#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
-
#include "common.h"
#include "SDCCpeeph.h"
#include "ralloc.h"
#include "gen.h"
-#if defined(__BORLANDC__) || defined(_MSC_VER)
-#define STRCASECMP stricmp
-#else
-#define STRCASECMP strcasecmp
-#endif
-
extern int allocInfo;
/* this is the down and dirty file with all kinds of
extern int xa51_ptrRegReq;
extern int xa51_nRegs;
-extern FILE *codeOutFile;
+extern struct dbuf_s *codeOutBuf;
static lineNode *lineHead = NULL;
static lineNode *lineCurr = NULL;
if (inst && *inst)
{
if (fmt && *fmt)
- sprintf (lb, "%s\t", inst);
+ sprintf (lb, "%s\t", inst);
else
- sprintf (lb, "%s", inst);
+ sprintf (lb, "%s", inst);
vsprintf (lb + (strlen (lb)), fmt, ap);
}
else
vsprintf (lb, fmt, ap);
- while (isspace ((int)*lbp))
+ while (isspace (*lbp))
lbp++;
if (lbp && *lbp)
lineCurr = (lineCurr ?
- connectLine (lineCurr, newLineNode (lb)) :
- (lineHead = newLineNode (lb)));
+ connectLine (lineCurr, newLineNode (lb)) :
+ (lineHead = newLineNode (lb)));
lineCurr->isInline = _G.inLine;
lineCurr->isDebug = _G.debugLine;
va_end (ap);
}
+/*-----------------------------------------------------------------*/
+/* xa51_emitDebuggerSymbol - associate the current code location */
+/* with a debugger symbol */
+/*-----------------------------------------------------------------*/
+void
+xa51_emitDebuggerSymbol (char * debugSym)
+{
+ _G.debugLine = 1;
+ emitcode ("", "%s ==.", debugSym);
+ _G.debugLine = 0;
+}
+
+
char *getStackOffset(int stack) {
static char gsoBuf[1024];
sprintf (gsoBuf, "r7+(%d%+d%+d)", stack,
- currFunc->stack, _G.nRegsSaved);
+ currFunc->stack, _G.nRegsSaved);
return gsoBuf;
}
/*-----------------------------------------------------------------*/
/* aopForSym - for a true symbol */
/*-----------------------------------------------------------------*/
-static asmop *aopForSym(symbol *sym,
- bool canUsePointer, bool canUseOffset) {
+static asmop *aopForSym(symbol *sym,
+ bool canUsePointer, bool canUseOffset) {
int size;
asmop *aop;
// if the sym has registers
if (sym->nRegs && sym->regs[0]) {
aop->type=AOP_REG;
- sprintf (aop->name[0], sym->regs[0]->name);
+ sprintf (aop->name[0], "%s", sym->regs[0]->name);
if (size > 2) {
- sprintf (aop->name[1], sym->regs[1]->name);
+ sprintf (aop->name[1], "%s", sym->regs[1]->name);
}
return aop;
}
if (sym->onStack) {
if (!canUsePointer || !canUseOffset) {
aop->type=AOP_REG;
- switch (size)
- {
- case 1:
- emitcode ("mov.b", "r0l,[%s]", getStackOffset(sym->stack));
- sprintf (aop->name[0], "r0l");
- return aop;
- case 2:
- emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
- sprintf (aop->name[0], "r0");
- return aop;
- case 3:
- emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
- sprintf (aop->name[0], "r0");
- emitcode ("mov.b", "r1l,[%s]", getStackOffset(sym->stack+2));
- sprintf (aop->name[1], "r1l");
- return aop;
- case 4:
- emitcode ("mov.w", "r0,[%s]", getStackOffset(sym->stack));
- sprintf (aop->name[0], "r0");
- emitcode ("mov.w", "r1,[%s]", getStackOffset(sym->stack+2));
- sprintf (aop->name[1], "r1");
- return aop;
- }
+ switch (size)
+ {
+ case 1:
+ emitcode ("mov.b", "r0l,[%s] ;aopForSym:stack:1", getStackOffset(sym->stack));
+ sprintf (aop->name[0], "r0l");
+ return aop;
+ case 2:
+ emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:2", getStackOffset(sym->stack));
+ sprintf (aop->name[0], "r0");
+ return aop;
+ case 3:
+ emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:3.w", getStackOffset(sym->stack));
+ sprintf (aop->name[0], "r0");
+ emitcode ("mov.b", "r1l,[%s] ;aopForSym:stack:3.b", getStackOffset(sym->stack+2));
+ sprintf (aop->name[1], "r1l");
+ return aop;
+ case 4:
+ emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack));
+ sprintf (aop->name[0], "r0");
+ emitcode ("mov.w", "r1,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack+2));
+ sprintf (aop->name[1], "r1");
+ return aop;
+ }
}
aop->type=AOP_STK;
sprintf (aop->name[0], "[%s]", getStackOffset(sym->stack));
// if in bit space
if (IN_BITSPACE(SPEC_OCLS(sym->etype))) {
aop->type=AOP_BIT;
- sprintf (aop->name[0], sym->rname);
+ sprintf (aop->name[0], "%s", sym->rname);
return aop;
}
// if in direct space
if (IN_DIRSPACE(SPEC_OCLS(sym->etype))) {
aop->type=AOP_DIR;
- sprintf (aop->name[0], sym->rname);
+ sprintf (aop->name[0], "%s", sym->rname);
if (size>2) {
sprintf (aop->name[1], "%s+2", sym->rname);
}
if (IN_CODESPACE(SPEC_OCLS(sym->etype))) {
if (!canUsePointer) {
aop->type=AOP_REG;
- switch (size)
- {
- case 1:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOVC, "r0l,[r0]");
- sprintf (aop->name[0], "r0l");
- return aop;
- case 2:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOVC, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- case 3:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOVC, "r1l,[r0+2]");
- sprintf (aop->name[1], "r1l");
- emitcode (MOV, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- case 4:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOVC, "r1,[r0+2]");
- sprintf (aop->name[1], "r1");
- emitcode (MOVC, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- }
-
+ switch (size)
+ {
+ case 1:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOVC, "r0l,[r0+]");
+ sprintf (aop->name[0], "r0l");
+ return aop;
+ case 2:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOVC, "r0,[r0+]");
+ sprintf (aop->name[0], "r0");
+ return aop;
+ case 3:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOVC, "r0,[r0+]");
+ sprintf (aop->name[1], "r0");
+ emitcode (MOV, "r1l,[r0+]");
+ sprintf (aop->name[0], "r1l");
+ return aop;
+ case 4:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOVC, "r1,[r0+]");
+ emitcode (MOVC, "r0,[r0+]");
+ emitcode ("xch", "r0,r1");
+ sprintf (aop->name[0], "r0");
+ sprintf (aop->name[1], "r1");
+ return aop;
+ }
+
} else {
aop->type=AOP_CODE;
emitcode ("mov", "r0,#%s ; aopForSym:code", sym->rname);
sprintf (aop->name[0], "[r0]");
if (size>2) {
- sprintf (aop->name[1], "[r0+2]");
+ sprintf (aop->name[1], "[r0+2]");
}
}
return aop;
if (IN_FARSPACE(SPEC_OCLS(sym->etype))) {
if (!canUsePointer) {
aop->type=AOP_REG;
- switch (size)
- {
- case 1:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOV, "r0l,[r0]");
- sprintf (aop->name[0], "r0l");
- return aop;
- case 2:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOV, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- case 3:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOV, "r1l,[r0+2]");
- sprintf (aop->name[1], "r1l");
- emitcode (MOV, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- case 4:
- emitcode (MOV, "r0,#%s", sym->rname);
- emitcode (MOV, "r1,[r0+2]");
- sprintf (aop->name[1], "r1");
- emitcode (MOV, "r0,[r0]");
- sprintf (aop->name[0], "r0");
- return aop;
- }
+ switch (size)
+ {
+ case 1:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOV, "r0l,[r0]");
+ sprintf (aop->name[0], "r0l");
+ return aop;
+ case 2:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOV, "r0,[r0]");
+ sprintf (aop->name[0], "r0");
+ return aop;
+ case 3:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOV, "r1l,[r0+2]");
+ sprintf (aop->name[1], "r1l");
+ emitcode (MOV, "r0,[r0]");
+ sprintf (aop->name[0], "r0");
+ return aop;
+ case 4:
+ emitcode (MOV, "r0,#%s", sym->rname);
+ emitcode (MOV, "r1,[r0+2]");
+ sprintf (aop->name[1], "r1");
+ emitcode (MOV, "r0,[r0]");
+ sprintf (aop->name[0], "r0");
+ return aop;
+ }
} else {
aop->type=AOP_FAR;
- emitcode ("mov", "r0,#%s ; aopForSym:far", sym->rname);
+ emitcode ("mov.w", "r0,#%s ; aopForSym:far", sym->rname);
sprintf (aop->name[0], "[r0]");
if (size>2) {
- sprintf (aop->name[1], "[r0+2]");
+ sprintf (aop->name[1], "[r0+2]");
}
return aop;
}
}
-
+
bailOut("aopForSym");
return NULL;
}
switch ((aop->size=getSize(operandType(op))))
{
case 1:
- sprintf (aop->name[0], "#0x%02x",
- SPEC_CVAL(operandType(op)).v_int & 0xff);
- sprintf (aop->name[1], "#0");
- break;
+ sprintf (aop->name[0], "#0x%02x",
+ SPEC_CVAL(operandType(op)).v_int & 0xff);
+ sprintf (aop->name[1], "#0");
+ break;
case 2:
- sprintf (aop->name[0], "#0x%04x",
- SPEC_CVAL(operandType(op)).v_int & 0xffff);
- sprintf (aop->name[1], "#0");
- break;
+ sprintf (aop->name[0], "#0x%04x",
+ SPEC_CVAL(operandType(op)).v_int & 0xffff);
+ sprintf (aop->name[1], "#0");
+ break;
case 3:
- // must be a generic pointer, can only be zero
- // ?? if (v!=0) fprintf (stderr, "invalid val op for gptr\n"); exit(1);
- sprintf (aop->name[0], "#0x%04x",
- SPEC_CVAL(operandType(op)).v_uint & 0xffff);
- sprintf (aop->name[1], "#0");
- break;
+ // must be a generic pointer, can only be zero
+ // ?? if (v!=0) fprintf (stderr, "invalid val op for gptr\n"); exit(1);
+ sprintf (aop->name[0], "#0x%04x",
+ SPEC_CVAL(operandType(op)).v_uint & 0xffff);
+ sprintf (aop->name[1], "#0");
+ break;
case 4:
- sprintf (aop->name[0], "#0x%04lx",
- SPEC_CVAL(operandType(op)).v_ulong & 0xffff);
- sprintf (aop->name[1], "#0x%04lx",
- SPEC_CVAL(operandType(op)).v_ulong >> 16);
- break;
+ sprintf (aop->name[0], "#0x%04x",
+ SPEC_CVAL(operandType(op)).v_ulong & 0xffff);
+ sprintf (aop->name[1], "#0x%04x",
+ SPEC_CVAL(operandType(op)).v_ulong >> 16);
+ break;
default:
- bailOut("aopForVal");
+ bailOut("aopForVal");
}
return aop;
}
// must be immediate
if (IS_SYMOP(op)) {
op->aop = aop = newAsmop (AOP_IMMD);
- switch ((aop->size=getSize(OP_SYMBOL(op)->type)))
+ switch ((aop->size=getSize(OP_SYMBOL(op)->type)))
{
case 1:
case 2:
- sprintf (aop->name[0], "#%s", OP_SYMBOL(op)->rname);
- return aop;
+ sprintf (aop->name[0], "#%s", OP_SYMBOL(op)->rname);
+ return aop;
case 3: // generic pointer
- sprintf (aop->name[0], "#0x%02x", DCL_TYPE(operandType(op)));
- sprintf (aop->name[1], "#%s", OP_SYMBOL(op)->rname);
- return aop;
+ sprintf (aop->name[0], "#0x%02x", DCL_TYPE(operandType(op)));
+ sprintf (aop->name[1], "#%s", OP_SYMBOL(op)->rname);
+ return aop;
}
}
return NULL;
}
-static int aopOp(operand *op,
- bool canUsePointer, bool canUseOffset) {
+static int aopOp(operand *op,
+ bool canUsePointer, bool canUseOffset) {
if (IS_SYMOP(op)) {
op->aop=aopForSym (OP_SYMBOL(op), canUsePointer, canUseOffset);
return FALSE;
}
}
-
+
char *opRegName(operand *op, int offset, char *opName, bool decorate) {
if (IS_SYMOP(op)) {
case V_SBIT:
case V_BIT:
if (SPEC_CVAL(OP_VALUE(op)->type).v_int &&
- SPEC_CVAL(OP_VALUE(op)->type).v_int != 1) {
- bailOut("opRegName: invalid bit value");
+ SPEC_CVAL(OP_VALUE(op)->type).v_int != 1) {
+ bailOut("opRegName: invalid bit value");
}
// fall through
case V_CHAR:
- sprintf (opName, "#%s0x%02x", decorate?"(char)":"",
- SPEC_CVAL(OP_VALUE(op)->type).v_int);
+ sprintf (opName, "#%s0x%02x", decorate?"(char)":"",
+ SPEC_CVAL(OP_VALUE(op)->type).v_int);
break;
case V_INT:
if (SPEC_LONG(OP_VALUE(op)->type)) {
- sprintf (opName, "#%s0x%02lx", decorate?"(long)":"",
- SPEC_CVAL(OP_VALUE(op)->type).v_long);
+ sprintf (opName, "#%s0x%02x", decorate?"(long)":"",
+ SPEC_CVAL(OP_VALUE(op)->type).v_long);
} else {
- sprintf (opName, "#%s0x%02x", decorate?"(int)":"",
- SPEC_CVAL(OP_VALUE(op)->type).v_int);
+ sprintf (opName, "#%s0x%02x", decorate?"(int)":"",
+ SPEC_CVAL(OP_VALUE(op)->type).v_int);
}
break;
case V_FLOAT:
sprintf (opName, "#%s%f", decorate?"(float)":"",
- SPEC_CVAL(OP_VALUE(op)->type).v_float);
+ SPEC_CVAL(OP_VALUE(op)->type).v_float);
break;
- default:
+ default:
bailOut("opRegName: unexpected noun");
}
return opName;
if (isPtr) {
sprintf (line, "[");
if (DCL_TYPE(optype)==FPOINTER)
- strcat (line, "far * ");
+ strcat (line, "far * ");
else if (DCL_TYPE(optype)==CPOINTER)
- strcat (line, "code * ");
+ strcat (line, "code * ");
else if (DCL_TYPE(optype)==GPOINTER)
- strcat (line, "gen * ");
+ strcat (line, "gen * ");
else if (DCL_TYPE(optype)==POINTER)
- strcat (line, "near * ");
+ strcat (line, "near * ");
else
- strcat (line, "unknown * ");
+ strcat (line, "unknown * ");
strcat (line, "(");
strcat (line, nounName(sym->etype));
strcat (line, ")");
if (sym->regs[0]) {
strcat (line, sym->regs[0]->name);
if (sym->regs[1]) {
- strcat (line, ",");
- strcat (line, sym->regs[1]->name);
+ strcat (line, ",");
+ strcat (line, sym->regs[1]->name);
}
return line;
}
sprintf (line, "(");
if (isPtr) {
if (DCL_TYPE(optype)==FPOINTER)
- strcat (line, "far * ");
+ strcat (line, "far * ");
else if (DCL_TYPE(optype)==CPOINTER)
- strcat (line, "code * ");
+ strcat (line, "code * ");
else if (DCL_TYPE(optype)==GPOINTER)
- strcat (line, "gen * ");
+ strcat (line, "gen * ");
else if (DCL_TYPE(optype)==POINTER)
- strcat (line, "near * ");
+ strcat (line, "near * ");
else
- strcat (line, "unknown * ");
+ strcat (line, "unknown * ");
}
// forget about static, volatile, ... for now
if (SPEC_USIGN(operandType(op))) strcat (line, "unsigned ");
return line;
}
-void printIc (char *op, iCode * ic, bool result, bool left, bool right) {
+void printIc (bool printToStderr,
+ char *op, iCode * ic, bool result, bool left, bool right) {
char line[132];
sprintf (line, "%s(%d)", op, ic->lineno);
strcat (line, printOp (IC_RIGHT(ic)));
}
emitcode (";", line);
+ if (printToStderr) {
+ fprintf (stderr, "%s\n", line);
+ }
}
/*-----------------------------------------------------------------*/
static char *toBoolean (operand * op) {
symbol *tlbl=newiTempLabel(NULL);
- switch (AOP_SIZE(op))
+ switch (AOP_SIZE(op))
{
case 1:
case 2:
emitcode ("cjne", "%s,#1,%05d$; %s", AOP_NAME(op), tlbl->key+100,
- "This needs a second thought");
-
+ "This needs a second thought");
+
emitcode ("", "%05d$:", tlbl->key+100);
return "c";
}
{
int j;
if (!sym1->regs[i])
- continue;
+ continue;
for (j = 0; j < sym2->nRegs; j++)
- {
- if (!sym2->regs[j])
- continue;
+ {
+ if (!sym2->regs[j])
+ continue;
- if (sym2->regs[j] == sym1->regs[i])
- return TRUE;
- }
+ if (sym2->regs[j] == sym1->regs[i])
+ return TRUE;
+ }
}
return FALSE;
static int resultRemat (iCode * ic) {
if (SKIP_IC (ic) || ic->op == IFX)
return 0;
-
+
if (IC_RESULT (ic) && IS_ITEMP (IC_RESULT (ic)))
{
symbol *sym = OP_SYMBOL (IC_RESULT (ic));
if (sym->remat && !POINTER_SET (ic))
- return 1;
+ return 1;
}
-
+
return 0;
}
/* genNot - generate code for ! operation */
/*-----------------------------------------------------------------*/
static void genNot (iCode * ic) {
- printIc("genNot:", ic, 1,1,0);
+ printIc (0, "genNot:", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
/* genCpl - generate code for complement */
/*-----------------------------------------------------------------*/
static void genCpl (iCode * ic) {
- printIc("genCpl", ic, 1,1,0);
+ printIc (0, "genCpl", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
/* genUminus - unary minus code generation */
/*-----------------------------------------------------------------*/
static void genUminus (iCode * ic) {
- printIc("genUminus", ic, 1,1,0);
+ printIc (0, "genUminus", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
static void genIpush (iCode * ic) {
operand *left=IC_LEFT(ic);
- printIc ("genIpush", ic, 0,1,0);
+ printIc (0, "genIpush", ic, 0,1,0);
aopOp(left,FALSE,FALSE);
if (AOP_TYPE(left)==AOP_LIT) {
- switch (AOP_SIZE(left))
+ switch (AOP_SIZE(left))
{
case 1:
- emitcode ("mov", "r1l,%s", AOP_NAME(left)[0]);
- emitcode ("push", "r1l");
- _G.parmsPushed++;
- return;
+ emitcode ("mov", "r1l,%s", AOP_NAME(left)[0]);
+ emitcode ("push", "r1l");
+ _G.parmsPushed++;
+ return;
case 2:
- emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
- emitcode ("push", "r1");
- _G.parmsPushed++;
- return;
+ emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+ emitcode ("push", "r1");
+ _G.parmsPushed++;
+ return;
case 3:
- emitcode ("mov", "r1l,%s", AOP_NAME(left)[1]);
- emitcode ("push", "r1l");
- emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
- emitcode ("push", "r1");
- _G.parmsPushed += 2;
- return;
+ emitcode ("mov", "r1l,%s", AOP_NAME(left)[1]);
+ emitcode ("push", "r1l");
+ emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+ emitcode ("push", "r1");
+ _G.parmsPushed += 2;
+ return;
case 4:
- emitcode ("mov", "r1,%s", AOP_NAME(left)[1]);
- emitcode ("push", "r1");
- emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
- emitcode ("push", "r1");
- _G.parmsPushed += 2;
- return;
+ emitcode ("mov", "r1,%s", AOP_NAME(left)[1]);
+ emitcode ("push", "r1");
+ emitcode ("mov", "r1,%s", AOP_NAME(left)[0]);
+ emitcode ("push", "r1");
+ _G.parmsPushed += 2;
+ return;
}
} else {
if (AOP_SIZE(left)>2) {
/* genIpop - recover the registers: can happen only for spilling */
/*-----------------------------------------------------------------*/
static void genIpop (iCode * ic) {
- printIc ("genIpop", ic, 0,1,0);
+ printIc (0, "genIpop", ic, 0,1,0);
}
/*-----------------------------------------------------------------*/
operand *result=IC_RESULT(ic);
emitcode (";", "genCall(%d) %s result=%s", ic->lineno,
- OP_SYMBOL(IC_LEFT(ic))->name,
- printOp (IC_RESULT(ic)));
+ OP_SYMBOL(IC_LEFT(ic))->name,
+ printOp (IC_RESULT(ic)));
emitcode ("call", "%s", OP_SYMBOL(IC_LEFT(ic))->rname);
/* readjust the stack if we have pushed some parms */
switch (AOP_SIZE(result))
{
case 1:
- emitcode ("mov", "%s,r0l", AOP_NAME(result)[0]);
- return;
+ emitcode ("mov", "%s,r0l", AOP_NAME(result)[0]);
+ return;
case 2:
- emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
- return;
+ emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+ return;
case 3:
- // generic pointer
- emitcode ("mov", "%s,r1l", AOP_NAME(result)[1]);
- emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
- return;
+ // generic pointer
+ emitcode ("mov", "%s,r1l", AOP_NAME(result)[1]);
+ emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+ return;
case 4:
- emitcode ("mov", "%s,r1", AOP_NAME(result)[1]);
- emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
- return;
+ emitcode ("mov", "%s,r1", AOP_NAME(result)[1]);
+ emitcode ("mov", "%s,r0", AOP_NAME(result)[0]);
+ return;
}
bailOut("genCall");
}
emitcode (";", "genFunction %s", sym->rname);
/* print the allocation information */
- printAllocInfo (currFunc, codeOutFile);
+ printAllocInfo (currFunc, codeOutBuf);
emitcode ("", "%s:", sym->rname);
{
symbol *sym = OP_SYMBOL (IC_LEFT (ic));
- printIc ("genEndFunction", ic, 0,0,0);
+ printIc (0, "genEndFunction", ic, 0,0,0);
if (IFFUNC_ISNAKED(sym->type)) {
emitcode(";", "naked function: no epilogue.");
+ if (options.debug && currFunc)
+ debugFile->writeEndFunction (currFunc, ic, 0);
return;
}
emitcode ("add", "r7,#%d\t; release stack space for locals", sym->stack);
}
+ if (options.debug && currFunc) {
+ debugFile->writeEndFunction (currFunc, ic, 1);
+ }
+
if (IFFUNC_ISISR(sym->type)) {
emitcode ("reti", "");
} else {
/*-----------------------------------------------------------------*/
static void genRet (iCode * ic) {
- printIc ("genRet", ic, 0,1,0);
-
- aopOp(IC_LEFT(ic), TRUE, TRUE);
+ if (!IC_LEFT(ic)) {
+ printIc (0, "genRet", ic, 0, 0, 0);
+ } else {
+ printIc (0, "genRet", ic, 0, 1, 0);
+ aopOp(IC_LEFT(ic), TRUE, TRUE);
+ switch (AOP_SIZE(IC_LEFT(ic)))
+ {
+ case 4:
+ emitcode ("mov", "r1,%s", AOP_NAME(IC_LEFT(ic))[1]);
+ emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
+ break;
+ case 3:
+ emitcode ("mov", "r1l,%s", AOP_NAME(IC_LEFT(ic))[1]);
+ // fall through
+ case 2:
+ emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
+ break;
+ case 1:
+ emitcode ("mov", "r0l,%s", AOP_NAME(IC_LEFT(ic))[0]);
+ break;
+ default:
+ bailOut("genRet");
+ }
+ }
- switch (AOP_SIZE(IC_LEFT(ic)))
- {
- case 4:
- emitcode ("mov", "r1,%s", AOP_NAME(IC_LEFT(ic))[1]);
- emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
- break;
- case 3:
- emitcode ("mov", "r1l,%s", AOP_NAME(IC_LEFT(ic))[1]);
- // fall through
- case 2:
- emitcode ("mov", "r0,%s", AOP_NAME(IC_LEFT(ic))[0]);
- break;
- case 1:
- emitcode ("mov", "r0l,%s", AOP_NAME(IC_LEFT(ic))[0]);
- break;
- default:
- bailOut("genRet");
- }
emitcode ("jmp", "%05d$", returnLabel->key+100);
}
int size;
char *instr;
- printIc ("genPlus", ic, 1,1,1);
+ printIc (0, "genPlus", ic, 1,1,1);
size=aopOp(result, TRUE, TRUE);
right = left;
left = tmp;
}
-
+
if (aopIsBit(result)) {
if (IS_LITERAL(operandType(right))) {
if (operandLitValue(right)) {
- emitcode ("setb", AOP_NAME(result)[0]);
- return;
+ emitcode ("setb", AOP_NAME(result)[0]);
+ return;
}
aopOp(left, TRUE, TRUE);
emitcode ("mov", "%s,%s", AOP_NAME(result)[0], toBoolean(left));
}
bailOut("genPlus: unfinished genPlus bit");
}
-
+
aopOp(left, !aopIsPtr(result), !aopIsDir(result));
aopOp(right, !aopIsPtr(result), !aopIsDir(result));
+ // special case for "* = * + char", needs a closer look
+ // heck, this shouldn't have come here but bug-223113 does
+ if (size==3 && AOP_SIZE(right)==1) {
+ emitcode ("mov", "r1l,%s", AOP_NAME(right)[0]);
+ emitcode ("mov", "r1h,#0"); // ptr arith unsigned????????????
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+ emitcode ("add.w", "%s,r1", AOP_NAME(result)[0]);
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(left)[1]);
+ return;
+ }
+
+ // special case for "xdata * = xdata * + char", needs a closer look
+ // heck, this shouldn't have come here but bug-441448 does
+ if (size==2 && AOP_SIZE(right)==1) {
+ emitcode ("mov", "r1l,%s", AOP_NAME(right)[0]);
+ emitcode ("mov", "r1h,#0"); // ptr arith unsigned????????????
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+ emitcode ("add.w", "%s,r1", AOP_NAME(result)[0]);
+ return;
+ }
+
if (size>1) {
instr="add.w";
} else {
/* genMinus - generates code for subtraction */
/*-----------------------------------------------------------------*/
static void genMinus (iCode * ic) {
- printIc ("genMinus", ic, 1,1,1);
-}
+ operand *result=IC_RESULT(ic), *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+ int size;
+ char *instr;
+
+ printIc (0, "genMinus", ic, 1,1,1);
+ size=aopOp(result, TRUE, TRUE);
+
+ /* if left is a literal, then exchange them */
+ if (IS_LITERAL(operandType(left))) {
+ operand *tmp = right;
+ right = left;
+ left = tmp;
+ }
+
+ if (aopIsBit(result)) {
+ if (IS_LITERAL(operandType(right))) {
+ if (operandLitValue(right)) {
+ emitcode ("clr", AOP_NAME(result)[0]);
+ return;
+ }
+ aopOp(left, TRUE, TRUE);
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[0], toBoolean(left));
+ return;
+ }
+ bailOut("genPlus: unfinished genPlus bit");
+ }
+
+ if (isOperandEqual(result,left)) {
+ left->aop=result->aop;
+ } else {
+ aopOp(left, !aopIsPtr(result), !aopIsDir(result));
+ }
+ aopOp(right, !aopIsPtr(result), !aopIsDir(result));
+
+ if (size>1) {
+ instr="sub.w";
+ } else {
+ instr="sub.b";
+ }
+ if (!aopEqual(result->aop, left->aop, 0)) {
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(left)[0]);
+ }
+ emitcode (instr, "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+ if (size>2) {
+ if (!aopEqual(result->aop, left->aop, 1)) {
+ emitcode ("mov", "%s,%s", AOP_NAME(result)[1], AOP_NAME(left)[1]);
+ }
+ if (size==3) {
+ // generic pointer
+ } else {
+ emitcode ("subb.w", "%s,%s", AOP_NAME(result)[1], AOP_NAME(right)[1]);
+ }
+ }
+ return;
+}
/*-----------------------------------------------------------------*/
/* genMult - generates code for multiplication */
/*-----------------------------------------------------------------*/
static void genMult (iCode * ic) {
- printIc ("genMult", ic, 1,1,1);
+ printIc (0, "genMult", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/* genDiv - generates code for division */
/*-----------------------------------------------------------------*/
static void genDiv (iCode * ic) {
- printIc ("genDiv", ic, 1,1,1);
+ printIc (0, "genDiv", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/* genMod - generates code for division */
/*-----------------------------------------------------------------*/
static void genMod (iCode * ic) {
- printIc ("genMod", ic, 1,1,1);
+ printIc (0, "genMod", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
-/* genCmpGt :- greater than comparison */
+/* ifxForOp - returns the icode containing the ifx for operand */
/*-----------------------------------------------------------------*/
-static void genCmpGt (iCode * ic) {
- printIc ("genCmpGt", ic, 1,1,1);
+static iCode *ifxForOp (operand * op, iCode * ic) {
+ /* if true symbol then needs to be assigned */
+ if (IS_TRUE_SYMOP (op))
+ return NULL;
+
+ /* if this has register type condition and
+ the next instruction is ifx with the same operand
+ and live to of the operand is upto the ifx only then */
+ if (ic->next &&
+ ic->next->op == IFX &&
+ IC_COND (ic->next)->key == op->key &&
+ OP_SYMBOL (op)->liveTo <= ic->next->seq)
+ return ic->next;
+
+ return NULL;
}
+
/*-----------------------------------------------------------------*/
-/* genCmpGt :- greater than comparison */
+/* genCmp - compares whatever */
/*-----------------------------------------------------------------*/
-static void genCmpLe (iCode * ic) {
- printIc ("genCmpLe", ic, 1,1,1);
+static void genCmp (iCode * ic, char *trueInstr, char *falseInstr) {
+ iCode *ifx=ifxForOp(IC_RESULT(ic),ic);
+ operand *left=IC_LEFT(ic), *right=IC_RIGHT(ic);
+ int size;
+ bool isTrue;
+ char *instr;
+ int jlbl;
+
+
+ size=aopOp(left, TRUE, TRUE);
+ aopOp(right, !aopIsPtr(left), TRUE);
+
+ if (size==1) {
+ instr="cmp.b";
+ } else {
+ instr="cmp.w";
+ }
+
+ if (IC_TRUE(ifx)) {
+ isTrue=TRUE;
+ jlbl=IC_TRUE(ifx)->key+100;
+ } else {
+ isTrue=FALSE;
+ jlbl=IC_FALSE(ifx)->key+100;
+ }
+
+ if (!ifx) {
+ aopOp(IC_RESULT(ic), !aopIsPtr(left), TRUE);
+ jlbl=newiTempLabel(NULL)->key+100;
+ emitcode("mov", "%s,#-1", AOP_NAME(IC_RESULT(ic))[0]);
+ emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
+ emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+ emitcode("cpl", "%s", AOP_NAME(IC_RESULT(ic))[0]);
+ emitcode("", "%05d$:", jlbl);
+ } else {
+ emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
+ emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+ ifx->generated=1;
+ }
+
+ if (size>2) {
+ bailOut("genCmp: size > 2");
+ }
+
}
+
/*-----------------------------------------------------------------*/
-/* genCmpGt :- greater than comparison */
+/* genCmpEq :- generates code for equal to */
/*-----------------------------------------------------------------*/
-static void genCmpGe (iCode * ic) {
- printIc ("genCmpGe", ic, 1,1,1);
+static void genCmpEq (iCode * ic) {
+ printIc (0, "genCmpEq", ic, 0,1,1);
+ genCmp(ic, "beq", "bne"); // no sign
}
+
/*-----------------------------------------------------------------*/
/* genCmpGt :- greater than comparison */
/*-----------------------------------------------------------------*/
-static void genCmpNe (iCode * ic) {
- printIc ("genCmpNe", ic, 1,1,1);
+static void genCmpGt (iCode * ic) {
+ printIc (0, "genCmpGt", ic, 0,1,1);
+ if (SPEC_USIGN(operandType(IC_LEFT(ic))) ||
+ SPEC_USIGN(operandType(IC_RIGHT(ic)))) {
+ genCmp(ic, "bg", "bl"); // unsigned
+ } else {
+ genCmp(ic, "bgt", "ble"); // signed
+ }
}
+
/*-----------------------------------------------------------------*/
/* genCmpLt - less than comparisons */
/*-----------------------------------------------------------------*/
static void genCmpLt (iCode * ic) {
- printIc ("genCmpLt", ic, 1,1,1);
-}
-/*-----------------------------------------------------------------*/
-/* genCmpEq - generates code for equal to */
-/*-----------------------------------------------------------------*/
-static void genCmpEq (iCode * ic) {
- printIc ("genCmpEq", ic, 1,1,1);
-}
-
-/*-----------------------------------------------------------------*/
-/* ifxForOp - returns the icode containing the ifx for operand */
-/*-----------------------------------------------------------------*/
-static iCode *ifxForOp (operand * op, iCode * ic) {
- /* if true symbol then needs to be assigned */
- if (IS_TRUE_SYMOP (op))
- return NULL;
-
- /* if this has register type condition and
- the next instruction is ifx with the same operand
- and live to of the operand is upto the ifx only then */
- if (ic->next &&
- ic->next->op == IFX &&
- IC_COND (ic->next)->key == op->key &&
- OP_SYMBOL (op)->liveTo <= ic->next->seq)
- return ic->next;
-
- return NULL;
+ printIc (0, "genCmpLt", ic, 0,1,1);
+ if (SPEC_USIGN(operandType(IC_LEFT(ic))) ||
+ SPEC_USIGN(operandType(IC_RIGHT(ic)))) {
+ genCmp(ic, "bcs", "bcc"); // unsigned
+ } else {
+ genCmp(ic, "blt", "bge"); // signed
+ }
}
/*-----------------------------------------------------------------*/
sym_link *retype = getSpec (type);
iCode *lic = ic->next;
int isize ;
-
+
/* this could from a cast, e.g.: "(char xdata *) 0x7654;" */
if (!IS_SYMOP(op)) return NULL;
/* if operand of the form op = op + <sizeof *op> */
if (lic->op == '+') {
if (isOperandEqual(IC_LEFT(lic),op) &&
- //isOperandEqual(IC_RESULT(lic),op) &&
- isOperandLiteral(IC_RIGHT(lic)) &&
- operandLitValue(IC_RIGHT(lic)) == isize) {
- emitcode (";", "Found hasInc");
- return lic;
+ //isOperandEqual(IC_RESULT(lic),op) &&
+ isOperandLiteral(IC_RIGHT(lic)) &&
+ operandLitValue(IC_RIGHT(lic)) == isize) {
+ emitcode (";", "Found hasInc");
+ return lic;
}
}
/* if the operand used or deffed */
- if (bitVectBitValue(OP_USES(op),lic->key) || (unsigned) lic->defKey == op->key) {
+ if (bitVectBitValue(OP_USES(op),lic->key) || lic->defKey == op->key) {
return NULL;
}
/* if GOTO or IFX */
/* genAndOp - for && operation */
/*-----------------------------------------------------------------*/
static void genAndOp (iCode * ic) {
- printIc ("genAndOp(&&)", ic, 1,1,1);
+ printIc (0, "genAndOp(&&)", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/* genOrOp - for || operation */
/*-----------------------------------------------------------------*/
static void genOrOp (iCode * ic) {
- printIc ("genOrOp(||)", ic, 1,1,1);
+ printIc (0, "genOrOp(||)", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/* genAnd - code for and */
/*-----------------------------------------------------------------*/
static void genAnd (iCode * ic, iCode * ifx) {
- printIc ("genAnd", ic, 1,1,1);
+ printIc (0, "genAnd", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
int size;
char *instr;
- printIc ("genOr", ic, 1,1,1);
+ printIc (0, "genOr", ic, 1,1,1);
size=aopOp(result, TRUE, TRUE);
right = left;
left = tmp;
}
-
+
if (aopIsBit(result)) {
if (IS_LITERAL(operandType(right))) {
if (operandLitValue(right)) {
- emitcode ("setb", AOP_NAME(result)[0]);
- return;
+ emitcode ("setb", AOP_NAME(result)[0]);
+ return;
}
aopOp(left, TRUE, TRUE);
emitcode ("mov", "%s,%s", AOP_NAME(result)[0], toBoolean(left));
return;
}
}
-
+
aopOp(left, !aopIsPtr(result), !aopIsDir(result));
aopOp(right, !aopIsPtr(result), !aopIsDir(result));
/* genXor - code for xclusive or */
/*-----------------------------------------------------------------*/
static void genXor (iCode * ic, iCode * ifx) {
- printIc ("genXor", ic, 1,1,1);
+ printIc (0, "genXor", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
static void genInline (iCode * ic) {
- printIc ("genInline", ic, 0,0,0);
-
+ printIc (0, "genInline", ic, 0,0,0);
+
emitcode ("", IC_INLINE(ic));
}
/* genRRC - rotate right with carry */
/*-----------------------------------------------------------------*/
static void genRRC (iCode * ic) {
- printIc ("genRRC", ic, 1,1,0);
+ printIc (0, "genRRC", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
/* genRLC - generate code for rotate left with carry */
/*-----------------------------------------------------------------*/
static void genRLC (iCode * ic) {
- printIc ("genRLC", ic, 1,1,0);
+ printIc (0, "genRLC", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
/* genGetHbit - generates code get highest order bit */
/*-----------------------------------------------------------------*/
static void genGetHbit (iCode * ic) {
- printIc ("genGetHbit", ic, 1,1,0);
+ printIc (0, "genGetHbit", ic, 1,1,0);
}
/*-----------------------------------------------------------------*/
/* genLeftShift - generates code for left shifting */
/*-----------------------------------------------------------------*/
static void genLeftShift (iCode * ic) {
- printIc ("genLeftShift", ic, 1,1,1);
+ printIc (0, "genLeftShift", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
/* genRightShift - generate code for right shifting */
/*-----------------------------------------------------------------*/
static void genRightShift (iCode * ic) {
- printIc ("genRightShift", ic, 1,1,1);
+ printIc (0, "genRightShift", ic, 1,1,1);
}
/*-----------------------------------------------------------------*/
bool codePointer=IS_CODEPTR(operandType(left));
int size;
- printIc ("genPointerGet", ic, 1,1,0);
+ if (pi) {
+ printIc (0, "genPointerGet pi", ic, 1,1,0);
+ } else {
+ printIc (0, "genPointerGet", ic, 1,1,0);
+ }
if (!IS_PTR(operandType(left))) {
bailOut ("genPointerGet: pointer required");
}
if (size>2) {
if (pi) {
- emitcode ("mov", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+ emitcode ("mov", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
} else {
- emitcode ("mov", "%s,[%s+2]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+ emitcode ("mov", "%s,[%s+2]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
}
}
emitcode ("br", "%05d$", tlbl2->key+100);
}
if (size>2) {
if (pi) {
- emitcode ("movc", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
+ emitcode ("movc", "%s,[%s+]", AOP_NAME(result)[1], AOP_NAME(left)[0]);
} else {
- emitcode ("movc", "%s,[r0+]", AOP_NAME(result)[1]);
+ emitcode ("movc", "%s,[r0+]", AOP_NAME(result)[1]);
}
}
emitcode ("", "%05d$:", tlbl2->key+100);
return;
}
- switch (AOP_TYPE(left))
+ switch (AOP_TYPE(left))
{
+ case AOP_LIT:
+ emitcode("mov","r1,%s", AOP_NAME(left)[0]);
+ sprintf (AOP_NAME(left)[0], "r1");
+ // fall through
case AOP_REG:
if (size>1) {
- if (codePointer) {
- instr=MOVCW;
- } else {
- instr=MOVW;
- }
- scratchReg=R1;
+ if (codePointer) {
+ instr=MOVCW;
+ } else {
+ instr=MOVW;
+ }
+ scratchReg=R1;
} else {
- if (codePointer) {
- instr=MOVCB;
- } else {
- instr=MOVB;
- }
- scratchReg=R1L;
+ if (codePointer) {
+ instr=MOVCB;
+ } else {
+ instr=MOVB;
+ }
+ scratchReg=R1L;
}
if (AOP_TYPE(result)==AOP_STK) {
- emitcode (MOV, "%s,[%s]", scratchReg, AOP_NAME(left)[0]);
- emitcode (MOV, "%s,%s", AOP_NAME(result)[0], scratchReg);
+ emitcode (MOV, "%s,[%s]", scratchReg, AOP_NAME(left)[0]);
+ emitcode (MOV, "%s,%s", AOP_NAME(result)[0], scratchReg);
} else {
- if (pi) {
- emitcode (instr, "%s,[%s+]", AOP_NAME(result)[0],
- AOP_NAME(left)[0]);
- pi->generated=1;
- } else {
- if (codePointer) {
- emitcode (MOV, "r1,%s", AOP_NAME(left)[0]);
- emitcode (instr, "%s,[r1+]", AOP_NAME(result)[0]);
- } else {
- emitcode (instr, "%s,[%s]", AOP_NAME(result)[0],
- AOP_NAME(left)[0]);
- }
- }
+ if (pi) {
+ emitcode (instr, "%s,[%s+]", AOP_NAME(result)[0],
+ AOP_NAME(left)[0]);
+ pi->generated=1;
+ } else {
+ if (codePointer) {
+ emitcode (MOV, "r1,%s", AOP_NAME(left)[0]);
+ emitcode (instr, "%s,[r1+]", AOP_NAME(result)[0]);
+ } else {
+ emitcode (instr, "%s,[%s]", AOP_NAME(result)[0],
+ AOP_NAME(left)[0]);
+ }
+ }
}
if (size > 2) {
- if (size==3) {
- if (codePointer) {
- instr=MOVCB;
- } else {
- instr=MOVB;
- }
- scratchReg=R1L;
- }
- if (AOP_TYPE(result)==AOP_STK) {
- emitcode (MOV, "%s,[%s+2]", scratchReg, AOP_NAME(left)[0]);
- emitcode (MOV, "%s,%s", AOP_NAME(result)[1], scratchReg);
- } else {
- if (pi) {
- emitcode (instr, "%s,[%s+]", AOP_NAME(result)[1],
- AOP_NAME(left)[0]);
- } else {
- if (codePointer) {
- emitcode (instr, "%s,[r1]", AOP_NAME(result)[1]);
- } else {
- emitcode (instr, "%s,[%s+2]", AOP_NAME(result)[1],
- AOP_NAME(left)[0]);
- }
- }
- }
+ if (size==3) {
+ if (codePointer) {
+ instr=MOVCB;
+ } else {
+ instr=MOVB;
+ }
+ scratchReg=R1L;
+ }
+ if (AOP_TYPE(result)==AOP_STK) {
+ emitcode (MOV, "%s,[%s+2]", scratchReg, AOP_NAME(left)[0]);
+ emitcode (MOV, "%s,%s", AOP_NAME(result)[1], scratchReg);
+ } else {
+ if (pi) {
+ emitcode (instr, "%s,[%s+]", AOP_NAME(result)[1],
+ AOP_NAME(left)[0]);
+ } else {
+ if (codePointer) {
+ emitcode (instr, "%s,[r1]", AOP_NAME(result)[1]);
+ } else {
+ emitcode (instr, "%s,[%s+2]", AOP_NAME(result)[1],
+ AOP_NAME(left)[0]);
+ }
+ }
+ }
}
return;
}
operand *result=IC_RESULT(ic), *right=IC_RIGHT(ic);
int size;
- printIc ("genPointerSet", ic, 1,0,1);
+ printIc (0, "genPointerSet", ic, 1,0,1);
if (!IS_PTR(operandType(result))) {
bailOut ("genPointerSet: pointer required");
size=aopOp(right,FALSE, FALSE);
if (IS_GENPTR(operandType(result))) {
- emitcode (";", "INLINE\t_gptrset ; [%s %s] = %s %s",
- AOP_NAME(result)[0], AOP_NAME(result)[1],
- AOP_NAME(right)[0], AOP_NAME(right)[1]);
+ emitcode (";", "INLINE\t_gptrset ; [%s %s] = %s %s",
+ AOP_NAME(result)[0], AOP_NAME(result)[1],
+ AOP_NAME(right)[0], AOP_NAME(right)[1]);
return;
}
- switch (AOP_TYPE(right))
+ switch (AOP_TYPE(right))
{
case AOP_LIT:
case AOP_REG:
if (size>1) {
- instr=MOVW;
+ instr=MOVW;
} else {
- instr=MOVB;
+ instr=MOVB;
}
if (pi) {
- emitcode (instr, "[%s+],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
- pi->generated=1;
+ emitcode (instr, "[%s+],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+ pi->generated=1;
} else {
- emitcode (instr, "[%s],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+ emitcode (instr, "[%s],%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
}
if (size > 2) {
- if (size==3) {
- instr=MOVB;
- }
- if (pi) {
- emitcode (instr, "[%s+],%s", AOP_NAME(result)[0],
- AOP_NAME(right)[1]);
- } else {
- emitcode (instr, "[%s+2],%s", AOP_NAME(result)[0],
- AOP_NAME(right)[1]);
- }
+ if (size==3) {
+ instr=MOVB;
+ }
+ if (pi) {
+ emitcode (instr, "[%s+],%s", AOP_NAME(result)[0],
+ AOP_NAME(right)[1]);
+ } else {
+ emitcode (instr, "[%s+2],%s", AOP_NAME(result)[0],
+ AOP_NAME(right)[1]);
+ }
}
return;
}
int size;
char *instr;
bool trueOrFalse;
- symbol *jlbl, *tlbl;
+ symbol *jlbl, *tlbl=newiTempLabel(NULL);
operand *cond=IC_COND(ic);
- emitcode (";", "genIfx(%d) cond=%s trueLabel:%s falseLabel:%s",
- ic->lineno, printOp(cond),
- IC_TRUE(ic) ? IC_TRUE(ic)->name : "NULL",
- IC_FALSE(ic) ? IC_FALSE(ic)->name : "NULL");
+ emitcode (";", "genIfx(%d) cond=%s trueLabel:%s falseLabel:%s",
+ ic->lineno, printOp(cond),
+ IC_TRUE(ic) ? IC_TRUE(ic)->name : "NULL",
+ IC_FALSE(ic) ? IC_FALSE(ic)->name : "NULL");
size=aopOp(cond,TRUE,TRUE);
switch (AOP_TYPE(cond) )
{
case AOP_BIT:
- emitcode (trueOrFalse ? "jb" : "jnb", "%s,%05d$",
- AOP_NAME(cond)[0], jlbl->key+100);
+ emitcode (trueOrFalse ? "jnb" : "jb", "%s,%05d$",
+ AOP_NAME(cond)[0], tlbl->key+100);
+ emitcode ("jmp", "%05d$", jlbl->key+100);
+ emitcode ("", "%05d$:", tlbl->key+100);
return;
case AOP_REG:
case AOP_DIR:
case AOP_FAR:
case AOP_STK:
- tlbl=newiTempLabel(NULL);
if (size>1) {
- instr="cmp.w";
+ instr="cmp.w";
} else {
- instr="cmp.b";
+ instr="cmp.b";
}
emitcode (instr, "%s,#0", AOP_NAME(cond)[0]);
emitcode (trueOrFalse ? "beq" : "bne", "%05d$", tlbl->key+100);
if (size > 2) {
- if (size==3) {
- // generic pointer, forget the generic part
- } else {
- emitcode (instr, "%s,#0", AOP_NAME(cond)[1]);
- emitcode (trueOrFalse ? "beq" : "bne", "%05d$", tlbl->key+100);
- }
+ if (size==3) {
+ // generic pointer, forget the generic part
+ } else {
+ emitcode (instr, "%s,#0", AOP_NAME(cond)[1]);
+ emitcode (trueOrFalse ? "beq" : "bne", "%05d$", tlbl->key+100);
+ }
}
emitcode ("jmp", "%05d$", jlbl->key+100);
emitcode ("", "%05d$:", tlbl->key+100);
int size;
operand *left=IC_LEFT(ic);
- printIc ("genAddrOf", ic, 1,1,0);
+ printIc (0, "genAddrOf", ic, 1,1,0);
size=aopOp (IC_RESULT(ic), FALSE, TRUE);
if (isOperandOnStack(left)) {
emitcode ("lea", "%s,%s", AOP_NAME(IC_RESULT(ic))[0],
- getStackOffset(OP_SYMBOL(left)->stack));
+ getStackOffset(OP_SYMBOL(left)->stack));
if (size > 2) {
// this must be a generic pointer
- emitcode ("mov", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], FPOINTER);
+ emitcode ("mov.b", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], FPOINTER);
}
return;
}
isOperandInFarSpace(left) ||
isOperandInCodeSpace(left)) {
emitcode ("mov.w", "%s,#%s", AOP_NAME(IC_RESULT(ic))[0],
- OP_SYMBOL(left)->rname);
+ OP_SYMBOL(left)->rname);
if (size > 2) {
// this must be a generic pointer
int space=0; // dir space
if (isOperandInFarSpace(left)) {
- space=1;
+ space=1;
} else if (isOperandInCodeSpace(left)) {
- space=2;
+ space=2;
}
emitcode ("mov.b", "%s,#0x%02x", AOP_NAME(IC_RESULT(ic))[1], space);
}
int size;
char *instr;
- printIc ("genAssign", ic, 1,0,1);
-
+ printIc (0, "genAssign", ic, 1,0,1);
+
if (!IS_SYMOP(result)) {
bailOut("genAssign: result is not a symbol");
}
-
+
aopOp(result, TRUE, TRUE);
aopOp(right, !aopIsPtr(result), AOP_TYPE(result)!=AOP_DIR);
size=AOP_SIZE(result);
/* if right is literal, we know what the value is */
if (AOP_TYPE(right) == AOP_LIT) {
if (operandLitValue(right)) {
- emitcode ("setb", AOP_NAME(result)[0]);
+ emitcode ("setb", AOP_NAME(result)[0]);
} else {
- emitcode ("clr", AOP_NAME(result)[0]);
+ emitcode ("clr", AOP_NAME(result)[0]);
}
return;
}
return;
}
+ // TODO: if (-8 >= right==lit <= 7) instr=MOVS
/* general case */
if (size>1) {
instr=MOVW;
/* genJumpTab - genrates code for jump table */
/*-----------------------------------------------------------------*/
static void genJumpTab (iCode * ic) {
- printIc ("genJumpTab", ic, 0,0,0);
+ printIc (0, "genJumpTab", ic, 0,0,0);
}
/*-----------------------------------------------------------------*/
sym_link *etype=getSpec(rtype);
short ptrType, signedness;
- printIc ("genCast", ic, 1,1,1);
+ printIc (0, "genCast", ic, 1,1,1);
aopOp(result, TRUE, TRUE);
aopOp(right, !aopIsPtr(result), AOP_TYPE(result)!=AOP_DIR);
size=AOP_SIZE(result);
-
+
/* if result is a bit */
if (AOP_TYPE(result) == AOP_BIT) {
/* if right is literal, we know what the value is */
if (AOP_TYPE(right) == AOP_LIT) {
if (operandLitValue(right)) {
- emitcode ("setb", AOP_NAME(result)[0]);
+ emitcode ("setb", AOP_NAME(result)[0]);
} else {
- emitcode ("clr", AOP_NAME(result)[0]);
+ emitcode ("clr", AOP_NAME(result)[0]);
}
return;
}
emitcode ("sext", "r1h");
emitcode ("mov", "%s,r1", AOP_NAME(result)[0]);
}
-
+
/* if pointer to generic pointer */
if (IS_GENPTR (ctype)) {
-
+
if (IS_GENPTR (rtype)) {
- bailOut("genCast: gptr -> gptr");
+ bailOut("genCast: gptr -> gptr");
}
if (IS_PTR (rtype)) {
- ptrType = DCL_TYPE (rtype);
+ ptrType = DCL_TYPE (rtype);
} else {
- /* we have to go by the storage class */
- if (!SPEC_OCLS(etype)) {
- bailOut("genCast: unknown storage class");
- } else {
- ptrType = PTR_TYPE (SPEC_OCLS (etype));
- }
+ /* we have to go by the storage class */
+ if (!SPEC_OCLS(etype)) {
+ ptrType=0; // hush the compiler
+ bailOut("genCast: unknown storage class");
+ } else {
+ ptrType = PTR_TYPE (SPEC_OCLS (etype));
+ }
}
-
+
/* the generic part depends on the type */
switch (ptrType)
- {
- case POINTER:
- emitcode ("mov", "%s,#0x00", AOP_NAME(result)[1]);
- break;
- case FPOINTER:
- emitcode ("mov", "%s,#0x01", AOP_NAME(result)[1]);
- break;
- case CPOINTER:
- emitcode ("mov", "%s,#0x02", AOP_NAME(result)[1]);
- break;
- default:
- bailOut("genCast: got unknown storage class");
- }
+ {
+ case POINTER:
+ emitcode ("mov.b", "%s,#0x00", AOP_NAME(result)[1]);
+ break;
+ case FPOINTER:
+ emitcode ("mov.b", "%s,#0x01", AOP_NAME(result)[1]);
+ break;
+ case CPOINTER:
+ emitcode ("mov.b", "%s,#0x02", AOP_NAME(result)[1]);
+ break;
+ default:
+ bailOut("genCast: got unknown storage class");
+ }
}
return;
}
case 0x11:
emitcode("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
return;
+ case 0x42:
+ emitcode("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
+ if (signedness) {
+ emitcode("sext", "%s", AOP_NAME(result)[1]);
+ } else {
+ emitcode("mov", "%s,#0", AOP_NAME(result)[1]);
+ }
+ return;
case 0x41:
case 0x21:
emitcode("mov", "r1l,%s", AOP_NAME(right)[0]);
if (signedness) {
- emitcode("sext", "r1h");
+ emitcode("sext", "r1h");
} else {
- emitcode("mov", "rlh,#0");
+ emitcode("mov", "r1h,#0");
}
emitcode("mov", "%s,r1", AOP_NAME(result)[0]);
if (size==2)
- return;
+ return;
// fall through: case 0x41
- emitcode("sext", AOP_NAME(result)[1]);
+ if (signedness) {
+ emitcode("sext", "r1");
+ } else {
+ emitcode("mov", "r1,#0");
+ }
+ emitcode("mov", "%s,r1", AOP_NAME(result)[1]);
return;
- case 14:
- case 12:
+ case 0x14:
+ case 0x12:
emitcode("mov", "r1,%s", AOP_NAME(right)[0]);
emitcode("mov", "%s,r1l", AOP_NAME(result)[0]);
return;
- case 24:
- emitcode("mov", "%s,%s", AOP_NAME(result)[0], AOP_NAME(right)[0]);
- return;
}
+ fprintf(stderr, "genCast: unknown size: %d:%d\n",
+ AOP_SIZE(result), AOP_SIZE(right));
bailOut("genCast: unknown size");
}
if (getSize (operandType (IC_RESULT (ic))) > 2)
return 0;
- printIc ("genDjnz", ic, 1,1,1);
+ printIc (0, "genDjnz", ic, 1,1,1);
/* otherwise we can save BIG */
lbl = newiTempLabel (NULL);
/* genReceive - generate code for a receive iCode */
/*-----------------------------------------------------------------*/
static void genReceive (iCode * ic) {
- printIc ("genReceive", ic, 1,0,0);
+ printIc (0, "genReceive", ic, 1,0,0);
+}
+
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+ emitcode ("; genDummyRead","");
+
+ ic = ic;
}
/*-----------------------------------------------------------------*/
void genXA51Code (iCode * lic) {
iCode *ic;
int cln = 0;
-
+
lineHead = lineCurr = NULL;
-
+
/* if debug information required */
if (options.debug && currFunc)
{
- cdbSymbol (currFunc, cdbFile, FALSE, TRUE);
- _G.debugLine = 1;
- if (IS_STATIC (currFunc->etype))
- emitcode ("", "F%s$%s$0$0 ==.", moduleName, currFunc->name);
- else
- emitcode ("", "G$%s$0$0 ==.", currFunc->name);
- _G.debugLine = 0;
+ debugFile->writeFunction (currFunc, lic);
}
-
+
for (ic = lic; ic; ic = ic->next) {
if (ic->lineno && cln != ic->lineno) {
if (options.debug) {
- _G.debugLine = 1;
- emitcode ("", "C$%s$%d$%d$%d ==.",
- FileBaseName (ic->filename), ic->lineno,
- ic->level, ic->block);
- _G.debugLine = 0;
+ debugFile->writeCLine (ic);
+ }
+ if (!options.noCcodeInAsm) {
+ emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
+ printCLine(ic->filename, ic->lineno));
}
- emitcode ("", ";\t%s:%d: %s", ic->filename, ic->lineno,
- printCLine(ic->filename, ic->lineno));
cln = ic->lineno;
}
+ if (options.iCodeInAsm) {
+ const char *iLine = printILine(ic);
+ emitcode("", ";ic:%d: %s", ic->key, iLine);
+ dbuf_free(iLine);
+ }
+
/* if the result is marked as
spilt and rematerializable or code for
this has already been generated then
do nothing */
if (resultRemat (ic) || ic->generated)
continue;
-
+
/* depending on the operation */
switch (ic->op)
{
case '!':
- genNot (ic);
- break;
-
+ genNot (ic);
+ break;
+
case '~':
- genCpl (ic);
- break;
-
+ genCpl (ic);
+ break;
+
case UNARYMINUS:
- genUminus (ic);
- break;
-
+ genUminus (ic);
+ break;
+
case IPUSH:
- genIpush (ic);
- break;
-
+ genIpush (ic);
+ break;
+
case IPOP:
- /* IPOP happens only when trying to restore a
- spilt live range, if there is an ifx statement
- following this pop then the if statement might
- be using some of the registers being popped which
- would destory the contents of the register so
- we need to check for this condition and handle it */
- if (ic->next &&
- ic->next->op == IFX &&
- regsInCommon (IC_LEFT (ic), IC_COND (ic->next)))
- genIfx (ic->next, ic);
- else
- genIpop (ic);
- break;
-
+ /* IPOP happens only when trying to restore a
+ spilt live range, if there is an ifx statement
+ following this pop then the if statement might
+ be using some of the registers being popped which
+ would destory the contents of the register so
+ we need to check for this condition and handle it */
+ if (ic->next &&
+ ic->next->op == IFX &&
+ regsInCommon (IC_LEFT (ic), IC_COND (ic->next)))
+ genIfx (ic->next, ic);
+ else
+ genIpop (ic);
+ break;
+
case CALL:
- genCall (ic);
- break;
-
+ genCall (ic);
+ break;
+
case PCALL:
- genPcall (ic);
- break;
-
+ genPcall (ic);
+ break;
+
case FUNCTION:
- genFunction (ic);
- break;
-
+ genFunction (ic);
+ break;
+
case ENDFUNCTION:
- genEndFunction (ic);
- break;
-
+ genEndFunction (ic);
+ break;
+
case RETURN:
- genRet (ic);
- break;
-
+ genRet (ic);
+ break;
+
case LABEL:
- genLabel (ic);
- break;
-
+ genLabel (ic);
+ break;
+
case GOTO:
- genGoto (ic);
- break;
-
+ genGoto (ic);
+ break;
+
case '+':
- genPlus (ic);
- break;
-
+ genPlus (ic);
+ break;
+
case '-':
- if (!genDjnz (ic, ifxForOp (IC_RESULT (ic), ic)))
- genMinus (ic);
- break;
-
+ if (!genDjnz (ic, ifxForOp (IC_RESULT (ic), ic)))
+ genMinus (ic);
+ break;
+
case '*':
- genMult (ic);
- break;
-
+ genMult (ic);
+ break;
+
case '/':
- genDiv (ic);
- break;
-
+ genDiv (ic);
+ break;
+
case '%':
- genMod (ic);
- break;
-
+ genMod (ic);
+ break;
+
case '>':
- genCmpGt (ic);
- break;
-
+ genCmpGt (ic);
+ break;
+
case '<':
- genCmpLt (ic);
- break;
-
- case LE_OP:
- genCmpLe (ic);
- break;
+ genCmpLt (ic);
+ break;
+ case LE_OP:
case GE_OP:
- genCmpGe (ic);
- break;
-
case NE_OP:
- genCmpNe (ic);
- break;
+
+ /* note these two are xlated by algebraic equivalence
+ during parsing SDCC.y */
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "got '>=' or '<=' shouldn't have come here");
+ break;
case EQ_OP:
- genCmpEq (ic);
- break;
-
+ genCmpEq (ic);
+ break;
+
case AND_OP:
- genAndOp (ic);
- break;
-
+ genAndOp (ic);
+ break;
+
case OR_OP:
- genOrOp (ic);
- break;
-
+ genOrOp (ic);
+ break;
+
case '^':
- genXor (ic, ifxForOp (IC_RESULT (ic), ic));
- break;
-
+ genXor (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
case '|':
- genOr (ic, ifxForOp (IC_RESULT (ic), ic));
- break;
-
+ genOr (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
case BITWISEAND:
- genAnd (ic, ifxForOp (IC_RESULT (ic), ic));
- break;
-
+ genAnd (ic, ifxForOp (IC_RESULT (ic), ic));
+ break;
+
case INLINEASM:
- genInline (ic);
- break;
-
+ genInline (ic);
+ break;
+
case RRC:
- genRRC (ic);
- break;
-
+ genRRC (ic);
+ break;
+
case RLC:
- genRLC (ic);
- break;
-
+ genRLC (ic);
+ break;
+
case GETHBIT:
- genGetHbit (ic);
- break;
-
+ genGetHbit (ic);
+ break;
+
case LEFT_OP:
- genLeftShift (ic);
- break;
-
+ genLeftShift (ic);
+ break;
+
case RIGHT_OP:
- genRightShift (ic);
- break;
-
+ genRightShift (ic);
+ break;
+
case GET_VALUE_AT_ADDRESS:
- genPointerGet (ic, hasInc(IC_LEFT(ic), ic, getSize(operandType(IC_RESULT(ic)))));
- break;
-
+ 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, getSize(operandType(IC_RIGHT(ic)))));
- else
- genAssign (ic);
- break;
-
+ if (POINTER_SET (ic))
+ genPointerSet (ic, hasInc(IC_RESULT(ic), ic, getSize(operandType(IC_RIGHT(ic)))));
+ else
+ genAssign (ic);
+ break;
+
case IFX:
- genIfx (ic, NULL);
- break;
-
+ genIfx (ic, NULL);
+ break;
+
case ADDRESS_OF:
- genAddrOf (ic);
- break;
-
+ genAddrOf (ic);
+ break;
+
case JUMPTABLE:
- genJumpTab (ic);
- break;
-
+ genJumpTab (ic);
+ break;
+
case CAST:
- genCast (ic);
- break;
-
+ genCast (ic);
+ break;
+
case RECEIVE:
- genReceive (ic);
- break;
-
+ genReceive (ic);
+ break;
+
case SEND:
- addSet (&_G.sendSet, ic);
- break;
-
+ addSet (&_G.sendSet, ic);
+ break;
+
+ case DUMMY_READ_VOLATILE:
+ genDummyRead (ic);
+ break;
+
default:
- ic = ic;
+ ic = ic;
}
}
-
-
+
+
/* now we are ready to call the
peep hole optimizer */
if (!options.nopeep)
peepHole (&lineHead);
-
+
/* now do the actual printing */
- printLine (lineHead, codeOutFile);
+ printLine (lineHead, codeOutBuf);
return;
}
projects / fw / sdcc / blobdiff