(*aopp)->type = AOP_R1;
return mcs51_regWithIdx (R1_IDX);
}
-
endOfWorld:
- /* I said end of world but not quite end of world yet */
- /* if this is a result then we can push it on the stack */
- if (result)
- {
- (*aopp)->type = AOP_STK;
- return NULL;
+ /* I said end of world, but not quite end of world yet */
+ if (result) {
+ /* we can push it on the stack */
+ (*aopp)->type = AOP_STK;
+ return NULL;
+ } else {
+ /* in the case that result AND left AND right needs a pointer reg
+ we can safely use the result's */
+ if (bitVectBitValue (mcs51_rUmaskForOp(IC_RESULT(ic)), R0_IDX)) {
+ (*aopp)->type = AOP_R0;
+ return mcs51_regWithIdx (R0_IDX);
}
+ if (bitVectBitValue (mcs51_rUmaskForOp(IC_RESULT(ic)), R1_IDX)) {
+ (*aopp)->type = AOP_R1;
+ return mcs51_regWithIdx (R1_IDX);
+ }
+ }
- /* other wise this is true end of the world */
+ /* now this is REALLY the end of the world */
werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
"getFreePtr should never reach here");
exit (1);
/*-----------------------------------------------------------------*/
/* inExcludeList - return 1 if the string is in exclude Reg list */
/*-----------------------------------------------------------------*/
+static int
+regsCmp(void *p1, void *p2)
+{
+ return (STRCASECMP((char *)p1, (char *)(p2)) == 0);
+}
+
static bool
inExcludeList (char *s)
{
- int i = 0;
+ const char *p = setFirstItem(options.excludeRegsSet);
- if (options.excludeRegs[i] &&
- STRCASECMP (options.excludeRegs[i], "none") == 0)
+ if (p == NULL || STRCASECMP(p, "none") == 0)
return FALSE;
- for (i = 0; options.excludeRegs[i]; i++)
- {
- if (options.excludeRegs[i] &&
- STRCASECMP (s, options.excludeRegs[i]) == 0)
- return TRUE;
- }
- return FALSE;
+
+ return isinSetWith(options.excludeRegsSet, s, regsCmp);
}
/*-----------------------------------------------------------------*/
lineHead = lineCurr = NULL;
/* print the allocation information */
- if (allocInfo)
+ if (allocInfo && currFunc)
printAllocInfo (currFunc, codeOutFile);
/* if debug information required */
if (options.debug && currFunc)