#include <string.h>
#include <ctype.h>
-#include <common.h>
+#include "common.h"
#include "ralloc.h"
#include "gen.h"
#include "SDCCglobl.h"
#define BETTER_LITERAL_SHIFT
char *aopLiteral (value * val, int offset);
+extern int allocInfo;
/* this is the down and dirty file with all kinds of
kludgy & hacky stuff. This is what it is all about
CODE GENERATION for a specific MCU . some of the
routines may be reusable, will have to see */
-static char *zero = "#0x00";
-static char *one = "#0x01";
+static char *zero = "#0";
+static char *one = "#1";
static char *spname;
#define D(x) x
static char **fReturn = fReturn24;
static char *accUse[] =
{"a", "b"};
+static char *dptrn[2][3];
static char *javaRet[] = { "r0","r1","r2","r3"};
static short rbank = -1;
short inLine;
short debugLine;
short nRegsSaved;
+ short dptrInUse;
+ short dptr1InUse;
set *sendSet;
}
_G;
+static char *rb1regs[] = {
+ "b1_0","b1_1","b1_2","b1_3","b1_4","b1_5","b1_6","b1_7"
+};
+
static void saveRBank (int, iCode *, bool);
#define RESULTONSTACK(x) \
#define MSB16 1
#define MSB24 2
#define MSB32 3
+#define PROTECT_SP {if (options.protect_sp_update) { \
+ symbol *lbl = newiTempLabel(NULL); \
+ emitcode ("setb","F1"); \
+ emitcode ("jbc","EA,!tlabel",lbl->key+100); \
+ emitcode ("clr","F1"); \
+ emitcode ("","!tlabeldef",lbl->key+100); \
+ }}
+#define UNPROTECT_SP { if (options.protect_sp_update) { \
+ symbol *lbl = newiTempLabel(NULL); \
+ emitcode ("jnb","F1,!tlabel",lbl->key+100); \
+ emitcode ("setb","EA"); \
+ emitcode ("","!tlabeldef",lbl->key+100); \
+ }}
+
/*-----------------------------------------------------------------*/
/* 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_start (ap, fmt);
-
- if (inst && *inst)
+ va_list ap;
+ char lb[INITIAL_INLINEASM];
+ char *lbp = lb;
+
+ va_start (ap, fmt);
+
+ if (inst && *inst)
{
- if (fmt && *fmt)
- sprintf (lb, "%s\t", inst);
- else
- sprintf (lb, "%s", inst);
- tvsprintf (lb + (strlen (lb)), fmt, ap);
+ 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, fmt, ap);
+ else
+ {
+ tvsprintf (lb, sizeof(lb), fmt, ap);
+ }
+
- while (isspace (*lbp))
- lbp++;
+ while (isspace (*lbp))
+ {
+ lbp++;
+ }
- if (lbp && *lbp)
- lineCurr = (lineCurr ?
- connectLine (lineCurr, newLineNode (lb)) :
- (lineHead = newLineNode (lb)));
- lineCurr->isInline = _G.inLine;
- lineCurr->isDebug = _G.debugLine;
- va_end (ap);
+ if (lbp && *lbp)
+ {
+ lineCurr = (lineCurr ?
+ connectLine (lineCurr, newLineNode (lb)) :
+ (lineHead = newLineNode (lb)));
+ }
+
+ lineCurr->isInline = _G.inLine;
+ lineCurr->isDebug = _G.debugLine;
+ va_end (ap);
}
/*-----------------------------------------------------------------*/
if (sym->onStack && options.stack10bit)
{
+ short stack_val = -((sym->stack < 0) ?
+ ((short) (sym->stack - _G.nRegsSaved)) :
+ ((short) sym->stack)) ;
+ if (useDP2 && _G.dptr1InUse) {
+ emitcode ("push","dpl1");
+ emitcode ("push","dph1");
+ emitcode ("push","dpx1");
+ } else if (_G.dptrInUse ) {
+ emitcode ("push","dpl");
+ emitcode ("push","dph");
+ emitcode ("push","dpx");
+ }
/* It's on the 10 bit stack, which is located in
* far data space.
- */
-
- if (_G.accInUse)
- emitcode ("push", "acc");
-
- if (_G.bInUse)
- emitcode ("push", "b");
-
- emitcode ("mov", "a,_bpx");
- emitcode ("clr","c");
- emitcode ("subb", "a,#!constbyte",
- -((sym->stack < 0) ?
- ((short) (sym->stack - _G.nRegsSaved)) :
- ((short) sym->stack)) & 0xff);
- emitcode ("mov","b,a");
- emitcode ("mov","a,_bpx+1");
- emitcode ("subb","a,#!constbyte",(-((sym->stack < 0) ?
- ((short) (sym->stack - _G.nRegsSaved)) :
- ((short) sym->stack)) >> 8) & 0xff);
- if (useDP2) {
- if (options.model == MODEL_FLAT24)
- emitcode ("mov", "dpx1,#!constbyte", (options.stack_loc >> 16) & 0xff);
- TR_DPTR("#2");
- 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", "dph,a");
- emitcode ("mov", "dpl,b");
- }
-
- if (_G.bInUse)
- emitcode ("pop", "b");
-
- if (_G.accInUse)
- emitcode ("pop", "acc");
-
- sym->aop = aop = newAsmop ((short) (useDP2 ? AOP_DPTR2 : AOP_DPTR));
- aop->size = getSize (sym->type);
- return aop;
+ */
+ 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", "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", "dph,_bpx+1");
+ emitcode ("mov", "dpl,_bpx");
+ }
+ stack_val = -stack_val;
+ while (stack_val--) {
+ emitcode ("inc","dptr");
+ }
+ if (useDP2) {
+ emitcode("mov","dps,#0");
+ }
+ } else {
+ if (_G.accInUse)
+ emitcode ("push", "acc");
+
+ if (_G.bInUse)
+ emitcode ("push", "b");
+
+ emitcode ("mov", "a,_bpx");
+ emitcode ("clr","c");
+ emitcode ("subb", "a,#!constbyte", stack_val & 0xff);
+ emitcode ("mov","b,a");
+ emitcode ("mov","a,_bpx+1");
+ 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", "dph1,a");
+ emitcode ("mov", "dpl1,b");
+ } else {
+ if (options.model == MODEL_FLAT24)
+ emitcode ("mov", "dpx,#!constbyte", (options.stack_loc >> 16) & 0xff);
+ emitcode ("mov", "dph,a");
+ emitcode ("mov", "dpl,b");
+ }
+
+ if (_G.bInUse)
+ emitcode ("pop", "b");
+
+ if (_G.accInUse)
+ emitcode ("pop", "acc");
+ }
+ sym->aop = aop = newAsmop ((short) (useDP2 ? AOP_DPTR2 : AOP_DPTR));
+ aop->size = getSize (sym->type);
+ return aop;
}
/* if in bit space */
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));
OP_SYMBOL (IC_LEFT (ic))->rname,
val >= 0 ? '+' : '-',
abs (val) & 0xffff);
- else
- strcpy (buffer, OP_SYMBOL (IC_LEFT (ic))->rname);
+ else {
+ if (IS_ASSIGN_ICODE(ic) && isOperandLiteral(IC_RIGHT(ic)))
+ sprintf(buffer,"0x%x",(int) operandLitValue (IC_RIGHT (ic)));
+ else
+ strcpy (buffer, OP_SYMBOL (IC_LEFT (ic))->rname);
+ }
aop->aopu.aop_immd.aop_immd1 = Safe_calloc (1, strlen (buffer) + 1);
strcpy (aop->aopu.aop_immd.aop_immd1, 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;
/* a AOP_STR uses DPTR, but DPTR is already in use;
* we're just hosed.
*/
- fprintf (stderr, "*** Internal error: AOP_STR with DPTR in use! for operand %s\n",sym->name);
+ werror(E_INTERNAL_ERROR,__FILE__,__LINE__,"AOP_STR with DPTR in use!");
}
aop = op->aop = sym->aop = newAsmop (AOP_STR);
aop->aopu.aop_str[i] = fReturn[i];
return;
}
-
+
+ if (sym->dptr) { /* has been allocated to a DPTRn */
+ aop = op->aop = sym->aop = newAsmop (AOP_DPTRn);
+ aop->size = getSize (sym->type);
+ 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 */
_G.r1Pushed--;
}
}
+ case AOP_DPTR2:
+ if (_G.dptr1InUse) {
+ emitcode ("pop","dpx1");
+ emitcode ("pop","dph1");
+ emitcode ("pop","dpl1");
+ }
+ break;
+ case AOP_DPTR:
+ if (_G.dptrInUse) {
+ emitcode ("pop","dpx");
+ emitcode ("pop","dph");
+ emitcode ("pop","dpl");
+ }
+ break;
}
-
dealloc:
/* all other cases just dealloc */
if (op)
bool dname,
bool canClobberACC)
{
- char *s = buffer;
- char *rs;
+ //char *s = buffer;
+ //char *rs;
/* offset is greater than
size then zero */
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);
+ return dptrn[aop->aopu.dptr][offset];
case AOP_DPTR:
case AOP_DPTR2:
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)
}
break;
+ case AOP_DPTRn:
+ emitcode ("mov","%s,%s",dptrn[aop->aopu.dptr][offset],s);
+ break;
+
case AOP_DPTR:
case AOP_DPTR2:
MOVA (s);
}
{
- symbol *lbl = newiTempLabel (NULL);
- emitcode ("clr", "c");
- emitcode ("jz", "!tlabel", lbl->key + 100);
- emitcode ("cpl", "c");
- emitcode ("", "!tlabeldef", lbl->key + 100);
+ /* set C, if a >= 1 */
+ emitcode ("add", "a,#!constbyte",0xff);
emitcode ("mov", "%s,c", aop->aopu.aop_dir);
}
}
#define AOP_INPREG(x) (x && (x->type == AOP_REG && \
(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)
/* Workaround for DS80C390 bug: div ab may return bogus results
* if A is accessed in instruction immediately before the div.
{
int offset = 0;
int size;
+ symbol *tlbl;
D (emitcode (";", "genCpl ");
);
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
aopOp (IC_RESULT (ic), ic, TRUE, AOP_TYPE (IC_LEFT (ic)) == AOP_DPTR);
- /* if both are in bit space then
- a special case */
- if (AOP_TYPE (IC_RESULT (ic)) == AOP_CRY &&
- AOP_TYPE (IC_LEFT (ic)) == AOP_CRY)
- {
-
+ /* special case if in bit space */
+ if (AOP_TYPE (IC_RESULT (ic)) == AOP_CRY) {
+ if (AOP_TYPE (IC_LEFT (ic)) == AOP_CRY) {
emitcode ("mov", "c,%s", IC_LEFT (ic)->aop->aopu.aop_dir);
emitcode ("cpl", "c");
emitcode ("mov", "%s,c", IC_RESULT (ic)->aop->aopu.aop_dir);
goto release;
}
+ tlbl=newiTempLabel(NULL);
+ emitcode ("cjne", "%s,#0x01,%05d$",
+ aopGet(AOP(IC_LEFT(ic)), 0, FALSE,FALSE,TRUE), tlbl->key+100);
+ emitcode ("", "%05d$:", tlbl->key+100);
+ outBitC (IC_RESULT(ic));
+ goto release;
+ }
size = AOP_SIZE (IC_RESULT (ic));
_startLazyDPSEvaluation ();
if (bitVectBitValue(ic->rMask,i))
rsave = bitVectSetBit(rsave,i);
}
+ rsave = bitVectCplAnd(rsave,ds390_rUmaskForOp (IC_RESULT(ic)));
} else {
/* safe the registers in use at this time but skip the
ones for the result */
if (bitVectBitValue(ic->rMask,i))
rsave = bitVectSetBit(rsave,i);
}
+ rsave = bitVectCplAnd(rsave,ds390_rUmaskForOp (IC_RESULT(ic)));
} else {
/* restore the registers in use at this time but skip the
ones for the result */
{
/* and the item is spilt then do nothing */
- if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt || OP_SYMBOL(IC_LEFT(ic))->dptr)
return;
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
/* if the temp was not pushed then */
- if (OP_SYMBOL (IC_LEFT (ic))->isspilt)
+ if (OP_SYMBOL (IC_LEFT (ic))->isspilt || OP_SYMBOL (IC_LEFT (ic))->dptr)
return;
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
}
}
+/*-----------------------------------------------------------------*/
+/* genSend - gen code for SEND */
+/*-----------------------------------------------------------------*/
+static void genSend(set *sendSet)
+{
+ iCode *sic;
+ int sendCount = 0 ;
+ static int rb1_count = 0;
+
+ for (sic = setFirstItem (sendSet); sic;
+ sic = setNextItem (sendSet)) {
+ int size, offset = 0;
+
+ size=getSize(operandType(IC_LEFT(sic)));
+ D (emitcode (";", "genSend argreg = %d, size = %d ",sic->argreg,size));
+ if (sendCount == 0) { /* first parameter */
+ // we know that dpl(hxb) is the result, so
+ rb1_count = 0 ;
+ _startLazyDPSEvaluation ();
+ if (size>1) {
+ aopOp (IC_LEFT (sic), sic, FALSE,
+ (IS_SYMOP(IC_LEFT(sic)) && OP_SYMBOL(IC_LEFT(sic))->ruonly ? FALSE : TRUE));
+ } else {
+ aopOp (IC_LEFT (sic), sic, FALSE, FALSE);
+ }
+ while (size--) {
+ char *l = aopGet (AOP (IC_LEFT (sic)), offset,
+ FALSE, FALSE, TRUE);
+ if (strcmp (l, fReturn[offset])) {
+ emitcode ("mov", "%s,%s",
+ fReturn[offset],
+ l);
+ }
+ offset++;
+ }
+ _endLazyDPSEvaluation ();
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
+ rb1_count =0;
+ } else { /* if more parameter in registers */
+ 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));
+ }
+ freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
+ }
+ sendCount++;
+ }
+}
+
/*-----------------------------------------------------------------*/
/* genCall - generates a call statement */
/*-----------------------------------------------------------------*/
*/
if (_G.sendSet)
{
- iCode *sic;
-
- for (sic = setFirstItem (_G.sendSet); sic;
- sic = setNextItem (_G.sendSet))
- {
- int size, offset = 0;
-
-#if 0
- aopOp (IC_LEFT (sic), sic, FALSE, FALSE);
- size = AOP_SIZE (IC_LEFT (sic));
-
- _startLazyDPSEvaluation ();
- while (size--)
- {
- char *l = aopGet (AOP(IC_LEFT(sic)), offset,
- FALSE, FALSE, TRUE);
- if ((AOP_TYPE(IC_LEFT(sic)) == AOP_DPTR) && size)
- {
- emitcode("mov", "%s,%s", regs390[offset].name, l);
- }
- else if (strcmp (l, fReturn[offset]))
- {
- emitcode ("mov", "%s,%s",
- fReturn[offset],
- l);
- }
- offset++;
- }
- _endLazyDPSEvaluation ();
- if (AOP_TYPE(IC_LEFT(sic)) == AOP_DPTR)
- {
- size = AOP_SIZE (IC_LEFT (sic));
- if (size)
- {
- size--;
- }
- while (size)
- {
- size--;
- emitcode("mov", "%s,%s",
- fReturn[size], regs390[size].name);
- }
- }
-#else
- // we know that dpl(hxb) is the result, so
- _startLazyDPSEvaluation ();
- size=getSize(operandType(IC_LEFT(sic)));
- if (size>1) {
- aopOp (IC_LEFT (sic), sic, FALSE,
- (IS_SYMOP(IC_LEFT(sic)) && OP_SYMBOL(IC_LEFT(sic))->ruonly ? FALSE : TRUE));
- } else {
- aopOp (IC_LEFT (sic), sic, FALSE, FALSE);
- }
- while (size--)
- {
- char *l = aopGet (AOP (IC_LEFT (sic)), offset,
- FALSE, FALSE, TRUE);
- if (strcmp (l, fReturn[offset]))
- {
- emitcode ("mov", "%s,%s",
- fReturn[offset],
- l);
- }
- offset++;
- }
- _endLazyDPSEvaluation ();
-#endif
- freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
+ if (IFFUNC_ISREENT(dtype)) { /* need to reverse the send set */
+ genSend(reverseSet(_G.sendSet));
+ } else {
+ genSend(_G.sendSet);
}
_G.sendSet = NULL;
}
/* adjust the stack for parameters if
required */
if (ic->parmBytes) {
+ int i;
if (options.stack10bit) {
- emitcode ("clr","c");
- emitcode ("mov","a,sp");
- emitcode ("subb","a,#!constbyte",ic->parmBytes & 0xff);
- emitcode ("mov","sp,a");
- emitcode ("mov","a,esp");
- emitcode ("subb","a,#!constbyte",(ic->parmBytes >> 8) & 0xff);
- emitcode ("mov","esp,a");
+ if (ic->parmBytes <= 10) {
+ emitcode(";","stack adjustment for parms");
+ for (i=0; i < ic->parmBytes ; i++) {
+ emitcode("pop","acc");
+ }
+ } else {
+ PROTECT_SP;
+ emitcode ("clr","c");
+ emitcode ("mov","a,sp");
+ emitcode ("subb","a,#!constbyte",ic->parmBytes & 0xff);
+ emitcode ("mov","sp,a");
+ emitcode ("mov","a,esp");
+ emitcode ("anl","a,#3");
+ emitcode ("subb","a,#!constbyte",(ic->parmBytes >> 8) & 0xff);
+ emitcode ("mov","esp,a");
+ UNPROTECT_SP;
+ }
} else {
- int i;
if (ic->parmBytes > 3) {
emitcode ("mov", "a,%s", spname);
emitcode ("add", "a,#!constbyte", (-ic->parmBytes) & 0xff);
/* if send set is not empty the assign */
if (_G.sendSet)
{
- iCode *sic;
-
- for (sic = setFirstItem (_G.sendSet); sic;
- sic = setNextItem (_G.sendSet))
- {
- int size, offset = 0;
-
- // we know that dpl(hxb) is the result, so
- _startLazyDPSEvaluation ();
- size=getSize(operandType(IC_LEFT(sic)));
- if (size>1) {
- aopOp (IC_LEFT (sic), sic, FALSE, TRUE);
- } else {
- aopOp (IC_LEFT (sic), sic, FALSE, FALSE);
- }
- while (size--)
- {
- char *l = aopGet (AOP (IC_LEFT (sic)), offset,
- FALSE, FALSE, TRUE);
- if (strcmp (l, fReturn[offset]))
- {
- emitcode ("mov", "%s,%s",
- fReturn[offset],
- l);
- }
- offset++;
- }
- _endLazyDPSEvaluation ();
- freeAsmop (IC_LEFT (sic), NULL, sic, TRUE);
- }
- _G.sendSet = NULL;
+ genSend(reverseSet(_G.sendSet));
+ _G.sendSet = NULL;
}
emitcode ("ret", "");
if (ic->parmBytes)
{
int i;
- if (ic->parmBytes > 3)
- {
- emitcode ("mov", "a,%s", spname);
- emitcode ("add", "a,#!constbyte", (-ic->parmBytes) & 0xff);
- emitcode ("mov", "%s,a", spname);
- }
- else
- for (i = 0; i < ic->parmBytes; i++)
- emitcode ("dec", "%s", spname);
-
+ if (options.stack10bit) {
+ if (ic->parmBytes <= 10) {
+ emitcode(";","stack adjustment for parms");
+ for (i=0; i < ic->parmBytes ; i++) {
+ emitcode("pop","acc");
+ }
+ } else {
+ PROTECT_SP;
+ emitcode ("clr","c");
+ emitcode ("mov","a,sp");
+ emitcode ("subb","a,#!constbyte",ic->parmBytes & 0xff);
+ emitcode ("mov","sp,a");
+ emitcode ("mov","a,esp");
+ emitcode ("anl","a,#3");
+ emitcode ("subb","a,#!constbyte",(ic->parmBytes >> 8) & 0xff);
+ emitcode ("mov","esp,a");
+ UNPROTECT_SP;
+ }
+ } else {
+ if (ic->parmBytes > 3) {
+ emitcode ("mov", "a,%s", spname);
+ emitcode ("add", "a,#!constbyte", (-ic->parmBytes) & 0xff);
+ emitcode ("mov", "%s,a", spname);
+ }
+ else
+ for (i = 0; i < ic->parmBytes; i++)
+ emitcode ("dec", "%s", spname);
+
+ }
}
-
/* if register bank was saved then unsave them */
if (restoreBank)
unsaveRBank (FUNC_REGBANK (dtype), ic, TRUE);
/* if this is an interrupt service routine then
save acc, b, dpl, dph */
if (IFFUNC_ISISR (sym->type))
- {
-
+ { /* is ISR */
if (!inExcludeList ("acc"))
emitcode ("push", "acc");
if (!inExcludeList ("b"))
registers :-) */
if (!FUNC_REGBANK (sym->type))
{
+ int i;
/* if this function does not call any other
function then we can be economical and
save only those registers that are used */
if (!IFFUNC_HASFCALL(sym->type))
{
- int i;
/* if any registers used */
if (sym->regsUsed)
determines register usage so we will have to push the
entire bank */
saveRBank (0, ic, FALSE);
+ if (options.parms_in_bank1) {
+ for (i=0; i < 8 ; i++ ) {
+ emitcode ("push","%s",rb1regs[i]);
+ }
+ }
}
}
else
if (sym->stack) {
int i = sym->stack;
if (options.stack10bit) {
- if ( i > 1024) werror (W_STACK_OVERFLOW, sym->name);
+ if ( i > 1024) werror (W_STACK_OVERFLOW, sym->name);
assert (sym->recvSize <= 4);
- emitcode ("mov","a,sp");
- emitcode ("add","a,#!constbyte", ((short) sym->stack & 0xff));
- emitcode ("mov","sp,a");
- emitcode ("mov","a,esp");
- emitcode ("addc","a,#!constbyte", (((short) sym->stack) >> 8) & 0xff);
- emitcode ("mov","esp,a");
+ if (sym->stack <= 8) {
+ while (i--) emitcode ("push","acc");
+ } else {
+ PROTECT_SP;
+ emitcode ("mov","a,sp");
+ emitcode ("add","a,#!constbyte", ((short) sym->stack & 0xff));
+ emitcode ("mov","sp,a");
+ emitcode ("mov","a,esp");
+ emitcode ("anl","a,#3");
+ emitcode ("addc","a,#!constbyte", (((short) sym->stack) >> 8) & 0xff);
+ emitcode ("mov","esp,a");
+ UNPROTECT_SP;
+ }
} else {
if (i > 256)
werror (W_STACK_OVERFLOW, sym->name);
(sym->stack || FUNC_HASSTACKPARM(sym->type))) {
if (options.stack10bit) {
+ PROTECT_SP;
emitcode ("mov", "sp,_bpx", spname);
emitcode ("mov", "esp,_bpx+1", spname);
+ UNPROTECT_SP;
} else {
emitcode ("mov", "%s,_bp", spname);
}
*/
emitcode ("pop", "psw");
}
- }
+ }
if (IFFUNC_ISISR (sym->type))
- {
+ { /* is ISR */
/* now we need to restore the registers */
/* if this isr has no bank i.e. is going to
registers :-) */
if (!FUNC_REGBANK (sym->type))
{
+ int i;
/* if this function does not call any other
function then we can be economical and
save only those registers that are used */
if (!IFFUNC_HASFCALL(sym->type))
{
- int i;
/* if any registers used */
if (sym->regsUsed)
/* this function has a function call cannot
determines register usage so we will have to pop the
entire bank */
+ if (options.parms_in_bank1) {
+ for (i = 7 ; i >= 0 ; i-- ) {
+ emitcode ("pop","%s",rb1regs[i]);
+ }
+ }
unsaveRBank (0, ic, FALSE);
}
}
ic = ic->prev;
count++;
+ /* If we have any pushes or pops, we cannot predict the distance.
+ I don't like this at all, this should be dealt with in the
+ back-end */
+ if (ic->op == IPUSH || ic->op == IPOP) {
+ return 0;
+ }
+
if (ic->op == LABEL && IC_LABEL (ic)->key == key)
{
/* printf("findLabelBackwards = %d\n", count); */
if ((icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit)) > 4)
return FALSE;
+ 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));
+ }
+ return TRUE;
+ }
/* if increment 16 bits in register */
if (
AOP_TYPE (IC_LEFT (ic)) == AOP_REG &&
return TRUE;
}
+ if (AOP_TYPE(IC_RESULT(ic))==AOP_STR && IS_ITEMP(IC_RESULT(ic)) &&
+ !AOP_USESDPTR(IC_LEFT(ic)) && icount <= 5 && size <= 3 &&
+ options.model == MODEL_FLAT24 ) {
+
+ switch (size) {
+ case 3:
+ emitcode ("mov","dpx,%s",aopGet(AOP (IC_LEFT (ic)), 2, FALSE, FALSE, FALSE));
+ case 2:
+ emitcode ("mov","dph,%s",aopGet(AOP (IC_LEFT (ic)), 1, FALSE, FALSE, FALSE));
+ case 1:
+ emitcode ("mov","dpl,%s",aopGet(AOP (IC_LEFT (ic)), 0, FALSE, FALSE, FALSE));
+ break;
+ }
+ while (icount--) emitcode ("inc","dptr");
+ return TRUE;
+ }
+
+ if (AOP_INDPTRn(IC_LEFT(ic)) && AOP_INDPTRn(IC_RESULT(ic)) &&
+ AOP(IC_LEFT(ic))->aopu.dptr == AOP(IC_RESULT(ic))->aopu.dptr &&
+ icount <= 5 ) {
+ emitcode ("mov","dps,#!constbyte",AOP(IC_LEFT(ic))->aopu.dptr);
+ while (icount--) emitcode ("inc","dptr");
+ emitcode ("mov","dps,#0");
+ return TRUE;
+ }
+
/* if the sizes are greater than 1 then we cannot */
if (AOP_SIZE (IC_RESULT (ic)) > 1 ||
AOP_SIZE (IC_LEFT (ic)) > 1)
}
}
-#if 0 // AOP_OP_3 is deprecated; nobody likes Ack errors.
- // Please don't bring it back without a really good reason.
-// Macro to aopOp all three operands of an ic. Will fatal if this cannot be done
-// (because all three operands are in far space).
-#define AOP_OP_3(ic) \
- aopOp (IC_RIGHT(ic),ic,FALSE, FALSE); \
- aopOp (IC_LEFT(ic),ic,FALSE, (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR)); \
- aopOp (IC_RESULT(ic),ic,TRUE, (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) || \
- (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR)); \
- if (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR2 && \
- AOP_TYPE(IC_RESULT(ic)) == AOP_DPTR2) \
- { \
- /* werror(E_INTERNAL_ERROR,__FILE__,__LINE__, */ \
- fprintf(stderr, \
- "Ack: three operands in far space! (%s:%d %s:%d)\n", __FILE__, __LINE__, ic->filename, ic->lineno); \
- }
-#endif
-
+#ifdef KEVIN_SCREWED_UP
// 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
#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)); \
+ ((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 )) \
+ (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; \
aopOp (IC_RIGHT(ic),ic,FALSE, FALSE); \
aopOp (IC_LEFT(ic),ic,FALSE, (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR));
-// convienience macro.
-#define AOP_SET_LOCALS(ic) \
- left = IC_LEFT(ic); \
- right = IC_RIGHT(ic); \
- result = IC_RESULT(ic);
+#else // Kevin didn't screw up...
+#define AOP_IS_STR(x) (IS_SYMOP(x) && OP_SYMBOL(x)->ruonly)
-// Given an integer value of pushedSize bytes on the stack,
-// adjust it to be resultSize bytes, either by discarding
-// the most significant bytes or by zero-padding.
-//
-// On exit from this macro, pushedSize will have been adjusted to
-// equal resultSize, and ACC may be trashed.
-#define ADJUST_PUSHED_RESULT(pushedSize, resultSize) \
- /* If the pushed data is bigger than the result, \
- * simply discard unused bytes. Icky, but works. \
- */ \
- while (pushedSize > resultSize) \
- { \
- D (emitcode (";", "discarding unused result byte."););\
- emitcode ("pop", "acc"); \
- pushedSize--; \
- } \
- if (pushedSize < resultSize) \
- { \
- emitcode ("clr", "a"); \
- /* Conversly, we haven't pushed enough here. \
- * just zero-pad, and all is well. \
- */ \
- while (pushedSize < resultSize) \
- { \
- emitcode("push", "acc"); \
- pushedSize++; \
- } \
+// 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;
+
+ // 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");
+// );
+
+ aopOp (IC_RIGHT(ic),ic,FALSE, AOP_IS_STR(IC_LEFT(ic)) || AOP_IS_STR(IC_RESULT(ic)));
+
+ // Now, the left opcode. This can use DPTR if the right didn't AND the result is not
+ // AOP_STR (however, if the result is the same operand as the left, then DPTR may be used).
+ aopOp (IC_LEFT(ic),ic,FALSE, AOP_USESDPTR(IC_RIGHT(ic)) ||
+ (AOP_IS_STR(IC_RESULT(ic)) && !isOperandEqual(IC_LEFT(ic),IC_RESULT(ic))));
+
+ // We've op'd the left. So, if left & result are the same operand, we know aopOp
+ // will succeed, and we can just do it & bail.
+ if (isOperandEqual(IC_LEFT(ic),IC_RESULT(ic)))
+ {
+// D(emitcode(";", "aopOp3: left & result equal"););
+ aopOp(IC_RESULT(ic),ic,TRUE, FALSE);
+ return TRUE;
+ }
+
+ // Note which dptrs are currently in use.
+ dp1InUse = (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR) || (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR) ||
+ AOP_IS_STR(IC_RIGHT(ic)) || AOP_IS_STR(IC_LEFT(ic));
+ dp2InUse = (AOP_TYPE(IC_RIGHT(ic)) == AOP_DPTR2) || (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR2);
+
+ // 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;
+ }
+
+ // 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 (AOP_TYPE(IC_LEFT(ic)) == AOP_DPTR2 &&
+ AOP_TYPE(IC_RESULT(ic)) == AOP_DPTR2)
+ {
+ fprintf(stderr,
+ "Ack: got unexpected DP2! (%s:%d %s:%d)\n",
+ __FILE__, __LINE__, ic->filename, ic->lineno);
+ }
+
+ 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) \
+ 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, AOP_IS_STR(IC_LEFT(ic))); \
+ aopOp (IC_LEFT(ic),ic,FALSE, AOP_USESDPTR(IC_RIGHT(ic)));
+
+#endif
+
+// convienience macro.
+#define AOP_SET_LOCALS(ic) \
+ left = IC_LEFT(ic); \
+ right = IC_RIGHT(ic); \
+ result = IC_RESULT(ic);
+
+
+// Given an integer value of pushedSize bytes on the stack,
+// adjust it to be resultSize bytes, either by discarding
+// the most significant bytes or by zero-padding.
+//
+// On exit from this macro, pushedSize will have been adjusted to
+// equal resultSize, and ACC may be trashed.
+#define ADJUST_PUSHED_RESULT(pushedSize, resultSize) \
+ /* If the pushed data is bigger than the result, \
+ * simply discard unused bytes. Icky, but works. \
+ */ \
+ while (pushedSize > resultSize) \
+ { \
+ D (emitcode (";", "discarding unused result byte."););\
+ emitcode ("pop", "acc"); \
+ pushedSize--; \
+ } \
+ if (pushedSize < resultSize) \
+ { \
+ emitcode ("clr", "a"); \
+ /* Conversly, we haven't pushed enough here. \
+ * just zero-pad, and all is well. \
+ */ \
+ while (pushedSize < resultSize) \
+ { \
+ emitcode("push", "acc"); \
+ pushedSize++; \
+ } \
} \
assert(pushedSize == resultSize);
if ((icount = (unsigned int) floatFromVal (AOP (IC_RIGHT (ic))->aopu.aop_lit)) > 4)
return FALSE;
+ 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));
+ }
+ return TRUE;
+ }
/* if decrement 16 bits in register */
if (AOP_TYPE (IC_LEFT (ic)) == AOP_REG &&
AOP_TYPE (IC_RESULT (ic)) == AOP_REG &&
D (emitcode (";", "genMinus "););
aopOp (IC_LEFT (ic), ic, FALSE, FALSE);
- aopOp (IC_RIGHT (ic), ic, FALSE, TRUE);
+ 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))
+ ((AOP_TYPE (IC_RIGHT (ic)) == AOP_DPTR2)
+ || OP_SYMBOL(IC_RESULT(ic))->ruonly))
{
pushResult = TRUE;
}
/* if literal, add a,#-lit, else normal subb */
_startLazyDPSEvaluation ();
- while (size--)
- {
+ while (size--) {
MOVA (aopGet (AOP (IC_LEFT (ic)), offset, FALSE, FALSE, TRUE));
- if (AOP_TYPE (IC_RIGHT (ic)) != AOP_LIT)
- emitcode ("subb", "a,%s",
- aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
- else
- {
+ 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 ("subb","a,b");
+ } else {
+ emitcode ("subb", "a,%s",
+ aopGet (AOP (IC_RIGHT (ic)), offset, FALSE, FALSE, FALSE));
+ }
+ } else {
/* first add without previous c */
if (!offset) {
- if (!size && lit==-1) {
- emitcode ("dec", "a");
- } else {
- emitcode ("add", "a,#!constbyte",
- (unsigned int) (lit & 0x0FFL));
- }
+ if (!size && lit==-1) {
+ emitcode ("dec", "a");
+ } else {
+ emitcode ("add", "a,#!constbyte",
+ (unsigned int) (lit & 0x0FFL));
+ }
} else {
- emitcode ("addc", "a,#!constbyte",
- (unsigned int) ((lit >> (offset * 8)) & 0x0FFL));
+ emitcode ("addc", "a,#!constbyte",
+ (unsigned int) ((lit >> (offset * 8)) & 0x0FFL));
}
- }
-
- if (pushResult)
- {
+ }
+
+ if (pushResult) {
emitcode ("push", "acc");
- }
- else
- {
+ } else {
aopPut (AOP (IC_RESULT (ic)), "a", offset);
- }
+ }
offset++;
- }
+ }
_endLazyDPSEvaluation ();
-
+
if (pushResult)
{
aopOp (IC_RESULT (ic), ic, TRUE, FALSE);
/* 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 (right) == AOP_LIT && AOP_TYPE (left) != AOP_DIR && AOP_TYPE (left) != AOP_STR))
{
symbol *lbl = newiTempLabel (NULL);
emitcode ("cjne", "%s,%s,!tlabel",
/* hasInc - operand is incremented before any other use */
/*-----------------------------------------------------------------*/
static iCode *
-hasInc (operand *op, iCode *ic)
+hasInc (operand *op, iCode *ic, int osize)
{
sym_link *type = operandType(op);
sym_link *retype = getSpec (type);
if (!IS_SYMOP(op)) return NULL;
if (IS_BITVAR(retype)||!IS_PTR(type)) return NULL;
- isize = getSize(type->next);
+ if (IS_AGGREGATE(type->next)) return NULL;
+ if (osize != (isize = getSize(type->next))) return NULL;
+
while (lic) {
/* if operand of the form op = op + <sizeof *op> */
if (lic->op == '+' && isOperandEqual(IC_LEFT(lic),op) &&
sprintf (buffer, "acc.%d", posbit & 0x07);
genIfxJump (ifx, buffer);
}
+ else
+ {
+ emitcode ("anl","a,#!constbyte",1 << (posbit & 0x07));
+ }
goto release;
}
}
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
/* if the operand is already in dptr
then we do nothing else we move the value to dptr */
- if (AOP_TYPE (left) != AOP_STR)
+ if (AOP_TYPE (left) != AOP_STR && !AOP_INDPTRn(left) )
{
/* if this is remateriazable */
if (AOP_TYPE (left) == AOP_IMMD)
}
}
/* so dptr know contains the address */
- aopOp (result, ic, FALSE, TRUE);
+ aopOp (result, ic, FALSE, (AOP_INDPTRn(left) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
- genUnpackBits (result, "dptr", FPOINTER);
- else
+ if (IS_BITVAR (retype) || IS_BITVAR (letype)) {
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ }
+ genUnpackBits (result, "dptr", FPOINTER);
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(0);
+ }
+ } else
{
size = AOP_SIZE (result);
offset = 0;
- _startLazyDPSEvaluation ();
- while (size--)
- {
-
- genSetDPTR (0);
- _flushLazyDPS ();
-
- emitcode ("movx", "a,@dptr");
- if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
- emitcode ("inc", "dptr");
-
- aopPut (AOP (result), "a", offset++);
- }
- _endLazyDPSEvaluation ();
+ if (AOP_INDPTRn(left) && AOP_USESDPTR(result)) {
+ while (size--) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ emitcode ("movx", "a,@dptr");
+ if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+ genSetDPTR (0);
+ aopPut (AOP (result), "a", offset++);
+ }
+ } else {
+ _startLazyDPSEvaluation ();
+ while (size--) {
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ } else {
+ genSetDPTR (0);
+ }
+ _flushLazyDPS ();
+
+ emitcode ("movx", "a,@dptr");
+ if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+
+ aopPut (AOP (result), "a", offset++);
+ }
+ _endLazyDPSEvaluation ();
+ }
}
if (dopi && pi && AOP_TYPE (left) != AOP_IMMD) {
- aopPut ( AOP (left), "dpl", 0);
- aopPut ( AOP (left), "dph", 1);
- if (options.model == MODEL_FLAT24)
- aopPut ( AOP (left), "dpx", 2);
+ if (!AOP_INDPTRn(left)) {
+ aopPut ( AOP (left), "dpl", 0);
+ aopPut ( AOP (left), "dph", 1);
+ if (options.model == MODEL_FLAT24)
+ aopPut ( AOP (left), "dpx", 2);
+ }
pi->generated = 1;
- } else if (OP_SYMBOL(left)->ruonly && AOP_SIZE(result) > 1 &&
+ } else if ((OP_SYMBOL(left)->ruonly || AOP_INDPTRn(left)) &&
+ AOP_SIZE(result) > 1 &&
(OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) {
size = AOP_SIZE (result) - 1;
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ }
while (size--) emitcode ("lcall","__decdptr");
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(0);
+ }
}
freeAsmop (left, NULL, ic, TRUE);
}
/*-----------------------------------------------------------------*/
-/* emitcodePointerGet - gget value from code space */
+/* genCodePointerGet - get value from code space */
/*-----------------------------------------------------------------*/
static void
-emitcodePointerGet (operand * left,
+genCodePointerGet (operand * left,
operand * result, iCode * ic, iCode *pi)
{
int size, offset, dopi=1;
/* if the operand is already in dptr
then we do nothing else we move the value to dptr */
- if (AOP_TYPE (left) != AOP_STR)
+ if (AOP_TYPE (left) != AOP_STR && !AOP_INDPTRn(left))
{
/* if this is remateriazable */
if (AOP_TYPE (left) == AOP_IMMD)
}
}
/* so dptr know contains the address */
- aopOp (result, ic, FALSE, TRUE);
+ aopOp (result, ic, FALSE, (AOP_INDPTRn(left) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype))
- genUnpackBits (result, "dptr", CPOINTER);
- else
+ if (IS_BITVAR (retype)) {
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ }
+ genUnpackBits (result, "dptr", CPOINTER);
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(0);
+ }
+ } else
{
size = AOP_SIZE (result);
offset = 0;
-
- _startLazyDPSEvaluation ();
- while (size--)
- {
- genSetDPTR (0);
- _flushLazyDPS ();
-
- emitcode ("clr", "a");
- emitcode ("movc", "a,@a+dptr");
- if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
- emitcode ("inc", "dptr");
- aopPut (AOP (result), "a", offset++);
- }
- _endLazyDPSEvaluation ();
+ if (AOP_INDPTRn(left) && AOP_USESDPTR(result)) {
+ while (size--) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ emitcode ("clr", "a");
+ emitcode ("movc", "a,@a+dptr");
+ if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+ genSetDPTR (0);
+ aopPut (AOP (result), "a", offset++);
+ }
+ } else {
+ _startLazyDPSEvaluation ();
+ while (size--)
+ {
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ } else {
+ genSetDPTR (0);
+ }
+ _flushLazyDPS ();
+
+ emitcode ("clr", "a");
+ emitcode ("movc", "a,@a+dptr");
+ if (size || (dopi && pi && AOP_TYPE (left) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+ aopPut (AOP (result), "a", offset++);
+ }
+ _endLazyDPSEvaluation ();
+ }
}
if (dopi && pi && AOP_TYPE (left) != AOP_IMMD) {
- aopPut ( AOP (left), "dpl", 0);
- aopPut ( AOP (left), "dph", 1);
- if (options.model == MODEL_FLAT24)
- aopPut ( AOP (left), "dpx", 2);
+ if (!AOP_INDPTRn(left)) {
+ aopPut ( AOP (left), "dpl", 0);
+ aopPut ( AOP (left), "dph", 1);
+ if (options.model == MODEL_FLAT24)
+ aopPut ( AOP (left), "dpx", 2);
+ }
pi->generated = 1;
- } else if (OP_SYMBOL(left)->ruonly && AOP_SIZE(result) > 1 &&
+ } else if ((OP_SYMBOL(left)->ruonly || AOP_INDPTRn(left)) &&
+ AOP_SIZE(result) > 1 &&
(OP_SYMBOL (left)->liveTo > ic->seq || ic->depth)) {
size = AOP_SIZE (result) - 1;
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(AOP(left)->aopu.dptr);
+ }
while (size--) emitcode ("lcall","__decdptr");
+ if (AOP_INDPTRn(left)) {
+ genSetDPTR(0);
+ }
}
freeAsmop (left, NULL, ic, TRUE);
else
{ /* we need to get it byte by byte */
_startLazyDPSEvaluation ();
+#if 0 // I see no point at all to this code.
+ // So I yanked it. Kill at some future date if no bugs rear their heads.
if (AOP(left)->type==AOP_DPTR2) {
char *l;
l=aopGet(AOP(left),0,FALSE,FALSE,TRUE);
} else {
emitcode ("mov", "b,%s", aopGet (AOP(left),2,FALSE,FALSE,TRUE));
}
- } else {
+ }
+ else
+#endif
+ {
emitcode ("mov", "dpl,%s", aopGet (AOP(left),0,FALSE,FALSE,TRUE));
emitcode ("mov", "dph,%s", aopGet (AOP(left),1,FALSE,FALSE,TRUE));
if (options.model == MODEL_FLAT24) {
_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))
+ {
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 (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
break;
case CPOINTER:
- emitcodePointerGet (left, result, ic, pi);
+ genCodePointerGet (left, result, ic, pi);
break;
case GPOINTER:
/* if the operand is already in dptr
then we do nothing else we move the value to dptr */
- if (AOP_TYPE (result) != AOP_STR)
+ if (AOP_TYPE (result) != AOP_STR && !AOP_INDPTRn(result))
{
/* if this is remateriazable */
if (AOP_TYPE (result) == AOP_IMMD)
}
}
/* so dptr know contains the address */
- aopOp (right, ic, FALSE, TRUE);
+ aopOp (right, ic, FALSE, (AOP_INDPTRn(result) ? FALSE : TRUE));
/* if bit then unpack */
- if (IS_BITVAR (retype) || IS_BITVAR (letype))
- genPackBits ((IS_BITVAR (retype) ? retype : letype), right, "dptr", FPOINTER);
- else
- {
+ if (IS_BITVAR (retype) || IS_BITVAR (letype)) {
+ if (AOP_INDPTRn(result)) {
+ genSetDPTR(AOP(result)->aopu.dptr);
+ }
+ genPackBits ((IS_BITVAR (retype) ? retype : letype), right, "dptr", FPOINTER);
+ if (AOP_INDPTRn(result)) {
+ genSetDPTR(0);
+ }
+ } else {
size = AOP_SIZE (right);
offset = 0;
-
- _startLazyDPSEvaluation ();
- while (size--)
- {
- char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
- MOVA (l);
-
- genSetDPTR (0);
- _flushLazyDPS ();
-
- emitcode ("movx", "@dptr,a");
- if (size || (dopi && pi && AOP_TYPE (result) != AOP_IMMD))
- emitcode ("inc", "dptr");
- }
- _endLazyDPSEvaluation ();
- }
-
+ if (AOP_INDPTRn(result) && AOP_USESDPTR(right)) {
+ while (size--) {
+ char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
+ MOVA (l);
+
+ genSetDPTR(AOP(result)->aopu.dptr);
+ emitcode ("movx", "@dptr,a");
+ if (size || (dopi && pi && AOP_TYPE (result) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+ genSetDPTR (0);
+ }
+ } else {
+ _startLazyDPSEvaluation ();
+ while (size--) {
+ char *l = aopGet (AOP (right), offset++, FALSE, FALSE, TRUE);
+ MOVA (l);
+
+ if (AOP_INDPTRn(result)) {
+ genSetDPTR(AOP(result)->aopu.dptr);
+ } else {
+ genSetDPTR (0);
+ }
+ _flushLazyDPS ();
+
+ emitcode ("movx", "@dptr,a");
+ if (size || (dopi && pi && AOP_TYPE (result) != AOP_IMMD))
+ emitcode ("inc", "dptr");
+ }
+ _endLazyDPSEvaluation ();
+ }
+ }
+
if (dopi && pi && AOP_TYPE (result) != AOP_IMMD) {
- aopPut (AOP(result),"dpl",0);
- aopPut (AOP(result),"dph",1);
- if (options.model == MODEL_FLAT24)
- aopPut (AOP(result),"dpx",2);
+ if (!AOP_INDPTRn(result)) {
+ aopPut (AOP(result),"dpl",0);
+ aopPut (AOP(result),"dph",1);
+ if (options.model == MODEL_FLAT24)
+ aopPut (AOP(result),"dpx",2);
+ }
pi->generated=1;
- } else if (OP_SYMBOL(result)->ruonly && AOP_SIZE(right) > 1 &&
+ } else if ((OP_SYMBOL(result)->ruonly || AOP_INDPTRn(result)) &&
+ AOP_SIZE(right) > 1 &&
(OP_SYMBOL (result)->liveTo > ic->seq || ic->depth)) {
size = AOP_SIZE (right) - 1;
+ if (AOP_INDPTRn(result)) {
+ genSetDPTR(AOP(result)->aopu.dptr);
+ }
while (size--) emitcode ("lcall","__decdptr");
+ if (AOP_INDPTRn(result)) {
+ genSetDPTR(0);
+ }
}
freeAsmop (result, NULL, ic, TRUE);
freeAsmop (right, NULL, ic, TRUE);
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);
}
case GPOINTER:
genGenPointerSet (right, result, ic, pi);
break;
- }
+
+ default:
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "genPointerSet: illegal pointer type");
+ }
}
/* if 10 bit stack */
if (options.stack10bit) {
char buff[10];
- tsprintf(buff,"#!constbyte",(options.stack_loc >> 16) & 0xff);
+ 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) ?
- ((short) (sym->stack - _G.nRegsSaved)) :
- ((short) sym->stack)) & 0xff);
- emitcode ("mov","b,a");
- emitcode ("mov","a,#!constbyte",(-((sym->stack < 0) ?
- ((short) (sym->stack - _G.nRegsSaved)) :
- ((short) sym->stack)) >> 8) & 0xff);
+/* emitcode ("subb", "a,#!constbyte", */
+/* -((sym->stack < 0) ? */
+/* ((short) (sym->stack - _G.nRegsSaved)) : */
+/* ((short) sym->stack)) & 0xff); */
+/* emitcode ("mov","b,a"); */
+/* emitcode ("mov","a,#!constbyte",(-((sym->stack < 0) ? */
+/* ((short) (sym->stack - _G.nRegsSaved)) : */
+/* ((short) sym->stack)) >> 8) & 0xff); */
if (sym->stack) {
emitcode ("mov", "a,_bpx");
emitcode ("add", "a,#!constbyte", ((sym->stack < 0) ?
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);
}
/* pointer to generic pointer */
if (IS_GENPTR (ctype))
{
- char *l = zero;
-
if (IS_PTR (type))
{
p_type = DCL_TYPE (type);
_endLazyDPSEvaluation ();
/* the last byte depending on type */
- switch (p_type)
{
- case IPOINTER:
- case POINTER:
- l = zero;
- break;
- case FPOINTER:
- l = one;
- break;
- case CPOINTER:
- l = "#0x02";
- break;
- case PPOINTER:
- l = "#0x03";
- break;
-
- default:
- /* this should never happen */
- werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
- "got unknown pointer type");
- exit (1);
+ int gpVal = pointerTypeToGPByte(p_type, NULL, NULL);
+ char gpValStr[10];
+
+ if (gpVal == -1)
+ {
+ // pointerTypeToGPByte will have bitched.
+ exit(1);
+ }
+
+ sprintf(gpValStr, "#0x%d", gpVal);
+ aopPut (AOP (result), gpValStr, GPTRSIZE - 1);
}
- aopPut (AOP (result), l, GPTRSIZE - 1);
goto release;
}
genReceive (iCode * ic)
{
- D (emitcode (";", "genReceive ");
- );
-
- if (isOperandInFarSpace (IC_RESULT (ic)) &&
- (OP_SYMBOL (IC_RESULT (ic))->isspilt ||
- IS_TRUE_SYMOP (IC_RESULT (ic))))
- {
- int size = getSize (operandType (IC_RESULT (ic)));
- int offset = 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++);
- }
+ int size = getSize (operandType (IC_RESULT (ic)));
+ int offset = 0;
+ int rb1off ;
+
+ D (emitcode (";", "genReceive ");
+ );
- }
- else
- {
- _G.accInUse++;
+ 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
+ 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);
- _G.accInUse--;
- assignResultValue (IC_RESULT (ic));
- }
-
+ rb1off = ic->argreg;
+ while (size--) {
+ aopPut (AOP (IC_RESULT (ic)), rb1regs[rb1off++ -5], offset++);
+ }
+
+ }
freeAsmop (IC_RESULT (ic), NULL, ic, TRUE);
}
}
}
freeAsmop (to, NULL, ic, FALSE);
-
+ _G.dptrInUse = _G.dptr1InUse = 1;
aopOp (count, ic->next->next, FALSE,FALSE);
lbl =newiTempLabel(NULL);
/* now for the actual copy */
if (AOP_TYPE(count) == AOP_LIT &&
(int)floatFromVal (AOP(count)->aopu.aop_lit) <= 256) {
- emitcode (";","OH JOY auto increment with djnz (very fast)");
- emitcode ("mov", "dps,#!constbyte",0x21); /* Select DPTR2 & auto-toggle. */
emitcode ("mov", "b,%s",aopGet(AOP(count),0,FALSE,FALSE,FALSE));
+ if (fromc) {
+ emitcode ("lcall","__bi_memcpyc2x_s");
+ } else {
+ emitcode ("lcall","__bi_memcpyx2x_s");
+ }
+ freeAsmop (count, NULL, ic, FALSE);
+ } 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));
+ freeAsmop (count, NULL, ic, FALSE);
+ emitcode ("mov", "dps,#!constbyte",0x21); /* Select DPTR2 & auto-toggle. */
emitcode ("","!tlabeldef",lbl->key+100);
if (fromc) {
emitcode ("clr","a");
emitcode ("movx", "@dptr,a");
emitcode ("inc", "dptr");
emitcode ("inc", "dptr");
- emitcode ("djnz","b,!tlabel",lbl->key+100);
+ emitcode ("mov","a,b");
+ emitcode ("orl","a,_ap");
+ emitcode ("jz","!tlabel",lbl1->key+100);
+ emitcode ("mov","a,_ap");
+ emitcode ("add","a,#!constbyte",0xFF);
+ emitcode ("mov","_ap,a");
+ emitcode ("mov","a,b");
+ emitcode ("addc","a,#!constbyte",0xFF);
+ emitcode ("mov","b,a");
+ emitcode ("sjmp","!tlabel",lbl->key+100);
+ emitcode ("","!tlabeldef",lbl1->key+100);
+ }
+ emitcode ("mov", "dps,#0");
+ _G.dptrInUse = _G.dptr1InUse = 0;
+ unsavermask(rsave);
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genMemcmpX2X - gen code for memcmp xdata to xdata */
+/*-----------------------------------------------------------------*/
+static void genMemcmpX2X( iCode *ic, int nparms, operand **parms, int fromc)
+{
+ operand *from , *to , *count;
+ symbol *lbl,*lbl2;
+ bitVect *rsave;
+ int i;
+
+ /* we know it has to be 3 parameters */
+ assert (nparms == 3);
+
+ rsave = newBitVect(16);
+ /* save DPTR if it needs to be saved */
+ for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
+ if (bitVectBitValue(ic->rMask,i))
+ rsave = bitVectSetBit(rsave,i);
+ }
+ rsave = bitVectIntersect(rsave,bitVectCplAnd (bitVectCopy (ic->rMask),
+ ds390_rUmaskForOp (IC_RESULT(ic))));
+ savermask(rsave);
+
+ to = parms[0];
+ from = parms[1];
+ count = parms[2];
+
+ 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ }
+
+ freeAsmop (from, NULL, ic, FALSE);
+ aopOp (to, ic, FALSE, FALSE);
+ /* get "to" into DPTR */
+ /* if the operand is already in dptr
+ then we do nothing else we move the value to dptr */
+ 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));
+ if (options.model == MODEL_FLAT24)
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ 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));
+ } 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ }
+ }
+ _endLazyDPSEvaluation ();
+ }
+ }
+ freeAsmop (to, NULL, ic, FALSE);
+ _G.dptrInUse = _G.dptr1InUse = 1;
+ aopOp (count, ic->next->next, FALSE,FALSE);
+ lbl =newiTempLabel(NULL);
+ lbl2 =newiTempLabel(NULL);
+
+ /* 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));
+ if (fromc)
+ emitcode("lcall","__bi_memcmpc2x_s");
+ else
+ emitcode("lcall","__bi_memcmpx2x_s");
+ freeAsmop (count, NULL, ic, FALSE);
+ aopOp (IC_RESULT(ic), ic, FALSE,FALSE);
+ aopPut(AOP(IC_RESULT(ic)),"a",0);
+ freeAsmop (IC_RESULT(ic), NULL, ic, FALSE);
} else {
symbol *lbl1 = newiTempLabel(NULL);
-
+
+ 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));
+ freeAsmop (count, NULL, ic, FALSE);
emitcode ("mov", "dps,#!constbyte",0x21); /* Select DPTR2 & auto-toggle. */
emitcode ("","!tlabeldef",lbl->key+100);
if (fromc) {
emitcode ("movc", "a,@a+dptr");
} else
emitcode ("movx", "a,@dptr");
+ emitcode ("mov","r0,a");
+ emitcode ("movx", "a,@dptr");
+ emitcode ("clr","c");
+ emitcode ("subb","a,r0");
+ emitcode ("jnz","!tlabel",lbl2->key+100);
+ emitcode ("inc", "dptr");
+ emitcode ("inc", "dptr");
+ emitcode ("mov","a,b");
+ emitcode ("orl","a,_ap");
+ emitcode ("jz","!tlabel",lbl1->key+100);
+ emitcode ("mov","a,_ap");
+ emitcode ("add","a,#!constbyte",0xFF);
+ emitcode ("mov","_ap,a");
+ emitcode ("mov","a,b");
+ emitcode ("addc","a,#!constbyte",0xFF);
+ emitcode ("mov","b,a");
+ emitcode ("sjmp","!tlabel",lbl->key+100);
+ emitcode ("","!tlabeldef",lbl1->key+100);
+ emitcode ("clr","a");
+ emitcode ("","!tlabeldef",lbl2->key+100);
+ aopOp (IC_RESULT(ic), ic, FALSE,FALSE);
+ aopPut(AOP(IC_RESULT(ic)),"a",0);
+ freeAsmop (IC_RESULT(ic), NULL, ic, FALSE);
+ emitcode("pop","ar0");
+ emitcode ("mov", "dps,#0");
+ }
+ _G.dptrInUse = _G.dptr1InUse = 0;
+ unsavermask(rsave);
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genInp - gen code for __builtin_inp read data from a mem mapped */
+/* port, first parameter output area second parameter pointer to */
+/* port third parameter count */
+/*-----------------------------------------------------------------*/
+static void genInp( iCode *ic, int nparms, operand **parms)
+{
+ operand *from , *to , *count;
+ symbol *lbl;
+ bitVect *rsave;
+ int i;
+
+ /* we know it has to be 3 parameters */
+ assert (nparms == 3);
+
+ rsave = newBitVect(16);
+ /* save DPTR if it needs to be saved */
+ for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
+ if (bitVectBitValue(ic->rMask,i))
+ rsave = bitVectSetBit(rsave,i);
+ }
+ rsave = bitVectIntersect(rsave,bitVectCplAnd (bitVectCopy (ic->rMask),
+ ds390_rUmaskForOp (IC_RESULT(ic))));
+ savermask(rsave);
+
+ to = parms[0];
+ from = parms[1];
+ count = parms[2];
+
+ 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ }
+
+ freeAsmop (from, NULL, ic, FALSE);
+ aopOp (to, ic, FALSE, FALSE);
+ /* get "to" into DPTR */
+ /* if the operand is already in dptr
+ then we do nothing else we move the value to dptr */
+ 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));
+ if (options.model == MODEL_FLAT24)
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ 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));
+ } 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ }
+ }
+ _endLazyDPSEvaluation ();
+ }
+ }
+ freeAsmop (to, NULL, ic, FALSE);
+
+ _G.dptrInUse = _G.dptr1InUse = 1;
+ aopOp (count, ic->next->next, FALSE,FALSE);
+ lbl =newiTempLabel(NULL);
+
+ /* now for the actual copy */
+ if (AOP_TYPE(count) == AOP_LIT &&
+ (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));
+ freeAsmop (count, NULL, ic, FALSE);
+ emitcode ("","!tlabeldef",lbl->key+100);
+ emitcode ("movx", "a,@dptr"); /* read data from port */
+ emitcode ("dec","dps"); /* switch to DPTR */
+ emitcode ("movx", "@dptr,a"); /* save into location */
+ emitcode ("inc", "dptr"); /* point to next area */
+ emitcode ("inc","dps"); /* switch to DPTR2 */
+ emitcode ("djnz","b,!tlabel",lbl->key+100);
+ } 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));
+ freeAsmop (count, NULL, ic, FALSE);
+ emitcode ("mov", "dps,#!constbyte",0x1); /* Select DPTR2 */
+ emitcode ("","!tlabeldef",lbl->key+100);
+ emitcode ("movx", "a,@dptr");
+ emitcode ("dec","dps"); /* switch to DPTR */
emitcode ("movx", "@dptr,a");
emitcode ("inc", "dptr");
+ emitcode ("inc","dps"); /* switch to DPTR2 */
+/* emitcode ("djnz","b,!tlabel",lbl->key+100); */
+/* emitcode ("djnz","_ap,!tlabel",lbl->key+100); */
+ emitcode ("mov","a,b");
+ emitcode ("orl","a,_ap");
+ emitcode ("jz","!tlabel",lbl1->key+100);
+ emitcode ("mov","a,_ap");
+ emitcode ("add","a,#!constbyte",0xFF);
+ emitcode ("mov","_ap,a");
+ emitcode ("mov","a,b");
+ emitcode ("addc","a,#!constbyte",0xFF);
+ emitcode ("mov","b,a");
+ emitcode ("sjmp","!tlabel",lbl->key+100);
+ emitcode ("","!tlabeldef",lbl1->key+100);
+ }
+ emitcode ("mov", "dps,#0");
+ _G.dptrInUse = _G.dptr1InUse = 0;
+ unsavermask(rsave);
+
+}
+
+/*-----------------------------------------------------------------*/
+/* genOutp - gen code for __builtin_inp write data to a mem mapped */
+/* port, first parameter output area second parameter pointer to */
+/* port third parameter count */
+/*-----------------------------------------------------------------*/
+static void genOutp( iCode *ic, int nparms, operand **parms)
+{
+ operand *from , *to , *count;
+ symbol *lbl;
+ bitVect *rsave;
+ int i;
+
+ /* we know it has to be 3 parameters */
+ assert (nparms == 3);
+
+ rsave = newBitVect(16);
+ /* save DPTR if it needs to be saved */
+ for (i = DPL_IDX ; i <= B_IDX ; i++ ) {
+ if (bitVectBitValue(ic->rMask,i))
+ rsave = bitVectSetBit(rsave,i);
+ }
+ rsave = bitVectIntersect(rsave,bitVectCplAnd (bitVectCopy (ic->rMask),
+ ds390_rUmaskForOp (IC_RESULT(ic))));
+ savermask(rsave);
+
+ to = parms[0];
+ from = parms[1];
+ count = parms[2];
+
+ 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx1,%s", aopGet (AOP (from), 2, FALSE, FALSE, TRUE));
+ }
+
+ freeAsmop (from, NULL, ic, FALSE);
+ aopOp (to, ic, FALSE, FALSE);
+ /* get "to" into DPTR */
+ /* if the operand is already in dptr
+ then we do nothing else we move the value to dptr */
+ 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));
+ if (options.model == MODEL_FLAT24)
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ 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));
+ } 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));
+ if (options.model == MODEL_FLAT24) {
+ emitcode ("mov", "dpx,%s", aopGet (AOP (to), 2, FALSE, FALSE, TRUE));
+ }
+ }
+ _endLazyDPSEvaluation ();
+ }
+ }
+ freeAsmop (to, NULL, ic, FALSE);
+
+ _G.dptrInUse = _G.dptr1InUse = 1;
+ aopOp (count, ic->next->next, FALSE,FALSE);
+ lbl =newiTempLabel(NULL);
+
+ /* now for the actual copy */
+ if (AOP_TYPE(count) == AOP_LIT &&
+ (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 ("","!tlabeldef",lbl->key+100);
+ emitcode ("movx", "a,@dptr"); /* read data from port */
+ emitcode ("inc","dps"); /* switch to DPTR2 */
+ emitcode ("movx", "@dptr,a"); /* save into location */
+ emitcode ("inc", "dptr"); /* point to next area */
+ emitcode ("dec","dps"); /* switch to DPTR */
+ emitcode ("djnz","b,!tlabel",lbl->key+100);
+ freeAsmop (count, NULL, ic, FALSE);
+ } 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));
+ freeAsmop (count, NULL, ic, FALSE);
+ emitcode ("mov", "dps,#!constbyte",0x0); /* Select DPTR */
+ emitcode ("","!tlabeldef",lbl->key+100);
+ emitcode ("movx", "a,@dptr");
emitcode ("inc", "dptr");
+ emitcode ("inc","dps"); /* switch to DPTR2 */
+ emitcode ("movx", "@dptr,a");
+ emitcode ("dec","dps"); /* switch to DPTR */
emitcode ("mov","a,b");
emitcode ("orl","a,_ap");
emitcode ("jz","!tlabel",lbl1->key+100);
emitcode ("","!tlabeldef",lbl1->key+100);
}
emitcode ("mov", "dps,#0");
- freeAsmop (count, NULL, ic, FALSE);
+ _G.dptrInUse = _G.dptr1InUse = 0;
unsavermask(rsave);
}
+/*-----------------------------------------------------------------*/
+/* genSwapW - swap lower & high order bytes */
+/*-----------------------------------------------------------------*/
+static void genSwapW(iCode *ic, int nparms, operand **parms)
+{
+ operand *dest;
+ operand *src;
+ assert (nparms==1);
+
+ src = parms[0];
+ dest=IC_RESULT(ic);
+
+ assert(getSize(operandType(src))==2);
+
+ aopOp (src, ic, FALSE, FALSE);
+ emitcode ("mov","a,%s",aopGet(AOP(src),0,FALSE,FALSE,TRUE));
+ _G.accInUse++;
+ emitcode ("mov","b,%s",aopGet(AOP(src),1,FALSE,FALSE,FALSE));
+ _G.accInUse--;
+ freeAsmop (src, NULL, ic, FALSE);
+
+ aopOp (dest,ic, FALSE, FALSE);
+ aopPut(AOP(dest),"b",0);
+ aopPut(AOP(dest),"a",1);
+ freeAsmop (dest, NULL, ic, FALSE);
+}
+
/*-----------------------------------------------------------------*/
/* genMemsetX - gencode for memSetX data */
/*-----------------------------------------------------------------*/
emitcode ("","!tlabeldef",lbl->key+100);
l = aopGet(AOP (val), 0, FALSE, FALSE, TRUE);
MOVA(l);
- emitcode ("movx", "a,@dptr");
+ emitcode ("movx", "@dptr,a");
emitcode ("inc", "dptr");
emitcode ("mov","a,b");
emitcode ("orl","a,_ap");
genMemcpyX2X(bi_iCode,nbi_parms,bi_parms,0);
} else if (strcmp(bif->name,"__builtin_memcpy_c2x")==0) {
genMemcpyX2X(bi_iCode,nbi_parms,bi_parms,1);
+ } else if (strcmp(bif->name,"__builtin_memcmp_x2x")==0) {
+ genMemcmpX2X(bi_iCode,nbi_parms,bi_parms,0);
+ } else if (strcmp(bif->name,"__builtin_memcmp_c2x")==0) {
+ genMemcmpX2X(bi_iCode,nbi_parms,bi_parms,1);
} else if (strcmp(bif->name,"__builtin_memset_x")==0) {
genMemsetX(bi_iCode,nbi_parms,bi_parms);
+ } else if (strcmp(bif->name,"__builtin_inp")==0) {
+ genInp(bi_iCode,nbi_parms,bi_parms);
+ } else if (strcmp(bif->name,"__builtin_outp")==0) {
+ genOutp(bi_iCode,nbi_parms,bi_parms);
+ } else if (strcmp(bif->name,"__builtin_swapw")==0) {
+ genSwapW(bi_iCode,nbi_parms,bi_parms);
+ /* JavaNative builtIns */
} else if (strcmp(bif->name,"NatLib_LoadByte")==0) {
genNatLibLoadPrimitive(bi_iCode,nbi_parms,bi_parms,1);
} else if (strcmp(bif->name,"NatLib_LoadShort")==0) {
int cln = 0;
lineHead = lineCurr = NULL;
-
+ dptrn[1][0] = "dpl1";
+ dptrn[1][1] = "dph1";
+ dptrn[1][2] = "dpx1";
+
if (options.model == MODEL_FLAT24) {
fReturnSizeDS390 = 5;
fReturn = fReturn24;
fReturn = fReturn16;
options.stack10bit=0;
}
-#if 0
- //REMOVE ME!!!
+#if 1
/* print the allocation information */
if (allocInfo)
printAllocInfo (currFunc, codeOutFile);
for (ic = lic; ic; ic = ic->next)
{
- if (cln != ic->lineno)
+ if (ic->lineno && cln != ic->lineno)
{
if (options.debug)
{
ic->level, ic->block);
_G.debugLine = 0;
}
- emitcode (";", "%s %d", 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
break;
case GET_VALUE_AT_ADDRESS:
- genPointerGet (ic,hasInc(IC_LEFT(ic),ic));
+ genPointerGet (ic,hasInc(IC_LEFT(ic),ic, getSize(operandType(IC_RESULT(ic)))));
break;
case '=':
if (POINTER_SET (ic))
- genPointerSet (ic,hasInc(IC_RESULT(ic),ic));
+ genPointerSet (ic,hasInc(IC_RESULT(ic),ic,getSize(operandType(IC_RIGHT(ic)))));
else
genAssign (ic);
break;