#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;
else
vsprintf (lb, fmt, ap);
- while (isspace ((int)*lbp))
+ while (isspace (*lbp))
lbp++;
if (lbp && *lbp)
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,
switch (size)
{
case 1:
- emitcode ("mov.b", "r0l,[%s]", getStackOffset(sym->stack));
+ 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]", getStackOffset(sym->stack));
+ 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]", getStackOffset(sym->stack));
+ emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:3.w", getStackOffset(sym->stack));
sprintf (aop->name[0], "r0");
- emitcode ("mov.b", "r1l,[%s]", getStackOffset(sym->stack+2));
+ 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]", getStackOffset(sym->stack));
+ emitcode ("mov.w", "r0,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack));
sprintf (aop->name[0], "r0");
- emitcode ("mov.w", "r1,[%s]", getStackOffset(sym->stack+2));
+ emitcode ("mov.w", "r1,[%s] ;aopForSym:stack:4", getStackOffset(sym->stack+2));
sprintf (aop->name[1], "r1");
return aop;
}
sprintf (aop->name[1], "#0");
break;
case 4:
- sprintf (aop->name[0], "#0x%04lx",
+ sprintf (aop->name[0], "#0x%04x",
SPEC_CVAL(operandType(op)).v_ulong & 0xffff);
- sprintf (aop->name[1], "#0x%04lx",
+ sprintf (aop->name[1], "#0x%04x",
SPEC_CVAL(operandType(op)).v_ulong >> 16);
break;
default:
break;
case V_INT:
if (SPEC_LONG(OP_VALUE(op)->type)) {
- sprintf (opName, "#%s0x%02lx", decorate?"(long)":"",
+ sprintf (opName, "#%s0x%02x", decorate?"(long)":"",
SPEC_CVAL(OP_VALUE(op)->type).v_long);
} else {
sprintf (opName, "#%s0x%02x", decorate?"(int)":"",
emitcode (";", "genFunction %s", sym->rname);
/* print the allocation information */
- printAllocInfo (currFunc, codeOutFile);
+ printAllocInfo (currFunc, codeOutBuf);
emitcode ("", "%s:", sym->rname);
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 {
aopOp(left, !aopIsPtr(result), !aopIsDir(result));
aopOp(right, !aopIsPtr(result), !aopIsDir(result));
- // special case for * = * + char, needs a closer look
+ // 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]);
return;
}
- // special case for (whatever)* = (whatever)** + char, needs a closer look
+ // 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]);
/* genMinus - generates code for subtraction */
/*-----------------------------------------------------------------*/
static void genMinus (iCode * ic) {
+ 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 */
char *instr;
int jlbl;
- if (!ifx) {
- bailOut("genCmp: no ifx");
- } else {
- ifx->generated=1;
- }
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;
isTrue=FALSE;
jlbl=IC_FALSE(ifx)->key+100;
}
-
- if (size==1) {
- instr="cmp.b";
+
+ 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 {
- instr="cmp.w";
+ emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
+ emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+ ifx->generated=1;
}
- emitcode(instr, "%s,%s", AOP_NAME(left)[0], AOP_NAME(right)[0]);
- emitcode(isTrue ? trueInstr : falseInstr, "%05d$", jlbl);
+
if (size>2) {
bailOut("genCmp: size > 2");
}
+
}
/*-----------------------------------------------------------------*/
}
}
/* 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 */
printIc (0, "genReceive", ic, 1,0,0);
}
+/*-----------------------------------------------------------------*/
+/* genDummyRead - generate code for dummy read of volatiles */
+/*-----------------------------------------------------------------*/
+static void
+genDummyRead (iCode * ic)
+{
+ emitcode ("; genDummyRead","");
+
+ ic = ic;
+}
+
/*-----------------------------------------------------------------*/
/* gen51Code - generate code for 8051 based controllers */
/*-----------------------------------------------------------------*/
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) {
+ 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;
-
+
case '~':
genCpl (ic);
break;
-
+
case UNARYMINUS:
genUminus (ic);
break;
case RLC:
genRLC (ic);
break;
-
+
case GETHBIT:
genGetHbit (ic);
break;
case RECEIVE:
genReceive (ic);
break;
-
+
case SEND:
addSet (&_G.sendSet, ic);
break;
-
+
+ case DUMMY_READ_VOLATILE:
+ genDummyRead (ic);
+ break;
+
default:
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