#include "ralloc.h"
#include "gen.h"
-char *aopLiteral (value *val, int offset);
+char *aopLiteral (value * val, int offset);
extern int allocInfo;
/* this is the down and dirty file with all kinds of
routines may be reusable, will have to see */
static char *zero = "0x00";
-static char *one = "0x01";
-static char *spname ;
+static char *one = "0x01";
+static char *spname;
-char *fReturnAVR[] = {"r16","r17","r18","r19" };
-unsigned fAVRReturnSize = 4; /* shared with ralloc.c */
+char *fReturnAVR[] =
+{"r16", "r17", "r18", "r19"};
+unsigned fAVRReturnSize = 4; /* shared with ralloc.c */
char **fAVRReturn = fReturnAVR;
static short rbank = -1;
-static char *larray[4] = {"lo8","hi8","hlo8","hhi8"};
-static char *tscr[4] = {"r0","r1","r24","r25"};
+static char *larray[4] =
+{"lo8", "hi8", "hlo8", "hhi8"};
+static char *tscr[4] =
+{"r0", "r1", "r24", "r25"};
static struct {
- short xPushed;
- short zPushed;
- short accInUse;
- short inLine;
- short debugLine;
- short nRegsSaved;
- set *sendSet;
+ short xPushed;
+ short zPushed;
+ short accInUse;
+ short inLine;
+ short debugLine;
+ short nRegsSaved;
+ set *sendSet;
} _G;
-extern int avr_ptrRegReq ;
+extern int avr_ptrRegReq;
extern int avr_nRegs;
extern FILE *codeOutFile;
-static void saverbank (int, iCode *,bool);
+static void saverbank (int, iCode *, bool);
#define RESULTONSTACK(x) \
(IC_RESULT(x) && IC_RESULT(x)->aop && \
IC_RESULT(x)->aop->type == AOP_STK )
static lineNode *lineHead = NULL;
static lineNode *lineCurr = NULL;
-static unsigned char SLMask[] = {0xFF ,0xFE, 0xFC, 0xF8, 0xF0,
- 0xE0, 0xC0, 0x80, 0x00};
-static unsigned char SRMask[] = {0xFF, 0x7F, 0x3F, 0x1F, 0x0F,
- 0x07, 0x03, 0x01, 0x00};
+static unsigned char SLMask[] =
+{0xFF, 0xFE, 0xFC, 0xF8, 0xF0,
+ 0xE0, 0xC0, 0x80, 0x00};
+static unsigned char SRMask[] =
+{0xFF, 0x7F, 0x3F, 0x1F, 0x0F,
+ 0x07, 0x03, 0x01, 0x00};
#define LSB 0
#define MSB16 1
/*-----------------------------------------------------------------*/
/* emitcode - writes the code into a file : for now it is simple */
/*-----------------------------------------------------------------*/
-static void emitcode (char *inst,char *fmt, ...)
+static void
+emitcode (char *inst, char *fmt,...)
{
va_list ap;
char lb[MAX_INLINEASM];
char *lbp = lb;
- va_start(ap,fmt);
+ va_start (ap, fmt);
if (inst && *inst) {
if (fmt && *fmt)
- sprintf(lb,"%s\t",inst);
+ sprintf (lb, "%s\t", inst);
else
- sprintf(lb,"%s",inst);
- vsprintf(lb+(strlen(lb)),fmt,ap);
- } else
- vsprintf(lb,fmt,ap);
-
- while (isspace(*lbp)) lbp++;
-
+ sprintf (lb, "%s", inst);
+ vsprintf (lb + (strlen (lb)), fmt, ap);
+ }
+ else
+ vsprintf (lb, fmt, ap);
+
+ while (isspace (*lbp)) lbp++;
+
if (lbp && *lbp)
lineCurr = (lineCurr ?
- connectLine(lineCurr,newLineNode(lb)) :
- (lineHead = newLineNode(lb)));
+ connectLine (lineCurr, newLineNode (lb)) :
+ (lineHead = newLineNode (lb)));
lineCurr->isInline = _G.inLine;
- lineCurr->isDebug = _G.debugLine;
- va_end(ap);
+ lineCurr->isDebug = _G.debugLine;
+ va_end (ap);
}
/*-----------------------------------------------------------------*/
/* getFreePtr - returns X or Z whichever is free or can be pushed */
/*-----------------------------------------------------------------*/
-static regs *getFreePtr (iCode *ic, asmop **aopp, bool result, bool zonly)
+static regs *
+getFreePtr (iCode * ic, asmop ** aopp, bool result, bool zonly)
{
- bool xiu = FALSE , ziu = FALSE;
- bool xou = FALSE , zou = FALSE;
+ bool xiu = FALSE, ziu = FALSE;
+ bool xou = FALSE, zou = FALSE;
/* the logic: if x & z used in the instruction
then we are in trouble otherwise */
/* first check if x & z are used by this
instruction, in which case we are in trouble */
- if ((xiu = bitVectBitValue(ic->rUsed,X_IDX)) &&
- (ziu = bitVectBitValue(ic->rUsed,Z_IDX)))
- {
- goto endOfWorld;
- }
+ if ((xiu = bitVectBitValue (ic->rUsed, X_IDX)) &&
+ (ziu = bitVectBitValue (ic->rUsed, Z_IDX))) {
+ goto endOfWorld;
+ }
- xou = bitVectBitValue(ic->rMask,X_IDX);
- zou = bitVectBitValue(ic->rMask,Z_IDX);
+ xou = bitVectBitValue (ic->rMask, X_IDX);
+ zou = bitVectBitValue (ic->rMask, Z_IDX);
/* if no usage of Z then return it */
if (!ziu && !zou) {
- ic->rUsed = bitVectSetBit(ic->rUsed,Z_IDX);
- (*aopp)->type = AOP_Z;
+ ic->rUsed = bitVectSetBit (ic->rUsed, Z_IDX);
+ (*aopp)->type = AOP_Z;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R31_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R30_IDX);
- }
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R31_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R30_IDX);
+ }
/* if no usage of X then return it */
- if (!xiu && !xou && !zonly) {
- ic->rUsed = bitVectSetBit(ic->rUsed,X_IDX);
- (*aopp)->type = AOP_X;
+ if (!xiu && !xou && !zonly)
+ {
+ ic->rUsed = bitVectSetBit (ic->rUsed, X_IDX);
+ (*aopp)->type = AOP_X;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R27_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R26_IDX);
- }
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R27_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R26_IDX);
+ }
/* if z not used then */
- if (!ziu) {
- /* push it if not already pushed */
- if (!_G.zPushed) {
- emitcode ("push","%s",
- avr_regWithIdx(R30_IDX)->dname);
- emitcode ("push","%s",
- avr_regWithIdx(R31_IDX)->dname);
- _G.zPushed++ ;
+ if (!ziu)
+ {
+ /* push it if not already pushed */
+ if (!_G.zPushed)
+ {
+ emitcode ("push", "%s",
+ avr_regWithIdx (R30_IDX)->dname);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R31_IDX)->dname);
+ _G.zPushed++;
+ }
+
+ ic->rUsed = bitVectSetBit (ic->rUsed, Z_IDX);
+ (*aopp)->type = AOP_Z;
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R31_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R30_IDX);
}
- ic->rUsed = bitVectSetBit(ic->rUsed,Z_IDX);
- (*aopp)->type = AOP_Z;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R31_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R30_IDX);
- }
-
/* now we know they both have usage */
/* if x not used in this instruction */
- if (!xiu && !zonly) {
- /* push it if not already pushed */
- if (!_G.xPushed) {
- emitcode ("push","%s",
- avr_regWithIdx(R26_IDX)->dname);
- emitcode ("push","%s",
- avr_regWithIdx(R27_IDX)->dname);
- _G.xPushed++ ;
+ if (!xiu && !zonly)
+ {
+ /* push it if not already pushed */
+ if (!_G.xPushed)
+ {
+ emitcode ("push", "%s",
+ avr_regWithIdx (R26_IDX)->dname);
+ emitcode ("push", "%s",
+ avr_regWithIdx (R27_IDX)->dname);
+ _G.xPushed++;
+ }
+
+ ic->rUsed = bitVectSetBit (ic->rUsed, X_IDX);
+ (*aopp)->type = AOP_X;
+
+ (*aopp)->aop_ptr2 = avr_regWithIdx (R27_IDX);
+ return (*aopp)->aopu.aop_ptr = avr_regWithIdx (R26_IDX);
}
- ic->rUsed = bitVectSetBit(ic->rUsed,X_IDX);
- (*aopp)->type = AOP_X;
- (*aopp)->aop_ptr2 = avr_regWithIdx(R27_IDX);
- return (*aopp)->aopu.aop_ptr = avr_regWithIdx(R26_IDX);
- }
-
-
- endOfWorld :
- /* I said end of world but not quite end of world yet */
- /* if this is a result then we can push it on the stack*/
- if (result) {
+endOfWorld:
+ /* I said end of world but not quite end of world yet */
+ /* if this is a result then we can push it on the stack */
+ if (result)
+ {
(*aopp)->type = AOP_STK;
return NULL;
}
- piCode(ic,stdout);
+ piCode (ic, stdout);
/* other wise this is true end of the world */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "getFreePtr should never reach here");
- exit(0);
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "getFreePtr should never reach here");
+ exit (0);
}
/*-----------------------------------------------------------------*/
/* newAsmop - creates a new asmOp */
/*-----------------------------------------------------------------*/
-static asmop *newAsmop (short type)
+static asmop *
+newAsmop (short type)
{
asmop *aop;
- aop = Safe_calloc(1,sizeof(asmop));
+ aop = Safe_calloc (1, sizeof (asmop));
aop->type = type;
return aop;
}
/*-----------------------------------------------------------------*/
/* pointerCode - returns the code for a pointer type */
/*-----------------------------------------------------------------*/
-static int pointerCode (sym_link *etype)
+static int
+pointerCode (sym_link * etype)
{
- return PTR_TYPE(SPEC_OCLS(etype));
+ return PTR_TYPE (SPEC_OCLS (etype));
}
/*-----------------------------------------------------------------*/
/* aopForSym - for a true symbol */
/*-----------------------------------------------------------------*/
-static asmop *aopForSym (iCode *ic,symbol *sym,bool result)
+static asmop *
+aopForSym (iCode * ic, symbol * sym, bool result)
{
asmop *aop;
- memmap *space= SPEC_OCLS(sym->etype);
+ memmap *space = SPEC_OCLS (sym->etype);
/* if already has one */
if (sym->aop)
/* assign depending on the storage class */
/* if it is on the stack */
- if (sym->onStack) {
- sym->aop = aop = newAsmop(0);
- aop->size = getSize(sym->type);
-
- /* we can use std / ldd instruction */
- if (sym->stack > 0 && (sym->stack + getSize(sym->type) - 1) <= 63) {
- aop->type = AOP_STK_D;
- aop->aopu.aop_stk = sym->stack;
+ if (sym->onStack)
+ {
+ sym->aop = aop = newAsmop (0);
+ aop->size = getSize (sym->type);
+
+ /* we can use std / ldd instruction */
+ if (sym->stack > 0 && (sym->stack + getSize (sym->type) - 1) <= 63)
+ {
+ aop->type = AOP_STK_D;
+ aop->aopu.aop_stk = sym->stack;
+ return aop;
+ }
+
+ /* otherwise get a free pointer register X/Z */
+ aop->aopu.aop_ptr = getFreePtr (ic, &aop, result, FALSE);
+
+ /* now assign the address of the variable to
+ the pointer register */
+ if (aop->type != AOP_STK)
+ {
+ emitcode ("movw", "%s,r28", aop->aopu.aop_ptr->name);
+ if (sym->stack < 0)
+ {
+ if ((sym->stack - _G.nRegsSaved) > -63)
+ {
+ emitcode ("sbiw", "%s,0x%02x",
+ aop->aopu.aop_ptr->name,
+ (sym->stack - _G.nRegsSaved));
+ }
+ else
+ {
+ emitcode ("subi", "%s,lo8(%d)", aop->aopu.aop_ptr->name,
+ sym->stack - _G.nRegsSaved);
+ emitcode ("sbci", "%s,hi8(%d)", aop->aop_ptr2->name,
+ sym->stack - _G.nRegsSaved);
+ }
+ }
+ else
+ {
+ if (sym->stack <= 63)
+ {
+ emitcode ("adiw", "%s,0x%02x", aop->aopu.aop_ptr->name, sym->stack);
+ }
+ else
+ {
+ emitcode ("subi", "%s,lo8(-%d)", aop->aopu.aop_ptr->name, sym->stack);
+ emitcode ("sbci", "%s,hi8(-%d)", aop->aop_ptr2->name, sym->stack);
+ }
+ }
+ }
return aop;
}
- /* otherwise get a free pointer register X/Z */
- aop->aopu.aop_ptr = getFreePtr(ic,&aop,result,FALSE);
-
- /* now assign the address of the variable to
- the pointer register */
- if (aop->type != AOP_STK) {
- emitcode("movw","%s,r28",aop->aopu.aop_ptr->name);
- if (sym->stack < 0) {
- if ((sym->stack - _G.nRegsSaved) > -63) {
- emitcode("sbiw","%s,0x%02x",
- aop->aopu.aop_ptr->name,
- (sym->stack - _G.nRegsSaved));
- } else {
- emitcode("subi","%s,lo8(%d)", aop->aopu.aop_ptr->name,
- sym->stack - _G.nRegsSaved);
- emitcode("sbci","%s,hi8(%d)",aop->aop_ptr2->name,
- sym->stack - _G.nRegsSaved);
- }
- } else {
- if (sym->stack <= 63) {
- emitcode("adiw","%s,0x%02x",aop->aopu.aop_ptr->name,sym->stack);
- } else {
- emitcode("subi","%s,lo8(-%d)",aop->aopu.aop_ptr->name,sym->stack);
- emitcode("sbci","%s,hi8(-%d)",aop->aop_ptr2->name,sym->stack);
- }
- }
- }
- return aop;
- }
-
/* if in bit space */
- if (IN_BITSPACE(space)) {
- sym->aop = aop = newAsmop (AOP_CRY);
- aop->aopu.aop_dir = sym->rname ;
- aop->size = getSize(sym->type);
- return aop;
- }
+ if (IN_BITSPACE (space))
+ {
+ sym->aop = aop = newAsmop (AOP_CRY);
+ aop->aopu.aop_dir = sym->rname;
+ aop->size = getSize (sym->type);
+ return aop;
+ }
/* if it is in direct space */
- if (IN_DIRSPACE(space)) {
- sym->aop = aop = newAsmop (AOP_DIR);
- aop->aopu.aop_dir = sym->rname ;
- aop->size = getSize(sym->type);
- return aop;
- }
+ if (IN_DIRSPACE (space))
+ {
+ sym->aop = aop = newAsmop (AOP_DIR);
+ aop->aopu.aop_dir = sym->rname;
+ aop->size = getSize (sym->type);
+ return aop;
+ }
/* special case for a function */
- if (IS_FUNC(sym->type)) {
- sym->aop = aop = newAsmop(AOP_IMMD);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(sym->rname)+1);
- strcpy(aop->aopu.aop_immd,sym->rname);
- aop->size = FPTRSIZE;
- return aop;
- }
+ if (IS_FUNC (sym->type))
+ {
+ sym->aop = aop = newAsmop (AOP_IMMD);
+ aop->aopu.aop_immd = Safe_calloc (1, strlen (sym->rname) + 1);
+ strcpy (aop->aopu.aop_immd, sym->rname);
+ aop->size = FPTRSIZE;
+ return aop;
+ }
/* only remaining is code / eeprom which will need pointer reg */
/* if it is in code space */
- sym->aop = aop = newAsmop(0);
+ sym->aop = aop = newAsmop (0);
- if (IN_CODESPACE(space))
+ if (IN_CODESPACE (space))
aop->code = 1;
- aop->aopu.aop_ptr = getFreePtr(ic,&aop,result,aop->code);
- aop->size = getSize(sym->type);
- emitcode ("ldi","%s,lo8(%s)",aop->aopu.aop_ptr->name,sym->rname);
- emitcode ("ldi","%s,hi8(%s)",aop->aop_ptr2);
+ aop->aopu.aop_ptr = getFreePtr (ic, &aop, result, aop->code);
+ aop->size = getSize (sym->type);
+ emitcode ("ldi", "%s,lo8(%s)", aop->aopu.aop_ptr->name, sym->rname);
+ emitcode ("ldi", "%s,hi8(%s)", aop->aop_ptr2);
return aop;
}
/*-----------------------------------------------------------------*/
/* aopForRemat - rematerialzes an object */
/*-----------------------------------------------------------------*/
-static asmop *aopForRemat (symbol *sym)
+static asmop *
+aopForRemat (symbol * sym)
{
iCode *ic = sym->rematiCode;
- asmop *aop = newAsmop(AOP_IMMD);
+ asmop *aop = newAsmop (AOP_IMMD);
int val = 0;
- for (;;) {
- if (ic->op == '+')
- val += (int) operandLitValue(IC_RIGHT(ic));
- else if (ic->op == '-')
- val -= (int) operandLitValue(IC_RIGHT(ic));
- else
- break;
+ 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);
+ 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);
+ strcpy (buffer, OP_SYMBOL (IC_LEFT (ic))->rname);
- aop->aopu.aop_immd = Safe_calloc(1,strlen(buffer)+1);
- strcpy(aop->aopu.aop_immd,buffer);
+ aop->aopu.aop_immd = Safe_calloc (1, strlen (buffer) + 1);
+ strcpy (aop->aopu.aop_immd, buffer);
return aop;
}
/*-----------------------------------------------------------------*/
/* regsInCommon - two operands have some registers in common */
/*-----------------------------------------------------------------*/
-static bool regsInCommon (operand *op1, operand *op2)
+static bool
+regsInCommon (operand * op1, operand * op2)
{
symbol *sym1, *sym2;
int i;
/* if they have registers in common */
- if (!IS_SYMOP(op1) || !IS_SYMOP(op2))
- return FALSE ;
+ if (!IS_SYMOP (op1) || !IS_SYMOP (op2))
+ return FALSE;
- sym1 = OP_SYMBOL(op1);
- sym2 = OP_SYMBOL(op2);
+ sym1 = OP_SYMBOL (op1);
+ sym2 = OP_SYMBOL (op2);
if (sym1->nRegs == 0 || sym2->nRegs == 0)
- return FALSE ;
-
- for (i = 0 ; i < sym1->nRegs ; i++) {
- int j;
- if (!sym1->regs[i])
- continue ;
-
- for (j = 0 ; j < sym2->nRegs ;j++ ) {
- if (!sym2->regs[j])
- continue ;
+ return FALSE;
- if (sym2->regs[j] == sym1->regs[i])
- return TRUE ;
+ for (i = 0; i < sym1->nRegs; i++)
+ {
+ int j;
+ if (!sym1->regs[i])
+ continue;
+
+ for (j = 0; j < sym2->nRegs; j++)
+ {
+ if (!sym2->regs[j])
+ continue;
+
+ if (sym2->regs[j] == sym1->regs[i])
+ return TRUE;
+ }
}
- }
- return FALSE ;
+ return FALSE;
}
/*-----------------------------------------------------------------*/
/* operandsEqu - equivalent */
/*-----------------------------------------------------------------*/
-static bool operandsEqu ( operand *op1, operand *op2)
+static bool
+operandsEqu (operand * op1, operand * op2)
{
symbol *sym1, *sym2;
/* if they not symbols */
- if (!IS_SYMOP(op1) || !IS_SYMOP(op2))
+ if (!IS_SYMOP (op1) || !IS_SYMOP (op2))
return FALSE;
- sym1 = OP_SYMBOL(op1);
- sym2 = OP_SYMBOL(op2);
+ sym1 = OP_SYMBOL (op1);
+ sym2 = OP_SYMBOL (op2);
/* if both are itemps & one is spilt
and the other is not then false */
- if (IS_ITEMP(op1) && IS_ITEMP(op2) &&
- sym1->isspilt != sym2->isspilt )
- return FALSE ;
+ if (IS_ITEMP (op1) && IS_ITEMP (op2) &&
+ sym1->isspilt != sym2->isspilt)
+ return FALSE;
/* if they are the same */
if (sym1 == sym2)
- return TRUE ;
+ return TRUE;
- if (strcmp(sym1->rname,sym2->rname) == 0)
+ if (strcmp (sym1->rname, sym2->rname) == 0)
return TRUE;
/* if left is a tmp & right is not */
- if (IS_ITEMP(op1) &&
- !IS_ITEMP(op2) &&
- sym1->isspilt &&
+ if (IS_ITEMP (op1) &&
+ !IS_ITEMP (op2) &&
+ sym1->isspilt &&
(sym1->usl.spillLoc == sym2))
return TRUE;
- if (IS_ITEMP(op2) &&
- !IS_ITEMP(op1) &&
- sym2->isspilt &&
+ if (IS_ITEMP (op2) &&
+ !IS_ITEMP (op1) &&
+ sym2->isspilt &&
sym1->level > 0 &&
(sym2->usl.spillLoc == sym1))
- return TRUE ;
+ return TRUE;
- return FALSE ;
+ return FALSE;
}
/*-----------------------------------------------------------------*/
/* sameRegs - two asmops have the same registers */
/*-----------------------------------------------------------------*/
-static bool sameRegs (asmop *aop1, asmop *aop2 )
+static bool
+sameRegs (asmop * aop1, asmop * aop2)
{
int i;
if (aop1 == aop2)
- return TRUE ;
+ return TRUE;
if (aop1->type != AOP_REG ||
- aop2->type != AOP_REG )
- return FALSE ;
+ aop2->type != AOP_REG)
+ return FALSE;
- if (aop1->size != aop2->size )
- return FALSE ;
+ if (aop1->size != aop2->size)
+ return FALSE;
- for (i = 0 ; i < aop1->size ; i++ )
+ for (i = 0; i < aop1->size; i++)
if (aop1->aopu.aop_reg[i] !=
- aop2->aopu.aop_reg[i] )
- return FALSE ;
+ aop2->aopu.aop_reg[i])
+ return FALSE;
- return TRUE ;
+ return TRUE;
}
/*-----------------------------------------------------------------*/
/* isRegPair - for size 2 if this operand has a register pair */
/*-----------------------------------------------------------------*/
-static int isRegPair (asmop *aop)
+static int
+isRegPair (asmop * aop)
{
- if (!aop || aop->size != 2) return 0;
- if (aop->type == AOP_X || aop->type == AOP_Z) return 1;
- if (aop->type != AOP_REG) return 0;
+ if (!aop || aop->size != 2)
+ return 0;
+ if (aop->type == AOP_X || aop->type == AOP_Z)
+ return 1;
+ if (aop->type != AOP_REG)
+ return 0;
if ((aop->aopu.aop_reg[1]->rIdx -
- aop->aopu.aop_reg[0]->rIdx) == 1) return 1;
+ aop->aopu.aop_reg[0]->rIdx) == 1)
+ return 1;
return 0;
}
/*-----------------------------------------------------------------*/
/* aopOp - allocates an asmop for an operand : */
/*-----------------------------------------------------------------*/
-static void aopOp (operand *op, iCode *ic, bool result)
+static void
+aopOp (operand * op, iCode * ic, bool result)
{
asmop *aop;
symbol *sym;
int i;
if (!op)
- return ;
+ return;
/* if this a literal */
- if (IS_OP_LITERAL(op)) {
- op->aop = aop = newAsmop(AOP_LIT);
- aop->aopu.aop_lit = op->operand.valOperand;
- aop->size = getSize(operandType(op));
- return;
- }
+ if (IS_OP_LITERAL (op))
+ {
+ op->aop = aop = newAsmop (AOP_LIT);
+ aop->aopu.aop_lit = op->operand.valOperand;
+ aop->size = getSize (operandType (op));
+ return;
+ }
/* if already has a asmop then continue */
if (op->aop)
- return ;
+ return;
/* if the underlying symbol has a aop */
- if (IS_SYMOP(op) && OP_SYMBOL(op)->aop) {
- op->aop = OP_SYMBOL(op)->aop;
- return;
- }
+ if (IS_SYMOP (op) && OP_SYMBOL (op)->aop)
+ {
+ op->aop = OP_SYMBOL (op)->aop;
+ return;
+ }
/* if this is a true symbol */
- if (IS_TRUE_SYMOP(op)) {
- op->aop = aopForSym(ic,OP_SYMBOL(op),result);
- return ;
- }
+ if (IS_TRUE_SYMOP (op))
+ {
+ op->aop = aopForSym (ic, OP_SYMBOL (op), result);
+ return;
+ }
/* this is a temporary : this has
only four choices :
d) conditional
e) can be a return use only */
- sym = OP_SYMBOL(op);
+ sym = OP_SYMBOL (op);
/* if the type is a conditional */
- if (sym->regType == REG_CND) {
- aop = op->aop = sym->aop = newAsmop(AOP_CRY);
- aop->size = 0;
- return;
- }
+ if (sym->regType == REG_CND)
+ {
+ aop = op->aop = sym->aop = newAsmop (AOP_CRY);
+ aop->size = 0;
+ return;
+ }
/* if it is spilt then two situations
a) is rematerialize
b) has a spill location */
- if (sym->isspilt || sym->nRegs == 0) {
+ if (sym->isspilt || sym->nRegs == 0)
+ {
- /* rematerialize it NOW */
- if (sym->remat) {
+ /* rematerialize it NOW */
+ if (sym->remat)
+ {
+ sym->aop = op->aop = aop =
+ aopForRemat (sym);
+ aop->size = getSize (sym->type);
+ return;
+ }
+
+ if (sym->accuse)
+ {
+ assert ("ACC_USE cannot happen in AVR\n");
+ }
+
+ if (sym->ruonly)
+ {
+ int i;
+ aop = op->aop = sym->aop = newAsmop (AOP_STR);
+ aop->size = getSize (sym->type);
+ for (i = 0; i < (int) fAVRReturnSize; i++)
+ aop->aopu.aop_str[i] = fAVRReturn[i];
+ return;
+ }
+
+ /* else spill location */
sym->aop = op->aop = aop =
- aopForRemat (sym);
- aop->size = getSize(sym->type);
+ aopForSym (ic, sym->usl.spillLoc, result);
+ aop->size = getSize (sym->type);
return;
}
- if (sym->accuse) {
- assert("ACC_USE cannot happen in AVR\n");
- }
-
- if (sym->ruonly ) {
- int i;
- aop = op->aop = sym->aop = newAsmop(AOP_STR);
- aop->size = getSize(sym->type);
- for ( i = 0 ; i < (int) fAVRReturnSize ; i++ )
- aop->aopu.aop_str[i] = fAVRReturn[i];
- return;
- }
-
- /* else spill location */
- sym->aop = op->aop = aop =
- aopForSym(ic,sym->usl.spillLoc,result);
- aop->size = getSize(sym->type);
- return;
- }
-
/* must be in a register */
- sym->aop = op->aop = aop = newAsmop(AOP_REG);
+ sym->aop = op->aop = aop = newAsmop (AOP_REG);
aop->size = sym->nRegs;
- for ( i = 0 ; i < sym->nRegs ;i++)
+ for (i = 0; i < sym->nRegs; i++)
aop->aopu.aop_reg[i] = sym->regs[i];
}
/*-----------------------------------------------------------------*/
/* freeAsmop - free up the asmop given to an operand */
/*----------------------------------------------------------------*/
-static void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop)
+static void
+freeAsmop (operand * op, asmop * aaop, iCode * ic, bool pop)
{
- asmop *aop ;
+ asmop *aop;
if (!op)
aop = aaop;
aop = op->aop;
if (!aop)
- return ;
+ return;
if (aop->freed)
goto dealloc;
/* depending on the asmop type only three cases need work AOP_RO
, AOP_R1 && AOP_STK */
- switch (aop->type) {
- case AOP_X :
- if (_G.xPushed ) {
- if (pop) {
- emitcode ("pop","r26");
- emitcode ("pop","r27");
- _G.xPushed--;
- }
- }
- bitVectUnSetBit(ic->rUsed,X_IDX);
- break;
-
- case AOP_Z :
- if (_G.zPushed ) {
- if (pop) {
- emitcode ("pop","r30");
- emitcode ("pop","r31");
- _G.zPushed--;
- }
- }
- bitVectUnSetBit(ic->rUsed,Z_IDX);
- break;
-
- case AOP_STK :
+ switch (aop->type)
{
- int sz = aop->size;
- int stk = aop->aopu.aop_stk + aop->size;
- bitVectUnSetBit(ic->rUsed,X_IDX);
- bitVectUnSetBit(ic->rUsed,Z_IDX);
-
- getFreePtr(ic,&aop,FALSE,0);
-
- emitcode ("movw","%s,r28");
- if (stk) {
- if (stk <= 63 && stk > 0) {
- emitcode ("adiw","%s,0x%02x",aop->aopu.aop_ptr->name,stk+1);
- } else {
- emitcode ("subi","%s,lo8(%d)",aop->aopu.aop_ptr->name,-(stk+1));
- emitcode ("sbci","%s,hi8(%d)",aop->aop_ptr2->name,-(stk+1));
- }
- }
+ case AOP_X:
+ if (_G.xPushed)
+ {
+ if (pop)
+ {
+ emitcode ("pop", "r26");
+ emitcode ("pop", "r27");
+ _G.xPushed--;
+ }
+ }
+ bitVectUnSetBit (ic->rUsed, X_IDX);
+ break;
- while (sz--) {
- emitcode("pop","r24");
- emitcode("st","-%s,r24",aop->type == AOP_X ? "X" : "Z");
- if (!sz) break;
- }
- op->aop = aop;
- freeAsmop(op,NULL,ic,TRUE);
- if (_G.xPushed) {
- emitcode("pop","r26");
- emitcode("pop","r27");
- _G.xPushed--;
- }
+ case AOP_Z:
+ if (_G.zPushed)
+ {
+ if (pop)
+ {
+ emitcode ("pop", "r30");
+ emitcode ("pop", "r31");
+ _G.zPushed--;
+ }
+ }
+ bitVectUnSetBit (ic->rUsed, Z_IDX);
+ break;
- if (_G.zPushed) {
- emitcode("pop","r30");
- emitcode("pop","r31");
- _G.zPushed--;
+ case AOP_STK:
+ {
+ int sz = aop->size;
+ int stk = aop->aopu.aop_stk + aop->size;
+ bitVectUnSetBit (ic->rUsed, X_IDX);
+ bitVectUnSetBit (ic->rUsed, Z_IDX);
+
+ getFreePtr (ic, &aop, FALSE, 0);
+
+ emitcode ("movw", "%s,r28");
+ if (stk)
+ {
+ if (stk <= 63 && stk > 0)
+ {
+ emitcode ("adiw", "%s,0x%02x", aop->aopu.aop_ptr->name, stk + 1);
+ }
+ else
+ {
+ emitcode ("subi", "%s,lo8(%d)", aop->aopu.aop_ptr->name, -(stk + 1));
+ emitcode ("sbci", "%s,hi8(%d)", aop->aop_ptr2->name, -(stk + 1));
+ }
+ }
+
+ while (sz--)
+ {
+ emitcode ("pop", "r24");
+ emitcode ("st", "-%s,r24", aop->type == AOP_X ? "X" : "Z");
+ if (!sz)
+ break;
+ }
+ op->aop = aop;
+ freeAsmop (op, NULL, ic, TRUE);
+ if (_G.xPushed)
+ {
+ emitcode ("pop", "r26");
+ emitcode ("pop", "r27");
+ _G.xPushed--;
+ }
+
+ if (_G.zPushed)
+ {
+ emitcode ("pop", "r30");
+ emitcode ("pop", "r31");
+ _G.zPushed--;
+ }
}
}
- }
- dealloc:
+dealloc:
/* all other cases just dealloc */
- if (op ) {
- op->aop = NULL;
- if (IS_SYMOP(op)) {
- OP_SYMBOL(op)->aop = NULL;
- /* if the symbol has a spill */
- if (SPIL_LOC(op))
- SPIL_LOC(op)->aop = NULL;
+ if (op)
+ {
+ op->aop = NULL;
+ if (IS_SYMOP (op))
+ {
+ OP_SYMBOL (op)->aop = NULL;
+ /* if the symbol has a spill */
+ if (SPIL_LOC (op))
+ SPIL_LOC (op)->aop = NULL;
+ }
}
- }
}
/*-----------------------------------------------------------------*/
/* aopGet - for fetching value of the aop */
/*-----------------------------------------------------------------*/
-static char *aopGet (asmop *aop, int offset)
+static char *
+aopGet (asmop * aop, int offset)
{
- char *s = buffer ;
+ char *s = buffer;
char *rs;
/* offset is greater than
return zero;
/* depending on type */
- switch (aop->type) {
+ switch (aop->type)
+ {
- case AOP_X:
- if (offset > aop->coff) {
- emitcode ("adiw","%s,%d",aop->aopu.aop_ptr->name,offset - aop->coff);
- }
+ case AOP_X:
+ if (offset > aop->coff)
+ {
+ emitcode ("adiw", "%s,%d", aop->aopu.aop_ptr->name, offset - aop->coff);
+ }
+
+ if (offset < aop->coff)
+ {
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, aop->coff - offset);
+ }
+
+ aop->coff = offset;
+ emitcode ("ld", "%s,x",
+ (rs = ((offset & 1) ? "r25" : "r24")));
+ return rs;
+
+ case AOP_Z:
+ if (aop->code)
+ {
+ if (offset > aop->coff)
+ {
+ emitcode ("adiw", "r30,%d", offset - aop->coff);
+ }
+ else
+ {
+ emitcode ("sbiw", "r30,%d", aop->coff - offset);
+ }
+ emitcode ("lpm", "%s,z", (rs = ((offset & 1) ? "r25" : "r24")));
+ }
+ else
+ {
+ /* we can use lds */
+ if (offset > aop->coff)
+ {
+ emitcode ("ldd", "%s,z+%d", (rs = ((offset & 1) ? "r25" : "r24")),
+ offset - aop->coff);
+ }
+ else
+ {
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, aop->coff - offset);
+ aop->coff = offset;
+ emitcode ("ld", "%s,z", (rs = ((offset & 1) ? "r25" : "r24")));
+ }
+ }
+ return rs;
+
+ case AOP_IMMD:
+
+ emitcode ("lds", "%s,(%s)+%d",
+ (rs = ((offset & 1) ? "r25" : "r24")),
+ aop->aopu.aop_immd, offset);
+ return rs;
+
+ case AOP_DIR:
+ emitcode ("lds", "%s,(%s)+%d",
+ (rs = ((offset & 1) ? "r25" : "r24")),
+ aop->aopu.aop_dir, offset);
+ return rs;
+
+ case AOP_REG:
+ return aop->aopu.aop_reg[offset]->name;
+
+ case AOP_CRY:
+ assert ("cannot be in bit space AOP_CRY\n");
+ break;
- if (offset < aop->coff) {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
- }
+ case AOP_LIT:
+ s = aopLiteral (aop->aopu.aop_lit, offset);
+ emitcode ("ldi", "%s,lo8(%s)", (rs = ((offset & 1) ? "r24" : "r25")), s);
+ return rs;
- aop->coff = offset ;
- emitcode("ld","%s,x",
- (rs = ((offset & 1) ? "r25" : "r24")));
- return rs;
+ case AOP_STR:
+ aop->coff = offset;
+ return aop->aopu.aop_str[offset];
- case AOP_Z:
- if (aop->code) {
- if (offset > aop->coff) {
- emitcode("adiw","r30,%d",offset - aop->coff);
- } else {
- emitcode("sbiw","r30,%d",aop->coff - offset);
- }
- emitcode("lpm","%s,z",(rs = ((offset & 1) ? "r25" : "r24")));
- } else {
- /* we can use lds */
- if (offset > aop->coff) {
- emitcode ("ldd","%s,z+%d",(rs = ((offset & 1) ? "r25" : "r24")),
- offset - aop->coff);
- } else {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
- aop->coff = offset;
- emitcode ("ld","%s,z",(rs = ((offset & 1) ? "r25" : "r24")));
- }
+ case AOP_STK_D:
+ emitcode ("ldd", "%s,Y+%d",
+ (rs = ((offset & 1) ? "r25" : "r24")),
+ aop->aopu.aop_stk + offset);
+ return rs;
}
- return rs;
-
- case AOP_IMMD:
-
- emitcode ("lds","%s,(%s)+%d",
- (rs = ((offset & 1) ? "r25" : "r24")),
- aop->aopu.aop_immd, offset);
- return rs;
-
- case AOP_DIR:
- emitcode ("lds","%s,(%s)+%d",
- (rs = ((offset & 1) ? "r25" : "r24")),
- aop->aopu.aop_dir, offset);
- return rs;
-
- case AOP_REG:
- return aop->aopu.aop_reg[offset]->name;
-
- case AOP_CRY:
- assert("cannot be in bit space AOP_CRY\n");
- break;
- case AOP_LIT:
- s = aopLiteral(aop->aopu.aop_lit,offset);
- emitcode("ldi","%s,lo8(%s)",(rs = ((offset & 1)?"r24" : "r25")),s);
- return rs;
-
- case AOP_STR:
- aop->coff = offset ;
- return aop->aopu.aop_str[offset];
-
- case AOP_STK_D:
- emitcode ("ldd","%s,Y+%d",
- (rs = ((offset & 1) ? "r25" : "r24")),
- aop->aopu.aop_stk+offset);
- return rs;
- }
-
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopget got unsupported aop->type");
- exit(0);
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopget got unsupported aop->type");
+ exit (0);
}
/*-----------------------------------------------------------------*/
/* aopPut - puts a string for a aop */
/*-----------------------------------------------------------------*/
-static void aopPut (asmop *aop, char *s, int offset)
+static void
+aopPut (asmop * aop, char *s, int offset)
{
- char *d = buffer ;
+ char *d = buffer;
- if (aop->size && offset > ( aop->size - 1)) {
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got offset > aop->size");
- exit(0);
- }
+ if (aop->size && offset > (aop->size - 1))
+ {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopPut got offset > aop->size");
+ exit (0);
+ }
/* will assign value to value */
/* depending on where it is ofcourse */
- switch (aop->type) {
- case AOP_DIR:
- if (offset) {
- sprintf(d,"(%s)+%d", aop->aopu.aop_dir,offset);
- }
- else {
- sprintf(d,"%s",aop->aopu.aop_dir);
- }
+ switch (aop->type)
+ {
+ case AOP_DIR:
+ if (offset)
+ {
+ sprintf (d, "(%s)+%d", aop->aopu.aop_dir, offset);
+ }
+ else
+ {
+ sprintf (d, "%s", aop->aopu.aop_dir);
+ }
- emitcode("sts","%s,%s",d,s);
- break;
+ emitcode ("sts", "%s,%s", d, s);
+ break;
- case AOP_REG:
- if (toupper(*s) != 'R') {
- if (s == zero) {
- emitcode("clr","%s",aop->aopu.aop_reg[offset]->name);
- } else {
- emitcode("ldi","r25,%s",s);
- emitcode("mov","%s,r35",aop->aopu.aop_reg[offset]->name);
- }
- } else {
- if (strcmp( aop->aopu.aop_reg[offset]->name,s)) {
- emitcode("mov","%s,%s", aop->aopu.aop_reg[offset]->name,s);
- }
- }
- break;
+ case AOP_REG:
+ if (toupper (*s) != 'R')
+ {
+ if (s == zero)
+ {
+ emitcode ("clr", "%s", aop->aopu.aop_reg[offset]->name);
+ }
+ else
+ {
+ emitcode ("ldi", "r25,%s", s);
+ emitcode ("mov", "%s,r35", aop->aopu.aop_reg[offset]->name);
+ }
+ }
+ else
+ {
+ if (strcmp (aop->aopu.aop_reg[offset]->name, s))
+ {
+ emitcode ("mov", "%s,%s", aop->aopu.aop_reg[offset]->name, s);
+ }
+ }
+ break;
- case AOP_X:
- if (offset > aop->coff) {
- emitcode ("adiw","%s,%d",aop->aopu.aop_ptr->name,offset - aop->coff);
- }
+ case AOP_X:
+ if (offset > aop->coff)
+ {
+ emitcode ("adiw", "%s,%d", aop->aopu.aop_ptr->name, offset - aop->coff);
+ }
- if (offset < aop->coff) {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
- }
+ if (offset < aop->coff)
+ {
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, aop->coff - offset);
+ }
- aop->coff = offset ;
- emitcode("st","x,%s", s);
- break;
+ aop->coff = offset;
+ emitcode ("st", "x,%s", s);
+ break;
- case AOP_Z:
- if (aop->code) {
- if (offset > aop->coff) {
- emitcode("adiw","r30,%d",offset - aop->coff);
- } else {
- emitcode("sbiw","r30,%d",aop->coff - offset);
- }
- emitcode("lpm","%s,z",s);
- } else {
- /* we can use lds */
- if (offset > aop->coff) {
- emitcode ("sdd","z+%d,%s",offset - aop->coff,s);
- } else {
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,aop->coff - offset);
- aop->coff = offset;
- emitcode ("ld","%s,z",s);
- }
- }
- break;
+ case AOP_Z:
+ if (aop->code)
+ {
+ if (offset > aop->coff)
+ {
+ emitcode ("adiw", "r30,%d", offset - aop->coff);
+ }
+ else
+ {
+ emitcode ("sbiw", "r30,%d", aop->coff - offset);
+ }
+ emitcode ("lpm", "%s,z", s);
+ }
+ else
+ {
+ /* we can use lds */
+ if (offset > aop->coff)
+ {
+ emitcode ("sdd", "z+%d,%s", offset - aop->coff, s);
+ }
+ else
+ {
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, aop->coff - offset);
+ aop->coff = offset;
+ emitcode ("ld", "%s,z", s);
+ }
+ }
+ break;
- case AOP_STK:
- emitcode("push","%s",s);
- break;
+ case AOP_STK:
+ emitcode ("push", "%s", s);
+ break;
- case AOP_CRY:
- /* if used only for a condition code check */
- assert(toupper(*s) == 'R');
- if (offset == 0) {
- emitcode("xrl","r0,r0");
- emitcode("cpi","%s,0",s);
- }
- else {
- emitcode("cpc","r0,%s",s);
- }
- break;
+ case AOP_CRY:
+ /* if used only for a condition code check */
+ assert (toupper (*s) == 'R');
+ if (offset == 0)
+ {
+ emitcode ("xrl", "r0,r0");
+ emitcode ("cpi", "%s,0", s);
+ }
+ else
+ {
+ emitcode ("cpc", "r0,%s", s);
+ }
+ break;
- case AOP_STR:
- aop->coff = offset;
- if (strcmp(aop->aopu.aop_str[offset],s))
- emitcode ("mov","%s,%s",aop->aopu.aop_str[offset],s);
- break;
+ case AOP_STR:
+ aop->coff = offset;
+ if (strcmp (aop->aopu.aop_str[offset], s))
+ emitcode ("mov", "%s,%s", aop->aopu.aop_str[offset], s);
+ break;
- case AOP_STK_D:
- emitcode ("std","y+%d,%s",offset,s);
- break;
+ case AOP_STK_D:
+ emitcode ("std", "y+%d,%s", offset, s);
+ break;
- default :
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "aopPut got unsupported aop->type");
- exit(0);
- }
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "aopPut got unsupported aop->type");
+ exit (0);
+ }
}
/*-----------------------------------------------------------------*/
/* reAdjustPreg - points a register back to where it should */
/*-----------------------------------------------------------------*/
-static void reAdjustPreg (asmop *aop)
+static void
+reAdjustPreg (asmop * aop)
{
- int size ;
+ int size;
aop->coff = 0;
if ((size = aop->size) <= 1)
- return ;
- size-- ;
- switch (aop->type) {
- case AOP_X :
- case AOP_Z :
- emitcode("sbiw","%s,%d",aop->aopu.aop_ptr->name,size);
- break;
- }
+ return;
+ size--;
+ switch (aop->type)
+ {
+ case AOP_X:
+ case AOP_Z:
+ emitcode ("sbiw", "%s,%d", aop->aopu.aop_ptr->name, size);
+ break;
+ }
}
/*-----------------------------------------------------------------*/
/* genNotFloat - generates not for float operations */
/*-----------------------------------------------------------------*/
-static void genNotFloat (operand *op, operand *res)
+static void
+genNotFloat (operand * op, operand * res)
{
int size, offset;
char *l;
- symbol *tlbl ;
+ symbol *tlbl;
/* we will put 127 in the first byte of
the result */
- aopPut(AOP(res),"127",0);
- size = AOP_SIZE(op) - 1;
+ aopPut (AOP (res), "127", 0);
+ size = AOP_SIZE (op) - 1;
offset = 1;
- l = aopGet(op->aop,offset++);
- MOVR0(l);
+ l = aopGet (op->aop, offset++);
+ MOVR0 (l);
- while(size--) {
- emitcode("or","R0,%s", aopGet(op->aop, offset++));
- }
- tlbl = newiTempLabel(NULL);
+ while (size--)
+ {
+ emitcode ("or", "R0,%s", aopGet (op->aop, offset++));
+ }
+ tlbl = newiTempLabel (NULL);
- tlbl = newiTempLabel(NULL);
- aopPut(res->aop,zero,1);
- emitcode("cpi","r0,0");
- emitcode("breq","L%05d",tlbl->key);
- aopPut(res->aop,one,1);
- emitcode("","L%05d:",tlbl->key);
+ tlbl = newiTempLabel (NULL);
+ aopPut (res->aop, zero, 1);
+ emitcode ("cpi", "r0,0");
+ emitcode ("breq", "L%05d", tlbl->key);
+ aopPut (res->aop, one, 1);
+ emitcode ("", "L%05d:", tlbl->key);
size = res->aop->size - 2;
offset = 2;
/* put zeros in the rest */
while (size--)
- aopPut(res->aop,zero,offset++);
+ aopPut (res->aop, zero, offset++);
}
/*-----------------------------------------------------------------*/
/* opIsGptr: returns non-zero if the passed operand is */
/* a generic pointer type. */
/*-----------------------------------------------------------------*/
-static int opIsGptr(operand *op)
+static int
+opIsGptr (operand * op)
{
- sym_link *type = operandType(op);
+ sym_link *type = operandType (op);
- if ((AOP_SIZE(op) == GPTRSIZE) && IS_GENPTR(type))
+ if ((AOP_SIZE (op) == GPTRSIZE) && IS_GENPTR (type))
{
return 1;
}
/*-----------------------------------------------------------------*/
/* getDataSize - get the operand data size */
/*-----------------------------------------------------------------*/
-static int getDataSize(operand *op)
+static int
+getDataSize (operand * op)
{
int size;
- size = AOP_SIZE(op);
+ size = AOP_SIZE (op);
if (size == GPTRSIZE)
{
- sym_link *type = operandType(op);
- if (IS_GENPTR(type))
- {
- /* generic pointer; arithmetic operations
- * should ignore the high byte (pointer type).
- */
- size--;
- }
+ sym_link *type = operandType (op);
+ if (IS_GENPTR (type))
+ {
+ /* generic pointer; arithmetic operations
+ * should ignore the high byte (pointer type).
+ */
+ size--;
+ }
}
return size;
}
/*-----------------------------------------------------------------*/
/* outAcc - output Acc */
/*-----------------------------------------------------------------*/
-static void outAcc(operand *result)
+static void
+outAcc (operand * result)
{
int size, offset;
- size = getDataSize(result);
- if(size){
- aopPut(AOP(result),"r0",0);
- size--;
- offset = 1;
- /* unsigned or positive */
- while(size--){
- aopPut(AOP(result),zero,offset++);
+ size = getDataSize (result);
+ if (size)
+ {
+ aopPut (AOP (result), "r0", 0);
+ size--;
+ offset = 1;
+ /* unsigned or positive */
+ while (size--)
+ {
+ aopPut (AOP (result), zero, offset++);
+ }
}
- }
}
/*-----------------------------------------------------------------*/
/* outBitC - output a bit C */
/*-----------------------------------------------------------------*/
-static void outBitC(operand *result)
+static void
+outBitC (operand * result)
{
- emitcode("clr","r0");
- emitcode("rol","r0");
- outAcc(result);
+ emitcode ("clr", "r0");
+ emitcode ("rol", "r0");
+ outAcc (result);
}
/*-----------------------------------------------------------------*/
/* toBoolean - emit code for orl a,operator(sizeop) */
/*-----------------------------------------------------------------*/
-static void toBoolean(operand *oper, char *r, bool clr)
+static void
+toBoolean (operand * oper, char *r, bool clr)
{
- int size = AOP_SIZE(oper) ;
+ int size = AOP_SIZE (oper);
int offset = 0;
- if (clr) emitcode ("clr","%s",r);
+ if (clr)
+ emitcode ("clr", "%s", r);
while (size--)
- emitcode("or","%s,%s",r,aopGet(AOP(oper),offset++));
+ emitcode ("or", "%s,%s", r, aopGet (AOP (oper), offset++));
}
/*-----------------------------------------------------------------*/
/* genNot - generate code for ! operation */
/*-----------------------------------------------------------------*/
-static void genNot (iCode *ic)
+static void
+genNot (iCode * ic)
{
symbol *tlbl;
- sym_link *optype = operandType(IC_LEFT(ic));
+ sym_link *optype = operandType (IC_LEFT (ic));
int size, offset = 1;
/* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
/* if type float then do float */
- if (IS_FLOAT(optype)) {
- genNotFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
- emitcode("clr","r0");
- tlbl = newiTempLabel(NULL);
- size = AOP_SIZE(IC_LEFT(ic));
+ if (IS_FLOAT (optype))
+ {
+ genNotFloat (IC_LEFT (ic), IC_RESULT (ic));
+ goto release;
+ }
+ emitcode ("clr", "r0");
+ tlbl = newiTempLabel (NULL);
+ size = AOP_SIZE (IC_LEFT (ic));
offset = 0;
- if (size == 1) {
- emitcode("cpse","%s,r0",aopGet(AOP(IC_LEFT(ic)),0));
- }
- else {
- while (size--) {
- if (offset) emitcode("cpc","%s,r0",aopGet(AOP(IC_LEFT(ic)),offset));
- else emitcode("cpi","%s,0",aopGet(AOP(IC_LEFT(ic)),offset));
- offset++;
+ if (size == 1)
+ {
+ emitcode ("cpse", "%s,r0", aopGet (AOP (IC_LEFT (ic)), 0));
}
- emitcode("bne","L%05d",tlbl->key);
- }
- emitcode("ldi","r0,1");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(IC_RESULT(ic)),"r0",0);
- size = AOP_SIZE(IC_RESULT(ic)) -1;
+ else
+ {
+ while (size--)
+ {
+ if (offset)
+ emitcode ("cpc", "%s,r0", aopGet (AOP (IC_LEFT (ic)), offset));
+ else
+ emitcode ("cpi", "%s,0", aopGet (AOP (IC_LEFT (ic)), offset));
+ offset++;
+ }
+ emitcode ("bne", "L%05d", tlbl->key);
+ }
+ emitcode ("ldi", "r0,1");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (IC_RESULT (ic)), "r0", 0);
+ size = AOP_SIZE (IC_RESULT (ic)) - 1;
offset = 1;
- while (size--) aopPut(AOP(IC_RESULT(ic)),zero,offset++);
+ while (size--)
+ aopPut (AOP (IC_RESULT (ic)), zero, offset++);
- release:
+release:
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCpl - generate code for complement */
/*-----------------------------------------------------------------*/
-static void genCpl (iCode *ic)
+static void
+genCpl (iCode * ic)
{
int offset = 0;
- int size ;
+ int size;
int samer;
/* assign asmOps to operand & result */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
- samer = sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic)));
- size = AOP_SIZE(IC_RESULT(ic));
- while (size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset);
- if (samer) {
- emitcode ("com","%s",l);
- } else {
- aopPut(AOP(IC_RESULT(ic)),l,offset);
- emitcode ("com","%s",aopGet(AOP(IC_RESULT(ic)),offset));
- }
- offset++;
- }
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
+ samer = sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic)));
+ size = AOP_SIZE (IC_RESULT (ic));
+ while (size--)
+ {
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset);
+ if (samer)
+ {
+ emitcode ("com", "%s", l);
+ }
+ else
+ {
+ aopPut (AOP (IC_RESULT (ic)), l, offset);
+ emitcode ("com", "%s", aopGet (AOP (IC_RESULT (ic)), offset));
+ }
+ offset++;
+ }
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genUminusFloat - unary minus for floating points */
/*-----------------------------------------------------------------*/
-static void genUminusFloat(operand *op,operand *result)
+static void
+genUminusFloat (operand * op, operand * result)
{
- int size ,offset =0 ;
+ int size, offset = 0;
char *l;
/* for this we just need to flip the
first it then copy the rest in place */
- size = AOP_SIZE(op) - 1;
- l = aopGet(AOP(op),3);
-
- emitcode("ldi","r24,0x80");
- if (sameRegs(AOP(op),AOP(result))) {
- emitcode("eor","%s,r24",l);
- } else {
- aopPut(AOP(result),l,3);
- emitcode("eor","%s,r24",aopGet(AOP(result),3));
- }
- while(size--) {
- aopPut(AOP(result), aopGet(AOP(op),offset), offset);
- offset++;
- }
+ size = AOP_SIZE (op) - 1;
+ l = aopGet (AOP (op), 3);
+
+ emitcode ("ldi", "r24,0x80");
+ if (sameRegs (AOP (op), AOP (result)))
+ {
+ emitcode ("eor", "%s,r24", l);
+ }
+ else
+ {
+ aopPut (AOP (result), l, 3);
+ emitcode ("eor", "%s,r24", aopGet (AOP (result), 3));
+ }
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (op), offset), offset);
+ offset++;
+ }
}
/*-----------------------------------------------------------------*/
/* genUminus - unary minus code generation */
/*-----------------------------------------------------------------*/
-static void genUminus (iCode *ic)
+static void
+genUminus (iCode * ic)
{
- int offset ,size ;
+ int offset, size;
sym_link *optype, *rtype;
- int samer ;
+ int samer;
/* assign asmops */
- aopOp(IC_LEFT(ic),ic,FALSE);
- aopOp(IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
- optype = operandType(IC_LEFT(ic));
- rtype = operandType(IC_RESULT(ic));
+ optype = operandType (IC_LEFT (ic));
+ rtype = operandType (IC_RESULT (ic));
/* if float then do float stuff */
- if (IS_FLOAT(optype)) {
- genUminusFloat(IC_LEFT(ic),IC_RESULT(ic));
- goto release;
- }
+ if (IS_FLOAT (optype))
+ {
+ genUminusFloat (IC_LEFT (ic), IC_RESULT (ic));
+ goto release;
+ }
/* otherwise subtract from zero */
- size = AOP_SIZE(IC_LEFT(ic));
- offset = 0 ;
- samer = sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic)));
- if (size == 1) {
- if (samer) {
- emitcode("neg","%s",aopGet(AOP(IC_LEFT(ic)),0));
- } else {
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),0),0);
- emitcode("neg","%s",aopGet(AOP(IC_RESULT(ic)),0));
- }
- } else {
- offset = size - 1;
- while(size--) {
- char *l = aopGet(AOP(IC_LEFT(ic)),offset);
- if (!samer) {
- aopPut(AOP(IC_RESULT(ic)),l,offset);
- l = aopGet(AOP(IC_RESULT(ic)),offset);
- }
- if (offset) emitcode("com","%s",l);
- else emitcode("neg","%s",l);
- offset--;
+ size = AOP_SIZE (IC_LEFT (ic));
+ offset = 0;
+ samer = sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic)));
+ if (size == 1)
+ {
+ if (samer)
+ {
+ emitcode ("neg", "%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ }
+ else
+ {
+ aopPut (AOP (IC_RESULT (ic)), aopGet (AOP (IC_LEFT (ic)), 0), 0);
+ emitcode ("neg", "%s", aopGet (AOP (IC_RESULT (ic)), 0));
+ }
}
- size = AOP_SIZE(IC_LEFT(ic)) -1;
- offset = 1 ;
- while (size--) {
- emitcode("sbci","%s,lo8(-1)",aopGet(AOP(IC_RESULT(ic)),offset++));
+ else
+ {
+ offset = size - 1;
+ while (size--)
+ {
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset);
+ if (!samer)
+ {
+ aopPut (AOP (IC_RESULT (ic)), l, offset);
+ l = aopGet (AOP (IC_RESULT (ic)), offset);
+ }
+ if (offset)
+ emitcode ("com", "%s", l);
+ else
+ emitcode ("neg", "%s", l);
+ offset--;
+ }
+ size = AOP_SIZE (IC_LEFT (ic)) - 1;
+ offset = 1;
+ while (size--)
+ {
+ emitcode ("sbci", "%s,lo8(-1)", aopGet (AOP (IC_RESULT (ic)), offset++));
+ }
}
- }
/* if any remaining bytes in the result */
/* we just need to propagate the sign */
- if ((size = (AOP_SIZE(IC_RESULT(ic)) - AOP_SIZE(IC_LEFT(ic))))) {
- symbol *tlbl = newiTempLabel(NULL);
- emitcode("clr","r0");
- emitcode("brcc","L%05d",tlbl->key);
- emitcode("com","r0");
- emitcode("","L%05d:",tlbl->key);
- while (size--)
- aopPut(AOP(IC_RESULT(ic)),"r0",offset++);
- }
+ if ((size = (AOP_SIZE (IC_RESULT (ic)) - AOP_SIZE (IC_LEFT (ic)))))
+ {
+ symbol *tlbl = newiTempLabel (NULL);
+ emitcode ("clr", "r0");
+ emitcode ("brcc", "L%05d", tlbl->key);
+ emitcode ("com", "r0");
+ emitcode ("", "L%05d:", tlbl->key);
+ while (size--)
+ aopPut (AOP (IC_RESULT (ic)), "r0", offset++);
+ }
- release:
+release:
/* release the aops */
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? 0 : 1));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? 0 : 1));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* assignResultValue - */
/*-----------------------------------------------------------------*/
-static void assignResultValue(operand * oper)
+static void
+assignResultValue (operand * oper)
{
int offset = 0;
- int size = AOP_SIZE(oper);
- while (size--) {
- aopPut(AOP(oper),fAVRReturn[offset],offset);
- offset++;
- }
+ int size = AOP_SIZE (oper);
+ while (size--)
+ {
+ aopPut (AOP (oper), fAVRReturn[offset], offset);
+ offset++;
+ }
}
/*-----------------------------------------------------------------*/
/* saveZreg - if indirect call then save z-pointer register */
/*-----------------------------------------------------------------*/
-static void saveZreg (iCode *ic)
+static void
+saveZreg (iCode * ic)
{
/* only if live accross this call */
if (ic->regsSaved == 0 &&
- (bitVectBitValue(ic->rMask,R30_IDX) ||
- bitVectBitValue(ic->rMask,R31_IDX))) {
- ic->regsSaved = 1;
- emitcode("push","r30");
- emitcode("push","r31");
- }
+ (bitVectBitValue (ic->rMask, R30_IDX) ||
+ bitVectBitValue (ic->rMask, R31_IDX)))
+ {
+ ic->regsSaved = 1;
+ emitcode ("push", "r30");
+ emitcode ("push", "r31");
+ }
}
/*-----------------------------------------------------------------*/
/* popZreg - restore values of zreg */
/*-----------------------------------------------------------------*/
-static void popZreg (iCode *ic)
+static void
+popZreg (iCode * ic)
{
- if (ic->regsSaved) {
- emitcode ("pop","r31");
- emitcode ("pop","r30");
- }
+ if (ic->regsSaved)
+ {
+ emitcode ("pop", "r31");
+ emitcode ("pop", "r30");
+ }
}
/*-----------------------------------------------------------------*/
/* genIpush - genrate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
-static void genIpush (iCode *ic)
+static void
+genIpush (iCode * ic)
{
- int size, offset = 0 ;
+ int size, offset = 0;
char *l;
- if (!ic->parmPush) {
- /* and the item is spilt then do nothing */
- if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
- return ;
- } else {
- iCode *lic ;
- for (lic = ic->next ; lic ; lic = lic->next)
- if (lic->op == PCALL) break;
- if (lic) saveZreg(lic);
- }
+ if (!ic->parmPush)
+ {
+ /* and the item is spilt then do nothing */
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ return;
+ }
+ else
+ {
+ iCode *lic;
+ for (lic = ic->next; lic; lic = lic->next)
+ if (lic->op == PCALL)
+ break;
+ if (lic)
+ saveZreg (lic);
+ }
/* this is a paramter push */
- aopOp(IC_LEFT(ic),ic,FALSE);
- size = AOP_SIZE(IC_LEFT(ic));
- while (size--) {
- l = aopGet(AOP(IC_LEFT(ic)),offset++);
- emitcode("push","%s",l);
- }
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
+ while (size--)
+ {
+ l = aopGet (AOP (IC_LEFT (ic)), offset++);
+ emitcode ("push", "%s", l);
+ }
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genIpop - recover the registers: can happen only for spilling */
/*-----------------------------------------------------------------*/
-static void genIpop (iCode *ic)
+static void
+genIpop (iCode * ic)
{
- int size,offset ;
+ int size, offset;
/* if the temp was not pushed then */
- if (OP_SYMBOL(IC_LEFT(ic))->isspilt)
- return ;
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ return;
- aopOp(IC_LEFT(ic),ic,FALSE);
- size = AOP_SIZE(IC_LEFT(ic));
- offset = (size-1);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
+ offset = (size - 1);
while (size--)
- emitcode("pop","%s",aopGet(AOP(IC_LEFT(ic)),offset--));
+ emitcode ("pop", "%s", aopGet (AOP (IC_LEFT (ic)), offset--));
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCall - generates a call statement */
/*-----------------------------------------------------------------*/
-static void genCall (iCode *ic)
+static void
+genCall (iCode * ic)
{
/* if send set is not empty the assign */
- if (_G.sendSet) {
- iCode *sic ;
- int rnum = 16;
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
- int size, offset = 0;
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
- while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset);
- char *b = buffer;
- sprintf(buffer,"r%d",rnum++);
- if (strcmp(l,b))
- emitcode("mov","%s,%s",b,l);
- offset++;
- }
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
+ if (_G.sendSet)
+ {
+ iCode *sic;
+ int rnum = 16;
+ for (sic = setFirstItem (_G.sendSet); sic;
+ sic = setNextItem (_G.sendSet))
+ {
+ int size, offset = 0;
+ aopOp (IC_LEFT (sic), sic, FALSE);
+ size = AOP_SIZE (IC_LEFT (sic));
+ while (size--)
+ {
+ char *l = aopGet (AOP (IC_LEFT (sic)), offset);
+ char *b = buffer;
+ sprintf (buffer, "r%d", rnum++);
+ if (strcmp (l, b))
+ emitcode ("mov", "%s,%s", b, l);
+ offset++;
+ }
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
+ }
+ _G.sendSet = NULL;
}
- _G.sendSet = NULL;
- }
/* make the call */
- emitcode("call","%s",(OP_SYMBOL(IC_LEFT(ic))->rname[0] ?
- OP_SYMBOL(IC_LEFT(ic))->rname :
- OP_SYMBOL(IC_LEFT(ic))->name));
+ emitcode ("call", "%s", (OP_SYMBOL (IC_LEFT (ic))->rname[0] ?
+ OP_SYMBOL (IC_LEFT (ic))->rname :
+ OP_SYMBOL (IC_LEFT (ic))->name));
/* 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)) ) {
-
- aopOp(IC_RESULT(ic),ic,FALSE);
- assignResultValue(IC_RESULT(ic));
- freeAsmop(IC_RESULT(ic),NULL, ic,TRUE);
- }
+ if ((IS_ITEMP (IC_RESULT (ic)) &&
+ (OP_SYMBOL (IC_RESULT (ic))->nRegs ||
+ OP_SYMBOL (IC_RESULT (ic))->spildir)) ||
+ IS_TRUE_SYMOP (IC_RESULT (ic)))
+ {
- /* adjust the stack for parameters if required */
- if (IC_LEFT(ic)->parmBytes) {
- if (IC_LEFT(ic)->parmBytes > 63) {
- emitcode("sbiw","r28,%d",IC_LEFT(ic)->parmBytes);
- } else {
- emitcode("subi","r28,lo8(%d)",IC_LEFT(ic)->parmBytes);
- emitcode("sbci","r29,hi8(%d)",IC_LEFT(ic)->parmBytes);
+ aopOp (IC_RESULT (ic), ic, FALSE);
+ assignResultValue (IC_RESULT (ic));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
+ }
+
+ /* adjust the stack for parameters if required */
+ if (IC_LEFT (ic)->parmBytes)
+ {
+ if (IC_LEFT (ic)->parmBytes > 63)
+ {
+ emitcode ("sbiw", "r28,%d", IC_LEFT (ic)->parmBytes);
+ }
+ else
+ {
+ emitcode ("subi", "r28,lo8(%d)", IC_LEFT (ic)->parmBytes);
+ emitcode ("sbci", "r29,hi8(%d)", IC_LEFT (ic)->parmBytes);
+ }
}
- }
}
/*-----------------------------------------------------------------*/
/* genPcall - generates a call by pointer statement */
/*-----------------------------------------------------------------*/
-static void genPcall (iCode *ic)
+static void
+genPcall (iCode * ic)
{
- if (!ic->regsSaved) saveZreg(ic);
+ if (!ic->regsSaved)
+ saveZreg (ic);
- aopOp(IC_LEFT(ic),ic,FALSE);
- emitcode("mov","r30",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r31",aopGet(AOP(IC_RIGHT(ic)),0));
- freeAsmop(IC_LEFT(ic),NULL,ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ emitcode ("mov", "r30", aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r31", aopGet (AOP (IC_RIGHT (ic)), 0));
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
/* if send set is not empty the assign */
- if (_G.sendSet) {
- iCode *sic ;
- int rnum = 16;
- for (sic = setFirstItem(_G.sendSet) ; sic ;
- sic = setNextItem(_G.sendSet)) {
- int size, offset = 0;
- aopOp(IC_LEFT(sic),sic,FALSE);
- size = AOP_SIZE(IC_LEFT(sic));
- while (size--) {
- char *l = aopGet(AOP(IC_LEFT(sic)),offset);
- char *b = buffer;
- sprintf(b,"r%d",rnum++);
- if (strcmp(l,b))
- emitcode("mov","%s,%s",b,l);
- offset++;
- }
- freeAsmop (IC_LEFT(sic),NULL,sic,TRUE);
+ if (_G.sendSet)
+ {
+ iCode *sic;
+ int rnum = 16;
+ for (sic = setFirstItem (_G.sendSet); sic;
+ sic = setNextItem (_G.sendSet))
+ {
+ int size, offset = 0;
+ aopOp (IC_LEFT (sic), sic, FALSE);
+ size = AOP_SIZE (IC_LEFT (sic));
+ while (size--)
+ {
+ char *l = aopGet (AOP (IC_LEFT (sic)), offset);
+ char *b = buffer;
+ sprintf (b, "r%d", rnum++);
+ if (strcmp (l, b))
+ emitcode ("mov", "%s,%s", b, l);
+ offset++;
+ }
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
+ }
+ _G.sendSet = NULL;
}
- _G.sendSet = NULL;
- }
- emitcode("icall","");
+ emitcode ("icall", "");
/* 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 ((IS_ITEMP (IC_RESULT (ic)) &&
+ (OP_SYMBOL (IC_RESULT (ic))->nRegs ||
+ OP_SYMBOL (IC_RESULT (ic))->spildir)) ||
+ IS_TRUE_SYMOP (IC_RESULT (ic)))
+ {
- aopOp(IC_RESULT(ic),ic,FALSE);
+ aopOp (IC_RESULT (ic), ic, FALSE);
- assignResultValue(IC_RESULT(ic));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
- }
+ assignResultValue (IC_RESULT (ic));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
+ }
/* adjust the stack for parameters if
required */
- if (IC_LEFT(ic)->parmBytes) {
- int i;
- if (IC_LEFT(ic)->parmBytes > 3) {
- emitcode("mov","a,%s",spname);
- emitcode("add","a,#0x%02x", (- IC_LEFT(ic)->parmBytes) & 0xff);
- emitcode("mov","%s,a",spname);
- } else
- for ( i = 0 ; i < IC_LEFT(ic)->parmBytes ;i++)
- emitcode("dec","%s",spname);
+ if (IC_LEFT (ic)->parmBytes)
+ {
+ int i;
+ if (IC_LEFT (ic)->parmBytes > 3)
+ {
+ emitcode ("mov", "a,%s", spname);
+ emitcode ("add", "a,#0x%02x", (-IC_LEFT (ic)->parmBytes) & 0xff);
+ emitcode ("mov", "%s,a", spname);
+ }
+ else
+ for (i = 0; i < IC_LEFT (ic)->parmBytes; i++)
+ emitcode ("dec", "%s", spname);
- }
+ }
/* adjust the stack for parameters if required */
- if (IC_LEFT(ic)->parmBytes) {
- if (IC_LEFT(ic)->parmBytes > 63) {
- emitcode("sbiw","r28,%d",IC_LEFT(ic)->parmBytes);
- } else {
- emitcode("subi","r28,lo8(%d)",IC_LEFT(ic)->parmBytes);
- emitcode("sbci","r29,hi8(%d)",IC_LEFT(ic)->parmBytes);
+ if (IC_LEFT (ic)->parmBytes)
+ {
+ if (IC_LEFT (ic)->parmBytes > 63)
+ {
+ emitcode ("sbiw", "r28,%d", IC_LEFT (ic)->parmBytes);
+ }
+ else
+ {
+ emitcode ("subi", "r28,lo8(%d)", IC_LEFT (ic)->parmBytes);
+ emitcode ("sbci", "r29,hi8(%d)", IC_LEFT (ic)->parmBytes);
+ }
}
- }
- if (ic->regsSaved) popZreg(ic);
+ if (ic->regsSaved)
+ popZreg (ic);
}
/*-----------------------------------------------------------------*/
/* resultRemat - result is rematerializable */
/*-----------------------------------------------------------------*/
-static int resultRemat (iCode *ic)
+static int
+resultRemat (iCode * ic)
{
- if (SKIP_IC(ic) || ic->op == IFX)
+ 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;
}
/*-----------------------------------------------------------------*/
/* inExcludeList - return 1 if the string is in exclude Reg list */
/*-----------------------------------------------------------------*/
-static bool inExcludeList(char *s)
+static bool
+inExcludeList (char *s)
{
- int i =0;
+ int i = 0;
if (options.excludeRegs[i] &&
- STRCASECMP(options.excludeRegs[i],"none") == 0)
- return FALSE ;
+ STRCASECMP (options.excludeRegs[i], "none") == 0)
+ return FALSE;
- for ( i = 0 ; options.excludeRegs[i]; i++) {
- if (options.excludeRegs[i] &&
- STRCASECMP(s,options.excludeRegs[i]) == 0)
- return TRUE;
- }
- return FALSE ;
+ for (i = 0; options.excludeRegs[i]; i++)
+ {
+ if (options.excludeRegs[i] &&
+ STRCASECMP (s, options.excludeRegs[i]) == 0)
+ return TRUE;
+ }
+ return FALSE;
}
/*-----------------------------------------------------------------*/
/* genFunction - generated code for function entry */
/*-----------------------------------------------------------------*/
-static void genFunction (iCode *ic)
+static void
+genFunction (iCode * ic)
{
symbol *sym;
sym_link *fetype;
_G.nRegsSaved = 0;
/* create the function header */
- emitcode(";","-----------------------------------------");
- emitcode(";"," function %s",(sym = OP_SYMBOL(IC_LEFT(ic)))->name);
- emitcode(";","-----------------------------------------");
+ emitcode (";", "-----------------------------------------");
+ emitcode (";", " function %s", (sym = OP_SYMBOL (IC_LEFT (ic)))->name);
+ emitcode (";", "-----------------------------------------");
- emitcode("","%s:",sym->rname);
- fetype = getSpec(operandType(IC_LEFT(ic)));
+ emitcode ("", "%s:", sym->rname);
+ fetype = getSpec (operandType (IC_LEFT (ic)));
/* if critical function then turn interrupts off */
- if (SPEC_CRTCL(fetype))
- emitcode("cli","");
+ if (SPEC_CRTCL (fetype))
+ emitcode ("cli", "");
- if (IS_ISR(sym->etype)) {
- }
+ if (IS_ISR (sym->etype))
+ {
+ }
/* save the preserved registers that are used in this function */
- for (i = R2_IDX ; i <= R15_IDX ; i++ ) {
- if (bitVectBitValue(sym->regsUsed,i)) {
- _G.nRegsSaved++;
- emitcode("push","%s",avr_regWithIdx(i)->name);
+ for (i = R2_IDX; i <= R15_IDX; i++)
+ {
+ if (bitVectBitValue (sym->regsUsed, i))
+ {
+ _G.nRegsSaved++;
+ emitcode ("push", "%s", avr_regWithIdx (i)->name);
+ }
}
- }
/* now for the pointer registers */
- if (bitVectBitValue(sym->regsUsed,R26_IDX)) {
- _G.nRegsSaved++;
- emitcode("push","r26");
- }
- if (bitVectBitValue(sym->regsUsed,R27_IDX)) {
- _G.nRegsSaved++;
- emitcode("push","r27");
- }
- if (bitVectBitValue(sym->regsUsed,R30_IDX)) {
- _G.nRegsSaved++;
- emitcode("push","r30");
- }
- if (bitVectBitValue(sym->regsUsed,R31_IDX)) {
- _G.nRegsSaved++;
- emitcode("push","r31");
- }
+ if (bitVectBitValue (sym->regsUsed, R26_IDX))
+ {
+ _G.nRegsSaved++;
+ emitcode ("push", "r26");
+ }
+ if (bitVectBitValue (sym->regsUsed, R27_IDX))
+ {
+ _G.nRegsSaved++;
+ emitcode ("push", "r27");
+ }
+ if (bitVectBitValue (sym->regsUsed, R30_IDX))
+ {
+ _G.nRegsSaved++;
+ emitcode ("push", "r30");
+ }
+ if (bitVectBitValue (sym->regsUsed, R31_IDX))
+ {
+ _G.nRegsSaved++;
+ emitcode ("push", "r31");
+ }
/* adjust the stack for the function */
- if (sym->stack) {
- emitcode ("push","r28");
- emitcode ("push","r29");
- emitcode ("in","r28,__SP_L__");
- emitcode ("in","r29,__SP_H__");
- if (sym->stack <= 63) {
- emitcode("sbiw","r28,%d",sym->stack);
- } else {
- emitcode ("subi","r28,lo8(%d)",sym->stack);
- emitcode ("sbci","r29,hi8(%d)",sym->stack);
- }
- emitcode("out","__SP_L__,r28");
- emitcode("out","__SP_H__,r29");
- }
+ if (sym->stack)
+ {
+ emitcode ("push", "r28");
+ emitcode ("push", "r29");
+ emitcode ("in", "r28,__SP_L__");
+ emitcode ("in", "r29,__SP_H__");
+ if (sym->stack <= 63)
+ {
+ emitcode ("sbiw", "r28,%d", sym->stack);
+ }
+ else
+ {
+ emitcode ("subi", "r28,lo8(%d)", sym->stack);
+ emitcode ("sbci", "r29,hi8(%d)", sym->stack);
+ }
+ emitcode ("out", "__SP_L__,r28");
+ emitcode ("out", "__SP_H__,r29");
+ }
}
/*-----------------------------------------------------------------*/
/* genEndFunction - generates epilogue for functions */
/*-----------------------------------------------------------------*/
-static void genEndFunction (iCode *ic)
+static void
+genEndFunction (iCode * ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
+ symbol *sym = OP_SYMBOL (IC_LEFT (ic));
int i;
/* restore stack pointer */
- if (sym->stack) {
- if (sym->stack <= 63) {
- emitcode("adiw","r28,%d",sym->stack);
- } else {
- emitcode ("subi","r28,lo8(-%d)",sym->stack);
- emitcode ("sbci","r29,hi8(-%d)",sym->stack);
- }
- emitcode("out","__SP_L__,r28");
- emitcode("out","__SP_H__,r29");
-
- /* pop frame pointer */
- emitcode ("pop","r29");
- emitcode ("pop","r28");
- }
+ if (sym->stack)
+ {
+ if (sym->stack <= 63)
+ {
+ emitcode ("adiw", "r28,%d", sym->stack);
+ }
+ else
+ {
+ emitcode ("subi", "r28,lo8(-%d)", sym->stack);
+ emitcode ("sbci", "r29,hi8(-%d)", sym->stack);
+ }
+ emitcode ("out", "__SP_L__,r28");
+ emitcode ("out", "__SP_H__,r29");
+
+ /* pop frame pointer */
+ emitcode ("pop", "r29");
+ emitcode ("pop", "r28");
+ }
/* restore preserved registers */
- if (bitVectBitValue(sym->regsUsed,R31_IDX)) {
- _G.nRegsSaved--;
- emitcode("pop","r31");
- }
- if (bitVectBitValue(sym->regsUsed,R30_IDX)) {
- _G.nRegsSaved--;
- emitcode("pop","r30");
- }
- if (bitVectBitValue(sym->regsUsed,R27_IDX)) {
- _G.nRegsSaved--;
- emitcode("push","r27");
- }
- if (bitVectBitValue(sym->regsUsed,R26_IDX)) {
- _G.nRegsSaved--;
- emitcode("push","r26");
- }
- for (i = R15_IDX ; i >= R2_IDX ; i-- ) {
- if (bitVectBitValue(sym->regsUsed,i)) {
+ if (bitVectBitValue (sym->regsUsed, R31_IDX))
+ {
_G.nRegsSaved--;
- emitcode("pop","%s",avr_regWithIdx(i)->name);
+ emitcode ("pop", "r31");
+ }
+ if (bitVectBitValue (sym->regsUsed, R30_IDX))
+ {
+ _G.nRegsSaved--;
+ emitcode ("pop", "r30");
+ }
+ if (bitVectBitValue (sym->regsUsed, R27_IDX))
+ {
+ _G.nRegsSaved--;
+ emitcode ("push", "r27");
+ }
+ if (bitVectBitValue (sym->regsUsed, R26_IDX))
+ {
+ _G.nRegsSaved--;
+ emitcode ("push", "r26");
+ }
+ for (i = R15_IDX; i >= R2_IDX; i--)
+ {
+ if (bitVectBitValue (sym->regsUsed, i))
+ {
+ _G.nRegsSaved--;
+ emitcode ("pop", "%s", avr_regWithIdx (i)->name);
+ }
}
- }
- if (SPEC_CRTCL(sym->etype))
- emitcode("sti","");
+ if (SPEC_CRTCL (sym->etype))
+ emitcode ("sti", "");
- if (IS_ISR(sym->etype)) {
- emitcode("rti","");
- } else {
- emitcode("ret","");
- }
+ if (IS_ISR (sym->etype))
+ {
+ emitcode ("rti", "");
+ }
+ else
+ {
+ emitcode ("ret", "");
+ }
}
/*-----------------------------------------------------------------*/
/* genRet - generate code for return statement */
/*-----------------------------------------------------------------*/
-static void genRet (iCode *ic)
+static void
+genRet (iCode * ic)
{
- int size,offset = 0 ;
+ int size, offset = 0;
/* if we have no return value then
just generate the "ret" */
- if (!IC_LEFT(ic))
+ 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));
-
- while (size--) {
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_LIT) {
- emitcode("ldi","%s,%s(%d)",fAVRReturn[offset],larray[offset],
- (int)floatFromVal (AOP(IC_LEFT(ic))->aopu.aop_lit),offset);
- } else {
- char *l ;
- l = aopGet(AOP(IC_LEFT(ic)),offset);
- if (strcmp(fAVRReturn[offset],l))
- emitcode("mov","%s,%s",fAVRReturn[offset],l);
- }
- offset++;
- }
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_LEFT (ic));
+
+ while (size--)
+ {
+ if (AOP_TYPE (IC_LEFT (ic)) == AOP_LIT)
+ {
+ emitcode ("ldi", "%s,%s(%d)", fAVRReturn[offset], larray[offset],
+ (int) floatFromVal (AOP (IC_LEFT (ic))->aopu.aop_lit), offset);
+ }
+ else
+ {
+ char *l;
+ l = aopGet (AOP (IC_LEFT (ic)), offset);
+ if (strcmp (fAVRReturn[offset], l))
+ emitcode ("mov", "%s,%s", fAVRReturn[offset], l);
+ }
+ offset++;
+ }
- freeAsmop (IC_LEFT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_LEFT (ic), NULL, ic, TRUE);
- jumpret:
+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))
+ IC_LABEL (ic->next) == returnLabel))
- emitcode("rjmp","L%05d",returnLabel->key);
+ emitcode ("rjmp", "L%05d", returnLabel->key);
}
/*-----------------------------------------------------------------*/
/* genLabel - generates a label */
/*-----------------------------------------------------------------*/
-static void genLabel (iCode *ic)
+static void
+genLabel (iCode * ic)
{
/* special case never generate */
- if (IC_LABEL(ic) == entryLabel)
- return ;
+ if (IC_LABEL (ic) == entryLabel)
+ return;
- emitcode("","L%05d:",IC_LABEL(ic)->key);
+ emitcode ("", "L%05d:", IC_LABEL (ic)->key);
}
/*-----------------------------------------------------------------*/
/* genGoto - generates a ljmp */
/*-----------------------------------------------------------------*/
-static void genGoto (iCode *ic)
+static void
+genGoto (iCode * ic)
{
- emitcode ("rjmp","L%05d:",(IC_LABEL(ic)->key+100));
+ emitcode ("rjmp", "L%05d:", (IC_LABEL (ic)->key + 100));
}
/*-----------------------------------------------------------------*/
/* between that label and given ic. */
/* Returns zero if label not found. */
/*-----------------------------------------------------------------*/
-static int findLabelBackwards(iCode *ic, int key)
+static int
+findLabelBackwards (iCode * ic, int key)
{
int count = 0;
ic = ic->prev;
count++;
- if (ic->op == LABEL && IC_LABEL(ic)->key == key)
- {
- /* printf("findLabelBackwards = %d\n", count); */
- return count;
- }
+ if (ic->op == LABEL && IC_LABEL (ic)->key == key)
+ {
+ /* printf("findLabelBackwards = %d\n", count); */
+ return count;
+ }
}
return 0;
/*-----------------------------------------------------------------*/
/* genPlusIncr :- does addition with increment if possible */
/*-----------------------------------------------------------------*/
-static bool genPlusIncr (iCode *ic)
+static bool
+genPlusIncr (iCode * ic)
{
- unsigned int icount ;
+ unsigned int icount;
/* will try to generate an increment */
/* if the right side is not a literal
we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ return FALSE;
- icount = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
/* if the sizes are greater than 2 or they are not the same regs
then we cannot */
- if (!sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RESULT(ic))))
- return FALSE ;
+ if (!sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RESULT (ic))))
+ return FALSE;
/* so we know LEFT & RESULT in the same registers and add
amount <= 63 */
/* for short & char types */
- if (AOP_SIZE(IC_RESULT(ic)) < 2) {
- if (icount == 1) {
- emitcode("inc","%s",aopGet(AOP(IC_LEFT(ic)),0));
+ if (AOP_SIZE (IC_RESULT (ic)) < 2)
+ {
+ if (icount == 1)
+ {
+ emitcode ("inc", "%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ return TRUE;
+ }
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_LEFT (ic)), 0), -icount);
return TRUE;
}
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_LEFT(ic)),0),-icount);
- return TRUE;
- }
- if (AOP_SIZE(IC_RESULT(ic)) <= 3) {
- /* if register pair and starts with 26/30 then adiw */
- if (isRegPair(AOP(IC_RESULT(ic))) && icount > 0 && icount < 64 &&
- ( IS_REGIDX(AOP(IC_RESULT(ic)),R26_IDX) ||
- IS_REGIDX(AOP(IC_RESULT(ic)),R30_IDX) )) {
- emitcode("adiw","%s,%d",aopGet(AOP(IC_RESULT(ic)),0),icount);
+ if (AOP_SIZE (IC_RESULT (ic)) <= 3)
+ {
+ /* if register pair and starts with 26/30 then adiw */
+ if (isRegPair (AOP (IC_RESULT (ic))) && icount > 0 && icount < 64 &&
+ (IS_REGIDX (AOP (IC_RESULT (ic)), R26_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R30_IDX)))
+ {
+ emitcode ("adiw", "%s,%d", aopGet (AOP (IC_RESULT (ic)), 0), icount);
+ return TRUE;
+ }
+
+ /* use subi */
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_RESULT (ic)), 0), -icount);
+ emitcode ("sbci", "%s,hi8(%d)", aopGet (AOP (IC_RESULT (ic)), 1), -icount);
return TRUE;
}
- /* use subi */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),-icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),-icount);
- return TRUE;
- }
-
/* for 32 bit longs */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),-icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),-icount);
- emitcode("sbci","%s,hlo8(%d)",aopGet(AOP(IC_RESULT(ic)),2),-icount);
- emitcode("sbci","%s,hhi8(%d)",aopGet(AOP(IC_RESULT(ic)),3),-icount);
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_RESULT (ic)), 0), -icount);
+ emitcode ("sbci", "%s,hi8(%d)", aopGet (AOP (IC_RESULT (ic)), 1), -icount);
+ emitcode ("sbci", "%s,hlo8(%d)", aopGet (AOP (IC_RESULT (ic)), 2), -icount);
+ emitcode ("sbci", "%s,hhi8(%d)", aopGet (AOP (IC_RESULT (ic)), 3), -icount);
return TRUE;
}
* I'm pretty certain it's right, but not enough to toss the old
* code just yet...
*/
-static void adjustArithmeticResult (iCode *ic)
+static void
+adjustArithmeticResult (iCode * ic)
{
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_LEFT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))))
+ if (opIsGptr (IC_RESULT (ic)) &&
+ opIsGptr (IC_LEFT (ic)) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))))
{
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_LEFT(ic)), GPTRSIZE - 1),
- GPTRSIZE - 1);
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_LEFT (ic)), GPTRSIZE - 1),
+ GPTRSIZE - 1);
}
- if (opIsGptr(IC_RESULT(ic)) &&
- opIsGptr(IC_RIGHT(ic)) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic))))
+ if (opIsGptr (IC_RESULT (ic)) &&
+ opIsGptr (IC_RIGHT (ic)) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
{
- aopPut(AOP(IC_RESULT(ic)),
- aopGet(AOP(IC_RIGHT(ic)),GPTRSIZE - 1),
- GPTRSIZE - 1);
+ aopPut (AOP (IC_RESULT (ic)),
+ aopGet (AOP (IC_RIGHT (ic)), GPTRSIZE - 1),
+ GPTRSIZE - 1);
}
- if (opIsGptr(IC_RESULT(ic)) &&
- AOP_SIZE(IC_LEFT(ic)) < GPTRSIZE &&
- AOP_SIZE(IC_RIGHT(ic)) < GPTRSIZE &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic))) &&
- !sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)))) {
- char buffer[5];
- sprintf(buffer,"%d",pointerCode(getSpec(operandType(IC_LEFT(ic)))));
- aopPut(AOP(IC_RESULT(ic)),buffer,GPTRSIZE - 1);
- }
+ if (opIsGptr (IC_RESULT (ic)) &&
+ AOP_SIZE (IC_LEFT (ic)) < GPTRSIZE &&
+ AOP_SIZE (IC_RIGHT (ic)) < GPTRSIZE &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))) &&
+ !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
+ {
+ char buffer[5];
+ sprintf (buffer, "%d", pointerCode (getSpec (operandType (IC_LEFT (ic)))));
+ aopPut (AOP (IC_RESULT (ic)), buffer, GPTRSIZE - 1);
+ }
}
/*-----------------------------------------------------------------*/
/* genPlus - generates code for addition */
/*-----------------------------------------------------------------*/
-static void genPlus (iCode *ic)
+static void
+genPlus (iCode * ic)
{
int size, offset = 0;
int samer;
/* special cases :- */
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RIGHT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
/* if I can do an increment instead
of add then GOOD for ME */
if (genPlusIncr (ic) == TRUE)
goto release;
- size = getDataSize(IC_RESULT(ic));
- samer = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
-
- while(size--) {
- if (!samer)
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
+ size = getDataSize (IC_RESULT (ic));
+ samer = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT) {
+ while (size--)
+ {
+ if (!samer)
+ aopPut (AOP (IC_RESULT (ic)), aopGet (AOP (IC_LEFT (ic)), offset), offset);
- if(offset == 0) l = "add";
- else l = "adc";
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ {
- emitcode(l,"%s,%s",aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else {
- if (offset == 0) l = "subi";
- else l = "sbci";
+ if (offset == 0)
+ l = "add";
+ else
+ l = "adc";
- emitcode(l,"%s,%s(-%d)",aopGet(AOP(IC_RESULT(ic)),offset),
- larray[offset],
- (int)floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
+ emitcode (l, "%s,%s", aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else
+ {
+ if (offset == 0)
+ l = "subi";
+ else
+ l = "sbci";
+
+ emitcode (l, "%s,%s(-%d)", aopGet (AOP (IC_RESULT (ic)), offset),
+ larray[offset],
+ (int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit));
+ }
+ offset++;
}
- offset++;
- }
- adjustArithmeticResult(ic);
+ adjustArithmeticResult (ic);
- release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+release:
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RIGHT (ic), NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genMinusDec :- does subtraction with deccrement if possible */
/*-----------------------------------------------------------------*/
-static bool genMinusDec (iCode *ic)
+static bool
+genMinusDec (iCode * ic)
{
- unsigned int icount ;
+ unsigned int icount;
/* will try to generate an increment */
/* if the right side is not a literal
we cannot */
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT)
- return FALSE ;
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ return FALSE;
- icount = (unsigned int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit);
+ icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
/* if the sizes are greater than 2 or they are not the same regs
then we cannot */
- if (!sameRegs(AOP(IC_LEFT(ic)),AOP(IC_RIGHT(ic))))
- return FALSE ;
+ if (!sameRegs (AOP (IC_LEFT (ic)), AOP (IC_RIGHT (ic))))
+ return FALSE;
/* so we know LEFT & RESULT in the same registers and add
amount <= 63 */
/* for short & char types */
- if (AOP_SIZE(IC_RESULT(ic)) < 2) {
- if (icount == 1) {
- emitcode("dec","%s",aopGet(AOP(IC_LEFT(ic)),0));
+ if (AOP_SIZE (IC_RESULT (ic)) < 2)
+ {
+ if (icount == 1)
+ {
+ emitcode ("dec", "%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ return TRUE;
+ }
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_LEFT (ic)), 0), icount);
return TRUE;
}
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_LEFT(ic)),0),icount);
- return TRUE;
- }
- if (AOP_SIZE(IC_RESULT(ic)) <= 3) {
- /* if register pair and starts with 26/30 then adiw */
- if (isRegPair(AOP(IC_RESULT(ic))) && icount > 0 && icount < 64 &&
- ( IS_REGIDX(AOP(IC_RESULT(ic)),R26_IDX) ||
- IS_REGIDX(AOP(IC_RESULT(ic)),R30_IDX) )) {
- emitcode("sbiw","%s,%d",aopGet(AOP(IC_RESULT(ic)),0),icount);
+ if (AOP_SIZE (IC_RESULT (ic)) <= 3)
+ {
+ /* if register pair and starts with 26/30 then adiw */
+ if (isRegPair (AOP (IC_RESULT (ic))) && icount > 0 && icount < 64 &&
+ (IS_REGIDX (AOP (IC_RESULT (ic)), R26_IDX) ||
+ IS_REGIDX (AOP (IC_RESULT (ic)), R30_IDX)))
+ {
+ emitcode ("sbiw", "%s,%d", aopGet (AOP (IC_RESULT (ic)), 0), icount);
+ return TRUE;
+ }
+
+ /* use subi */
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_RESULT (ic)), 0), icount);
+ emitcode ("sbci", "%s,hi8(%d)", aopGet (AOP (IC_RESULT (ic)), 1), icount);
return TRUE;
}
-
- /* use subi */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),icount);
- return TRUE;
- }
/* for 32 bit longs */
- emitcode("subi","%s,lo8(%d)",aopGet(AOP(IC_RESULT(ic)),0),icount);
- emitcode("sbci","%s,hi8(%d)",aopGet(AOP(IC_RESULT(ic)),1),icount);
- emitcode("sbci","%s,hlo8(%d)",aopGet(AOP(IC_RESULT(ic)),2),icount);
- emitcode("sbci","%s,hhi8(%d)",aopGet(AOP(IC_RESULT(ic)),3),icount);
+ emitcode ("subi", "%s,lo8(%d)", aopGet (AOP (IC_RESULT (ic)), 0), icount);
+ emitcode ("sbci", "%s,hi8(%d)", aopGet (AOP (IC_RESULT (ic)), 1), icount);
+ emitcode ("sbci", "%s,hlo8(%d)", aopGet (AOP (IC_RESULT (ic)), 2), icount);
+ emitcode ("sbci", "%s,hhi8(%d)", aopGet (AOP (IC_RESULT (ic)), 3), icount);
return TRUE;
}
/*-----------------------------------------------------------------*/
/* addSign - complete with sign */
/*-----------------------------------------------------------------*/
-static void addSign(operand *result, int offset, int sign)
+static void
+addSign (operand * result, int offset, int sign)
{
- int size = (getDataSize(result) - offset);
- if(size > 0){
- if(sign){
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- while(size--)
- aopPut(AOP(result),"a",offset++);
- } else
- while(size--)
- aopPut(AOP(result),zero,offset++);
- }
+ int size = (getDataSize (result) - offset);
+ if (size > 0)
+ {
+ if (sign)
+ {
+ emitcode ("rlc", "a");
+ emitcode ("subb", "a,acc");
+ while (size--)
+ aopPut (AOP (result), "a", offset++);
+ }
+ else
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ }
}
/*-----------------------------------------------------------------*/
/* genMinus - generates code for subtraction */
/*-----------------------------------------------------------------*/
-static void genMinus (iCode *ic)
+static void
+genMinus (iCode * ic)
{
int size, offset = 0, samer;
char *l;
- aopOp (IC_LEFT(ic),ic,FALSE);
- aopOp (IC_RIGHT(ic),ic,FALSE);
- aopOp (IC_RESULT(ic),ic,TRUE);
+ aopOp (IC_LEFT (ic), ic, FALSE);
+ aopOp (IC_RIGHT (ic), ic, FALSE);
+ aopOp (IC_RESULT (ic), ic, TRUE);
/* if I can do an decrement instead
of subtract then GOOD for ME */
if (genMinusDec (ic) == TRUE)
goto release;
- size = getDataSize(IC_RESULT(ic));
- samer = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
- while (size--) {
- if (!samer)
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
-
- if (AOP_TYPE(IC_RIGHT(ic)) != AOP_LIT) {
+ size = getDataSize (IC_RESULT (ic));
+ samer = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
+ while (size--)
+ {
+ if (!samer)
+ aopPut (AOP (IC_RESULT (ic)), aopGet (AOP (IC_LEFT (ic)), offset), offset);
- if(offset == 0) l = "sub";
- else l = "sbc";
+ if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
+ {
- emitcode(l,"%s,%s",aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else {
- if (offset == 0) l = "subi";
- else l = "sbci";
+ if (offset == 0)
+ l = "sub";
+ else
+ l = "sbc";
- emitcode(l,"%s,%s(%d)",aopGet(AOP(IC_RESULT(ic)),offset),
- larray[offset],
- (int)floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
+ emitcode (l, "%s,%s", aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else
+ {
+ if (offset == 0)
+ l = "subi";
+ else
+ l = "sbci";
+
+ emitcode (l, "%s,%s(%d)", aopGet (AOP (IC_RESULT (ic)), offset),
+ larray[offset],
+ (int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit));
+ }
+ offset++;
}
- offset++;
- }
- adjustArithmeticResult(ic);
+ adjustArithmeticResult (ic);
- release:
- freeAsmop(IC_LEFT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RIGHT(ic),NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+release:
+ freeAsmop (IC_LEFT (ic), NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RIGHT (ic), NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genMultOneByte : 8 bit multiplication & division */
/*-----------------------------------------------------------------*/
-static void genMultOneByte (operand *left,
- operand *right,
- operand *result)
+static void
+genMultOneByte (operand * left,
+ operand * right,
+ operand * result)
{
- sym_link *opetype = operandType(result);
- symbol *lbl ;
- int size,offset;
+ sym_link *opetype = operandType (result);
+ symbol *lbl;
+ int size, offset;
/* (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;
- }
+ if (AOP_TYPE (left) == AOP_LIT)
+ {
+ operand *t = right;
+ right = left;
+ left = t;
+ }
- size = AOP_SIZE(result);
+ size = AOP_SIZE (result);
- if (SPEC_USIGN(opetype)) {
- emitcode("mul","%s,%s", aopGet(AOP(left),0),aopGet(AOP(right),0));
- } else {
- emitcode("muls","%s,%s", aopGet(AOP(left),0),
- aopGet(AOP(right),0));
- }
- aopPut(AOP(result),"r0",0);
- if (size > 1){
- aopPut(AOP(result),"r1",1);
- offset = 2;
- size -= 2;
- if (SPEC_USIGN(opetype)) {
- while(size--) {
- aopPut(AOP(result),zero,offset++);
- }
- } else {
- if (size) {
- lbl = newiTempLabel(NULL);
- emitcode("ldi","r24,0");
- emitcode("brcc","L%05d",lbl->key);
- emitcode("ldi","r24,lo8(-1)");
- emitcode("","L%05d:",lbl->key);
- while (size--) aopPut(AOP(result),"r24",offset++);
- }
+ if (SPEC_USIGN (opetype))
+ {
+ emitcode ("mul", "%s,%s", aopGet (AOP (left), 0), aopGet (AOP (right), 0));
+ }
+ else
+ {
+ emitcode ("muls", "%s,%s", aopGet (AOP (left), 0),
+ aopGet (AOP (right), 0));
+ }
+ aopPut (AOP (result), "r0", 0);
+ if (size > 1)
+ {
+ aopPut (AOP (result), "r1", 1);
+ offset = 2;
+ size -= 2;
+ if (SPEC_USIGN (opetype))
+ {
+ while (size--)
+ {
+ aopPut (AOP (result), zero, offset++);
+ }
+ }
+ else
+ {
+ if (size)
+ {
+ lbl = newiTempLabel (NULL);
+ emitcode ("ldi", "r24,0");
+ emitcode ("brcc", "L%05d", lbl->key);
+ emitcode ("ldi", "r24,lo8(-1)");
+ emitcode ("", "L%05d:", lbl->key);
+ while (size--)
+ aopPut (AOP (result), "r24", offset++);
+ }
+ }
}
- }
return;
}
/*-----------------------------------------------------------------*/
/* genMult - generates code for multiplication */
/*-----------------------------------------------------------------*/
-static void genMult (iCode *ic)
+static void
+genMult (iCode * ic)
{
- operand *left = IC_LEFT(ic);
- operand *right = IC_RIGHT(ic);
- operand *result= IC_RESULT(ic);
+ operand *left = IC_LEFT (ic);
+ operand *right = IC_RIGHT (ic);
+ operand *result = IC_RESULT (ic);
/* assign the amsops */
- aopOp (left,ic,FALSE);
- aopOp (right,ic,FALSE);
- aopOp (result,ic,TRUE);
+ aopOp (left, ic, FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, TRUE);
/* if both are of size == 1 */
- if (AOP_SIZE(left) == 1 &&
- AOP_SIZE(right) == 1 ) {
- genMultOneByte(left,right,result);
- goto release ;
- }
+ if (AOP_SIZE (left) == 1 &&
+ AOP_SIZE (right) == 1)
+ {
+ genMultOneByte (left, right, result);
+ goto release;
+ }
/* should have been converted to function call */
- assert(1) ;
+ assert (1);
- release :
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+release:
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genDiv - generates code for division */
/*-----------------------------------------------------------------*/
-static void genDiv (iCode *ic)
+static void
+genDiv (iCode * ic)
{
/* should have been converted to function call */
- assert(1);
+ assert (1);
}
/*-----------------------------------------------------------------*/
/* genMod - generates code for division */
/*-----------------------------------------------------------------*/
-static void genMod (iCode *ic)
+static void
+genMod (iCode * ic)
{
/* should have been converted to function call */
- assert(1);
+ assert (1);
}
-enum {
+enum
+{
AVR_EQ = 0,
AVR_NE,
AVR_LT,
/*-----------------------------------------------------------------*/
/* revavrcnd - reverse a conditional for avr */
/*-----------------------------------------------------------------*/
-static int revavrcnd(int type)
+static int
+revavrcnd (int type)
{
- static struct {
- int type, rtype;
- } rar[] = { { AVR_EQ, AVR_NE}, {AVR_LT, AVR_GE}};
+ static struct
+ {
+ int type, rtype;
+ }
+ rar[] =
+ {
+ {
+ AVR_EQ, AVR_NE
+ }
+ ,
+ {
+ AVR_LT, AVR_GE
+ }
+ };
int i;
- for (i = 0 ; i < (sizeof(rar)/sizeof(rar[0]));i++) {
- if (rar[i].type == type) return rar[i].rtype;
- if (rar[i].rtype== type) return rar[i].type;
- }
- assert(1); /* cannot happen */
- return 0; /* makes the compiler happy */
+ for (i = 0; i < (sizeof (rar) / sizeof (rar[0])); i++)
+ {
+ if (rar[i].type == type)
+ return rar[i].rtype;
+ if (rar[i].rtype == type)
+ return rar[i].type;
+ }
+ assert (1); /* cannot happen */
+ return 0; /* makes the compiler happy */
}
-static char *br_name[4] = {"breq","brne","brlt","brge"};
-static char *br_uname[4]= {"breq","brne","brlo","brcc"};
+static char *br_name[4] =
+{"breq", "brne", "brlt", "brge"};
+static char *br_uname[4] =
+{"breq", "brne", "brlo", "brcc"};
/*-----------------------------------------------------------------*/
/* genBranch - generate the branch instruction */
/*-----------------------------------------------------------------*/
-static void genBranch (iCode *ifx, int br_type, int sign)
+static void
+genBranch (iCode * ifx, int br_type, int sign)
{
- int tj = (IC_TRUE(ifx) ? 1 : 0) ;
-
- if (tj) { /* if true jump */
- char *nm = (sign ? br_name[br_type] : br_uname[br_type]);
- emitcode(nm,"L%05d",IC_TRUE(ifx)->key);
- } else { /* if false jump */
- int rtype = revavrcnd(br_type);
- char *nm = (sign ? br_name[rtype] : br_uname[rtype]);
- emitcode(nm,"L%05d",IC_FALSE(ifx)->key);
- }
+ int tj = (IC_TRUE (ifx) ? 1 : 0);
+
+ if (tj)
+ { /* if true jump */
+ char *nm = (sign ? br_name[br_type] : br_uname[br_type]);
+ emitcode (nm, "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ { /* if false jump */
+ int rtype = revavrcnd (br_type);
+ char *nm = (sign ? br_name[rtype] : br_uname[rtype]);
+ emitcode (nm, "L%05d", IC_FALSE (ifx)->key);
+ }
ifx->generated = 1;
}
/*-----------------------------------------------------------------*/
/* genCmp - compare & jump */
/*-----------------------------------------------------------------*/
-static void genCmp (iCode *ic, iCode *ifx, int br_type)
+static void
+genCmp (iCode * ic, iCode * ifx, int br_type)
{
operand *left, *right, *result;
- sym_link *letype , *retype;
+ sym_link *letype, *retype;
symbol *lbl;
- int sign, size, offset =0;
+ int sign, size, offset = 0;
- left = IC_LEFT(ic);
- right= IC_RIGHT(ic);
- result = IC_RESULT(ic);
+ 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));
+ 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);
- size = AOP_SIZE(left);
-
- if (ifx) {
- if (size == 1) {
- if (AOP_TYPE(right) == AOP_LIT) {
- emitcode("cpi","%s,lo8(%d)",aopGet(AOP(left),0),
- (int) floatFromVal (AOP(IC_RIGHT(ic))->aopu.aop_lit));
- genBranch(ifx,br_type,sign);
- } else { /* right != literal */
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
- genBranch(ifx,br_type,sign);
- }
- } else { /* size != 1 */
- while (size--) {
- if (offset == 0)
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
- else
- emitcode("cpc","%s,%s",aopGet(AOP(left),offset),aopGet(AOP(right),offset));
- offset++;
- }
- genBranch(ifx,br_type,sign);
+ aopOp (left, ic, FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, TRUE);
+ size = AOP_SIZE (left);
+
+ if (ifx)
+ {
+ if (size == 1)
+ {
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ emitcode ("cpi", "%s,lo8(%d)", aopGet (AOP (left), 0),
+ (int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit));
+ genBranch (ifx, br_type, sign);
+ }
+ else
+ { /* right != literal */
+ emitcode ("cp", "%s,%s", aopGet (AOP (left), 0), aopGet (AOP (right), 0));
+ genBranch (ifx, br_type, sign);
+ }
+ }
+ else
+ { /* size != 1 */
+ while (size--)
+ {
+ if (offset == 0)
+ emitcode ("cp", "%s,%s", aopGet (AOP (left), 0), aopGet (AOP (right), 0));
+ else
+ emitcode ("cpc", "%s,%s", aopGet (AOP (left), offset), aopGet (AOP (right), offset));
+ offset++;
+ }
+ genBranch (ifx, br_type, sign);
+ }
}
- } else { /* no ifx */
- emitcode("clr","r0");
- while (size--) {
- if (offset == 0)
- emitcode("cp","%s,%s",aopGet(AOP(left),0),aopGet(AOP(right),0));
+ else
+ { /* no ifx */
+ emitcode ("clr", "r0");
+ while (size--)
+ {
+ if (offset == 0)
+ emitcode ("cp", "%s,%s", aopGet (AOP (left), 0), aopGet (AOP (right), 0));
+ else
+ emitcode ("cpc", "%s,%s", aopGet (AOP (left), offset), aopGet (AOP (right), offset));
+ offset++;
+ }
+ lbl = newiTempLabel (NULL);
+ br_type = revavrcnd (br_type);
+ if (sign)
+ emitcode (br_uname[br_type], "L%05d", lbl->key);
else
- emitcode("cpc","%s,%s",aopGet(AOP(left),offset),aopGet(AOP(right),offset));
- offset++;
+ emitcode (br_name[br_type], "L%05d", lbl->key);
+ emitcode ("inc", "r0");
+ emitcode ("", "L%05d:", lbl->key);
+ aopPut (AOP (result), "r0", 0);
+ size = AOP_SIZE (result) - 1;
+ offset = 1;
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
}
- lbl = newiTempLabel(NULL);
- br_type = revavrcnd(br_type);
- if (sign) emitcode(br_uname[br_type],"L%05d",lbl->key);
- else emitcode(br_name[br_type],"L%05d",lbl->key);
- emitcode("inc","r0");
- emitcode("","L%05d:",lbl->key);
- aopPut(AOP(result),"r0",0);
- size = AOP_SIZE(result) - 1;
- offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
- }
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genCmpGt :- greater than comparison */
/*-----------------------------------------------------------------*/
-static void genCmpGt (iCode *ic, iCode *ifx)
+static void
+genCmpGt (iCode * ic, iCode * ifx)
{
/* should have transformed by the parser */
- assert(1);
+ assert (1);
}
/*-----------------------------------------------------------------*/
/* genCmpLt - less than comparisons */
/*-----------------------------------------------------------------*/
-static void genCmpLt (iCode *ic, iCode *ifx)
+static void
+genCmpLt (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_LT);
+ genCmp (ic, ifx, AVR_LT);
}
/*-----------------------------------------------------------------*/
/* genCmpEq - generates code for equal to */
/*-----------------------------------------------------------------*/
-static void genCmpEq (iCode *ic, iCode *ifx)
+static void
+genCmpEq (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_EQ);
+ genCmp (ic, ifx, AVR_EQ);
}
/*-----------------------------------------------------------------*/
/* genCmpNe - generates code for not equal to */
/*-----------------------------------------------------------------*/
-static void genCmpNe (iCode *ic, iCode *ifx)
+static void
+genCmpNe (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_NE);
+ genCmp (ic, ifx, AVR_NE);
}
/*-----------------------------------------------------------------*/
/* genCmpGe - generates code for greater than equal to */
/*-----------------------------------------------------------------*/
-static void genCmpGe (iCode *ic, iCode *ifx)
+static void
+genCmpGe (iCode * ic, iCode * ifx)
{
- genCmp(ic,ifx,AVR_GE);
+ genCmp (ic, ifx, AVR_GE);
}
/*-----------------------------------------------------------------*/
/* genCmpLe - generates code for less than equal to */
/*-----------------------------------------------------------------*/
-static void genCmpLe (iCode *ic, iCode *ifx)
+static void
+genCmpLe (iCode * ic, iCode * ifx)
{
- operand *left = IC_LEFT(ic);
- operand *right= IC_RIGHT(ic);
+ operand *left = IC_LEFT (ic);
+ operand *right = IC_RIGHT (ic);
- IC_RIGHT(ic) = left;
- IC_LEFT(ic) = right;
- genCmp(ic,ifx,AVR_GE);
+ IC_RIGHT (ic) = left;
+ IC_LEFT (ic) = right;
+ genCmp (ic, ifx, AVR_GE);
}
/*-----------------------------------------------------------------*/
/* ifxForOp - returns the icode containing the ifx for operand */
/*-----------------------------------------------------------------*/
-static iCode *ifxForOp ( operand *op, iCode *ic )
+static iCode *
+ifxForOp (operand * op, iCode * ic)
{
/* if true symbol then needs to be assigned */
- if (IS_TRUE_SYMOP(op))
- return NULL ;
+ if (IS_TRUE_SYMOP (op))
+ return NULL;
- /* if this has register type condition and
- the next instruction is ifx with the same operand
- and live to of the operand is upto the ifx only then */
+ /* if this has register type condition and
+ the next instruction is ifx with the same operand
+ and live to of the operand is upto the ifx only then */
if (ic->next &&
ic->next->op == IFX &&
- IC_COND(ic->next)->key == op->key &&
- OP_SYMBOL(op)->liveTo <= ic->next->seq )
+ IC_COND (ic->next)->key == op->key &&
+ OP_SYMBOL (op)->liveTo <= ic->next->seq)
return ic->next;
return NULL;
/*-----------------------------------------------------------------*/
/* genAndOp - for && operation */
/*-----------------------------------------------------------------*/
-static void genAndOp (iCode *ic)
+static void
+genAndOp (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
symbol *tlbl;
- int size , offset;
+ int size, offset;
/* note here that && operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
- aopOp((left=IC_LEFT(ic)),ic,FALSE);
- aopOp((right=IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,FALSE);
-
- tlbl = newiTempLabel(NULL);
- toBoolean(left,"r0",TRUE);
- toBoolean(right,"r1",TRUE);
- emitcode("and","r0,r1");
- emitcode("ldi","r24,1");
- emitcode("breq","L%05d",tlbl->key);
- emitcode("dec","r24");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(result),"r24",0);
- size = AOP_SIZE(result) -1;
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, FALSE);
+
+ tlbl = newiTempLabel (NULL);
+ toBoolean (left, "r0", TRUE);
+ toBoolean (right, "r1", TRUE);
+ emitcode ("and", "r0,r1");
+ emitcode ("ldi", "r24,1");
+ emitcode ("breq", "L%05d", tlbl->key);
+ emitcode ("dec", "r24");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (result), "r24", 0);
+ size = AOP_SIZE (result) - 1;
offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genOrOp - for || operation */
/*-----------------------------------------------------------------*/
-static void genOrOp (iCode *ic)
+static void
+genOrOp (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
symbol *tlbl;
- int size , offset;
+ int size, offset;
/* note here that || operations that are in an
if statement are taken away by backPatchLabels
only those used in arthmetic operations remain */
- aopOp((left=IC_LEFT(ic)),ic,FALSE);
- aopOp((right=IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,FALSE);
-
- tlbl = newiTempLabel(NULL);
- toBoolean(left,"r0",TRUE);
- toBoolean(right,"r0",FALSE);
- emitcode("ldi","r24,1");
- emitcode("breq","L%05d",tlbl->key);
- emitcode("dec","r24");
- emitcode("","L%05d:",tlbl->key);
- aopPut(AOP(result),"r24",0);
- size = AOP_SIZE(result) -1;
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, FALSE);
+
+ tlbl = newiTempLabel (NULL);
+ toBoolean (left, "r0", TRUE);
+ toBoolean (right, "r0", FALSE);
+ emitcode ("ldi", "r24,1");
+ emitcode ("breq", "L%05d", tlbl->key);
+ emitcode ("dec", "r24");
+ emitcode ("", "L%05d:", tlbl->key);
+ aopPut (AOP (result), "r24", 0);
+ size = AOP_SIZE (result) - 1;
offset = 1;
- while (size--) aopPut(AOP(result),zero,offset++);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* isLiteralBit - test if lit == 2^n */
/*-----------------------------------------------------------------*/
-static int isLiteralBit(unsigned long lit)
+static int
+isLiteralBit (unsigned long lit)
{
- unsigned long pw[32] = {1L,2L,4L,8L,16L,32L,64L,128L,
- 0x100L,0x200L,0x400L,0x800L,
- 0x1000L,0x2000L,0x4000L,0x8000L,
- 0x10000L,0x20000L,0x40000L,0x80000L,
- 0x100000L,0x200000L,0x400000L,0x800000L,
- 0x1000000L,0x2000000L,0x4000000L,0x8000000L,
- 0x10000000L,0x20000000L,0x40000000L,0x80000000L};
+ unsigned long pw[32] =
+ {1L, 2L, 4L, 8L, 16L, 32L, 64L, 128L,
+ 0x100L, 0x200L, 0x400L, 0x800L,
+ 0x1000L, 0x2000L, 0x4000L, 0x8000L,
+ 0x10000L, 0x20000L, 0x40000L, 0x80000L,
+ 0x100000L, 0x200000L, 0x400000L, 0x800000L,
+ 0x1000000L, 0x2000000L, 0x4000000L, 0x8000000L,
+ 0x10000000L, 0x20000000L, 0x40000000L, 0x80000000L};
int idx;
- for(idx = 0; idx < 32; idx++)
- if(lit == pw[idx])
- return idx+1;
+ for (idx = 0; idx < 32; idx++)
+ if (lit == pw[idx])
+ return idx + 1;
return 0;
}
-enum { AVR_AND = 0, AVR_OR, AVR_XOR };
-static char *bopnames_lit[] = {"andi","ori"};
-static char *bopnames[] = {"and","or","eor"};
+enum
+{
+ AVR_AND = 0, AVR_OR, AVR_XOR
+};
+static char *bopnames_lit[] =
+{"andi", "ori"};
+static char *bopnames[] =
+{"and", "or", "eor"};
/*-----------------------------------------------------------------*/
/* genBitWise - generate bitwise operations */
/*-----------------------------------------------------------------*/
-static void genBitWise(iCode *ic, iCode *ifx, int bitop)
+static void
+genBitWise (iCode * ic, iCode * ifx, int bitop)
{
operand *left, *right, *result;
- int size, offset=0;
+ int size, offset = 0;
char *l;
symbol *lbl, *lbl1;
- int samerl, samerr ;
+ int samerl, samerr;
- aopOp((left = IC_LEFT(ic)),ic,FALSE);
- aopOp((right= IC_RIGHT(ic)),ic,FALSE);
- aopOp((result=IC_RESULT(ic)),ic,TRUE);
+ aopOp ((left = IC_LEFT (ic)), ic, FALSE);
+ aopOp ((right = IC_RIGHT (ic)), ic, FALSE);
+ aopOp ((result = IC_RESULT (ic)), ic, TRUE);
- size = AOP_SIZE(left);
+ size = AOP_SIZE (left);
offset = 0;
- if (ifx) { /* used only for jumps */
- if (AOP_TYPE(right) == AOP_LIT &&
- (bitop == AVR_AND || bitop == AVR_OR)) {
- int lit = (int) floatFromVal (AOP(right)->aopu.aop_lit);
- int p2 = powof2(lit);
- if (bitop == AVR_AND && p2) { /* right side is a power of 2 */
- l = aopGet(AOP(left),p2 / 8);
- if (IC_TRUE(ifx)) {
- emitcode("sbrc","%s,%d",l,(p2 % 8));
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("sbrs","%s,%d",l,(p2 % 8));
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- }
- } else { /* right not power of two */
- int eh = OP_SYMBOL(left)->liveTo <= ic->seq;
- if (size == 1) {
- if (eh) {
- emitcode(bopnames_lit[bitop],"%s,lo8(%d)",
- aopGet(AOP(IC_LEFT(ic)),0), lit);
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),0));
- emitcode(bopnames_lit[bitop],"r0,lo8(%d)",lit);
- }
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- }
- emitcode("","L%05d:",lbl->key);
- } else if (size == 2) {
- emitcode("mov","r24,%s",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r25,%s",aopGet(AOP(IC_LEFT(ic)),1));
- emitcode(bopnames_lit[bitop],"r24,lo8(%d)",lit);
- emitcode(bopnames_lit[bitop],"r25,hi8(%d)",lit);
- emitcode("sbiw","r24,0");
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- }
- emitcode("","L%05d:",lbl->key);
- } else {
- lbl = newiTempLabel(NULL);
- lbl1 = newiTempLabel(NULL);
- while (size--) {
- if (eh) {
- emitcode(bopnames_lit[bitop],"%s,lo8(%d)",
- aopGet(AOP(IC_LEFT(ic)),offset), lit);
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),offset));
- emitcode("andi","r0,lo8(%d)",lit);
- }
- emitcode("brne","L%05d",lbl->key);
- offset++;
- }
- /* all are zero */
- if (IC_FALSE(ifx)) emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- else emitcode("rjmp","L%05d",lbl1->key);
- emitcode("","L%05d:",lbl->key);
- /* not zero */
- if (IC_TRUE(ifx)) emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- emitcode("","L%05d:",lbl1->key);
-
- }
- }
- } else { /* right is not a literal */
- int eh = OP_SYMBOL(left)->liveTo <= ic->seq;
- int reh = OP_SYMBOL(right)->liveTo <= ic->seq;
- if (size == 1) {
- if (eh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_LEFT(ic)),0),
- aopGet(AOP(IC_RIGHT(ic)),0));
- } else if (reh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_RIGHT(ic)),0),
- aopGet(AOP(IC_LEFT(ic)),0));
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),0));
- emitcode(bopnames[bitop],"r0,%s",aopGet(AOP(IC_RIGHT(ic)),0));
- }
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- }
- emitcode("","L%05d:",lbl->key);
- } else if (size == 2) {
- emitcode("mov","r24,%s",aopGet(AOP(IC_LEFT(ic)),0));
- emitcode("mov","r25,%s",aopGet(AOP(IC_LEFT(ic)),1));
- emitcode(bopnames[bitop],"r24,%s",aopGet(AOP(IC_RIGHT(ic)),0));
- emitcode(bopnames[bitop],"r25,%s",aopGet(AOP(IC_RIGHT(ic)),1));
- emitcode("sbiw","r24,0");
- lbl = newiTempLabel(NULL);
- if (IC_TRUE(ifx)) {
- emitcode("breq","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- } else {
- emitcode("brne","L%05d",lbl->key);
- emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- }
- emitcode("","L%05d:",lbl->key);
- } else {
- lbl = newiTempLabel(NULL);
- lbl1 = newiTempLabel(NULL);
- while (size--) {
- if (eh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_LEFT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- } else if (reh) {
- emitcode(bopnames[bitop],"%s,%s",
- aopGet(AOP(IC_RIGHT(ic)),offset),
- aopGet(AOP(IC_LEFT(ic)),offset));
- } else {
- MOVR0(aopGet(AOP(IC_LEFT(ic)),offset));
- emitcode(bopnames[bitop],"r0,%s",aopGet(AOP(IC_RIGHT(ic)),offset));
- }
- emitcode("brne","L%05d",lbl->key);
- offset++;
- }
- /* all are zero */
- if (IC_FALSE(ifx)) emitcode("rjmp","L%05d",IC_FALSE(ifx)->key);
- else emitcode("rjmp","L%05d",lbl1->key);
- emitcode("","L%05d:",lbl->key);
- /* not zero */
- if (IC_TRUE(ifx)) emitcode("rjmp","L%05d",IC_TRUE(ifx)->key);
- emitcode("","L%05d:",lbl1->key);
-
- }
+ if (ifx)
+ { /* used only for jumps */
+ if (AOP_TYPE (right) == AOP_LIT &&
+ (bitop == AVR_AND || bitop == AVR_OR))
+ {
+ int lit = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+ int p2 = powof2 (lit);
+ if (bitop == AVR_AND && p2)
+ { /* right side is a power of 2 */
+ l = aopGet (AOP (left), p2 / 8);
+ if (IC_TRUE (ifx))
+ {
+ emitcode ("sbrc", "%s,%d", l, (p2 % 8));
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ {
+ emitcode ("sbrs", "%s,%d", l, (p2 % 8));
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ }
+ else
+ { /* right not power of two */
+ int eh = OP_SYMBOL (left)->liveTo <= ic->seq;
+ if (size == 1)
+ {
+ if (eh)
+ {
+ emitcode (bopnames_lit[bitop], "%s,lo8(%d)",
+ aopGet (AOP (IC_LEFT (ic)), 0), lit);
+ }
+ else
+ {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode (bopnames_lit[bitop], "r0,lo8(%d)", lit);
+ }
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx))
+ {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else if (size == 2)
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (IC_LEFT (ic)), 1));
+ emitcode (bopnames_lit[bitop], "r24,lo8(%d)", lit);
+ emitcode (bopnames_lit[bitop], "r25,hi8(%d)", lit);
+ emitcode ("sbiw", "r24,0");
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx))
+ {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else
+ {
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
+ while (size--)
+ {
+ if (eh)
+ {
+ emitcode (bopnames_lit[bitop], "%s,lo8(%d)",
+ aopGet (AOP (IC_LEFT (ic)), offset), lit);
+ }
+ else
+ {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), offset));
+ emitcode ("andi", "r0,lo8(%d)", lit);
+ }
+ emitcode ("brne", "L%05d", lbl->key);
+ offset++;
+ }
+ /* all are zero */
+ if (IC_FALSE (ifx))
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ else
+ emitcode ("rjmp", "L%05d", lbl1->key);
+ emitcode ("", "L%05d:", lbl->key);
+ /* not zero */
+ if (IC_TRUE (ifx))
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ emitcode ("", "L%05d:", lbl1->key);
+
+ }
+ }
+ }
+ else
+ { /* right is not a literal */
+ int eh = OP_SYMBOL (left)->liveTo <= ic->seq;
+ int reh = OP_SYMBOL (right)->liveTo <= ic->seq;
+ if (size == 1)
+ {
+ if (eh)
+ {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_LEFT (ic)), 0),
+ aopGet (AOP (IC_RIGHT (ic)), 0));
+ }
+ else if (reh)
+ {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_RIGHT (ic)), 0),
+ aopGet (AOP (IC_LEFT (ic)), 0));
+ }
+ else
+ {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode (bopnames[bitop], "r0,%s", aopGet (AOP (IC_RIGHT (ic)), 0));
+ }
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx))
+ {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else if (size == 2)
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (IC_LEFT (ic)), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (IC_LEFT (ic)), 1));
+ emitcode (bopnames[bitop], "r24,%s", aopGet (AOP (IC_RIGHT (ic)), 0));
+ emitcode (bopnames[bitop], "r25,%s", aopGet (AOP (IC_RIGHT (ic)), 1));
+ emitcode ("sbiw", "r24,0");
+ lbl = newiTempLabel (NULL);
+ if (IC_TRUE (ifx))
+ {
+ emitcode ("breq", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ }
+ else
+ {
+ emitcode ("brne", "L%05d", lbl->key);
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ }
+ emitcode ("", "L%05d:", lbl->key);
+ }
+ else
+ {
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
+ while (size--)
+ {
+ if (eh)
+ {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_LEFT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ else if (reh)
+ {
+ emitcode (bopnames[bitop], "%s,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset),
+ aopGet (AOP (IC_LEFT (ic)), offset));
+ }
+ else
+ {
+ MOVR0 (aopGet (AOP (IC_LEFT (ic)), offset));
+ emitcode (bopnames[bitop], "r0,%s", aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ emitcode ("brne", "L%05d", lbl->key);
+ offset++;
+ }
+ /* all are zero */
+ if (IC_FALSE (ifx))
+ emitcode ("rjmp", "L%05d", IC_FALSE (ifx)->key);
+ else
+ emitcode ("rjmp", "L%05d", lbl1->key);
+ emitcode ("", "L%05d:", lbl->key);
+ /* not zero */
+ if (IC_TRUE (ifx))
+ emitcode ("rjmp", "L%05d", IC_TRUE (ifx)->key);
+ emitcode ("", "L%05d:", lbl1->key);
+
+ }
+ }
+ goto release;
}
- goto release ;
- }
/* result needs to go a register */
- samerl = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_LEFT(ic)));
- samerr = sameRegs(AOP(IC_RESULT(ic)),AOP(IC_RIGHT(ic)));
- while (size--) {
- if (AOP_TYPE(right) == AOP_LIT) {
- unsigned int lit = (int) floatFromVal (AOP(right)->aopu.aop_lit);
- if (((lit >> (8*offset)) & 0xff) == 0) {
- if (bitop == AVR_AND) {
- aopPut(AOP(result),zero,offset++);
- continue;
- } else if (bitop == AVR_OR) {
- if (!samerl)
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- continue;
- }
- }
+ samerl = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic)));
+ samerr = sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic)));
+ while (size--)
+ {
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ unsigned int lit = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+ if (((lit >> (8 * offset)) & 0xff) == 0)
+ {
+ if (bitop == AVR_AND)
+ {
+ aopPut (AOP (result), zero, offset++);
+ continue;
+ }
+ else if (bitop == AVR_OR)
+ {
+ if (!samerl)
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ continue;
+ }
+ }
+ }
+ if (samerl)
+ {
+ if (AOP_TYPE (IC_RIGHT (ic)) == AOP_LIT && (bitop == AVR_AND || bitop == AVR_OR))
+ {
+ emitcode (bopnames_lit[bitop], "%s,%s(%d)", aopGet (AOP (IC_LEFT (ic)), offset),
+ larray[offset], (int) floatFromVal (AOP (right)->aopu.aop_lit));
+ }
+ else
+ {
+ emitcode (bopnames[bitop], "%s,%s", aopGet (AOP (IC_LEFT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ }
+ else if (samerr)
+ {
+ emitcode (bopnames[bitop], "%s,%s", aopGet (AOP (IC_RIGHT (ic)), offset),
+ aopGet (AOP (IC_LEFT (ic)), offset));
+ }
+ else
+ {
+ aopPut (AOP (IC_RESULT (ic)), aopGet (AOP (IC_LEFT (ic)), offset), offset);
+ emitcode (bopnames[bitop], aopGet (AOP (IC_RESULT (ic)), offset),
+ aopGet (AOP (IC_RIGHT (ic)), offset));
+ }
+ offset++;
}
- if (samerl) {
- if (AOP_TYPE(IC_RIGHT(ic)) == AOP_LIT && (bitop == AVR_AND || bitop == AVR_OR)) {
- emitcode(bopnames_lit[bitop],"%s,%s(%d)",aopGet(AOP(IC_LEFT(ic)),offset),
- larray[offset],(int) floatFromVal (AOP(right)->aopu.aop_lit));
- } else {
- emitcode(bopnames[bitop],"%s,%s",aopGet(AOP(IC_LEFT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- }
- } else if (samerr) {
- emitcode(bopnames[bitop],"%s,%s",aopGet(AOP(IC_RIGHT(ic)),offset),
- aopGet(AOP(IC_LEFT(ic)),offset));
- } else {
- aopPut(AOP(IC_RESULT(ic)),aopGet(AOP(IC_LEFT(ic)),offset),offset);
- emitcode(bopnames[bitop],aopGet(AOP(IC_RESULT(ic)),offset),
- aopGet(AOP(IC_RIGHT(ic)),offset));
- }
- offset++;
- }
-release :
- freeAsmop(left,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(right,NULL,ic,(RESULTONSTACK(ic) ? FALSE : TRUE));
- freeAsmop(result,NULL,ic,TRUE);
+release:
+ freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genAnd - code for and */
/*-----------------------------------------------------------------*/
-static void genAnd (iCode *ic, iCode *ifx)
+static void
+genAnd (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_AND);
+ genBitWise (ic, ifx, AVR_AND);
}
/*-----------------------------------------------------------------*/
/* genOr - code for or */
/*-----------------------------------------------------------------*/
-static void genOr (iCode *ic, iCode *ifx)
+static void
+genOr (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_OR);
+ genBitWise (ic, ifx, AVR_OR);
}
/*-----------------------------------------------------------------*/
/* genXor - code for xclusive or */
/*-----------------------------------------------------------------*/
-static void genXor (iCode *ic, iCode *ifx)
+static void
+genXor (iCode * ic, iCode * ifx)
{
- genBitWise(ic,ifx,AVR_XOR);
+ genBitWise (ic, ifx, AVR_XOR);
}
/*-----------------------------------------------------------------*/
/* genInline - write the inline code out */
/*-----------------------------------------------------------------*/
-static void genInline (iCode *ic)
+static void
+genInline (iCode * ic)
{
char buffer[MAX_INLINEASM];
char *bp = buffer;
- char *bp1= buffer;
+ char *bp1 = buffer;
_G.inLine += (!options.asmpeep);
- strcpy(buffer,IC_INLINE(ic));
+ strcpy (buffer, IC_INLINE (ic));
/* emit each line as a code */
- while (*bp) {
- if (*bp == '\n') {
- *bp++ = '\0';
- emitcode(bp1,"");
- bp1 = bp;
- } else {
- if (*bp == ':') {
- bp++;
- *bp = '\0';
- bp++;
- emitcode(bp1,"");
- bp1 = bp;
- } else
- bp++;
+ while (*bp)
+ {
+ if (*bp == '\n')
+ {
+ *bp++ = '\0';
+ emitcode (bp1, "");
+ bp1 = bp;
+ }
+ else
+ {
+ if (*bp == ':')
+ {
+ bp++;
+ *bp = '\0';
+ bp++;
+ emitcode (bp1, "");
+ bp1 = bp;
+ }
+ else
+ bp++;
+ }
}
- }
if (bp1 != bp)
- emitcode(bp1,"");
+ emitcode (bp1, "");
/* emitcode("",buffer); */
_G.inLine -= (!options.asmpeep);
}
/*-----------------------------------------------------------------*/
/* genRotC - rotate right/left with carry , lr = 1 rotate right */
/*-----------------------------------------------------------------*/
-static void genRotC (iCode *ic, int lr)
+static void
+genRotC (iCode * ic, int lr)
{
- operand *left , *result ;
+ operand *left, *result;
int size, offset = 0;
/* rotate right with carry */
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
+ 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);
- if (!sameRegs(AOP(left),AOP(result))) {
- offset = 0;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(left),offset),
- offset);
- offset++;
+ size = AOP_SIZE (result);
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (left), offset),
+ offset);
+ offset++;
+ }
+ size = AOP_SIZE (result);
}
- size = AOP_SIZE(result);
- }
- if (lr) offset = size - 1;
- else offset = 0;
+ if (lr)
+ offset = size - 1;
+ else
+ offset = 0;
CLRC;
- emitcode ("sbrc","%s,%d",aopGet(AOP(result),offset),
- (lr ? 0 : 7));
- emitcode("sec","");
-
- while (size--) {
- emitcode((lr ? "ror" : "rol"),"%s",aopGet(AOP(result),offset));
- if (lr) offset--;
- else offset++;
- }
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ emitcode ("sbrc", "%s,%d", aopGet (AOP (result), offset),
+ (lr ? 0 : 7));
+ emitcode ("sec", "");
+
+ while (size--)
+ {
+ emitcode ((lr ? "ror" : "rol"), "%s", aopGet (AOP (result), offset));
+ if (lr)
+ offset--;
+ else
+ offset++;
+ }
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genRRC - rotate right with carry */
/*-----------------------------------------------------------------*/
-static void genRRC (iCode *ic)
+static void
+genRRC (iCode * ic)
{
- genRotC(ic,1);
+ genRotC (ic, 1);
}
/*-----------------------------------------------------------------*/
/* genRLC - generate code for rotate left with carry */
/*-----------------------------------------------------------------*/
-static void genRLC (iCode *ic)
+static void
+genRLC (iCode * ic)
{
- genRotC(ic,0);
+ genRotC (ic, 0);
}
/*-----------------------------------------------------------------*/
/* genGetHbit - generates code get highest order bit */
/*-----------------------------------------------------------------*/
-static void genGetHbit (iCode *ic)
+static void
+genGetHbit (iCode * ic)
{
operand *left, *result;
- int size, offset ;
-
- left = IC_LEFT(ic);
- result=IC_RESULT(ic);
- aopOp (left,ic,FALSE);
- aopOp (result,ic,FALSE);
-
- size = AOP_SIZE(result);
- if (!sameRegs(AOP(left),AOP(result))) {
- emitcode("clr","%s",aopGet(AOP(result),size -1));
- emitcode("sbrc","%s,7",aopGet(AOP(left),size -1));
- emitcode("subi","%s,lo8(-1)",aopGet(AOP(result),size-1));
- } else {
- emitcode("clr","r0");
- emitcode("sbrc","%s,7",aopGet(AOP(left),size-1));
- emitcode("subi","r0,lo8(-1)");
- aopPut(AOP(result),"r0",0);
- }
+ int size, offset;
+
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+
+ size = AOP_SIZE (result);
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ emitcode ("clr", "%s", aopGet (AOP (result), size - 1));
+ emitcode ("sbrc", "%s,7", aopGet (AOP (left), size - 1));
+ emitcode ("subi", "%s,lo8(-1)", aopGet (AOP (result), size - 1));
+ }
+ else
+ {
+ emitcode ("clr", "r0");
+ emitcode ("sbrc", "%s,7", aopGet (AOP (left), size - 1));
+ emitcode ("subi", "r0,lo8(-1)");
+ aopPut (AOP (result), "r0", 0);
+ }
offset = 1;
- size --;
- while (size--) {
- emitcode("clr",aopGet(AOP(result),offset++));
- }
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ size--;
+ while (size--)
+ {
+ emitcode ("clr", aopGet (AOP (result), offset++));
+ }
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genShiftLeftLit - shift left by a known amount */
/*-----------------------------------------------------------------*/
-static void genShiftLeftLit (iCode *ic)
+static void
+genShiftLeftLit (iCode * ic)
{
- operand *left,*right, *result;
- int size , shCount, offset =0;
- int lByteZ=0;
+ operand *left, *right, *result;
+ int size, shCount, offset = 0;
+ int lByteZ = 0;
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- shCount = (int)floatFromVal (AOP(right)->aopu.aop_lit);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
+ shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
- if (shCount > (size*8 -1)) {
- while (size--) aopPut(AOP(result),zero,offset++);
- goto release;
- }
- switch(size) {
- case 1:
- if (!sameRegs(AOP(left),AOP(result)))
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- if (shCount >= 4) {
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0xf0");
- shCount -= 4;
- }
- if (shCount == 1) {
- emitcode("add","%s,%s",aopGet(AOP(result),0),aopGet(AOP(result),0));
- shCount--;
- }
- while (shCount--)
- emitcode("lsl","%s",aopGet(AOP(result),0));
- break;
- case 2:
- if (shCount >= 12) {
- aopPut(AOP(result),aopGet(AOP(left),0),1);
- aopPut(AOP(result),zero,0);
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),1));
- shCount -= 12;
- lByteZ = 1;
- }
- if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),0),1);
- aopPut(AOP(result),zero,0);
- shCount -= 8;
- lByteZ = 1;
- }
- if (shCount >= 4) {
- shCount -= 4;
- if (!sameRegs(AOP(left),AOP(result))) {
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- aopPut(AOP(result),aopGet(AOP(left),1),1);
- }
- emitcode("mov","r1,%s",aopGet(AOP(result),0));
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),0));
- emitcode("andi","r1,0x0f");
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0xf0",aopGet(AOP(result),1));
- emitcode("or","%s,r1",aopGet(AOP(result),1));
- while(shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
- }
- }
- if (!lByteZ && !sameRegs(AOP(result),AOP(left)) && shCount) {
- offset = 0;
- while(size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- }
- }
- while (shCount--) {
- if (lByteZ) {
- emitcode("lsl","%s",aopGet(AOP(result),1));
- } else {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
- }
+ if (shCount > (size * 8 - 1))
+ {
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ goto release;
}
- break;
- case 3:
- assert("shifting generic pointer ?\n");
- break;
- case 4:
- /* 32 bits we do only byte boundaries */
- if (shCount >= 24) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,0);
- lByteZ = 3;
- shCount -= 24;
- }
- if (shCount >= 16) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),aopGet(AOP(left),1),2);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,0);
- lByteZ = 2;
- shCount -= 16;
- }
- if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),0),3);
- aopPut(AOP(result),aopGet(AOP(left),1),2);
- aopPut(AOP(result),aopGet(AOP(left),2),1);
- aopPut(AOP(result),zero,0);
- shCount -= 8;
- lByteZ = 1;
- }
- if (!lByteZ && !sameRegs(AOP(left),AOP(right))) {
- offset = 0;
- while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- }
- offset = 0;
- size = AOP_SIZE(result);
- }
- if (shCount) {
- switch (lByteZ) {
- case 0:
- while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),0));
- emitcode("rol","%s",aopGet(AOP(result),1));
- emitcode("rol","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
- }
- break;
- case 1:
- while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),1));
- emitcode("rol","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
- }
- break;
- case 2:
- while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),2));
- emitcode("rol","%s",aopGet(AOP(result),3));
- }
- break;
- case 3:
- while (shCount--) {
- emitcode("lsl","%s",aopGet(AOP(result),3));
- }
- break;
- }
+ switch (size)
+ {
+ case 1:
+ if (!sameRegs (AOP (left), AOP (result)))
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
+ if (shCount >= 4)
+ {
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0xf0");
+ shCount -= 4;
+ }
+ if (shCount == 1)
+ {
+ emitcode ("add", "%s,%s", aopGet (AOP (result), 0), aopGet (AOP (result), 0));
+ shCount--;
+ }
+ while (shCount--)
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ break;
+ case 2:
+ if (shCount >= 12)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 1);
+ aopPut (AOP (result), zero, 0);
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 1));
+ shCount -= 12;
+ lByteZ = 1;
+ }
+ if (shCount >= 8)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 1);
+ aopPut (AOP (result), zero, 0);
+ shCount -= 8;
+ lByteZ = 1;
+ }
+ if (shCount >= 4)
+ {
+ shCount -= 4;
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 1);
+ }
+ emitcode ("mov", "r1,%s", aopGet (AOP (result), 0));
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 0));
+ emitcode ("andi", "r1,0x0f");
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ emitcode ("andi", "%s,0xf0", aopGet (AOP (result), 1));
+ emitcode ("or", "%s,r1", aopGet (AOP (result), 1));
+ while (shCount--)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
+ }
+ }
+ if (!lByteZ && !sameRegs (AOP (result), AOP (left)) && shCount)
+ {
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ }
+ while (shCount--)
+ {
+ if (lByteZ)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 1));
+ }
+ else
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
+ }
+ }
+ break;
+ case 3:
+ assert ("shifting generic pointer ?\n");
+ break;
+ case 4:
+ /* 32 bits we do only byte boundaries */
+ if (shCount >= 24)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 0);
+ lByteZ = 3;
+ shCount -= 24;
+ }
+ if (shCount >= 16)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 2);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 0);
+ lByteZ = 2;
+ shCount -= 16;
+ }
+ if (shCount >= 8)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 3);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 2);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 1);
+ aopPut (AOP (result), zero, 0);
+ shCount -= 8;
+ lByteZ = 1;
+ }
+ if (!lByteZ && !sameRegs (AOP (left), AOP (right)))
+ {
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ offset = 0;
+ size = AOP_SIZE (result);
+ }
+ if (shCount)
+ {
+ switch (lByteZ)
+ {
+ case 0:
+ while (shCount--)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ emitcode ("rol", "%s", aopGet (AOP (result), 1));
+ emitcode ("rol", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
+ }
+ break;
+ case 1:
+ while (shCount--)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 1));
+ emitcode ("rol", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
+ }
+ break;
+ case 2:
+ while (shCount--)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 2));
+ emitcode ("rol", "%s", aopGet (AOP (result), 3));
+ }
+ break;
+ case 3:
+ while (shCount--)
+ {
+ emitcode ("lsl", "%s", aopGet (AOP (result), 3));
+ }
+ break;
+ }
+ }
}
- }
- release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+release:
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genLeftShift - generates code for left shifting */
/*-----------------------------------------------------------------*/
-static void genLeftShift (iCode *ic)
+static void
+genLeftShift (iCode * ic)
{
- operand *left,*right, *result;
+ operand *left, *right, *result;
int size, offset;
symbol *tlbl;
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
- aopOp(right,ic,FALSE);
+ aopOp (right, ic, FALSE);
- if (AOP_TYPE(right) == AOP_LIT) {
- genShiftLeftLit(ic);
- return ;
- }
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ genShiftLeftLit (ic);
+ return;
+ }
/* unknown count */
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
offset = 0;
- if (AOP_SIZE(right) > 1) {
- if (isRegPair(AOP(right))) {
- emitcode("movw","r24,%s",aopGet(AOP(right),0));
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- emitcode("mov","r25,%s",aopGet(AOP(right),1));
- }
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- }
- if (!sameRegs(AOP(left),AOP(result))) {
- while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
+ if (AOP_SIZE (right) > 1)
+ {
+ if (isRegPair (AOP (right)))
+ {
+ emitcode ("movw", "r24,%s", aopGet (AOP (right), 0));
+ }
+ else
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (right), 1));
+ }
}
- size = AOP_SIZE(result);
- }
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
+ else
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ }
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ size = AOP_SIZE (result);
+ }
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
offset = 0;
- while (size--) {
- if (offset) emitcode("rol","%s",aopGet(AOP(result),offset));
- else emitcode("lsl","%s",aopGet(AOP(result),0));
- offset++;
- }
- if (AOP_SIZE(right) > 1) emitcode("sbiw","r24,1");
- else emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
+ while (size--)
+ {
+ if (offset)
+ emitcode ("rol", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsl", "%s", aopGet (AOP (result), 0));
+ offset++;
+ }
+ if (AOP_SIZE (right) > 1)
+ emitcode ("sbiw", "r24,1");
+ else
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genShiftRightLit - generate for right shift with known count */
/*-----------------------------------------------------------------*/
-static void genShiftRightLit (iCode *ic)
+static void
+genShiftRightLit (iCode * ic)
{
- operand *left = IC_LEFT(ic)
- ,*right= IC_RIGHT(ic)
- ,*result=IC_RESULT(ic);
- int size , shCount, offset =0;
- int hByteZ=0;
- sym_link *letype = getSpec(operandType(left));
- int sign = !SPEC_USIGN(letype);
-
- right = IC_RIGHT(ic);
- left = IC_LEFT(ic);
- result = IC_RESULT(ic);
-
- aopOp(left,ic,FALSE);
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- shCount = (int)floatFromVal (AOP(right)->aopu.aop_lit);
+ operand *left = IC_LEFT (ic)
+ ,*right = IC_RIGHT (ic)
+ ,*result = IC_RESULT (ic);
+ int size, shCount, offset = 0;
+ int hByteZ = 0;
+ sym_link *letype = getSpec (operandType (left));
+ int sign = !SPEC_USIGN (letype);
+
+ right = IC_RIGHT (ic);
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
+
+ aopOp (left, ic, FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
+ shCount = (int) floatFromVal (AOP (right)->aopu.aop_lit);
/* if signed then give up and use a loop to shift */
- if (sign) {
- symbol *tlbl ;
- if (!sameRegs(AOP(left),AOP(result))) {
- while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- }
- size = size = AOP_SIZE(result);
- offset = 0;
+ if (sign)
+ {
+ symbol *tlbl;
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ size = size = AOP_SIZE (result);
+ offset = 0;
+ }
+ /* be as economical as possible */
+ if (shCount <= 4)
+ {
+ offset = size - 1;
+ while (shCount--)
+ {
+ offset = size - 1;
+ size = AOP_SIZE (result);
+ while (size--)
+ {
+ if (offset == (size - 1))
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsr", "%s", aopGet (AOP (result), offset));
+ offset--;
+ }
+ }
+ }
+ else
+ {
+ emitcode ("ldi", "r24,lo8(%d)", shCount);
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
+ offset = size - 1;
+ while (size--)
+ {
+ if (offset == (size - 1))
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsr", "%s", aopGet (AOP (result), offset));
+ offset--;
+ }
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
+ }
+ goto release;
}
- /* be as economical as possible */
- if (shCount <= 4) {
- offset = size -1;
- while (shCount--) {
- offset = size -1;
- size = AOP_SIZE(result);
- while (size--) {
- if (offset == (size-1))
- emitcode("asr","%s",aopGet(AOP(result),offset));
- else
- emitcode("lsr","%s",aopGet(AOP(result),offset));
- offset--;
- }
- }
- } else {
- emitcode("ldi","r24,lo8(%d)",shCount);
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
- offset = size -1;
- while (size--) {
- if (offset == (size-1)) emitcode("asr","%s",aopGet(AOP(result),offset));
- else emitcode("lsr","%s",aopGet(AOP(result),offset));
- offset--;
- }
- emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
+ if (shCount > (size * 8 - 1))
+ {
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ goto release;
}
- goto release;
- }
- if (shCount > (size*8 -1)) {
- while (size--) aopPut(AOP(result),zero,offset++);
- goto release;
- }
/* for unsigned we can much more efficient */
- switch (size) {
- case 1:
- if (!sameRegs(AOP(left),AOP(result)))
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- if (shCount >= 4) {
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f");
- shCount -= 4;
- }
- while (shCount--)
- emitcode("lsr","%s",aopGet(AOP(result),0));
- break;
- case 2:
- if (shCount >= 12) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),zero,1);
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),0));
- shCount -= 12;
- hByteZ = 1;
- }
- if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),zero,1);
- shCount -= 8;
- hByteZ = 1;
- }
- if (shCount >= 4) {
- shCount -= 4;
- if (!sameRegs(AOP(left),AOP(result))) {
- aopPut(AOP(result),aopGet(AOP(left),0),0);
- aopPut(AOP(result),aopGet(AOP(left),1),1);
- }
- emitcode("mov","r1,%s",aopGet(AOP(result),1));
- emitcode("swap","%s",aopGet(AOP(result),0));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),0));
- emitcode("andi","r1,0xf0");
- emitcode("or","%s,r1",aopGet(AOP(result),0));
- emitcode("swap","%s",aopGet(AOP(result),1));
- emitcode("andi","%s,0x0f",aopGet(AOP(result),1));
- while(shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
- }
+ switch (size)
+ {
+ case 1:
+ if (!sameRegs (AOP (left), AOP (result)))
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
+ if (shCount >= 4)
+ {
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0x0f");
+ shCount -= 4;
+ }
+ while (shCount--)
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
+ break;
+ case 2:
+ if (shCount >= 12)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), zero, 1);
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 0));
+ shCount -= 12;
+ hByteZ = 1;
+ }
+ if (shCount >= 8)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), zero, 1);
+ shCount -= 8;
+ hByteZ = 1;
+ }
+ if (shCount >= 4)
+ {
+ shCount -= 4;
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 0), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 1), 1);
+ }
+ emitcode ("mov", "r1,%s", aopGet (AOP (result), 1));
+ emitcode ("swap", "%s", aopGet (AOP (result), 0));
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 0));
+ emitcode ("andi", "r1,0xf0");
+ emitcode ("or", "%s,r1", aopGet (AOP (result), 0));
+ emitcode ("swap", "%s", aopGet (AOP (result), 1));
+ emitcode ("andi", "%s,0x0f", aopGet (AOP (result), 1));
+ while (shCount--)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+
+ }
+ if (!hByteZ && !sameRegs (AOP (result), AOP (left)) && shCount)
+ {
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ }
+ while (shCount--)
+ {
+ if (hByteZ)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
+ }
+ else
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+ }
+ break;
+ case 3:
+ assert ("shifting generic pointer ?\n");
+ break;
+ case 4:
+ /* 32 bits we do only byte boundaries */
+ if (shCount >= 24)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 3), 0);
+ aopPut (AOP (result), zero, 1);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 3);
+ hByteZ = 3;
+ shCount -= 24;
+ }
+ if (shCount >= 16)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 3), 1);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 0);
+ aopPut (AOP (result), zero, 2);
+ aopPut (AOP (result), zero, 3);
+ hByteZ = 2;
+ shCount -= 16;
+ }
+ if (shCount >= 8)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 1), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 2), 1);
+ aopPut (AOP (result), aopGet (AOP (left), 3), 2);
+ aopPut (AOP (result), zero, 3);
+ shCount -= 8;
+ hByteZ = 1;
+ }
+ if (!hByteZ && !sameRegs (AOP (left), AOP (right)))
+ {
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ offset = 0;
+ size = AOP_SIZE (result);
+ }
+ if (shCount)
+ {
+ switch (hByteZ)
+ {
+ case 0:
+ while (shCount--)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 3));
+ emitcode ("ror", "%s", aopGet (AOP (result), 2));
+ emitcode ("ror", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+ break;
+ case 1:
+ while (shCount--)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 2));
+ emitcode ("ror", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+ break;
+ case 2:
+ while (shCount--)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 1));
+ emitcode ("ror", "%s", aopGet (AOP (result), 0));
+ }
+ break;
+ case 3:
+ while (shCount--)
+ {
+ emitcode ("lsr", "%s", aopGet (AOP (result), 0));
+ }
+ break;
+ }
+ }
}
- if (!hByteZ && !sameRegs(AOP(result),AOP(left)) && shCount) {
- offset = 0;
- while(size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- }
- }
- while (shCount--) {
- if (hByteZ) {
- emitcode("lsr","%s",aopGet(AOP(result),0));
- } else {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
- }
- }
- break;
-
- case 3:
- assert("shifting generic pointer ?\n");
- break;
- case 4:
- /* 32 bits we do only byte boundaries */
- if (shCount >= 24) {
- aopPut(AOP(result),aopGet(AOP(left),3),0);
- aopPut(AOP(result),zero,1);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,3);
- hByteZ = 3;
- shCount -= 24;
- }
- if (shCount >= 16) {
- aopPut(AOP(result),aopGet(AOP(left),3),1);
- aopPut(AOP(result),aopGet(AOP(left),2),0);
- aopPut(AOP(result),zero,2);
- aopPut(AOP(result),zero,3);
- hByteZ = 2;
- shCount -= 16;
- }
- if (shCount >= 8) {
- aopPut(AOP(result),aopGet(AOP(left),1),0);
- aopPut(AOP(result),aopGet(AOP(left),2),1);
- aopPut(AOP(result),aopGet(AOP(left),3),2);
- aopPut(AOP(result),zero,3);
- shCount -= 8;
- hByteZ = 1;
- }
- if (!hByteZ && !sameRegs(AOP(left),AOP(right))) {
- offset = 0;
- while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
- }
- offset = 0;
- size = AOP_SIZE(result);
- }
- if (shCount) {
- switch (hByteZ) {
- case 0:
- while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),3));
- emitcode("ror","%s",aopGet(AOP(result),2));
- emitcode("ror","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
- }
- break;
- case 1:
- while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),2));
- emitcode("ror","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
- }
- break;
- case 2:
- while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),1));
- emitcode("ror","%s",aopGet(AOP(result),0));
- }
- break;
- case 3:
- while (shCount--) {
- emitcode("lsr","%s",aopGet(AOP(result),0));
- }
- break;
- }
- }
- }
- release:
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+release:
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genRightShift - generate code for right shifting */
/*-----------------------------------------------------------------*/
-static void genRightShift (iCode *ic)
+static void
+genRightShift (iCode * ic)
{
operand *right, *left, *result;
- sym_link *letype ;
+ sym_link *letype;
int size, offset;
- int sign = 0, first =1;
+ int sign = 0, first = 1;
symbol *tlbl;
- aopOp(right=IC_RIGHT(ic),ic,FALSE);
- if (AOP_TYPE(right) == AOP_LIT) {
- genShiftRightLit(ic);
- return ;
- }
+ aopOp (right = IC_RIGHT (ic), ic, FALSE);
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ genShiftRightLit (ic);
+ return;
+ }
/* unknown count */
- if (AOP_SIZE(right) > 1) {
- if (isRegPair(AOP(right))) {
- emitcode("movw","r24,%s",aopGet(AOP(right),0));
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- emitcode("mov","r25,%s",aopGet(AOP(right),1));
- }
- } else {
- emitcode("mov","r24,%s",aopGet(AOP(right),0));
- }
- aopOp(left=IC_LEFT(ic),ic,FALSE);
- aopOp(result=IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(result);
- tlbl = newiTempLabel(NULL);
- emitcode("","L%05d:",tlbl->key);
- offset = size -1;
- letype = getSpec(operandType(left));
- sign = !SPEC_USIGN(letype);
- if (!sameRegs(AOP(left),AOP(result))) {
- while (size--) {
- aopPut(AOP(result),aopGet(AOP(left),offset),offset);
- offset++;
+ if (AOP_SIZE (right) > 1)
+ {
+ if (isRegPair (AOP (right)))
+ {
+ emitcode ("movw", "r24,%s", aopGet (AOP (right), 0));
+ }
+ else
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ emitcode ("mov", "r25,%s", aopGet (AOP (right), 1));
+ }
}
- size = AOP_SIZE(result);
- }
- size = AOP_SIZE(result);
- while (size--) {
- if (first) {
- if (sign) emitcode("asr","%s",aopGet(AOP(result),offset));
- else emitcode("lsr","%s",aopGet(AOP(result),offset));
- first = 0;
- }
- else emitcode("ror","%s",aopGet(AOP(result),offset));
- offset--;
- }
- if (AOP_SIZE(right) > 1) emitcode("sbiw","r24,1");
- else emitcode("dec","r24");
- emitcode("brne","L%05d",tlbl->key);
+ else
+ {
+ emitcode ("mov", "r24,%s", aopGet (AOP (right), 0));
+ }
+ aopOp (left = IC_LEFT (ic), ic, FALSE);
+ aopOp (result = IC_RESULT (ic), ic, FALSE);
+ size = AOP_SIZE (result);
+ tlbl = newiTempLabel (NULL);
+ emitcode ("", "L%05d:", tlbl->key);
+ offset = size - 1;
+ letype = getSpec (operandType (left));
+ sign = !SPEC_USIGN (letype);
+ if (!sameRegs (AOP (left), AOP (result)))
+ {
+ while (size--)
+ {
+ aopPut (AOP (result), aopGet (AOP (left), offset), offset);
+ offset++;
+ }
+ size = AOP_SIZE (result);
+ }
+ size = AOP_SIZE (result);
+ while (size--)
+ {
+ if (first)
+ {
+ if (sign)
+ emitcode ("asr", "%s", aopGet (AOP (result), offset));
+ else
+ emitcode ("lsr", "%s", aopGet (AOP (result), offset));
+ first = 0;
+ }
+ else
+ emitcode ("ror", "%s", aopGet (AOP (result), offset));
+ offset--;
+ }
+ if (AOP_SIZE (right) > 1)
+ emitcode ("sbiw", "r24,1");
+ else
+ emitcode ("dec", "r24");
+ emitcode ("brne", "L%05d", tlbl->key);
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* R0Rsh - shift right r0 by known count */
/*-----------------------------------------------------------------*/
-static void R0Rsh (int shCount)
-{
- shCount &= 0x0007; // shCount : 0..7
- switch(shCount){
- case 0 :
- break;
- case 1 :
- emitcode("lsr","r0");
- break;
- case 2 :
- emitcode("lsr","r0");
- emitcode("lsr","r0");
- break;
- case 3 :
- emitcode("swap","r0");
- emitcode("lsl","r0");
- break;
- case 4 :
- emitcode("swap","r0");
- break;
- case 5 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
- break;
- case 6 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
- break;
- case 7 :
- emitcode("swap","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
- emitcode("lsr","r0");
- break;
- }
-}
-
-/*-----------------------------------------------------------------*/
-/* genUnpackBits - generates code for unpacking bits */
-/*-----------------------------------------------------------------*/
-static void genUnpackBits (operand *result, char *rname, int ptype)
+static void
+R0Rsh (int shCount)
{
- int shCnt ;
- int rlen = 0 ;
- sym_link *etype;
- int offset = 0 ;
-
- etype = getSpec(operandType(result));
-
- /* read the first byte */
- switch (ptype) {
-
- case POINTER:
- case IPOINTER:
- case PPOINTER:
- case FPOINTER:
- emitcode("ld","r0,%s+",rname);
- break;
-
- case CPOINTER:
- emitcode("ldm","r0,%s+",rname);
- break;
-
- case GPOINTER:
- emitcode("call","__gptrget_pi");
- break;
- }
-
- /* if we have bitdisplacement then it fits */
- /* into this byte completely or if length is */
- /* less than a byte */
- if ((shCnt = SPEC_BSTR(etype)) || (SPEC_BLEN(etype) <= 8)) {
-
- /* shift right r0 */
- R0Rsh(shCnt);
- emitcode("andi","r0,0x%02x",
- ((unsigned char) -1)>>(8 - SPEC_BLEN(etype)));
-
- aopPut(AOP(result),"r0",offset);
- return ;
- }
-
- /* bit field did not fit in a byte */
- rlen = SPEC_BLEN(etype) - 8;
- aopPut(AOP(result),"a",offset++);
+ shCount &= 0x0007; // shCount : 0..7
- while (1) {
-
- switch (ptype) {
- case POINTER:
- case IPOINTER:
- case PPOINTER:
- case FPOINTER:
- emitcode("ld","r0,%s+",rname);
+ switch (shCount)
+ {
+ case 0:
break;
-
- case CPOINTER:
- emitcode("ldm","r0,%s+",rname);
+ case 1:
+ emitcode ("lsr", "r0");
break;
-
- case GPOINTER:
- emitcode("lcall","__gptrget_pi");
+ case 2:
+ emitcode ("lsr", "r0");
+ emitcode ("lsr", "r0");
+ break;
+ case 3:
+ emitcode ("swap", "r0");
+ emitcode ("lsl", "r0");
+ break;
+ case 4:
+ emitcode ("swap", "r0");
+ break;
+ case 5:
+ emitcode ("swap", "r0");
+ emitcode ("lsr", "r0");
+ break;
+ case 6:
+ emitcode ("swap", "r0");
+ emitcode ("lsr", "r0");
+ emitcode ("lsr", "r0");
+ break;
+ case 7:
+ emitcode ("swap", "r0");
+ emitcode ("lsr", "r0");
+ emitcode ("lsr", "r0");
+ emitcode ("lsr", "r0");
break;
}
-
- rlen -= 8;
- /* if we are done */
- if ( rlen <= 0 )
- break ;
-
- aopPut(AOP(result),"r0",offset++);
-
- }
-
- if (rlen) {
- emitcode("andi","r0,#0x%02x",((unsigned char)-1)>>(-rlen));
- aopPut(AOP(result),"r0",offset);
- }
-
- return ;
}
+/*-----------------------------------------------------------------*/
+/* genUnpackBits - generates code for unpacking bits */
+/*-----------------------------------------------------------------*/
+static void
+genUnpackBits (operand * result, char *rname, int ptype)
+{
+ int shCnt;
+ int rlen = 0;
+ sym_link *etype;
+ int offset = 0;
+ int rsize;
+
+ etype = getSpec (operandType (result));
+ rsize = getSize (operandType (result));
+ /* read the first byte */
+ switch (ptype) {
+
+ case POINTER:
+ case IPOINTER:
+ emitcode ("mov", "a,@%s", rname);
+ break;
+
+ case PPOINTER:
+ emitcode ("movx", "a,@%s", rname);
+ break;
+
+ case FPOINTER:
+ emitcode ("movx", "a,@dptr");
+ break;
+
+ case CPOINTER:
+ emitcode ("clr", "a");
+ emitcode ("movc", "a", "@a+dptr");
+ break;
+
+ case GPOINTER:
+ emitcode ("lcall", "__gptrget");
+ break;
+ }
+
+ rlen = SPEC_BLEN (etype);
+
+ /* if we have bitdisplacement then it fits */
+ /* into this byte completely or if length is */
+ /* less than a byte */
+ if ((shCnt = SPEC_BSTR (etype)) || (SPEC_BLEN (etype) <= 8)) {
+
+ /* shift right acc */
+ // AccRsh (shCnt);
+
+ emitcode ("anl", "a,#0x%02x",
+ ((unsigned char) -1) >> (8 - SPEC_BLEN (etype)));
+ aopPut (AOP (result), "a", offset++);
+ goto finish;
+ }
+
+ /* bit field did not fit in a byte */
+ aopPut (AOP (result), "a", offset++);
+
+ while (1) {
+
+ switch (ptype) {
+
+ case POINTER:
+ case IPOINTER:
+ emitcode ("inc", "%s", rname);
+ emitcode ("mov", "a,@%s", rname);
+ break;
+
+ case PPOINTER:
+ emitcode ("inc", "%s", rname);
+ emitcode ("movx", "a,@%s", rname);
+ break;
+
+ case FPOINTER:
+ emitcode ("inc", "dptr");
+ emitcode ("movx", "a,@dptr");
+ break;
+
+ case CPOINTER:
+ emitcode ("clr", "a");
+ emitcode ("inc", "dptr");
+ emitcode ("movc", "a", "@a+dptr");
+ break;
+
+ case GPOINTER:
+ emitcode ("inc", "dptr");
+ emitcode ("lcall", "__gptrget");
+ break;
+ }
+
+ rlen -= 8;
+ /* if we are done */
+ if (rlen < 8)
+ break;
+
+ aopPut (AOP (result), "a", offset++);
+
+ }
+
+ if (rlen) {
+ // emitcode("anl","a,#0x%02x",((unsigned char)-1)>>(rlen));
+ // AccLsh (8 - rlen);
+ aopPut (AOP (result), "a", offset++);
+ }
+
+ finish:
+ if (offset < rsize) {
+ rsize -= offset;
+ while (rsize--)
+ aopPut (AOP (result), zero, offset++);
+ }
+ return;
+}
/*-----------------------------------------------------------------*/
/* genDataPointerGet - generates code when ptr offset is known */
/*-----------------------------------------------------------------*/
-static void genDataPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genDataPointerGet (operand * left,
+ operand * result,
+ iCode * ic)
{
- char *l;
- char buffer[256];
- int size , offset = 0;
- aopOp(result,ic,TRUE);
-
- /* get the string representation of the name */
- l = aopGet(AOP(left),0);
- size = AOP_SIZE(result);
- while (size--) {
- if (offset)
- sprintf(buffer,"(%s + %d)",l+1,offset);
- else
- sprintf(buffer,"%s",l+1);
- emitcode("lds","%s,%s",aopGet(AOP(result),offset++),buffer);
- }
-
- freeAsmop(left,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ char *l;
+ char buffer[256];
+ int size, offset = 0;
+ aopOp (result, ic, TRUE);
+
+ /* get the string representation of the name */
+ l = aopGet (AOP (left), 0);
+ size = AOP_SIZE (result);
+ while (size--) {
+ if (offset)
+ sprintf (buffer, "(%s + %d)", l + 1, offset);
+ else
+ sprintf (buffer, "%s", l + 1);
+ emitcode ("lds", "%s,%s", aopGet (AOP (result), offset++), buffer);
+ }
+
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genNearPointerGet - emitcode for near pointer fetch */
/*-----------------------------------------------------------------*/
-static void genNearPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genNearPointerGet (operand * left,
+ operand * result,
+ iCode * ic)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname ;
+ regs *preg = NULL;
+ char *rname;
sym_link *rtype, *retype;
- sym_link *ltype = operandType(left);
+ sym_link *ltype = operandType (left);
char buffer[80];
- rtype = operandType(result);
- retype= getSpec(rtype);
+ rtype = operandType (result);
+ retype = getSpec (rtype);
- aopOp(left,ic,FALSE);
+ aopOp (left, ic, FALSE);
/* if left is rematerialisable and
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 &&
- !IS_BITVAR(retype) &&
- DCL_TYPE(ltype) == POINTER) {
- genDataPointerGet (left,result,ic);
- return ;
- }
+ if (AOP_TYPE (left) == AOP_IMMD &&
+ !IS_BITVAR (retype) &&
+ DCL_TYPE (ltype) == POINTER) {
+ genDataPointerGet (left, result, ic);
+ return;
+ }
/* if the value is already in a pointer register
then don't need anything more */
- if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(left),0);
-
- freeAsmop(left,NULL,ic,TRUE);
- aopOp (result,ic,FALSE);
+ if (!AOP_INPREG (AOP (left))) {
+ /* otherwise get a free pointer register */
+ aop = newAsmop (0);
+ preg = getFreePtr (ic, &aop, FALSE, 0);
+ emitcode ("mov", "%s,%s",
+ preg->name,
+ aopGet (AOP (left), 0));
+ rname = preg->name;
+ }
+ else
+ rname = aopGet (AOP (left), 0);
+
+ freeAsmop (left, NULL, ic, TRUE);
+ aopOp (result, ic, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,POINTER);
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, rname, POINTER);
else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
-
- while (size--) {
- if (IS_AOP_PREG(result) || AOP_TYPE(result) == AOP_STK ) {
-
- emitcode("mov","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
- } else {
- sprintf(buffer,"@%s",rname);
- aopPut(AOP(result),buffer,offset);
- }
- offset++ ;
- if (size)
- emitcode("inc","%s",rname);
+ /* we have can just get the values */
+ int size = AOP_SIZE (result);
+ int offset = 0;
+
+ while (size--) {
+ if (IS_AOP_PREG (result) || AOP_TYPE (result) == AOP_STK) {
+
+ emitcode ("mov", "a,@%s", rname);
+ aopPut (AOP (result), "a", offset);
+ }
+ else
+ {
+ sprintf (buffer, "@%s", rname);
+ aopPut (AOP (result), buffer, offset);
+ }
+ offset++;
+ if (size)
+ emitcode ("inc", "%s", rname);
+ }
}
- }
/* 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 */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
+ 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 */
+ if (AOP_SIZE (result) > 1 &&
+ !OP_SYMBOL (left)->remat &&
+ (OP_SYMBOL (left)->liveTo > ic->seq ||
+ ic->depth))
+ {
+ int size = AOP_SIZE (result) - 1;
+ while (size--)
+ emitcode ("dec", "%s", rname);
+ }
}
- }
/* done */
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genPagedPointerGet - emitcode for paged pointer fetch */
/*-----------------------------------------------------------------*/
-static void genPagedPointerGet (operand *left,
- operand *result,
- iCode *ic)
+static void
+genPagedPointerGet (operand * left,
+ operand * result,
+ iCode * ic)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname ;
+ regs *preg = NULL;
+ char *rname;
sym_link *rtype, *retype;
- rtype = operandType(result);
- retype= getSpec(rtype);
+ rtype = operandType (result);
+ retype = getSpec (rtype);
- aopOp(left,ic,FALSE);
+ aopOp (left, ic, FALSE);
/* if the value is already in a pointer register
then don't need anything more */
- if (!AOP_INPREG(AOP(left))) {
- /* otherwise get a free pointer register */
- aop = newAsmop(0);
- preg = getFreePtr(ic,&aop,FALSE,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(left),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(left),0);
-
- freeAsmop(left,NULL,ic,TRUE);
- aopOp (result,ic,FALSE);
+ if (!AOP_INPREG (AOP (left)))
+ {
+ /* otherwise get a free pointer register */
+ aop = newAsmop (0);
+ preg = getFreePtr (ic, &aop, FALSE, 0);
+ emitcode ("mov", "%s,%s",
+ preg->name,
+ aopGet (AOP (left), 0));
+ rname = preg->name;
+ }
+ else
+ rname = aopGet (AOP (left), 0);
+
+ freeAsmop (left, NULL, ic, TRUE);
+ aopOp (result, ic, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genUnpackBits (result,rname,PPOINTER);
- else {
- /* we have can just get the values */
- int size = AOP_SIZE(result);
- int offset = 0 ;
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, rname, PPOINTER);
+ else
+ {
+ /* we have can just get the values */
+ int size = AOP_SIZE (result);
+ int offset = 0;
- while (size--) {
+ while (size--)
+ {
- emitcode("movx","a,@%s",rname);
- aopPut(AOP(result),"a",offset);
+ emitcode ("movx", "a,@%s", rname);
+ aopPut (AOP (result), "a", offset);
- offset++ ;
+ offset++;
- if (size)
- emitcode("inc","%s",rname);
+ if (size)
+ emitcode ("inc", "%s", rname);
+ }
}
- }
/* 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 */
- if (AOP_SIZE(result) > 1 &&
- !OP_SYMBOL(left)->remat &&
- ( OP_SYMBOL(left)->liveTo > ic->seq ||
- ic->depth )) {
- int size = AOP_SIZE(result) - 1;
- while (size--)
- emitcode("dec","%s",rname);
+ 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 */
+ if (AOP_SIZE (result) > 1 &&
+ !OP_SYMBOL (left)->remat &&
+ (OP_SYMBOL (left)->liveTo > ic->seq ||
+ ic->depth))
+ {
+ int size = AOP_SIZE (result) - 1;
+ while (size--)
+ emitcode ("dec", "%s", rname);
+ }
}
- }
/* done */
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genFarPointerGet - gget value from far space */
/*-----------------------------------------------------------------*/
-static void genFarPointerGet (operand *left,
- operand *result, iCode *ic)
+static void
+genFarPointerGet (operand * left,
+ operand * result, iCode * ic)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
+ int size, offset;
+ sym_link *retype = getSpec (operandType (result));
- aopOp(left,ic,FALSE);
+ aopOp (left, 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)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- }
+ if (AOP_TYPE (left) != AOP_STR)
+ {
+ /* if this is remateriazable */
+ if (AOP_TYPE (left) == AOP_IMMD)
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0));
+ else
+ { /* we need to get it byte by byte */
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1));
+ if (options.model == MODEL_FLAT24)
+ {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2));
+ }
+ }
}
- }
/* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
+ freeAsmop (left, NULL, ic, TRUE);
+ aopOp (result, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",FPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "dptr", FPOINTER);
+ else
+ {
+ size = AOP_SIZE (result);
+ offset = 0;
- while (size--) {
- emitcode("movx","a,@dptr");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
+ while (size--)
+ {
+ emitcode ("movx", "a,@dptr");
+ aopPut (AOP (result), "a", offset++);
+ if (size)
+ emitcode ("inc", "dptr");
+ }
}
- }
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* emitcodePointerGet - gget value from code space */
/*-----------------------------------------------------------------*/
-static void emitcodePointerGet (operand *left,
- operand *result, iCode *ic)
+static void
+emitcodePointerGet (operand * left,
+ operand * result, iCode * ic)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(result));
+ int size, offset;
+ sym_link *retype = getSpec (operandType (result));
- aopOp(left,ic,FALSE);
+ aopOp (left, 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)
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- }
+ if (AOP_TYPE (left) != AOP_STR)
+ {
+ /* if this is remateriazable */
+ if (AOP_TYPE (left) == AOP_IMMD)
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0));
+ else
+ { /* we need to get it byte by byte */
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1));
+ if (options.model == MODEL_FLAT24)
+ {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2));
+ }
+ }
}
- }
/* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
+ freeAsmop (left, NULL, ic, TRUE);
+ aopOp (result, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",CPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "dptr", CPOINTER);
+ else
+ {
+ size = AOP_SIZE (result);
+ offset = 0;
- while (size--) {
- emitcode("clr","a");
- emitcode("movc","a,@a+dptr");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
+ while (size--)
+ {
+ emitcode ("clr", "a");
+ emitcode ("movc", "a,@a+dptr");
+ aopPut (AOP (result), "a", offset++);
+ if (size)
+ emitcode ("inc", "dptr");
+ }
}
- }
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genGenPointerGet - gget value from generic pointer space */
/*-----------------------------------------------------------------*/
-static void genGenPointerGet (operand *left,
- operand *result, iCode *ic)
+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));
- aopOp(left,ic,FALSE);
+ aopOp (left, 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) {
- emitcode("mov","dptr,%s",aopGet(AOP(left),0));
- emitcode("mov","b,#%d",pointerCode(retype));
- }
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(left),0));
- emitcode("mov","dph,%s",aopGet(AOP(left),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(left),2));
- emitcode("mov","b,%s",aopGet(AOP(left),3));
- }
+ if (AOP_TYPE (left) != AOP_STR)
+ {
+ /* if this is remateriazable */
+ if (AOP_TYPE (left) == AOP_IMMD)
+ {
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "b,#%d", pointerCode (retype));
+ }
else
- {
- emitcode("mov","b,%s",aopGet(AOP(left),2));
- }
+ { /* we need to get it byte by byte */
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1));
+ if (options.model == MODEL_FLAT24)
+ {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2));
+ emitcode ("mov", "b,%s", aopGet (AOP (left), 3));
+ }
+ else
+ {
+ emitcode ("mov", "b,%s", aopGet (AOP (left), 2));
+ }
+ }
}
- }
/* so dptr know contains the address */
- freeAsmop(left,NULL,ic,TRUE);
- aopOp(result,ic,FALSE);
+ freeAsmop (left, NULL, ic, TRUE);
+ aopOp (result, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genUnpackBits(result,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(result);
- offset = 0 ;
+ if (IS_BITVAR (retype))
+ genUnpackBits (result, "dptr", GPOINTER);
+ else
+ {
+ size = AOP_SIZE (result);
+ offset = 0;
- while (size--) {
- emitcode("lcall","__gptrget");
- aopPut(AOP(result),"a",offset++);
- if (size)
- emitcode("inc","dptr");
+ while (size--)
+ {
+ emitcode ("lcall", "__gptrget");
+ aopPut (AOP (result), "a", offset++);
+ if (size)
+ emitcode ("inc", "dptr");
+ }
}
- }
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genPointerGet - generate code for pointer get */
/*-----------------------------------------------------------------*/
-static void genPointerGet (iCode *ic)
+static void
+genPointerGet (iCode * ic)
{
- operand *left, *result ;
+ operand *left, *result;
sym_link *type, *etype;
int p_type;
- left = IC_LEFT(ic);
- result = IC_RESULT(ic) ;
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
/* depending on the type of pointer we need to
move it to the correct pointer register */
- type = operandType(left);
- etype = getSpec(type);
+ type = operandType (left);
+ etype = getSpec (type);
/* if left is of type of pointer then it is simple */
- if (IS_PTR(type) && !IS_FUNC(type->next))
- p_type = DCL_TYPE(type);
- else {
- /* 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) */
- /* p_type = PPOINTER; */
- /* else */
- /* if (SPEC_OCLS(etype) == idata ) */
- /* p_type = IPOINTER; */
- /* else */
- /* p_type = POINTER ; */
- }
+ if (IS_PTR (type) && !IS_FUNC (type->next))
+ p_type = DCL_TYPE (type);
+ else
+ {
+ /* 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) */
+ /* p_type = PPOINTER; */
+ /* else */
+ /* if (SPEC_OCLS(etype) == idata ) */
+ /* p_type = IPOINTER; */
+ /* else */
+ /* p_type = POINTER ; */
+ }
/* now that we have the pointer type we assign
the pointer values */
- switch (p_type) {
+ switch (p_type)
+ {
- case POINTER:
- case IPOINTER:
- genNearPointerGet (left,result,ic);
- break;
+ case POINTER:
+ case IPOINTER:
+ genNearPointerGet (left, result, ic);
+ break;
- case PPOINTER:
- genPagedPointerGet(left,result,ic);
- break;
+ case PPOINTER:
+ genPagedPointerGet (left, result, ic);
+ break;
- case FPOINTER:
- genFarPointerGet (left,result,ic);
- break;
+ case FPOINTER:
+ genFarPointerGet (left, result, ic);
+ break;
- case CPOINTER:
- emitcodePointerGet (left,result,ic);
- break;
+ case CPOINTER:
+ emitcodePointerGet (left, result, ic);
+ break;
- case GPOINTER:
- genGenPointerGet (left,result,ic);
- break;
- }
+ case GPOINTER:
+ genGenPointerGet (left, result, ic);
+ break;
+ }
}
/*-----------------------------------------------------------------*/
/* genPackBits - generates code for packed bit storage */
/*-----------------------------------------------------------------*/
-static void genPackBits (sym_link *etype ,
- operand *right ,
- char *rname, int p_type)
+static void
+genPackBits (sym_link * etype,
+ operand * right,
+ char *rname, int p_type)
{
- int shCount = 0 ;
- int offset = 0 ;
- int rLen = 0 ;
- int blen, bstr ;
- char *l ;
+ int shCount = 0;
+ int offset = 0;
+ int rLen = 0;
+ int blen, bstr;
+ char *l;
- blen = SPEC_BLEN(etype);
- bstr = SPEC_BSTR(etype);
+ blen = SPEC_BLEN (etype);
+ bstr = SPEC_BSTR (etype);
- l = aopGet(AOP(right),offset++);
- MOVA(l);
+ l = aopGet (AOP (right), offset++);
+ MOVA (l);
/* if the bit lenth is less than or */
/* it exactly fits a byte then */
- if (SPEC_BLEN(etype) <= 8 ) {
- shCount = SPEC_BSTR(etype) ;
-
- /* shift left acc */
- // AccLsh(shCount);
-
- if (SPEC_BLEN(etype) < 8 ) { /* if smaller than a byte */
-
-
- switch (p_type) {
- case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
- break;
-
- case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
- break;
-
- case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
- break;
- }
-
- emitcode ("anl","a,#0x%02x",(unsigned char)
- ((unsigned char)(0xFF << (blen+bstr)) |
- (unsigned char)(0xFF >> (8-bstr)) ) );
- emitcode ("orl","a,b");
- if (p_type == GPOINTER)
- emitcode("pop","b");
+ if (SPEC_BLEN (etype) <= 8)
+ {
+ shCount = SPEC_BSTR (etype);
+
+ /* shift left acc */
+ // AccLsh(shCount);
+
+ if (SPEC_BLEN (etype) < 8)
+ { /* if smaller than a byte */
+
+
+ switch (p_type)
+ {
+ case POINTER:
+ emitcode ("mov", "b,a");
+ emitcode ("mov", "a,@%s", rname);
+ break;
+
+ case FPOINTER:
+ emitcode ("mov", "b,a");
+ emitcode ("movx", "a,@dptr");
+ break;
+
+ case GPOINTER:
+ emitcode ("push", "b");
+ emitcode ("push", "acc");
+ emitcode ("lcall", "__gptrget");
+ emitcode ("pop", "b");
+ break;
+ }
+
+ emitcode ("anl", "a,#0x%02x", (unsigned char)
+ ((unsigned char) (0xFF << (blen + bstr)) |
+ (unsigned char) (0xFF >> (8 - bstr))));
+ emitcode ("orl", "a,b");
+ if (p_type == GPOINTER)
+ emitcode ("pop", "b");
+ }
}
- }
- switch (p_type) {
- case POINTER:
- emitcode("mov","@%s,a",rname);
- break;
+ switch (p_type)
+ {
+ case POINTER:
+ emitcode ("mov", "@%s,a", rname);
+ break;
- case FPOINTER:
- emitcode("movx","@dptr,a");
- break;
+ case FPOINTER:
+ emitcode ("movx", "@dptr,a");
+ break;
- case GPOINTER:
- emitcode("lcall","__gptrput");
- break;
- }
+ case GPOINTER:
+ emitcode ("lcall", "__gptrput");
+ break;
+ }
/* if we r done */
- if ( SPEC_BLEN(etype) <= 8 )
- return ;
+ if (SPEC_BLEN (etype) <= 8)
+ return;
- emitcode("inc","%s",rname);
- rLen = SPEC_BLEN(etype) ;
+ emitcode ("inc", "%s", rname);
+ rLen = SPEC_BLEN (etype);
/* now generate for lengths greater than one byte */
- while (1) {
-
- l = aopGet(AOP(right),offset++);
-
- rLen -= 8 ;
- if (rLen <= 0 )
- break ;
+ while (1)
+ {
- switch (p_type) {
- case POINTER:
- if (*l == '@') {
- MOVA(l);
- emitcode("mov","@%s,a",rname);
- } else
- emitcode("mov","@%s,%s",rname,l);
- break;
+ l = aopGet (AOP (right), offset++);
+
+ rLen -= 8;
+ if (rLen <= 0)
+ break;
+
+ switch (p_type)
+ {
+ case POINTER:
+ if (*l == '@')
+ {
+ MOVA (l);
+ emitcode ("mov", "@%s,a", rname);
+ }
+ else
+ emitcode ("mov", "@%s,%s", rname, l);
+ break;
+
+ case FPOINTER:
+ MOVA (l);
+ emitcode ("movx", "@dptr,a");
+ break;
+
+ case GPOINTER:
+ MOVA (l);
+ emitcode ("lcall", "__gptrput");
+ break;
+ }
+ emitcode ("inc", "%s", rname);
+ }
- case FPOINTER:
- MOVA(l);
- emitcode("movx","@dptr,a");
- break;
+ MOVA (l);
- case GPOINTER:
- MOVA(l);
- emitcode("lcall","__gptrput");
- break;
+ /* last last was not complete */
+ if (rLen)
+ {
+ /* save the byte & read byte */
+ switch (p_type)
+ {
+ case POINTER:
+ emitcode ("mov", "b,a");
+ emitcode ("mov", "a,@%s", rname);
+ break;
+
+ case FPOINTER:
+ emitcode ("mov", "b,a");
+ emitcode ("movx", "a,@dptr");
+ break;
+
+ case GPOINTER:
+ emitcode ("push", "b");
+ emitcode ("push", "acc");
+ emitcode ("lcall", "__gptrget");
+ emitcode ("pop", "b");
+ break;
+ }
+
+ emitcode ("anl", "a,#0x%02x", ((unsigned char) -1 << -rLen));
+ emitcode ("orl", "a,b");
}
- emitcode ("inc","%s",rname);
- }
- MOVA(l);
+ if (p_type == GPOINTER)
+ emitcode ("pop", "b");
+
+ switch (p_type)
+ {
- /* last last was not complete */
- if (rLen) {
- /* save the byte & read byte */
- switch (p_type) {
case POINTER:
- emitcode ("mov","b,a");
- emitcode("mov","a,@%s",rname);
+ emitcode ("mov", "@%s,a", rname);
break;
case FPOINTER:
- emitcode ("mov","b,a");
- emitcode("movx","a,@dptr");
+ emitcode ("movx", "@dptr,a");
break;
case GPOINTER:
- emitcode ("push","b");
- emitcode ("push","acc");
- emitcode ("lcall","__gptrget");
- emitcode ("pop","b");
+ emitcode ("lcall", "__gptrput");
break;
}
-
- emitcode ("anl","a,#0x%02x",((unsigned char)-1 << -rLen) );
- emitcode ("orl","a,b");
- }
-
- if (p_type == GPOINTER)
- emitcode("pop","b");
-
- switch (p_type) {
-
- case POINTER:
- emitcode("mov","@%s,a",rname);
- break;
-
- case FPOINTER:
- emitcode("movx","@dptr,a");
- break;
-
- case GPOINTER:
- emitcode("lcall","__gptrput");
- break;
- }
}
/*-----------------------------------------------------------------*/
/* genDataPointerSet - remat pointer to data space */
/*-----------------------------------------------------------------*/
-static void genDataPointerSet(operand *right,
- operand *result,
- iCode *ic)
+static void
+genDataPointerSet (operand * right,
+ operand * result,
+ iCode * ic)
{
- int size, offset = 0 ;
+ int size, offset = 0;
char *l, buffer[256];
- aopOp(right,ic,FALSE);
+ aopOp (right, ic, FALSE);
- l = aopGet(AOP(result),0);
- size = AOP_SIZE(right);
- while (size--) {
- if (offset)
- sprintf(buffer,"(%s + %d)",l+1,offset);
- else
- sprintf(buffer,"%s",l+1);
- emitcode("mov","%s,%s",buffer,
- aopGet(AOP(right),offset++));
- }
+ l = aopGet (AOP (result), 0);
+ size = AOP_SIZE (right);
+ while (size--)
+ {
+ if (offset)
+ sprintf (buffer, "(%s + %d)", l + 1, offset);
+ else
+ sprintf (buffer, "%s", l + 1);
+ emitcode ("mov", "%s,%s", buffer,
+ aopGet (AOP (right), offset++));
+ }
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genNearPointerSet - emitcode for near pointer put */
/*-----------------------------------------------------------------*/
-static void genNearPointerSet (operand *right,
- operand *result,
- iCode *ic)
+static void
+genNearPointerSet (operand * right,
+ operand * result,
+ iCode * ic)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname , *l;
+ regs *preg = NULL;
+ char *rname, *l;
sym_link *retype;
- sym_link *ptype = operandType(result);
+ sym_link *ptype = operandType (result);
- retype= getSpec(operandType(right));
+ retype = getSpec (operandType (right));
- aopOp(result,ic,FALSE);
+ 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;
- }
+ if (AOP_TYPE (result) == AOP_IMMD &&
+ DCL_TYPE (ptype) == POINTER &&
+ !IS_BITVAR (retype))
+ {
+ genDataPointerSet (right, result, ic);
+ 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,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(result),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(result),0);
-
- freeAsmop(result,NULL,ic,TRUE);
- aopOp (right,ic,FALSE);
+ if (!AOP_INPREG (AOP (result)))
+ {
+ /* otherwise get a free pointer register */
+ aop = newAsmop (0);
+ preg = getFreePtr (ic, &aop, FALSE, 0);
+ emitcode ("mov", "%s,%s",
+ preg->name,
+ aopGet (AOP (result), 0));
+ rname = preg->name;
+ }
+ else
+ rname = aopGet (AOP (result), 0);
+
+ freeAsmop (result, NULL, ic, TRUE);
+ aopOp (right, ic, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genPackBits (retype,right,rname,POINTER);
- else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
-
- while (size--) {
- l = aopGet(AOP(right),offset);
- if (*l == '@' ) {
- MOVA(l);
- emitcode("mov","@%s,a",rname);
- } else
- emitcode("mov","@%s,%s",rname,l);
- if (size)
- emitcode("inc","%s",rname);
- offset++;
+ if (IS_BITVAR (retype))
+ genPackBits (retype, right, rname, POINTER);
+ else
+ {
+ /* we have can just get the values */
+ int size = AOP_SIZE (right);
+ int offset = 0;
+
+ while (size--)
+ {
+ l = aopGet (AOP (right), offset);
+ if (*l == '@')
+ {
+ MOVA (l);
+ emitcode ("mov", "@%s,a", rname);
+ }
+ else
+ emitcode ("mov", "@%s,%s", rname, l);
+ if (size)
+ emitcode ("inc", "%s", rname);
+ offset++;
+ }
}
- }
/* 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 */
- 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--)
- emitcode("dec","%s",rname);
+ 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 */
+ 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--)
+ emitcode ("dec", "%s", rname);
+ }
}
- }
/* done */
- freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genPagedPointerSet - emitcode for Paged pointer put */
/*-----------------------------------------------------------------*/
-static void genPagedPointerSet (operand *right,
- operand *result,
- iCode *ic)
+static void
+genPagedPointerSet (operand * right,
+ operand * result,
+ iCode * ic)
{
asmop *aop = NULL;
- regs *preg = NULL ;
- char *rname , *l;
+ regs *preg = NULL;
+ char *rname, *l;
sym_link *retype;
- retype= getSpec(operandType(right));
+ retype = getSpec (operandType (right));
+
+ aopOp (result, ic, FALSE);
- aopOp(result,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, 0);
+ emitcode ("mov", "%s,%s",
+ preg->name,
+ aopGet (AOP (result), 0));
+ rname = preg->name;
+ }
+ else
+ rname = aopGet (AOP (result), 0);
- /* 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,0);
- emitcode("mov","%s,%s",
- preg->name,
- aopGet(AOP(result),0));
- rname = preg->name ;
- } else
- rname = aopGet(AOP(result),0);
-
- freeAsmop(result,NULL,ic,TRUE);
- aopOp (right,ic,FALSE);
+ freeAsmop (result, NULL, ic, TRUE);
+ aopOp (right, ic, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR(retype))
- genPackBits (retype,right,rname,PPOINTER);
- else {
- /* we have can just get the values */
- int size = AOP_SIZE(right);
- int offset = 0 ;
+ if (IS_BITVAR (retype))
+ genPackBits (retype, right, rname, PPOINTER);
+ else
+ {
+ /* we have can just get the values */
+ int size = AOP_SIZE (right);
+ int offset = 0;
- while (size--) {
- l = aopGet(AOP(right),offset);
+ while (size--)
+ {
+ l = aopGet (AOP (right), offset);
- MOVA(l);
- emitcode("movx","@%s,a",rname);
+ MOVA (l);
+ emitcode ("movx", "@%s,a", rname);
- if (size)
- emitcode("inc","%s",rname);
+ if (size)
+ emitcode ("inc", "%s", rname);
- offset++;
+ offset++;
+ }
}
- }
/* 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 */
- 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--)
- emitcode("dec","%s",rname);
+ 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 */
+ 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--)
+ emitcode ("dec", "%s", rname);
+ }
}
- }
/* done */
- freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genFarPointerSet - set value from far space */
/*-----------------------------------------------------------------*/
-static void genFarPointerSet (operand *right,
- operand *result, iCode *ic)
+static void
+genFarPointerSet (operand * right,
+ operand * result, iCode * ic)
{
- int size, offset ;
- sym_link *retype = getSpec(operandType(right));
+ int size, offset;
+ sym_link *retype = getSpec (operandType (right));
- aopOp(result,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(result) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(result) == AOP_IMMD)
- emitcode("mov","dptr,%s",aopGet(AOP(result),0));
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(result),0));
- emitcode("mov","dph,%s",aopGet(AOP(result),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(result),2));
- }
+ if (AOP_TYPE (result) != AOP_STR)
+ {
+ /* if this is remateriazable */
+ if (AOP_TYPE (result) == AOP_IMMD)
+ emitcode ("mov", "dptr,%s", aopGet (AOP (result), 0));
+ else
+ { /* we need to get it byte by byte */
+ emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0));
+ emitcode ("mov", "dph,%s", aopGet (AOP (result), 1));
+ if (options.model == MODEL_FLAT24)
+ {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2));
+ }
+ }
}
- }
/* so dptr know contains the address */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
+ freeAsmop (result, NULL, ic, TRUE);
+ aopOp (right, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genPackBits(retype,right,"dptr",FPOINTER);
- else {
- size = AOP_SIZE(right);
- offset = 0 ;
+ if (IS_BITVAR (retype))
+ genPackBits (retype, right, "dptr", FPOINTER);
+ else
+ {
+ size = AOP_SIZE (right);
+ offset = 0;
- while (size--) {
- char *l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode("movx","@dptr,a");
- if (size)
- emitcode("inc","dptr");
+ while (size--)
+ {
+ char *l = aopGet (AOP (right), offset++);
+ MOVA (l);
+ emitcode ("movx", "@dptr,a");
+ if (size)
+ emitcode ("inc", "dptr");
+ }
}
- }
- freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genGenPointerSet - set value from generic pointer space */
/*-----------------------------------------------------------------*/
-static void genGenPointerSet (operand *right,
- operand *result, iCode *ic)
+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));
- aopOp(result,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(result) != AOP_STR) {
- /* if this is remateriazable */
- if (AOP_TYPE(result) == AOP_IMMD) {
- emitcode("mov","dptr,%s",aopGet(AOP(result),0));
- emitcode("mov","b,%s + 1",aopGet(AOP(result),0));
- }
- else { /* we need to get it byte by byte */
- emitcode("mov","dpl,%s",aopGet(AOP(result),0));
- emitcode("mov","dph,%s",aopGet(AOP(result),1));
- if (options.model == MODEL_FLAT24)
- {
- emitcode("mov", "dpx,%s",aopGet(AOP(result),2));
- emitcode("mov","b,%s",aopGet(AOP(result),3));
- }
+ if (AOP_TYPE (result) != AOP_STR)
+ {
+ /* if this is remateriazable */
+ if (AOP_TYPE (result) == AOP_IMMD)
+ {
+ emitcode ("mov", "dptr,%s", aopGet (AOP (result), 0));
+ emitcode ("mov", "b,%s + 1", aopGet (AOP (result), 0));
+ }
else
- {
- emitcode("mov","b,%s",aopGet(AOP(result),2));
- }
+ { /* we need to get it byte by byte */
+ emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0));
+ emitcode ("mov", "dph,%s", aopGet (AOP (result), 1));
+ if (options.model == MODEL_FLAT24)
+ {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2));
+ emitcode ("mov", "b,%s", aopGet (AOP (result), 3));
+ }
+ else
+ {
+ emitcode ("mov", "b,%s", aopGet (AOP (result), 2));
+ }
+ }
}
- }
/* so dptr know contains the address */
- freeAsmop(result,NULL,ic,TRUE);
- aopOp(right,ic,FALSE);
+ freeAsmop (result, NULL, ic, TRUE);
+ aopOp (right, ic, FALSE);
/* if bit then unpack */
- if (IS_BITVAR(retype))
- genPackBits(retype,right,"dptr",GPOINTER);
- else {
- size = AOP_SIZE(right);
- offset = 0 ;
+ if (IS_BITVAR (retype))
+ genPackBits (retype, right, "dptr", GPOINTER);
+ else
+ {
+ size = AOP_SIZE (right);
+ offset = 0;
- while (size--) {
- char *l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode("lcall","__gptrput");
- if (size)
- emitcode("inc","dptr");
+ while (size--)
+ {
+ char *l = aopGet (AOP (right), offset++);
+ MOVA (l);
+ emitcode ("lcall", "__gptrput");
+ if (size)
+ emitcode ("inc", "dptr");
+ }
}
- }
- freeAsmop(right,NULL,ic,TRUE);
+ freeAsmop (right, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genPointerSet - stores the value into a pointer location */
/*-----------------------------------------------------------------*/
-static void genPointerSet (iCode *ic)
+static void
+genPointerSet (iCode * ic)
{
- operand *right, *result ;
+ operand *right, *result;
sym_link *type, *etype;
int p_type;
- right = IC_RIGHT(ic);
- result = IC_RESULT(ic) ;
+ right = IC_RIGHT (ic);
+ result = IC_RESULT (ic);
/* depending on the type of pointer we need to
move it to the correct pointer register */
- type = operandType(result);
- etype = getSpec(type);
+ type = operandType (result);
+ etype = getSpec (type);
/* if left is of type of pointer then it is simple */
- if (IS_PTR(type) && !IS_FUNC(type->next)) {
- p_type = DCL_TYPE(type);
- }
- else {
- /* 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) */
- /* p_type = PPOINTER ; */
- /* else */
- /* if (SPEC_OCLS(etype) == idata ) */
- /* p_type = IPOINTER ; */
- /* else */
- /* p_type = POINTER ; */
- }
+ if (IS_PTR (type) && !IS_FUNC (type->next))
+ {
+ p_type = DCL_TYPE (type);
+ }
+ else
+ {
+ /* 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) */
+ /* p_type = PPOINTER ; */
+ /* else */
+ /* if (SPEC_OCLS(etype) == idata ) */
+ /* p_type = IPOINTER ; */
+ /* else */
+ /* p_type = POINTER ; */
+ }
/* now that we have the pointer type we assign
the pointer values */
- switch (p_type) {
+ switch (p_type)
+ {
- case POINTER:
- case IPOINTER:
- genNearPointerSet (right,result,ic);
- break;
+ case POINTER:
+ case IPOINTER:
+ genNearPointerSet (right, result, ic);
+ break;
- case PPOINTER:
- genPagedPointerSet (right,result,ic);
- break;
+ case PPOINTER:
+ genPagedPointerSet (right, result, ic);
+ break;
- case FPOINTER:
- genFarPointerSet (right,result,ic);
- break;
+ case FPOINTER:
+ genFarPointerSet (right, result, ic);
+ break;
- case GPOINTER:
- genGenPointerSet (right,result,ic);
- break;
- }
+ case GPOINTER:
+ genGenPointerSet (right, result, ic);
+ break;
+ }
}
/*-----------------------------------------------------------------*/
/* genIfx - generate code for Ifx statement */
/*-----------------------------------------------------------------*/
-static void genIfx (iCode *ic, iCode *popIc)
+static void
+genIfx (iCode * ic, iCode * popIc)
{
- operand *cond = IC_COND(ic);
- int isbit =0;
+ operand *cond = IC_COND (ic);
+ int isbit = 0;
- aopOp(cond,ic,FALSE);
+ aopOp (cond, ic, FALSE);
/* get the value into acc */
- if (AOP_TYPE(cond) != AOP_CRY)
- toBoolean(cond,"",0);
+ if (AOP_TYPE (cond) != AOP_CRY)
+ toBoolean (cond, "", 0);
else
isbit = 1;
/* the result is now in the accumulator */
- freeAsmop(cond,NULL,ic,TRUE);
+ freeAsmop (cond, NULL, ic, TRUE);
/* if there was something to be popped then do it */
if (popIc)
- genIpop(popIc);
+ genIpop (popIc);
/* if the condition is a bit variable */
/* if (isbit && IS_ITEMP(cond) && SPIL_LOC(cond)) { */
/* // genIfxJump(ic,SPIL_LOC(cond)->rname); */
- /* } */
- /* else */
- /* if (isbit && !IS_ITEMP(cond)) */
- /* // genIfxJump(ic,OP_SYMBOL(cond)->rname); */
- /* else */
- /* // genIfxJump(ic,"a"); */
-
- ic->generated = 1;
+ /* } */
+ /* else */
+ /* if (isbit && !IS_ITEMP(cond)) */
+ /* // genIfxJump(ic,OP_SYMBOL(cond)->rname); */
+ /* else */
+ /* // genIfxJump(ic,"a"); */
+
+ ic->generated = 1;
}
/*-----------------------------------------------------------------*/
/* genAddrOf - generates code for address of */
/*-----------------------------------------------------------------*/
-static void genAddrOf (iCode *ic)
+static void
+genAddrOf (iCode * ic)
{
- symbol *sym = OP_SYMBOL(IC_LEFT(ic));
- int size, offset ;
+ symbol *sym = OP_SYMBOL (IC_LEFT (ic));
+ int size, offset;
- aopOp(IC_RESULT(ic),ic,FALSE);
+ 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) {
- emitcode("mov","a,_bp");
- 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");
- }
+ if (sym->onStack)
+ {
+ /* if it has an offset then we need to compute
+ it */
+ if (sym->stack)
+ {
+ emitcode ("mov", "a,_bp");
+ 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;
- 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++);
- }
- }
- goto release;
- }
+ 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++);
+ }
+ }
+
+ goto release;
+ }
/* object not on stack then we need the name */
- size = AOP_SIZE(IC_RESULT(ic));
+ size = AOP_SIZE (IC_RESULT (ic));
offset = 0;
- 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++);
- }
+ 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++);
+ }
- release:
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+release:
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genFarFarAssign - assignment when both are in far space */
/*-----------------------------------------------------------------*/
-static void genFarFarAssign (operand *result, operand *right, iCode *ic)
+static void
+genFarFarAssign (operand * result, operand * right, iCode * ic)
{
- int size = AOP_SIZE(right);
+ int size = AOP_SIZE (right);
int offset = 0;
- char *l ;
+ char *l;
/* first push the right side on to the stack */
- while (size--) {
- l = aopGet(AOP(right),offset++);
- MOVA(l);
- emitcode ("push","acc");
- }
+ while (size--)
+ {
+ l = aopGet (AOP (right), offset++);
+ MOVA (l);
+ emitcode ("push", "acc");
+ }
- freeAsmop(right,NULL,ic,FALSE);
+ freeAsmop (right, NULL, ic, FALSE);
/* now assign DPTR to result */
- aopOp(result,ic,FALSE);
- size = AOP_SIZE(result);
- while (size--) {
- emitcode ("pop","acc");
- aopPut(AOP(result),"a",--offset);
- }
- freeAsmop(result,NULL,ic,FALSE);
+ aopOp (result, ic, FALSE);
+ size = AOP_SIZE (result);
+ while (size--)
+ {
+ emitcode ("pop", "acc");
+ aopPut (AOP (result), "a", --offset);
+ }
+ freeAsmop (result, NULL, ic, FALSE);
}
/*-----------------------------------------------------------------*/
/* genAssign - generate code for assignment */
/*-----------------------------------------------------------------*/
-static void genAssign (iCode *ic)
+static void
+genAssign (iCode * ic)
{
operand *result, *right;
- int size, offset ;
+ int size, offset;
unsigned long lit = 0L;
- result = IC_RESULT(ic);
- right = IC_RIGHT(ic) ;
+ result = IC_RESULT (ic);
+ right = IC_RIGHT (ic);
/* if they are the same */
- if (operandsEqu (IC_RESULT(ic),IC_RIGHT(ic)))
- return ;
+ if (operandsEqu (IC_RESULT (ic), IC_RIGHT (ic)))
+ return;
- aopOp(right,ic,FALSE);
+ aopOp (right, ic, FALSE);
/* special case both in far space */
- if (AOP_TYPE(right) == AOP_DPTR &&
- IS_TRUE_SYMOP(result) &&
- isOperandInFarSpace(result)) {
+ if (AOP_TYPE (right) == AOP_DPTR &&
+ IS_TRUE_SYMOP (result) &&
+ isOperandInFarSpace (result))
+ {
- genFarFarAssign (result,right,ic);
- return ;
- }
+ genFarFarAssign (result, right, ic);
+ return;
+ }
- aopOp(result,ic,TRUE);
+ aopOp (result, ic, TRUE);
/* if they are the same registers */
- if (sameRegs(AOP(right),AOP(result)))
+ if (sameRegs (AOP (right), AOP (result)))
goto release;
/* if the result is a bit */
- if (AOP_TYPE(result) == AOP_CRY) {
+ 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) {
- if (((int) operandLitValue(right)))
- aopPut(AOP(result),one,0);
- else
- aopPut(AOP(result),zero,0);
+ /* if the right size is a literal then
+ we know what the value is */
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ if (((int) operandLitValue (right)))
+ aopPut (AOP (result), one, 0);
+ else
+ aopPut (AOP (result), zero, 0);
+ goto release;
+ }
+
+ /* the right is also a bit variable */
+ if (AOP_TYPE (right) == AOP_CRY)
+ {
+ emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
+ aopPut (AOP (result), "c", 0);
+ goto release;
+ }
+
+ /* we need to or */
+ toBoolean (right, "", 0);
+ aopPut (AOP (result), "a", 0);
goto release;
}
- /* the right is also a bit variable */
- if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- aopPut(AOP(result),"c",0);
- goto release ;
- }
-
- /* we need to or */
- toBoolean(right,"",0);
- 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);
- if((size > 1) &&
- (AOP_TYPE(result) != AOP_REG) &&
- (AOP_TYPE(right) == AOP_LIT) &&
- !IS_FLOAT(operandType(right)) &&
- (lit < 256L)){
- emitcode("clr","a");
- while (size--) {
- if((unsigned int)((lit >> (size*8)) & 0x0FFL)== 0)
- aopPut(AOP(result),"a",size);
- else
- aopPut(AOP(result),
- aopGet(AOP(right),size),
- size);
- }
- } else {
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
- offset++;
+ size = AOP_SIZE (result);
+ offset = 0;
+ if (AOP_TYPE (right) == AOP_LIT)
+ lit = (unsigned long) floatFromVal (AOP (right)->aopu.aop_lit);
+ if ((size > 1) &&
+ (AOP_TYPE (result) != AOP_REG) &&
+ (AOP_TYPE (right) == AOP_LIT) &&
+ !IS_FLOAT (operandType (right)) &&
+ (lit < 256L))
+ {
+ emitcode ("clr", "a");
+ while (size--)
+ {
+ if ((unsigned int) ((lit >> (size * 8)) & 0x0FFL) == 0)
+ aopPut (AOP (result), "a", size);
+ else
+ aopPut (AOP (result),
+ aopGet (AOP (right), size),
+ size);
+ }
+ }
+ else
+ {
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset),
+ offset);
+ offset++;
+ }
}
- }
- release:
- freeAsmop (right,NULL,ic,FALSE);
- freeAsmop (result,NULL,ic,TRUE);
+release:
+ freeAsmop (right, NULL, ic, FALSE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genJumpTab - genrates code for jump table */
/*-----------------------------------------------------------------*/
-static void genJumpTab (iCode *ic)
+static void
+genJumpTab (iCode * ic)
{
symbol *jtab;
char *l;
- aopOp(IC_JTCOND(ic),ic,FALSE);
+ aopOp (IC_JTCOND (ic), ic, FALSE);
/* get the condition into accumulator */
- l = aopGet(AOP(IC_JTCOND(ic)),0);
- MOVA(l);
+ l = aopGet (AOP (IC_JTCOND (ic)), 0);
+ MOVA (l);
/* multiply by three */
- emitcode("add","a,acc");
- emitcode("add","a,%s",aopGet(AOP(IC_JTCOND(ic)),0));
- freeAsmop(IC_JTCOND(ic),NULL,ic,TRUE);
-
- jtab = newiTempLabel(NULL);
- emitcode("mov","dptr,#%05d$",jtab->key+100);
- emitcode("jmp","@a+dptr");
- emitcode("","%05d$:",jtab->key+100);
+ emitcode ("add", "a,acc");
+ emitcode ("add", "a,%s", aopGet (AOP (IC_JTCOND (ic)), 0));
+ freeAsmop (IC_JTCOND (ic), NULL, ic, TRUE);
+
+ jtab = newiTempLabel (NULL);
+ emitcode ("mov", "dptr,#%05d$", jtab->key + 100);
+ emitcode ("jmp", "@a+dptr");
+ emitcode ("", "%05d$:", jtab->key + 100);
/* now generate the jump labels */
- for (jtab = setFirstItem(IC_JTLABELS(ic)) ; jtab;
- jtab = setNextItem(IC_JTLABELS(ic)))
- emitcode("ljmp","%05d$",jtab->key+100);
+ for (jtab = setFirstItem (IC_JTLABELS (ic)); jtab;
+ jtab = setNextItem (IC_JTLABELS (ic)))
+ emitcode ("ljmp", "%05d$", jtab->key + 100);
}
/*-----------------------------------------------------------------*/
/* genCast - gen code for casting */
/*-----------------------------------------------------------------*/
-static void genCast (iCode *ic)
+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 ;
+ 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;
/* if they are equivalent then do nothing */
- if (operandsEqu(IC_RESULT(ic),IC_RIGHT(ic)))
- return ;
+ if (operandsEqu (IC_RESULT (ic), IC_RIGHT (ic)))
+ return;
- aopOp(right,ic,FALSE) ;
- aopOp(result,ic,FALSE);
+ aopOp (right, ic, FALSE);
+ aopOp (result, ic, FALSE);
/* 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) {
- if (((int) operandLitValue(right)))
- aopPut(AOP(result),one,0);
- else
- aopPut(AOP(result),zero,0);
-
+ 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)
+ {
+ if (((int) operandLitValue (right)))
+ aopPut (AOP (result), one, 0);
+ else
+ aopPut (AOP (result), zero, 0);
+
+ goto release;
+ }
+
+ /* the right is also a bit variable */
+ if (AOP_TYPE (right) == AOP_CRY)
+ {
+ emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
+ aopPut (AOP (result), "c", 0);
+ goto release;
+ }
+
+ /* we need to or */
+ toBoolean (right, "", 0);
+ aopPut (AOP (result), "a", 0);
goto release;
}
- /* the right is also a bit variable */
- if (AOP_TYPE(right) == AOP_CRY) {
- emitcode("mov","c,%s",AOP(right)->aopu.aop_dir);
- aopPut(AOP(result),"c",0);
- goto release ;
- }
-
- /* we need to or */
- toBoolean(right,"",0);
- aopPut(AOP(result),"a",0);
- goto release ;
- }
-
/* if they are the same size : or less */
- if (AOP_SIZE(result) <= AOP_SIZE(right)) {
+ if (AOP_SIZE (result) <= AOP_SIZE (right))
+ {
- /* if they are in the same place */
- if (sameRegs(AOP(right),AOP(result)))
- goto release;
+ /* if they are in the same place */
+ if (sameRegs (AOP (right), AOP (result)))
+ goto release;
- /* if they in different places then copy */
- size = AOP_SIZE(result);
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
- offset++;
+ /* if they in different places then copy */
+ size = AOP_SIZE (result);
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset),
+ offset);
+ offset++;
+ }
+ goto release;
}
- goto release;
- }
/* if the result is of type pointer */
- if (IS_PTR(ctype)) {
-
- int p_type;
- sym_link *type = operandType(right);
- sym_link *etype = getSpec(type);
-
- /* pointer to generic pointer */
- if (IS_GENPTR(ctype)) {
- char *l = zero;
-
- if (IS_PTR(type))
- p_type = DCL_TYPE(type);
- else {
- /* we have to go by the storage class */
- p_type = PTR_TYPE(SPEC_OCLS(etype));
- }
-
- /* the first two bytes are known */
- size = GPTRSIZE - 1;
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
- offset++;
- }
- /* the last byte depending on type */
- switch (p_type) {
- case IPOINTER:
- case POINTER:
- l = zero;
- break;
- case FPOINTER:
- l = one;
- break;
- case CPOINTER:
- l = "#0x02";
- break;
- case PPOINTER:
- l = "#0x03";
- break;
-
- default:
- /* this should never happen */
- werror(E_INTERNAL_ERROR,__FILE__,__LINE__,
- "got unknown pointer type");
- exit(1);
- }
- aopPut(AOP(result),l, GPTRSIZE - 1);
- goto release ;
- }
+ if (IS_PTR (ctype))
+ {
- /* just copy the pointers */
- size = AOP_SIZE(result);
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
- offset++;
+ int p_type;
+ sym_link *type = operandType (right);
+ sym_link *etype = getSpec (type);
+
+ /* pointer to generic pointer */
+ if (IS_GENPTR (ctype))
+ {
+ char *l = zero;
+
+ if (IS_PTR (type))
+ p_type = DCL_TYPE (type);
+ else
+ {
+ /* we have to go by the storage class */
+ p_type = PTR_TYPE (SPEC_OCLS (etype));
+ }
+
+ /* the first two bytes are known */
+ size = GPTRSIZE - 1;
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset),
+ offset);
+ offset++;
+ }
+ /* the last byte depending on type */
+ switch (p_type)
+ {
+ case IPOINTER:
+ case POINTER:
+ l = zero;
+ break;
+ case FPOINTER:
+ l = one;
+ break;
+ case CPOINTER:
+ l = "#0x02";
+ break;
+ case PPOINTER:
+ l = "#0x03";
+ break;
+
+ default:
+ /* this should never happen */
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "got unknown pointer type");
+ exit (1);
+ }
+ aopPut (AOP (result), l, GPTRSIZE - 1);
+ goto release;
+ }
+
+ /* just copy the pointers */
+ size = AOP_SIZE (result);
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset),
+ offset);
+ offset++;
+ }
+ goto release;
}
- goto release ;
- }
/* so we now know that the size of destination is greater
than the size of the source */
/* we move to result for the size of source */
- size = AOP_SIZE(right);
- offset = 0 ;
- while (size--) {
- aopPut(AOP(result),
- aopGet(AOP(right),offset),
- offset);
- offset++;
- }
+ size = AOP_SIZE (right);
+ offset = 0;
+ while (size--)
+ {
+ aopPut (AOP (result),
+ aopGet (AOP (right), offset),
+ offset);
+ offset++;
+ }
/* now depending on the sign of the source && destination */
- size = AOP_SIZE(result) - AOP_SIZE(right);
+ size = AOP_SIZE (result) - AOP_SIZE (right);
/* if unsigned or not an integral type */
- if (SPEC_USIGN(rtype) || !IS_SPEC(rtype)) {
- while (size--)
- aopPut(AOP(result),zero,offset++);
- } else {
- /* we need to extend the sign :{ */
- char *l = aopGet(AOP(right),AOP_SIZE(right) - 1);
- MOVA(l);
- emitcode("rlc","a");
- emitcode("subb","a,acc");
- while (size--)
- aopPut(AOP(result),"a",offset++);
- }
+ if (SPEC_USIGN (rtype) || !IS_SPEC (rtype))
+ {
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ }
+ else
+ {
+ /* we need to extend the sign :{ */
+ char *l = aopGet (AOP (right), AOP_SIZE (right) - 1);
+ MOVA (l);
+ emitcode ("rlc", "a");
+ emitcode ("subb", "a,acc");
+ while (size--)
+ aopPut (AOP (result), "a", offset++);
+ }
/* we are done hurray !!!! */
- release:
- freeAsmop(right,NULL,ic,TRUE);
- freeAsmop(result,NULL,ic,TRUE);
+release:
+ freeAsmop (right, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* genDjnz - generate decrement & jump if not zero instrucion */
/*-----------------------------------------------------------------*/
-static int genDjnz (iCode *ic, iCode *ifx)
+static int
+genDjnz (iCode * ic, iCode * ifx)
{
symbol *lbl, *lbl1;
if (!ifx)
/* if the if condition has a false label
then we cannot save */
- if (IC_FALSE(ifx))
+ if (IC_FALSE (ifx))
return 0;
/* if the minus is not of the form
a = a - 1 */
- if (!isOperandEqual(IC_RESULT(ic),IC_LEFT(ic)) ||
- !IS_OP_LITERAL(IC_RIGHT(ic)))
+ if (!isOperandEqual (IC_RESULT (ic), IC_LEFT (ic)) ||
+ !IS_OP_LITERAL (IC_RIGHT (ic)))
return 0;
- if (operandLitValue(IC_RIGHT(ic)) != 1)
+ if (operandLitValue (IC_RIGHT (ic)) != 1)
return 0;
/* if the size of this greater than one then no
saving */
- if (getSize(operandType(IC_RESULT(ic))) > 1)
+ if (getSize (operandType (IC_RESULT (ic))) > 1)
return 0;
/* otherwise we can save BIG */
- lbl = newiTempLabel(NULL);
- lbl1= newiTempLabel(NULL);
-
- aopOp(IC_RESULT(ic),ic,FALSE);
-
- if (IS_AOP_PREG(IC_RESULT(ic))) {
- emitcode("dec","%s",
- aopGet(AOP(IC_RESULT(ic)),0));
- emitcode("mov","a,%s",aopGet(AOP(IC_RESULT(ic)),0));
- emitcode("jnz","%05d$",lbl->key+100);
- } else {
- emitcode ("djnz","%s,%05d$",aopGet(AOP(IC_RESULT(ic)),0),
- lbl->key+100);
- }
- emitcode ("sjmp","%05d$",lbl1->key+100);
- emitcode ("","%05d$:",lbl->key+100);
- emitcode ("ljmp","%05d$",IC_TRUE(ifx)->key+100);
- emitcode ("","%05d$:",lbl1->key+100);
+ lbl = newiTempLabel (NULL);
+ lbl1 = newiTempLabel (NULL);
+
+ aopOp (IC_RESULT (ic), ic, FALSE);
+
+ if (IS_AOP_PREG (IC_RESULT (ic)))
+ {
+ emitcode ("dec", "%s",
+ aopGet (AOP (IC_RESULT (ic)), 0));
+ emitcode ("mov", "a,%s", aopGet (AOP (IC_RESULT (ic)), 0));
+ emitcode ("jnz", "%05d$", lbl->key + 100);
+ }
+ else
+ {
+ emitcode ("djnz", "%s,%05d$", aopGet (AOP (IC_RESULT (ic)), 0),
+ lbl->key + 100);
+ }
+ emitcode ("sjmp", "%05d$", lbl1->key + 100);
+ emitcode ("", "%05d$:", lbl->key + 100);
+ emitcode ("ljmp", "%05d$", IC_TRUE (ifx)->key + 100);
+ emitcode ("", "%05d$:", lbl1->key + 100);
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
ifx->generated = 1;
return 1;
}
static char *recvregs[8] =
{
- "r16","r17","r18","r19","r20","r21","r22","r23"
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23"
};
static recvCnt = 0;
/*-----------------------------------------------------------------*/
/* genReceive - generate code for a receive iCode */
/*-----------------------------------------------------------------*/
-static void genReceive (iCode *ic)
+static void
+genReceive (iCode * ic)
{
- int size , offset =0;
- aopOp(IC_RESULT(ic),ic,FALSE);
- size = AOP_SIZE(IC_RESULT(ic));
- while (size--) {
- aopPut(AOP(IC_RESULT(ic)),recvregs[recvCnt++],offset);
- offset++;
- }
- freeAsmop(IC_RESULT(ic),NULL,ic,TRUE);
+ int size, offset = 0;
+ aopOp (IC_RESULT (ic), ic, FALSE);
+ size = AOP_SIZE (IC_RESULT (ic));
+ while (size--)
+ {
+ aopPut (AOP (IC_RESULT (ic)), recvregs[recvCnt++], offset);
+ offset++;
+ }
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
/* gen51Code - generate code for 8051 based controllers */
/*-----------------------------------------------------------------*/
-void genAVRCode (iCode *lic)
+void
+genAVRCode (iCode * lic)
{
iCode *ic;
int cln = 0;
lineHead = lineCurr = NULL;
- recvCnt =0;
+ recvCnt = 0;
/* print the allocation information */
if (allocInfo)
- printAllocInfo( currFunc, codeOutFile);
+ printAllocInfo (currFunc, codeOutFile);
/* if debug information required */
/* if (options.debug && currFunc) { */
- if (currFunc) {
- cdbSymbol(currFunc,cdbFile,FALSE,TRUE);
- _G.debugLine = 1;
- if (IS_STATIC(currFunc->etype))
- emitcode("","F%s$%s$0$0 ==.",moduleName,currFunc->name);
- else
- emitcode("","G$%s$0$0 ==.",currFunc->name);
- _G.debugLine = 0;
- }
+ if (currFunc)
+ {
+ cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
+ _G.debugLine = 1;
+ emitcode("",".type %s,@function",currFunc->name);
+ _G.debugLine = 0;
+ }
/* stack pointer name */
- if (options.useXstack)
- spname = "_spx";
- else
- spname = "sp";
-
-
- for (ic = lic ; ic ; ic = ic->next ) {
-
- if ( cln != ic->lineno ) {
- if ( options.debug ) {
- _G.debugLine = 1;
- emitcode("","C$%s$%d$%d$%d ==.",
- ic->filename,ic->lineno,
- ic->level,ic->block);
- _G.debugLine = 0;
- }
- emitcode(";","%s %d",ic->filename,ic->lineno);
- cln = ic->lineno ;
- }
- /* if the result is marked as
- spilt and rematerializable or code for
- this has already been generated then
- do nothing */
- if (resultRemat(ic) || ic->generated )
- continue ;
-
- /* depending on the operation */
- switch (ic->op) {
- case '!' :
- genNot(ic);
- break;
-
- case '~' :
- genCpl(ic);
- break;
-
- case UNARYMINUS:
- genUminus (ic);
- break;
-
- case IPUSH:
- genIpush (ic);
- break;
-
- case IPOP:
- /* IPOP happens only when trying to restore a
- spilt live range, if there is an ifx statement
- following this pop then the if statement might
- be using some of the registers being popped which
- would destory the contents of the register so
- we need to check for this condition and handle it */
- if (ic->next &&
- ic->next->op == IFX &&
- regsInCommon(IC_LEFT(ic),IC_COND(ic->next)))
- genIfx (ic->next,ic);
- else
- genIpop (ic);
- break;
-
- case CALL:
- genCall (ic);
- break;
-
- case PCALL:
- genPcall (ic);
- break;
+ spname = "sp";
- case FUNCTION:
- genFunction (ic);
- break;
-
- case ENDFUNCTION:
- genEndFunction (ic);
- break;
-
- case RETURN:
- genRet (ic);
- break;
-
- case LABEL:
- genLabel (ic);
- break;
-
- case GOTO:
- genGoto (ic);
- break;
-
- case '+' :
- genPlus (ic) ;
- break;
-
- case '-' :
- if ( ! genDjnz (ic,ifxForOp(IC_RESULT(ic),ic)))
- genMinus (ic);
- break;
-
- case '*' :
- genMult (ic);
- break;
-
- case '/' :
- genDiv (ic) ;
- break;
-
- case '%' :
- genMod (ic);
- break;
-
- case '>' :
- genCmpGt (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case '<' :
- genCmpLt (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case LE_OP:
- genCmpLe (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case GE_OP:
- genCmpGe (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case NE_OP:
- genCmpNe (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case EQ_OP:
- genCmpEq (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case AND_OP:
- genAndOp (ic);
- break;
-
- case OR_OP:
- genOrOp (ic);
- break;
-
- case '^' :
- genXor (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case '|' :
- genOr (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case BITWISEAND:
- genAnd (ic,ifxForOp(IC_RESULT(ic),ic));
- break;
-
- case INLINEASM:
- genInline (ic);
- break;
-
- case RRC:
- genRRC (ic);
- break;
-
- case RLC:
- genRLC (ic);
- break;
-
- case GETHBIT:
- genGetHbit (ic);
- break;
-
- case LEFT_OP:
- genLeftShift (ic);
- break;
-
- case RIGHT_OP:
- genRightShift (ic);
- break;
- case GET_VALUE_AT_ADDRESS:
- genPointerGet(ic);
- break;
+ for (ic = lic; ic; ic = ic->next)
+ {
- case '=' :
- if (POINTER_SET(ic))
- genPointerSet(ic);
- else
- genAssign(ic);
- break;
+ if (cln != ic->lineno)
+ {
+ if (options.debug)
+ {
+ _G.debugLine = 1;
+ emitcode ("", "C$%s$%d$%d$%d ==.",
+ FileBaseName (ic->filename), ic->lineno,
+ ic->level, ic->block);
+ _G.debugLine = 0;
+ }
+ emitcode (";", "%s %d", ic->filename, ic->lineno);
+ cln = ic->lineno;
+ }
+ /* if the result is marked as
+ spilt and rematerializable or code for
+ this has already been generated then
+ do nothing */
+ if (resultRemat (ic) || ic->generated)
+ continue;
+
+ /* depending on the operation */
+ switch (ic->op)
+ {
+ case '!':
+ genNot (ic);
+ break;
+
+ case '~':
+ genCpl (ic);
+ break;
+
+ case UNARYMINUS:
+ genUminus (ic);
+ break;
+
+ case IPUSH:
+ genIpush (ic);
+ break;
+
+ case IPOP:
+ /* IPOP happens only when trying to restore a
+ spilt live range, if there is an ifx statement
+ following this pop then the if statement might
+ be using some of the registers being popped which
+ would destory the contents of the register so
+ we need to check for this condition and handle it */
+ if (ic->next &&
+ ic->next->op == IFX &&
+ regsInCommon (IC_LEFT (ic), IC_COND (ic->next)))
+ genIfx (ic->next, ic);
+ else
+ genIpop (ic);
+ break;
+
+ case CALL:
+ genCall (ic);
+ break;
+
+ case PCALL:
+ genPcall (ic);
+ break;
+
+ case FUNCTION:
+ genFunction (ic);
+ break;
+
+ case ENDFUNCTION:
+ genEndFunction (ic);
+ break;
+
+ case RETURN:
+ genRet (ic);
+ break;
+
+ case LABEL:
+ genLabel (ic);
+ break;
+
+ case GOTO:
+ genGoto (ic);
+ break;
+
+ case '+':
+ genPlus (ic);
+ break;
+
+ case '-':
+ if (!genDjnz (ic, ifxForOp (IC_RESULT (ic), ic)))
+ genMinus (ic);
+ break;
+
+ case '*':
+ genMult (ic);
+ break;
+
+ case '/':
+ genDiv (ic);
+ break;
+
+ case '%':
+ genMod (ic);
+ break;
+
+ case '>':
+ genCmpGt (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case '<':
+ genCmpLt (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case LE_OP:
+ genCmpLe (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case GE_OP:
+ genCmpGe (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case NE_OP:
+ genCmpNe (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case EQ_OP:
+ genCmpEq (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case AND_OP:
+ genAndOp (ic);
+ break;
+
+ case OR_OP:
+ genOrOp (ic);
+ break;
+
+ case '^':
+ genXor (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case '|':
+ genOr (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case BITWISEAND:
+ genAnd (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
+ case INLINEASM:
+ genInline (ic);
+ break;
+
+ case RRC:
+ genRRC (ic);
+ break;
+
+ case RLC:
+ genRLC (ic);
+ break;
+
+ case GETHBIT:
+ genGetHbit (ic);
+ break;
+
+ case LEFT_OP:
+ genLeftShift (ic);
+ break;
+
+ case RIGHT_OP:
+ genRightShift (ic);
+ break;
+
+ case GET_VALUE_AT_ADDRESS:
+ genPointerGet (ic);
+ break;
+
+ case '=':
+ if (POINTER_SET (ic))
+ genPointerSet (ic);
+ else
+ genAssign (ic);
+ break;
- case IFX:
- genIfx (ic,NULL);
- break;
+ case IFX:
+ genIfx (ic, NULL);
+ break;
- case ADDRESS_OF:
- genAddrOf (ic);
- break;
+ case ADDRESS_OF:
+ genAddrOf (ic);
+ break;
- case JUMPTABLE:
- genJumpTab (ic);
- break;
+ case JUMPTABLE:
+ genJumpTab (ic);
+ break;
- case CAST:
- genCast (ic);
- break;
+ case CAST:
+ genCast (ic);
+ break;
- case RECEIVE:
- genReceive(ic);
- break;
+ case RECEIVE:
+ genReceive (ic);
+ break;
- case SEND:
- addSet(&_G.sendSet,ic);
- break;
+ case SEND:
+ addSet (&_G.sendSet, ic);
+ break;
- default :
- ic = ic;
- /* piCode(ic,stdout); */
+ default:
+ ic = ic;
+ /* piCode(ic,stdout); */
+ }
}
- }
/* now we are ready to call the
peepHole (&lineHead);
/* now do the actual printing */
- printLine (lineHead,codeOutFile);
+ printLine (lineHead, codeOutFile);
return;
}