#include <string.h>
#include <ctype.h>
-#include <common.h>
+#include "common.h"
+#include "main.h"
#include "ralloc.h"
#include "gen.h"
#include "SDCCglobl.h"
#include "newalloc.h"
-#ifdef HAVE_SYS_ISA_DEFS_H
-#include <sys/isa_defs.h>
-#else
-#ifdef HAVE_MACHINE_ENDIAN_H
-#include <machine/endian.h>
-#else
-#ifdef HAVE_ENDIAN_H
-#include <endian.h>
-#else
-#if !defined(__BORLANDC__) && !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-#warning "Cannot determine ENDIANESS of this machine assuming LITTLE_ENDIAN"
-#warning "If you running sdcc on an INTEL 80x86 Platform you are okay"
-#endif
-#endif
-#endif
-#endif
-
#define BETTER_LITERAL_SHIFT
char *aopLiteral (value * val, int offset);
short dptrInUse;
short dptr1InUse;
set *sendSet;
+ iCode *current_iCode;
}
_G;
(IC_RESULT(x) && IC_RESULT(x)->aop && \
IC_RESULT(x)->aop->type == AOP_STK )
-/* #define MOVA(x) if (strcmp(x,"a") && strcmp(x,"acc")) emitcode("mov","a,%s",x); */
-#define MOVA(x) { char *_mova_tmp = strdup(x); \
- if (strcmp(_mova_tmp,"a") && strcmp(_mova_tmp,"acc")) \
- { \
- emitcode("mov","a,%s",_mova_tmp); \
- } \
- free(_mova_tmp); \
- }
+#define MOVA(x) _movA(x)
+#define MOVB(x) _movB(x)
+
#define CLRC emitcode("clr","c")
#define SETC emitcode("setb","c")
emitcode ("","!tlabeldef",lbl->key+100); \
}}
+static int _currentDPS; /* Current processor DPS. */
+static int _desiredDPS; /* DPS value compiler thinks we should be using. */
+static int _lazyDPS = 0; /* if non-zero, we are doing lazy evaluation of DPS changes. */
/*-----------------------------------------------------------------*/
/* emitcode - writes the code into a file : for now it is simple */
static void
emitcode (char *inst, char *fmt,...)
{
- va_list ap;
- char lb[INITIAL_INLINEASM];
- char *lbp = lb;
+ va_list ap;
+ char lb[INITIAL_INLINEASM];
+ char *lbp = lb;
+
+ va_start (ap, fmt);
+
+ if (inst && *inst)
+ {
+ if (fmt && *fmt)
+ {
+ SNPRINTF (lb, sizeof(lb), "%s\t", inst);
+ }
+ else
+ {
+ SNPRINTF (lb, sizeof(lb), "%s", inst);
+ }
+
+ tvsprintf (lb + strlen(lb), sizeof(lb) - strlen(lb),
+ fmt, ap);
+ }
+ else
+ {
+ tvsprintf (lb, sizeof(lb), fmt, ap);
+ }
+
- va_start (ap, fmt);
+ while (isspace (*lbp))
+ {
+ lbp++;
+ }
- if (inst && *inst)
+ if (lbp && *lbp)
{
- if (fmt && *fmt)
- sprintf (lb, "%s\t", inst);
- else
- sprintf (lb, "%s", inst);
- tvsprintf (lb + (strlen (lb)), fmt, ap);
+ lineCurr = (lineCurr ?
+ connectLine (lineCurr, newLineNode (lb)) :
+ (lineHead = newLineNode (lb)));
}
- else
- tvsprintf (lb, fmt, ap);
+
+ lineCurr->isInline = _G.inLine;
+ lineCurr->isDebug = _G.debugLine;
+ lineCurr->ic = _G.current_iCode;
+ lineCurr->aln = ds390newAsmLineNode(_currentDPS);
+ va_end (ap);
+}
- while (isspace (*lbp))
- lbp++;
+//
+// Move the passed value into A unless it is already there.
+//
+static void
+_movA(const char *s)
+{
+ if (strcmp(s,"a") && strcmp(s,"acc"))
+ {
+ emitcode("mov","a,%s",s);
+ }
+}
- if (lbp && *lbp)
- lineCurr = (lineCurr ?
- connectLine (lineCurr, newLineNode (lb)) :
- (lineHead = newLineNode (lb)));
- lineCurr->isInline = _G.inLine;
- lineCurr->isDebug = _G.debugLine;
- va_end (ap);
+//
+// Move the passed value into B unless it is already there.
+//
+static void
+_movB(const char *s)
+{
+ if (strcmp(s,"b"))
+ {
+ emitcode("mov","b,%s",s);
+ }
}
/*-----------------------------------------------------------------*/
static regs *
getFreePtr (iCode * ic, asmop ** aopp, bool result)
{
- bool r0iu = FALSE, r1iu = FALSE;
- bool r0ou = FALSE, r1ou = FALSE;
+ bool r0iu, r1iu;
+ bool r0ou, r1ou;
/* the logic: if r0 & r1 used in the instruction
then we are in trouble otherwise */
werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
"getFreePtr should never reach here");
exit (1);
+
+ return NULL; // notreached, but makes compiler happy.
}
/*-----------------------------------------------------------------*/
return aop;
}
-static int _currentDPS; /* Current processor DPS. */
-static int _desiredDPS; /* DPS value compiler thinks we should be using. */
-static int _lazyDPS = 0; /* if non-zero, we are doing lazy evaluation of DPS changes. */
/*-----------------------------------------------------------------*/
/* genSetDPTR: generate code to select which DPTR is in use (zero */
}
+/*-----------------------------------------------------------------*/
+/* leftRightUseAcc - returns size of accumulator use by operands */
+/*-----------------------------------------------------------------*/
+static int
+leftRightUseAcc(iCode *ic)
+{
+ operand *op;
+ int size;
+ int accuseSize = 0;
+ int accuse = 0;
+
+ if (!ic)
+ {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "null iCode pointer");
+ return 0;
+ }
+
+ if (ic->op == IFX)
+ {
+ op = IC_COND (ic);
+ if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+ {
+ accuse = 1;
+ size = getSize (OP_SYMBOL (op)->type);
+ if (size>accuseSize)
+ accuseSize = size;
+ }
+ }
+ else if (ic->op == JUMPTABLE)
+ {
+ op = IC_JTCOND (ic);
+ if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+ {
+ accuse = 1;
+ size = getSize (OP_SYMBOL (op)->type);
+ if (size>accuseSize)
+ accuseSize = size;
+ }
+ }
+ else
+ {
+ op = IC_LEFT (ic);
+ if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+ {
+ accuse = 1;
+ size = getSize (OP_SYMBOL (op)->type);
+ if (size>accuseSize)
+ accuseSize = size;
+ }
+ op = IC_RIGHT (ic);
+ if (IS_SYMOP (op) && OP_SYMBOL (op) && OP_SYMBOL (op)->accuse)
+ {
+ accuse = 1;
+ size = getSize (OP_SYMBOL (op)->type);
+ if (size>accuseSize)
+ accuseSize = size;
+ }
+ }
+
+ if (accuseSize)
+ return accuseSize;
+ else
+ return accuse;
+}
+
/*-----------------------------------------------------------------*/
/* aopForSym - for a true symbol */
/*-----------------------------------------------------------------*/
{
asmop *aop;
memmap *space = SPEC_OCLS (sym->etype);
+ int accuse = leftRightUseAcc (ic);
/* if already has one */
if (sym->aop)
- return sym->aop;
+ {
+ if ((sym->aop->type == AOP_DPTR && useDP2)
+ || (sym->aop->type == AOP_DPTR2 && !useDP2))
+ sym->aop = NULL;
+ else
+ return sym->aop;
+ }
/* assign depending on the storage class */
/* if it is on the stack or indirectly addressable */
if (sym->onStack)
{
- if (_G.accInUse)
+ if (_G.accInUse || accuse)
emitcode ("push", "acc");
- if (_G.bInUse)
+ if (_G.bInUse || (accuse>1))
emitcode ("push", "b");
emitcode ("mov", "a,_bp");
emitcode ("mov", "%s,a",
aop->aopu.aop_ptr->name);
- if (_G.bInUse)
+ if (_G.bInUse || (accuse>1))
emitcode ("pop", "b");
- if (_G.accInUse)
+ if (_G.accInUse || accuse)
emitcode ("pop", "acc");
}
else
if (stack_val < 0 && stack_val > -5) { /* between -5 & -1 */
if (useDP2) {
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx1,#!constbyte", (options.stack_loc >> 16) & 0xff);
- TR_DPTR("#2");
+ {
+ emitcode ("mov", "dpx1,#!constbyte",
+ (options.stack_loc >> 16) & 0xff);
+ }
emitcode ("mov", "dph1,_bpx+1");
+
emitcode ("mov", "dpl1,_bpx");
emitcode ("mov","dps,#1");
} else {
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,#!constbyte", (options.stack_loc >> 16) & 0xff);
+ {
+ emitcode ("mov", "dpx,#!constbyte",
+ (options.stack_loc >> 16) & 0xff);
+ }
emitcode ("mov", "dph,_bpx+1");
emitcode ("mov", "dpl,_bpx");
}
emitcode("mov","dps,#0");
}
} else {
- if (_G.accInUse)
+ if (_G.accInUse || accuse)
emitcode ("push", "acc");
- if (_G.bInUse)
+ if (_G.bInUse || (accuse>1))
emitcode ("push", "b");
emitcode ("mov", "a,_bpx");
emitcode ("subb","a,#!constbyte",(stack_val >> 8) & 0xff);
if (useDP2) {
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx1,#!constbyte", (options.stack_loc >> 16) & 0xff);
- TR_DPTR("#2");
+ {
+ emitcode ("mov", "dpx1,#!constbyte",
+ (options.stack_loc >> 16) & 0xff);
+ }
emitcode ("mov", "dph1,a");
emitcode ("mov", "dpl1,b");
} else {
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,#!constbyte", (options.stack_loc >> 16) & 0xff);
+ {
+ emitcode ("mov", "dpx,#!constbyte",
+ (options.stack_loc >> 16) & 0xff);
+ }
emitcode ("mov", "dph,a");
emitcode ("mov", "dpl,b");
}
- if (_G.bInUse)
+ if (_G.bInUse || (accuse>1))
emitcode ("pop", "b");
- if (_G.accInUse)
+ if (_G.accInUse || accuse)
emitcode ("pop", "acc");
}
sym->aop = aop = newAsmop ((short) (useDP2 ? AOP_DPTR2 : AOP_DPTR));
}
/* special case for a function */
- if (IS_FUNC (sym->type))
+ if (IS_FUNC (sym->type) && !(sym->isitmp))
{
sym->aop = aop = newAsmop (AOP_IMMD);
- aop->aopu.aop_immd.aop_immd1 = Safe_calloc (1, strlen (sym->rname) + 1);
- strcpy (aop->aopu.aop_immd.aop_immd1, sym->rname);
+ aop->aopu.aop_immd.aop_immd1 = Safe_strdup(sym->rname);
aop->size = FPTRSIZE;
return aop;
}
-
+
/* only remaining is far space */
/* in which case DPTR gets the address */
sym->aop = aop = newAsmop ((short) (useDP2 ? AOP_DPTR2 : AOP_DPTR));
}
if (val)
- sprintf (buffer, "(%s %c 0x%04x)",
- OP_SYMBOL (IC_LEFT (ic))->rname,
- val >= 0 ? '+' : '-',
- abs (val) & 0xffff);
- else {
+ {
+ SNPRINTF (buffer, sizeof(buffer),
+ "(%s %c 0x%04x)",
+ OP_SYMBOL (IC_LEFT (ic))->rname,
+ val >= 0 ? '+' : '-',
+ abs (val) & 0xffffff);
+ }
+ else
+ {
if (IS_ASSIGN_ICODE(ic) && isOperandLiteral(IC_RIGHT(ic)))
- sprintf(buffer,"0x%x",(int) operandLitValue (IC_RIGHT (ic)));
+ {
+ SNPRINTF(buffer, sizeof(buffer),
+ "0x%x",(int) operandLitValue (IC_RIGHT (ic)));
+ }
else
- strcpy (buffer, OP_SYMBOL (IC_LEFT (ic))->rname);
+ {
+ strncpyz (buffer, OP_SYMBOL (IC_LEFT (ic))->rname, sizeof(buffer));
+ }
}
- aop->aopu.aop_immd.aop_immd1 = Safe_calloc (1, strlen (buffer) + 1);
- strcpy (aop->aopu.aop_immd.aop_immd1, buffer);
+ aop->aopu.aop_immd.aop_immd1 = Safe_strdup(buffer);
/* set immd2 field if required */
- if (aop->aopu.aop_immd.from_cast_remat) {
- tsprintf(buffer,"#!constbyte",ptr_type);
- aop->aopu.aop_immd.aop_immd2 = Safe_calloc (1, strlen (buffer) + 1);
- strcpy (aop->aopu.aop_immd.aop_immd2, buffer);
+ if (aop->aopu.aop_immd.from_cast_remat)
+ {
+ tsprintf(buffer, sizeof(buffer), "#!constbyte",ptr_type);
+ aop->aopu.aop_immd.aop_immd2 = Safe_strdup(buffer);
}
return aop;
(sym2->usl.spillLoc == sym1))
return TRUE;
+ /* are they spilt to the same location */
+ if (IS_ITEMP (op2) &&
+ IS_ITEMP (op1) &&
+ sym2->isspilt &&
+ sym1->isspilt &&
+ (sym1->usl.spillLoc == sym2->usl.spillLoc))
+ return TRUE;
+
return FALSE;
}
/* if already has a asmop then continue */
if (op->aop)
- return;
+ {
+ if ((op->aop->type == AOP_DPTR && useDP2)
+ || (op->aop->type == AOP_DPTR2 && !useDP2))
+ op->aop = NULL;
+ else
+ return;
+ }
/* if the underlying symbol has a aop */
if (IS_SYMOP (op) && OP_SYMBOL (op)->aop)
{
op->aop = OP_SYMBOL (op)->aop;
- return;
+ if ((op->aop->type == AOP_DPTR && useDP2)
+ || (op->aop->type == AOP_DPTR2 && !useDP2))
+ op->aop = NULL;
+ else
+ return;
}
/* if this is a true symbol */
aop->aopu.dptr = sym->dptr;
return ;
}
- /* else spill location */
- if (sym->usl.spillLoc && getSize(sym->type) != getSize(sym->usl.spillLoc->type)) {
- /* force a new aop if sizes differ */
- sym->usl.spillLoc->aop = NULL;
- }
- sym->aop = op->aop = aop =
- aopForSym (ic, sym->usl.spillLoc, result, useDP2);
+
+ if (sym->usl.spillLoc)
+ {
+ if (getSize(sym->type) != getSize(sym->usl.spillLoc->type))
+ {
+ /* force a new aop if sizes differ */
+ sym->usl.spillLoc->aop = NULL;
+ }
+ sym->aop = op->aop = aop =
+ aopForSym (ic, sym->usl.spillLoc, result, useDP2);
+ aop->size = getSize (sym->type);
+ return;
+ }
+
+ /* else must be a dummy iTemp */
+ sym->aop = op->aop = aop = newAsmop (AOP_DUMMY);
aop->size = getSize (sym->type);
return;
}
}
}
-/*------------------------------------------------------------------*/
-/* aopGet - for fetching value of the aop */
-/* */
-/* Set canClobberACC if you are sure it is OK to clobber the value */
-/* in the accumulator. Set it FALSE otherwise; FALSE is always safe, */
-/* just less efficient. */
-/*------------------------------------------------------------------*/
+#define DEFAULT_ACC_WARNING 0
+static int saveAccWarn = DEFAULT_ACC_WARNING;
+
+/*-------------------------------------------------------------------*/
+/* aopGet - for fetching value of the aop */
+/* */
+/* Set saveAcc to NULL if you are sure it is OK to clobber the value */
+/* in the accumulator. Set it to the name of a free register */
+/* if acc must be preserved; the register will be used to preserve */
+/* acc temporarily and to return the result byte. */
+/*-------------------------------------------------------------------*/
static char *
-aopGet (asmop * aop,
- int offset,
- bool bit16,
- bool dname,
- bool canClobberACC)
+aopGet (asmop *aop,
+ int offset,
+ bool bit16,
+ bool dname,
+ char *saveAcc)
{
- char *s = buffer;
- char *rs;
-
/* offset is greater than
size then zero */
if (offset > (aop->size - 1) &&
/* depending on type */
switch (aop->type)
{
+ case AOP_DUMMY:
+ return zero;
case AOP_R0:
case AOP_R1:
emitcode ("movx", "a,@%s", aop->aopu.aop_ptr->name);
return (dname ? "acc" : "a");
}
- sprintf (s, "@%s", aop->aopu.aop_ptr->name);
- rs = Safe_calloc (1, strlen (s) + 1);
- strcpy (rs, s);
- return rs;
+ SNPRINTF (buffer, sizeof(buffer), "@%s", aop->aopu.aop_ptr->name);
+ return Safe_strdup(buffer);
case AOP_DPTRn:
assert(offset <= 3);
if (aop->type == AOP_DPTR2)
{
genSetDPTR (1);
- if (!canClobberACC)
- {
- TR_AP("#1");
- emitcode ("xch", "a, %s", DP2_RESULT_REG);
- }
+ }
+
+ if (saveAcc)
+ {
+ TR_AP("#1");
+// if (aop->type != AOP_DPTR2)
+// {
+// if (saveAccWarn) { fprintf(stderr, "saveAcc for DPTR...\n"); }
+// emitcode(";", "spanky: saveAcc for DPTR");
+// }
+
+ emitcode ("xch", "a, %s", saveAcc);
}
_flushLazyDPS ();
if (aop->type == AOP_DPTR2)
{
genSetDPTR (0);
- if (!canClobberACC)
- {
+ }
+
+ if (saveAcc)
+ {
TR_AP("#2");
- emitcode ("xch", "a, %s", DP2_RESULT_REG);
- return DP2_RESULT_REG;
- }
+ emitcode ("xch", "a, %s", saveAcc);
+// if (strcmp(saveAcc, "_ap"))
+// {
+// emitcode(";", "spiffy: non _ap return from aopGet.");
+// }
+
+ return saveAcc;
}
return (dname ? "acc" : "a");
case AOP_IMMD:
- if (aop->aopu.aop_immd.from_cast_remat && (offset == (aop->size-1))) {
- sprintf(s,"%s",aop->aopu.aop_immd.aop_immd2);
- } else if (bit16)
- sprintf (s, "#%s", aop->aopu.aop_immd.aop_immd1);
- else if (offset) {
+ if (aop->aopu.aop_immd.from_cast_remat && (offset == (aop->size-1)))
+ {
+ SNPRINTF(buffer, sizeof(buffer),
+ "%s",aop->aopu.aop_immd.aop_immd2);
+ }
+ else if (bit16)
+ {
+ SNPRINTF(buffer, sizeof(buffer),
+ "#%s", aop->aopu.aop_immd.aop_immd1);
+ }
+ else if (offset)
+ {
switch (offset) {
case 1:
- tsprintf(s,"#!his",aop->aopu.aop_immd.aop_immd1);
+ tsprintf(buffer, sizeof(buffer),
+ "#!his",aop->aopu.aop_immd.aop_immd1);
break;
case 2:
- tsprintf(s,"#!hihis",aop->aopu.aop_immd.aop_immd1);
+ tsprintf(buffer, sizeof(buffer),
+ "#!hihis",aop->aopu.aop_immd.aop_immd1);
break;
case 3:
- tsprintf(s,"#!hihihis",aop->aopu.aop_immd.aop_immd1);
+ tsprintf(buffer, sizeof(buffer),
+ "#!hihihis",aop->aopu.aop_immd.aop_immd1);
break;
default: /* should not need this (just in case) */
- sprintf (s, "#(%s >> %d)",
+ SNPRINTF (buffer, sizeof(buffer),
+ "#(%s >> %d)",
aop->aopu.aop_immd.aop_immd1,
offset * 8);
}
}
else
- sprintf (s, "#%s",
- aop->aopu.aop_immd.aop_immd1);
- rs = Safe_calloc (1, strlen (s) + 1);
- strcpy (rs, s);
- return rs;
+ {
+ SNPRINTF (buffer, sizeof(buffer),
+ "#%s", aop->aopu.aop_immd.aop_immd1);
+ }
+ return Safe_strdup(buffer);
case AOP_DIR:
if (offset)
- sprintf (s, "(%s + %d)",
+ {
+ SNPRINTF (buffer, sizeof(buffer),
+ "(%s + %d)",
aop->aopu.aop_dir,
offset);
+ }
else
- sprintf (s, "%s", aop->aopu.aop_dir);
- rs = Safe_calloc (1, strlen (s) + 1);
- strcpy (rs, s);
- return rs;
+ {
+ SNPRINTF(buffer, sizeof(buffer),
+ "%s", aop->aopu.aop_dir);
+ }
+
+ return Safe_strdup(buffer);
case AOP_REG:
if (dname)
werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
"aopget got unsupported aop->type");
exit (1);
+
+ return NULL; // not reached, but makes compiler happy.
}
/*-----------------------------------------------------------------*/
/* aopPut - puts a string for a aop */
static void
aopPut (asmop * aop, char *s, int offset)
{
- char *d = buffer;
-
if (aop->size && offset > (aop->size - 1))
{
werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
/* depending on where it is ofcourse */
switch (aop->type)
{
+ case AOP_DUMMY:
+ MOVA (s); /* read s in case it was volatile */
+ break;
+
case AOP_DIR:
- if (offset)
- sprintf (d, "(%s + %d)",
- aop->aopu.aop_dir, offset);
- else
- sprintf (d, "%s", aop->aopu.aop_dir);
-
- if (strcmp (d, s))
- emitcode ("mov", "%s,%s", d, s);
+ if (offset)
+ {
+ SNPRINTF (buffer, sizeof(buffer),
+ "(%s + %d)",
+ aop->aopu.aop_dir, offset);
+ }
+ else
+ {
+ SNPRINTF (buffer, sizeof(buffer),
+ "%s", aop->aopu.aop_dir);
+ }
+
+ if (strcmp (buffer, s))
+ {
+ emitcode ("mov", "%s,%s", buffer, s);
+ }
break;
case AOP_REG:
strcmp (s, "r5") == 0 ||
strcmp (s, "r6") == 0 ||
strcmp (s, "r7") == 0)
- emitcode ("mov", "%s,%s",
- aop->aopu.aop_reg[offset]->dname, s);
- else
- emitcode ("mov", "%s,%s",
- aop->aopu.aop_reg[offset]->name, s);
+ {
+ emitcode ("mov", "%s,%s",
+ aop->aopu.aop_reg[offset]->dname, s);
+ }
+ else
+ {
+ emitcode ("mov", "%s,%s",
+ aop->aopu.aop_reg[offset]->name, s);
+ }
}
break;
strcmp (s, "r6") == 0 ||
strcmp (s, "r7") == 0)
{
- char buffer[10];
- sprintf (buffer, "a%s", s);
+ char buff[10];
+ SNPRINTF(buff, sizeof(buff),
+ "a%s", s);
emitcode ("mov", "@%s,%s",
- aop->aopu.aop_ptr->name, buffer);
+ aop->aopu.aop_ptr->name, buff);
+ }
+ else
+ {
+ emitcode ("mov", "@%s,%s", aop->aopu.aop_ptr->name, s);
}
- else
- emitcode ("mov", "@%s,%s", aop->aopu.aop_ptr->name, s);
-
break;
case AOP_STK:
(x->aopu.aop_reg[0] == ds390_regWithIdx(R0_IDX) || \
x->aopu.aop_reg[0] == ds390_regWithIdx(R1_IDX) )))
#define AOP_INDPTRn(x) (AOP_TYPE(x) == AOP_DPTRn)
-#define AOP_USESDPTR(x) (AOP_TYPE(x) == AOP_DPTR || AOP_TYPE(x) == AOP_STR)
+#define AOP_USESDPTR(x) ((AOP_TYPE(x) == AOP_DPTR) || (AOP_TYPE(x) == AOP_STR))
+#define AOP_USESDPTR2(x) ((AOP_TYPE(x) == AOP_DPTR2) || (AOP_TYPE(x) == AOP_DPTRn))
+
+// The following two macros can be used even if the aop has not yet been aopOp'd.
+#define AOP_IS_STR(x) (IS_SYMOP(x) && OP_SYMBOL(x)->ruonly)
+#define AOP_IS_DPTRn(x) (IS_SYMOP(x) && OP_SYMBOL(x)->dptr)
/* Workaround for DS80C390 bug: div ab may return bogus results
* if A is accessed in instruction immediately before the div.
* thus avoiding touching A right before the div. \
*/ \
D(emitcode(";", "DS80C390 div bug: rearranged ops.");); \
- L = aopGet(AOP(LEFT),0,FALSE,FALSE,TRUE); \
+ L = aopGet(AOP(LEFT),0,FALSE,FALSE,NULL); \
MOVA(L); \
- emitcode("mov","b,%s",aopGet(AOP(RIGHT),0,FALSE,FALSE,FALSE));\
+ L = aopGet(AOP(RIGHT),0,FALSE,FALSE,"b"); \
+ MOVB(L); \
} \
else \
{ \
/* Just stuff in a nop after loading A. */ \
- emitcode("mov","b,%s",aopGet(AOP(RIGHT),0,FALSE,FALSE,FALSE));\
- L = aopGet(AOP(LEFT),0,FALSE,FALSE,TRUE); \
+ emitcode("mov","b,%s",aopGet(AOP(RIGHT),0,FALSE,FALSE,NULL));\
+ L = aopGet(AOP(LEFT),0,FALSE,FALSE,NULL); \
MOVA(L); \
emitcode("nop", "; workaround for DS80C390 div bug."); \
}
-/*-----------------------------------------------------------------*/
-/* genNotFloat - generates not for float operations */
-/*-----------------------------------------------------------------*/
-static void
-genNotFloat (operand * op, operand * res)
-{
- int size, offset;
- char *l;
- symbol *tlbl;
-
- D (emitcode (";", "genNotFloat ");
- );
-
- /* we will put 127 in the first byte of
- the result */
- aopPut (AOP (res), "#127", 0);
- size = AOP_SIZE (op) - 1;
- offset = 1;
-
- _startLazyDPSEvaluation ();
- l = aopGet (op->aop, offset++, FALSE, FALSE, TRUE);
- MOVA (l);
-
- while (size--)
- {
- emitcode ("orl", "a,%s",
- aopGet (op->aop,
- offset++, FALSE, FALSE, FALSE));
- }
- _endLazyDPSEvaluation ();
-
- tlbl = newiTempLabel (NULL);
- aopPut (res->aop, one, 1);
- emitcode ("jz", "!tlabel", (tlbl->key + 100));
- aopPut (res->aop, zero, 1);
- emitcode ("", "!tlabeldef", (tlbl->key + 100));
-
- size = res->aop->size - 2;
- offset = 2;
- /* put zeros in the rest */
- while (size--)
- aopPut (res->aop, zero, offset++);
-}
/*-----------------------------------------------------------------*/
/* opIsGptr: returns non-zero if the passed operand is */
*/
if (opIsGptr (oper))
{
- D (emitcode (";", "toBoolean: generic ptr special case.");
- );
+ D (emitcode (";", "toBoolean: generic ptr special case."););
size--;
}
if (AOP_NEEDSACC (oper) && size)
{
usedB = TRUE;
- emitcode ("push", "b");
- emitcode ("mov", "b, %s", aopGet (AOP (oper), 0, FALSE, FALSE, FALSE));
+ if (_G.bInUse)
+ {
+ emitcode ("push", "b");
+ }
+ MOVB (aopGet (AOP (oper), 0, FALSE, FALSE, NULL));
}
else
{
- MOVA (aopGet (AOP (oper), 0, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (oper), 0, FALSE, FALSE, NULL));
}
+
while (size--)
{
if (usedB)
{
- emitcode ("orl", "b,%s", aopGet (AOP (oper), offset++, FALSE, FALSE, FALSE));
+ emitcode ("orl", "b,%s",
+ aopGet (AOP (oper), offset++, FALSE, FALSE, NULL));
}
else
{
- emitcode ("orl", "a,%s", aopGet (AOP (oper), offset++, FALSE, FALSE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (oper), offset++, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
if (usedB)
{
emitcode ("mov", "a,b");
- emitcode ("pop", "b");
+ if (_G.bInUse)
+ {
+ emitcode ("pop", "b");
+ }
+
}
}
genNot (iCode * ic)
{
symbol *tlbl;
- sym_link *optype = operandType (IC_LEFT (ic));
- D (emitcode (";", "genNot ");
- );
+ D (emitcode (";", "genNot "););
/* assign asmOps to operand & result */
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
- aopOp (IC_RESULT (ic), ic, TRUE, AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR);
+ aopOp (IC_RESULT (ic), ic, TRUE, AOP_USESDPTR(IC_LEFT (ic)));
/* if in bit space then a special case */
if (AOP_TYPE (IC_LEFT (ic)) == AOP_CRY)
goto release;
}
- /* if type float then do float */
- if (IS_FLOAT (optype))
- {
- genNotFloat (IC_LEFT (ic), IC_RESULT (ic));
- goto release;
- }
-
toBoolean (IC_LEFT (ic));
tlbl = newiTempLabel (NULL);
int size;
symbol *tlbl;
- D (emitcode (";", "genCpl ");
- );
+ D (emitcode (";", "genCpl "););
/* assign asmOps to operand & result */
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
- aopOp (IC_RESULT (ic), ic, TRUE, AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR);
+ aopOp (IC_RESULT (ic), ic, TRUE, AOP_USESDPTR(IC_LEFT (ic)));
/* special case if in bit space */
if (AOP_TYPE (IC_RESULT (ic)) == AOP_CRY) {
}
tlbl=newiTempLabel(NULL);
emitcode ("cjne", "%s,#0x01,%05d$",
- aopGet(AOP(IC_LEFT(ic)), 0, FALSE,FALSE,TRUE), tlbl->key+100);
+ aopGet(AOP(IC_LEFT(ic)), 0, FALSE,FALSE,NULL), tlbl->key+100);
emitcode ("", "%05d$:", tlbl->key+100);
outBitC (IC_RESULT(ic));
goto release;
_startLazyDPSEvaluation ();
while (size--)
{
- char *l = aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL));
emitcode ("cpl", "a");
aopPut (AOP (IC_RESULT (ic)), "a", offset++);
}
genUminusFloat (operand * op, operand * result)
{
int size, offset = 0;
- char *l;
- /* for this we just need to flip the
- first it then copy the rest in place */
- D (emitcode (";", "genUminusFloat");
- );
-
+
+ D(emitcode (";", "genUminusFloat"););
+
+ /* for this we just copy and then flip the bit */
+
_startLazyDPSEvaluation ();
size = AOP_SIZE (op) - 1;
- l = aopGet (AOP (op), 3, FALSE, FALSE, TRUE);
- MOVA (l);
-
- emitcode ("cpl", "acc.7");
- aopPut (AOP (result), "a", 3);
while (size--)
- {
+ {
aopPut (AOP (result),
- aopGet (AOP (op), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (op), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
+
+ MOVA(aopGet (AOP (op), offset, FALSE, FALSE, NULL));
+
+ emitcode ("cpl", "acc.7");
+ aopPut (AOP (result), "a", offset);
_endLazyDPSEvaluation ();
}
genUminus (iCode * ic)
{
int offset, size;
- sym_link *optype, *rtype;
-
- D (emitcode (";", "genUminus ");
- );
+ sym_link *optype;
+ D (emitcode (";", "genUminus "););
/* assign asmops */
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
- aopOp (IC_RESULT (ic), ic, TRUE, AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR);
+ aopOp (IC_RESULT (ic), ic, TRUE, (AOP_TYPE(IC_LEFT (ic)) == AOP_DPTR));
/* if both in bit space then special
case */
}
optype = operandType (IC_LEFT (ic));
- rtype = operandType (IC_RESULT (ic));
/* if float then do float stuff */
if (IS_FLOAT (optype))
_startLazyDPSEvaluation ();
while (size--)
{
- char *l = aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, TRUE);
+ char *l = aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL);
if (!strcmp (l, "a"))
{
if (offset == 0)
/* 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)))))
+ if ((size = (AOP_SIZE(IC_RESULT(ic)) - AOP_SIZE(IC_LEFT(ic)))) != 0)
{
emitcode ("rlc", "a");
emitcode ("subb", "a,acc");
/* if the registers have been saved already then
do nothing */
- if (ic->regsSaved || IFFUNC_ISNAKED(OP_SYM_TYPE(IC_LEFT(ic)))) return ;
+ if (ic->regsSaved
+ || (IS_SYMOP(IC_LEFT(ic)) && IFFUNC_ISNAKED(OP_SYM_TYPE(IC_LEFT(ic))) && !TARGET_IS_DS400) )
+ return ;
/* special case if DPTR alive across a function call then must save it
even though callee saves */
- if (IFFUNC_CALLEESAVES(OP_SYMBOL (IC_LEFT (ic))->type)) {
- int i =0;
+ if (IS_SYMOP(IC_LEFT(ic)) &&
+ IFFUNC_CALLEESAVES(OP_SYMBOL (IC_LEFT (ic))->type)) {
+ int i;
rsave = newBitVect(ic->rMask->size);
for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
if (bitVectBitValue(ic->rMask,i))
bitVect *rsave;
if (IFFUNC_CALLEESAVES(OP_SYMBOL (IC_LEFT (ic))->type)) {
- int i =0;
+ int i;
rsave = newBitVect(ic->rMask->size);
for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
if (bitVectBitValue(ic->rMask,i))
_startLazyDPSEvaluation ();
while (size--)
{
- char *l = aopGet (AOP (oper), offset++, FALSE, TRUE, FALSE);
+ char *l = aopGet (AOP (oper), offset++, FALSE, TRUE, NULL);
if (AOP_TYPE (oper) != AOP_REG &&
AOP_TYPE (oper) != AOP_DIR &&
strcmp (l, "a"))
{
int offset = 0;
int size = AOP_SIZE (oper);
+ bool pushedAcc = FALSE;
+ if (size == fReturnSizeDS390)
+ {
+ /* I don't think this case can ever happen... */
+ /* ACC is the last part of this. If writing the result
+ * uses AC, we must preserve it.
+ */
+ if (AOP_NEEDSACC(oper))
+ {
+ emitcode(";", "assignResultValue special case for ACC.");
+ emitcode("push", "acc");
+ pushedAcc = TRUE;
+ size--;
+ }
+ }
+
+
_startLazyDPSEvaluation ();
while (size--)
{
offset++;
}
_endLazyDPSEvaluation ();
+
+ if (pushedAcc)
+ {
+ emitcode("pop", "acc");
+ aopPut(AOP(oper), "a", offset);
+ }
}
while (size--)
{
- char *l = aopGet (AOP (IC_LEFT (ic)),
- offset++, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (IC_LEFT (ic)),
+ offset++, FALSE, FALSE, NULL));
emitcode ("movx", "@%s,a", r->name);
emitcode ("inc", "%s", r->name);
}
/*-----------------------------------------------------------------*/
-/* genIpush - genrate code for pushing this gets a little complex */
+/* genIpush - generate code for pushing this gets a little complex */
/*-----------------------------------------------------------------*/
static void
genIpush (iCode * ic)
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (IC_LEFT (ic)), offset++, FALSE, TRUE, TRUE);
+ l = aopGet (AOP (IC_LEFT (ic)), offset++, FALSE, TRUE, NULL);
if (*l == '#')
{
MOVA (l);
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (IC_LEFT (ic)), offset++, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (IC_LEFT (ic)), offset++, FALSE, TRUE, NULL);
if (AOP_TYPE (IC_LEFT (ic)) != AOP_REG &&
AOP_TYPE (IC_LEFT (ic)) != AOP_DIR &&
- strcmp (l, "a"))
+ strcmp (l, "acc"))
{
emitcode ("mov", "a,%s", l);
emitcode ("push", "acc");
}
else
- emitcode ("push", "%s", l);
+ {
+ emitcode ("push", "%s", l);
+ }
}
_endLazyDPSEvaluation ();
while (size--)
{
emitcode ("pop", "%s", aopGet (AOP (IC_LEFT (ic)), offset--,
- FALSE, TRUE, TRUE));
+ FALSE, TRUE, NULL));
}
_endLazyDPSEvaluation ();
_startLazyDPSEvaluation ();
if (size>1) {
aopOp (IC_LEFT (sic), sic, FALSE,
- (IS_SYMOP(IC_LEFT(sic)) && OP_SYMBOL(IC_LEFT(sic))->ruonly ? FALSE : TRUE));
+ (AOP_IS_STR(IC_LEFT(sic)) ? FALSE : TRUE));
} else {
aopOp (IC_LEFT (sic), sic, FALSE, FALSE);
}
while (size--) {
char *l = aopGet (AOP (IC_LEFT (sic)), offset,
- FALSE, FALSE, TRUE);
+ FALSE, FALSE, NULL);
if (strcmp (l, fReturn[offset])) {
emitcode ("mov", "%s,%s",
fReturn[offset],
aopOp (IC_LEFT (sic), sic, FALSE, TRUE);
while (size--) {
emitcode ("mov","b1_%d,%s",rb1_count++,aopGet (AOP (IC_LEFT (sic)), offset++,
- FALSE, FALSE, TRUE));
+ FALSE, FALSE, NULL));
}
freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
}
}
}
+static void
+adjustEsp(const char *reg)
+{
+ emitcode ("anl","%s,#3", reg);
+ if (TARGET_IS_DS400)
+ {
+ emitcode ("orl","%s,#!constbyte",
+ reg,
+ (options.stack_loc >> 8) & 0xff);
+ }
+}
+
/*-----------------------------------------------------------------*/
/* genCall - generates a call statement */
/*-----------------------------------------------------------------*/
the same register bank then we need to save the
destination registers on the stack */
dtype = operandType (IC_LEFT (ic));
- if (currFunc && dtype && !IFFUNC_ISNAKED(dtype) &&
+ if (currFunc && dtype && (!IFFUNC_ISNAKED(dtype) || TARGET_IS_DS400) &&
(FUNC_REGBANK (currFunc->type) != FUNC_REGBANK (dtype)) &&
IFFUNC_ISISR (currFunc->type))
{
if (size > 1)
{
emitcode ("mov", "b,%s", fReturn[1]);
+ _G.bInUse++;
}
+ _G.accInUse++;
aopOp (IC_RESULT (ic), ic, FALSE, FALSE);
+ _G.accInUse--;
+
+ if (size > 1)
+ _G.bInUse--;
+
aopPut (AOP (IC_RESULT (ic)), "a", 0);
if (size > 1)
}
else
{
- _G.accInUse++;
+ _G.bInUse++;
aopOp (IC_RESULT (ic), ic, FALSE, TRUE);
- _G.accInUse--;
+ _G.bInUse--;
assignResultValue (IC_RESULT (ic));
emitcode ("subb","a,#!constbyte",ic->parmBytes & 0xff);
emitcode ("mov","sp,a");
emitcode ("mov","a,esp");
- emitcode ("anl","a,#3");
+ adjustEsp("a");
emitcode ("subb","a,#!constbyte",(ic->parmBytes >> 8) & 0xff);
emitcode ("mov","esp,a");
UNPROTECT_SP;
the same register bank then we need to save the
destination registers on the stack */
dtype = operandType (IC_LEFT (ic));
- if (currFunc && dtype && !IFFUNC_ISNAKED(dtype) &&
+ if (currFunc && dtype && (!IFFUNC_ISNAKED(dtype) || TARGET_IS_DS400) &&
IFFUNC_ISISR (currFunc->type) &&
(FUNC_REGBANK (currFunc->type) != FUNC_REGBANK (dtype))) {
saveRBank (FUNC_REGBANK (dtype), ic, TRUE);
emitcode ("subb","a,#!constbyte",ic->parmBytes & 0xff);
emitcode ("mov","sp,a");
emitcode ("mov","a,esp");
- emitcode ("anl","a,#3");
+ adjustEsp("a");
emitcode ("subb","a,#!constbyte",(ic->parmBytes >> 8) & 0xff);
emitcode ("mov","esp,a");
UNPROTECT_SP;
/*-----------------------------------------------------------------*/
/* inExcludeList - return 1 if the string is in exclude Reg list */
/*-----------------------------------------------------------------*/
+static int
+regsCmp(void *p1, void *p2)
+{
+ return (STRCASECMP((char *)p1, (char *)(p2)) == 0);
+}
+
static bool
inExcludeList (char *s)
{
- int i = 0;
+ const char *p = setFirstItem(options.excludeRegsSet);
- if (options.excludeRegs[i] &&
- STRCASECMP (options.excludeRegs[i], "none") == 0)
+ if (p == NULL || STRCASECMP(p, "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;
+
+ return isinSetWith(options.excludeRegsSet, s, regsCmp);
}
/*-----------------------------------------------------------------*/
if (options.stack_probe)
emitcode ("lcall","__stack_probe");
- /* if critical function then turn interrupts off */
- if (IFFUNC_ISCRITICAL (ftype))
- emitcode ("clr", "ea");
/* here we need to generate the equates for the
register bank if required */
/* save the registers used */
for (i = 0; i < sym->regsUsed->size; i++)
{
- if (bitVectBitValue (sym->regsUsed, i) ||
- (ds390_ptrRegReq && (i == R0_IDX || i == R1_IDX)))
+ if (bitVectBitValue (sym->regsUsed, i))
emitcode ("push", "%s", ds390_regWithIdx (i)->dname);
}
}
-
}
else
{
}
}
}
- // jwk: this needs a closer look
+ // TODO: this needs a closer look
SPEC_ISR_SAVED_BANKS(currFunc->etype) = banksToSave;
}
}
/* save the registers used */
for (i = 0; i < sym->regsUsed->size; i++)
{
- if (bitVectBitValue (sym->regsUsed, i) ||
- (ds390_ptrRegReq && (i == R0_IDX || i == R1_IDX)))
+ if (bitVectBitValue (sym->regsUsed, i))
{
emitcode ("push", "%s", ds390_regWithIdx (i)->dname);
_G.nRegsSaved++;
emitcode ("push","_bpx+1");
emitcode ("mov","_bpx,%s",spname);
emitcode ("mov","_bpx+1,esp");
- emitcode ("anl","_bpx+1,#3");
+ adjustEsp("_bpx+1");
} else {
if (options.useXstack) {
emitcode ("mov", "r0,%s", spname);
emitcode ("add","a,#!constbyte", ((short) sym->stack & 0xff));
emitcode ("mov","sp,a");
emitcode ("mov","a,esp");
- emitcode ("anl","a,#3");
+ adjustEsp("a");
emitcode ("addc","a,#!constbyte", (((short) sym->stack) >> 8) & 0xff);
emitcode ("mov","esp,a");
UNPROTECT_SP;
emitcode ("add", "a,#!constbyte", ((char) sym->xstack & 0xff));
emitcode ("mov", "_spx,a");
}
+
+ /* if critical function then turn interrupts off */
+ if (IFFUNC_ISCRITICAL (ftype))
+ {
+ symbol *tlbl = newiTempLabel (NULL);
+ emitcode ("setb", "c");
+ emitcode ("jbc", "ea,%05d$", (tlbl->key + 100)); /* atomic test & clear */
+ emitcode ("clr", "c");
+ emitcode ("", "%05d$:", (tlbl->key + 100));
+ emitcode ("push", "psw"); /* save old ea via c in psw */
+ }
}
genEndFunction (iCode * ic)
{
symbol *sym = OP_SYMBOL (IC_LEFT (ic));
+ lineNode *lnp = lineCurr;
+ bitVect *regsUsed;
+ bitVect *regsUsedPrologue;
+ bitVect *regsUnneeded;
+ int idx;
D (emitcode (";", "genEndFunction "););
return;
}
+ if (IFFUNC_ISCRITICAL (sym->type))
+ {
+ emitcode ("pop", "psw"); /* restore ea via c in psw */
+ emitcode ("mov", "ea,c");
+ }
+
if ((IFFUNC_ISREENT (sym->type) || options.stackAuto) &&
(sym->stack || FUNC_HASSTACKPARM(sym->type))) {
/* save the registers used */
for (i = sym->regsUsed->size; i >= 0; i--)
{
- if (bitVectBitValue (sym->regsUsed, i) ||
- (ds390_ptrRegReq && (i == R0_IDX || i == R1_IDX)))
+ if (bitVectBitValue (sym->regsUsed, i))
emitcode ("pop", "%s", ds390_regWithIdx (i)->dname);
}
}
-
}
else
{
* Restore any register banks saved by genFunction
* in reverse order.
*/
- // jwk: this needs a closer look
unsigned savedBanks = SPEC_ISR_SAVED_BANKS(currFunc->etype);
int ix;
if (!inExcludeList ("acc"))
emitcode ("pop", "acc");
- if (IFFUNC_ISCRITICAL (sym->type))
- emitcode ("setb", "ea");
-
/* if debug then send end of function */
if (options.debug && currFunc) {
_G.debugLine = 1;
}
else
{
- if (IFFUNC_ISCRITICAL (sym->type))
- emitcode ("setb", "ea");
-
if (IFFUNC_CALLEESAVES(sym->type))
{
int i;
/* save the registers used */
for (i = sym->regsUsed->size; i >= 0; i--)
{
- if (bitVectBitValue (sym->regsUsed, i) ||
- (ds390_ptrRegReq && (i == R0_IDX || i == R1_IDX)))
+ if (bitVectBitValue (sym->regsUsed, i))
emitcode ("pop", "%s", ds390_regWithIdx (i)->dname);
}
}
-
}
/* if debug then send end of function */
emitcode ("ret", "");
}
+ if (!port->peep.getRegsRead || !port->peep.getRegsWritten)
+ return;
+
+ /* If this was an interrupt handler using bank 0 that called another */
+ /* function, then all registers must be saved; nothing to optimized. */
+ if (IFFUNC_ISISR (sym->type) && IFFUNC_HASFCALL(sym->type)
+ && !FUNC_REGBANK(sym->type))
+ return;
+
+ /* There are no push/pops to optimize if not callee-saves or ISR */
+ if (!(FUNC_CALLEESAVES (sym->type) || FUNC_ISISR (sym->type)))
+ return;
+
+ /* If there were stack parameters, we cannot optimize without also */
+ /* fixing all of the stack offsets; this is too dificult to consider. */
+ if (FUNC_HASSTACKPARM(sym->type))
+ return;
+
+ /* Compute the registers actually used */
+ regsUsed = newBitVect (ds390_nRegs);
+ regsUsedPrologue = newBitVect (ds390_nRegs);
+ while (lnp)
+ {
+ if (lnp->ic && lnp->ic->op == FUNCTION)
+ regsUsedPrologue = bitVectUnion (regsUsedPrologue, port->peep.getRegsWritten(lnp));
+ else
+ regsUsed = bitVectUnion (regsUsed, port->peep.getRegsWritten(lnp));
+
+ if (lnp->ic && lnp->ic->op == FUNCTION && lnp->prev
+ && lnp->prev->ic && lnp->prev->ic->op == ENDFUNCTION)
+ break;
+ if (!lnp->prev)
+ break;
+ lnp = lnp->prev;
+ }
+
+ if (bitVectBitValue (regsUsedPrologue, DPS_IDX)
+ && !bitVectBitValue (regsUsed, DPS_IDX))
+ {
+ bitVectUnSetBit (regsUsedPrologue, DPS_IDX);
+ }
+
+ if (bitVectBitValue (regsUsedPrologue, CND_IDX)
+ && !bitVectBitValue (regsUsed, CND_IDX))
+ {
+ regsUsed = bitVectUnion (regsUsed, regsUsedPrologue);
+ if (IFFUNC_ISISR (sym->type) && !FUNC_REGBANK(sym->type)
+ && !sym->stack)
+ bitVectUnSetBit (regsUsed, CND_IDX);
+ }
+ else
+ regsUsed = bitVectUnion (regsUsed, regsUsedPrologue);
+
+ /* If this was an interrupt handler that called another function */
+ /* function, then assume working registers may be modified by it. */
+ if (IFFUNC_ISISR (sym->type) && IFFUNC_HASFCALL(sym->type))
+ {
+ regsUsed = bitVectSetBit (regsUsed, AP_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPX1_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPL1_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPH1_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPX_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPL_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPH_IDX);
+ regsUsed = bitVectSetBit (regsUsed, DPS_IDX);
+ regsUsed = bitVectSetBit (regsUsed, B_IDX);
+ regsUsed = bitVectSetBit (regsUsed, A_IDX);
+ regsUsed = bitVectSetBit (regsUsed, CND_IDX);
+ }
+
+ /* Remove the unneeded push/pops */
+ regsUnneeded = newBitVect (ds390_nRegs);
+ while (lnp)
+ {
+ if (lnp->ic && (lnp->ic->op == FUNCTION || lnp->ic->op == ENDFUNCTION))
+ {
+ if (!strncmp(lnp->line, "push", 4))
+ {
+ idx = bitVectFirstBit (port->peep.getRegsRead(lnp));
+ if (idx>=0 && !bitVectBitValue (regsUsed, idx))
+ {
+ connectLine (lnp->prev, lnp->next);
+ regsUnneeded = bitVectSetBit (regsUnneeded, idx);
+ }
+ }
+ if (!strncmp(lnp->line, "pop", 3) || !strncmp(lnp->line, "mov", 3))
+ {
+ idx = bitVectFirstBit (port->peep.getRegsWritten(lnp));
+ if (idx>=0 && !bitVectBitValue (regsUsed, idx))
+ {
+ connectLine (lnp->prev, lnp->next);
+ regsUnneeded = bitVectSetBit (regsUnneeded, idx);
+ }
+ }
+ }
+ lnp = lnp->next;
+ }
+
+ for (idx = 0; idx < regsUnneeded->size; idx++)
+ if (bitVectBitValue (regsUnneeded, idx))
+ emitcode ("", ";\teliminated unneeded push/pop %s", ds390_regWithIdx (idx)->dname);
+
+ freeBitVect (regsUnneeded);
+ freeBitVect (regsUsed);
+ freeBitVect (regsUsedPrologue);
}
/*-----------------------------------------------------------------*/
int i, size;
aopOp (IC_LEFT (ic), ic, FALSE,
- (IS_SYMOP(IC_LEFT(ic)) && OP_SYMBOL(IC_LEFT(ic))->ruonly ? FALSE :TRUE));
+ AOP_IS_STR(IC_LEFT(ic)) ? FALSE :TRUE);
size = AOP_SIZE (IC_LEFT (ic));
assert (size <= 4);
if (aopHasRegs(AOP(IC_LEFT(ic)),R0_IDX,R1_IDX) ||
aopHasRegs(AOP(IC_LEFT(ic)),R2_IDX,R3_IDX)) {
for (i = 0 ; i < size ; i++ ) {
- emitcode ("push","%s",aopGet(AOP(IC_LEFT(ic)),i,FALSE,TRUE,FALSE));
+ emitcode ("push","%s",
+ aopGet(AOP(IC_LEFT(ic)),i,FALSE,TRUE,DP2_RESULT_REG));
}
for (i = (size-1) ; i >= 0 ; i--) {
emitcode ("pop","a%s",javaRet[i]);
}
} else {
for (i = 0 ; i < size ; i++)
- emitcode ("mov","%s,%s",javaRet[i],aopGet(AOP(IC_LEFT(ic)),i,FALSE,TRUE,FALSE));
+ emitcode ("mov","%s,%s",javaRet[i],
+ aopGet(AOP(IC_LEFT(ic)),i,FALSE,TRUE,DP2_RESULT_REG));
}
for (i = size ; i < 4 ; i++ )
emitcode ("mov","%s,#0",javaRet[i]);
{
int size, offset = 0, pushed = 0;
- D (emitcode (";", "genRet ");
- );
+ D (emitcode (";", "genRet "););
/* if we have no return value then
just generate the "ret" */
/* we have something to return then
move the return value into place */
aopOp (IC_LEFT (ic), ic, FALSE,
- (IS_SYMOP(IC_LEFT(ic)) && OP_SYMBOL(IC_LEFT(ic))->ruonly ? FALSE :TRUE));
+ (AOP_IS_STR(IC_LEFT(ic)) ? FALSE :TRUE));
size = AOP_SIZE (IC_LEFT (ic));
_startLazyDPSEvaluation ();
if (AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR)
{
l = aopGet (AOP (IC_LEFT (ic)), offset++,
- FALSE, TRUE, FALSE);
+ FALSE, TRUE, NULL);
emitcode ("push", "%s", l);
pushed++;
}
* is is OK to clobber it in the aopGet.
*/
l = aopGet (AOP (IC_LEFT (ic)), offset,
- FALSE, FALSE, TRUE);
+ FALSE, FALSE, NULL);
if (strcmp (fReturn[offset], l))
emitcode ("mov", "%s,%s", fReturn[offset++], l);
}
if (size == 1 && AOP(IC_LEFT(ic)) == AOP(IC_RESULT(ic)) &&
AOP_TYPE(IC_LEFT(ic)) == AOP_DIR ) {
while (icount--) {
- emitcode("inc","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE,FALSE));
+ emitcode("inc","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE,NULL));
}
return TRUE;
}
(size > 1) &&
(icount == 1))
{
- symbol *tlbl;
- int emitTlbl;
- int labelRange;
+ symbol *tlbl;
+ int emitTlbl;
+ int labelRange;
+ char *l;
/* If the next instruction is a goto and the goto target
* is <= 5 instructions previous to this, we can generate
&& (labelRange = findLabelBackwards (ic, IC_LABEL (ic->next)->key)) != 0
&& labelRange <= 5)
{
- emitcode (";", "tail increment optimized (range %d)", labelRange);
+ D(emitcode (";", "tail increment optimized (range %d)", labelRange););
tlbl = IC_LABEL (ic->next);
emitTlbl = 0;
}
tlbl = newiTempLabel (NULL);
emitTlbl = 1;
}
- emitcode ("inc", "%s", aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE));
+
+ l = aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, NULL);
+ emitcode ("inc", "%s", l);
+
if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#0,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
+ {
+ emitcode ("cjne", "%s,#0,!tlabel", l, tlbl->key + 100);
+ }
else
- {
+ {
emitcode ("clr", "a");
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
- }
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
+ }
- emitcode ("inc", "%s", aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE));
+ l = aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, NULL);
+ emitcode ("inc", "%s", l);
if (size > 2)
{
- if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
- IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#0,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
- else
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
+ if (!strcmp(l, "acc"))
+ {
+ emitcode("jnz", "!tlabel", tlbl->key + 100);
+ }
+ else if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
+ IS_AOP_PREG (IC_RESULT (ic)))
+ {
+ emitcode ("cjne", "%s,#0,!tlabel", l, tlbl->key + 100);
+ }
+ else
+ {
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
+ }
- emitcode ("inc", "%s", aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE));
+ l = aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, NULL);
+ emitcode ("inc", "%s", l);
}
if (size > 3)
{
- if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
- IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#0,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
- else
+ if (!strcmp(l, "acc"))
{
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
+ emitcode("jnz", "!tlabel", tlbl->key + 100);
}
- emitcode ("inc", "%s", aopGet (AOP (IC_RESULT (ic)), MSB32, FALSE, FALSE, FALSE));
- }
+ else if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
+ IS_AOP_PREG (IC_RESULT (ic)))
+ {
+ emitcode ("cjne", "%s,#0,!tlabel", l, tlbl->key + 100);
+ }
+ else
+ {
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
+ }
+
+ l = aopGet (AOP (IC_RESULT (ic)), MSB32, FALSE, FALSE, NULL);
+ emitcode ("inc", "%s", l); }
if (emitTlbl)
{
switch (size) {
case 3:
- emitcode ("mov","dpx,%s",aopGet(AOP (IC_LEFT (ic)), 2, FALSE, FALSE, FALSE));
+ emitcode ("mov","dpx,%s",aopGet(AOP (IC_LEFT (ic)), 2, FALSE, FALSE, NULL));
case 2:
- emitcode ("mov","dph,%s",aopGet(AOP (IC_LEFT (ic)), 1, FALSE, FALSE, FALSE));
+ emitcode ("mov","dph,%s",aopGet(AOP (IC_LEFT (ic)), 1, FALSE, FALSE, NULL));
case 1:
- emitcode ("mov","dpl,%s",aopGet(AOP (IC_LEFT (ic)), 0, FALSE, FALSE, FALSE));
+ emitcode ("mov","dpl,%s",aopGet(AOP (IC_LEFT (ic)), 0, FALSE, FALSE, NULL));
break;
}
while (icount--) emitcode ("inc","dptr");
if (icount > 3)
{
- MOVA (aopGet (AOP (IC_LEFT (ic)), 0, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_LEFT (ic)), 0, FALSE, FALSE, NULL));
emitcode ("add", "a,#!constbyte", ((char) icount) & 0xff);
aopPut (AOP (IC_RESULT (ic)), "a", 0);
}
_startLazyDPSEvaluation ();
while (icount--)
{
- emitcode ("inc", "%s", aopGet (AOP (IC_LEFT (ic)), 0, FALSE, FALSE, FALSE));
+ emitcode ("inc", "%s", aopGet (AOP (IC_LEFT (ic)), 0, FALSE, FALSE, NULL));
}
_endLazyDPSEvaluation ();
}
static void
genPlusBits (iCode * ic)
{
- D (emitcode (";", "genPlusBits ");
- );
+ D (emitcode (";", "genPlusBits "););
+
if (AOP_TYPE (IC_RESULT (ic)) == AOP_CRY)
{
symbol *lbl = newiTempLabel (NULL);
!sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))))
{
aopPut (AOP (IC_RESULT (ic)),
- aopGet (AOP (IC_LEFT (ic)), GPTRSIZE - 1, FALSE, FALSE, FALSE),
+ aopGet (AOP (IC_LEFT (ic)), GPTRSIZE - 1, FALSE, FALSE, NULL),
GPTRSIZE - 1);
}
!sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
{
aopPut (AOP (IC_RESULT (ic)),
- aopGet (AOP (IC_RIGHT (ic)), GPTRSIZE - 1, FALSE, FALSE, FALSE),
+ aopGet (AOP (IC_RIGHT (ic)), GPTRSIZE - 1, FALSE, FALSE, NULL),
GPTRSIZE - 1);
}
!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);
+ char buff[5];
+ SNPRINTF (buff, sizeof(buff),
+ "#%d", pointerCode (getSpec (operandType (IC_LEFT (ic)))));
+ aopPut (AOP (IC_RESULT (ic)), buff, GPTRSIZE - 1);
}
}
+// The guts of AOP_OP_3_NOFATAL. Generates the left & right opcodes of an IC,
+// generates the result if possible. If result is generated, returns TRUE; otherwise
+// returns false and caller must deal with fact that result isn't aopOp'd.
+bool aopOp3(iCode * ic)
+{
+ bool dp1InUse, dp2InUse;
+ bool useDp2;
+
+ // First, generate the right opcode. DPTR may be used if neither left nor result are
+ // of type AOP_STR.
+
+// D(emitcode(";", "aopOp3: AOP_IS_STR left: %s right: %s result: %s",
+// AOP_IS_STR(IC_LEFT(ic)) ? "true" : "false",
+// AOP_IS_STR(IC_RIGHT(ic)) ? "true" : "false",
+// AOP_IS_STR(IC_RESULT(ic)) ? "true" : "false");
+// );
+// D(emitcode(";", "aopOp3: AOP_IS_DPTRn left: %s right: %s result: %s",
+// AOP_IS_DPTRn(IC_LEFT(ic)) ? "true" : "false",
+// AOP_IS_DPTRn(IC_RIGHT(ic)) ? "true" : "false",
+// AOP_IS_DPTRn(IC_RESULT(ic)) ? "true" : "false");
+// );
+
+ // Right uses DPTR unless left or result is an AOP_STR; however,
+ // if right is an AOP_STR, it must use DPTR regardless.
+ if ((AOP_IS_STR(IC_LEFT(ic)) || AOP_IS_STR(IC_RESULT(ic)))
+ && !AOP_IS_STR(IC_RIGHT(ic)))
+ {
+ useDp2 = TRUE;
+ }
+ else
+ {
+ useDp2 = FALSE;
+ }
+
+ aopOp (IC_RIGHT(ic),ic,FALSE, useDp2);
+
+ // if the right used DPTR, left MUST use DPTR2.
+ // if the right used DPTR2, left MUST use DPTR.
+ // if both are still available, we prefer to use DPTR. But if result is an AOP_STR
+ // and left is not an AOP_STR, then we will get better code if we use DP2 for left,
+ // enabling us to assign DPTR to result.
+
+ if (AOP_USESDPTR(IC_RIGHT(ic)))
+ {
+ useDp2 = TRUE;
+ }
+ else if (AOP_USESDPTR2(IC_RIGHT(ic)))
+ {
+ useDp2 = FALSE;
+ }
+ else
+ {
+ if (AOP_IS_STR(IC_RESULT(ic)) && !AOP_IS_STR(IC_LEFT(ic)))
+ {
+ useDp2 = TRUE;
+ }
+ else
+ {
+ useDp2 = FALSE;
+ }
+ }
+
+ aopOp(IC_LEFT(ic), ic, FALSE, useDp2);
+
+
+ // We've op'd the left & right. So, if left or right are the same operand as result,
+ // we know aopOp will succeed, and we can just do it & bail.
+ if (isOperandEqual(IC_LEFT(ic),IC_RESULT(ic)))
+ {
+ aopOp (IC_RESULT (ic), ic, TRUE, AOP_USESDPTR2 (IC_LEFT (ic)));
+ return TRUE;
+ }
+ if (isOperandEqual(IC_RIGHT(ic),IC_RESULT(ic)))
+ {
+// D(emitcode(";", "aopOp3: (left | right) & result equal"););
+ aopOp(IC_RESULT(ic),ic,TRUE, AOP_USESDPTR2 (IC_RIGHT (ic)));
+ return TRUE;
+ }
+
+ // Operands may be equivalent (but not equal) if they share a spill location. If
+ // so, use the same DPTR or DPTR2.
+ if (operandsEqu (IC_LEFT(ic), IC_RESULT(ic)))
+ {
+ aopOp (IC_RESULT (ic), ic, TRUE, AOP_USESDPTR2 (IC_LEFT (ic)));
+ return TRUE;
+ }
+ if (operandsEqu (IC_RIGHT(ic), IC_RESULT(ic)))
+ {
+ aopOp (IC_RESULT (ic), ic, TRUE, AOP_USESDPTR2 (IC_RIGHT (ic)));
+ return TRUE;
+ }
+
+ // Note which dptrs are currently in use.
+ dp1InUse = AOP_USESDPTR(IC_LEFT(ic)) || AOP_USESDPTR(IC_RIGHT(ic));
+ dp2InUse = AOP_USESDPTR2(IC_LEFT(ic)) || AOP_USESDPTR2(IC_RIGHT(ic));
+
+ // OK, now if either left or right uses DPTR and the result is an AOP_STR, we cannot
+ // generate it.
+ if (dp1InUse && AOP_IS_STR(IC_RESULT(ic)))
+ {
+ return FALSE;
+ }
+
+ // Likewise, if left or right uses DPTR2 and the result is a DPTRn, we cannot generate it.
+ if (dp2InUse && AOP_IS_DPTRn(IC_RESULT(ic)))
+ {
+ return FALSE;
+ }
+
+ // or, if both dp1 & dp2 are in use and the result needs a dptr, we're out of luck
+ if (dp1InUse && dp2InUse && isOperandInFarSpace(IC_RESULT(ic)))
+ {
+ return FALSE;
+ }
+
+ aopOp (IC_RESULT(ic),ic,TRUE, dp1InUse);
+
+ // Some sanity checking...
+ if (dp1InUse && AOP_USESDPTR(IC_RESULT(ic)))
+ {
+ fprintf(stderr,
+ "Internal error: got unexpected DPTR (%s:%d %s:%d)\n",
+ __FILE__, __LINE__, ic->filename, ic->lineno);
+ emitcode(";", ">>> unexpected DPTR here.");
+ }
+
+ if (dp2InUse && AOP_USESDPTR2(IC_RESULT(ic)))
+ {
+ fprintf(stderr,
+ "Internal error: got unexpected DPTR2 (%s:%d %s:%d)\n",
+ __FILE__, __LINE__, ic->filename, ic->lineno);
+ emitcode(";", ">>> unexpected DPTR2 here.");
+ }
+
+ return TRUE;
+}
+
// Macro to aopOp all three operands of an ic. If this cannot be done,
// the IC_LEFT and IC_RIGHT operands will be aopOp'd, and the rc parameter
// will be set TRUE. The caller must then handle the case specially, noting
// that the IC_RESULT operand is not aopOp'd.
+//
#define AOP_OP_3_NOFATAL(ic, rc) \
- aopOp (IC_RIGHT(ic),ic,FALSE, FALSE); \
- aopOp (IC_LEFT(ic),ic,FALSE, (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR) || \
- ((OP_SYMBOL(IC_RESULT(ic))->ruonly) && !isOperandEqual(IC_LEFT(ic),IC_RESULT(ic)))); \
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR2 && \
- (isOperandInFarSpace(IC_RESULT(ic)) || (OP_SYMBOL(IC_RESULT(ic))->ruonly && !isOperandEqual(IC_LEFT(ic),IC_RESULT(ic))))) \
- { \
- /* No can do; DPTR & DPTR2 in use, and we need another. */ \
- rc = TRUE; \
- } \
- else \
- { \
- aopOp (IC_RESULT(ic),ic,TRUE, (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) || \
- (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR)); \
- rc = FALSE; \
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR2 && \
- AOP_TYPE(IC_RESULT(ic)) == AOP_DPTR2) \
- { \
- /* werror(E_INTERNAL_ERROR,__FILE__,__LINE__, */ \
- fprintf(stderr, \
- "Ack: got unexpected DP2! (%s:%d %s:%d)\n", __FILE__, __LINE__, ic->filename, ic->lineno); \
- } \
- }
+ do { rc = !aopOp3(ic); } while (0)
// aopOp the left & right operands of an ic.
#define AOP_OP_2(ic) \
- aopOp (IC_RIGHT(ic),ic,FALSE, FALSE); \
- aopOp (IC_LEFT(ic),ic,FALSE, (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR));
+ aopOp (IC_RIGHT(ic),ic,FALSE, AOP_IS_STR(IC_LEFT(ic))); \
+ aopOp (IC_LEFT(ic),ic,FALSE, AOP_USESDPTR(IC_RIGHT(ic)));
// convienience macro.
#define AOP_SET_LOCALS(ic) \
genPlus (iCode * ic)
{
int size, offset = 0;
- bool pushResult = FALSE;
+ bool pushResult;
int rSize;
D (emitcode (";", "genPlus "););
/* special cases :- */
- if ( IS_SYMOP(IC_LEFT(ic)) && OP_SYMBOL(IC_LEFT(ic))->ruonly &&
+ if ( AOP_IS_STR(IC_LEFT(ic)) &&
isOperandLiteral(IC_RIGHT(ic)) && OP_SYMBOL(IC_RESULT(ic))->ruonly) {
aopOp (IC_RIGHT (ic), ic, TRUE, FALSE);
- size = floatFromVal (AOP (IC_RIGHT(ic))->aopu.aop_lit);
+ size = (int)floatFromVal (AOP (IC_RIGHT(ic))->aopu.aop_lit);
if (size <= 9) {
while (size--) emitcode ("inc","dptr");
} else {
}
AOP_OP_3_NOFATAL (ic, pushResult);
+
if (pushResult)
{
D (emitcode (";", "genPlus: must push result: 3 ops in far space"););
_startLazyDPSEvaluation ();
while (size--)
{
- MOVA (aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, NULL));
emitcode ("addc", "a,#0");
aopPut (AOP (IC_RESULT (ic)), "a", offset++);
}
{
if (AOP_TYPE(IC_LEFT(ic)) == AOP_ACC && !AOP_NEEDSACC(IC_RIGHT(ic)))
{
- MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL));
if (offset == 0)
emitcode ("add", "a,%s",
- aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, NULL));
else
emitcode ("addc", "a,%s",
- aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, NULL));
}
else
{
D(emitcode(";", "+ AOP_ACC special case."););
emitcode("xch", "a, %s", DP2_RESULT_REG);
}
- MOVA (aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, NULL));
if (offset == 0)
{
if (AOP_TYPE(IC_LEFT(ic)) == AOP_ACC)
else
{
emitcode ("add", "a,%s",
- aopGet (AOP(IC_LEFT(ic)), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP(IC_LEFT(ic)), offset, FALSE, FALSE,
+ DP2_RESULT_REG));
}
}
else
{
emitcode ("addc", "a,%s",
- aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE,
+ DP2_RESULT_REG));
}
}
if (!pushResult)
if (size == 1 && AOP(IC_LEFT(ic)) == AOP(IC_RESULT(ic)) &&
AOP_TYPE(IC_LEFT(ic)) == AOP_DIR ) {
while (icount--) {
- emitcode("dec","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE,FALSE));
+ emitcode("dec","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,FALSE,NULL));
}
return TRUE;
}
(icount == 1))
{
symbol *tlbl;
- int emitTlbl;
- int labelRange;
+ int emitTlbl;
+ int labelRange;
+ char *l;
/* If the next instruction is a goto and the goto target
* is <= 5 instructions previous to this, we can generate
emitTlbl = 1;
}
- emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE));
+ l = aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, NULL);
+ emitcode ("dec", "%s", l);
+
if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
AOP_TYPE (IC_RESULT (ic)) == AOP_DPTR ||
IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#!constbyte,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE), 0xff
- ,tlbl->key + 100);
+ {
+ emitcode ("cjne", "%s,#!constbyte,!tlabel", l, 0xff, tlbl->key + 100);
+ }
else
- {
+ {
emitcode ("mov", "a,#!constbyte",0xff);
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), LSB, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
- }
- emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE));
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
+ }
+ l = aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, NULL);
+ emitcode ("dec", "%s", l);
if (size > 2)
{
- if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
- AOP_TYPE (IC_RESULT (ic)) == AOP_DPTR ||
- IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#!constbyte,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE),0xff
- ,tlbl->key + 100);
- else
+ if (!strcmp(l, "acc"))
+ {
+ emitcode("jnz", "!tlabel", tlbl->key + 100);
+ }
+ else if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
+ AOP_TYPE (IC_RESULT (ic)) == AOP_DPTR ||
+ IS_AOP_PREG (IC_RESULT (ic)))
+ {
+ emitcode ("cjne", "%s,#!constbyte,!tlabel", l, 0xff, tlbl->key + 100);
+ }
+ else
{
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB16, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
+ emitcode ("mov", "a,#!constbyte",0xff);
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
}
- emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE));
+ l = aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, NULL);
+ emitcode ("dec", "%s", l);
}
if (size > 3)
{
- if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
- AOP_TYPE (IC_RESULT (ic)) == AOP_DPTR ||
- IS_AOP_PREG (IC_RESULT (ic)))
- emitcode ("cjne", "%s,#!constbyte,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE),0xff
- ,tlbl->key + 100);
- else
+ if (!strcmp(l, "acc"))
{
- emitcode ("cjne", "a,%s,!tlabel"
- ,aopGet (AOP (IC_RESULT (ic)), MSB24, FALSE, FALSE, FALSE)
- ,tlbl->key + 100);
+ emitcode("jnz", "!tlabel", tlbl->key + 100);
+ }
+ else if (AOP_TYPE (IC_RESULT (ic)) == AOP_REG ||
+ AOP_TYPE (IC_RESULT (ic)) == AOP_DPTR ||
+ IS_AOP_PREG (IC_RESULT (ic)))
+ {
+ emitcode ("cjne", "%s,#!constbyte,!tlabel", l, 0xff, tlbl->key + 100);
}
- emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), MSB32, FALSE, FALSE, FALSE));
+ else
+ {
+ emitcode ("mov", "a,#!constbyte",0xff);
+ emitcode ("cjne", "a,%s,!tlabel", l, tlbl->key + 100);
+ }
+ l = aopGet (AOP (IC_RESULT (ic)), MSB32, FALSE, FALSE, NULL);
+ emitcode ("dec", "%s", l);
}
if (emitTlbl)
{
_startLazyDPSEvaluation ();
while (icount--)
{
- emitcode ("dec", "%s", aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, FALSE));
+ emitcode ("dec", "%s",
+ aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, NULL));
}
_endLazyDPSEvaluation ();
static void
genMinus (iCode * ic)
{
- int size, offset = 0;
- int rSize;
- unsigned long lit = 0L;
- bool pushResult = FALSE;
+ int size, offset = 0;
+ int rSize;
+ long lit = 0L;
+ bool pushResult;
- D (emitcode (";", "genMinus "););
+ D (emitcode (";", "genMinus "););
- aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
- aopOp (IC_RIGHT (ic), ic, FALSE,
- (AOP_INDPTRn(IC_LEFT(ic)) ? FALSE : (AOP_USESDPTR(IC_LEFT(ic)) ? TRUE : FALSE)));
- if ((AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR) &&
- ((AOP_TYPE (IC_RIGHT (ic)) == AOP_DPTR2)
- || OP_SYMBOL(IC_RESULT(ic))->ruonly))
- {
- pushResult = TRUE;
- }
- else
- {
- aopOp (IC_RESULT (ic), ic, TRUE, AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR);
+ AOP_OP_3_NOFATAL(ic, pushResult);
+ if (!pushResult)
+ {
/* special cases :- */
/* if both left & right are in bit space */
if (AOP_TYPE (IC_LEFT (ic)) == AOP_CRY &&
}
else
{
- lit = (unsigned long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
- lit = -(long) lit;
+ lit = (long) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit);
+ lit = -lit;
}
/* if literal, add a,#-lit, else normal subb */
_startLazyDPSEvaluation ();
while (size--) {
- MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, TRUE));
if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT) {
if (AOP_USESDPTR(IC_RIGHT(ic))) {
- emitcode ("mov","b,a");
- MOVA(aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
- emitcode ("xch","a,b");
+ emitcode ("mov","b,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, NULL));
+ MOVA(aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL));
emitcode ("subb","a,b");
} else {
+ MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL));
emitcode ("subb", "a,%s",
- aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE,
+ DP2_RESULT_REG));
}
} else {
+ MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, NULL));
/* first add without previous c */
if (!offset) {
if (!size && lit==-1) {
operand * result,
iCode * ic)
{
- sym_link *opetype = operandType (result);
+ int size;
symbol *lbl;
-
+ bool runtimeSign, compiletimeSign;
+ bool lUnsigned, rUnsigned;
+
/* (if two literals: the value is computed before) */
/* if one literal, literal on the right */
emitcode (";", "swapped left and right");
}
- if (SPEC_USIGN(opetype)
- // ignore the sign of left and right, what else can we do?
- || (SPEC_USIGN(operandType(left)) &&
- SPEC_USIGN(operandType(right)))) {
- // just an unsigned 8*8=8/16 multiply
- //emitcode (";","unsigned");
- emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, TRUE));
- MOVA (aopGet (AOP (left), 0, FALSE, FALSE, TRUE));
- emitcode ("mul", "ab");
-
- _G.accInUse++; _G.bInUse++;
- aopOp(result, ic, TRUE, FALSE);
-
- if (AOP_SIZE(result)<1 || AOP_SIZE(result)>2)
- {
- // this should never happen
- fprintf (stderr, "size!=1||2 (%d) in %s at line:%d \n",
- AOP_SIZE(result), __FILE__, lineno);
- exit (1);
- }
-
- aopPut (AOP (result), "a", 0);
- _G.accInUse--; _G.bInUse--;
- if (AOP_SIZE(result)==2)
+ /* (if two literals: the value is computed before) */
+ /* if one literal, literal on the right */
+ if (AOP_TYPE (left) == AOP_LIT)
{
- aopPut (AOP (result), "b", 1);
+ operand *t = right;
+ right = left;
+ left = t;
+ /* emitcode (";", "swapped left and right"); */
+ }
+ /* if no literal, unsigned on the right: shorter code */
+ if ( AOP_TYPE (right) != AOP_LIT
+ && SPEC_USIGN (getSpec (operandType (left))))
+ {
+ operand *t = right;
+ right = left;
+ left = t;
}
- return;
- }
- // we have to do a signed multiply
+ lUnsigned = SPEC_USIGN (getSpec (operandType (left)));
+ rUnsigned = SPEC_USIGN (getSpec (operandType (right)));
- emitcode (";", "signed");
- emitcode ("clr", "F0"); // reset sign flag
- MOVA (aopGet (AOP (left), 0, FALSE, FALSE, TRUE));
+ if ((lUnsigned && rUnsigned)
+/* sorry, I don't know how to get size
+ without calling aopOp (result,...);
+ see Feature Request */
+ /* || size == 1 */ ) /* no, this is not a bug; with a 1 byte result there's
+ no need to take care about the signedness! */
+ {
+ /* just an unsigned 8 * 8 = 8 multiply
+ or 8u * 8u = 16u */
+ /* emitcode (";","unsigned"); */
+ emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ emitcode ("mul", "ab");
+
+ _G.accInUse++; _G.bInUse++;
+ aopOp (result, ic, TRUE, FALSE);
+ size = AOP_SIZE (result);
+
+ if (size < 1 || size > 2)
+ {
+ /* this should never happen */
+ fprintf (stderr, "size!=1||2 (%d) in %s at line:%d \n",
+ size, __FILE__, lineno);
+ exit (1);
+ }
+
+ aopPut (AOP (result), "a", 0);
+ _G.accInUse--; _G.bInUse--;
+ if (size == 2)
+ aopPut (AOP (result), "b", 1);
+ return;
+ }
- lbl=newiTempLabel(NULL);
- emitcode ("jnb", "acc.7,!tlabel", lbl->key+100);
- // left side is negative, 8-bit two's complement, this fails for -128
- emitcode ("setb", "F0"); // set sign flag
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
+ /* we have to do a signed multiply */
+ /* emitcode (";", "signed"); */
+
+ /* now sign adjust for both left & right */
- emitcode ("", "!tlabeldef", lbl->key+100);
+ /* let's see what's needed: */
+ /* apply negative sign during runtime */
+ runtimeSign = FALSE;
+ /* negative sign from literals */
+ compiletimeSign = FALSE;
- /* if literal */
- if (AOP_TYPE(right)==AOP_LIT) {
- signed char val=floatFromVal (AOP (right)->aopu.aop_lit);
- /* AND literal negative */
- if ((int) val < 0) {
- emitcode ("cpl", "F0"); // complement sign flag
- emitcode ("mov", "b,#!constbyte", -val);
- } else {
- emitcode ("mov", "b,#!constbyte", val);
+ if (!lUnsigned)
+ {
+ if (AOP_TYPE(left) == AOP_LIT)
+ {
+ /* signed literal */
+ signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+ if (val < 0)
+ compiletimeSign = TRUE;
+ }
+ else
+ /* signed but not literal */
+ runtimeSign = TRUE;
}
- } else {
- lbl=newiTempLabel(NULL);
- emitcode ("mov", "b,a");
- emitcode ("mov", "a,%s", aopGet (AOP (right), 0, FALSE, FALSE, TRUE));
- emitcode ("jnb", "acc.7,!tlabel", lbl->key+100);
- // right side is negative, 8-bit two's complement
- emitcode ("cpl", "F0"); // complement sign flag
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
- emitcode ("", "!tlabeldef", lbl->key+100);
- }
+
+ if (!rUnsigned)
+ {
+ if (AOP_TYPE(right) == AOP_LIT)
+ {
+ /* signed literal */
+ signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+ if (val < 0)
+ compiletimeSign ^= TRUE;
+ }
+ else
+ /* signed but not literal */
+ runtimeSign = TRUE;
+ }
+
+ /* initialize F0, which stores the runtime sign */
+ if (runtimeSign)
+ {
+ if (compiletimeSign)
+ emitcode ("setb", "F0"); /* set sign flag */
+ else
+ emitcode ("clr", "F0"); /* reset sign flag */
+ }
+
+ /* save the signs of the operands */
+ if (AOP_TYPE(right) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+
+ if (!rUnsigned && val < 0)
+ emitcode ("mov", "b,#!constbyte", -val);
+ else
+ emitcode ("mov", "b,#!constbyte", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ if (rUnsigned) /* emitcode (";", "signed"); */
+ emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ else
+ {
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "F0"); /* complement sign flag */
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ emitcode ("mov", "b,a");
+ }
+ }
+
+ if (AOP_TYPE(left) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+
+ if (!lUnsigned && val < 0)
+ emitcode ("mov", "a,#!constbyte", -val);
+ else
+ emitcode ("mov", "a,#!constbyte", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ if (lUnsigned) /* emitcode (";", "signed"); */
+
+ emitcode ("mov", "a,%s", aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ else
+ {
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "F0"); /* complement sign flag */
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ }
+ }
+
+ /* now the multiplication */
emitcode ("mul", "ab");
-
_G.accInUse++;_G.bInUse++;
aopOp(result, ic, TRUE, FALSE);
-
- if (AOP_SIZE(result)<1 || AOP_SIZE(result)>2)
- {
- // this should never happen
+ size = AOP_SIZE (result);
+
+ if (size < 1 || size > 2)
+ {
+ /* this should never happen */
fprintf (stderr, "size!=1||2 (%d) in %s at line:%d \n",
- AOP_SIZE(result), __FILE__, lineno);
+ size, __FILE__, lineno);
exit (1);
- }
+ }
- lbl=newiTempLabel(NULL);
- emitcode ("jnb", "F0,!tlabel", lbl->key+100);
- // only ONE op was negative, we have to do a 8/16-bit two's complement
- emitcode ("cpl", "a"); // lsb
- if (AOP_SIZE(result)==1) {
- emitcode ("inc", "a");
- } else {
- emitcode ("add", "a,#1");
- emitcode ("xch", "a,b");
- emitcode ("cpl", "a"); // msb
- emitcode ("addc", "a,#0");
- emitcode ("xch", "a,b");
- }
-
- emitcode ("", "!tlabeldef", lbl->key+100);
+ if (runtimeSign || compiletimeSign)
+ {
+ lbl = newiTempLabel (NULL);
+ if (runtimeSign)
+ emitcode ("jnb", "F0,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "a"); /* lsb 2's complement */
+ if (size != 2)
+ emitcode ("inc", "a"); /* inc doesn't set carry flag */
+ else
+ {
+ emitcode ("add", "a,#1"); /* this sets carry flag */
+ emitcode ("xch", "a,b");
+ emitcode ("cpl", "a"); /* msb 2's complement */
+ emitcode ("addc", "a,#0");
+ emitcode ("xch", "a,b");
+ }
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ }
aopPut (AOP (result), "a", 0);
_G.accInUse--;_G.bInUse--;
- if (AOP_SIZE(result)==2) {
+ if (size == 2)
aopPut (AOP (result), "b", 1);
- }
}
/*-----------------------------------------------------------------*/
if (!umult) {
emitcode("clr","F0");
if (AOP_TYPE(right) == AOP_LIT) {
- int val=floatFromVal (AOP (right)->aopu.aop_lit);
+ int val=(int)floatFromVal (AOP (right)->aopu.aop_lit);
if (val < 0) {
emitcode("setb","F0");
val = -val;
emitcode ("mov","mb,#!constbyte",(val >> 8) & 0xff);
} else {
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","mb,a");
}
} else {
- emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
}
/* load up MA with left */
if (!umult) {
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","ma,b");
emitcode ("mov","ma,a");
} else {
- emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
}
/* wait for multiplication to finish */
lbl = newiTempLabel(NULL);
operand * result,
iCode * ic)
{
- sym_link *opetype = operandType (result);
+ bool lUnsigned, rUnsigned;
+ bool runtimeSign, compiletimeSign;
char *l;
symbol *lbl;
int size, offset;
offset = 1;
+ lUnsigned = SPEC_USIGN (getSpec (operandType (left)));
+ rUnsigned = SPEC_USIGN (getSpec (operandType (right)));
+
/* signed or unsigned */
- if (SPEC_USIGN (opetype))
+ if (lUnsigned && rUnsigned)
{
- /* unsigned is easy */
- LOAD_AB_FOR_DIV (left, right, l);
- emitcode ("div", "ab");
+ /* unsigned is easy */
+ LOAD_AB_FOR_DIV (left, right, l);
+ emitcode ("div", "ab");
- _G.accInUse++;
- aopOp(result, ic, TRUE, FALSE);
- aopPut (AOP (result), "a", 0);
- _G.accInUse--;
+ _G.accInUse++;
+ aopOp (result, ic, TRUE, FALSE);
+ aopPut (AOP (result), "a", 0);
+ _G.accInUse--;
- size = AOP_SIZE (result) - 1;
-
- while (size--)
- {
- aopPut (AOP (result), zero, offset++);
- }
+ size = AOP_SIZE (result) - 1;
+
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
return;
}
/* signed is a little bit more difficult */
- /* save the signs of the operands */
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
- emitcode ("xrl", "a,%s", aopGet (AOP (right), 0, FALSE, TRUE, FALSE));
- emitcode ("push", "acc"); /* save it on the stack */
-
/* now sign adjust for both left & right */
- l = aopGet (AOP (right), 0, FALSE, FALSE, TRUE);
- MOVA (l);
- lbl = newiTempLabel (NULL);
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
- emitcode ("mov", "b,a");
- /* sign adjust left side */
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
+ /* let's see what's needed: */
+ /* apply negative sign during runtime */
+ runtimeSign = FALSE;
+ /* negative sign from literals */
+ compiletimeSign = FALSE;
- lbl = newiTempLabel (NULL);
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
+ if (!lUnsigned)
+ {
+ if (AOP_TYPE(left) == AOP_LIT)
+ {
+ /* signed literal */
+ signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+ if (val < 0)
+ compiletimeSign = TRUE;
+ }
+ else
+ /* signed but not literal */
+ runtimeSign = TRUE;
+ }
+
+ if (!rUnsigned)
+ {
+ if (AOP_TYPE(right) == AOP_LIT)
+ {
+ /* signed literal */
+ signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+ if (val < 0)
+ compiletimeSign ^= TRUE;
+ }
+ else
+ /* signed but not literal */
+ runtimeSign = TRUE;
+ }
+ /* initialize F0, which stores the runtime sign */
+ if (runtimeSign)
+ {
+ if (compiletimeSign)
+ emitcode ("setb", "F0"); /* set sign flag */
+ else
+ emitcode ("clr", "F0"); /* reset sign flag */
+ }
+
+ /* save the signs of the operands */
+ if (AOP_TYPE(right) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
+
+ if (!rUnsigned && val < 0)
+ emitcode ("mov", "b,#0x%02x", -val);
+ else
+ emitcode ("mov", "b,#0x%02x", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ if (rUnsigned)
+ emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ else
+ {
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "F0"); /* complement sign flag */
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ emitcode ("mov", "b,a");
+ }
+ }
+
+ if (AOP_TYPE(left) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
+
+ if (!lUnsigned && val < 0)
+ emitcode ("mov", "a,#0x%02x", -val);
+ else
+ emitcode ("mov", "a,#0x%02x", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ if (lUnsigned)
+ emitcode ("mov", "a,%s", aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ else
+ {
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "F0"); /* complement sign flag */
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ }
+ }
+
/* now the division */
emitcode ("nop", "; workaround for DS80C390 div bug.");
emitcode ("div", "ab");
- /* we are interested in the lower order
- only */
- emitcode ("mov", "b,a");
- lbl = newiTempLabel (NULL);
- emitcode ("pop", "acc");
- /* if there was an over flow we don't
- adjust the sign of the result */
- emitcode ("jb", "ov,!tlabel", (lbl->key + 100));
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- CLRC;
- emitcode ("clr", "a");
- emitcode ("subb", "a,b");
- emitcode ("mov", "b,a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
-
- /* now we are done */
- _G.accInUse++; _G.bInUse++;
- aopOp(result, ic, TRUE, FALSE);
-
- aopPut (AOP (result), "b", 0);
-
- size = AOP_SIZE (result) - 1;
-
- if (size > 0)
+
+ if (runtimeSign || compiletimeSign)
{
- emitcode ("mov", "c,b.7");
- emitcode ("subb", "a,acc");
+ lbl = newiTempLabel (NULL);
+ if (runtimeSign)
+ emitcode ("jnb", "F0,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "a"); /* lsb 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+
+ _G.accInUse++; _G.bInUse++;
+ aopOp (result, ic, TRUE, FALSE);
+ size = AOP_SIZE (result) - 1;
+
+ if (size > 0)
+ {
+ /* 123 look strange, but if (OP_SYMBOL (op)->accuse == 1)
+ then the result will be in b, a */
+ emitcode ("mov", "b,a"); /* 1 */
+ /* msb is 0x00 or 0xff depending on the sign */
+ if (runtimeSign)
+ {
+ emitcode ("mov", "c,F0");
+ emitcode ("subb", "a,acc");
+ emitcode ("xch", "a,b"); /* 2 */
+ while (size--)
+ aopPut (AOP (result), "b", offset++); /* write msb's */
+ }
+ else /* compiletimeSign */
+ while (size--)
+ aopPut (AOP (result), "#0xff", offset++); /* write msb's */
+ }
+ aopPut (AOP (result), "a", 0); /* 3: write lsb */
}
- while (size--)
+ else
{
- aopPut (AOP (result), "a", offset++);
+ _G.accInUse++; _G.bInUse++;
+ aopOp(result, ic, TRUE, FALSE);
+ size = AOP_SIZE (result) - 1;
+
+ aopPut (AOP (result), "a", 0);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
}
- _G.accInUse--; _G.bInUse--;
+ _G.accInUse--; _G.bInUse--;
}
if (!umult) {
emitcode("clr","F0");
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","ma,b");
emitcode ("mov","ma,a");
} else {
- emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
}
/* load up MB with right */
if (!umult) {
if (AOP_TYPE(right) == AOP_LIT) {
- int val=floatFromVal (AOP (right)->aopu.aop_lit);
+ int val=(int)floatFromVal (AOP (right)->aopu.aop_lit);
if (val < 0) {
lbl = newiTempLabel(NULL);
emitcode ("jbc","F0,!tlabel",lbl->key+100);
emitcode ("mov","mb,#!constbyte",(val >> 8) & 0xff);
} else {
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","mb,a");
}
} else {
- emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
}
/* wait for multiplication to finish */
operand * result,
iCode * ic)
{
- sym_link *opetype = operandType (result);
+ bool lUnsigned, rUnsigned;
+ bool runtimeSign, compiletimeSign;
char *l;
symbol *lbl;
+ int size, offset;
+ offset = 1;
+ lUnsigned = SPEC_USIGN (getSpec (operandType (left)));
+ rUnsigned = SPEC_USIGN (getSpec (operandType (right)));
+
/* signed or unsigned */
- if (SPEC_USIGN (opetype))
+ if (lUnsigned && rUnsigned)
{
/* unsigned is easy */
LOAD_AB_FOR_DIV (left, right, l);
emitcode ("div", "ab");
- aopOp(result, ic, TRUE, FALSE);
+ aopOp (result, ic, TRUE, FALSE);
aopPut (AOP (result), "b", 0);
+
+ for (size = AOP_SIZE (result) - 1; size--;)
+ aopPut (AOP (result), zero, offset++);
return;
}
/* signed is a little bit more difficult */
- /* save the signs of the operands */
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
-
- emitcode ("xrl", "a,%s", aopGet (AOP (right), 0, FALSE, FALSE, FALSE));
- emitcode ("push", "acc"); /* save it on the stack */
-
/* now sign adjust for both left & right */
- l = aopGet (AOP (right), 0, FALSE, FALSE, TRUE);
- MOVA (l);
- lbl = newiTempLabel (NULL);
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
- emitcode ("mov", "b,a");
+ /* modulus: sign of the right operand has no influence on the result! */
+ if (AOP_TYPE(right) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (right)->aopu.aop_lit);
- /* sign adjust left side */
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
+ if (!rUnsigned && val < 0)
+ emitcode ("mov", "b,#0x%02x", -val);
+ else
+ emitcode ("mov", "b,#0x%02x", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ if (rUnsigned)
+ emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ else
+ {
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ emitcode ("mov", "b,a");
+ }
+ }
+
+ /* let's see what's needed: */
+ /* apply negative sign during runtime */
+ runtimeSign = FALSE;
+ /* negative sign from literals */
+ compiletimeSign = FALSE;
- lbl = newiTempLabel (NULL);
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- emitcode ("cpl", "a");
- emitcode ("inc", "a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
+ /* sign adjust left side */
+ if (AOP_TYPE(left) == AOP_LIT)
+ {
+ signed char val = (char) floatFromVal (AOP (left)->aopu.aop_lit);
- /* now the multiplication */
+ if (!lUnsigned && val < 0)
+ {
+ compiletimeSign = TRUE; /* set sign flag */
+ emitcode ("mov", "a,#0x%02x", -val);
+ }
+ else
+ emitcode ("mov", "a,#0x%02x", (unsigned char) val);
+ }
+ else /* ! literal */
+ {
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+
+ if (!lUnsigned)
+ {
+ runtimeSign = TRUE;
+ emitcode ("clr", "F0"); /* clear sign flag */
+
+ lbl = newiTempLabel (NULL);
+ emitcode ("jnb", "acc.7,!tlabel", lbl->key + 100);
+ emitcode ("setb", "F0"); /* set sign flag */
+ emitcode ("cpl", "a"); /* 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+ }
+ }
+
+ /* now the modulus */
emitcode ("nop", "; workaround for DS80C390 div bug.");
emitcode ("div", "ab");
- /* we are interested in the lower order
- only */
- lbl = newiTempLabel (NULL);
- emitcode ("pop", "acc");
- /* if there was an over flow we don't
- adjust the sign of the result */
- emitcode ("jb", "ov,!tlabel", (lbl->key + 100));
- emitcode ("jnb", "acc.7,!tlabel", (lbl->key + 100));
- CLRC;
- emitcode ("clr", "a");
- emitcode ("subb", "a,b");
- emitcode ("mov", "b,a");
- emitcode ("", "!tlabeldef", (lbl->key + 100));
- _G.bInUse++;
- /* now we are done */
- aopOp(result, ic, TRUE, FALSE);
- aopPut (AOP (result), "b", 0);
- _G.bInUse--;
+ if (runtimeSign || compiletimeSign)
+ {
+ emitcode ("mov", "a,b");
+ lbl = newiTempLabel (NULL);
+ if (runtimeSign)
+ emitcode ("jnb", "F0,!tlabel", lbl->key + 100);
+ emitcode ("cpl", "a"); /* lsb 2's complement */
+ emitcode ("inc", "a");
+ emitcode ("", "!tlabeldef", lbl->key + 100);
+
+ _G.accInUse++; _G.bInUse++;
+ aopOp (result, ic, TRUE, FALSE);
+ size = AOP_SIZE (result) - 1;
+
+ if (size > 0)
+ {
+ /* 123 look strange, but if (OP_SYMBOL (op)->accuse == 1)
+ then the result will be in b, a */
+ emitcode ("mov", "b,a"); /* 1 */
+ /* msb is 0x00 or 0xff depending on the sign */
+ if (runtimeSign)
+ {
+ emitcode ("mov", "c,F0");
+ emitcode ("subb", "a,acc");
+ emitcode ("xch", "a,b"); /* 2 */
+ while (size--)
+ aopPut (AOP (result), "b", offset++); /* write msb's */
+ }
+ else /* compiletimeSign */
+ while (size--)
+ aopPut (AOP (result), "#0xff", offset++); /* write msb's */
+ }
+ aopPut (AOP (result), "a", 0); /* 3: write lsb */
+ }
+ else
+ {
+ _G.accInUse++; _G.bInUse++;
+ aopOp(result, ic, TRUE, FALSE);
+ size = AOP_SIZE (result) - 1;
+
+ aopPut (AOP (result), "b", 0);
+ while (size--)
+ aopPut (AOP (result), zero, offset++);
+ }
+ _G.accInUse--; _G.bInUse--;
}
if (!umult) {
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","ma,b");
emitcode ("mov","ma,a");
} else {
- emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov","ma,%s",aopGet(AOP(left),1,FALSE,FALSE,NULL));
}
/* load up MB with right */
if (!umult) {
if (AOP_TYPE(right) == AOP_LIT) {
- int val=floatFromVal (AOP (right)->aopu.aop_lit);
+ int val=(int)floatFromVal (AOP (right)->aopu.aop_lit);
if (val < 0) {
val = -val;
}
emitcode ("mov","mb,#!constbyte",(val >> 8) & 0xff);
} else {
lbl = newiTempLabel(NULL);
- emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","b,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","a,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
emitcode ("jnb","acc.7,!tlabel",lbl->key+100);
emitcode ("xch", "a,b");
emitcode ("cpl","a");
emitcode ("mov","mb,a");
}
} else {
- emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,TRUE));
- emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,TRUE));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),0,FALSE,FALSE,NULL));
+ emitcode ("mov","mb,%s",aopGet(AOP(right),1,FALSE,FALSE,NULL));
}
/* wait for multiplication to finish */
symbol *tlbl = newiTempLabel (NULL);
char *inst;
- D (emitcode (";", "genIfxJump ");
- );
+ D (emitcode (";", "genIfxJump"););
/* if true label then we jump if condition
supplied is true */
unsigned long lit = 0L;
operand *result;
- D (emitcode (";", "genCmp");
- );
+ D (emitcode (";", "genCmp"););
result = IC_RESULT (ic);
AOP_TYPE (right) == AOP_CRY)
{
emitcode ("mov", "c,%s", AOP (right)->aopu.aop_dir);
- emitcode ("anl", "c,/%s", AOP (left)->aopu.aop_dir);
+ emitcode ("anl", "c,%s", AOP (left)->aopu.aop_dir);
}
else
{
size = max (AOP_SIZE (left), AOP_SIZE (right));
/* if unsigned char cmp with lit, do cjne left,#right,zz */
- if ((size == 1) && !sign &&
- (AOP_TYPE (right) == AOP_LIT && AOP_TYPE (left) != AOP_DIR && AOP_TYPE (left) != AOP_STR))
+ if ((size == 1) && !sign
+ && (AOP_TYPE (right) == AOP_LIT && AOP_TYPE (left) != AOP_DIR && AOP_TYPE (left) != AOP_STR))
{
symbol *lbl = newiTempLabel (NULL);
emitcode ("cjne", "%s,%s,!tlabel",
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (left), offset, FALSE, FALSE, NULL),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
lbl->key + 100);
emitcode ("", "!tlabeldef", lbl->key + 100);
}
}
else
{
- MOVA (aopGet (AOP (left), AOP_SIZE (left) - 1, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), AOP_SIZE (left) - 1, FALSE, FALSE, NULL));
freeAsmop (left, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
freeAsmop (right, NULL, ic, (RESULTONSTACK (ic) ? FALSE : TRUE));
CLRC;
while (size--)
{
- //emitcode (";", "genCmp #1: %d/%d/%d", size, sign, offset);
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
- //emitcode (";", "genCmp #2");
+ // emitcode (";", "genCmp #1: %d/%d/%d", size, sign, offset);
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
+ // emitcode (";", "genCmp #2");
if (sign && (size == 0))
{
- //emitcode (";", "genCmp #3");
+ // emitcode (";", "genCmp #3");
emitcode ("xrl", "a,#!constbyte",0x80);
if (AOP_TYPE (right) == AOP_LIT)
{
unsigned long lit = (unsigned long)
floatFromVal (AOP (right)->aopu.aop_lit);
- //emitcode (";", "genCmp #3.1");
+ // emitcode (";", "genCmp #3.1");
emitcode ("subb", "a,#!constbyte",
0x80 ^ (unsigned int) ((lit >> (offset * 8)) & 0x0FFL));
}
else
{
- //emitcode (";", "genCmp #3.2");
- if (AOP_NEEDSACC (right))
- {
- emitcode ("push", "acc");
- }
- emitcode ("mov", "b,%s", aopGet (AOP (right), offset++,
- FALSE, FALSE, FALSE));
+ // emitcode (";", "genCmp #3.2");
+ saveAccWarn = 0;
+ MOVB(aopGet (AOP (right), offset++, FALSE, FALSE, "b"));
+ saveAccWarn = DEFAULT_ACC_WARNING;
emitcode ("xrl", "b,#!constbyte",0x80);
- if (AOP_NEEDSACC (right))
- {
- emitcode ("pop", "acc");
- }
emitcode ("subb", "a,b");
}
}
{
const char *s;
- //emitcode (";", "genCmp #4");
- if (AOP_NEEDSACC (right))
- {
- /* Yuck!! */
- //emitcode (";", "genCmp #4.1");
- emitcode ("xch", "a, b");
- MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, TRUE));
- emitcode ("xch", "a, b");
- s = "b";
- }
- else
- {
- //emitcode (";", "genCmp #4.2");
- s = aopGet (AOP (right), offset++, FALSE, FALSE, FALSE);
- }
+ // emitcode (";", "genCmp #4");
+ saveAccWarn = 0;
+ s = aopGet (AOP (right), offset++, FALSE, FALSE, "b");
+ saveAccWarn = DEFAULT_ACC_WARNING;
emitcode ("subb", "a,%s", s);
}
if the right is in a pointer register and left
is not */
if ((AOP_TYPE (left) == AOP_LIT) ||
+ (AOP_TYPE (left) == AOP_IMMD) ||
(IS_AOP_PREG (right) && !IS_AOP_PREG (left)))
{
operand *t = right;
* Exclude the generic type byte from the comparison.
*/
size--;
- D (emitcode (";", "cjneshort: generic ptr special case.");
- )
+ D (emitcode (";", "cjneshort: generic ptr special case."););
}
{
while (size--)
{
- char *l = aopGet (AOP (left), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("cjne", "a,%s,!tlabel",
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
lbl->key + 100);
offset++;
}
if the left is a pointer register & right is not */
else if (AOP_TYPE (right) == AOP_REG ||
AOP_TYPE (right) == AOP_DIR ||
+ AOP_TYPE (right) == AOP_LIT ||
+ AOP_TYPE (right) == AOP_IMMD ||
(AOP_TYPE (left) == AOP_DIR && AOP_TYPE (right) == AOP_LIT) ||
(IS_AOP_PREG (left) && !IS_AOP_PREG (right)))
{
while (size--)
{
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
if ((AOP_TYPE (left) == AOP_DIR && AOP_TYPE (right) == AOP_LIT) &&
((unsigned int) ((lit >> (offset * 8)) & 0x0FFL) == 0))
emitcode ("jnz", "!tlabel", lbl->key + 100);
else
emitcode ("cjne", "a,%s,!tlabel",
- aopGet (AOP (right), offset, FALSE, TRUE, FALSE),
+ aopGet (AOP (right), offset, FALSE, TRUE, DP2_RESULT_REG),
lbl->key + 100);
offset++;
}
/* right is a pointer reg need both a & b */
while (size--)
{
- char *l = aopGet (AOP (left), offset, FALSE, FALSE, TRUE);
- if (strcmp (l, "b"))
- emitcode ("mov", "b,%s", l);
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVB (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
emitcode ("cjne", "a,b,!tlabel", lbl->key + 100);
offset++;
}
_startLazyDPSEvaluation();
for (size = compSize; (size--); offset++)
{
- MOVA (aopGet (AOP (IC_LEFT(ic)), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_LEFT(ic)), offset, FALSE, FALSE, NULL));
emitcode ("mov", "%s, acc", DP2_RESULT_REG);
- MOVA (aopGet (AOP (IC_RIGHT(ic)), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (IC_RIGHT(ic)), offset, FALSE, FALSE, NULL));
emitcode (logicOp, "a,%s", DP2_RESULT_REG);
emitcode ("push", "acc");
operand *left, *right, *result;
int size, offset = 0;
unsigned long lit = 0L;
- int bytelit = 0;
- char buffer[10];
+ int bytelit;
+ char buff[10];
bool pushResult;
D (emitcode (";", "genAnd "););
else
{
// c = bit & val;
- MOVA (aopGet (AOP (right), 0, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
// c = lsb
emitcode ("rrc", "a");
emitcode ("anl", "c,%s", AOP (left)->aopu.aop_dir);
if (posbit)
{
posbit--;
- MOVA (aopGet (AOP (left), posbit >> 3, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), posbit >> 3, FALSE, FALSE, NULL));
// bit = left & 2^n
if (size)
emitcode ("mov", "c,acc.%d", posbit & 0x07);
{
if (ifx)
{
- sprintf (buffer, "acc.%d", posbit & 0x07);
- genIfxJump (ifx, buffer);
+ SNPRINTF (buff, sizeof(buff),
+ "acc.%d", posbit & 0x07);
+ genIfxJump (ifx, buff);
}
else
{
{
if ((bytelit = ((lit >> (offset * 8)) & 0x0FFL)) != 0x0L)
{
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
// byte == 2^n ?
if ((posbit = isLiteralBit (bytelit)) != 0)
emitcode ("jb", "acc.%d,!tlabel", (posbit - 1) & 0x07, tlbl->key + 100);
{
if (bytelit != 0x0FFL)
emitcode ("anl", "a,%s",
- aopGet (AOP (right), offset, FALSE, TRUE, FALSE));
+ aopGet (AOP (right), offset, FALSE, TRUE, DP2_RESULT_REG));
emitcode ("jnz", "!tlabel", tlbl->key + 100);
}
}
{
if (ifx)
jmpTrueOrFalse (ifx, tlbl);
+ else
+ emitcode ("", "!tlabeldef", tlbl->key + 100);
goto release;
}
}
aopPut (AOP (result), zero, offset);
else if (IS_AOP_PREG (result))
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
- emitcode ("anl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
+ emitcode ("anl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
}
else
emitcode ("anl", "%s,%s",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, NULL),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL));
}
else
{
if (AOP_TYPE (left) == AOP_ACC)
- emitcode ("anl", "a,%s", aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ emitcode ("anl", "a,%s",
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
else
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
if (IS_AOP_PREG (result))
{
- emitcode ("anl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ emitcode ("anl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
-
}
else
emitcode ("anl", "%s,a",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
}
}
}
{
if (AOP_TYPE(right)==AOP_REG && AOP_TYPE(left)==AOP_ACC) {
emitcode ("anl", "a,%s",
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
} else {
if (AOP_TYPE(left)==AOP_ACC) {
emitcode("mov", "b,a");
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
emitcode("anl", "a,b");
}else {
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
emitcode ("anl", "a,%s",
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), offset, FALSE, FALSE, DP2_RESULT_REG));
}
}
emitcode ("jnz", "!tlabel", tlbl->key + 100);
}
else if (ifx)
jmpTrueOrFalse (ifx, tlbl);
+ else
+ emitcode ("", "!tlabeldef", tlbl->key + 100);
}
else
{
if ((bytelit = (int) ((lit >> (offset * 8)) & 0x0FFL)) == 0x0FF)
{
aopPut (AOP (result),
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (left), offset, FALSE, FALSE, NULL),
offset);
continue;
}
continue;
}
D (emitcode (";", "better literal AND."););
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("anl", "a, %s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ FALSE, FALSE, DP2_RESULT_REG));
}
else
// and better if result is SFR
if (AOP_TYPE (left) == AOP_ACC)
{
- emitcode ("anl", "a,%s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ emitcode ("anl", "a,%s",
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
}
else
{
- char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, TRUE);
+ char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, NULL);
if (!strcmp(rOp, "a") || !strcmp(rOp, "acc"))
{
emitcode("mov", "b,a");
rOp = "b";
}
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("anl", "a,%s", rOp);
}
}
outBitC (result);
// if(bit | ...)
else if ((AOP_TYPE (result) == AOP_CRY) && ifx)
- genIfxJump (ifx, "c");
+ genIfxJump (ifx, "c");
goto release;
}
{
if (IS_AOP_PREG (left))
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
- emitcode ("orl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
}
else
{
emitcode ("orl", "%s,%s",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, NULL),
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
}
}
}
{
if (AOP_TYPE (left) == AOP_ACC)
{
- emitcode ("orl", "a,%s", aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
}
else
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
if (IS_AOP_PREG (left))
{
- emitcode ("orl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
}
else
{
emitcode ("orl", "%s,a",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
}
}
}
{
if (AOP_TYPE(right)==AOP_REG && AOP_TYPE(left)==AOP_ACC) {
emitcode ("orl", "a,%s",
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
} else {
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
emitcode ("orl", "a,%s",
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), offset, FALSE, FALSE, DP2_RESULT_REG));
}
emitcode ("jnz", "!tlabel", tlbl->key + 100);
offset++;
}
else if (ifx)
jmpTrueOrFalse (ifx, tlbl);
+ else
+ emitcode ("", "!tlabeldef", tlbl->key + 100);
}
else
{
if (((lit >> (offset * 8)) & 0x0FFL) == 0x00L)
{
aopPut (AOP (result),
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (left), offset, FALSE, FALSE, NULL),
offset);
continue;
}
D (emitcode (";", "better literal OR."););
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
- emitcode ("orl", "a, %s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
+ emitcode ("orl", "a, %s",
+ aopGet (AOP (right), offset,
+ FALSE, FALSE, DP2_RESULT_REG));
}
else
// and better if result is SFR
if (AOP_TYPE (left) == AOP_ACC)
{
- emitcode ("orl", "a,%s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (right), offset,
+ FALSE, FALSE, DP2_RESULT_REG));
}
else
{
- char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, TRUE);
+ char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, NULL);
if (!strcmp(rOp, "a") || !strcmp(rOp, "acc"))
{
rOp = "b";
}
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("orl", "a,%s", rOp);
}
}
emitcode ("setb", "c");
while (sizer)
{
- MOVA (aopGet (AOP (right), sizer - 1, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), sizer - 1, FALSE, FALSE, NULL));
if (sizer == 1)
// test the msb of the lsb
emitcode ("anl", "a,#!constbyte",0xfe);
continue;
else if (IS_AOP_PREG (left))
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
- emitcode ("xrl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
+ emitcode ("xrl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
}
else
emitcode ("xrl", "%s,%s",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, NULL),
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
}
else
{
if (AOP_TYPE (left) == AOP_ACC)
- emitcode ("xrl", "a,%s", aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ emitcode ("xrl", "a,%s",
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
else
{
- MOVA (aopGet (AOP (right), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (right), offset, FALSE, FALSE, NULL));
if (IS_AOP_PREG (left))
{
- emitcode ("xrl", "a,%s", aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ emitcode ("xrl", "a,%s",
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
aopPut (AOP (result), "a", offset);
}
else
emitcode ("xrl", "%s,a",
- aopGet (AOP (left), offset, FALSE, TRUE, FALSE));
+ aopGet (AOP (left), offset, FALSE, TRUE, DP2_RESULT_REG));
}
}
}
if ((AOP_TYPE (right) == AOP_LIT) &&
(((lit >> (offset * 8)) & 0x0FFL) == 0x00L))
{
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
}
else
{
if (AOP_TYPE(right)==AOP_REG && AOP_TYPE(left)==AOP_ACC) {
emitcode ("xrl", "a,%s",
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE));
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
} else {
- char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, TRUE);
+ char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, NULL);
if (!strcmp(rOp, "a") || !strcmp(rOp, "acc"))
{
emitcode("mov", "b,a");
rOp = "b";
}
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("xrl", "a,%s", rOp);
}
}
if (((lit >> (offset * 8)) & 0x0FFL) == 0x00L)
{
aopPut (AOP (result),
- aopGet (AOP (left), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (left), offset, FALSE, FALSE, NULL),
offset);
continue;
}
D (emitcode (";", "better literal XOR."););
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
- emitcode ("xrl", "a, %s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
+ emitcode ("xrl", "a, %s",
+ aopGet (AOP (right), offset, FALSE, FALSE, DP2_RESULT_REG));
}
else
{
// and better if result is SFR
if (AOP_TYPE (left) == AOP_ACC)
{
- emitcode ("xrl", "a,%s", aopGet (AOP (right), offset,
- FALSE, FALSE, FALSE));
+ emitcode ("xrl", "a,%s",
+ aopGet (AOP (right), offset,
+ FALSE, FALSE, DP2_RESULT_REG));
}
else
{
- char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, TRUE);
+ char *rOp = aopGet (AOP (right), offset, FALSE, FALSE, NULL);
if (!strcmp(rOp, "a") || !strcmp(rOp, "acc"))
{
emitcode("mov", "b,a");
rOp = "b";
}
- MOVA (aopGet (AOP (left), offset, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("xrl", "a,%s", rOp);
}
}
{
char *buffer, *bp, *bp1;
- D (emitcode (";", "genInline ");
- );
+ D (emitcode (";", "genInline "); );
_G.inLine += (!options.asmpeep);
- buffer = bp = bp1 = Safe_calloc(1, strlen(IC_INLINE(ic))+1);
- strcpy (buffer, IC_INLINE (ic));
+ buffer = Safe_strdup(IC_INLINE(ic));
+ bp = buffer;
+ bp1 = buffer;
/* emit each line as a code */
while (*bp)
genRRC (iCode * ic)
{
operand *left, *result;
- int size, offset = 0;
- char *l;
+ int size, offset;
- D (emitcode (";", "genRRC ");
- );
+ D (emitcode (";", "genRRC "););
/* rotate right with carry */
left = IC_LEFT (ic);
result = IC_RESULT (ic);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
/* move it to the result */
size = AOP_SIZE (result);
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (left), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("rrc", "a");
if (AOP_SIZE (result) > 1)
aopPut (AOP (result), "a", offset--);
highest order byte of the result */
if (AOP_SIZE (result) > 1)
{
- l = aopGet (AOP (result), AOP_SIZE (result) - 1, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (result), AOP_SIZE (result) - 1, FALSE, FALSE, NULL));
}
emitcode ("mov", "acc.7,c");
aopPut (AOP (result), "a", AOP_SIZE (result) - 1);
genRLC (iCode * ic)
{
operand *left, *result;
- int size, offset = 0;
+ int size, offset;
char *l;
- D (emitcode (";", "genRLC ");
- );
+ D (emitcode (";", "genRLC "););
/* rotate right with carry */
left = IC_LEFT (ic);
result = IC_RESULT (ic);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
/* move it to the result */
size = AOP_SIZE (result);
offset = 0;
if (size--)
{
- l = aopGet (AOP (left), offset, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (left), offset, FALSE, FALSE, NULL);
MOVA (l);
emitcode ("add", "a,acc");
if (AOP_SIZE (result) > 1)
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (left), offset, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (left), offset, FALSE, FALSE, NULL);
MOVA (l);
emitcode ("rlc", "a");
if (AOP_SIZE (result) > 1)
highest order byte of the result */
if (AOP_SIZE (result) > 1)
{
- l = aopGet (AOP (result), 0, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (result), 0, FALSE, FALSE, NULL);
MOVA (l);
}
emitcode ("mov", "acc.0,c");
left = IC_LEFT (ic);
result = IC_RESULT (ic);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
- D (emitcode (";", "genGetHbit ");
- );
+ D (emitcode (";", "genGetHbit "););
/* get the highest order byte into a */
- MOVA (aopGet (AOP (left), AOP_SIZE (left) - 1, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), AOP_SIZE (left) - 1, FALSE, FALSE, NULL));
if (AOP_TYPE (result) == AOP_CRY)
{
emitcode ("rlc", "a");
freeAsmop (result, NULL, ic, TRUE);
}
+/*-----------------------------------------------------------------*/
+/* genSwap - generates code to swap nibbles or bytes */
+/*-----------------------------------------------------------------*/
+static void
+genSwap (iCode * ic)
+{
+ operand *left, *result;
+
+ D(emitcode ("; genSwap",""));
+
+ left = IC_LEFT (ic);
+ result = IC_RESULT (ic);
+ aopOp (left, ic, FALSE, FALSE);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
+
+ _startLazyDPSEvaluation ();
+ switch (AOP_SIZE (left))
+ {
+ case 1: /* swap nibbles in byte */
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ emitcode ("swap", "a");
+ aopPut (AOP (result), "a", 0);
+ break;
+ case 2: /* swap bytes in word */
+ if (AOP_TYPE(left) == AOP_REG && sameRegs(AOP(left), AOP(result)))
+ {
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ aopPut (AOP (result), aopGet (AOP (left), 1, FALSE, FALSE, NULL), 0);
+ aopPut (AOP (result), "a", 1);
+ }
+ else if (operandsEqu (left, result))
+ {
+ char * reg = "a";
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ if (AOP_NEEDSACC (left) || AOP_NEEDSACC (result))
+ {
+ emitcode ("mov", "b,a");
+ reg = "b";
+ _G.bInUse=1;
+ }
+ aopPut (AOP (result), aopGet (AOP (left), 1, FALSE, FALSE, NULL), 0);
+ aopPut (AOP (result), reg, 1);
+ _G.bInUse=0;
+ }
+ else
+ {
+ aopPut (AOP (result), aopGet (AOP (left), 1, FALSE, FALSE, NULL), 0);
+ aopPut (AOP (result), aopGet (AOP (left), 0, FALSE, FALSE, NULL), 1);
+ }
+ break;
+ default:
+ wassertl(FALSE, "unsupported SWAP operand size");
+ }
+ _endLazyDPSEvaluation ();
+
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
+}
+
/*-----------------------------------------------------------------*/
/* AccRol - rotate left accumulator by known count */
/*-----------------------------------------------------------------*/
operand * result, int offr,
int shCount, int sign)
{
- MOVA (aopGet (AOP (left), offl, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offl, FALSE, FALSE, NULL));
/* shift right accumulator */
if (sign)
AccSRsh (shCount);
shiftL1Left2Result (operand * left, int offl,
operand * result, int offr, int shCount)
{
- MOVA(aopGet (AOP (left), offl, FALSE, FALSE, TRUE));
+ MOVA(aopGet (AOP (left), offl, FALSE, FALSE, NULL));
/* shift left accumulator */
AccLsh (shCount);
aopPut (AOP (result), "a", offr);
char *l;
if (!sameRegs (AOP (left), AOP (result)) || (offl != offr))
{
- l = aopGet (AOP (left), offl, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (left), offl, FALSE, FALSE, NULL);
if (*l == '@' && (IS_AOP_PREG (result)))
{
if (AOP_TYPE(left) == AOP_DPTR2)
{
// Get MSB in A.
- MOVA(aopGet(AOP(left), offl + MSB16, FALSE, FALSE, TRUE));
+ MOVA(aopGet(AOP(left), offl + MSB16, FALSE, FALSE, NULL));
// get LSB in DP2_RESULT_REG.
- leftByte = aopGet(AOP(left), offl, FALSE, FALSE, FALSE);
+ leftByte = aopGet(AOP(left), offl, FALSE, FALSE, DP2_RESULT_REG);
assert(!strcmp(leftByte, DP2_RESULT_REG));
}
else
{
// get LSB into DP2_RESULT_REG
- leftByte = aopGet (AOP(left), offl, FALSE, FALSE, TRUE);
+ leftByte = aopGet (AOP(left), offl, FALSE, FALSE, NULL);
if (strcmp(leftByte, DP2_RESULT_REG))
{
TR_AP("#7");
emitcode("mov","%s,%s", DP2_RESULT_REG, leftByte);
}
// And MSB in A.
- leftByte = aopGet(AOP(left), offl + MSB16, FALSE, FALSE, TRUE);
+ leftByte = aopGet(AOP(left), offl + MSB16, FALSE, FALSE, NULL);
assert(strcmp(leftByte, DP2_RESULT_REG));
MOVA(leftByte);
}
((offl + MSB16) == offr))
{
/* don't crash result[offr] */
- MOVA(aopGet(AOP(left), offl, FALSE, FALSE, TRUE));
+ MOVA(aopGet(AOP(left), offl, FALSE, FALSE, NULL));
emitcode ("xch", "a,%s",
- aopGet(AOP(left), offl + MSB16, FALSE, FALSE, FALSE));
+ aopGet(AOP(left), offl + MSB16, FALSE, FALSE, DP2_RESULT_REG));
}
else
{
movLeft2Result (left, offl, result, offr, 0);
- MOVA (aopGet (AOP (left), offl + MSB16, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offl + MSB16, FALSE, FALSE, NULL));
}
- *lsb = aopGet(AOP (result), offr, FALSE, FALSE, FALSE);
+ *lsb = aopGet(AOP (result), offr, FALSE, FALSE, DP2_RESULT_REG);
assert(strcmp(*lsb,"a"));
}
}
}
#endif
-#if 0
-//REMOVE ME!!!
/*-----------------------------------------------------------------*/
/* shiftLLeftOrResult - shift left one byte from left, or to result */
/*-----------------------------------------------------------------*/
shiftLLeftOrResult (operand * left, int offl,
operand * result, int offr, int shCount)
{
- MOVA (aopGet (AOP (left), offl, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offl, FALSE, FALSE, NULL));
/* shift left accumulator */
AccLsh (shCount);
/* or with result */
- emitcode ("orl", "a,%s", aopGet (AOP (result), offr, FALSE, FALSE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (result), offr, FALSE, FALSE, DP2_RESULT_REG));
/* back to result */
aopPut (AOP (result), "a", offr);
}
-#endif
#if 0
//REMOVE ME!!!
shiftRLeftOrResult (operand * left, int offl,
operand * result, int offr, int shCount)
{
- MOVA (aopGet (AOP (left), offl, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), offl, FALSE, FALSE, NULL));
/* shift right accumulator */
AccRsh (shCount);
/* or with result */
- emitcode ("orl", "a,%s", aopGet (AOP (result), offr, FALSE, FALSE, FALSE));
+ emitcode ("orl", "a,%s",
+ aopGet (AOP (result), offr, FALSE, FALSE, DP2_RESULT_REG));
/* back to result */
aopPut (AOP (result), "a", offr);
}
if (size >= LSB + offr)
{
- l = aopGet (AOP (left), LSB, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (left), LSB, FALSE, FALSE, NULL);
MOVA (l);
emitcode ("add", "a,acc");
if (sameRegs (AOP (left), AOP (result)) &&
size >= MSB16 + offr && offr != LSB)
emitcode ("xch", "a,%s",
- aopGet (AOP (left), LSB + offr, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), LSB + offr, FALSE, FALSE, DP2_RESULT_REG));
else
aopPut (AOP (result), "a", LSB + offr);
}
{
if (!(sameRegs (AOP (result), AOP (left)) && size >= MSB16 + offr && offr != LSB))
{
- l = aopGet (AOP (left), MSB16, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), MSB16, FALSE, FALSE, TRUE));
}
emitcode ("rlc", "a");
if (sameRegs (AOP (left), AOP (result)) &&
size >= MSB24 + offr && offr != LSB)
emitcode ("xch", "a,%s",
- aopGet (AOP (left), MSB16 + offr, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), MSB16 + offr, FALSE, FALSE, DP2_RESULT_REG));
else
aopPut (AOP (result), "a", MSB16 + offr);
}
{
if (!(sameRegs (AOP (left), AOP (left)) && size >= MSB24 + offr && offr != LSB))
{
- l = aopGet (AOP (left), MSB24, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), MSB24, FALSE, FALSE, NULL));
}
emitcode ("rlc", "a");
if (sameRegs (AOP (left), AOP (result)) &&
size >= MSB32 + offr && offr != LSB)
emitcode ("xch", "a,%s",
- aopGet (AOP (left), MSB24 + offr, FALSE, FALSE, FALSE));
+ aopGet (AOP (left), MSB24 + offr, FALSE, FALSE, DP2_RESULT_REG));
else
aopPut (AOP (result), "a", MSB24 + offr);
}
{
if (!(sameRegs (AOP (result), AOP (left)) && size >= MSB32 + offr && offr != LSB))
{
- l = aopGet (AOP (left), MSB32, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), MSB32, FALSE, FALSE, NULL));
}
emitcode ("rlc", "a");
aopPut (AOP (result), "a", MSB32 + offr);
freeAsmop (right, NULL, ic, TRUE);
aopOp(left, ic, FALSE, FALSE);
- aopOp(result, ic, FALSE, (AOP_TYPE(left) == AOP_DPTR));
+ aopOp(result, ic, FALSE, AOP_USESDPTR(left));
#if 0 // debug spew
if (IS_SYMOP(left) && OP_SYMBOL(left)->aop)
}
else
{
- emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, FALSE));
- emitcode ("inc", "b");
+ MOVB(aopGet (AOP (right), 0, FALSE, FALSE, "b"));
+ emitcode ("inc", "b");
}
freeAsmop (right, NULL, ic, TRUE);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
/* now move the left to the result if they are not the
same */
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (left), offset, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (left), offset, FALSE, TRUE, NULL);
if (*l == '@' && (IS_AOP_PREG (result)))
{
{
symbol *tlbl1 = newiTempLabel (NULL);
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
emitcode ("sjmp", "!tlabel", tlbl1->key + 100);
emitcode ("", "!tlabeldef", tlbl->key + 100);
emitcode ("add", "a,acc");
emitcode ("sjmp", "!tlabel", tlbl1->key + 100);
emitcode ("", "!tlabeldef", tlbl->key + 100);
- l = aopGet (AOP (result), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (result), offset, FALSE, FALSE, NULL));
emitcode ("add", "a,acc");
aopPut (AOP (result), "a", offset++);
_startLazyDPSEvaluation ();
while (--size)
{
- l = aopGet (AOP (result), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (result), offset, FALSE, FALSE, NULL));
emitcode ("rlc", "a");
aopPut (AOP (result), "a", offset++);
}
}
#endif
-#if 0
-//REMOVE ME!!!
/*-----------------------------------------------------------------*/
/* shiftRLong - shift right one long from left to result */
/* offl = LSB or MSB16 */
werror(E_INTERNAL_ERROR, __FILE__, __LINE__);
}
- MOVA (aopGet (AOP (left), MSB32, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), MSB32, FALSE, FALSE, NULL));
if (offl==MSB16) {
// shift is > 8
if (sign) {
emitcode ("rlc", "a");
emitcode ("subb", "a,acc");
- emitcode ("xch", "a,%s", aopGet(AOP(left), MSB32, FALSE, FALSE));
+ emitcode ("xch", "a,%s",
+ aopGet(AOP(left), MSB32, FALSE, FALSE, DP2_RESULT_REG));
} else {
aopPut (AOP(result), zero, MSB32);
}
emitcode ("rrc", "a");
if (isSameRegs && offl==MSB16) {
- emitcode ("xch", "a,%s",aopGet (AOP (left), MSB24, FALSE, FALSE));
+ emitcode ("xch",
+ "a,%s",aopGet (AOP (left), MSB24, FALSE, FALSE, DP2_RESULT_REG));
} else {
aopPut (AOP (result), "a", MSB32);
- MOVA (aopGet (AOP (left), MSB24, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), MSB24, FALSE, FALSE, NULL));
}
emitcode ("rrc", "a");
if (isSameRegs && offl==1) {
- emitcode ("xch", "a,%s",aopGet (AOP (left), MSB16, FALSE, FALSE));
+ emitcode ("xch", "a,%s",
+ aopGet (AOP (left), MSB16, FALSE, FALSE, DP2_RESULT_REG));
} else {
aopPut (AOP (result), "a", MSB24);
- MOVA (aopGet (AOP (left), MSB16, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), MSB16, FALSE, FALSE, NULL));
}
emitcode ("rrc", "a");
aopPut (AOP (result), "a", MSB16 - offl);
if (offl == LSB)
{
- MOVA (aopGet (AOP (left), LSB, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), LSB, FALSE, FALSE, NULL));
emitcode ("rrc", "a");
aopPut (AOP (result), "a", LSB);
}
}
-#endif
-#if 0
-//REMOVE ME!!!
/*-----------------------------------------------------------------*/
/* genrshFour - shift four byte by a known amount != 0 */
/*-----------------------------------------------------------------*/
genrshFour (operand * result, operand * left,
int shCount, int sign)
{
- D (emitcode (";", "genrshFour");
- );
+ D (emitcode (";", "genrshFour"););
/* if shifting more that 3 bytes */
if (shCount >= 24)
{
shCount -= 24;
+ _startLazyDPSEvaluation();
if (shCount)
shiftR1Left2Result (left, MSB32, result, LSB, shCount, sign);
else
movLeft2Result (left, MSB32, result, LSB, sign);
addSign (result, MSB16, sign);
+ _endLazyDPSEvaluation();
}
else if (shCount >= 16)
{
shCount -= 16;
+ _startLazyDPSEvaluation();
if (shCount)
shiftR2Left2Result (left, MSB24, result, LSB, shCount, sign);
else
movLeft2Result (left, MSB32, result, MSB16, sign);
}
addSign (result, MSB24, sign);
+ _endLazyDPSEvaluation();
}
else if (shCount >= 8)
{
shCount -= 8;
+ _startLazyDPSEvaluation();
if (shCount == 1)
- shiftRLong (left, MSB16, result, sign);
+ {
+ shiftRLong (left, MSB16, result, sign);
+ }
else if (shCount == 0)
{
movLeft2Result (left, MSB16, result, LSB, 0);
shiftR1Left2Result (left, MSB32, result, MSB24, shCount, sign);
addSign (result, MSB32, sign);
}
+ _endLazyDPSEvaluation();
}
else
- { /* 1 <= shCount <= 7 */
+ {
+ /* 1 <= shCount <= 7 */
if (shCount <= 2)
{
shiftRLong (left, LSB, result, sign);
}
}
}
-#endif
#ifdef BETTER_LITERAL_SHIFT
/*-----------------------------------------------------------------*/
if ((shCount != 0)
&& (shCount < (size * 8))
&& (size != 1)
- && (size != 2))
+ && (size != 2)
+ && (size != 4))
{
- D(emitcode (";", "genRightShiftLiteral wimping out"););
+ D(emitcode (";", "genRightShiftLiteral wimping out"););
return FALSE;
}
freeAsmop (right, NULL, ic, TRUE);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
#if VIEW_SIZE
emitcode ("; shift right ", "result %d, left %d", AOP_SIZE (result),
if (sign)
{
/* get sign in acc.7 */
- MOVA (aopGet (AOP (left), size - 1, FALSE, FALSE, TRUE));
+ MOVA (aopGet (AOP (left), size - 1, FALSE, FALSE, NULL));
}
addSign (result, LSB, sign);
}
case 2:
genrshTwo (result, left, shCount, sign);
break;
-#if 0
+#if 1
case 4:
genrshFour (result, left, shCount, sign);
break;
default:
break;
}
-
- freeAsmop (left, NULL, ic, TRUE);
- freeAsmop (result, NULL, ic, TRUE);
}
- return TRUE;
+ freeAsmop (left, NULL, ic, TRUE);
+ freeAsmop (result, NULL, ic, TRUE);
+
+ return TRUE;
}
#endif
}
else
{
- emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, FALSE));
+ MOVB(aopGet (AOP (right), 0, FALSE, FALSE, "b"));
emitcode ("inc", "b");
}
freeAsmop (right, NULL, ic, TRUE);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
/* now move the left to the result if they are not the
same */
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (left), offset, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (left), offset, FALSE, TRUE, NULL);
if (*l == '@' && IS_AOP_PREG (result))
{
size = AOP_SIZE (result);
offset = size - 1;
- emitcode ("mov", "a,%s", aopGet (AOP (left), offset, FALSE, FALSE, FALSE));
+ MOVA (aopGet (AOP (left), offset, FALSE, FALSE, NULL));
emitcode ("rlc", "a");
emitcode ("mov", "ov,c");
/* if it is only one byte then */
if (size == 1)
{
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA( aopGet (AOP (left), 0, FALSE, FALSE, NULL));
emitcode ("sjmp", "!tlabel", tlbl1->key + 100);
emitcode ("", "!tlabeldef", tlbl->key + 100);
emitcode ("mov", "c,ov");
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (result), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (result), offset, FALSE, FALSE, NULL));
emitcode ("rrc", "a");
aopPut (AOP (result), "a", offset--);
}
genRightShift (iCode * ic)
{
operand *right, *left, *result;
- sym_link *retype;
+ sym_link *letype;
int size, offset;
char *l;
symbol *tlbl, *tlbl1;
/* if signed then we do it the hard way preserve the
sign bit moving it inwards */
- retype = getSpec (operandType (IC_RESULT (ic)));
+ letype = getSpec (operandType (IC_LEFT (ic)));
- if (!SPEC_USIGN (retype))
+ if (!SPEC_USIGN (letype))
{
genSignedRightShift (ic);
return;
}
else
{
- emitcode ("mov", "b,%s", aopGet (AOP (right), 0, FALSE, FALSE, FALSE));
- emitcode ("inc", "b");
+ MOVB(aopGet (AOP (right), 0, FALSE, FALSE, "b"));
+ emitcode ("inc", "b");
}
freeAsmop (right, NULL, ic, TRUE);
aopOp (left, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (left) == AOP_DPTR);
+ aopOp (result, ic, FALSE, AOP_USESDPTR(left));
/* now move the left to the result if they are not the
same */
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (left), offset, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (left), offset, FALSE, TRUE, NULL);
if (*l == '@' && IS_AOP_PREG (result))
{
/* if it is only one byte then */
if (size == 1)
{
- l = aopGet (AOP (left), 0, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (left), 0, FALSE, FALSE, NULL));
emitcode ("sjmp", "!tlabel", tlbl1->key + 100);
emitcode ("", "!tlabeldef", tlbl->key + 100);
CLRC;
_startLazyDPSEvaluation ();
while (size--)
{
- l = aopGet (AOP (result), offset, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (result), offset, FALSE, FALSE, NULL));
emitcode ("rrc", "a");
aopPut (AOP (result), "a", offset--);
}
freeAsmop (result, NULL, ic, TRUE);
}
+
/*-----------------------------------------------------------------*/
-/* genUnpackBits - generates code for unpacking bits */
+/* emitPtrByteGet - emits code to get a byte into A through a */
+/* pointer register (R0, R1, or DPTR). The */
+/* original value of A can be preserved in B. */
/*-----------------------------------------------------------------*/
static void
-genUnpackBits (operand * result, char *rname, int ptype)
+emitPtrByteGet (char *rname, int p_type, bool preserveAinB)
{
- int shCnt;
- int rlen = 0;
- sym_link *etype;
- int offset = 0;
-
- D (emitcode (";", "genUnpackBits ");
- );
-
- etype = getSpec (operandType (result));
-
- /* read the first byte */
- switch (ptype)
+ switch (p_type)
{
-
- case POINTER:
case IPOINTER:
+ case POINTER:
+ if (preserveAinB)
+ emitcode ("mov", "b,a");
emitcode ("mov", "a,@%s", rname);
break;
case PPOINTER:
+ if (preserveAinB)
+ emitcode ("mov", "b,a");
emitcode ("movx", "a,@%s", rname);
break;
-
+
case FPOINTER:
+ if (preserveAinB)
+ emitcode ("mov", "b,a");
emitcode ("movx", "a,@dptr");
break;
case CPOINTER:
+ if (preserveAinB)
+ emitcode ("mov", "b,a");
emitcode ("clr", "a");
emitcode ("movc", "a,@a+dptr");
break;
case GPOINTER:
+ if (preserveAinB)
+ {
+ emitcode ("push", "b");
+ emitcode ("push", "acc");
+ }
emitcode ("lcall", "__gptrget");
+ if (preserveAinB)
+ emitcode ("pop", "b");
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))
+/*-----------------------------------------------------------------*/
+/* emitPtrByteSet - emits code to set a byte from src through a */
+/* pointer register (R0, R1, or DPTR). */
+/*-----------------------------------------------------------------*/
+static void
+emitPtrByteSet (char *rname, int p_type, char *src)
+{
+ switch (p_type)
{
+ case IPOINTER:
+ case POINTER:
+ if (*src=='@')
+ {
+ MOVA (src);
+ emitcode ("mov", "@%s,a", rname);
+ }
+ else
+ emitcode ("mov", "@%s,%s", rname, src);
+ break;
- /* shift right acc */
- AccRsh (shCnt);
+ case PPOINTER:
+ MOVA (src);
+ emitcode ("movx", "@%s,a", rname);
+ break;
+
+ case FPOINTER:
+ MOVA (src);
+ emitcode ("movx", "@dptr,a");
+ break;
- emitcode ("anl", "a,#!constbyte",
- ((unsigned char) -1) >> (8 - SPEC_BLEN (etype)));
- aopPut (AOP (result), "a", offset);
- return;
+ case GPOINTER:
+ MOVA (src);
+ emitcode ("lcall", "__gptrput");
+ break;
}
+}
- /* bit field did not fit in a byte */
- rlen = SPEC_BLEN (etype) - 8;
- 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;
+/*-----------------------------------------------------------------*/
+/* genUnpackBits - generates code for unpacking bits */
+/*-----------------------------------------------------------------*/
+static void
+genUnpackBits (operand * result, char *rname, int ptype)
+{
+ int offset = 0; /* result byte offset */
+ int rsize; /* result size */
+ int rlen = 0; /* remaining bitfield length */
+ sym_link *etype; /* bitfield type information */
+ int blen; /* bitfield length */
+ int bstr; /* bitfield starting bit within byte */
- case GPOINTER:
- emitcode ("inc", "dptr");
- emitcode ("lcall", "__gptrget");
- break;
- }
+ D(emitcode ("; genUnpackBits",""));
- rlen -= 8;
- /* if we are done */
- if (rlen < 8)
- break;
+ etype = getSpec (operandType (result));
+ rsize = getSize (operandType (result));
+ blen = SPEC_BLEN (etype);
+ bstr = SPEC_BSTR (etype);
+ /* If the bitfield length is less than a byte */
+ if (blen < 8)
+ {
+ emitPtrByteGet (rname, ptype, FALSE);
+ AccRsh (bstr);
+ emitcode ("anl", "a,#!constbyte", ((unsigned char) -1) >> (8 - blen));
aopPut (AOP (result), "a", offset++);
+ goto finish;
+ }
+ /* Bit field did not fit in a byte. Copy all
+ but the partial byte at the end. */
+ for (rlen=blen;rlen>=8;rlen-=8)
+ {
+ emitPtrByteGet (rname, ptype, FALSE);
+ aopPut (AOP (result), "a", offset++);
+ if (rlen>8)
+ emitcode ("inc", "%s", rname);
}
+ /* Handle the partial byte at the end */
if (rlen)
{
- emitcode ("anl", "a,#!constbyte", ((unsigned char) -1) >> (rlen));
- aopPut (AOP (result), "a", offset);
+ emitPtrByteGet (rname, ptype, FALSE);
+ emitcode ("anl", "a,#!constbyte", ((unsigned char) -1) >> (8-rlen));
+ aopPut (AOP (result), "a", offset++);
}
- return;
+finish:
+ if (offset < rsize)
+ {
+ rsize -= offset;
+ while (rsize--)
+ aopPut (AOP (result), zero, offset++);
+ }
}
iCode * ic)
{
char *l;
- char buffer[256];
+ char buff[256];
int size, offset = 0;
aopOp (result, ic, TRUE, FALSE);
/* get the string representation of the name */
- l = aopGet (AOP (left), 0, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (left), 0, FALSE, TRUE, NULL);
size = AOP_SIZE (result);
_startLazyDPSEvaluation ();
while (size--)
{
- if (offset)
- sprintf (buffer, "(%s + %d)", l + 1, offset);
- else
- sprintf (buffer, "%s", l + 1);
- aopPut (AOP (result), buffer, offset++);
+ if (offset)
+ {
+ SNPRINTF (buff, sizeof(buff),
+ "(%s + %d)", l + 1, offset);
+ }
+ else
+ {
+ SNPRINTF (buff, sizeof(buff),
+ "%s", l + 1);
+ }
+ aopPut (AOP (result), buff, offset++);
}
_endLazyDPSEvaluation ();
iCode *pi)
{
asmop *aop = NULL;
- regs *preg = NULL;
+ regs *preg;
char *rname;
sym_link *rtype, *retype, *letype;
sym_link *ltype = operandType (left);
- char buffer[80];
+ char buff[80];
rtype = operandType (result);
retype = getSpec (rtype);
aopOp (left, ic, FALSE, FALSE);
/* if left is rematerialisable and
- result is not bit variable type and
+ result is not bitfield 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) &&
- !IS_BITVAR (letype) &&
+ !IS_BITFIELD (retype) &&
+ !IS_BITFIELD (letype) &&
DCL_TYPE (ltype) == POINTER)
{
genDataPointerGet (left, result, ic);
preg = getFreePtr (ic, &aop, FALSE);
emitcode ("mov", "%s,%s",
preg->name,
- aopGet (AOP (left), 0, FALSE, TRUE, FALSE));
+ aopGet (AOP (left), 0, FALSE, TRUE, DP2_RESULT_REG));
rname = preg->name;
}
else
- rname = aopGet (AOP (left), 0, FALSE, FALSE, FALSE);
+ rname = aopGet (AOP (left), 0, FALSE, FALSE, DP2_RESULT_REG);
freeAsmop (left, NULL, ic, TRUE);
aopOp (result, ic, FALSE, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
genUnpackBits (result, rname, POINTER);
else
{
}
else
{
- sprintf (buffer, "@%s", rname);
- aopPut (AOP (result), buffer, offset);
+ SNPRINTF (buff, sizeof(buff), "@%s", rname);
+ aopPut (AOP (result), buff, offset);
}
offset++;
if (size || pi)
- emitcode ("inc", "%s", rname);
+ {
+ emitcode ("inc", "%s", rname);
+ }
}
}
iCode * pi)
{
asmop *aop = NULL;
- regs *preg = NULL;
+ regs *preg;
char *rname;
sym_link *rtype, *retype, *letype;
preg = getFreePtr (ic, &aop, FALSE);
emitcode ("mov", "%s,%s",
preg->name,
- aopGet (AOP (left), 0, FALSE, TRUE, FALSE));
+ aopGet (AOP (left), 0, FALSE, TRUE, NULL));
rname = preg->name;
}
else
- rname = aopGet (AOP (left), 0, FALSE, FALSE, FALSE);
+ rname = aopGet (AOP (left), 0, FALSE, FALSE, NULL);
freeAsmop (left, NULL, ic, TRUE);
aopOp (result, ic, FALSE, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
genUnpackBits (result, rname, PPOINTER);
else
{
int size, offset, dopi=1;
sym_link *retype = getSpec (operandType (result));
sym_link *letype = getSpec (operandType (left));
- D (emitcode (";", "genFarPointerGet");
- );
+ D (emitcode (";", "genFarPointerGet"););
aopOp (left, ic, FALSE, FALSE);
/* if this is remateriazable */
if (AOP_TYPE (left) == AOP_IMMD)
{
- emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, NULL));
}
else
{
_startLazyDPSEvaluation ();
if (AOP_TYPE (left) != AOP_DPTR)
{
- emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, NULL));
}
else
{
/* We need to generate a load to DPTR indirect through DPTR. */
- D (emitcode (";", "genFarPointerGet -- indirection special case.");
- );
- emitcode ("push", "%s", aopGet (AOP (left), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (left), 1, FALSE, TRUE, TRUE));
+ D (emitcode (";", "genFarPointerGet -- indirection special case."););
+ emitcode ("push", "%s", aopGet (AOP (left), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (left), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
dopi =0;
aopOp (result, ic, FALSE, (AOP_INDPTRn(left) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype)) {
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype)) {
if (AOP_INDPTRn(left)) {
genSetDPTR(AOP(left)->aopu.dptr);
}
}
if (dopi && pi && AOP_TYPE (left) != AOP_IMMD) {
if (!AOP_INDPTRn(left)) {
+ _startLazyDPSEvaluation ();
aopPut ( AOP (left), "dpl", 0);
aopPut ( AOP (left), "dph", 1);
if (options.model == MODEL_FLAT24)
aopPut ( AOP (left), "dpx", 2);
+ _endLazyDPSEvaluation ();
}
pi->generated = 1;
- } else if ((OP_SYMBOL(left)->ruonly || AOP_INDPTRn(left)) &&
+ } else if ((AOP_IS_STR(left) || AOP_INDPTRn(left)) &&
AOP_SIZE(result) > 1 &&
- (OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) {
+ IS_SYMOP(left) &&
+ (OP_SYMBOL(left)->liveTo > ic->seq || ic->depth)) {
size = AOP_SIZE (result) - 1;
if (AOP_INDPTRn(left)) {
/* if this is remateriazable */
if (AOP_TYPE (left) == AOP_IMMD)
{
- emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, NULL));
}
else
{ /* we need to get it byte by byte */
_startLazyDPSEvaluation ();
if (AOP_TYPE (left) != AOP_DPTR)
{
- emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, NULL));
}
else
{
/* We need to generate a load to DPTR indirect through DPTR. */
- D (emitcode (";", "gencodePointerGet -- indirection special case.");
- );
- emitcode ("push", "%s", aopGet (AOP (left), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (left), 1, FALSE, TRUE, TRUE));
+ D (emitcode (";", "gencodePointerGet -- indirection special case."););
+ emitcode ("push", "%s", aopGet (AOP (left), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (left), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
dopi=0;
aopOp (result, ic, FALSE, (AOP_INDPTRn(left) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype)) {
+ if (IS_BITFIELD (retype)) {
if (AOP_INDPTRn(left)) {
genSetDPTR(AOP(left)->aopu.dptr);
}
}
if (dopi && pi && AOP_TYPE (left) != AOP_IMMD) {
if (!AOP_INDPTRn(left)) {
+ _startLazyDPSEvaluation ();
+
aopPut ( AOP (left), "dpl", 0);
aopPut ( AOP (left), "dph", 1);
if (options.model == MODEL_FLAT24)
aopPut ( AOP (left), "dpx", 2);
+
+ _endLazyDPSEvaluation ();
}
pi->generated = 1;
} else if ((OP_SYMBOL(left)->ruonly || AOP_INDPTRn(left)) &&
D (emitcode (";", "genGenPointerGet "); );
- aopOp (left, ic, FALSE, (OP_SYMBOL(left)->ruonly ? FALSE : TRUE));
+ aopOp (left, ic, FALSE, (AOP_IS_STR(left) ? FALSE : TRUE));
/* if the operand is already in dptr
then we do nothing else we move the value to dptr */
/* if this is remateriazable */
if (AOP_TYPE (left) == AOP_IMMD)
{
- emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (left), 0, TRUE, FALSE, NULL));
if (AOP(left)->aopu.aop_immd.from_cast_remat)
- emitcode ("mov", "b,%s",aopGet(AOP (left), AOP_SIZE(left)-1, FALSE, FALSE, FALSE));
- else
- emitcode ("mov", "b,#%d", pointerCode (retype));
+ {
+ MOVB(aopGet(AOP (left), AOP_SIZE(left)-1, FALSE, FALSE, NULL));
+ }
+ else
+ {
+ emitcode ("mov", "b,#%d", pointerCode (retype));
+ }
}
else
{ /* we need to get it byte by byte */
- _startLazyDPSEvaluation ();
-#if 1 // I see no point at all to this code and will likely yank it soon.
- if (AOP(left)->type==AOP_DPTR2) {
- char *l;
- l=aopGet(AOP(left),0,FALSE,FALSE,TRUE);
- genSetDPTR(0);
- _flushLazyDPS();
- emitcode ("mov", "dpl,%s", l);
- l=aopGet(AOP(left),1,FALSE,FALSE,TRUE);
- genSetDPTR(0);
- _flushLazyDPS();
- emitcode ("mov", "dph,%s", l);
- if (options.model == MODEL_FLAT24) {
- l=aopGet(AOP(left),2,FALSE,FALSE,TRUE);
- genSetDPTR(0);
- _flushLazyDPS();
- emitcode ("mov", "dpx,%s", l);
- emitcode ("mov", "b,%s", aopGet (AOP(left),3,FALSE,FALSE,TRUE));
- } else {
- emitcode ("mov", "b,%s", aopGet (AOP(left),2,FALSE,FALSE,TRUE));
- }
- }
- else
-#endif
- {
- emitcode ("mov", "dpl,%s", aopGet (AOP(left),0,FALSE,FALSE,TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP(left),1,FALSE,FALSE,TRUE));
+ _startLazyDPSEvaluation ();
+ emitcode ("mov", "dpl,%s", aopGet (AOP(left),0,FALSE,FALSE,NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP(left),1,FALSE,FALSE,NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP(left),2,FALSE,FALSE,TRUE));
- emitcode ("mov", "b,%s", aopGet (AOP(left),3,FALSE,FALSE,TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP(left),2,FALSE,FALSE,NULL));
+ emitcode ("mov", "b,%s", aopGet (AOP(left),3,FALSE,FALSE,NULL));
} else {
- emitcode ("mov", "b,%s", aopGet (AOP(left),2,FALSE,FALSE,TRUE));
+ emitcode ("mov", "b,%s", aopGet (AOP(left),2,FALSE,FALSE,NULL));
}
- }
- _endLazyDPSEvaluation ();
+ _endLazyDPSEvaluation ();
}
}
- /* so dptr know contains the address */
+
+ /* so dptr-b now contains the address */
+ _G.bInUse++;
aopOp (result, ic, FALSE, TRUE);
+ _G.bInUse--;
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
+ {
genUnpackBits (result, "dptr", GPOINTER);
+ }
else
{
- size = AOP_SIZE (result);
- offset = 0;
+ size = AOP_SIZE (result);
+ offset = 0;
- while (size--)
+ while (size--)
{
- emitcode ("lcall", "__gptrget");
- aopPut (AOP (result), "a", offset++);
- if (size || (pi && AOP_TYPE (left) != AOP_IMMD))
- emitcode ("inc", "dptr");
+ if (size)
+ {
+ // Get two bytes at a time, results in _AP & A.
+ // dptr will be incremented ONCE by __gptrgetWord.
+ //
+ // Note: any change here must be coordinated
+ // with the implementation of __gptrgetWord
+ // in device/lib/_gptrget.c
+ emitcode ("lcall", "__gptrgetWord");
+ aopPut (AOP (result), DP2_RESULT_REG, offset++);
+ aopPut (AOP (result), "a", offset++);
+ size--;
+ }
+ else
+ {
+ // Only one byte to get.
+ emitcode ("lcall", "__gptrget");
+ aopPut (AOP (result), "a", offset++);
+ }
+
+ if (size || (pi && AOP_TYPE (left) != AOP_IMMD))
+ {
+ emitcode ("inc", "dptr");
+ }
}
}
if (pi && AOP_TYPE (left) != AOP_IMMD) {
+ _startLazyDPSEvaluation ();
+
aopPut ( AOP (left), "dpl", 0);
aopPut ( AOP (left), "dph", 1);
if (options.model == MODEL_FLAT24) {
aopPut ( AOP (left), "dpx", 2);
aopPut ( AOP (left), "b", 3);
} else aopPut ( AOP (left), "b", 2);
+
+ _endLazyDPSEvaluation ();
+
pi->generated = 1;
} else if (OP_SYMBOL(left)->ruonly && AOP_SIZE(result) > 1 &&
(OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) {
if (p_type == GPOINTER && OP_SYMBOL(left)->remat &&
IS_CAST_ICODE(OP_SYMBOL(left)->rematiCode)) {
left = IC_RIGHT(OP_SYMBOL(left)->rematiCode);
- type = type = operandType (left);
+ type = operandType (left);
p_type = DCL_TYPE (type);
}
/* now that we have the pointer type we assign
genPagedPointerGet (left, result, ic, pi);
break;
- case FPOINTER:
- genFarPointerGet (left, result, ic, pi);
- break;
-
- case CPOINTER:
- genCodePointerGet (left, result, ic, pi);
- break;
-
- case GPOINTER:
- genGenPointerGet (left, result, ic, pi);
- break;
- }
-
-}
-
-/*-----------------------------------------------------------------*/
-/* genPackBits - generates code for packed bit storage */
-/*-----------------------------------------------------------------*/
-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;
-
- blen = SPEC_BLEN (etype);
- bstr = SPEC_BSTR (etype);
-
- l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
- 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,#!constbyte", (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;
-
- case FPOINTER:
- emitcode ("movx", "@dptr,a");
- break;
-
- case GPOINTER:
- emitcode ("lcall", "__gptrput");
- break;
- }
-
- /* if we r done */
- if (SPEC_BLEN (etype) <= 8)
- return;
-
- emitcode ("inc", "%s", rname);
- rLen = SPEC_BLEN (etype);
-
- /* now generate for lengths greater than one byte */
- while (1)
- {
-
- l = aopGet (AOP (right), offset++, FALSE, TRUE, FALSE);
-
- rLen -= 8;
- if (rLen < 8)
- 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 FPOINTER:
+ genFarPointerGet (left, result, ic, pi);
+ break;
- case GPOINTER:
- MOVA (l);
- emitcode ("lcall", "__gptrput");
- break;
- }
- emitcode ("inc", "%s", rname);
+ case CPOINTER:
+ genCodePointerGet (left, result, ic, pi);
+ break;
+
+ case GPOINTER:
+ genGenPointerGet (left, result, ic, pi);
+ break;
}
- MOVA (l);
+}
- /* 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;
+/*-----------------------------------------------------------------*/
+/* genPackBits - generates code for packed bit storage */
+/*-----------------------------------------------------------------*/
+static void
+genPackBits (sym_link * etype,
+ operand * right,
+ char *rname, int p_type)
+{
+ int offset = 0; /* source byte offset */
+ int rlen = 0; /* remaining bitfield length */
+ int blen; /* bitfield length */
+ int bstr; /* bitfield starting bit within byte */
+ int litval; /* source literal value (if AOP_LIT) */
+ unsigned char mask; /* bitmask within current byte */
- case FPOINTER:
- emitcode ("mov", "b,a");
- emitcode ("movx", "a,@dptr");
- break;
+ D(emitcode ("; genPackBits",""));
- case GPOINTER:
- emitcode ("push", "b");
- emitcode ("push", "acc");
- emitcode ("lcall", "__gptrget");
- emitcode ("pop", "b");
- break;
- }
+ blen = SPEC_BLEN (etype);
+ bstr = SPEC_BSTR (etype);
+
+ /* If the bitfield length is less than a byte */
+ if (blen < 8)
+ {
+ mask = ((unsigned char) (0xFF << (blen + bstr)) |
+ (unsigned char) (0xFF >> (8 - bstr)));
+
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ /* Case with a bitfield length <8 and literal source
+ */
+ litval = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+ litval <<= bstr;
+ litval &= (~mask) & 0xff;
+ emitPtrByteGet (rname, p_type, FALSE);
+ if ((mask|litval)!=0xff)
+ emitcode ("anl","a,#!constbyte", mask);
+ if (litval)
+ emitcode ("orl","a,#!constbyte", litval);
+ }
+ else
+ {
+ if ((blen==1) && (p_type!=GPOINTER))
+ {
+ /* Case with a bitfield length == 1 and no generic pointer
+ */
+ if (AOP_TYPE (right) == AOP_CRY)
+ emitcode ("mov", "c,%s", AOP(right)->aopu.aop_dir);
+ else
+ {
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ emitcode ("rrc","a");
+ }
+ emitPtrByteGet (rname, p_type, FALSE);
+ emitcode ("mov","acc.%d,c",bstr);
+ }
+ else
+ {
+ /* Case with a bitfield length < 8 and arbitrary source
+ */
+ MOVA (aopGet (AOP (right), 0, FALSE, FALSE, NULL));
+ /* shift and mask source value */
+ AccLsh (bstr);
+ emitcode ("anl", "a,#!constbyte", (~mask) & 0xff);
+
+ /* transfer A to B and get next byte */
+ emitPtrByteGet (rname, p_type, TRUE);
+
+ emitcode ("anl", "a,#!constbyte", mask);
+ emitcode ("orl", "a,b");
+ if (p_type == GPOINTER)
+ emitcode ("pop", "b");
+ }
+ }
- emitcode ("anl", "a,#!constbyte", ((unsigned char) -1 << rLen));
- emitcode ("orl", "a,b");
+ emitPtrByteSet (rname, p_type, "a");
+ return;
}
- if (p_type == GPOINTER)
- emitcode ("pop", "b");
+ /* Bit length is greater than 7 bits. In this case, copy */
+ /* all except the partial byte at the end */
+ for (rlen=blen;rlen>=8;rlen-=8)
+ {
+ emitPtrByteSet (rname, p_type,
+ aopGet (AOP (right), offset++, FALSE, TRUE, NULL) );
+ if (rlen>8)
+ emitcode ("inc", "%s", rname);
+ }
- switch (p_type)
+ /* If there was a partial byte at the end */
+ if (rlen)
{
+ mask = (((unsigned char) -1 << rlen) & 0xff);
+
+ if (AOP_TYPE (right) == AOP_LIT)
+ {
+ /* Case with partial byte and literal source
+ */
+ litval = (int) floatFromVal (AOP (right)->aopu.aop_lit);
+ litval >>= (blen-rlen);
+ litval &= (~mask) & 0xff;
+ emitPtrByteGet (rname, p_type, FALSE);
+ if ((mask|litval)!=0xff)
+ emitcode ("anl","a,#!constbyte", mask);
+ if (litval)
+ emitcode ("orl","a,#!constbyte", litval);
+ }
+ else
+ {
+ /* Case with partial byte and arbitrary source
+ */
+ MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
+ emitcode ("anl", "a,#!constbyte", (~mask) & 0xff);
+
+ /* transfer A to B and get next byte */
+ emitPtrByteGet (rname, p_type, TRUE);
+
+ emitcode ("anl", "a,#!constbyte", mask);
+ emitcode ("orl", "a,b");
+ if (p_type == GPOINTER)
+ emitcode ("pop", "b");
+ }
+ emitPtrByteSet (rname, p_type, "a");
+ }
- 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 */
/*-----------------------------------------------------------------*/
iCode * ic)
{
int size, offset = 0;
- char *l, buffer[256];
+ char *l, buff[256];
aopOp (right, ic, FALSE, FALSE);
- l = aopGet (AOP (result), 0, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (result), 0, FALSE, TRUE, NULL);
size = AOP_SIZE (right);
while (size--)
{
if (offset)
- sprintf (buffer, "(%s + %d)", l + 1, offset);
+ {
+ SNPRINTF (buff, sizeof(buff), "(%s + %d)", l + 1, offset);
+ }
else
- sprintf (buffer, "%s", l + 1);
- emitcode ("mov", "%s,%s", buffer,
- aopGet (AOP (right), offset++, FALSE, FALSE, FALSE));
+ {
+ SNPRINTF (buff, sizeof(buff), "%s", l + 1);
+ }
+
+ emitcode ("mov", "%s,%s", buff,
+ aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
}
freeAsmop (right, NULL, ic, TRUE);
iCode * pi)
{
asmop *aop = NULL;
- regs *preg = NULL;
char *rname, *l;
sym_link *retype, *letype;
sym_link *ptype = operandType (result);
if (!AOP_INPREG (AOP (result)))
{
/* otherwise get a free pointer register */
+ regs *preg;
+
aop = newAsmop (0);
preg = getFreePtr (ic, &aop, FALSE);
emitcode ("mov", "%s,%s",
preg->name,
- aopGet (AOP (result), 0, FALSE, TRUE, FALSE));
+ aopGet (AOP (result), 0, FALSE, TRUE, NULL));
rname = preg->name;
}
else
- rname = aopGet (AOP (result), 0, FALSE, FALSE, FALSE);
+ rname = aopGet (AOP (result), 0, FALSE, FALSE, NULL);
aopOp (right, ic, FALSE, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
- genPackBits ((IS_BITVAR (retype) ? retype : letype), right, rname, POINTER);
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
+ genPackBits ((IS_BITFIELD (retype) ? retype : letype), right, rname, POINTER);
else
{
/* we have can just get the values */
while (size--)
{
- l = aopGet (AOP (right), offset, FALSE, TRUE, FALSE);
+ l = aopGet (AOP (right), offset, FALSE, TRUE, NULL);
if (*l == '@')
{
MOVA (l);
iCode *pi)
{
asmop *aop = NULL;
- regs *preg = NULL;
- char *rname, *l;
+ char *rname;
sym_link *retype, *letype;
retype = getSpec (operandType (right));
if (!AOP_INPREG (AOP (result)))
{
/* otherwise get a free pointer register */
+ regs *preg;
+
aop = newAsmop (0);
preg = getFreePtr (ic, &aop, FALSE);
emitcode ("mov", "%s,%s",
preg->name,
- aopGet (AOP (result), 0, FALSE, TRUE, FALSE));
+ aopGet (AOP (result), 0, FALSE, TRUE, NULL));
rname = preg->name;
}
else
- rname = aopGet (AOP (result), 0, FALSE, FALSE, FALSE);
+ rname = aopGet (AOP (result), 0, FALSE, FALSE, NULL);
aopOp (right, ic, FALSE, FALSE);
/* if bitfield then unpack the bits */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
- genPackBits ((IS_BITVAR (retype) ? retype : letype), right, rname, PPOINTER);
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
+ genPackBits ((IS_BITFIELD (retype) ? retype : letype), right, rname, PPOINTER);
else
{
/* we have can just get the values */
while (size--)
{
- l = aopGet (AOP (right), offset, FALSE, TRUE, TRUE);
+ MOVA (aopGet (AOP (right), offset, FALSE, TRUE, NULL));
- MOVA (l);
emitcode ("movx", "@%s,a", rname);
if (size || pi)
{
/* if this is remateriazable */
if (AOP_TYPE (result) == AOP_IMMD)
- emitcode ("mov", "dptr,%s", aopGet (AOP (result), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s",
+ aopGet (AOP (result), 0, TRUE, FALSE, NULL));
else
{
/* we need to get it byte by byte */
_startLazyDPSEvaluation ();
if (AOP_TYPE (result) != AOP_DPTR)
{
- emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (result), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (result), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, NULL));
}
else
{
/* We need to generate a load to DPTR indirect through DPTR. */
- D (emitcode (";", "genFarPointerSet -- indirection special case.");
- );
- emitcode ("push", "%s", aopGet (AOP (result), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (result), 1, FALSE, TRUE, TRUE));
+ D (emitcode (";", "genFarPointerSet -- indirection special case."););
+
+ emitcode ("push", "%s", aopGet (AOP (result), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (result), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
dopi=0;
aopOp (right, ic, FALSE, (AOP_INDPTRn(result) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype)) {
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype)) {
if (AOP_INDPTRn(result)) {
genSetDPTR(AOP(result)->aopu.dptr);
}
- genPackBits ((IS_BITVAR (retype) ? retype : letype), right, "dptr", FPOINTER);
+ genPackBits ((IS_BITFIELD (retype) ? retype : letype), right, "dptr", FPOINTER);
if (AOP_INDPTRn(result)) {
genSetDPTR(0);
}
offset = 0;
if (AOP_INDPTRn(result) && AOP_USESDPTR(right)) {
while (size--) {
- char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
genSetDPTR(AOP(result)->aopu.dptr);
emitcode ("movx", "@dptr,a");
} else {
_startLazyDPSEvaluation ();
while (size--) {
- char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
if (AOP_INDPTRn(result)) {
genSetDPTR(AOP(result)->aopu.dptr);
if (dopi && pi && AOP_TYPE (result) != AOP_IMMD) {
if (!AOP_INDPTRn(result)) {
+ _startLazyDPSEvaluation ();
+
aopPut (AOP(result),"dpl",0);
aopPut (AOP(result),"dph",1);
if (options.model == MODEL_FLAT24)
aopPut (AOP(result),"dpx",2);
+
+ _endLazyDPSEvaluation ();
}
pi->generated=1;
} else if ((OP_SYMBOL(result)->ruonly || AOP_INDPTRn(result)) &&
sym_link *retype = getSpec (operandType (right));
sym_link *letype = getSpec (operandType (result));
- aopOp (result, ic, FALSE, OP_SYMBOL(result)->ruonly ? FALSE : TRUE);
+ aopOp (result, ic, FALSE, AOP_IS_STR(result) ? FALSE : TRUE);
/* if the operand is already in dptr
then we do nothing else we move the value to dptr */
/* if this is remateriazable */
if (AOP_TYPE (result) == AOP_IMMD)
{
- emitcode ("mov", "dptr,%s", aopGet (AOP (result), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (result), 0, TRUE, FALSE, NULL));
if (AOP(result)->aopu.aop_immd.from_cast_remat)
- emitcode ("mov", "b,%s",aopGet(AOP (result), AOP_SIZE(result)-1, FALSE, FALSE, FALSE));
+ {
+ MOVB(aopGet(AOP (result), AOP_SIZE(result)-1, FALSE, FALSE, NULL));
+ }
else
- emitcode ("mov", "b,%s + 1", aopGet (AOP (result), 0, TRUE, FALSE, FALSE));
+ {
+ emitcode ("mov",
+ "b,%s + 1", aopGet (AOP (result), 0, TRUE, FALSE, NULL));
+ }
}
else
{ /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (result), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (result), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (result), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, TRUE));
- emitcode ("mov", "b,%s", aopGet (AOP (result), 3, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (result), 2, FALSE, FALSE, NULL));
+ emitcode ("mov", "b,%s", aopGet (AOP (result), 3, FALSE, FALSE, NULL));
} else {
- emitcode ("mov", "b,%s", aopGet (AOP (result), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "b,%s", aopGet (AOP (result), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
}
- /* so dptr know contains the address */
+ /* so dptr + b now contains the address */
+ _G.bInUse++;
aopOp (right, ic, FALSE, TRUE);
+ _G.bInUse--;
+
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
- genPackBits ((IS_BITVAR (retype) ? retype : letype), right, "dptr", GPOINTER);
+ if (IS_BITFIELD (retype) || IS_BITFIELD (letype))
+ {
+ genPackBits ((IS_BITFIELD (retype) ? retype : letype), right, "dptr", GPOINTER);
+ }
else
{
- size = AOP_SIZE (right);
- offset = 0;
+ size = AOP_SIZE (right);
+ offset = 0;
- _startLazyDPSEvaluation ();
- while (size--)
+ _startLazyDPSEvaluation ();
+ while (size--)
{
- char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
- MOVA (l);
-
- genSetDPTR (0);
- _flushLazyDPS ();
+ if (size)
+ {
+ // Set two bytes at a time, passed in _AP & A.
+ // dptr will be incremented ONCE by __gptrputWord.
+ //
+ // Note: any change here must be coordinated
+ // with the implementation of __gptrputWord
+ // in device/lib/_gptrput.c
+ emitcode("mov", "_ap, %s",
+ aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
+ MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
+
+ genSetDPTR (0);
+ _flushLazyDPS ();
+ emitcode ("lcall", "__gptrputWord");
+ size--;
+ }
+ else
+ {
+ // Only one byte to put.
+ MOVA (aopGet (AOP (right), offset++, FALSE, FALSE, NULL));
- emitcode ("lcall", "__gptrput");
- if (size || (pi && AOP_TYPE (result) != AOP_IMMD))
- emitcode ("inc", "dptr");
+ genSetDPTR (0);
+ _flushLazyDPS ();
+ emitcode ("lcall", "__gptrput");
+ }
+
+ if (size || (pi && AOP_TYPE (result) != AOP_IMMD))
+ {
+ emitcode ("inc", "dptr");
+ }
}
- _endLazyDPSEvaluation ();
+ _endLazyDPSEvaluation ();
}
if (pi && AOP_TYPE (result) != AOP_IMMD) {
+ _startLazyDPSEvaluation ();
+
aopPut (AOP(result),"dpl",0);
aopPut (AOP(result),"dph",1);
if (options.model == MODEL_FLAT24) {
} else {
aopPut (AOP(result),"b",2);
}
+ _endLazyDPSEvaluation ();
+
pi->generated=1;
} else if (OP_SYMBOL(result)->ruonly && AOP_SIZE(right) > 1 &&
(OP_SYMBOL (result)->liveTo > ic->seq || ic->depth)) {
sym_link *type, *etype;
int p_type;
- D (emitcode (";", "genPointerSet ");
- );
+ D (emitcode (";", "genPointerSet "););
right = IC_RIGHT (ic);
result = IC_RESULT (ic);
if (p_type == GPOINTER && OP_SYMBOL(result)->remat &&
IS_CAST_ICODE(OP_SYMBOL(result)->rematiCode)) {
result = IC_RIGHT(OP_SYMBOL(result)->rematiCode);
- type = type = operandType (result);
+ type = operandType (result);
p_type = DCL_TYPE (type);
}
/* get the value into acc */
if (AOP_TYPE (cond) != AOP_CRY)
- toBoolean (cond);
+ {
+ toBoolean (cond);
+ }
else
- isbit = 1;
+ {
+ isbit = 1;
+ }
+
/* the result is now in the accumulator */
freeAsmop (cond, NULL, ic, TRUE);
/* if the condition is a bit variable */
if (isbit && IS_ITEMP (cond) &&
SPIL_LOC (cond))
- genIfxJump (ic, SPIL_LOC (cond)->rname);
+ {
+ genIfxJump (ic, SPIL_LOC (cond)->rname);
+ }
else if (isbit && !IS_ITEMP (cond))
- genIfxJump (ic, OP_SYMBOL (cond)->rname);
+ {
+ genIfxJump (ic, OP_SYMBOL (cond)->rname);
+ }
else
- genIfxJump (ic, "a");
+ {
+ genIfxJump (ic, "a");
+ }
ic->generated = 1;
}
/* if 10 bit stack */
if (options.stack10bit) {
char buff[10];
- tsprintf(buff,"#!constbyte",(options.stack_loc >> 16) & 0xff);
+ int offset;
+
+ tsprintf(buff, sizeof(buff),
+ "#!constbyte",(options.stack_loc >> 16) & 0xff);
/* if it has an offset then we need to compute it */
/* emitcode ("subb", "a,#!constbyte", */
/* -((sym->stack < 0) ? */
((char) sym->stack )) & 0xff);
emitcode ("mov", "b,a");
emitcode ("mov", "a,_bpx+1");
- emitcode ("addc","a,#!constbyte", (((sym->stack < 0) ?
- ((short) (sym->stack - _G.nRegsSaved)) :
- ((short) sym->stack )) >> 8) & 0xff);
+
+ offset = (((sym->stack < 0) ?
+ ((short) (sym->stack - _G.nRegsSaved)) :
+ ((short) sym->stack )) >> 8) & 0xff;
+
+ emitcode ("addc","a,#!constbyte", offset);
+
aopPut (AOP (IC_RESULT (ic)), "b", 0);
aopPut (AOP (IC_RESULT (ic)), "a", 1);
aopPut (AOP (IC_RESULT (ic)), buff, 2);
if (offset) {
switch (offset) {
case 1:
- tsprintf(s,"!his",sym->rname);
+ tsprintf(s, sizeof(s), "#!his",sym->rname);
break;
case 2:
- tsprintf(s,"!hihis",sym->rname);
+ tsprintf(s, sizeof(s), "#!hihis",sym->rname);
break;
case 3:
- tsprintf(s,"!hihihis",sym->rname);
+ tsprintf(s, sizeof(s), "#!hihihis",sym->rname);
break;
default: /* should not need this (just in case) */
- sprintf (s, "#(%s >> %d)",
+ SNPRINTF (s, sizeof(s), "#(%s >> %d)",
sym->rname,
offset * 8);
}
- } else
- sprintf (s, "#%s", sym->rname);
+ }
+ else
+ {
+ SNPRINTF (s, sizeof(s), "#%s", sym->rname);
+ }
+
aopPut (AOP (IC_RESULT (ic)), s, offset++);
}
}
+#if 0 // obsolete, and buggy for != xdata
/*-----------------------------------------------------------------*/
/* genArrayInit - generates code for address of */
/*-----------------------------------------------------------------*/
{
// Load immediate value into DPTR.
emitcode("mov", "dptr, %s",
- aopGet(AOP(IC_LEFT(ic)), 0, TRUE, FALSE, TRUE));
+ aopGet(AOP(IC_LEFT(ic)), 0, TRUE, FALSE, NULL));
}
else if (AOP_TYPE(IC_LEFT(ic)) != AOP_DPTR)
{
exit(1);
#else
// a regression because of SDCCcse.c:1.52
- emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (left), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (left), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (left), 2, FALSE, FALSE, NULL));
#endif
}
freeAsmop (IC_LEFT(ic), NULL, ic, TRUE);
}
+#endif
/*-----------------------------------------------------------------*/
/* genFarFarAssign - assignment when both are in far space */
{
/* quick & easy case. */
D(emitcode(";","genFarFarAssign (1 byte case)"););
- MOVA(aopGet(AOP(right), 0, FALSE, FALSE, TRUE));
+ MOVA(aopGet(AOP(right), 0, FALSE, FALSE, NULL));
freeAsmop (right, NULL, ic, FALSE);
/* now assign DPTR to result */
_G.accInUse++;
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE), offset);
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL), offset);
offset++;
}
_endLazyDPSEvaluation ();
while (size && ((unsigned int) (lit >> (offset * 8)) != 0))
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, TRUE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
size--;
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
aopOp (IC_JTCOND (ic), ic, FALSE, FALSE);
/* get the condition into accumulator */
- l = aopGet (AOP (IC_JTCOND (ic)), 0, FALSE, FALSE, TRUE);
+ l = aopGet (AOP (IC_JTCOND (ic)), 0, FALSE, FALSE, NULL);
MOVA (l);
/* multiply by four! */
emitcode ("add", "a,acc");
operand *right = IC_RIGHT (ic);
int size, offset;
- D (emitcode (";", "genCast ");
- );
+ D (emitcode (";", "genCast "););
/* if they are equivalent then do nothing */
if (operandsEqu (IC_RESULT (ic), IC_RIGHT (ic)))
return;
- aopOp (right, ic, FALSE, FALSE);
- aopOp (result, ic, FALSE, AOP_TYPE (right) == AOP_DPTR);
+ aopOp (right, ic, FALSE, AOP_IS_STR (result));
+ aopOp (result, ic, FALSE, (AOP_TYPE(right) == AOP_DPTR));
/* if the result is a bit */
- // if (AOP_TYPE (result) == AOP_CRY) /* works only for true symbols */
- if (IS_BITVAR(OP_SYMBOL(result)->type))
+ if (IS_BITVAR (OP_SYMBOL (result)->type)
+ && !IS_BITFIELD (OP_SYMBOL (result)->type) )
{
/* if the right size is a literal then
we know what the value is */
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
exit(1);
}
- sprintf(gpValStr, "#0x%d", gpVal);
+ SNPRINTF(gpValStr, sizeof(gpValStr), "#0x%d", gpVal);
aopPut (AOP (result), gpValStr, GPTRSIZE - 1);
}
goto release;
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
while (size--)
{
aopPut (AOP (result),
- aopGet (AOP (right), offset, FALSE, FALSE, FALSE),
+ aopGet (AOP (right), offset, FALSE, FALSE, NULL),
offset);
offset++;
}
/* also, if the source is a bit, we don't need to sign extend, because
* it can't possibly have set the sign bit.
*/
- if (SPEC_USIGN (rtype) || !IS_SPEC (rtype) || AOP_TYPE (right) == AOP_CRY)
+ if (!IS_SPEC (rtype) || SPEC_USIGN (rtype) || AOP_TYPE (right) == AOP_CRY)
{
while (size--)
{
else
{
/* we need to extend the sign :{ */
- char *l = aopGet (AOP (right), AOP_SIZE (right) - 1,
- FALSE, FALSE, TRUE);
- MOVA (l);
+ MOVA (aopGet (AOP (right), AOP_SIZE (right) - 1,
+ FALSE, FALSE, NULL));
emitcode ("rlc", "a");
emitcode ("subb", "a,acc");
while (size--)
* the accumulator, we must explicitly write
* it back after the decrement.
*/
- char *rByte = aopGet(AOP(IC_RESULT(ic)), 0, FALSE, FALSE, TRUE);
+ char *rByte = aopGet(AOP(IC_RESULT(ic)), 0, FALSE, FALSE, NULL);
if (strcmp(rByte, "a"))
{
else if (IS_AOP_PREG (IC_RESULT (ic)))
{
emitcode ("dec", "%s",
- aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, FALSE));
- emitcode ("mov", "a,%s", aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, FALSE));
+ aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "a,%s", aopGet (AOP (IC_RESULT (ic)), 0, FALSE, FALSE, NULL));
emitcode ("jnz", "!tlabel", lbl->key + 100);
}
else
{
- emitcode ("djnz", "%s,!tlabel", aopGet (AOP (IC_RESULT (ic)), 0, FALSE, TRUE, FALSE),
+ emitcode ("djnz", "%s,!tlabel", aopGet (AOP (IC_RESULT (ic)), 0, FALSE, TRUE, NULL),
lbl->key + 100);
}
emitcode ("sjmp", "!tlabel", lbl1->key + 100);
static void
genReceive (iCode * ic)
{
-
int size = getSize (operandType (IC_RESULT (ic)));
int offset = 0;
int rb1off ;
- D (emitcode (";", "genReceive ");
- );
+ D (emitcode (";", "genReceive "););
- if (ic->argreg == 1) { /* first parameter */
- if (isOperandInFarSpace (IC_RESULT (ic)) &&
- (OP_SYMBOL (IC_RESULT (ic))->isspilt ||
- IS_TRUE_SYMOP (IC_RESULT (ic))))
- {
- offset = fReturnSizeDS390 - size;
- while (size--)
- {
- emitcode ("push", "%s", (strcmp (fReturn[fReturnSizeDS390 - offset - 1], "a") ?
- fReturn[fReturnSizeDS390 - offset - 1] : "acc"));
- offset++;
- }
- aopOp (IC_RESULT (ic), ic, FALSE, FALSE);
- size = AOP_SIZE (IC_RESULT (ic));
- offset = 0;
- while (size--)
- {
- emitcode ("pop", "acc");
- aopPut (AOP (IC_RESULT (ic)), "a", offset++);
- }
-
- } else {
- _G.accInUse++;
- aopOp (IC_RESULT (ic), ic, FALSE, FALSE);
- _G.accInUse--;
- assignResultValue (IC_RESULT (ic));
- }
- } else { /* second receive onwards */
- /* this gets a little tricky since unused recevies will be
+ if (ic->argreg == 1)
+ {
+ /* first parameter */
+ if (AOP_IS_STR(IC_RESULT(ic)))
+ {
+ /* Nothing to do: it's already in the proper place. */
+ return;
+ }
+ else
+ {
+ bool useDp2;
+
+ useDp2 = isOperandInFarSpace (IC_RESULT (ic)) &&
+ (OP_SYMBOL (IC_RESULT (ic))->isspilt ||
+ IS_TRUE_SYMOP (IC_RESULT (ic)));
+
+ _G.accInUse++;
+ aopOp (IC_RESULT (ic), ic, FALSE, useDp2);
+ _G.accInUse--;
+
+ /* Sanity checking... */
+ if (AOP_USESDPTR(IC_RESULT(ic)))
+ {
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "genReceive got unexpected DPTR.");
+ }
+ assignResultValue (IC_RESULT (ic));
+ }
+ }
+ else
+ {
+ /* second receive onwards */
+ /* this gets a little tricky since unused recevies will be
eliminated, we have saved the reg in the type field . and
we use that to figure out which register to use */
- aopOp (IC_RESULT (ic), ic, FALSE, FALSE);
- rb1off = ic->argreg;
- while (size--) {
- aopPut (AOP (IC_RESULT (ic)), rb1regs[rb1off++ -5], offset++);
- }
-
- }
- freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
+ aopOp (IC_RESULT (ic), ic, FALSE, FALSE);
+ rb1off = ic->argreg;
+ while (size--)
+ {
+ aopPut (AOP (IC_RESULT (ic)), rb1regs[rb1off++ -5], offset++);
+ }
+ }
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
aopOp (from, ic->next, FALSE, FALSE);
/* get from into DPTR1 */
- emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, NULL));
}
freeAsmop (from, NULL, ic, FALSE);
if (AOP_TYPE (to) != AOP_STR) {
/* if already in DPTR then we need to push */
if (AOP_TYPE(to) == AOP_DPTR) {
- emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, TRUE));
+ emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
} else {
_startLazyDPSEvaluation ();
/* if this is remateriazable */
if (AOP_TYPE (to) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, NULL));
} else { /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
/* now for the actual copy */
if (AOP_TYPE(count) == AOP_LIT &&
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
- emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,NULL));
if (fromc) {
emitcode ("lcall","__bi_memcpyc2x_s");
} else {
symbol *lbl1 = newiTempLabel(NULL);
emitcode (";"," Auto increment but no djnz");
- emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, TRUE));
- emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, TRUE));
+ emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, NULL));
+ emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, NULL));
freeAsmop (count, NULL, ic, FALSE);
emitcode ("mov", "dps,#!constbyte",0x21); /* Select DPTR2 & auto-toggle. */
emitcode ("","!tlabeldef",lbl->key+100);
aopOp (from, ic->next, FALSE, FALSE);
/* get from into DPTR1 */
- emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, NULL));
}
freeAsmop (from, NULL, ic, FALSE);
if (AOP_TYPE (to) != AOP_STR) {
/* if already in DPTR then we need to push */
if (AOP_TYPE(to) == AOP_DPTR) {
- emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, TRUE));
+ emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
} else {
_startLazyDPSEvaluation ();
/* if this is remateriazable */
if (AOP_TYPE (to) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, NULL));
} else { /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
/* now for the actual compare */
if (AOP_TYPE(count) == AOP_LIT &&
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
- emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,NULL));
if (fromc)
emitcode("lcall","__bi_memcmpc2x_s");
else
emitcode("push","ar0");
emitcode (";"," Auto increment but no djnz");
- emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, TRUE));
- emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, TRUE));
+ emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, NULL));
+ emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, NULL));
freeAsmop (count, NULL, ic, FALSE);
emitcode ("mov", "dps,#!constbyte",0x21); /* Select DPTR2 & auto-toggle. */
emitcode ("","!tlabeldef",lbl->key+100);
aopOp (from, ic->next, FALSE, FALSE);
/* get from into DPTR1 */
- emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, NULL));
}
freeAsmop (from, NULL, ic, FALSE);
if (AOP_TYPE (to) != AOP_STR) {
/* if already in DPTR then we need to push */
if (AOP_TYPE(to) == AOP_DPTR) {
- emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, TRUE));
+ emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
} else {
_startLazyDPSEvaluation ();
/* if this is remateriazable */
if (AOP_TYPE (to) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, NULL));
} else { /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
emitcode (";","OH JOY auto increment with djnz (very fast)");
emitcode ("mov", "dps,#!constbyte",0x1); /* Select DPTR2 */
- emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,NULL));
freeAsmop (count, NULL, ic, FALSE);
emitcode ("","!tlabeldef",lbl->key+100);
emitcode ("movx", "a,@dptr"); /* read data from port */
symbol *lbl1 = newiTempLabel(NULL);
emitcode (";"," Auto increment but no djnz");
- emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, TRUE));
- emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, TRUE));
+ emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, NULL));
+ emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, NULL));
freeAsmop (count, NULL, ic, FALSE);
emitcode ("mov", "dps,#!constbyte",0x1); /* Select DPTR2 */
emitcode ("","!tlabeldef",lbl->key+100);
aopOp (from, ic->next, FALSE, FALSE);
/* get from into DPTR1 */
- emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl1,%s", aopGet (AOP (from), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph1,%s", aopGet (AOP (from), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, NULL));
}
freeAsmop (from, NULL, ic, FALSE);
if (AOP_TYPE (to) != AOP_STR) {
/* if already in DPTR then we need to push */
if (AOP_TYPE(to) == AOP_DPTR) {
- emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, TRUE));
+ emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
} else {
_startLazyDPSEvaluation ();
/* if this is remateriazable */
if (AOP_TYPE (to) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, NULL));
} else { /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
emitcode (";","OH JOY auto increment with djnz (very fast)");
emitcode ("mov", "dps,#!constbyte",0x0); /* Select DPTR */
- emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,NULL));
emitcode ("","!tlabeldef",lbl->key+100);
emitcode ("movx", "a,@dptr"); /* read data from port */
emitcode ("inc","dps"); /* switch to DPTR2 */
symbol *lbl1 = newiTempLabel(NULL);
emitcode (";"," Auto increment but no djnz");
- emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, TRUE));
- emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, TRUE));
+ emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, NULL));
+ emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, NULL));
freeAsmop (count, NULL, ic, FALSE);
emitcode ("mov", "dps,#!constbyte",0x0); /* Select DPTR */
emitcode ("","!tlabeldef",lbl->key+100);
assert(getSize(operandType(src))==2);
aopOp (src, ic, FALSE, FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(src),0,FALSE,FALSE,TRUE));
+ emitcode ("mov","a,%s",aopGet(AOP(src),0,FALSE,FALSE,NULL));
_G.accInUse++;
- emitcode ("mov","b,%s",aopGet(AOP(src),1,FALSE,FALSE,FALSE));
+ MOVB(aopGet(AOP(src),1,FALSE,FALSE,"b"));
_G.accInUse--;
freeAsmop (src, NULL, ic, FALSE);
symbol *lbl;
char *l;
int i;
- bitVect *rsave = NULL;
+ bitVect *rsave;
/* we know it has to be 3 parameters */
assert (nparms == 3);
if (AOP_TYPE (to) != AOP_STR) {
/* if already in DPTR then we need to push */
if (AOP_TYPE(to) == AOP_DPTR) {
- emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, TRUE));
- emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, TRUE));
+ emitcode ("push", "%s", aopGet (AOP (to), 0, FALSE, TRUE, NULL));
+ emitcode ("push", "%s", aopGet (AOP (to), 1, FALSE, TRUE, NULL));
if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
emitcode ("pop", "dph");
emitcode ("pop", "dpl");
} else {
_startLazyDPSEvaluation ();
/* if this is remateriazable */
if (AOP_TYPE (to) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s", aopGet (AOP (to), 0, TRUE, FALSE, NULL));
} else { /* we need to get it byte by byte */
- emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, TRUE));
- emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpl,%s", aopGet (AOP (to), 0, FALSE, FALSE, NULL));
+ emitcode ("mov", "dph,%s", aopGet (AOP (to), 1, FALSE, FALSE, NULL));
if (options.model == MODEL_FLAT24) {
- emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, NULL));
}
}
_endLazyDPSEvaluation ();
/* now for the actual copy */
if (AOP_TYPE(count) == AOP_LIT &&
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
- l = aopGet(AOP (val), 0, FALSE, FALSE, TRUE);
- emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ l = aopGet(AOP (val), 0, FALSE, FALSE, NULL);
+ emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,NULL));
MOVA(l);
emitcode ("","!tlabeldef",lbl->key+100);
emitcode ("movx", "@dptr,a");
} else {
symbol *lbl1 = newiTempLabel(NULL);
- emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, TRUE));
- emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, TRUE));
+ emitcode ("mov","_ap,%s",aopGet (AOP (count), 0, FALSE, TRUE, NULL));
+ emitcode ("mov","b,%s",aopGet (AOP (count), 1, FALSE, TRUE, NULL));
emitcode ("","!tlabeldef",lbl->key+100);
- l = aopGet(AOP (val), 0, FALSE, FALSE, TRUE);
- MOVA(l);
+ MOVA (aopGet(AOP (val), 0, FALSE, FALSE, NULL));
emitcode ("movx", "@dptr,a");
emitcode ("inc", "dptr");
emitcode ("mov","a,b");
pnum = parms[0];
aopOp (pnum, ic, FALSE, FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(pnum),0,FALSE,FALSE,FALSE));
+ emitcode ("mov","a,%s",aopGet(AOP(pnum),0,FALSE,FALSE,DP2_RESULT_REG));
freeAsmop (pnum, NULL, ic, FALSE);
emitcode ("lcall","NatLib_LoadPrimitive");
aopOp (result=IC_RESULT(ic), ic, FALSE, FALSE);
emitcode ("push","a%s",javaRet[i]);
}
for (i=0; i < size ; i++ ) {
- emitcode ("pop","a%s",aopGet(AOP(result),i,FALSE,FALSE,FALSE));
+ emitcode ("pop","a%s",
+ aopGet(AOP(result),i,FALSE,FALSE,DP2_RESULT_REG));
}
} else {
for (i = 0 ; i < size ; i++ ) {
pnum = parms[0];
aopOp (pnum, ic, FALSE, FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(pnum),0,FALSE,FALSE,FALSE));
+ emitcode ("mov","a,%s",aopGet(AOP(pnum),0,FALSE,FALSE,DP2_RESULT_REG));
freeAsmop (pnum, NULL, ic, FALSE);
emitcode ("lcall","NatLib_LoadPointer");
aopOp (result=IC_RESULT(ic), ic, FALSE, FALSE);
aopOp (psb, ic, FALSE, FALSE);
if (AOP_TYPE (psb) == AOP_IMMD) {
emitcode ("mov","dps,#1");
- emitcode ("mov", "dptr,%s", aopGet (AOP (psb), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s",
+ aopGet (AOP (psb), 0, TRUE, FALSE, DP2_RESULT_REG));
emitcode ("mov","dps,#0");
} else {
- emitcode ("mov","dpl1,%s",aopGet(AOP(psb),0,FALSE,FALSE,FALSE));
- emitcode ("mov","dph1,%s",aopGet(AOP(psb),1,FALSE,FALSE,FALSE));
- emitcode ("mov","dpx1,%s",aopGet(AOP(psb),2,FALSE,FALSE,FALSE));
+ emitcode ("mov","dpl1,%s",aopGet(AOP(psb),0,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dph1,%s",aopGet(AOP(psb),1,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dpx1,%s",aopGet(AOP(psb),2,FALSE,FALSE,DP2_RESULT_REG));
}
freeAsmop (psb, NULL, ic, FALSE);
/* put handle into r3:r2 */
aopOp (handle, ic, FALSE, FALSE);
if (aopHasRegs(AOP(handle),R2_IDX,R3_IDX)) {
- emitcode ("push","%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode ("push","%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode ("push","%s",aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("push","%s",aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
emitcode ("pop","ar3");
emitcode ("pop","ar2");
} else {
- emitcode ("mov","r2,%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode ("mov","r2,%s",aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
}
freeAsmop (psb, NULL, ic, FALSE);
if (aopHasRegs(AOP(IC_RESULT(ic)),R2_IDX,R3_IDX)) {
emitcode ("push","ar3");
emitcode ("push","ar2");
- emitcode ("pop","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,TRUE,FALSE));
- emitcode ("pop","%s",aopGet(AOP(IC_RESULT(ic)),1,FALSE,TRUE,FALSE));
+ emitcode ("pop","%s",
+ aopGet(AOP(IC_RESULT(ic)),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("pop","%s",
+ aopGet(AOP(IC_RESULT(ic)),1,FALSE,TRUE,DP2_RESULT_REG));
} else {
aopPut(AOP(IC_RESULT(ic)),"r2",0);
aopPut(AOP(IC_RESULT(ic)),"r3",1);
/* put the size in R4-R2 */
if (aopHasRegs(AOP(bsize),R2_IDX, (size==3 ? R4_IDX: R3_IDX))) {
- emitcode("push","%s",aopGet(AOP(bsize),0,FALSE,TRUE,FALSE));
- emitcode("push","%s",aopGet(AOP(bsize),1,FALSE,TRUE,FALSE));
+ emitcode("push","%s",aopGet(AOP(bsize),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode("push","%s",aopGet(AOP(bsize),1,FALSE,TRUE,DP2_RESULT_REG));
if (size==3) {
- emitcode("push","%s",aopGet(AOP(bsize),2,FALSE,TRUE,FALSE));
+ emitcode("push","%s",aopGet(AOP(bsize),2,FALSE,TRUE,DP2_RESULT_REG));
emitcode("pop","ar4");
}
emitcode("pop","ar3");
emitcode("pop","ar2");
} else {
- emitcode ("mov","r2,%s",aopGet(AOP(bsize),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(bsize),1,FALSE,TRUE,FALSE));
+ emitcode ("mov","r2,%s",aopGet(AOP(bsize),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",aopGet(AOP(bsize),1,FALSE,TRUE,DP2_RESULT_REG));
if (size==3) {
- emitcode("mov","r4,%s",aopGet(AOP(bsize),2,FALSE,TRUE,FALSE));
+ emitcode("mov","r4,%s",aopGet(AOP(bsize),2,FALSE,TRUE,DP2_RESULT_REG));
}
}
freeAsmop (bsize, NULL, ic, FALSE);
if (aopHasRegs(AOP(IC_RESULT(ic)),R2_IDX,R3_IDX)) {
emitcode ("push","ar3");
emitcode ("push","ar2");
- emitcode ("pop","%s",aopGet(AOP(IC_RESULT(ic)),0,FALSE,TRUE,FALSE));
- emitcode ("pop","%s",aopGet(AOP(IC_RESULT(ic)),1,FALSE,TRUE,FALSE));
+ emitcode ("pop","%s",
+ aopGet(AOP(IC_RESULT(ic)),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("pop","%s",
+ aopGet(AOP(IC_RESULT(ic)),1,FALSE,TRUE,DP2_RESULT_REG));
} else {
aopPut(AOP(IC_RESULT(ic)),"r2",0);
aopPut(AOP(IC_RESULT(ic)),"r3",1);
/* put the size in R4-R2 */
if (aopHasRegs(AOP(handle),R2_IDX,R3_IDX)) {
- emitcode("push","%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode("push","%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode("push","%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode("push","%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
emitcode("pop","ar3");
emitcode("pop","ar2");
} else {
- emitcode ("mov","r2,%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode ("mov","r2,%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
}
freeAsmop (handle, NULL, ic, FALSE);
if (rsym->liveFrom != rsym->liveTo) {
aopOp (IC_RESULT(ic),ic,FALSE,FALSE);
if (AOP_TYPE(IC_RESULT(ic)) != AOP_STR) {
+ _startLazyDPSEvaluation ();
+
aopPut(AOP(IC_RESULT(ic)),"dpl",0);
aopPut(AOP(IC_RESULT(ic)),"dph",1);
aopPut(AOP(IC_RESULT(ic)),"dpx",2);
+
+ _endLazyDPSEvaluation ();
+
}
}
}
/* put the size in R3-R2 */
if (aopHasRegs(AOP(handle),R2_IDX,R3_IDX)) {
- emitcode("push","%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode("push","%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode("push","%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode("push","%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
emitcode("pop","ar3");
emitcode("pop","ar2");
} else {
- emitcode ("mov","r2,%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode ("mov","r2,%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
}
freeAsmop (handle, NULL, ic, FALSE);
/* put the handle in R3-R2 */
aopOp (handle,ic,FALSE,FALSE);
if (aopHasRegs(AOP(handle),R2_IDX,R3_IDX)) {
- emitcode("push","%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode("push","%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode("push","%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode("push","%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
emitcode("pop","ar3");
emitcode("pop","ar2");
} else {
- emitcode ("mov","r2,%s",aopGet(AOP(handle),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(handle),1,FALSE,TRUE,FALSE));
+ emitcode ("mov","r2,%s",
+ aopGet(AOP(handle),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",
+ aopGet(AOP(handle),1,FALSE,TRUE,DP2_RESULT_REG));
}
freeAsmop (handle, NULL, ic, FALSE);
/* put pointer in DPTR */
aopOp (pp,ic,FALSE,FALSE);
if (AOP_TYPE(pp) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (pp), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s",
+ aopGet (AOP (pp), 0, TRUE, FALSE, NULL));
} else if (AOP_TYPE(pp) != AOP_STR) { /* not already in dptr */
- emitcode ("mov","dpl,%s",aopGet(AOP(pp),0,FALSE,FALSE,FALSE));
- emitcode ("mov","dph,%s",aopGet(AOP(pp),1,FALSE,FALSE,FALSE));
- emitcode ("mov","dpx,%s",aopGet(AOP(pp),2,FALSE,FALSE,FALSE));
+ emitcode ("mov","dpl,%s",aopGet(AOP(pp),0,FALSE,FALSE,NULL));
+ emitcode ("mov","dph,%s",aopGet(AOP(pp),1,FALSE,FALSE,NULL));
+ emitcode ("mov","dpx,%s",aopGet(AOP(pp),2,FALSE,FALSE,NULL));
}
freeAsmop (handle, NULL, ic, FALSE);
aopOp (pp,ic,FALSE,FALSE);
if (AOP_TYPE (pp) == AOP_IMMD) {
emitcode ("mov","dps,#1");
- emitcode ("mov", "dptr,%s", aopGet (AOP (pp), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s",
+ aopGet (AOP (pp), 0, TRUE, FALSE, NULL));
emitcode ("mov","dps,#0");
} else {
- emitcode ("mov","dpl1,%s",aopGet(AOP(pp),0,FALSE,FALSE,FALSE));
- emitcode ("mov","dph1,%s",aopGet(AOP(pp),1,FALSE,FALSE,FALSE));
- emitcode ("mov","dpx1,%s",aopGet(AOP(pp),2,FALSE,FALSE,FALSE));
+ emitcode ("mov","dpl1,%s",
+ aopGet(AOP(pp),0,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dph1,%s",
+ aopGet(AOP(pp),1,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dpx1,%s",
+ aopGet(AOP(pp),2,FALSE,FALSE,DP2_RESULT_REG));
}
freeAsmop (pp, NULL, ic, FALSE);
aopOp(to,ic,FALSE,FALSE);
if (aopHasRegs(AOP(to),R2_IDX,R3_IDX) ||
aopHasRegs(AOP(to),R0_IDX,R1_IDX) ) {
- emitcode ("push","%s",aopGet(AOP(to),0,FALSE,TRUE,FALSE));
- emitcode ("push","%s",aopGet(AOP(to),1,FALSE,TRUE,FALSE));
- emitcode ("push","%s",aopGet(AOP(to),2,FALSE,TRUE,FALSE));
- emitcode ("push","%s",aopGet(AOP(to),3,FALSE,TRUE,FALSE));
+ emitcode ("push","%s",
+ aopGet(AOP(to),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("push","%s",
+ aopGet(AOP(to),1,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("push","%s",
+ aopGet(AOP(to),2,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("push","%s",
+ aopGet(AOP(to),3,FALSE,TRUE,DP2_RESULT_REG));
emitcode ("pop","ar3");
emitcode ("pop","ar2");
emitcode ("pop","ar1");
emitcode ("pop","ar0");
} else {
- emitcode ("mov","r0,%s",aopGet(AOP(to),0,FALSE,TRUE,FALSE));
- emitcode ("mov","r1,%s",aopGet(AOP(to),1,FALSE,TRUE,FALSE));
- emitcode ("mov","r2,%s",aopGet(AOP(to),2,FALSE,TRUE,FALSE));
- emitcode ("mov","r3,%s",aopGet(AOP(to),3,FALSE,TRUE,FALSE));
+ emitcode ("mov","r0,%s",
+ aopGet(AOP(to),0,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r1,%s",
+ aopGet(AOP(to),1,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r2,%s",
+ aopGet(AOP(to),2,FALSE,TRUE,DP2_RESULT_REG));
+ emitcode ("mov","r3,%s",
+ aopGet(AOP(to),3,FALSE,TRUE,DP2_RESULT_REG));
}
freeAsmop (to, NULL, ic, FALSE);
/* suspend in acc */
s = parms[1];
aopOp(s,ic,FALSE,FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(s),0,FALSE,TRUE,FALSE));
+ emitcode ("mov","a,%s",
+ aopGet(AOP(s),0,FALSE,TRUE,NULL));
freeAsmop (s, NULL, ic, FALSE);
/* make the call */
/* PID in R0 */
aopOp(pid,ic,FALSE,FALSE);
- emitcode ("mov","r0,%s",aopGet(AOP(pid),0,FALSE,TRUE,FALSE));
+ emitcode ("mov","r0,%s",
+ aopGet(AOP(pid),0,FALSE,TRUE,DP2_RESULT_REG));
freeAsmop (pid, NULL, ic, FALSE);
/* tid into ACC */
aopOp(tid,ic,FALSE,FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(tid),0,FALSE,TRUE,FALSE));
+ emitcode ("mov","a,%s",
+ aopGet(AOP(tid),0,FALSE,TRUE,DP2_RESULT_REG));
freeAsmop (tid, NULL, ic, FALSE);
emitcode ("lcall","System_ThreadResume");
/* pid into ACC */
aopOp(pid,ic,FALSE,FALSE);
- emitcode ("mov","a,%s",aopGet(AOP(pid),0,FALSE,TRUE,FALSE));
+ emitcode ("mov","a,%s",
+ aopGet(AOP(pid),0,FALSE,TRUE,DP2_RESULT_REG));
freeAsmop (pid, NULL, ic, FALSE);
emitcode ("lcall","System_ProcessResume");
fp = parms[0];
aopOp (fp,ic,FALSE,FALSE);
if (AOP_TYPE (fp) == AOP_IMMD) {
- emitcode ("mov", "dptr,%s", aopGet (AOP (fp), 0, TRUE, FALSE, FALSE));
+ emitcode ("mov", "dptr,%s",
+ aopGet (AOP (fp), 0, TRUE, FALSE, DP2_RESULT_REG));
} else if (AOP_TYPE(fp) != AOP_STR) { /* not already in dptr */
- emitcode ("mov","dpl,%s",aopGet(AOP(fp),0,FALSE,FALSE,FALSE));
- emitcode ("mov","dph,%s",aopGet(AOP(fp),1,FALSE,FALSE,FALSE));
- emitcode ("mov","dpx,%s",aopGet(AOP(fp),2,FALSE,FALSE,FALSE));
+ emitcode ("mov","dpl,%s",
+ aopGet(AOP(fp),0,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dph,%s",
+ aopGet(AOP(fp),1,FALSE,FALSE,DP2_RESULT_REG));
+ emitcode ("mov","dpx,%s",
+ aopGet(AOP(fp),2,FALSE,FALSE,DP2_RESULT_REG));
}
freeAsmop (fp, NULL, ic, FALSE);
}
}
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+ operand *op;
+ int size, offset;
+
+ D(emitcode("; genDummyRead",""));
+
+ op = IC_RIGHT (ic);
+ if (op && IS_SYMOP (op))
+ {
+ aopOp (op, ic, FALSE, FALSE);
+
+ /* if the result is a bit */
+ if (AOP_TYPE (op) == AOP_CRY)
+ emitcode ("mov", "c,%s", AOP (op)->aopu.aop_dir);
+ else
+ {
+ /* bit variables done */
+ /* general case */
+ size = AOP_SIZE (op);
+ offset = 0;
+ while (size--)
+ {
+ MOVA (aopGet (AOP (op), offset, FALSE, FALSE, FALSE));
+ offset++;
+ }
+ }
+
+ freeAsmop (op, NULL, ic, TRUE);
+ }
+
+ op = IC_LEFT (ic);
+ if (op && IS_SYMOP (op))
+ {
+ aopOp (op, ic, FALSE, FALSE);
+
+ /* if the result is a bit */
+ if (AOP_TYPE (op) == AOP_CRY)
+ emitcode ("mov", "c,%s", AOP (op)->aopu.aop_dir);
+ else
+ {
+ /* bit variables done */
+ /* general case */
+ size = AOP_SIZE (op);
+ offset = 0;
+ while (size--)
+ {
+ MOVA (aopGet (AOP (op), offset, FALSE, FALSE, FALSE));
+ offset++;
+ }
+ }
+
+ freeAsmop (op, NULL, ic, TRUE);
+ }
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genCritical - generate code for start of a critical sequence */
+/*-----------------------------------------------------------------*/
+static void
+genCritical (iCode *ic)
+{
+ symbol *tlbl = newiTempLabel (NULL);
+
+ D(emitcode("; genCritical",""));
+
+ if (IC_RESULT (ic))
+ aopOp (IC_RESULT (ic), ic, TRUE, FALSE);
+
+ emitcode ("setb", "c");
+ emitcode ("jbc", "ea,%05d$", (tlbl->key + 100)); /* atomic test & clear */
+ emitcode ("clr", "c");
+ emitcode ("", "%05d$:", (tlbl->key + 100));
+
+ if (IC_RESULT (ic))
+ outBitC (IC_RESULT (ic)); /* save old ea in an operand */
+ else
+ emitcode ("push", "psw"); /* save old ea via c in psw on top of stack*/
+
+ if (IC_RESULT (ic))
+ freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
+}
+
+/*-----------------------------------------------------------------*/
+/* genEndCritical - generate code for end of a critical sequence */
+/*-----------------------------------------------------------------*/
+static void
+genEndCritical (iCode *ic)
+{
+ D(emitcode("; genEndCritical",""));
+
+ if (IC_RIGHT (ic))
+ {
+ aopOp (IC_RIGHT (ic), ic, FALSE, FALSE);
+ if (AOP_TYPE (IC_RIGHT (ic)) == AOP_CRY)
+ {
+ emitcode ("mov", "c,%s", IC_RIGHT (ic)->aop->aopu.aop_dir);
+ emitcode ("mov", "ea,c");
+ }
+ else
+ {
+ MOVA (aopGet (AOP (IC_RIGHT (ic)), 0, FALSE, FALSE, FALSE));
+ emitcode ("rrc", "a");
+ emitcode ("mov", "ea,c");
+ }
+ freeAsmop (IC_RIGHT (ic), NULL, ic, TRUE);
+ }
+ else
+ {
+ emitcode ("pop", "psw"); /* restore ea via c in psw on top of stack */
+ emitcode ("mov", "ea,c");
+ }
+}
+
+
+
/*-----------------------------------------------------------------*/
/* genBuiltIn - calls the appropriate function to generating code */
/* for a built in function */
}
#if 1
/* print the allocation information */
- if (allocInfo)
+ if (allocInfo && currFunc)
printAllocInfo (currFunc, codeOutFile);
#endif
/* if debug information required */
if (options.debug && currFunc)
{
- cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
+ debugFile->writeFunction(currFunc);
_G.debugLine = 1;
if (IS_STATIC (currFunc->etype))
emitcode ("", "F%s$%s$0$0 ==.", moduleName, currFunc->name);
for (ic = lic; ic; ic = ic->next)
{
+ _G.current_iCode = ic;
+
if (ic->lineno && cln != ic->lineno)
{
if (options.debug)
ic->level, ic->block);
_G.debugLine = 0;
}
- emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
- printCLine(ic->filename, ic->lineno));
+ if (!options.noCcodeInAsm) {
+ emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
+ printCLine(ic->filename, ic->lineno));
+ }
cln = ic->lineno;
}
+ if (options.iCodeInAsm) {
+ emitcode("", ";ic:%d: %s", ic->key, printILine(ic));
+ }
/* if the result is marked as
spilt and rematerializable or code for
this has already been generated then
else addSet (&_G.sendSet, ic);
break;
+ case DUMMY_READ_VOLATILE:
+ genDummyRead (ic);
+ break;
+
+ case CRITICAL:
+ genCritical (ic);
+ break;
+
+ case ENDCRITICAL:
+ genEndCritical (ic);
+ break;
+
+ case SWAP:
+ genSwap (ic);
+ break;
+
+#if 0 // obsolete, and buggy for != xdata
case ARRAYINIT:
genArrayInit(ic);
break;
+#endif
default:
ic = ic;
projects / fw / sdcc / blobdiff