int iCodeSeq = 0;
hTab *liveRanges = NULL;
hTab *iCodehTab = NULL;
+hTab *iCodeSeqhTab = NULL;
/*-----------------------------------------------------------------*/
/* sequenceiCode - creates a sequence number for the iCode & add */
ic->seq = ++iCodeSeq;
ic->depth = ebbs[i]->depth;
hTabAddItem (&iCodehTab, ic->key, ic);
+ hTabAddItem (&iCodeSeqhTab, ic->seq, ic);
}
ebbs[i]->lSeq = iCodeSeq;
}
OP_SYMBOL (op)->name,
ic->filename, ic->lineno);
}
+#if 0 // this will create a segfault: bug #498971
OP_SYMBOL (op)->isspilt = 1;
+#endif
}
}
if (lic->op == CALL || lic->op == PCALL) break;
}
/* found it : mark */
- if (lic) torange = lic->seq;
+ if (lic) torange = lic->prev->seq;
}
/* if this is the last use then if this block belongs
to a loop & some definition comes into the loop
/* if it is live then add the lrange to ic->rlive */
if (lrange->liveFrom <= ic->seq &&
lrange->liveTo >= ic->seq) {
- lrange->isLiveFcall |= (ic->op == CALL || ic->op == PCALL || ic->op == SEND);
+ lrange->isLiveFcall |= ((lrange->liveFrom < ic->seq) &&
+ (ic->op == CALL || ic->op == PCALL || ic->op == SEND));
+ if (ic->op == CALL && lrange->liveFrom == ic->seq) continue;
ic->rlive = bitVectSetBit (ic->rlive, lrange->key);
}
}
+#if 0
/* overlapping live ranges should be eliminated */
if (ASSIGN_ITEMP_TO_ITEMP (ic)) {
if (SPIL_LOC(IC_RIGHT(ic)) == SPIL_LOC(IC_RESULT(ic)) && /* left & right share the same spil location */
SPIL_LOC(IC_RIGHT(ic)) = NULL; /* then cannot share */
}
}
+#endif
}
}
}
iCodeSeq = 0;
setToNull ((void **) &iCodehTab);
iCodehTab = newHashTable (iCodeKey);
+ setToNull ((void **) &iCodeSeqhTab);
+ iCodeSeqhTab = newHashTable (iCodeKey);
sequenceiCode (ebbs, count);
/* call routine to mark the from & to live ranges for