFW, popGet(AOP(left),0)); + emitpcode(POC_RLFW, popCopyReg(&pc_kzero)); + emitpcode(POC_ADDLW, popGetLit( ((mlit>>8) & 0xff))); + emitpcode(POC_ADDFW, popGet(AOP(left),1)); + genSkipc(&rFalseIfx); + + emitpLabel(truelbl->key); + if(ifx) ifx->generated = 1; + return; + **/ + + /* There are no more special cases, so perform a general compare */ + + emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff)); + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + + while(size--) { + + emitpcode(POC_MOVLW, popGetLit((lit >> (size*8)) & 0xff)); + emitSKPNZ; + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + } + //rFalseIfx.condition ^= 1; + genSkipc(&rFalseIfx); + + emitpLabel(truelbl->key); + + if(ifx) ifx->generated = 1; + return; + + + } + + + /* sign is out of the way. So now do an unsigned compare */ + DEBUGpic14_emitcode(";right lit","line = %d unsigned compare to 0x%x",__LINE__,lit); + + + /* General case - compare to an unsigned literal on the right.*/ + + i = (lit >> (size*8)) & 0xff; + emitpcode(POC_MOVLW, popGetLit(i)); + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + while(size--) { + i = (lit >> (size*8)) & 0xff; + + if(i) { + emitpcode(POC_MOVLW, popGetLit(i)); + emitSKPNZ; + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + } else { + /* this byte of the lit is zero, + *if it's not the last then OR in the variable */ + if(size) + emitpcode(POC_IORFW, popGet(AOP(left),size)); + } + } + + + emitpLabel(lbl->key); + //if(emitFinalCheck) + genSkipc(&rFalseIfx); + if(sign) + emitpLabel(truelbl->key); + + if(ifx) ifx->generated = 1; + return; + + + } +#endif // _swapp + + if(AOP_TYPE(left) == AOP_LIT) { + //symbol *lbl = newiTempLabel(NULL); + + //EXPERIMENTAL lit = (unsigned long)(floatFromVal(AOP(left)->aopu.aop_lit)); + + + DEBUGpic14_emitcode(";left lit","lit = 0x%x,sign=%d",lit,sign); + + /* Special cases */ + if((lit == 0) && (sign == 0)){ + + size--; + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + while(size) + emitpcode(POC_IORFW, popGet(AOP(right),--size)); + + genSkipz2(&rFalseIfx,0); + if(ifx) ifx->generated = 1; + return; + } + + if(size==1) { + /* Special cases */ + lit &= 0xff; + if(((lit == 0xff) && !sign) || ((lit==0x7f) && sign)) { + /* degenerate compare can never be true */ + if(rFalseIfx.condition == 0) + emitpcode(POC_GOTO,popGetLabel(rFalseIfx.lbl->key)); + + if(ifx) ifx->generated = 1; + return; + } + + if(sign) { + /* signed comparisons to a literal byte */ + + int lp1 = (lit+1) & 0xff; + + DEBUGpic14_emitcode(";left lit","line = %d lit = 0x%x",__LINE__,lit); + switch (lp1) { + case 0: + rFalseIfx.condition ^= 1; + genSkipCond(&rFalseIfx,right,0,7); + break; + case 0x7f: + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + emitpcode(POC_XORLW, popGetLit(0x7f)); + genSkipz2(&rFalseIfx,1); + break; + default: + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + emitpcode(POC_ADDLW, popGetLit(0x80)); + emitpcode(POC_ADDLW, popGetLit(((-(lit+1)) & 0xff) ^ 0x80)); + rFalseIfx.condition ^= 1; + genSkipc(&rFalseIfx); + break; + } + } else { + /* unsigned comparisons to a literal byte */ + + switch(lit & 0xff ) { + case 0: + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + genSkipz2(&rFalseIfx,0); + break; + case 0x7f: + rFalseIfx.condition ^= 1; + genSkipCond(&rFalseIfx,right,0,7); + break; + + default: + emitpcode(POC_MOVLW, popGetLit((lit+1) & 0xff)); + emitpcode(POC_SUBFW, popGet(AOP(right),0)); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + rFalseIfx.condition ^= 1; + if (AOP_TYPE(result) == AOP_CRY) + genSkipc(&rFalseIfx); + else { + emitpcode(POC_CLRF, popGet(AOP(result),0)); + emitpcode(POC_RLF, popGet(AOP(result),0)); + } + break; + } + } + + if(ifx) ifx->generated = 1; + //goto check_carry; + return; + + } else { + + /* Size is greater than 1 */ + + if(sign) { + int lp1 = lit+1; + + size--; + + if(lp1 == 0) { + /* this means lit = 0xffffffff, or -1 */ + + + DEBUGpic14_emitcode(";left lit = -1","line = %d ",__LINE__); + rFalseIfx.condition ^= 1; + genSkipCond(&rFalseIfx,right,size,7); + if(ifx) ifx->generated = 1; + return; + } + + if(lit == 0) { + int s = size; + + if(rFalseIfx.condition) { + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0)); + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + } + + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + while(size--) + emitpcode(POC_IORFW, popGet(AOP(right),size)); + + + emitSKPZ; + if(rFalseIfx.condition) { + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + emitpLabel(truelbl->key); + }else { + rFalseIfx.condition ^= 1; + genSkipCond(&rFalseIfx,right,s,7); + } + + if(ifx) ifx->generated = 1; + return; + } + + if((size == 1) && (0 == (lp1&0xff))) { + /* lower byte of signed word is zero */ + DEBUGpic14_emitcode(";left lit","line = %d 0x%x+1 low byte is zero",__LINE__,lit); + i = ((lp1 >> 8) & 0xff) ^0x80; + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + emitpcode(POC_ADDLW, popGetLit( 0x80)); + emitpcode(POC_ADDLW, popGetLit(0x100-i)); + rFalseIfx.condition ^= 1; + genSkipc(&rFalseIfx); + + + if(ifx) ifx->generated = 1; + return; + } + + if(lit & (0x80 << (size*8))) { + /* Lit is less than zero */ + DEBUGpic14_emitcode(";left lit","line = %d 0x%x is less than 0",__LINE__,lit); + //rFalseIfx.condition ^= 1; + //genSkipCond(&rFalseIfx,left,size,7); + //rFalseIfx.condition ^= 1; + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0)); + //emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + + + } else { + /* Lit is greater than or equal to zero */ + DEBUGpic14_emitcode(";left lit","line = %d 0x%x is greater than 0",__LINE__,lit); + //rFalseIfx.condition ^= 1; + //genSkipCond(&rFalseIfx,right,size,7); + //rFalseIfx.condition ^= 1; + + //emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0)); + //emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),size,FALSE,FALSE),7,0)); + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + + } + + + emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 0xff)); + emitpcode(POC_SUBFW, popGet(AOP(right),size)); + + while(size--) { + + emitpcode(POC_MOVLW, popGetLit((lp1 >> (size*8)) & 0xff)); + emitSKPNZ; + emitpcode(POC_SUBFW, popGet(AOP(right),size)); + } + rFalseIfx.condition ^= 1; + //rFalseIfx.condition = 1; + genSkipc(&rFalseIfx); + + emitpLabel(truelbl->key); + + if(ifx) ifx->generated = 1; + return; + // end of if (sign) + } else { + + /* compare word or long to an unsigned literal on the right.*/ + + + size--; + if(lit < 0xff) { + DEBUGpic14_emitcode ("; ***","%s %d lit =0x%x < 0xff",__FUNCTION__,__LINE__,lit); + switch (lit) { + case 0: + break; /* handled above */ +/* + case 0xff: + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + while(size--) + emitpcode(POC_IORFW, popGet(AOP(right),size)); + genSkipz2(&rFalseIfx,0); + break; +*/ + default: + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + while(--size) + emitpcode(POC_IORFW, popGet(AOP(right),size)); + + emitSKPZ; + if(rFalseIfx.condition) + emitpcode(POC_GOTO, popGetLabel(rFalseIfx.lbl->key)); + else + emitpcode(POC_GOTO, popGetLabel(truelbl->key)); + + + emitpcode(POC_MOVLW, popGetLit(lit+1)); + emitpcode(POC_SUBFW, popGet(AOP(right),0)); + + rFalseIfx.condition ^= 1; + genSkipc(&rFalseIfx); + } + + emitpLabel(truelbl->key); + + if(ifx) ifx->generated = 1; + return; + } + + + lit++; + DEBUGpic14_emitcode ("; ***","%s %d lit =0x%x",__FUNCTION__,__LINE__,lit); + i = (lit >> (size*8)) & 0xff; + + emitpcode(POC_MOVLW, popGetLit(i)); + emitpcode(POC_SUBFW, popGet(AOP(right),size)); + + while(size--) { + i = (lit >> (size*8)) & 0xff; + + if(i) { + emitpcode(POC_MOVLW, popGetLit(i)); + emitSKPNZ; + emitpcode(POC_SUBFW, popGet(AOP(right),size)); + } else { + /* this byte of the lit is zero, + *if it's not the last then OR in the variable */ + if(size) + emitpcode(POC_IORFW, popGet(AOP(right),size)); + } + } + + + emitpLabel(lbl->key); + + rFalseIfx.condition ^= 1; + genSkipc(&rFalseIfx); + } + + if(sign) + emitpLabel(truelbl->key); + if(ifx) ifx->generated = 1; + return; + } + } + /* Compare two variables */ + + DEBUGpic14_emitcode(";sign","%d",sign); + + size--; + if(sign) { + /* Sigh. thus sucks... */ + if(size) { + emitpcode(POC_MOVFW, popGet(AOP(left),size)); + emitpcode(POC_MOVWF, popRegFromIdx(Gstack_base_addr)); + emitpcode(POC_MOVLW, popGetLit(0x80)); + emitpcode(POC_XORWF, popRegFromIdx(Gstack_base_addr)); + emitpcode(POC_XORFW, popGet(AOP(right),size)); + emitpcode(POC_SUBFW, popRegFromIdx(Gstack_base_addr)); + } else { + /* Signed char comparison */ + /* Special thanks to Nikolai Golovchenko for this snippet */ + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + emitpcode(POC_SUBFW, popGet(AOP(left),0)); + emitpcode(POC_RRFW, popGet(AOP(left),0)); /* could be any register */ + emitpcode(POC_XORFW, popGet(AOP(left),0)); + emitpcode(POC_XORFW, popGet(AOP(right),0)); + emitpcode(POC_ADDLW, popGetLit(0x80)); + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + genSkipc(&rFalseIfx); + + if(ifx) ifx->generated = 1; + return; + } + + } else { + + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + } + + + /* The rest of the bytes of a multi-byte compare */ + while (size) { + + emitSKPZ; + emitpcode(POC_GOTO, popGetLabel(lbl->key)); + size--; + + emitpcode(POC_MOVFW, popGet(AOP(right),size)); + emitpcode(POC_SUBFW, popGet(AOP(left),size)); + + + } + + emitpLabel(lbl->key); + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if ((AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) || + (AOP_TYPE(result) == AOP_REG)) { + emitpcode(POC_CLRF, popGet(AOP(result),0)); + emitpcode(POC_RLF, popGet(AOP(result),0)); + } else { + genSkipc(&rFalseIfx); + } + //genSkipc(&rFalseIfx); + if(ifx) ifx->generated = 1; + + return; + + } + + // check_carry: + if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) { + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + pic14_outBitC(result); + } else { + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* if the result is used in the next + ifx conditional branch then generate + code a little differently */ + if (ifx ) + genIfxJump (ifx,"c"); + else + pic14_outBitC(result); + /* leave the result in acc */ + } + +} + +/*-----------------------------------------------------------------*/ +/* genCmpGt :- greater than comparison */ +/*-----------------------------------------------------------------*/ +static void genCmpGt (iCode *ic, iCode *ifx) +{ + operand *left, *right, *result; + sym_link *letype , *retype; + int sign ; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + left = IC_LEFT(ic); + right= IC_RIGHT(ic); + result = IC_RESULT(ic); + + letype = getSpec(operandType(left)); + retype =getSpec(operandType(right)); + sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype)); + /* assign the amsops */ + aopOp (left,ic,FALSE); + aopOp (right,ic,FALSE); + aopOp (result,ic,TRUE); + + genCmp(right, left, result, ifx, sign); + + freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(result,NULL,ic,TRUE); +} + +/*-----------------------------------------------------------------*/ +/* genCmpLt - less than comparisons */ +/*-----------------------------------------------------------------*/ +static void genCmpLt (iCode *ic, iCode *ifx) +{ + operand *left, *right, *result; + sym_link *letype , *retype; + int sign ; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + left = IC_LEFT(ic); + right= IC_RIGHT(ic); + result = IC_RESULT(ic); + + letype = getSpec(operandType(left)); + retype =getSpec(operandType(right)); + sign = !(SPEC_USIGN(letype) | SPEC_USIGN(retype)); + + /* assign the amsops */ + aopOp (left,ic,FALSE); + aopOp (right,ic,FALSE); + aopOp (result,ic,TRUE); + + genCmp(left, right, result, ifx, sign); + + freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(result,NULL,ic,TRUE); +} + +/*-----------------------------------------------------------------*/ +/* genc16bit2lit - compare a 16 bit value to a literal */ +/*-----------------------------------------------------------------*/ +static void genc16bit2lit(operand *op, int lit, int offset) +{ + int i; + + DEBUGpic14_emitcode ("; ***","%s %d, lit = %d",__FUNCTION__,__LINE__,lit); + if( (lit&0xff) == 0) + i=1; + else + i=0; + + switch( BYTEofLONG(lit,i)) { + case 0: + emitpcode(POC_MOVFW,popGet(AOP(op),offset+i)); + break; + case 1: + emitpcode(POC_DECFW,popGet(AOP(op),offset+i)); + break; + case 0xff: + emitpcode(POC_INCFW,popGet(AOP(op),offset+i)); + break; + default: + emitpcode(POC_MOVFW,popGet(AOP(op),offset+i)); + emitpcode(POC_XORLW,popGetLit(BYTEofLONG(lit,i))); + } + + i ^= 1; + + switch( BYTEofLONG(lit,i)) { + case 0: + emitpcode(POC_IORFW,popGet(AOP(op),offset+i)); + break; + case 1: + emitSKPNZ; + emitpcode(POC_DECFW,popGet(AOP(op),offset+i)); + break; + case 0xff: + emitSKPNZ; + emitpcode(POC_INCFW,popGet(AOP(op),offset+i)); + break; + default: + emitpcode(POC_MOVLW,popGetLit(BYTEofLONG(lit,i))); + emitSKPNZ; + emitpcode(POC_XORFW,popGet(AOP(op),offset+i)); + + } + +} + +/*-----------------------------------------------------------------*/ +/* gencjneshort - compare and jump if not equal */ +/*-----------------------------------------------------------------*/ +static void gencjne(operand *left, operand *right, operand *result, iCode *ifx) +{ + int size = max(AOP_SIZE(left),AOP_SIZE(right)); + int offset = 0; + int res_offset = 0; /* the result may be a different size then left or right */ + int res_size = AOP_SIZE(result); + resolvedIfx rIfx; + symbol *lbl; + + unsigned long lit = 0L; + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_AopType(__LINE__,left,right,result); + if(result) + DEBUGpic14_emitcode ("; ***","%s %d result is not null",__FUNCTION__,__LINE__); + resolveIfx(&rIfx,ifx); + lbl = newiTempLabel(NULL); + + + /* if the left side is a literal or + if the right is in a pointer register and left + is not */ + if ((AOP_TYPE(left) == AOP_LIT) || + (IS_AOP_PREG(right) && !IS_AOP_PREG(left))) { + operand *t = right; + right = left; + left = t; + } + if(AOP_TYPE(right) == AOP_LIT) + lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); + + /* if the right side is a literal then anything goes */ + if (AOP_TYPE(right) == AOP_LIT && + AOP_TYPE(left) != AOP_DIR ) { + switch(size) { + case 2: + genc16bit2lit(left, lit, 0); + emitSKPNZ; + emitpcode(POC_GOTO,popGetLabel(lbl->key)); + break; + default: + while (size--) { + if(lit & 0xff) { + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_XORLW,popGetLit(lit & 0xff)); + } else { + emitpcode(POC_MOVF,popGet(AOP(left),offset)); + } + + emitSKPNZ; + emitpcode(POC_GOTO,popGetLabel(lbl->key)); + offset++; + if(res_offset < res_size-1) + res_offset++; + lit >>= 8; + } + break; + } + } + + /* if the right side is in a register or in direct space or + if the left is a pointer register & right is not */ + else if (AOP_TYPE(right) == AOP_REG || + AOP_TYPE(right) == AOP_DIR || + (AOP_TYPE(left) == AOP_DIR && AOP_TYPE(right) == AOP_LIT) || + (IS_AOP_PREG(left) && !IS_AOP_PREG(right))) { + //int lbl_key = (rIfx.condition) ? rIfx.lbl->key : lbl->key; + int lbl_key = lbl->key; + + if(result) { + emitpcode(POC_CLRF,popGet(AOP(result),res_offset)); + //emitpcode(POC_INCF,popGet(AOP(result),res_offset)); + }else { + DEBUGpic14_emitcode ("; ***","%s %d -- ERROR",__FUNCTION__,__LINE__); + fprintf(stderr, "%s %d error - expecting result to be non_null\n", + __FUNCTION__,__LINE__); + return; + } + +/* switch(size) { */ +/* case 2: */ +/* genc16bit2lit(left, lit, 0); */ +/* emitSKPNZ; */ +/* emitpcode(POC_GOTO,popGetLabel(lbl->key)); */ +/* break; */ +/* default: */ + while (size--) { + int emit_skip=1; + if((AOP_TYPE(left) == AOP_DIR) && + ((AOP_TYPE(right) == AOP_REG) || (AOP_TYPE(right) == AOP_DIR))) { + + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_XORFW,popGet(AOP(right),offset)); + + } else if((AOP_TYPE(left) == AOP_DIR) && (AOP_TYPE(right) == AOP_LIT)){ + + switch (lit & 0xff) { + case 0: + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + break; + case 1: + emitpcode(POC_DECFSZW,popGet(AOP(left),offset)); + emitpcode(POC_INCF,popGet(AOP(result),res_offset)); + //emitpcode(POC_GOTO,popGetLabel(lbl->key)); + emit_skip=0; + break; + case 0xff: + emitpcode(POC_INCFSZW,popGet(AOP(left),offset)); + //emitpcode(POC_INCF,popGet(AOP(result),res_offset)); + //emitpcode(POC_INCFSZW,popGet(AOP(left),offset)); + emitpcode(POC_GOTO,popGetLabel(lbl_key)); + emit_skip=0; + break; + default: + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_XORLW,popGetLit(lit & 0xff)); + } + lit >>= 8; + + } else { + emitpcode(POC_MOVF,popGet(AOP(left),offset)); + } + if(emit_skip) { + if(AOP_TYPE(result) == AOP_CRY) { + pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__); + if(rIfx.condition) + emitSKPNZ; + else + emitSKPZ; + emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key)); + } else { + /* fix me. probably need to check result size too */ + //emitpcode(POC_CLRF,popGet(AOP(result),0)); + if(rIfx.condition) + emitSKPZ; + else + emitSKPNZ; + emitpcode(POC_GOTO,popGetLabel(lbl_key)); + //emitpcode(POC_INCF,popGet(AOP(result),res_offset)); + } + if(ifx) + ifx->generated=1; + } + emit_skip++; + offset++; + if(res_offset < res_size-1) + res_offset++; + } +/* break; */ +/* } */ + } else if(AOP_TYPE(right) == AOP_REG && + AOP_TYPE(left) != AOP_DIR){ + + while(size--) { + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_XORFW,popGet(AOP(right),offset)); + pic14_emitcode(";***","%s %d",__FUNCTION__,__LINE__); + if(rIfx.condition) + emitSKPNZ; + else + emitSKPZ; + emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key)); + offset++; + if(res_offset < res_size-1) + res_offset++; + } + + }else{ + /* right is a pointer reg need both a & b */ + while(size--) { + char *l = aopGet(AOP(left),offset,FALSE,FALSE); + if(strcmp(l,"b")) + pic14_emitcode("mov","b,%s",l); + MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("cjne","a,b,%05d_DS_",lbl->key+100); + offset++; + } + } + + emitpcode(POC_INCF,popGet(AOP(result),res_offset)); + if(!rIfx.condition) + emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key)); + + emitpLabel(lbl->key); + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + if(ifx) + ifx->generated = 1; } +#if 0 +/*-----------------------------------------------------------------*/ +/* gencjne - compare and jump if not equal */ +/*-----------------------------------------------------------------*/ +static void gencjne(operand *left, operand *right, iCode *ifx) +{ + symbol *tlbl = newiTempLabel(NULL); + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + gencjneshort(left, right, lbl); + + pic14_emitcode("mov","a,%s",one); + pic14_emitcode("sjmp","%05d_DS_",tlbl->key+100); + pic14_emitcode("","%05d_DS_:",lbl->key+100); + pic14_emitcode("clr","a"); + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + + emitpLabel(lbl->key); + emitpLabel(tlbl->key); + +} +#endif /*-----------------------------------------------------------------*/ /* genCmpEq - generates code for equal to */ @@ -3667,6 +4733,7 @@ static void genCmpEq (iCode *ic, iCode *ifx) int size,offset=0; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if(ifx) DEBUGpic14_emitcode ("; ifx is non-null",""); else @@ -3678,23 +4745,26 @@ static void genCmpEq (iCode *ic, iCode *ifx) size = max(AOP_SIZE(left),AOP_SIZE(right)); + DEBUGpic14_AopType(__LINE__,left,right,result); + /* if literal, literal on the right or if the right is in a pointer register and left is not */ if ((AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) || (IS_AOP_PREG(right) && !IS_AOP_PREG(left))) { - operand *t = IC_RIGHT(ic); - IC_RIGHT(ic) = IC_LEFT(ic); - IC_LEFT(ic) = t; + operand *tmp = right ; + right = left; + left = tmp; } + if(ifx && !AOP_SIZE(result)){ symbol *tlbl; /* if they are both bit variables */ if (AOP_TYPE(left) == AOP_CRY && ((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) { if(AOP_TYPE(right) == AOP_LIT){ - unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit); + unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); if(lit == 0L){ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); pic14_emitcode("cpl","c"); @@ -3722,188 +4792,112 @@ static void genCmpEq (iCode *ic, iCode *ifx) pic14_emitcode("ljmp","%05d_DS_",IC_FALSE(ifx)->key+100); } pic14_emitcode("","%05d_DS_:",tlbl->key+100+labelOffset); + + { + /* left and right are both bit variables, result is carry */ + resolvedIfx rIfx; + + resolveIfx(&rIfx,ifx); + + emitpcode(POC_MOVLW,popGet(AOP(left),0)); + emitpcode(POC_ANDFW,popGet(AOP(left),0)); + emitpcode(POC_BTFSC,popGet(AOP(right),0)); + emitpcode(POC_ANDLW,popGet(AOP(left),0)); + genSkipz2(&rIfx,0); + } } else { /* They're not both bit variables. Is the right a literal? */ if(AOP_TYPE(right) == AOP_LIT) { - lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); - while (size--) { - - if(size >= 1) { - int l = lit & 0xff; - int h = (lit>>8) & 0xff; - int optimized=0; - - /* Check special cases for integers */ - switch(lit & 0xffff) { - case 0x0000: - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - //pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - //pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - genSkip(ifx,'z'); - optimized++; - break; - case 0x0001: - emitpcode(POC_DECFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - genSkip(ifx,'z'); - optimized++; - break; - case 0x0100: - emitpcode(POC_DECFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - genSkip(ifx,'z'); - optimized++; - break; - case 0x00ff: - emitpcode(POC_INCFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - genSkip(ifx,'z'); - optimized++; - break; - case 0xff00: - emitpcode(POC_INCFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - genSkip(ifx,'z'); - optimized++; - break; - default: - if(h == 0) { - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_XORLW,popGetLit(l)); - emitpcode(POC_IORFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("xorlw","0x%x",l); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - optimized++; - genSkip(ifx,'z'); - } else if (l == 0) { - emitpcode(POC_MOVFW,popGet(AOP(left),offset+1,FALSE,FALSE)); - emitpcode(POC_XORLW,popGetLit(h)); - emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE)); - - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); - pic14_emitcode("xorlw","0x%x",h); - pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - optimized++; - genSkip(ifx,'z'); - } else { - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_XORLW,popGetLit(l)); - emitpcode(POC_MOVLW,popGetLit(h)); - emitSKPZ; - emitpcode(POC_XORFW,popGet(AOP(left),offset+1,FALSE,FALSE)); -/* - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("xorlw","0x%x",l); - pic14_emitcode("movlw","0x%x",h); - emitSKPZ; - pic14_emitcode("xorwf","%s,w",aopGet(AOP(left),offset+1,FALSE,FALSE)); -*/ - optimized++; - genSkip(ifx,'z'); - } - - } - if(optimized) { - size--; - offset+=2; - lit>>=16; + + switch(size) { - continue; - } - - } - + case 1: switch(lit & 0xff) { case 1: if ( IC_TRUE(ifx) ) { - - pic14_emitcode("decf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - - emitpcode(POC_DECFW,popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_DECFW,popGet(AOP(left),offset)); emitSKPNZ; emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key)); - - pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset); } else { - emitpcode(POC_DECFSZW,popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_DECFSZW,popGet(AOP(left),offset)); emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key)); - - pic14_emitcode("decfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset); } break; case 0xff: if ( IC_TRUE(ifx) ) { - pic14_emitcode("incf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - - emitpcode(POC_INCFW,popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_INCFW,popGet(AOP(left),offset)); emitSKPNZ; emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key)); - - pic14_emitcode("goto","_%05d_DS_",IC_TRUE(ifx)->key+100+labelOffset); } else { - emitpcode(POC_INCFSZW,popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_INCFSZW,popGet(AOP(left),offset)); emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ifx)->key)); - - pic14_emitcode("incfsz","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("goto","_%05d_DS_",IC_FALSE(ifx)->key+100+labelOffset); } break; default: - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); - //pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); if(lit) emitpcode(POC_XORLW,popGetLit(lit & 0xff)); - //pic14_emitcode("xorlw","0x%x",lit & 0xff); genSkip(ifx,'z'); } - // pic14_emitcode("goto","_%05d_DS_",tlbl->key+100+labelOffset); - //pic14_emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset); - offset++; - lit >>= 8; + /* end of size == 1 */ + break; + + case 2: + genc16bit2lit(left,lit,offset); + genSkip(ifx,'z'); + break; + /* end of size == 2 */ + + default: + /* size is 4 */ + if(lit==0) { + emitpcode(POC_MOVFW,popGet(AOP(left),0)); + emitpcode(POC_IORFW,popGet(AOP(left),1)); + emitpcode(POC_IORFW,popGet(AOP(left),2)); + emitpcode(POC_IORFW,popGet(AOP(left),3)); + + } else { + + /* search for patterns that can be optimized */ + + genc16bit2lit(left,lit,0); + lit >>= 16; + if(lit) { + genSkipz(ifx,IC_TRUE(ifx) == NULL); + //genSkip(ifx,'z'); + genc16bit2lit(left,lit,2); + } else { + emitpcode(POC_IORFW,popGet(AOP(left),2)); + emitpcode(POC_IORFW,popGet(AOP(left),3)); + + } + + } + + genSkip(ifx,'z'); } + + ifx->generated = 1; + goto release ; + } else if(AOP_TYPE(right) == AOP_CRY ) { /* we know the left is not a bit, but that the right is */ - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); emitpcode( ( (IC_TRUE(ifx)) ? POC_BTFSC : POC_BTFSS), - popGet(AOP(right),offset,FALSE,FALSE)); + popGet(AOP(right),offset)); emitpcode(POC_XORLW,popGetLit(1)); - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - if ( IC_TRUE(ifx) ) - pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - else - pic14_emitcode("btfss","(%s >> 3), (%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - - pic14_emitcode("xorlw","1"); - /* if the two are equal, then W will be 0 and the Z bit is set * we could test Z now, or go ahead and check the high order bytes if * the variable we're comparing is larger than a byte. */ while(--size) - emitpcode(POC_IORFW,popGet(AOP(left),offset,FALSE,FALSE)); - //pic14_emitcode("iorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_IORFW,popGet(AOP(left),offset)); if ( IC_TRUE(ifx) ) { emitSKPNZ; @@ -3922,11 +4916,8 @@ static void genCmpEq (iCode *ic, iCode *ifx) tlbl = newiTempLabel(NULL); while(size--) { - emitpcode(POC_MOVFW,popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_XORFW,popGet(AOP(right),offset,FALSE,FALSE)); - - pic14_emitcode("movf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_XORFW,popGet(AOP(right),offset)); if ( IC_TRUE(ifx) ) { if(size) { @@ -3946,7 +4937,7 @@ static void genCmpEq (iCode *ic, iCode *ifx) offset++; } if(s>1 && IC_TRUE(ifx)) { - emitpLabel(tlbl->key+100+labelOffset); + emitpLabel(tlbl->key); pic14_emitcode("","_%05d_DS_:",tlbl->key+100+labelOffset); } } @@ -3960,7 +4951,7 @@ static void genCmpEq (iCode *ic, iCode *ifx) if (AOP_TYPE(left) == AOP_CRY && ((AOP_TYPE(right) == AOP_CRY) || (AOP_TYPE(right) == AOP_LIT))) { if(AOP_TYPE(right) == AOP_LIT){ - unsigned long lit = (unsigned long)floatFromVal(AOP(IC_RIGHT(ic))->aopu.aop_lit); + unsigned long lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); if(lit == 0L){ pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); pic14_emitcode("cpl","c"); @@ -3990,20 +4981,37 @@ static void genCmpEq (iCode *ic, iCode *ifx) then put the result in place */ pic14_outBitC(result); } else { - gencjne(left,right,newiTempLabel(NULL)); - if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) { - aopPut(AOP(result),"a",0); - goto release ; - } - if (ifx) { - genIfxJump (ifx,"a"); - goto release ; - } - /* if the result is used in an arithmetic operation - then put the result in place */ - if (AOP_TYPE(result) != AOP_CRY) - pic14_outAcc(result); - /* leave the result in acc */ + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + gencjne(left,right,result,ifx); +/* + if(ifx) + gencjne(left,right,newiTempLabel(NULL)); + else { + if(IC_TRUE(ifx)->key) + gencjne(left,right,IC_TRUE(ifx)->key); + else + gencjne(left,right,IC_FALSE(ifx)->key); + ifx->generated = 1; + goto release ; + } + if (AOP_TYPE(result) == AOP_CRY && AOP_SIZE(result)) { + aopPut(AOP(result),"a",0); + goto release ; + } + + if (ifx) { + genIfxJump (ifx,"a"); + goto release ; + } +*/ + /* if the result is used in an arithmetic operation + then put the result in place */ +/* + if (AOP_TYPE(result) != AOP_CRY) + pic14_outAcc(result); +*/ + /* leave the result in acc */ } release: @@ -4031,6 +5039,28 @@ static iCode *ifxForOp ( operand *op, iCode *ic ) OP_SYMBOL(op)->liveTo <= ic->next->seq ) return ic->next; + if (ic->next && + ic->next->op == IFX && + IC_COND(ic->next)->key == op->key) { + DEBUGpic14_emitcode ("; WARNING ","%d IGNORING liveTo range in %s",__LINE__,__FUNCTION__); + return ic->next; + } + + DEBUGpic14_emitcode ("; NULL :(","%d",__LINE__); + if (ic->next && + ic->next->op == IFX) + DEBUGpic14_emitcode ("; ic-next"," is an IFX"); + + if (ic->next && + ic->next->op == IFX && + IC_COND(ic->next)->key == op->key) { + DEBUGpic14_emitcode ("; "," key is okay"); + DEBUGpic14_emitcode ("; "," key liveTo %d, next->seq = %d", + OP_SYMBOL(op)->liveTo, + ic->next->seq); + } + + return NULL; } /*-----------------------------------------------------------------*/ @@ -4039,7 +5069,7 @@ static iCode *ifxForOp ( operand *op, iCode *ic ) static void genAndOp (iCode *ic) { operand *left,*right, *result; - symbol *tlbl; +/* symbol *tlbl; */ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); /* note here that && operations that are in an @@ -4049,20 +5079,26 @@ static void genAndOp (iCode *ic) aopOp((right=IC_RIGHT(ic)),ic,FALSE); aopOp((result=IC_RESULT(ic)),ic,FALSE); + DEBUGpic14_AopType(__LINE__,left,right,result); + + emitpcode(POC_MOVFW,popGet(AOP(left),0)); + emitpcode(POC_ANDFW,popGet(AOP(right),0)); + emitpcode(POC_MOVWF,popGet(AOP(result),0)); + /* if both are bit variables */ - if (AOP_TYPE(left) == AOP_CRY && - AOP_TYPE(right) == AOP_CRY ) { - pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); - pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir); - pic14_outBitC(result); - } else { - tlbl = newiTempLabel(NULL); - pic14_toBoolean(left); - pic14_emitcode("jz","%05d_DS_",tlbl->key+100); - pic14_toBoolean(right); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_outBitAcc(result); - } +/* if (AOP_TYPE(left) == AOP_CRY && */ +/* AOP_TYPE(right) == AOP_CRY ) { */ +/* pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); */ +/* pic14_emitcode("anl","c,%s",AOP(right)->aopu.aop_dir); */ +/* pic14_outBitC(result); */ +/* } else { */ +/* tlbl = newiTempLabel(NULL); */ +/* pic14_toBoolean(left); */ +/* pic14_emitcode("jz","%05d_DS_",tlbl->key+100); */ +/* pic14_toBoolean(right); */ +/* pic14_emitcode("","%05d_DS_:",tlbl->key+100); */ +/* pic14_outBitAcc(result); */ +/* } */ freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); @@ -4091,6 +5127,8 @@ static void genOrOp (iCode *ic) aopOp((right=IC_RIGHT(ic)),ic,FALSE); aopOp((result=IC_RESULT(ic)),ic,FALSE); + DEBUGpic14_AopType(__LINE__,left,right,result); + /* if both are bit variables */ if (AOP_TYPE(left) == AOP_CRY && AOP_TYPE(right) == AOP_CRY ) { @@ -4188,258 +5226,284 @@ static void jmpTrueOrFalse (iCode *ic, symbol *tlbl) /*-----------------------------------------------------------------*/ static void genAnd (iCode *ic, iCode *ifx) { - operand *left, *right, *result; - int size, offset=0; - unsigned long lit = 0L; - int bytelit = 0; - char buffer[10]; - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp((left = IC_LEFT(ic)),ic,FALSE); - aopOp((right= IC_RIGHT(ic)),ic,FALSE); - aopOp((result=IC_RESULT(ic)),ic,TRUE); + operand *left, *right, *result; + int size, offset=0; + unsigned long lit = 0L; + int bytelit = 0; + resolvedIfx rIfx; -#ifdef DEBUG_TYPE - pic14_emitcode("","; Type res[%d] = l[%d]&r[%d]", - AOP_TYPE(result), - AOP_TYPE(left), AOP_TYPE(right)); - pic14_emitcode("","; Size res[%d] = l[%d]&r[%d]", - AOP_SIZE(result), - AOP_SIZE(left), AOP_SIZE(right)); -#endif - /* if left is a literal & right is not then exchange them */ - if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) || - AOP_NEEDSACC(left)) { - operand *tmp = right ; - right = left; - left = tmp; - } + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + aopOp((left = IC_LEFT(ic)),ic,FALSE); + aopOp((right= IC_RIGHT(ic)),ic,FALSE); + aopOp((result=IC_RESULT(ic)),ic,TRUE); + + resolveIfx(&rIfx,ifx); + + /* if left is a literal & right is not then exchange them */ + if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) || + AOP_NEEDSACC(left)) { + operand *tmp = right ; + right = left; + left = tmp; + } - /* if result = right then exchange them */ - if(pic14_sameRegs(AOP(result),AOP(right))){ - operand *tmp = right ; - right = left; - left = tmp; - } + /* if result = right then exchange them */ + if(pic14_sameRegs(AOP(result),AOP(right))){ + operand *tmp = right ; + right = left; + left = tmp; + } - /* if right is bit then exchange them */ - if (AOP_TYPE(right) == AOP_CRY && - AOP_TYPE(left) != AOP_CRY){ - operand *tmp = right ; - right = left; - left = tmp; - } - if(AOP_TYPE(right) == AOP_LIT) - lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit); + /* if right is bit then exchange them */ + if (AOP_TYPE(right) == AOP_CRY && + AOP_TYPE(left) != AOP_CRY){ + operand *tmp = right ; + right = left; + left = tmp; + } + if(AOP_TYPE(right) == AOP_LIT) + lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit); - size = AOP_SIZE(result); + size = AOP_SIZE(result); - // if(bit & yy) - // result = bit & yy; - if (AOP_TYPE(left) == AOP_CRY){ - // c = bit & literal; - if(AOP_TYPE(right) == AOP_LIT){ - if(lit & 1) { - if(size && pic14_sameRegs(AOP(result),AOP(left))) - // no change - goto release; - pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); - } else { - // bit(result) = 0; - if(size && (AOP_TYPE(result) == AOP_CRY)){ - pic14_emitcode("clr","%s",AOP(result)->aopu.aop_dir); - goto release; - } - if((AOP_TYPE(result) == AOP_CRY) && ifx){ - jumpIfTrue(ifx); - goto release; - } - pic14_emitcode("clr","c"); - } - } else { - if (AOP_TYPE(right) == AOP_CRY){ - // c = bit & bit; - pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir); - pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir); - } else { - // c = bit & val; - MOVA(aopGet(AOP(right),0,FALSE,FALSE)); - // c = lsb - pic14_emitcode("rrc","a"); - pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir); - } - } - // bit = c - // val = c - if(size) - pic14_outBitC(result); - // if(bit & ...) - else if((AOP_TYPE(result) == AOP_CRY) && ifx) - genIfxJump(ifx, "c"); - goto release ; + DEBUGpic14_AopType(__LINE__,left,right,result); + + // if(bit & yy) + // result = bit & yy; + if (AOP_TYPE(left) == AOP_CRY){ + // c = bit & literal; + if(AOP_TYPE(right) == AOP_LIT){ + if(lit & 1) { + if(size && pic14_sameRegs(AOP(result),AOP(left))) + // no change + goto release; + pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); + } else { + // bit(result) = 0; + if(size && (AOP_TYPE(result) == AOP_CRY)){ + pic14_emitcode("clr","%s",AOP(result)->aopu.aop_dir); + goto release; + } + if((AOP_TYPE(result) == AOP_CRY) && ifx){ + jumpIfTrue(ifx); + goto release; + } + pic14_emitcode("clr","c"); + } + } else { + if (AOP_TYPE(right) == AOP_CRY){ + // c = bit & bit; + pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir); + pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir); + } else { + // c = bit & val; + MOVA(aopGet(AOP(right),0,FALSE,FALSE)); + // c = lsb + pic14_emitcode("rrc","a"); + pic14_emitcode("anl","c,%s",AOP(left)->aopu.aop_dir); + } } + // bit = c + // val = c + if(size) + pic14_outBitC(result); + // if(bit & ...) + else if((AOP_TYPE(result) == AOP_CRY) && ifx) + genIfxJump(ifx, "c"); + goto release ; + } - // if(val & 0xZZ) - size = 0, ifx != FALSE - - // bit = val & 0xZZ - size = 1, ifx = FALSE - - if((AOP_TYPE(right) == AOP_LIT) && - (AOP_TYPE(result) == AOP_CRY) && - (AOP_TYPE(left) != AOP_CRY)){ - int posbit = isLiteralBit(lit); - /* left & 2^n */ - if(posbit){ - posbit--; - MOVA(aopGet(AOP(left),posbit>>3,FALSE,FALSE)); - // bit = left & 2^n - if(size) - pic14_emitcode("mov","c,acc.%d",posbit&0x07); - // if(left & 2^n) - else{ - if(ifx){ - sprintf(buffer,"acc.%d",posbit&0x07); - genIfxJump(ifx, buffer); - } - goto release; - } - } else { - symbol *tlbl = newiTempLabel(NULL); - int sizel = AOP_SIZE(left); - if(size) - pic14_emitcode("setb","c"); - while(sizel--){ - if((bytelit = ((lit >> (offset*8)) & 0x0FFL)) != 0x0L){ - MOVA( aopGet(AOP(left),offset,FALSE,FALSE)); - // byte == 2^n ? - if((posbit = isLiteralBit(bytelit)) != 0) - pic14_emitcode("jb","acc.%d,%05d_DS_",(posbit-1)&0x07,tlbl->key+100); - else{ - if(bytelit != 0x0FFL) - pic14_emitcode("anl","a,%s", - aopGet(AOP(right),offset,FALSE,TRUE)); - pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); - } - } - offset++; - } - // bit = left & literal - if(size){ - pic14_emitcode("clr","c"); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - } - // if(left & literal) - else{ - if(ifx) - jmpTrueOrFalse(ifx, tlbl); - goto release ; - } - } - pic14_outBitC(result); - goto release ; + // if(val & 0xZZ) - size = 0, ifx != FALSE - + // bit = val & 0xZZ - size = 1, ifx = FALSE - + if((AOP_TYPE(right) == AOP_LIT) && + (AOP_TYPE(result) == AOP_CRY) && + (AOP_TYPE(left) != AOP_CRY)){ + int posbit = isLiteralBit(lit); + /* left & 2^n */ + if(posbit){ + posbit--; + //MOVA(aopGet(AOP(left),posbit>>3,FALSE,FALSE)); + // bit = left & 2^n + if(size) + pic14_emitcode("mov","c,acc.%d",posbit&0x07); + // if(left & 2^n) + else{ + if(ifx){ +/* + if(IC_TRUE(ifx)) { + emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0)); + emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ic)->key)); + } else { + emitpcode(POC_BTFSS,newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0)); + emitpcode(POC_GOTO,popGetLabel(IC_FALSE(ic)->key)); + } +*/ + emitpcode(((rIfx.condition) ? POC_BTFSC : POC_BTFSS), + newpCodeOpBit(aopGet(AOP(left),0,FALSE,FALSE),posbit,0)); + emitpcode(POC_GOTO,popGetLabel(rIfx.lbl->key)); + + ifx->generated = 1; + } + goto release; + } + } else { + symbol *tlbl = newiTempLabel(NULL); + int sizel = AOP_SIZE(left); + if(size) + pic14_emitcode("setb","c"); + while(sizel--){ + if((bytelit = ((lit >> (offset*8)) & 0x0FFL)) != 0x0L){ + MOVA( aopGet(AOP(left),offset,FALSE,FALSE)); + // byte == 2^n ? + if((posbit = isLiteralBit(bytelit)) != 0) + pic14_emitcode("jb","acc.%d,%05d_DS_",(posbit-1)&0x07,tlbl->key+100); + else{ + if(bytelit != 0x0FFL) + pic14_emitcode("anl","a,%s", + aopGet(AOP(right),offset,FALSE,TRUE)); + pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); + } + } + offset++; + } + // bit = left & literal + if(size){ + pic14_emitcode("clr","c"); + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + } + // if(left & literal) + else{ + if(ifx) + jmpTrueOrFalse(ifx, tlbl); + goto release ; + } } + pic14_outBitC(result); + goto release ; + } - /* if left is same as result */ - if(pic14_sameRegs(AOP(result),AOP(left))){ - for(;size--; offset++,lit>>=8) { + /* if left is same as result */ + if(pic14_sameRegs(AOP(result),AOP(left))){ + int know_W = -1; + for(;size--; offset++,lit>>=8) { + if(AOP_TYPE(right) == AOP_LIT){ + switch(lit & 0xff) { + case 0x00: + /* and'ing with 0 has clears the result */ + pic14_emitcode("clrf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_CLRF,popGet(AOP(result),offset)); + break; + case 0xff: + /* and'ing with 0xff is a nop when the result and left are the same */ + break; + + default: + { + int p = my_powof2( (~lit) & 0xff ); + if(p>=0) { + /* only one bit is set in the literal, so use a bcf instruction */ + pic14_emitcode("bcf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p); + emitpcode(POC_BCF,newpCodeOpBit(aopGet(AOP(left),offset,FALSE,FALSE),p,0)); + + } else { + pic14_emitcode("movlw","0x%x", (lit & 0xff)); + pic14_emitcode("andwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE)); + if(know_W != (lit&0xff)) + emitpcode(POC_MOVLW, popGetLit(lit & 0xff)); + know_W = lit &0xff; + emitpcode(POC_ANDWF,popGet(AOP(left),offset)); + } + } + } + } else { + if (AOP_TYPE(left) == AOP_ACC) { + emitpcode(POC_ANDFW,popGet(AOP(right),offset)); + } else { + emitpcode(POC_MOVFW,popGet(AOP(right),offset)); + emitpcode(POC_ANDWF,popGet(AOP(left),offset)); + + } + } + } + + } else { + // left & result in different registers + if(AOP_TYPE(result) == AOP_CRY){ + // result = bit + // if(size), result in bit + // if(!size && ifx), conditional oper: if(left & right) + symbol *tlbl = newiTempLabel(NULL); + int sizer = min(AOP_SIZE(left),AOP_SIZE(right)); + if(size) + pic14_emitcode("setb","c"); + while(sizer--){ + MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("anl","a,%s", + aopGet(AOP(left),offset,FALSE,FALSE)); + pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); + offset++; + } + if(size){ + CLRC; + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + pic14_outBitC(result); + } else if(ifx) + jmpTrueOrFalse(ifx, tlbl); + } else { + for(;(size--);offset++) { + // normal case + // result = left & right if(AOP_TYPE(right) == AOP_LIT){ - switch(lit & 0xff) { + int t = (lit >> (offset*8)) & 0x0FFL; + switch(t) { case 0x00: - /* and'ing with 0 has clears the result */ - pic14_emitcode("clrf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); + pic14_emitcode("clrf","%s", + aopGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_CLRF,popGet(AOP(result),offset)); break; case 0xff: - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("movf","%s,w", + aopGet(AOP(left),offset,FALSE,FALSE)); + pic14_emitcode("movwf","%s", + aopGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); break; - default: - { - int p = my_powof2( (~lit) & 0xff ); - if(p>=0) { - /* only one bit is set in the literal, so use a bcf instruction */ - pic14_emitcode("bcf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p); - } else { - pic14_emitcode("movlw","0x%x", (lit & 0xff)); - pic14_emitcode("andwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p); - } - } - } - } else { - if (AOP_TYPE(left) == AOP_ACC) - pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - else { - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE)); - + pic14_emitcode("movlw","0x%x",t); + pic14_emitcode("andwf","%s,w", + aopGet(AOP(left),offset,FALSE,FALSE)); + pic14_emitcode("movwf","%s", + aopGet(AOP(result),offset,FALSE,FALSE)); + + emitpcode(POC_MOVLW, popGetLit(t)); + emitpcode(POC_ANDFW,popGet(AOP(left),offset)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); } + continue; } - } - } else { - // left & result in different registers - if(AOP_TYPE(result) == AOP_CRY){ - // result = bit - // if(size), result in bit - // if(!size && ifx), conditional oper: if(left & right) - symbol *tlbl = newiTempLabel(NULL); - int sizer = min(AOP_SIZE(left),AOP_SIZE(right)); - if(size) - pic14_emitcode("setb","c"); - while(sizer--){ - MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("anl","a,%s", - aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); - offset++; - } - if(size){ - CLRC; - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_outBitC(result); - } else if(ifx) - jmpTrueOrFalse(ifx, tlbl); - } else { - for(;(size--);offset++) { - // normal case - // result = left & right - if(AOP_TYPE(right) == AOP_LIT){ - int t = (lit >> (offset*8)) & 0x0FFL; - switch(t) { - case 0x00: - pic14_emitcode("clrf","%s", - aopGet(AOP(result),offset,FALSE,FALSE)); - break; - case 0xff: - pic14_emitcode("movf","%s,w", - aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s", - aopGet(AOP(result),offset,FALSE,FALSE)); - break; - default: - pic14_emitcode("movlw","0x%x",t); - pic14_emitcode("andwf","%s,w", + if (AOP_TYPE(left) == AOP_ACC) { + pic14_emitcode("andwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + emitpcode(POC_ANDFW,popGet(AOP(right),offset)); + } else { + pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("andwf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s", - aopGet(AOP(result),offset,FALSE,FALSE)); - - } - continue; - } - - if (AOP_TYPE(left) == AOP_ACC) - pic14_emitcode("andwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - else { - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("andwf","%s,w", - aopGet(AOP(left),offset,FALSE,FALSE)); - } - pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); - } + emitpcode(POC_MOVFW,popGet(AOP(right),offset)); + emitpcode(POC_ANDFW,popGet(AOP(left),offset)); } + pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); + } } + } -release : + release : freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(result,NULL,ic,TRUE); + freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -4457,6 +5521,7 @@ static void genOr (iCode *ic, iCode *ifx) aopOp((right= IC_RIGHT(ic)),ic,FALSE); aopOp((result=IC_RESULT(ic)),ic,TRUE); + DEBUGpic14_AopType(__LINE__,left,right,result); /* if left is a literal & right is not then exchange them */ if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) || @@ -4481,6 +5546,8 @@ static void genOr (iCode *ic, iCode *ifx) left = tmp; } + DEBUGpic14_AopType(__LINE__,left,right,result); + if(AOP_TYPE(right) == AOP_LIT) lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit); @@ -4495,7 +5562,7 @@ static void genOr (iCode *ic, iCode *ifx) // lit != 0 => result = 1 if(AOP_TYPE(result) == AOP_CRY){ if(size) - emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE)); + emitpcode(POC_BSF, popGet(AOP(result),0)); //pic14_emitcode("bsf","(%s >> 3), (%s & 7)", // AOP(result)->aopu.aop_dir, // AOP(result)->aopu.aop_dir); @@ -4513,9 +5580,9 @@ static void genOr (iCode *ic, iCode *ifx) if (AOP_TYPE(right) == AOP_CRY){ if(pic14_sameRegs(AOP(result),AOP(left))){ // c = bit | bit; - emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE)); - emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE)); + emitpcode(POC_BCF, popGet(AOP(result),0)); + emitpcode(POC_BTFSC, popGet(AOP(right),0)); + emitpcode(POC_BSF, popGet(AOP(result),0)); pic14_emitcode("bcf","(%s >> 3), (%s & 7)", AOP(result)->aopu.aop_dir, @@ -4527,30 +5594,49 @@ static void genOr (iCode *ic, iCode *ifx) AOP(result)->aopu.aop_dir, AOP(result)->aopu.aop_dir); } else { + if( AOP_TYPE(result) == AOP_ACC) { + emitpcode(POC_MOVLW, popGetLit(0)); + emitpcode(POC_BTFSS, popGet(AOP(right),0)); + emitpcode(POC_BTFSC, popGet(AOP(left),0)); + emitpcode(POC_MOVLW, popGetLit(1)); - emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE)); - emitpcode(POC_BTFSS, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_BTFSC, popGet(AOP(left),0,FALSE,FALSE)); - emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE)); + } else { - pic14_emitcode("bcf","(%s >> 3), (%s & 7)", - AOP(result)->aopu.aop_dir, - AOP(result)->aopu.aop_dir); - pic14_emitcode("btfss","(%s >> 3), (%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", - AOP(left)->aopu.aop_dir, - AOP(left)->aopu.aop_dir); - pic14_emitcode("bsf","(%s >> 3), (%s & 7)", - AOP(result)->aopu.aop_dir, - AOP(result)->aopu.aop_dir); + emitpcode(POC_BCF, popGet(AOP(result),0)); + emitpcode(POC_BTFSS, popGet(AOP(right),0)); + emitpcode(POC_BTFSC, popGet(AOP(left),0)); + emitpcode(POC_BSF, popGet(AOP(result),0)); + + pic14_emitcode("bcf","(%s >> 3), (%s & 7)", + AOP(result)->aopu.aop_dir, + AOP(result)->aopu.aop_dir); + pic14_emitcode("btfss","(%s >> 3), (%s & 7)", + AOP(right)->aopu.aop_dir, + AOP(right)->aopu.aop_dir); + pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", + AOP(left)->aopu.aop_dir, + AOP(left)->aopu.aop_dir); + pic14_emitcode("bsf","(%s >> 3), (%s & 7)", + AOP(result)->aopu.aop_dir, + AOP(result)->aopu.aop_dir); + } } - } - else{ + } else { // c = bit | val; symbol *tlbl = newiTempLabel(NULL); pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__); + + + emitpcode(POC_BCF, popGet(AOP(result),0)); + if( AOP_TYPE(right) == AOP_ACC) { + emitpcode(POC_IORLW, popGetLit(0)); + emitSKPNZ; + emitpcode(POC_BTFSC, popGet(AOP(left),0)); + emitpcode(POC_BSF, popGet(AOP(result),0)); + } + + + if(!((AOP_TYPE(result) == AOP_CRY) && ifx)) pic14_emitcode(";XXX setb","c"); pic14_emitcode(";XXX jb","%s,%05d_DS_", @@ -4611,6 +5697,7 @@ static void genOr (iCode *ic, iCode *ifx) /* if left is same as result */ if(pic14_sameRegs(AOP(result),AOP(left))){ + int know_W = -1; for(;size--; offset++,lit>>=8) { if(AOP_TYPE(right) == AOP_LIT){ if((lit & 0xff) == 0) @@ -4620,24 +5707,23 @@ static void genOr (iCode *ic, iCode *ifx) int p = my_powof2(lit & 0xff); if(p>=0) { /* only one bit is set in the literal, so use a bsf instruction */ - emitpcode(POC_BSF, popGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("bsf","%s,%d",aopGet(AOP(left),offset,FALSE,TRUE),p); + emitpcode(POC_BSF, + newpCodeOpBit(aopGet(AOP(left),offset,FALSE,FALSE),p,0)); } else { - emitpcode(POC_MOVLW, popGetLit(lit & 0xff)); - emitpcode(POC_IORWF, popGet(AOP(left),offset,FALSE,FALSE)); - - pic14_emitcode("movlw","0x%x", (lit & 0xff)); - pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,TRUE),p); + if(know_W != (lit & 0xff)) + emitpcode(POC_MOVLW, popGetLit(lit & 0xff)); + know_W = lit & 0xff; + emitpcode(POC_IORWF, popGet(AOP(left),offset)); } } } else { if (AOP_TYPE(left) == AOP_ACC) { - emitpcode(POC_IORFW, popGet(AOP(right),offset,FALSE,FALSE)); + emitpcode(POC_IORFW, popGet(AOP(right),offset)); pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); } else { - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_IORWF, popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_IORWF, popGet(AOP(left),offset)); pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); pic14_emitcode("iorwf","%s,f",aopGet(AOP(left),offset,FALSE,FALSE)); @@ -4655,6 +5741,7 @@ static void genOr (iCode *ic, iCode *ifx) int sizer = max(AOP_SIZE(left),AOP_SIZE(right)); pic14_emitcode(";XXX "," %s,%d",__FILE__,__LINE__); + if(size) pic14_emitcode(";XXX setb","c"); while(sizer--){ @@ -4677,8 +5764,8 @@ static void genOr (iCode *ic, iCode *ifx) int t = (lit >> (offset*8)) & 0x0FFL; switch(t) { case 0x00: - emitpcode(POC_MOVFW, popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); pic14_emitcode("movf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); @@ -4687,8 +5774,8 @@ static void genOr (iCode *ic, iCode *ifx) break; default: emitpcode(POC_MOVLW, popGetLit(t)); - emitpcode(POC_IORFW, popGet(AOP(left),offset,FALSE,FALSE)); - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_IORFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); pic14_emitcode("movlw","0x%x",t); pic14_emitcode("iorwf","%s,w", @@ -4703,17 +5790,17 @@ static void genOr (iCode *ic, iCode *ifx) // faster than result <- left, anl result,right // and better if result is SFR if (AOP_TYPE(left) == AOP_ACC) { - emitpcode(POC_IORWF, popGet(AOP(right),offset,FALSE,FALSE)); + emitpcode(POC_IORWF, popGet(AOP(right),offset)); pic14_emitcode("iorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); } else { - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_IORFW, popGet(AOP(left),offset,FALSE,FALSE)); + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_IORFW, popGet(AOP(left),offset)); pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); pic14_emitcode("iorwf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); } - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); } } @@ -4729,218 +5816,240 @@ release : /*-----------------------------------------------------------------*/ static void genXor (iCode *ic, iCode *ifx) { - operand *left, *right, *result; - int size, offset=0; - unsigned long lit = 0L; + operand *left, *right, *result; + int size, offset=0; + unsigned long lit = 0L; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - - aopOp((left = IC_LEFT(ic)),ic,FALSE); - aopOp((right= IC_RIGHT(ic)),ic,FALSE); - aopOp((result=IC_RESULT(ic)),ic,TRUE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if left is a literal & right is not || - if left needs acc & right does not */ - if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) || - (AOP_NEEDSACC(left) && !AOP_NEEDSACC(right))) { - operand *tmp = right ; - right = left; - left = tmp; - } + aopOp((left = IC_LEFT(ic)),ic,FALSE); + aopOp((right= IC_RIGHT(ic)),ic,FALSE); + aopOp((result=IC_RESULT(ic)),ic,TRUE); + + /* if left is a literal & right is not || + if left needs acc & right does not */ + if ((AOP_TYPE(left) == AOP_LIT && AOP_TYPE(right) != AOP_LIT) || + (AOP_NEEDSACC(left) && !AOP_NEEDSACC(right))) { + operand *tmp = right ; + right = left; + left = tmp; + } - /* if result = right then exchange them */ - if(pic14_sameRegs(AOP(result),AOP(right))){ - operand *tmp = right ; - right = left; - left = tmp; - } + /* if result = right then exchange them */ + if(pic14_sameRegs(AOP(result),AOP(right))){ + operand *tmp = right ; + right = left; + left = tmp; + } - /* if right is bit then exchange them */ - if (AOP_TYPE(right) == AOP_CRY && - AOP_TYPE(left) != AOP_CRY){ - operand *tmp = right ; - right = left; - left = tmp; - } - if(AOP_TYPE(right) == AOP_LIT) - lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit); + /* if right is bit then exchange them */ + if (AOP_TYPE(right) == AOP_CRY && + AOP_TYPE(left) != AOP_CRY){ + operand *tmp = right ; + right = left; + left = tmp; + } + if(AOP_TYPE(right) == AOP_LIT) + lit = (unsigned long)floatFromVal (AOP(right)->aopu.aop_lit); - size = AOP_SIZE(result); + size = AOP_SIZE(result); - // if(bit ^ yy) - // xx = bit ^ yy; - if (AOP_TYPE(left) == AOP_CRY){ - if(AOP_TYPE(right) == AOP_LIT){ - // c = bit & literal; - if(lit>>1){ - // lit>>1 != 0 => result = 1 - if(AOP_TYPE(result) == AOP_CRY){ - if(size) - pic14_emitcode("setb","%s",AOP(result)->aopu.aop_dir); - else if(ifx) - continueIfTrue(ifx); - goto release; - } - pic14_emitcode("setb","c"); - } else{ - // lit == (0 or 1) - if(lit == 0){ - // lit == 0, result = left - if(size && pic14_sameRegs(AOP(result),AOP(left))) - goto release; - pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); - } else{ - // lit == 1, result = not(left) - if(size && pic14_sameRegs(AOP(result),AOP(left))){ - pic14_emitcode("cpl","%s",AOP(result)->aopu.aop_dir); - goto release; - } else { - pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); - pic14_emitcode("cpl","c"); - } - } - } + // if(bit ^ yy) + // xx = bit ^ yy; + if (AOP_TYPE(left) == AOP_CRY){ + if(AOP_TYPE(right) == AOP_LIT){ + // c = bit & literal; + if(lit>>1){ + // lit>>1 != 0 => result = 1 + if(AOP_TYPE(result) == AOP_CRY){ + if(size) + {emitpcode(POC_BSF, popGet(AOP(result),offset)); + pic14_emitcode("setb","%s",AOP(result)->aopu.aop_dir);} + else if(ifx) + continueIfTrue(ifx); + goto release; + } + pic14_emitcode("setb","c"); + } else{ + // lit == (0 or 1) + if(lit == 0){ + // lit == 0, result = left + if(size && pic14_sameRegs(AOP(result),AOP(left))) + goto release; + pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); + } else{ + // lit == 1, result = not(left) + if(size && pic14_sameRegs(AOP(result),AOP(left))){ + emitpcode(POC_MOVLW, popGet(AOP(result),offset)); + emitpcode(POC_XORWF, popGet(AOP(result),offset)); + pic14_emitcode("cpl","%s",AOP(result)->aopu.aop_dir); + goto release; + } else { + pic14_emitcode("mov","c,%s",AOP(left)->aopu.aop_dir); + pic14_emitcode("cpl","c"); + } + } + } - } else { - // right != literal - symbol *tlbl = newiTempLabel(NULL); - if (AOP_TYPE(right) == AOP_CRY){ - // c = bit ^ bit; - pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir); - } - else{ - int sizer = AOP_SIZE(right); - // c = bit ^ val - // if val>>1 != 0, result = 1 - pic14_emitcode("setb","c"); - while(sizer){ - MOVA(aopGet(AOP(right),sizer-1,FALSE,FALSE)); - if(sizer == 1) - // test the msb of the lsb - pic14_emitcode("anl","a,#0xfe"); - pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); - sizer--; - } - // val = (0,1) - pic14_emitcode("rrc","a"); - } - pic14_emitcode("jnb","%s,%05d_DS_",AOP(left)->aopu.aop_dir,(tlbl->key+100)); - pic14_emitcode("cpl","c"); - pic14_emitcode("","%05d_DS_:",(tlbl->key+100)); - } - // bit = c - // val = c - if(size) - pic14_outBitC(result); - // if(bit | ...) - else if((AOP_TYPE(result) == AOP_CRY) && ifx) - genIfxJump(ifx, "c"); - goto release ; + } else { + // right != literal + symbol *tlbl = newiTempLabel(NULL); + if (AOP_TYPE(right) == AOP_CRY){ + // c = bit ^ bit; + pic14_emitcode("mov","c,%s",AOP(right)->aopu.aop_dir); + } + else{ + int sizer = AOP_SIZE(right); + // c = bit ^ val + // if val>>1 != 0, result = 1 + pic14_emitcode("setb","c"); + while(sizer){ + MOVA(aopGet(AOP(right),sizer-1,FALSE,FALSE)); + if(sizer == 1) + // test the msb of the lsb + pic14_emitcode("anl","a,#0xfe"); + pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); + sizer--; + } + // val = (0,1) + pic14_emitcode("rrc","a"); + } + pic14_emitcode("jnb","%s,%05d_DS_",AOP(left)->aopu.aop_dir,(tlbl->key+100)); + pic14_emitcode("cpl","c"); + pic14_emitcode("","%05d_DS_:",(tlbl->key+100)); } + // bit = c + // val = c + if(size) + pic14_outBitC(result); + // if(bit | ...) + else if((AOP_TYPE(result) == AOP_CRY) && ifx) + genIfxJump(ifx, "c"); + goto release ; + } - if(pic14_sameRegs(AOP(result),AOP(left))){ - /* if left is same as result */ - for(;size--; offset++) { - if(AOP_TYPE(right) == AOP_LIT){ - if(((lit >> (offset*8)) & 0x0FFL) == 0x00L) - continue; - else - if (IS_AOP_PREG(left)) { - MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE)); - aopPut(AOP(result),"a",offset); - } else - pic14_emitcode("xrl","%s,%s", - aopGet(AOP(left),offset,FALSE,TRUE), - aopGet(AOP(right),offset,FALSE,FALSE)); - } else { - if (AOP_TYPE(left) == AOP_ACC) - pic14_emitcode("xrl","a,%s",aopGet(AOP(right),offset,FALSE,FALSE)); - else { - MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); - if (IS_AOP_PREG(left)) { - pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE)); - aopPut(AOP(result),"a",offset); - } else - pic14_emitcode("xrl","%s,a", - aopGet(AOP(left),offset,FALSE,TRUE)); - } - } - } - } else { - // left & result in different registers - if(AOP_TYPE(result) == AOP_CRY){ - // result = bit - // if(size), result in bit - // if(!size && ifx), conditional oper: if(left ^ right) - symbol *tlbl = newiTempLabel(NULL); - int sizer = max(AOP_SIZE(left),AOP_SIZE(right)); - if(size) - pic14_emitcode("setb","c"); - while(sizer--){ - if((AOP_TYPE(right) == AOP_LIT) && - (((lit >> (offset*8)) & 0x0FFL) == 0x00L)){ - MOVA(aopGet(AOP(left),offset,FALSE,FALSE)); - } else { - MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("xrl","a,%s", - aopGet(AOP(left),offset,FALSE,FALSE)); - } - pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); - offset++; - } - if(size){ - CLRC; - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_outBitC(result); - } else if(ifx) - jmpTrueOrFalse(ifx, tlbl); - } else for(;(size--);offset++){ - // normal case - // result = left & right - if(AOP_TYPE(right) == AOP_LIT){ - int t = (lit >> (offset*8)) & 0x0FFL; - switch(t) { - case 0x00: - pic14_emitcode("movf","%s,w", + if(pic14_sameRegs(AOP(result),AOP(left))){ + /* if left is same as result */ + for(;size--; offset++) { + if(AOP_TYPE(right) == AOP_LIT){ + int t = (lit >> (offset*8)) & 0x0FFL; + if(t == 0x00L) + continue; + else + if (IS_AOP_PREG(left)) { + MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE)); + aopPut(AOP(result),"a",offset); + } else { + emitpcode(POC_MOVLW, popGetLit(t)); + emitpcode(POC_XORWF,popGet(AOP(left),offset)); + pic14_emitcode("xrl","%s,%s", + aopGet(AOP(left),offset,FALSE,TRUE), + aopGet(AOP(right),offset,FALSE,FALSE)); + } + } else { + if (AOP_TYPE(left) == AOP_ACC) + pic14_emitcode("xrl","a,%s",aopGet(AOP(right),offset,FALSE,FALSE)); + else { + emitpcode(POC_MOVFW,popGet(AOP(right),offset)); + emitpcode(POC_XORWF,popGet(AOP(left),offset)); +/* + if (IS_AOP_PREG(left)) { + pic14_emitcode("xrl","a,%s",aopGet(AOP(left),offset,FALSE,TRUE)); + aopPut(AOP(result),"a",offset); + } else + pic14_emitcode("xrl","%s,a", + aopGet(AOP(left),offset,FALSE,TRUE)); +*/ + } + } + } + } else { + // left & result in different registers + if(AOP_TYPE(result) == AOP_CRY){ + // result = bit + // if(size), result in bit + // if(!size && ifx), conditional oper: if(left ^ right) + symbol *tlbl = newiTempLabel(NULL); + int sizer = max(AOP_SIZE(left),AOP_SIZE(right)); + if(size) + pic14_emitcode("setb","c"); + while(sizer--){ + if((AOP_TYPE(right) == AOP_LIT) && + (((lit >> (offset*8)) & 0x0FFL) == 0x00L)){ + MOVA(aopGet(AOP(left),offset,FALSE,FALSE)); + } else { + MOVA(aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("xrl","a,%s", + aopGet(AOP(left),offset,FALSE,FALSE)); + } + pic14_emitcode("jnz","%05d_DS_",tlbl->key+100); + offset++; + } + if(size){ + CLRC; + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + pic14_outBitC(result); + } else if(ifx) + jmpTrueOrFalse(ifx, tlbl); + } else for(;(size--);offset++){ + // normal case + // result = left & right + if(AOP_TYPE(right) == AOP_LIT){ + int t = (lit >> (offset*8)) & 0x0FFL; + switch(t) { + case 0x00: + emitpcode(POC_MOVFW,popGet(AOP(left),offset)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); + pic14_emitcode("movf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s", + pic14_emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE)); - break; - case 0xff: - pic14_emitcode("comf","%s,w", + break; + case 0xff: + emitpcode(POC_COMFW,popGet(AOP(left),offset)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); + pic14_emitcode("comf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s", + pic14_emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE)); - break; - default: - pic14_emitcode("movlw","0x%x",t); - pic14_emitcode("xorwf","%s,w", + break; + default: + emitpcode(POC_MOVLW, popGetLit(t)); + emitpcode(POC_XORFW,popGet(AOP(left),offset)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); + pic14_emitcode("movlw","0x%x",t); + pic14_emitcode("xorwf","%s,w", aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s", + pic14_emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE)); - } - continue; - } + } + continue; + } - // faster than result <- left, anl result,right - // and better if result is SFR - if (AOP_TYPE(left) == AOP_ACC) - pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - else { - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); - pic14_emitcode("xorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); - } - if ( AOP_TYPE(result) != AOP_ACC) - pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); - } + // faster than result <- left, anl result,right + // and better if result is SFR + if (AOP_TYPE(left) == AOP_ACC) { + emitpcode(POC_XORFW,popGet(AOP(right),offset)); + pic14_emitcode("xorwf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + } else { + emitpcode(POC_MOVFW,popGet(AOP(right),offset)); + emitpcode(POC_XORFW,popGet(AOP(left),offset)); + pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); + pic14_emitcode("xorwf","%s,w",aopGet(AOP(left),offset,FALSE,FALSE)); + } + if ( AOP_TYPE(result) != AOP_ACC){ + emitpcode(POC_MOVWF,popGet(AOP(result),offset)); + pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); + } } + } -release : + release : freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); - freeAsmop(result,NULL,ic,TRUE); + freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE)); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -4961,7 +6070,9 @@ static void genInline (iCode *ic) while (*bp) { if (*bp == '\n') { *bp++ = '\0'; - pic14_emitcode(bp1,""); + + if(*bp1) + addpCode2pBlock(pb,AssembleLine(bp1)); bp1 = bp; } else { if (*bp == ':') { @@ -4974,9 +6085,11 @@ static void genInline (iCode *ic) bp++; } } - if (bp1 != bp) - pic14_emitcode(bp1,""); - /* pic14_emitcode("",buffer); */ + if ((bp1 != bp) && *bp1) + addpCode2pBlock(pb,AssembleLine(bp1)); + + Safe_free(buffer); + _G.inLine -= (!options.asmpeep); } @@ -4985,37 +6098,40 @@ static void genInline (iCode *ic) /*-----------------------------------------------------------------*/ static void genRRC (iCode *ic) { - operand *left , *result ; - int size, offset = 0; - char *l; + operand *left , *result ; + int size, offset = 0, same; + + /* rotate right with carry */ + left = IC_LEFT(ic); + result=IC_RESULT(ic); + aopOp (left,ic,FALSE); + aopOp (result,ic,FALSE); + + DEBUGpic14_AopType(__LINE__,left,NULL,result); + + same = pic14_sameRegs(AOP(result),AOP(left)); + + size = AOP_SIZE(result); + + /* get the lsb and put it into the carry */ + emitpcode(POC_RRFW, popGet(AOP(left),size-1)); + + offset = 0 ; - /* rotate right with carry */ - left = IC_LEFT(ic); - result=IC_RESULT(ic); - aopOp (left,ic,FALSE); - aopOp (result,ic,FALSE); + while(size--) { - /* move it to the result */ - size = AOP_SIZE(result); - offset = size - 1 ; - CLRC; - while (size--) { - l = aopGet(AOP(left),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("rrc","a"); - if (AOP_SIZE(result) > 1) - aopPut(AOP(result),"a",offset--); - } - /* now we need to put the carry into the - highest order byte of the result */ - if (AOP_SIZE(result) > 1) { - l = aopGet(AOP(result),AOP_SIZE(result)-1,FALSE,FALSE); - MOVA(l); + if(same) { + emitpcode(POC_RRF, popGet(AOP(left),offset)); + } else { + emitpcode(POC_RRFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); } - pic14_emitcode("mov","acc.7,c"); - aopPut(AOP(result),"a",AOP_SIZE(result)-1); - freeAsmop(left,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); + + offset++; + } + + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -5023,44 +6139,44 @@ static void genRRC (iCode *ic) /*-----------------------------------------------------------------*/ static void genRLC (iCode *ic) { - operand *left , *result ; - int size, offset = 0; - char *l; + operand *left , *result ; + int size, offset = 0; + int same; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* rotate right with carry */ - left = IC_LEFT(ic); - result=IC_RESULT(ic); - aopOp (left,ic,FALSE); - aopOp (result,ic,FALSE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* rotate right with carry */ + left = IC_LEFT(ic); + result=IC_RESULT(ic); + aopOp (left,ic,FALSE); + aopOp (result,ic,FALSE); - /* move it to the result */ - size = AOP_SIZE(result); - offset = 0 ; - if (size--) { - l = aopGet(AOP(left),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("add","a,acc"); - if (AOP_SIZE(result) > 1) - aopPut(AOP(result),"a",offset++); - while (size--) { - l = aopGet(AOP(left),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("rlc","a"); - if (AOP_SIZE(result) > 1) - aopPut(AOP(result),"a",offset++); - } - } - /* now we need to put the carry into the - highest order byte of the result */ - if (AOP_SIZE(result) > 1) { - l = aopGet(AOP(result),0,FALSE,FALSE); - MOVA(l); + DEBUGpic14_AopType(__LINE__,left,NULL,result); + + same = pic14_sameRegs(AOP(result),AOP(left)); + + /* move it to the result */ + size = AOP_SIZE(result); + + /* get the msb and put it into the carry */ + emitpcode(POC_RLFW, popGet(AOP(left),size-1)); + + offset = 0 ; + + while(size--) { + + if(same) { + emitpcode(POC_RLF, popGet(AOP(left),offset)); + } else { + emitpcode(POC_RLFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); } - pic14_emitcode("mov","acc.0,c"); - aopPut(AOP(result),"a",0); - freeAsmop(left,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); + + offset++; + } + + + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -5171,6 +6287,7 @@ static void AccRsh (int shCount) } } +#if 0 /*-----------------------------------------------------------------*/ /* AccSRsh - signed right shift accumulator by known count */ /*-----------------------------------------------------------------*/ @@ -5200,6 +6317,117 @@ static void AccSRsh (int shCount) } } } +#endif +/*-----------------------------------------------------------------*/ +/* shiftR1Left2Result - shift right one byte from left to result */ +/*-----------------------------------------------------------------*/ +static void shiftR1Left2ResultSigned (operand *left, int offl, + operand *result, int offr, + int shCount) +{ + int same; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr); + + switch(shCount) { + case 1: + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + if(same) + emitpcode(POC_RRF, popGet(AOP(result),offr)); + else { + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + + break; + case 2: + + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + if(same) + emitpcode(POC_RRF, popGet(AOP(result),offr)); + else { + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + + break; + + case 3: + if(same) + emitpcode(POC_SWAPF, popGet(AOP(result),offr)); + else { + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_ANDLW, popGetLit(0x1f)); + + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0)); + emitpcode(POC_IORLW, popGetLit(0xe0)); + + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + break; + + case 4: + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x0f)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0)); + emitpcode(POC_IORLW, popGetLit(0xf0)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + break; + case 5: + if(same) { + emitpcode(POC_SWAPF, popGet(AOP(result),offr)); + } else { + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + emitpcode(POC_RRFW, popGet(AOP(result),offr)); + emitpcode(POC_ANDLW, popGetLit(0x07)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),3,0)); + emitpcode(POC_IORLW, popGetLit(0xf8)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + break; + + case 6: + if(same) { + emitpcode(POC_MOVLW, popGetLit(0x00)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0)); + emitpcode(POC_MOVLW, popGetLit(0xfe)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),6,0)); + emitpcode(POC_IORLW, popGetLit(0x01)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } else { + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0)); + emitpcode(POC_DECF, popGet(AOP(result),offr)); + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),6,0)); + emitpcode(POC_BCF, newpCodeOpBit(aopGet(AOP(result),offr,FALSE,FALSE),0,0)); + } + break; + + case 7: + if(same) { + emitpcode(POC_MOVLW, popGetLit(0x00)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0)); + emitpcode(POC_MOVLW, popGetLit(0xff)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } else { + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),offl,FALSE,FALSE),7,0)); + emitpcode(POC_DECF, popGet(AOP(result),offr)); + } + + default: + break; + } +} /*-----------------------------------------------------------------*/ /* shiftR1Left2Result - shift right one byte from left to result */ @@ -5208,14 +6436,90 @@ static void shiftR1Left2Result (operand *left, int offl, operand *result, int offr, int shCount, int sign) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - MOVA(aopGet(AOP(left),offl,FALSE,FALSE)); - /* shift right accumulator */ - if(sign) - AccSRsh(shCount); - else - AccRsh(shCount); - aopPut(AOP(result),"a",offr); + int same; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr); + + /* Copy the msb into the carry if signed. */ + if(sign) { + shiftR1Left2ResultSigned(left,offl,result,offr,shCount); + return; + } + + + + switch(shCount) { + case 1: + emitCLRC; + if(same) + emitpcode(POC_RRF, popGet(AOP(result),offr)); + else { + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + break; + case 2: + emitCLRC; + if(same) { + emitpcode(POC_RRF, popGet(AOP(result),offr)); + } else { + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + emitCLRC; + emitpcode(POC_RRF, popGet(AOP(result),offr)); + + break; + case 3: + if(same) + emitpcode(POC_SWAPF, popGet(AOP(result),offr)); + else { + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_ANDLW, popGetLit(0x1f)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + break; + + case 4: + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x0f)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + break; + + case 5: + emitpcode(POC_SWAPFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x0f)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + emitCLRC; + emitpcode(POC_RRF, popGet(AOP(result),offr)); + + break; + case 6: + + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x80)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + break; + + case 7: + + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + + break; + + default: + break; + } } /*-----------------------------------------------------------------*/ @@ -5224,305 +6528,373 @@ static void shiftR1Left2Result (operand *left, int offl, static void shiftL1Left2Result (operand *left, int offl, operand *result, int offr, int shCount) { - char *l; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - l = aopGet(AOP(left),offl,FALSE,FALSE); - MOVA(l); + int same; + + // char *l; + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + same = ((left == result) || (AOP(left) == AOP(result))) && (offl==offr); + DEBUGpic14_emitcode ("; ***","same = %d",same); + // l = aopGet(AOP(left),offl,FALSE,FALSE); + // MOVA(l); /* shift left accumulator */ - AccLsh(shCount); - aopPut(AOP(result),"a",offr); + //AccLsh(shCount); // don't comment out just yet... + // aopPut(AOP(result),"a",offr); + + switch(shCount) { + case 1: + /* Shift left 1 bit position */ + emitpcode(POC_MOVFW, popGet(AOP(left),offl)); + if(same) { + emitpcode(POC_ADDWF, popGet(AOP(left),offl)); + } else { + emitpcode(POC_ADDFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + } + break; + case 2: + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW,popGetLit(0x7e)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_ADDWF,popGet(AOP(result),offr)); + break; + case 3: + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_ANDLW,popGetLit(0x3e)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_ADDWF,popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + break; + case 4: + emitpcode(POC_SWAPFW,popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0xf0)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + break; + case 5: + emitpcode(POC_SWAPFW,popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0xf0)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_ADDWF,popGet(AOP(result),offr)); + break; + case 6: + emitpcode(POC_SWAPFW,popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x30)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_ADDWF,popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + break; + case 7: + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + break; + + default: + DEBUGpic14_emitcode ("; ***","%s %d, shift count is %d",__FUNCTION__,__LINE__,shCount); + } + } /*-----------------------------------------------------------------*/ /* movLeft2Result - move byte from left to result */ /*-----------------------------------------------------------------*/ static void movLeft2Result (operand *left, int offl, - operand *result, int offr, int sign) + operand *result, int offr) { - char *l; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){ - l = aopGet(AOP(left),offl,FALSE,FALSE); + char *l; + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if(!pic14_sameRegs(AOP(left),AOP(result)) || (offl != offr)){ + l = aopGet(AOP(left),offl,FALSE,FALSE); - if (*l == '@' && (IS_AOP_PREG(result))) { - pic14_emitcode("mov","a,%s",l); - aopPut(AOP(result),"a",offr); - } else { - if(!sign) - aopPut(AOP(result),l,offr); - else{ - /* MSB sign in acc.7 ! */ - if(pic14_getDataSize(left) == offl+1){ - pic14_emitcode("mov","a,%s",l); - aopPut(AOP(result),"a",offr); - } - } - } + if (*l == '@' && (IS_AOP_PREG(result))) { + pic14_emitcode("mov","a,%s",l); + aopPut(AOP(result),"a",offr); + } else { + emitpcode(POC_MOVFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); } + } } /*-----------------------------------------------------------------*/ -/* AccAXRrl1 - right rotate c->a:x->c by 1 */ +/* shiftL2Left2Result - shift left two bytes from left to result */ /*-----------------------------------------------------------------*/ -static void AccAXRrl1 (char *x) +static void shiftL2Left2Result (operand *left, int offl, + operand *result, int offr, int shCount) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - pic14_emitcode("rrc","a"); - pic14_emitcode("xch","a,%s", x); - pic14_emitcode("rrc","a"); - pic14_emitcode("xch","a,%s", x); -} -/*-----------------------------------------------------------------*/ -/* AccAXLrl1 - left rotate c<-a:x<-c by 1 */ -/*-----------------------------------------------------------------*/ -static void AccAXLrl1 (char *x) -{ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - pic14_emitcode("xch","a,%s",x); - pic14_emitcode("rlc","a"); - pic14_emitcode("xch","a,%s",x); - pic14_emitcode("rlc","a"); -} -/*-----------------------------------------------------------------*/ -/* AccAXLsh1 - left shift a:x<-0 by 1 */ -/*-----------------------------------------------------------------*/ -static void AccAXLsh1 (char *x) -{ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - pic14_emitcode("xch","a,%s",x); - pic14_emitcode("add","a,acc"); - pic14_emitcode("xch","a,%s",x); - pic14_emitcode("rlc","a"); -} + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); -/*-----------------------------------------------------------------*/ -/* AccAXLsh - left shift a:x by known count (0..7) */ -/*-----------------------------------------------------------------*/ -static void AccAXLsh (char *x, int shCount) -{ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - switch(shCount){ - case 0 : - break; - case 1 : - AccAXLsh1(x); - break; - case 2 : - AccAXLsh1(x); - AccAXLsh1(x); - break; - case 3 : - case 4 : - case 5 : // AAAAABBB:CCCCCDDD - AccRol(shCount); // BBBAAAAA:CCCCCDDD - pic14_emitcode("anl","a,#0x%02x", - SLMask[shCount]); // BBB00000:CCCCCDDD - pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBB00000 - AccRol(shCount); // DDDCCCCC:BBB00000 - pic14_emitcode("xch","a,%s",x); // BBB00000:DDDCCCCC - pic14_emitcode("xrl","a,%s",x); // (BBB^DDD)CCCCC:DDDCCCCC - pic14_emitcode("xch","a,%s",x); // DDDCCCCC:(BBB^DDD)CCCCC - pic14_emitcode("anl","a,#0x%02x", - SLMask[shCount]); // DDD00000:(BBB^DDD)CCCCC - pic14_emitcode("xch","a,%s",x); // (BBB^DDD)CCCCC:DDD00000 - pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:DDD00000 - break; - case 6 : // AAAAAABB:CCCCCCDD - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000000BB:CCCCCCDD - pic14_emitcode("mov","c,acc.0"); // c = B - pic14_emitcode("xch","a,%s",x); // CCCCCCDD:000000BB - AccAXRrl1(x); // BCCCCCCD:D000000B - AccAXRrl1(x); // BBCCCCCC:DD000000 - break; - case 7 : // a:x <<= 7 - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 0000000B:CCCCCCCD - pic14_emitcode("mov","c,acc.0"); // c = B - pic14_emitcode("xch","a,%s",x); // CCCCCCCD:0000000B - AccAXRrl1(x); // BCCCCCCC:D0000000 - break; - default : - break; - } -} + if(pic14_sameRegs(AOP(result), AOP(left))) { + switch(shCount) { + case 0: + break; + case 1: + case 2: + case 3: + + emitpcode(POC_MOVFW,popGet(AOP(result),offr)); + emitpcode(POC_ADDWF,popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + + while(--shCount) { + emitCLRC; + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + } -/*-----------------------------------------------------------------*/ -/* AccAXRsh - right shift a:x known count (0..7) */ -/*-----------------------------------------------------------------*/ -static void AccAXRsh (char *x, int shCount) -{ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - switch(shCount){ - case 0 : - break; - case 1 : - CLRC; - AccAXRrl1(x); // 0->a:x - break; - case 2 : - CLRC; - AccAXRrl1(x); // 0->a:x - CLRC; - AccAXRrl1(x); // 0->a:x - break; - case 3 : - case 4 : - case 5 : // AAAAABBB:CCCCCDDD = a:x - AccRol(8 - shCount); // BBBAAAAA:DDDCCCCC - pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA - AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000CCCCC:BBBAAAAA - pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA - pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA) - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA) - pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA - pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA - pic14_emitcode("xch","a,%s",x); // 000AAAAA:BBBCCCCC - break; - case 6 : // AABBBBBB:CCDDDDDD - pic14_emitcode("mov","c,acc.7"); - AccAXLrl1(x); // ABBBBBBC:CDDDDDDA - AccAXLrl1(x); // BBBBBBCC:DDDDDDAA - pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000000AA:BBBBBBCC - break; - case 7 : // ABBBBBBB:CDDDDDDD - pic14_emitcode("mov","c,acc.7"); // c = A - AccAXLrl1(x); // BBBBBBBC:DDDDDDDA - pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 0000000A:BBBBBBBC - break; - default : - break; + break; + case 4: + case 5: + emitpcode(POC_MOVLW, popGetLit(0x0f)); + emitpcode(POC_ANDWF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_SWAPF, popGet(AOP(result),offr)); + emitpcode(POC_ANDFW, popGet(AOP(result),offr)); + emitpcode(POC_XORWF, popGet(AOP(result),offr)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16)); + if(shCount >=5) { + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + } + break; + case 6: + emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ANDLW,popGetLit(0xc0)); + emitpcode(POC_XORFW,popGet(AOP(result),offr)); + emitpcode(POC_XORWF,popGet(AOP(result),offr)); + emitpcode(POC_XORFW,popGet(AOP(result),offr)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + break; + case 7: + emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRFW, popGet(AOP(result),offr)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); } -} -/*-----------------------------------------------------------------*/ -/* AccAXRshS - right shift signed a:x known count (0..7) */ -/*-----------------------------------------------------------------*/ -static void AccAXRshS (char *x, int shCount) -{ - symbol *tlbl ; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - switch(shCount){ - case 0 : - break; - case 1 : - pic14_emitcode("mov","c,acc.7"); - AccAXRrl1(x); // s->a:x - break; - case 2 : - pic14_emitcode("mov","c,acc.7"); - AccAXRrl1(x); // s->a:x - pic14_emitcode("mov","c,acc.7"); - AccAXRrl1(x); // s->a:x - break; - case 3 : - case 4 : - case 5 : // AAAAABBB:CCCCCDDD = a:x - tlbl = newiTempLabel(NULL); - AccRol(8 - shCount); // BBBAAAAA:CCCCCDDD - pic14_emitcode("xch","a,%s",x); // CCCCCDDD:BBBAAAAA - AccRol(8 - shCount); // DDDCCCCC:BBBAAAAA - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000CCCCC:BBBAAAAA - pic14_emitcode("xrl","a,%s",x); // BBB(CCCCC^AAAAA):BBBAAAAA - pic14_emitcode("xch","a,%s",x); // BBBAAAAA:BBB(CCCCC^AAAAA) - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000AAAAA:BBB(CCCCC^AAAAA) - pic14_emitcode("xch","a,%s",x); // BBB(CCCCC^AAAAA):000AAAAA - pic14_emitcode("xrl","a,%s",x); // BBBCCCCC:000AAAAA - pic14_emitcode("xch","a,%s",x); // 000SAAAA:BBBCCCCC - pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100); - pic14_emitcode("orl","a,#0x%02x", - (unsigned char)~SRMask[shCount]); // 111AAAAA:BBBCCCCC - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - break; // SSSSAAAA:BBBCCCCC - case 6 : // AABBBBBB:CCDDDDDD - tlbl = newiTempLabel(NULL); - pic14_emitcode("mov","c,acc.7"); - AccAXLrl1(x); // ABBBBBBC:CDDDDDDA - AccAXLrl1(x); // BBBBBBCC:DDDDDDAA - pic14_emitcode("xch","a,%s",x); // DDDDDDAA:BBBBBBCC - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 000000AA:BBBBBBCC - pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100); - pic14_emitcode("orl","a,#0x%02x", - (unsigned char)~SRMask[shCount]); // 111111AA:BBBBBBCC - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - break; - case 7 : // ABBBBBBB:CDDDDDDD - tlbl = newiTempLabel(NULL); - pic14_emitcode("mov","c,acc.7"); // c = A - AccAXLrl1(x); // BBBBBBBC:DDDDDDDA - pic14_emitcode("xch","a,%s",x); // DDDDDDDA:BBBBBBCC - pic14_emitcode("anl","a,#0x%02x", - SRMask[shCount]); // 0000000A:BBBBBBBC - pic14_emitcode("jnb","acc.%d,%05d_DS_",7-shCount,tlbl->key+100); - pic14_emitcode("orl","a,#0x%02x", - (unsigned char)~SRMask[shCount]); // 1111111A:BBBBBBBC - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - break; - default : - break; + } else { + switch(shCount) { + case 0: + break; + case 1: + case 2: + case 3: + /* note, use a mov/add for the shift since the mov has a + chance of getting optimized out */ + emitpcode(POC_MOVFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr)); + emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16)); + + while(--shCount) { + emitCLRC; + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + } + break; + + case 4: + case 5: + emitpcode(POC_SWAPFW,popGet(AOP(left),offl+MSB16)); + emitpcode(POC_ANDLW, popGetLit(0xF0)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_SWAPFW,popGet(AOP(left),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + emitpcode(POC_ANDLW, popGetLit(0xF0)); + emitpcode(POC_XORWF, popGet(AOP(result),offr)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16)); + + + if(shCount == 5) { + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + } + break; + case 6: + emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRFW, popGet(AOP(result),offl)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + + emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + emitpcode(POC_RRFW, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ANDLW,popGetLit(0xc0)); + emitpcode(POC_XORFW,popGet(AOP(result),offr)); + emitpcode(POC_XORWF,popGet(AOP(result),offr)); + emitpcode(POC_XORFW,popGet(AOP(result),offr)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + break; + case 7: + emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_CLRF, popGet(AOP(result),offr)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); } -} + } +} /*-----------------------------------------------------------------*/ -/* shiftL2Left2Result - shift left two bytes from left to result */ +/* shiftR2Left2Result - shift right two bytes from left to result */ /*-----------------------------------------------------------------*/ -static void shiftL2Left2Result (operand *left, int offl, - operand *result, int offr, int shCount) +static void shiftR2Left2Result (operand *left, int offl, + operand *result, int offr, + int shCount, int sign) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if(pic14_sameRegs(AOP(result), AOP(left)) && - ((offl + MSB16) == offr)){ - /* don't crash result[offr] */ - MOVA(aopGet(AOP(left),offl,FALSE,FALSE)); - pic14_emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + int same=0; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + same = pic14_sameRegs(AOP(result), AOP(left)); + + if(same && ((offl + MSB16) == offr)){ + same=1; + /* don't crash result[offr] */ + MOVA(aopGet(AOP(left),offl,FALSE,FALSE)); + pic14_emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + } +/* else { + movLeft2Result(left,offl, result, offr); + MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + } +*/ + /* a:x >> shCount (x = lsb(result))*/ +/* + if(sign) + AccAXRshS( aopGet(AOP(result),offr,FALSE,FALSE) , shCount); + else { + AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount); +*/ + switch(shCount) { + case 0: + break; + case 1: + case 2: + case 3: + if(sign) + emitpcode(POC_RLFW,popGet(AOP(result),offr+MSB16)); + else + emitCLRC; + + if(same) { + emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF,popGet(AOP(result),offr)); } else { - movLeft2Result(left,offl, result, offr, 0); - MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + emitpcode(POC_RRFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + } + + while(--shCount) { + if(sign) + emitpcode(POC_RLFW,popGet(AOP(result),offr+MSB16)); + else + emitCLRC; + emitpcode(POC_RRF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF,popGet(AOP(result),offr)); + } + break; + case 4: + case 5: + if(same) { + + emitpcode(POC_MOVLW, popGetLit(0xf0)); + emitpcode(POC_ANDWF, popGet(AOP(result),offr)); + emitpcode(POC_SWAPF, popGet(AOP(result),offr)); + + emitpcode(POC_SWAPF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ANDFW, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr)); + } else { + emitpcode(POC_SWAPFW,popGet(AOP(left),offl)); + emitpcode(POC_ANDLW, popGetLit(0x0f)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr)); + + emitpcode(POC_SWAPFW,popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ANDLW, popGetLit(0xf0)); + emitpcode(POC_XORWF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr)); + } + + if(shCount >=5) { + emitpcode(POC_RRF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RRF, popGet(AOP(result),offr)); + } + + if(sign) { + emitpcode(POC_MOVLW, popGetLit(0xf0 + (shCount-4)*8 )); + emitpcode(POC_BTFSC, + newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),7-shCount,0)); + emitpcode(POC_ADDWF, popGet(AOP(result),offr+MSB16)); } - /* ax << shCount (x = lsb(result))*/ - AccAXLsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount); - aopPut(AOP(result),"a",offr+MSB16); -} + break; -/*-----------------------------------------------------------------*/ -/* shiftR2Left2Result - shift right two bytes from left to result */ -/*-----------------------------------------------------------------*/ -static void shiftR2Left2Result (operand *left, int offl, - operand *result, int offr, - int shCount, int sign) -{ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if(pic14_sameRegs(AOP(result), AOP(left)) && - ((offl + MSB16) == offr)){ - /* don't crash result[offr] */ - MOVA(aopGet(AOP(left),offl,FALSE,FALSE)); - pic14_emitcode("xch","a,%s", aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + case 6: + if(same) { + + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RLFW, popGet(AOP(result),offr)); + emitpcode(POC_ANDLW,popGetLit(0x03)); + if(sign) { + emitpcode(POC_BTFSC, + newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),1,0)); + emitpcode(POC_IORLW,popGetLit(0xfc)); + } + emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_XORWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_XORFW,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); } else { - movLeft2Result(left,offl, result, offr, 0); - MOVA(aopGet(AOP(left),offl+MSB16,FALSE,FALSE)); + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_RLF, popGet(AOP(result),offr)); + emitpcode(POC_RLFW, popGet(AOP(result),offr+MSB16)); + emitpcode(POC_ANDLW,popGetLit(0x03)); + if(sign) { + emitpcode(POC_BTFSC, + newpCodeOpBit(aopGet(AOP(result),offr+MSB16,FALSE,FALSE),0,0)); + emitpcode(POC_IORLW,popGetLit(0xfc)); + } + emitpcode(POC_MOVWF,popGet(AOP(result),offr+MSB16)); + //emitpcode(POC_RLF, popGet(AOP(result),offr)); + + } - /* a:x >> shCount (x = lsb(result))*/ - if(sign) - AccAXRshS( aopGet(AOP(result),offr,FALSE,FALSE) , shCount); - else - AccAXRsh( aopGet(AOP(result),offr,FALSE,FALSE) , shCount); - if(pic14_getDataSize(result) > 1) - aopPut(AOP(result),"a",offr+MSB16); + + break; + case 7: + emitpcode(POC_RLFW, popGet(AOP(left),offl)); + emitpcode(POC_RLFW, popGet(AOP(left),offl+MSB16)); + emitpcode(POC_MOVWF,popGet(AOP(result),offr)); + emitpcode(POC_CLRF, popGet(AOP(result),offr+MSB16)); + if(sign) { + emitSKPNC; + emitpcode(POC_DECF, popGet(AOP(result),offr+MSB16)); + } else + emitpcode(POC_RLF, popGet(AOP(result),offr+MSB16)); + } } + /*-----------------------------------------------------------------*/ /* shiftLLeftOrResult - shift left one byte from left, or to result*/ /*-----------------------------------------------------------------*/ @@ -5582,9 +6954,9 @@ static void genlshTwo (operand *result,operand *left, int shCount) if (shCount) shiftL1Left2Result(left, LSB, result, MSB16, shCount); else - movLeft2Result(left, LSB, result, MSB16, 0); + movLeft2Result(left, LSB, result, MSB16); } - aopPut(AOP(result),zero,LSB); + emitpcode(POC_CLRF,popGet(AOP(result),LSB)); } /* 1 <= shCount <= 7 */ @@ -5676,7 +7048,7 @@ static void genlshFour (operand *result, operand *left, int shCount) order of the destination */ shiftL1Left2Result(left, LSB, result, MSB32, shCount); else - movLeft2Result(left, LSB, result, MSB32, 0); + movLeft2Result(left, LSB, result, MSB32); aopPut(AOP(result),zero,LSB); aopPut(AOP(result),zero,MSB16); aopPut(AOP(result),zero,MSB32); @@ -5691,8 +7063,8 @@ static void genlshFour (operand *result, operand *left, int shCount) if (shCount) shiftL2Left2Result(left, LSB, result, MSB24, shCount); else { - movLeft2Result(left, MSB16, result, MSB32, 0); - movLeft2Result(left, LSB, result, MSB24, 0); + movLeft2Result(left, MSB16, result, MSB32); + movLeft2Result(left, LSB, result, MSB24); } aopPut(AOP(result),zero,MSB16); aopPut(AOP(result),zero,LSB); @@ -5707,13 +7079,13 @@ static void genlshFour (operand *result, operand *left, int shCount) if(shCount) shiftL1Left2Result(left, LSB, result, MSB16, shCount); else - movLeft2Result(left, LSB, result, MSB16, 0); + movLeft2Result(left, LSB, result, MSB16); } else{ /* size = 4 */ if(shCount == 0){ - movLeft2Result(left, MSB24, result, MSB32, 0); - movLeft2Result(left, MSB16, result, MSB24, 0); - movLeft2Result(left, LSB, result, MSB16, 0); + movLeft2Result(left, MSB24, result, MSB32); + movLeft2Result(left, MSB16, result, MSB24); + movLeft2Result(left, LSB, result, MSB16); aopPut(AOP(result),zero,LSB); } else if(shCount == 1) @@ -5768,7 +7140,7 @@ static void genLeftShiftLiteral (operand *left, /* I suppose that the left size >= result size */ if(shCount == 0){ while(size--){ - movLeft2Result(left, size, result, size, 0); + movLeft2Result(left, size, result, size); } } @@ -5795,103 +7167,201 @@ static void genLeftShiftLiteral (operand *left, freeAsmop(result,NULL,ic,TRUE); } +/*-----------------------------------------------------------------* + * genMultiAsm - repeat assembly instruction for size of register. + * if endian == 1, then the high byte (i.e base address + size of + * register) is used first else the low byte is used first; + *-----------------------------------------------------------------*/ +static void genMultiAsm( PIC_OPCODE poc, operand *reg, int size, int endian) +{ + + int offset = 0; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + if(!reg) + return; + + if(!endian) { + endian = 1; + } else { + endian = -1; + offset = size-1; + } + + while(size--) { + emitpcode(poc, popGet(AOP(reg),offset)); + offset += endian; + } + +} /*-----------------------------------------------------------------*/ /* genLeftShift - generates code for left shifting */ /*-----------------------------------------------------------------*/ static void genLeftShift (iCode *ic) { - operand *left,*right, *result; - int size, offset; - char *l; - symbol *tlbl , *tlbl1; - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + operand *left,*right, *result; + int size, offset; + char *l; + symbol *tlbl , *tlbl1; + pCodeOp *pctemp; - right = IC_RIGHT(ic); - left = IC_LEFT(ic); - result = IC_RESULT(ic); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(right,ic,FALSE); + right = IC_RIGHT(ic); + left = IC_LEFT(ic); + result = IC_RESULT(ic); - /* if the shift count is known then do it - as efficiently as possible */ - if (AOP_TYPE(right) == AOP_LIT) { - genLeftShiftLiteral (left,right,result,ic); - return ; - } + aopOp(right,ic,FALSE); - /* shift count is unknown then we have to form - a loop get the loop count in B : Note: we take - only the lower order byte since shifting - more that 32 bits make no sense anyway, ( the - largest size of an object can be only 32 bits ) */ + /* if the shift count is known then do it + as efficiently as possible */ + if (AOP_TYPE(right) == AOP_LIT) { + genLeftShiftLiteral (left,right,result,ic); + return ; + } - pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE)); - pic14_emitcode("inc","b"); - freeAsmop (right,NULL,ic,TRUE); - aopOp(left,ic,FALSE); - aopOp(result,ic,FALSE); + /* shift count is unknown then we have to form + a loop get the loop count in B : Note: we take + only the lower order byte since shifting + more that 32 bits make no sense anyway, ( the + largest size of an object can be only 32 bits ) */ - /* now move the left to the result if they are not the - same */ - if (!pic14_sameRegs(AOP(left),AOP(result)) && - AOP_SIZE(result) > 1) { + + aopOp(left,ic,FALSE); + aopOp(result,ic,FALSE); - size = AOP_SIZE(result); - offset=0; - while (size--) { - l = aopGet(AOP(left),offset,FALSE,TRUE); - if (*l == '@' && (IS_AOP_PREG(result))) { + /* now move the left to the result if they are not the + same */ + if (!pic14_sameRegs(AOP(left),AOP(result)) && + AOP_SIZE(result) > 1) { - pic14_emitcode("mov","a,%s",l); - aopPut(AOP(result),"a",offset); - } else - aopPut(AOP(result),l,offset); - offset++; - } + size = AOP_SIZE(result); + offset=0; + while (size--) { + l = aopGet(AOP(left),offset,FALSE,TRUE); + if (*l == '@' && (IS_AOP_PREG(result))) { + + pic14_emitcode("mov","a,%s",l); + aopPut(AOP(result),"a",offset); + } else { + emitpcode(POC_MOVFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + //aopPut(AOP(result),l,offset); + } + offset++; } + } - tlbl = newiTempLabel(NULL); - size = AOP_SIZE(result); - offset = 0 ; - tlbl1 = newiTempLabel(NULL); + size = AOP_SIZE(result); - /* if it is only one byte then */ - if (size == 1) { - symbol *tlbl1 = newiTempLabel(NULL); + /* if it is only one byte then */ + if (size == 1) { + if(optimized_for_speed) { + emitpcode(POC_SWAPFW, popGet(AOP(left),0)); + emitpcode(POC_ANDLW, popGetLit(0xf0)); + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),2,0)); + emitpcode(POC_MOVFW, popGet(AOP(left),0)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); + emitpcode(POC_BTFSS, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),0,0)); + emitpcode(POC_ADDWF, popGet(AOP(result),0)); + emitpcode(POC_RLFW, popGet(AOP(result),0)); + emitpcode(POC_ANDLW, popGetLit(0xfe)); + emitpcode(POC_ADDFW, popGet(AOP(result),0)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),1,0)); + emitpcode(POC_ADDWF, popGet(AOP(result),0)); + } else { - l = aopGet(AOP(left),0,FALSE,FALSE); - MOVA(l); - pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_emitcode("add","a,acc"); - pic14_emitcode("","%05d_DS_:",tlbl1->key+100); - pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); - aopPut(AOP(result),"a",0); - goto release ; + tlbl = newiTempLabel(NULL); + if (!pic14_sameRegs(AOP(left),AOP(result))) { + emitpcode(POC_MOVFW, popGet(AOP(left),0)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); + } + + emitpcode(POC_COMFW, popGet(AOP(right),0)); + emitpcode(POC_RRF, popGet(AOP(result),0)); + emitpLabel(tlbl->key); + emitpcode(POC_RLF, popGet(AOP(result),0)); + emitpcode(POC_ADDLW, popGetLit(1)); + emitSKPC; + emitpcode(POC_GOTO,popGetLabel(tlbl->key)); } + goto release ; + } - reAdjustPreg(AOP(result)); + if (pic14_sameRegs(AOP(left),AOP(result))) { + + tlbl = newiTempLabel(NULL); + emitpcode(POC_COMFW, popGet(AOP(right),0)); + genMultiAsm(POC_RRF, result, size,1); + emitpLabel(tlbl->key); + genMultiAsm(POC_RLF, result, size,0); + emitpcode(POC_ADDLW, popGetLit(1)); + emitSKPC; + emitpcode(POC_GOTO,popGetLabel(tlbl->key)); + goto release; + } + + //tlbl = newiTempLabel(NULL); + //offset = 0 ; + //tlbl1 = newiTempLabel(NULL); + + //reAdjustPreg(AOP(result)); - pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - l = aopGet(AOP(result),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("add","a,acc"); - aopPut(AOP(result),"a",offset++); - while (--size) { - l = aopGet(AOP(result),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("rlc","a"); - aopPut(AOP(result),"a",offset++); - } - reAdjustPreg(AOP(result)); + //pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); + //pic14_emitcode("","%05d_DS_:",tlbl->key+100); + //l = aopGet(AOP(result),offset,FALSE,FALSE); + //MOVA(l); + //pic14_emitcode("add","a,acc"); + //aopPut(AOP(result),"a",offset++); + //while (--size) { + // l = aopGet(AOP(result),offset,FALSE,FALSE); + // MOVA(l); + // pic14_emitcode("rlc","a"); + // aopPut(AOP(result),"a",offset++); + //} + //reAdjustPreg(AOP(result)); + + //pic14_emitcode("","%05d_DS_:",tlbl1->key+100); + //pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); + + + tlbl = newiTempLabel(NULL); + tlbl1= newiTempLabel(NULL); - pic14_emitcode("","%05d_DS_:",tlbl1->key+100); - pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); -release: - freeAsmop(left,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); + size = AOP_SIZE(result); + offset = 1; + + pctemp = popGetTempReg(); /* grab a temporary working register. */ + + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + + /* offset should be 0, 1 or 3 */ + emitpcode(POC_ANDLW, popGetLit(0x07 + ((offset&3) << 3))); + emitSKPNZ; + emitpcode(POC_GOTO, popGetLabel(tlbl1->key)); + + emitpcode(POC_MOVWF, pctemp); + + + emitpLabel(tlbl->key); + + emitCLRC; + emitpcode(POC_RLF, popGet(AOP(result),0)); + while(--size) + emitpcode(POC_RLF, popGet(AOP(result),offset++)); + + emitpcode(POC_DECFSZ, pctemp); + emitpcode(POC_GOTO,popGetLabel(tlbl->key)); + emitpLabel(tlbl1->key); + + popReleaseTempReg(pctemp); + + + release: + freeAsmop (right,NULL,ic,TRUE); + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -5910,21 +7380,27 @@ static void genrshOne (operand *result, operand *left, static void genrshTwo (operand *result,operand *left, int shCount, int sign) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if shCount >= 8 */ - if (shCount >= 8) { - shCount -= 8 ; - if (shCount) - shiftR1Left2Result(left, MSB16, result, LSB, - shCount, sign); - else - movLeft2Result(left, MSB16, result, LSB, sign); - addSign(result, MSB16, sign); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* if shCount >= 8 */ + if (shCount >= 8) { + shCount -= 8 ; + if (shCount) + shiftR1Left2Result(left, MSB16, result, LSB, + shCount, sign); + else + movLeft2Result(left, MSB16, result, LSB); + + emitpcode(POC_CLRF,popGet(AOP(result),MSB16)); + + if(sign) { + emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),LSB,FALSE,FALSE),7,0)); + emitpcode(POC_DECF, popGet(AOP(result),MSB16)); } + } - /* 1 <= shCount <= 7 */ - else - shiftR2Left2Result(left, LSB, result, LSB, shCount, sign); + /* 1 <= shCount <= 7 */ + else + shiftR2Left2Result(left, LSB, result, LSB, shCount, sign); } /*-----------------------------------------------------------------*/ @@ -5967,56 +7443,57 @@ static void shiftRLong (operand *left, int offl, static void genrshFour (operand *result, operand *left, int shCount, int sign) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if shifting more that 3 bytes */ - if(shCount >= 24 ) { - shCount -= 24; - if(shCount) - shiftR1Left2Result(left, MSB32, result, LSB, shCount, sign); - else - movLeft2Result(left, MSB32, result, LSB, sign); - addSign(result, MSB16, sign); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* if shifting more that 3 bytes */ + if(shCount >= 24 ) { + shCount -= 24; + if(shCount) + shiftR1Left2Result(left, MSB32, result, LSB, shCount, sign); + else + movLeft2Result(left, MSB32, result, LSB); + + addSign(result, MSB16, sign); + } + else if(shCount >= 16){ + shCount -= 16; + if(shCount) + shiftR2Left2Result(left, MSB24, result, LSB, shCount, sign); + else{ + movLeft2Result(left, MSB24, result, LSB); + movLeft2Result(left, MSB32, result, MSB16); } - else if(shCount >= 16){ - shCount -= 16; - if(shCount) - shiftR2Left2Result(left, MSB24, result, LSB, shCount, sign); - else{ - movLeft2Result(left, MSB24, result, LSB, 0); - movLeft2Result(left, MSB32, result, MSB16, sign); - } - addSign(result, MSB24, sign); + addSign(result, MSB24, sign); + } + else if(shCount >= 8){ + shCount -= 8; + if(shCount == 1) + shiftRLong(left, MSB16, result, sign); + else if(shCount == 0){ + movLeft2Result(left, MSB16, result, LSB); + movLeft2Result(left, MSB24, result, MSB16); + movLeft2Result(left, MSB32, result, MSB24); + addSign(result, MSB32, sign); } - else if(shCount >= 8){ - shCount -= 8; - if(shCount == 1) - shiftRLong(left, MSB16, result, sign); - else if(shCount == 0){ - movLeft2Result(left, MSB16, result, LSB, 0); - movLeft2Result(left, MSB24, result, MSB16, 0); - movLeft2Result(left, MSB32, result, MSB24, sign); - addSign(result, MSB32, sign); - } - else{ - shiftR2Left2Result(left, MSB16, result, LSB, shCount, 0); - shiftLLeftOrResult(left, MSB32, result, MSB16, 8 - shCount); - /* the last shift is signed */ - shiftR1Left2Result(left, MSB32, result, MSB24, shCount, sign); - addSign(result, MSB32, sign); - } + else{ + shiftR2Left2Result(left, MSB16, result, LSB, shCount, 0); + shiftLLeftOrResult(left, MSB32, result, MSB16, 8 - shCount); + /* the last shift is signed */ + shiftR1Left2Result(left, MSB32, result, MSB24, shCount, sign); + addSign(result, MSB32, sign); } - else{ /* 1 <= shCount <= 7 */ - if(shCount <= 2){ - shiftRLong(left, LSB, result, sign); - if(shCount == 2) - shiftRLong(result, LSB, result, sign); - } - else{ - shiftR2Left2Result(left, LSB, result, LSB, shCount, 0); - shiftLLeftOrResult(left, MSB24, result, MSB16, 8 - shCount); - shiftR2Left2Result(left, MSB24, result, MSB24, shCount, sign); - } + } + else{ /* 1 <= shCount <= 7 */ + if(shCount <= 2){ + shiftRLong(left, LSB, result, sign); + if(shCount == 2) + shiftRLong(result, LSB, result, sign); + } + else{ + shiftR2Left2Result(left, LSB, result, LSB, shCount, 0); + shiftLLeftOrResult(left, MSB24, result, MSB16, 8 - shCount); + shiftR2Left2Result(left, MSB24, result, MSB24, shCount, sign); } + } } /*-----------------------------------------------------------------*/ @@ -6028,55 +7505,75 @@ static void genRightShiftLiteral (operand *left, iCode *ic, int sign) { - int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit); - int size; + int shCount = (int) floatFromVal (AOP(right)->aopu.aop_lit); + int lsize,res_size; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - freeAsmop(right,NULL,ic,TRUE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + freeAsmop(right,NULL,ic,TRUE); - aopOp(left,ic,FALSE); - aopOp(result,ic,FALSE); + aopOp(left,ic,FALSE); + aopOp(result,ic,FALSE); #if VIEW_SIZE - pic14_emitcode("; shift right ","result %d, left %d",AOP_SIZE(result), - AOP_SIZE(left)); + pic14_emitcode("; shift right ","result %d, left %d",AOP_SIZE(result), + AOP_SIZE(left)); #endif - size = pic14_getDataSize(left); - /* test the LEFT size !!! */ + lsize = pic14_getDataSize(left); + res_size = pic14_getDataSize(result); + /* test the LEFT size !!! */ - /* I suppose that the left size >= result size */ - if(shCount == 0){ - size = pic14_getDataSize(result); - while(size--) - movLeft2Result(left, size, result, size, 0); - } + /* I suppose that the left size >= result size */ + if(shCount == 0){ + while(res_size--) + movLeft2Result(left, lsize, result, res_size); + } - else if(shCount >= (size * 8)){ - if(sign) - /* get sign in acc.7 */ - MOVA(aopGet(AOP(left),size-1,FALSE,FALSE)); - addSign(result, LSB, sign); - } else{ - switch (size) { - case 1: - genrshOne (result,left,shCount,sign); - break; + else if(shCount >= (lsize * 8)){ - case 2: - genrshTwo (result,left,shCount,sign); - break; + if(res_size == 1) { + emitpcode(POC_CLRF, popGet(AOP(result),LSB)); + if(sign) { + emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(left),lsize-1,FALSE,FALSE),7,0)); + emitpcode(POC_DECF, popGet(AOP(result),LSB)); + } + } else { - case 4: - genrshFour (result,left,shCount,sign); - break; - default : - break; - } + if(sign) { + emitpcode(POC_MOVLW, popGetLit(0)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(left),lsize-1,FALSE,FALSE),7,0)); + emitpcode(POC_MOVLW, popGetLit(0xff)); + while(res_size--) + emitpcode(POC_MOVWF, popGet(AOP(result),res_size)); + + } else { + + while(res_size--) + emitpcode(POC_CLRF, popGet(AOP(result),res_size)); + } + } + } else { + + switch (res_size) { + case 1: + genrshOne (result,left,shCount,sign); + break; + + case 2: + genrshTwo (result,left,shCount,sign); + break; - freeAsmop(left,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); + case 4: + genrshFour (result,left,shCount,sign); + break; + default : + break; } + + } + + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -6084,97 +7581,140 @@ static void genRightShiftLiteral (operand *left, /*-----------------------------------------------------------------*/ static void genSignedRightShift (iCode *ic) { - operand *right, *left, *result; - int size, offset; - char *l; - symbol *tlbl, *tlbl1 ; + operand *right, *left, *result; + int size, offset; + // char *l; + symbol *tlbl, *tlbl1 ; + pCodeOp *pctemp; - /* we do it the hard way put the shift count in b - and loop thru preserving the sign */ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + //same = ((left == result) || (AOP(left) == AOP(result))) && (offl == offr); - right = IC_RIGHT(ic); - left = IC_LEFT(ic); - result = IC_RESULT(ic); + /* we do it the hard way put the shift count in b + and loop thru preserving the sign */ + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(right,ic,FALSE); + right = IC_RIGHT(ic); + left = IC_LEFT(ic); + result = IC_RESULT(ic); + aopOp(right,ic,FALSE); + aopOp(left,ic,FALSE); + aopOp(result,ic,FALSE); - if ( AOP_TYPE(right) == AOP_LIT) { - genRightShiftLiteral (left,right,result,ic,1); - return ; - } - /* shift count is unknown then we have to form - a loop get the loop count in B : Note: we take - only the lower order byte since shifting - more that 32 bits make no sense anyway, ( the - largest size of an object can be only 32 bits ) */ - pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE)); - pic14_emitcode("inc","b"); - freeAsmop (right,NULL,ic,TRUE); - aopOp(left,ic,FALSE); - aopOp(result,ic,FALSE); + if ( AOP_TYPE(right) == AOP_LIT) { + genRightShiftLiteral (left,right,result,ic,1); + return ; + } + /* shift count is unknown then we have to form + a loop get the loop count in B : Note: we take + only the lower order byte since shifting + more that 32 bits make no sense anyway, ( the + largest size of an object can be only 32 bits ) */ + + //pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE)); + //pic14_emitcode("inc","b"); + //freeAsmop (right,NULL,ic,TRUE); + //aopOp(left,ic,FALSE); + //aopOp(result,ic,FALSE); + + /* now move the left to the result if they are not the + same */ + if (!pic14_sameRegs(AOP(left),AOP(result)) && + AOP_SIZE(result) > 1) { - /* now move the left to the result if they are not the - same */ - if (!pic14_sameRegs(AOP(left),AOP(result)) && - AOP_SIZE(result) > 1) { + size = AOP_SIZE(result); + offset=0; + while (size--) { + /* + l = aopGet(AOP(left),offset,FALSE,TRUE); + if (*l == '@' && IS_AOP_PREG(result)) { - size = AOP_SIZE(result); - offset=0; - while (size--) { - l = aopGet(AOP(left),offset,FALSE,TRUE); - if (*l == '@' && IS_AOP_PREG(result)) { + pic14_emitcode("mov","a,%s",l); + aopPut(AOP(result),"a",offset); + } else + aopPut(AOP(result),l,offset); + */ + emitpcode(POC_MOVFW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); - pic14_emitcode("mov","a,%s",l); - aopPut(AOP(result),"a",offset); - } else - aopPut(AOP(result),l,offset); - offset++; - } + offset++; } + } + + /* mov the highest order bit to OVR */ + tlbl = newiTempLabel(NULL); + tlbl1= newiTempLabel(NULL); + + size = AOP_SIZE(result); + offset = size - 1; + + pctemp = popGetTempReg(); /* grab a temporary working register. */ - /* mov the highest order bit to OVR */ - tlbl = newiTempLabel(NULL); - tlbl1= newiTempLabel(NULL); + emitpcode(POC_MOVFW, popGet(AOP(right),0)); - size = AOP_SIZE(result); - offset = size - 1; - pic14_emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE)); - pic14_emitcode("rlc","a"); - pic14_emitcode("mov","ov,c"); - /* if it is only one byte then */ - if (size == 1) { - l = aopGet(AOP(left),0,FALSE,FALSE); - MOVA(l); - pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - pic14_emitcode("mov","c,ov"); - pic14_emitcode("rrc","a"); - pic14_emitcode("","%05d_DS_:",tlbl1->key+100); - pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); - aopPut(AOP(result),"a",0); - goto release ; - } + /* offset should be 0, 1 or 3 */ + emitpcode(POC_ANDLW, popGetLit(0x07 + ((offset&3) << 3))); + emitSKPNZ; + emitpcode(POC_GOTO, popGetLabel(tlbl1->key)); - reAdjustPreg(AOP(result)); + emitpcode(POC_MOVWF, pctemp); + + + emitpLabel(tlbl->key); + + emitpcode(POC_RLFW, popGet(AOP(result),offset)); + emitpcode(POC_RRF, popGet(AOP(result),offset)); + + while(--size) { + emitpcode(POC_RRF, popGet(AOP(result),--offset)); + } + + emitpcode(POC_DECFSZ, pctemp); + emitpcode(POC_GOTO,popGetLabel(tlbl->key)); + emitpLabel(tlbl1->key); + + popReleaseTempReg(pctemp); +#if 0 + size = AOP_SIZE(result); + offset = size - 1; + pic14_emitcode("mov","a,%s",aopGet(AOP(left),offset,FALSE,FALSE)); + pic14_emitcode("rlc","a"); + pic14_emitcode("mov","ov,c"); + /* if it is only one byte then */ + if (size == 1) { + l = aopGet(AOP(left),0,FALSE,FALSE); + MOVA(l); pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); + pic14_emitcode("","%05d_DS_:",tlbl->key+100); pic14_emitcode("mov","c,ov"); - while (size--) { - l = aopGet(AOP(result),offset,FALSE,FALSE); - MOVA(l); - pic14_emitcode("rrc","a"); - aopPut(AOP(result),"a",offset--); - } - reAdjustPreg(AOP(result)); + pic14_emitcode("rrc","a"); pic14_emitcode("","%05d_DS_:",tlbl1->key+100); pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); + aopPut(AOP(result),"a",0); + goto release ; + } -release: - freeAsmop(left,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); + reAdjustPreg(AOP(result)); + pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); + pic14_emitcode("","%05d_DS_:",tlbl->key+100); + pic14_emitcode("mov","c,ov"); + while (size--) { + l = aopGet(AOP(result),offset,FALSE,FALSE); + MOVA(l); + pic14_emitcode("rrc","a"); + aopPut(AOP(result),"a",offset--); + } + reAdjustPreg(AOP(result)); + pic14_emitcode("","%05d_DS_:",tlbl1->key+100); + pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); + + release: +#endif + + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); + freeAsmop(right,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -6226,7 +7766,6 @@ static void genRightShift (iCode *ic) pic14_emitcode("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE)); pic14_emitcode("inc","b"); - freeAsmop (right,NULL,ic,TRUE); aopOp(left,ic,FALSE); aopOp(result,ic,FALSE); @@ -6256,16 +7795,22 @@ static void genRightShift (iCode *ic) /* if it is only one byte then */ if (size == 1) { - l = aopGet(AOP(left),0,FALSE,FALSE); - MOVA(l); - pic14_emitcode("sjmp","%05d_DS_",tlbl1->key+100); - pic14_emitcode("","%05d_DS_:",tlbl->key+100); - CLRC; - pic14_emitcode("rrc","a"); - pic14_emitcode("","%05d_DS_:",tlbl1->key+100); - pic14_emitcode("djnz","b,%05d_DS_",tlbl->key+100); - aopPut(AOP(result),"a",0); - goto release ; + + tlbl = newiTempLabel(NULL); + if (!pic14_sameRegs(AOP(left),AOP(result))) { + emitpcode(POC_MOVFW, popGet(AOP(left),0)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); + } + + emitpcode(POC_COMFW, popGet(AOP(right),0)); + emitpcode(POC_RLF, popGet(AOP(result),0)); + emitpLabel(tlbl->key); + emitpcode(POC_RRF, popGet(AOP(result),0)); + emitpcode(POC_ADDLW, popGetLit(1)); + emitSKPC; + emitpcode(POC_GOTO,popGetLabel(tlbl->key)); + + goto release ; } reAdjustPreg(AOP(result)); @@ -6285,6 +7830,7 @@ static void genRightShift (iCode *ic) release: freeAsmop(left,NULL,ic,TRUE); + freeAsmop (right,NULL,ic,TRUE); freeAsmop(result,NULL,ic,TRUE); } @@ -6394,7 +7940,7 @@ static void genUnpackBits (operand *result, char *rname, int ptype) return ; } - +#if 0 /*-----------------------------------------------------------------*/ /* genDataPointerGet - generates code when ptr offset is known */ /*-----------------------------------------------------------------*/ @@ -6415,19 +7961,21 @@ static void genDataPointerGet (operand *left, aopOp(result,ic,TRUE); - emitpcode(POC_MOVFW, popGet(AOP(left),0,FALSE,TRUE)); + DEBUGpic14_AopType(__LINE__,left,NULL,result); + + emitpcode(POC_MOVFW, popGet(AOP(left),0)); size = AOP_SIZE(result); while (size--) { - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,TRUE)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); offset++; } freeAsmop(left,NULL,ic,TRUE); freeAsmop(result,NULL,ic,TRUE); } - +#endif /*-----------------------------------------------------------------*/ /* genNearPointerGet - pic14_emitcode for near pointer fetch */ /*-----------------------------------------------------------------*/ @@ -6436,11 +7984,11 @@ static void genNearPointerGet (operand *left, iCode *ic) { asmop *aop = NULL; - regs *preg = NULL ; + //regs *preg = NULL ; char *rname ; sym_link *rtype, *retype; sym_link *ltype = operandType(left); - char buffer[80]; + //char buffer[80]; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); @@ -6453,10 +8001,10 @@ static void genNearPointerGet (operand *left, result is not bit variable type and the left is pointer to data space i.e lower 128 bytes of space */ - if (AOP_TYPE(left) == AOP_IMMD && + if (AOP_TYPE(left) == AOP_PCODE && //AOP_TYPE(left) == AOP_IMMD && !IS_BITVAR(retype) && DCL_TYPE(ltype) == POINTER) { - genDataPointerGet (left,result,ic); + //genDataPointerGet (left,result,ic); return ; } @@ -6467,16 +8015,18 @@ static void genNearPointerGet (operand *left, if (!AOP_INPREG(AOP(left))) { /* otherwise get a free pointer register */ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); +/* aop = newAsmop(0); preg = getFreePtr(ic,&aop,FALSE); pic14_emitcode("mov","%s,%s", preg->name, aopGet(AOP(left),0,FALSE,TRUE)); rname = preg->name ; +*/ + rname ="BAD"; } else rname = aopGet(AOP(left),0,FALSE,FALSE); - freeAsmop(left,NULL,ic,TRUE); aopOp (result,ic,FALSE); /* if bitfield then unpack the bits */ @@ -6484,10 +8034,20 @@ static void genNearPointerGet (operand *left, genUnpackBits (result,rname,POINTER); else { /* we have can just get the values */ - int size = AOP_SIZE(result); - int offset = 0 ; + int size = AOP_SIZE(result); + int offset = 0 ; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + emitpcode(POC_MOVFW,popGet(AOP(left),0)); + emitpcode(POC_MOVWF,popCopyReg(&pc_fsr)); + while(size--) { + emitpcode(POC_MOVFW,popCopyReg(&pc_indf)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset++)); + if(size) + emitpcode(POC_INCF,popCopyReg(&pc_fsr)); + } +/* while (size--) { if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) { @@ -6501,6 +8061,7 @@ static void genNearPointerGet (operand *left, if (size) pic14_emitcode("inc","%s",rname); } +*/ } /* now some housekeeping stuff */ @@ -6526,6 +8087,7 @@ static void genNearPointerGet (operand *left, } /* done */ + freeAsmop(left,NULL,ic,TRUE); freeAsmop(result,NULL,ic,TRUE); } @@ -6660,11 +8222,11 @@ static void genFarPointerGet (operand *left, freeAsmop(result,NULL,ic,TRUE); } - +#if 0 /*-----------------------------------------------------------------*/ -/* pic14_emitcodePointerGet - gget value from code space */ +/* genCodePointerGet - get value from code space */ /*-----------------------------------------------------------------*/ -static void pic14_emitcodePointerGet (operand *left, +static void genCodePointerGet (operand *left, operand *result, iCode *ic) { int size, offset ; @@ -6711,78 +8273,100 @@ static void pic14_emitcodePointerGet (operand *left, freeAsmop(result,NULL,ic,TRUE); } - +#endif /*-----------------------------------------------------------------*/ /* genGenPointerGet - gget value from generic pointer space */ /*-----------------------------------------------------------------*/ static void genGenPointerGet (operand *left, operand *result, iCode *ic) { - int size, offset ; - sym_link *retype = getSpec(operandType(result)); + int size, offset ; + sym_link *retype = getSpec(operandType(result)); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(left,ic,FALSE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + aopOp(left,ic,FALSE); + aopOp(result,ic,FALSE); - /* if the operand is already in dptr - then we do nothing else we move the value to dptr */ - if (AOP_TYPE(left) != AOP_STR) { - /* if this is remateriazable */ - if (AOP_TYPE(left) == AOP_IMMD) { - pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE)); - pic14_emitcode("mov","b,#%d",pointerCode(retype)); - } - else { /* we need to get it byte by byte */ - emitpcode(POC_MOVFW,popCopyReg(&pc_indf)); - //emitpcode(POC_MOVFW,popGet(AOP(left),0,FALSE,FALSE)); - //emitpcode(POC_MOVWF,popCopyReg(&pc_fsr)); - pic14_emitcode("movf","%s,w",aopGet(AOP(left),0,FALSE,FALSE)); - pic14_emitcode("movwf","FSR"); - /* - pic14_emitcode("mov","dpl,%s",aopGet(AOP(left),0,FALSE,FALSE)); - pic14_emitcode("mov","dph,%s",aopGet(AOP(left),1,FALSE,FALSE)); - if (options.model == MODEL_FLAT24) - { - pic14_emitcode("mov", "dpx,%s",aopGet(AOP(left),2,FALSE,FALSE)); - pic14_emitcode("mov","b,%s",aopGet(AOP(left),3,FALSE,FALSE)); - } - else - { - pic14_emitcode("mov","b,%s",aopGet(AOP(left),2,FALSE,FALSE)); - } - */ - } + + DEBUGpic14_AopType(__LINE__,left,NULL,result); + + /* if the operand is already in dptr + then we do nothing else we move the value to dptr */ + // if (AOP_TYPE(left) != AOP_STR) { + /* if this is remateriazable */ + if (AOP_TYPE(left) == AOP_IMMD) { + pic14_emitcode("mov","dptr,%s",aopGet(AOP(left),0,TRUE,FALSE)); + pic14_emitcode("mov","b,#%d",pointerCode(retype)); } - /* so dptr know contains the address */ - freeAsmop(left,NULL,ic,TRUE); - aopOp(result,ic,FALSE); + else { /* we need to get it byte by byte */ - /* if bit then unpack */ - if (IS_BITVAR(retype)) - genUnpackBits(result,"dptr",GPOINTER); - else { - size = AOP_SIZE(result); - offset = 0 ; + emitpcode(POC_MOVFW,popGet(AOP(left),0)); + emitpcode(POC_MOVWF,popCopyReg(&pc_fsr)); - while (size--) { - emitpcode(POC_MOVFW,popCopyReg(&pc_indf)); + size = AOP_SIZE(result); + offset = 0 ; - emitpcode(POC_MOVWF,popGet(AOP(result),offset++,FALSE,FALSE)); - if(size) - emitpcode(POC_INCF,popCopyReg(&pc_fsr)); -/* - pic14_emitcode("movf","indf,w"); - pic14_emitcode("movwf","%s", - aopGet(AOP(result),offset++,FALSE,FALSE)); - if (size) - pic14_emitcode("incf","fsr,f"); -*/ - } + while(size--) { + emitpcode(POC_MOVFW,popCopyReg(&pc_indf)); + emitpcode(POC_MOVWF,popGet(AOP(result),offset++)); + if(size) + emitpcode(POC_INCF,popCopyReg(&pc_fsr)); + } + goto release; } + //} + /* so dptr know contains the address */ + + /* if bit then unpack */ + //if (IS_BITVAR(retype)) + // genUnpackBits(result,"dptr",GPOINTER); + + release: + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); - freeAsmop(result,NULL,ic,TRUE); } +/*-----------------------------------------------------------------*/ +/* genConstPointerGet - get value from const generic pointer space */ +/*-----------------------------------------------------------------*/ +static void genConstPointerGet (operand *left, + operand *result, iCode *ic) +{ + //sym_link *retype = getSpec(operandType(result)); + symbol *albl = newiTempLabel(NULL); + symbol *blbl = newiTempLabel(NULL); + PIC_OPCODE poc; + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + aopOp(left,ic,FALSE); + aopOp(result,ic,FALSE); + + + DEBUGpic14_AopType(__LINE__,left,NULL,result); + + DEBUGpic14_emitcode ("; "," %d getting const pointer",__LINE__); + + emitpcode(POC_CALL,popGetLabel(albl->key)); + emitpcode(POC_GOTO,popGetLabel(blbl->key)); + emitpLabel(albl->key); + + poc = ( (AOP_TYPE(left) == AOP_PCODE) ? POC_MOVLW : POC_MOVFW); + + emitpcode(poc,popGet(AOP(left),1)); + emitpcode(POC_MOVWF,popCopyReg(&pc_pclath)); + emitpcode(poc,popGet(AOP(left),0)); + emitpcode(POC_MOVWF,popCopyReg(&pc_pcl)); + + emitpLabel(blbl->key); + + emitpcode(POC_MOVWF,popGet(AOP(result),0)); + + + freeAsmop(left,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); + +} /*-----------------------------------------------------------------*/ /* genPointerGet - generate code for pointer get */ /*-----------------------------------------------------------------*/ @@ -6801,6 +8385,10 @@ static void genPointerGet (iCode *ic) move it to the correct pointer register */ type = operandType(left); etype = getSpec(type); + + if (IS_PTR_CONST(type)) + DEBUGpic14_emitcode ("; ***","%d - const pointer",__LINE__); + /* if left is of type of pointer then it is simple */ if (IS_PTR(type) && !IS_FUNC(type->next)) p_type = DCL_TYPE(type); @@ -6808,19 +8396,26 @@ static void genPointerGet (iCode *ic) /* we have to go by the storage class */ p_type = PTR_TYPE(SPEC_OCLS(etype)); -/* if (SPEC_OCLS(etype)->codesp ) { */ -/* p_type = CPOINTER ; */ -/* } */ -/* else */ -/* if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) */ -/* p_type = FPOINTER ; */ -/* else */ -/* if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) */ + DEBUGpic14_emitcode ("; ***","%d - resolve pointer by storage class",__LINE__); + + if (SPEC_OCLS(etype)->codesp ) { + DEBUGpic14_emitcode ("; ***","%d - cpointer",__LINE__); + //p_type = CPOINTER ; + } + else + if (SPEC_OCLS(etype)->fmap && !SPEC_OCLS(etype)->paged) + DEBUGpic14_emitcode ("; ***","%d - fpointer",__LINE__); + /*p_type = FPOINTER ;*/ + else + if (SPEC_OCLS(etype)->fmap && SPEC_OCLS(etype)->paged) + DEBUGpic14_emitcode ("; ***","%d - ppointer",__LINE__); /* p_type = PPOINTER; */ -/* else */ -/* if (SPEC_OCLS(etype) == idata ) */ + else + if (SPEC_OCLS(etype) == idata ) + DEBUGpic14_emitcode ("; ***","%d - ipointer",__LINE__); /* p_type = IPOINTER; */ -/* else */ + else + DEBUGpic14_emitcode ("; ***","%d - pointer",__LINE__); /* p_type = POINTER ; */ } @@ -6842,12 +8437,16 @@ static void genPointerGet (iCode *ic) break; case CPOINTER: - pic14_emitcodePointerGet (left,result,ic); + genConstPointerGet (left,result,ic); + //pic14_emitcodePointerGet (left,result,ic); break; case GPOINTER: + if (IS_PTR_CONST(type)) + genConstPointerGet (left,result,ic); + else genGenPointerGet (left,result,ic); - break; + break; } } @@ -7024,12 +8623,21 @@ static void genDataPointerSet(operand *right, l = aopGet(AOP(result),0,FALSE,TRUE); size = AOP_SIZE(right); +/* + if ( AOP_TYPE(result) == AOP_PCODE) { + fprintf(stderr,"genDataPointerSet %s, %d\n", + AOP(result)->aopu.pcop->name, + PCOI(AOP(result)->aopu.pcop)->offset); + } +*/ + // tsd, was l+1 - the underline `_' prefix was being stripped while (size--) { - if (offset) - sprintf(buffer,"(%s + %d)",l,offset); - else - sprintf(buffer,"%s",l); + if (offset) { + sprintf(buffer,"(%s + %d)",l,offset); + fprintf(stderr,"oops %s\n",buffer); + } else + sprintf(buffer,"%s",l); if (AOP_TYPE(right) == AOP_LIT) { unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit); @@ -7039,18 +8647,21 @@ static void genDataPointerSet(operand *right, pic14_emitcode("movwf","%s",buffer); emitpcode(POC_MOVLW, popGetLit(lit&0xff)); - emitpcode(POC_MOVWF, popRegFromString(buffer)); + //emitpcode(POC_MOVWF, popRegFromString(buffer)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); } else { pic14_emitcode("clrf","%s",buffer); - emitpcode(POC_CLRF, popRegFromString(buffer)); + //emitpcode(POC_CLRF, popRegFromString(buffer)); + emitpcode(POC_CLRF, popGet(AOP(result),0)); } }else { pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset,FALSE,FALSE)); pic14_emitcode("movwf","%s",buffer); - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_MOVWF, popRegFromString(buffer)); + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + //emitpcode(POC_MOVWF, popRegFromString(buffer)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); } @@ -7068,116 +8679,124 @@ static void genNearPointerSet (operand *right, operand *result, iCode *ic) { - asmop *aop = NULL; - char *l; - sym_link *retype; - sym_link *ptype = operandType(result); + asmop *aop = NULL; + char *l; + sym_link *retype; + sym_link *ptype = operandType(result); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - retype= getSpec(operandType(right)); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + retype= getSpec(operandType(right)); - aopOp(result,ic,FALSE); - - /* if the result is rematerializable & - in data space & not a bit variable */ - if (AOP_TYPE(result) == AOP_IMMD && - DCL_TYPE(ptype) == POINTER && - !IS_BITVAR(retype)) { - genDataPointerSet (right,result,ic); - return; - } + aopOp(result,ic,FALSE); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + /* if the result is rematerializable & + in data space & not a bit variable */ + //if (AOP_TYPE(result) == AOP_IMMD && + if (AOP_TYPE(result) == AOP_PCODE && //AOP_TYPE(result) == AOP_IMMD && + DCL_TYPE(ptype) == POINTER && + !IS_BITVAR(retype)) { + genDataPointerSet (right,result,ic); + freeAsmop(result,NULL,ic,TRUE); + return; + } - /* if the value is already in a pointer register - then don't need anything more */ - if (!AOP_INPREG(AOP(result))) { - /* otherwise get a free pointer register */ - //aop = newAsmop(0); - //preg = getFreePtr(ic,&aop,FALSE); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - //pic14_emitcode("mov","%s,%s", - // preg->name, - // aopGet(AOP(result),0,FALSE,TRUE)); - //rname = preg->name ; - pic14_emitcode("movwf","fsr"); - }// else - // rname = aopGet(AOP(result),0,FALSE,FALSE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + aopOp(right,ic,FALSE); + DEBUGpic14_AopType(__LINE__,NULL,right,result); - freeAsmop(result,NULL,ic,TRUE); - aopOp (right,ic,FALSE); + /* if the value is already in a pointer register + then don't need anything more */ + if (!AOP_INPREG(AOP(result))) { + /* otherwise get a free pointer register */ + //aop = newAsmop(0); + //preg = getFreePtr(ic,&aop,FALSE); DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - - /* if bitfield then unpack the bits */ - if (IS_BITVAR(retype)) { - werror(E_INTERNAL_ERROR,__FILE__,__LINE__, - "The programmer is obviously confused"); - //genPackBits (retype,right,rname,POINTER); - exit(1); - } - else { - /* we have can just get the values */ - int size = AOP_SIZE(right); - int offset = 0 ; + //pic14_emitcode("mov","%s,%s", + // preg->name, + // aopGet(AOP(result),0,FALSE,TRUE)); + //rname = preg->name ; + //pic14_emitcode("movwf","fsr"); + emitpcode(POC_MOVFW, popGet(AOP(result),0)); + emitpcode(POC_MOVWF, popCopyReg(&pc_fsr)); + emitpcode(POC_MOVFW, popGet(AOP(right),0)); + emitpcode(POC_MOVWF, popCopyReg(&pc_indf)); + goto release; + + }// else + // rname = aopGet(AOP(result),0,FALSE,FALSE); + + + /* if bitfield then unpack the bits */ + if (IS_BITVAR(retype)) { + werror(E_INTERNAL_ERROR,__FILE__,__LINE__, + "The programmer is obviously confused"); + //genPackBits (retype,right,rname,POINTER); + exit(1); + } + else { + /* we have can just get the values */ + int size = AOP_SIZE(right); + int offset = 0 ; DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - while (size--) { - l = aopGet(AOP(right),offset,FALSE,TRUE); - if (*l == '@' ) { - //MOVA(l); - //pic14_emitcode("mov","@%s,a",rname); - pic14_emitcode("movf","indf,w ;1"); - } else { + while (size--) { + l = aopGet(AOP(right),offset,FALSE,TRUE); + if (*l == '@' ) { + //MOVA(l); + //pic14_emitcode("mov","@%s,a",rname); + pic14_emitcode("movf","indf,w ;1"); + } else { - if (AOP_TYPE(right) == AOP_LIT) { - unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit); - if(lit) { - pic14_emitcode("movlw","%s",l); - pic14_emitcode("movwf","indf ;2"); - } else - pic14_emitcode("clrf","indf"); - }else { - pic14_emitcode("movf","%s,w",l); - pic14_emitcode("movwf","indf ;2"); - } - //pic14_emitcode("mov","@%s,%s",rname,l); - } - if (size) - pic14_emitcode("incf","fsr,f ;3"); - //pic14_emitcode("inc","%s",rname); - offset++; - } + if (AOP_TYPE(right) == AOP_LIT) { + unsigned int lit = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit); + if(lit) { + pic14_emitcode("movlw","%s",l); + pic14_emitcode("movwf","indf ;2"); + } else + pic14_emitcode("clrf","indf"); + }else { + pic14_emitcode("movf","%s,w",l); + pic14_emitcode("movwf","indf ;2"); + } + //pic14_emitcode("mov","@%s,%s",rname,l); + } + if (size) + pic14_emitcode("incf","fsr,f ;3"); + //pic14_emitcode("inc","%s",rname); + offset++; } + } + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* now some housekeeping stuff */ + if (aop) { + /* we had to allocate for this iCode */ + freeAsmop(NULL,aop,ic,TRUE); + } else { + /* we did not allocate which means left + already in a pointer register, then + if size > 0 && this could be used again + we have to point it back to where it + belongs */ DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* now some housekeeping stuff */ - if (aop) { - /* we had to allocate for this iCode */ - freeAsmop(NULL,aop,ic,TRUE); - } else { - /* we did not allocate which means left - already in a pointer register, then - if size > 0 && this could be used again - we have to point it back to where it - belongs */ - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if (AOP_SIZE(right) > 1 && - !OP_SYMBOL(result)->remat && - ( OP_SYMBOL(result)->liveTo > ic->seq || - ic->depth )) { - int size = AOP_SIZE(right) - 1; - while (size--) - pic14_emitcode("decf","fsr,f"); - //pic14_emitcode("dec","%s",rname); - } + if (AOP_SIZE(right) > 1 && + !OP_SYMBOL(result)->remat && + ( OP_SYMBOL(result)->liveTo > ic->seq || + ic->depth )) { + int size = AOP_SIZE(right) - 1; + while (size--) + pic14_emitcode("decf","fsr,f"); + //pic14_emitcode("dec","%s",rname); } + } - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* done */ - freeAsmop(right,NULL,ic,TRUE); - - + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + /* done */ + release: + freeAsmop(right,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -7317,59 +8936,105 @@ static void genFarPointerSet (operand *right, static void genGenPointerSet (operand *right, operand *result, iCode *ic) { - int size, offset ; - sym_link *retype = getSpec(operandType(right)); + int size, offset ; + sym_link *retype = getSpec(operandType(right)); + + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + + aopOp(result,ic,FALSE); + aopOp(right,ic,FALSE); + size = AOP_SIZE(right); + + DEBUGpic14_AopType(__LINE__,NULL,right,result); + + /* if the operand is already in dptr + then we do nothing else we move the value to dptr */ + if (AOP_TYPE(result) != AOP_STR) { + /* if this is remateriazable */ + if (AOP_TYPE(result) == AOP_IMMD) { + pic14_emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE)); + pic14_emitcode("mov","b,%s + 1",aopGet(AOP(result),0,TRUE,FALSE)); + } + else { /* we need to get it byte by byte */ + //char *l = aopGet(AOP(result),0,FALSE,FALSE); + size = AOP_SIZE(right); + offset = 0 ; + + /* hack hack! see if this the FSR. If so don't load W */ + if(AOP_TYPE(right) != AOP_ACC) { + + + emitpcode(POC_MOVFW,popGet(AOP(result),0)); + emitpcode(POC_MOVWF,popCopyReg(&pc_fsr)); - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if(AOP_SIZE(result) > 1) { + emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT)); + emitpcode(POC_BTFSC,newpCodeOpBit(aopGet(AOP(result),1,FALSE,FALSE),0,0)); + emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT)); - aopOp(result,ic,FALSE); + } - /* if the operand is already in dptr - then we do nothing else we move the value to dptr */ - if (AOP_TYPE(result) != AOP_STR) { - /* if this is remateriazable */ - if (AOP_TYPE(result) == AOP_IMMD) { - pic14_emitcode("mov","dptr,%s",aopGet(AOP(result),0,TRUE,FALSE)); - pic14_emitcode("mov","b,%s + 1",aopGet(AOP(result),0,TRUE,FALSE)); - } - else { /* we need to get it byte by byte */ - char *l = aopGet(AOP(result),0,FALSE,FALSE); + //if(size==2) + //emitpcode(POC_DECF,popCopyReg(&pc_fsr)); + //if(size==4) { + // emitpcode(POC_MOVLW,popGetLit(0xfd)); + // emitpcode(POC_ADDWF,popCopyReg(&pc_fsr)); + //} - if(strcmp("FSR",l)) - emitpcode(POC_MOVLW ,popGet(AOP(result),0,FALSE,FALSE)); + while(size--) { + emitpcode(POC_MOVFW,popGet(AOP(right),offset++)); emitpcode(POC_MOVWF,popCopyReg(&pc_indf)); + + if(size) + emitpcode(POC_INCF,popCopyReg(&pc_fsr)); + } - if(strcmp("FSR",l)) - pic14_emitcode("movlw","%s",aopGet(AOP(result),0,FALSE,FALSE)); - pic14_emitcode("movwf","INDF"); - } + goto release; + } + + if(aopIdx(AOP(result),0) != 4) { + + emitpcode(POC_MOVWF,popCopyReg(&pc_indf)); + goto release; + } + + emitpcode(POC_MOVWF,popCopyReg(&pc_indf)); + goto release; + } - /* so dptr know contains the address */ - freeAsmop(result,NULL,ic,TRUE); - aopOp(right,ic,FALSE); + } + /* so dptr know contains the address */ - /* if bit then unpack */ - if (IS_BITVAR(retype)) - genPackBits(retype,right,"dptr",GPOINTER); - else { - size = AOP_SIZE(right); - offset = 0 ; - while (--size) { - //char *l = aopGet(AOP(right),offset++,FALSE,FALSE); - if(size) - pic14_emitcode("incf","fsr,f"); - pic14_emitcode("movf","%s,w",aopGet(AOP(right),offset++,FALSE,FALSE)); - pic14_emitcode("movwf","indf"); - //MOVA(l); - //DEBUGpic14_emitcode(";lcall","__gptrput"); - //if (size) - // pic14_emitcode("inc","dptr"); - } + /* if bit then unpack */ + if (IS_BITVAR(retype)) + genPackBits(retype,right,"dptr",GPOINTER); + else { + size = AOP_SIZE(right); + offset = 0 ; + + DEBUGpic14_emitcode ("; ***","%s %d size=%d",__FUNCTION__,__LINE__,size); + + while (size--) { + + emitpcode(POC_MOVFW,popGet(AOP(result),offset)); + emitpcode(POC_MOVWF,popCopyReg(&pc_fsr)); + + if (AOP_TYPE(right) == AOP_LIT) + emitpcode(POC_MOVLW, popGet(AOP(right),offset)); + else + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + + emitpcode(POC_MOVWF,popCopyReg(&pc_indf)); + + offset++; } + } - freeAsmop(right,NULL,ic,TRUE); + release: + freeAsmop(right,NULL,ic,TRUE); + freeAsmop(result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -7434,8 +9099,11 @@ static void genPointerSet (iCode *ic) case GPOINTER: genGenPointerSet (right,result,ic); break; - } + default: + werror (E_INTERNAL_ERROR, __FILE__, __LINE__, + "genPointerSet: illegal pointer type"); + } } /*-----------------------------------------------------------------*/ @@ -7443,44 +9111,39 @@ static void genPointerSet (iCode *ic) /*-----------------------------------------------------------------*/ static void genIfx (iCode *ic, iCode *popIc) { - operand *cond = IC_COND(ic); - int isbit =0; - - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(cond,ic,FALSE); + operand *cond = IC_COND(ic); + int isbit =0; - /* get the value into acc */ - if (AOP_TYPE(cond) != AOP_CRY) - pic14_toBoolean(cond); - else - isbit = 1; - /* the result is now in the accumulator */ - freeAsmop(cond,NULL,ic,TRUE); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if there was something to be popped then do it */ - if (popIc) - genIpop(popIc); + aopOp(cond,ic,FALSE); - /* if the condition is a bit variable */ - if (isbit && IS_ITEMP(cond) && - SPIL_LOC(cond)) { - genIfxJump(ic,SPIL_LOC(cond)->rname); - DEBUGpic14_emitcode ("; isbit SPIL_LOC","%s",SPIL_LOC(cond)->rname); - } - else { - /* - if (isbit && !IS_ITEMP(cond)) - DEBUGpic14_emitcode ("; isbit OP_SYM","%s",OP_SYMBOL(cond)->rname); - else - DEBUGpic14_emitcode ("; isbit","a"); - */ + /* get the value into acc */ + if (AOP_TYPE(cond) != AOP_CRY) + pic14_toBoolean(cond); + else + isbit = 1; + /* the result is now in the accumulator */ + freeAsmop(cond,NULL,ic,TRUE); + + /* if there was something to be popped then do it */ + if (popIc) + genIpop(popIc); + + /* if the condition is a bit variable */ + if (isbit && IS_ITEMP(cond) && + SPIL_LOC(cond)) { + genIfxJump(ic,SPIL_LOC(cond)->rname); + DEBUGpic14_emitcode ("; isbit SPIL_LOC","%s",SPIL_LOC(cond)->rname); + } + else { + if (isbit && !IS_ITEMP(cond)) + genIfxJump(ic,OP_SYMBOL(cond)->rname); + else + genIfxJump(ic,"a"); + } + ic->generated = 1; - if (isbit && !IS_ITEMP(cond)) - genIfxJump(ic,OP_SYMBOL(cond)->rname); - else - genIfxJump(ic,"a"); - } - ic->generated = 1; } /*-----------------------------------------------------------------*/ @@ -7488,71 +9151,31 @@ static void genIfx (iCode *ic, iCode *popIc) /*-----------------------------------------------------------------*/ static void genAddrOf (iCode *ic) { - symbol *sym = OP_SYMBOL(IC_LEFT(ic)); - int size, offset ; + operand *right, *result, *left; + int size, offset ; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - aopOp(IC_RESULT(ic),ic,FALSE); - /* if the operand is on the stack then we - need to get the stack offset of this - variable */ - if (sym->onStack) { - /* if it has an offset then we need to compute - it */ - if (sym->stack) { - pic14_emitcode("mov","a,_bp"); - pic14_emitcode("add","a,#0x%02x",((char) sym->stack & 0xff)); - aopPut(AOP(IC_RESULT(ic)),"a",0); - } else { - /* we can just move _bp */ - aopPut(AOP(IC_RESULT(ic)),"_bp",0); - } - /* fill the result with zero */ - size = AOP_SIZE(IC_RESULT(ic)) - 1; - - - if (options.stack10bit && size < (FPTRSIZE - 1)) - { - fprintf(stderr, - "*** warning: pointer to stack var truncated.\n"); - } - - offset = 1; - while (size--) - { - /* Yuck! */ - if (options.stack10bit && offset == 2) - { - aopPut(AOP(IC_RESULT(ic)),"#0x40", offset++); - } - else - { - aopPut(AOP(IC_RESULT(ic)),zero,offset++); - } - } + //aopOp(IC_RESULT(ic),ic,FALSE); - goto release; - } + aopOp((left=IC_LEFT(ic)),ic,FALSE); + aopOp((right=IC_RIGHT(ic)),ic,FALSE); + aopOp((result=IC_RESULT(ic)),ic,TRUE); - /* object not on stack then we need the name */ - size = AOP_SIZE(IC_RESULT(ic)); - offset = 0; + DEBUGpic14_AopType(__LINE__,left,right,result); - while (size--) { - char s[SDCC_NAME_MAX]; - if (offset) - sprintf(s,"#(%s >> %d)", - sym->rname, - offset*8); - else - sprintf(s,"#%s",sym->rname); - aopPut(AOP(IC_RESULT(ic)),s,offset++); - } + size = AOP_SIZE(IC_RESULT(ic)); + offset = 0; -release: - freeAsmop(IC_RESULT(ic),NULL,ic,TRUE); + while (size--) { + emitpcode(POC_MOVLW, popGet(AOP(left),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + offset++; + } + + freeAsmop(left,NULL,ic,FALSE); + freeAsmop(result,NULL,ic,TRUE); } @@ -7590,121 +9213,127 @@ static void genFarFarAssign (operand *result, operand *right, iCode *ic) /*-----------------------------------------------------------------*/ static void genAssign (iCode *ic) { - operand *result, *right; - int size, offset ; - unsigned long lit = 0L; + operand *result, *right; + int size, offset,know_W; + unsigned long lit = 0L; - result = IC_RESULT(ic); - right = IC_RIGHT(ic) ; + result = IC_RESULT(ic); + right = IC_RIGHT(ic) ; - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - /* if they are the same */ - if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic))) - return ; + /* if they are the same */ + if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic))) + return ; - aopOp(right,ic,FALSE); - aopOp(result,ic,TRUE); + aopOp(right,ic,FALSE); + aopOp(result,ic,TRUE); - /* if they are the same registers */ - if (pic14_sameRegs(AOP(right),AOP(result))) - goto release; + DEBUGpic14_AopType(__LINE__,NULL,right,result); - /* if the result is a bit */ - if (AOP_TYPE(result) == AOP_CRY) { + /* if they are the same registers */ + if (pic14_sameRegs(AOP(right),AOP(result))) + goto release; - /* if the right size is a literal then - we know what the value is */ - if (AOP_TYPE(right) == AOP_LIT) { + /* if the result is a bit */ + if (AOP_TYPE(result) == AOP_CRY) { + + /* if the right size is a literal then + we know what the value is */ + if (AOP_TYPE(right) == AOP_LIT) { - emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF), - popGet(AOP(result),0,FALSE,FALSE)); + emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF), + popGet(AOP(result),0)); - if (((int) operandLitValue(right))) - pic14_emitcode("bsf","(%s >> 3),(%s & 7)", + if (((int) operandLitValue(right))) + pic14_emitcode("bsf","(%s >> 3),(%s & 7)", AOP(result)->aopu.aop_dir, AOP(result)->aopu.aop_dir); - else - pic14_emitcode("bcf","(%s >> 3),(%s & 7)", - AOP(result)->aopu.aop_dir, - AOP(result)->aopu.aop_dir); - goto release; - } + else + pic14_emitcode("bcf","(%s >> 3),(%s & 7)", + AOP(result)->aopu.aop_dir, + AOP(result)->aopu.aop_dir); + goto release; + } - /* the right is also a bit variable */ - if (AOP_TYPE(right) == AOP_CRY) { - emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE)); - emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE)); - - pic14_emitcode("bcf","(%s >> 3),(%s & 7)", - AOP(result)->aopu.aop_dir, - AOP(result)->aopu.aop_dir); - pic14_emitcode("btfsc","(%s >> 3),(%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - pic14_emitcode("bsf","(%s >> 3),(%s & 7)", - AOP(result)->aopu.aop_dir, - AOP(result)->aopu.aop_dir); - goto release ; - } + /* the right is also a bit variable */ + if (AOP_TYPE(right) == AOP_CRY) { + emitpcode(POC_BCF, popGet(AOP(result),0)); + emitpcode(POC_BTFSC, popGet(AOP(right),0)); + emitpcode(POC_BSF, popGet(AOP(result),0)); + + pic14_emitcode("bcf","(%s >> 3),(%s & 7)", + AOP(result)->aopu.aop_dir, + AOP(result)->aopu.aop_dir); + pic14_emitcode("btfsc","(%s >> 3),(%s & 7)", + AOP(right)->aopu.aop_dir, + AOP(right)->aopu.aop_dir); + pic14_emitcode("bsf","(%s >> 3),(%s & 7)", + AOP(result)->aopu.aop_dir, + AOP(result)->aopu.aop_dir); + goto release ; + } + + /* we need to or */ + emitpcode(POC_BCF, popGet(AOP(result),0)); + pic14_toBoolean(right); + emitSKPZ; + emitpcode(POC_BSF, popGet(AOP(result),0)); + //aopPut(AOP(result),"a",0); + goto release ; + } - /* we need to or */ - emitpcode(POC_BCF, popGet(AOP(result),0,FALSE,FALSE)); - pic14_toBoolean(right); - emitSKPZ; - emitpcode(POC_BSF, popGet(AOP(result),0,FALSE,FALSE)); - //aopPut(AOP(result),"a",0); - goto release ; - } + /* bit variables done */ + /* general case */ + size = AOP_SIZE(result); + offset = 0 ; + if(AOP_TYPE(right) == AOP_LIT) + lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); - /* bit variables done */ - /* general case */ - size = AOP_SIZE(result); - offset = 0 ; - if(AOP_TYPE(right) == AOP_LIT) - lit = (unsigned long)floatFromVal(AOP(right)->aopu.aop_lit); - if((AOP_TYPE(result) != AOP_REG) && - (AOP_TYPE(right) == AOP_LIT) && - !IS_FLOAT(operandType(right)) && - (lit < 256L)){ + if( AOP_TYPE(right) == AOP_DIR && (AOP_TYPE(result) == AOP_REG) && size==1) { + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if(aopIdx(AOP(result),0) == 4) { + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + goto release; + } else + DEBUGpic14_emitcode ("; WARNING","%s %d ignoring register storage",__FUNCTION__,__LINE__); + } - while (size--) { - if((unsigned int)((lit >> (size*8)) & 0x0FFL)== 0) { - //pic14_emitcode("clrf","%s", aopGet(AOP(result),size,FALSE,FALSE)); - emitpcode(POC_CLRF,popGet(AOP(result),size,FALSE,FALSE)); - }else { - emitpcode(POC_MOVLW,popGet(AOP(right),size,FALSE,FALSE)); - emitpcode(POC_MOVWF,popGet(AOP(result),size,FALSE,FALSE)); - //pic14_emitcode("movlw","%s", aopGet(AOP(right),size,FALSE,FALSE)); - //pic14_emitcode("movwf","%s", aopGet(AOP(result),size,FALSE,FALSE)); - } - } + know_W=-1; + while (size--) { + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + if(AOP_TYPE(right) == AOP_LIT) { + if(lit&0xff) { + if(know_W != (lit&0xff)) + emitpcode(POC_MOVLW,popGetLit(lit&0xff)); + know_W = lit&0xff; + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + } else + emitpcode(POC_CLRF, popGet(AOP(result),offset)); + + lit >>= 8; + + } else if (AOP_TYPE(right) == AOP_CRY) { + emitpcode(POC_CLRF, popGet(AOP(result),offset)); + if(offset == 0) { + emitpcode(POC_BTFSS, popGet(AOP(right),0)); + emitpcode(POC_INCF, popGet(AOP(result),0)); + } } else { - while (size--) { - if(AOP_TYPE(right) == AOP_LIT) { - emitpcode(POC_MOVLW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); - - } else if (AOP_TYPE(right) == AOP_CRY) { - emitpcode(POC_CLRF, popGet(AOP(result),offset,FALSE,FALSE)); - if(offset == 0) { - emitpcode(POC_BTFSS, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_INCF, popGet(AOP(result),0,FALSE,FALSE)); - } - } else { - emitpcode(POC_MOVFW, popGet(AOP(right),offset,FALSE,FALSE)); - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); - } - - //pic14_emitcode("movwf","%s", aopGet(AOP(result),offset,FALSE,FALSE)); - offset++; - } + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); } + + offset++; + } + -release: - freeAsmop (right,NULL,ic,FALSE); - freeAsmop (result,NULL,ic,TRUE); + release: + freeAsmop (right,NULL,ic,FALSE); + freeAsmop (result,NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -7724,16 +9353,28 @@ static void genJumpTab (iCode *ic) /* multiply by three */ pic14_emitcode("add","a,acc"); pic14_emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0,FALSE,FALSE)); - freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE); jtab = newiTempLabel(NULL); pic14_emitcode("mov","dptr,#%05d_DS_",jtab->key+100); pic14_emitcode("jmp","@a+dptr"); pic14_emitcode("","%05d_DS_:",jtab->key+100); + + emitpcode(POC_MOVLW, popGetLabel(jtab->key)); + emitpcode(POC_ADDFW, popGet(AOP(IC_JTCOND(ic)),0)); + emitSKPNC; + emitpcode(POC_INCF, popCopyReg(&pc_pclath)); + emitpcode(POC_MOVWF, popCopyReg(&pc_pcl)); + emitpLabel(jtab->key); + + freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE); + /* now generate the jump labels */ for (jtab = setFirstItem(IC_JTLABELS(ic)) ; jtab; - jtab = setNextItem(IC_JTLABELS(ic))) + jtab = setNextItem(IC_JTLABELS(ic))) { pic14_emitcode("ljmp","%05d_DS_",jtab->key+100); + emitpcode(POC_GOTO,popGetLabel(jtab->key)); + + } } @@ -7875,6 +9516,7 @@ static void genCast (iCode *ic) { operand *result = IC_RESULT(ic); sym_link *ctype = operandType(IC_LEFT(ic)); + sym_link *rtype = operandType(IC_RIGHT(ic)); operand *right = IC_RIGHT(ic); int size, offset ; @@ -7886,14 +9528,17 @@ static void genCast (iCode *ic) aopOp(right,ic,FALSE) ; aopOp(result,ic,FALSE); + DEBUGpic14_AopType(__LINE__,NULL,right,result); + /* if the result is a bit */ if (AOP_TYPE(result) == AOP_CRY) { /* if the right size is a literal then we know what the value is */ + DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__); if (AOP_TYPE(right) == AOP_LIT) { emitpcode( ( ((int) operandLitValue(right)) ? POC_BSF : POC_BCF), - popGet(AOP(result),0,FALSE,FALSE)); + popGet(AOP(result),0)); if (((int) operandLitValue(right))) pic14_emitcode("bsf","(%s >> 3), (%s & 7)", @@ -7911,7 +9556,7 @@ static void genCast (iCode *ic) if (AOP_TYPE(right) == AOP_CRY) { emitCLRC; - emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE)); + emitpcode(POC_BTFSC, popGet(AOP(right),0)); pic14_emitcode("clrc",""); pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", @@ -7922,28 +9567,70 @@ static void genCast (iCode *ic) } /* we need to or */ - pic14_toBoolean(right); - aopPut(AOP(result),"a",0); + if (AOP_TYPE(right) == AOP_REG) { + emitpcode(POC_BCF, popGet(AOP(result),0)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),0,FALSE,FALSE),0,0)); + emitpcode(POC_BSF, popGet(AOP(result),0)); + } + pic14_toBoolean(right); + aopPut(AOP(result),"a",0); goto release ; } + if ((AOP_TYPE(right) == AOP_CRY) && (AOP_TYPE(result) == AOP_REG)) { + int offset = 1; + size = AOP_SIZE(result); + + DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__); + + emitpcode(POC_CLRF, popGet(AOP(result),0)); + emitpcode(POC_BTFSC, popGet(AOP(right),0)); + emitpcode(POC_INCF, popGet(AOP(result),0)); + + while (size--) + emitpcode(POC_CLRF, popGet(AOP(result),offset++)); + + goto release; + } + /* if they are the same size : or less */ if (AOP_SIZE(result) <= AOP_SIZE(right)) { /* if they are in the same place */ - if (pic14_sameRegs(AOP(right),AOP(result))) - goto release; + if (pic14_sameRegs(AOP(right),AOP(result))) + goto release; + + DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__); + if (IS_PTR_CONST(rtype)) + DEBUGpic14_emitcode ("; ***","%d - right is const pointer",__LINE__); + if (IS_PTR_CONST(operandType(IC_RESULT(ic)))) + DEBUGpic14_emitcode ("; ***","%d - result is const pointer",__LINE__); + + if ((AOP_TYPE(right) == AOP_PCODE) && AOP(right)->aopu.pcop->type == PO_IMMEDIATE) { + emitpcode(POC_MOVLW, popGet(AOP(right),0)); + emitpcode(POC_MOVWF, popGet(AOP(result),0)); + emitpcode(POC_MOVLW, popGet(AOP(right),1)); + emitpcode(POC_MOVWF, popGet(AOP(result),1)); + if(AOP_SIZE(result) <2) + fprintf(stderr,"%d -- result is not big enough to hold a ptr\n",__LINE__); + + } else { /* if they in different places then copy */ size = AOP_SIZE(result); offset = 0 ; while (size--) { - aopPut(AOP(result), - aopGet(AOP(right),offset,FALSE,FALSE), - offset); - offset++; + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + + //aopPut(AOP(result), + // aopGet(AOP(right),offset,FALSE,FALSE), + // offset); + + offset++; } - goto release; + } + goto release; } @@ -7953,6 +9640,7 @@ static void genCast (iCode *ic) int p_type; sym_link *type = operandType(right); sym_link *etype = getSpec(type); + DEBUGpic14_emitcode("; ***","%s %d - pointer cast",__FUNCTION__,__LINE__); /* pointer to generic pointer */ if (IS_GENPTR(ctype)) { @@ -7980,27 +9668,41 @@ static void genCast (iCode *ic) } /* the first two bytes are known */ + DEBUGpic14_emitcode("; ***","%s %d - pointer cast2",__FUNCTION__,__LINE__); size = GPTRSIZE - 1; offset = 0 ; while (size--) { - aopPut(AOP(result), - aopGet(AOP(right),offset,FALSE,FALSE), - offset); - offset++; + if(offset < AOP_SIZE(right)) { + DEBUGpic14_emitcode("; ***","%s %d - pointer cast3",__FUNCTION__,__LINE__); + if ((AOP_TYPE(right) == AOP_PCODE) && + AOP(right)->aopu.pcop->type == PO_IMMEDIATE) { + emitpcode(POC_MOVLW, popGet(AOP(right),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + } else { + aopPut(AOP(result), + aopGet(AOP(right),offset,FALSE,FALSE), + offset); + } + } else + emitpcode(POC_CLRF,popGet(AOP(result),offset)); + offset++; } /* the last byte depending on type */ switch (p_type) { case IPOINTER: case POINTER: - l = zero; + emitpcode(POC_CLRF,popGet(AOP(result),GPTRSIZE - 1)); break; case FPOINTER: + pic14_emitcode(";BUG!? ","%d",__LINE__); l = one; break; case CPOINTER: + pic14_emitcode(";BUG!? ","%d",__LINE__); l = "#0x02"; break; case PPOINTER: + pic14_emitcode(";BUG!? ","%d",__LINE__); l = "#0x03"; break; @@ -8010,7 +9712,7 @@ static void genCast (iCode *ic) "got unknown pointer type"); exit(1); } - aopPut(AOP(result),l, GPTRSIZE - 1); + //aopPut(AOP(result),l, GPTRSIZE - 1); goto release ; } @@ -8027,25 +9729,6 @@ static void genCast (iCode *ic) } - if (AOP_TYPE(right) == AOP_CRY) { - int offset = 1; - size = AOP_SIZE(right); - - emitpcode(POC_CLRF, popGet(AOP(result),0,FALSE,FALSE)); - emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_INCF, popGet(AOP(result),0,FALSE,FALSE)); - - pic14_emitcode("clrf","%s ; %d", aopGet(AOP(result),0,FALSE,FALSE),__LINE__); - pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - pic14_emitcode("incf","%s,f", aopGet(AOP(result),0,FALSE,FALSE),__LINE__); - while (size--) { - pic14_emitcode("clrf","%s;%d", aopGet(AOP(result),offset,FALSE,FALSE),__LINE__); - emitpcode(POC_CLRF, popGet(AOP(result),offset++,FALSE,FALSE)); - } - goto release; - } /* so we now know that the size of destination is greater than the size of the source. @@ -8055,51 +9738,45 @@ static void genCast (iCode *ic) if(genMixedOperation(ic)) goto release; + DEBUGpic14_emitcode("; ***","%s %d",__FUNCTION__,__LINE__); /* we move to result for the size of source */ size = AOP_SIZE(right); offset = 0 ; while (size--) { - pic14_emitcode(";","%d",__LINE__); - aopPut(AOP(result), - aopGet(AOP(right),offset,FALSE,FALSE), - offset); - offset++; + emitpcode(POC_MOVFW, popGet(AOP(right),offset)); + emitpcode(POC_MOVWF, popGet(AOP(result),offset)); + offset++; } /* now depending on the sign of the destination */ size = AOP_SIZE(result) - AOP_SIZE(right); /* if unsigned or not an integral type */ - if (SPEC_USIGN(ctype) || !IS_SPEC(ctype)) { - while (size--) { - emitpcode(POC_CLRF, popGet(AOP(result),offset,FALSE,FALSE)); - pic14_emitcode("clrf","%s ;%d",aopGet(AOP(result),offset,FALSE,FALSE),__LINE__); - offset++; - } + if (SPEC_USIGN(rtype) || !IS_SPEC(rtype)) { + while (size--) + emitpcode(POC_CLRF, popGet(AOP(result),offset++)); } else { /* we need to extend the sign :{ */ - //char *l = aopGet(AOP(right),AOP_SIZE(right) - 1,FALSE,FALSE); - //MOVA(l); - - emitpcode(POC_CLRW, NULL); - emitpcode(POC_BTFSC, popGet(AOP(right),0,FALSE,FALSE)); - emitpcode(POC_MOVLW, popGetLit(0xff)); - - pic14_emitcode("clrw",""); - pic14_emitcode("btfsc","(%s >> 3), (%s & 7)", - AOP(right)->aopu.aop_dir, - AOP(right)->aopu.aop_dir); - pic14_emitcode("movlw","0xff"); - while (size--) { - emitpcode(POC_MOVWF, popGet(AOP(result),offset,FALSE,FALSE)); - pic14_emitcode("movwf","%s",aopGet(AOP(result),offset,FALSE,FALSE)); - offset++; - // aopPut(AOP(result),"a",offset++); - } - } + if(size == 1) { + /* Save one instruction of casting char to int */ + emitpcode(POC_CLRF, popGet(AOP(result),offset)); + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0)); + emitpcode(POC_DECF, popGet(AOP(result),offset)); + } else { + emitpcodeNULLop(POC_CLRW); + + if(offset) + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset-1,FALSE,FALSE),7,0)); + else + emitpcode(POC_BTFSC, newpCodeOpBit(aopGet(AOP(right),offset,FALSE,FALSE),7,0)); + + emitpcode(POC_MOVLW, popGetLit(0xff)); - /* we are done hurray !!!! */ + while (size--) + emitpcode(POC_MOVWF, popGet(AOP(result),offset++)); + } + } release: freeAsmop(right,NULL,ic,TRUE); @@ -8151,7 +9828,7 @@ static int genDjnz (iCode *ic, iCode *ifx) } else { - emitpcode(POC_DECFSZ,popGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE)); + emitpcode(POC_DECFSZ,popGet(AOP(IC_RESULT(ic)),0)); emitpcode(POC_GOTO,popGetLabel(IC_TRUE(ifx)->key)); pic14_emitcode("decfsz","%s,f",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE)); @@ -8174,35 +9851,35 @@ static int genDjnz (iCode *ic, iCode *ifx) /*-----------------------------------------------------------------*/ static void genReceive (iCode *ic) { - DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); + DEBUGpic14_emitcode ("; ***","%s %d",__FUNCTION__,__LINE__); - if (isOperandInFarSpace(IC_RESULT(ic)) && - ( OP_SYMBOL(IC_RESULT(ic))->isspilt || - IS_TRUE_SYMOP(IC_RESULT(ic))) ) { + if (isOperandInFarSpace(IC_RESULT(ic)) && + ( OP_SYMBOL(IC_RESULT(ic))->isspilt || + IS_TRUE_SYMOP(IC_RESULT(ic))) ) { - int size = getSize(operandType(IC_RESULT(ic))); - int offset = fReturnSizePic - size; - while (size--) { - pic14_emitcode ("push","%s", (strcmp(fReturn[fReturnSizePic - offset - 1],"a") ? + int size = getSize(operandType(IC_RESULT(ic))); + int offset = fReturnSizePic - size; + while (size--) { + pic14_emitcode ("push","%s", (strcmp(fReturn[fReturnSizePic - offset - 1],"a") ? fReturn[fReturnSizePic - offset - 1] : "acc")); - offset++; - } - aopOp(IC_RESULT(ic),ic,FALSE); - size = AOP_SIZE(IC_RESULT(ic)); - offset = 0; - while (size--) { - pic14_emitcode ("pop","acc"); - aopPut (AOP(IC_RESULT(ic)),"a",offset++); - } - - } else { - _G.accInUse++; - aopOp(IC_RESULT(ic),ic,FALSE); - _G.accInUse--; - assignResultValue(IC_RESULT(ic)); + offset++; + } + aopOp(IC_RESULT(ic),ic,FALSE); + size = AOP_SIZE(IC_RESULT(ic)); + offset = 0; + while (size--) { + pic14_emitcode ("pop","acc"); + aopPut (AOP(IC_RESULT(ic)),"a",offset++); } + + } else { + _G.accInUse++; + aopOp(IC_RESULT(ic),ic,FALSE); + _G.accInUse--; + assignResultValue(IC_RESULT(ic)); + } - freeAsmop(IC_RESULT(ic),NULL,ic,TRUE); + freeAsmop(IC_RESULT(ic),NULL,ic,TRUE); } /*-----------------------------------------------------------------*/ @@ -8228,18 +9905,19 @@ void genpic14Code (iCode *lic) addpBlock(pb); /* if debug information required */ -/* if (options.debug && currFunc) { */ - if (currFunc) { - cdbSymbol(currFunc,cdbFile,FALSE,TRUE); + if (options.debug && currFunc) { + if (currFunc) { + debugFile->writeFunction(currFunc); _G.debugLine = 1; if (IS_STATIC(currFunc->etype)) { - pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__); - //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name)); + pic14_emitcode("",";F%s$%s$0$0 %d",moduleName,currFunc->name,__LINE__); + //addpCode2pBlock(pb,newpCodeLabel(moduleName,currFunc->name)); } else { - pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__); - //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name)); + pic14_emitcode("",";G$%s$0$0 %d",currFunc->name,__LINE__); + //addpCode2pBlock(pb,newpCodeLabel(NULL,currFunc->name)); } _G.debugLine = 0; + } } @@ -8254,9 +9932,23 @@ void genpic14Code (iCode *lic) ic->level,ic->block); _G.debugLine = 0; } - pic14_emitcode(";","%s %d",FileBaseName(ic->filename),ic->lineno); + /* + pic14_emitcode("#CSRC","%s %d",FileBaseName(ic->filename),ic->lineno); + pic14_emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno, + printCLine(ic->filename, ic->lineno)); + */ + if (!options.noCcodeInAsm) { + addpCode2pBlock(pb, + newpCodeCSource(ic->lineno, + ic->filename, + printCLine(ic->filename, ic->lineno))); + } + cln = ic->lineno ; } + + // if you want printILine too, look at ../mcs51/gen.c, i don't understand this :) + /* if the result is marked as spilt and rematerializable or code for this has already been generated then @@ -8456,14 +10148,15 @@ void genpic14Code (iCode *lic) /* now we are ready to call the peep hole optimizer */ if (!options.nopeep) { - printf("peep hole optimizing\n"); - peepHole (&lineHead); + peepHole (&lineHead); } /* now do the actual printing */ printLine (lineHead,codeOutFile); - printf("printing pBlock\n\n"); +#ifdef PCODE_DEBUG + DFPRINTF((stderr,"printing pBlock\n\n")); printpBlock(stdout,pb); +#endif return; }