return nFreeRegs (type);
}
-
-/*-----------------------------------------------------------------*/
-/* allDefsOutOfRange - all definitions are out of a range */
-/*-----------------------------------------------------------------*/
-static bool
-allDefsOutOfRange (bitVect * defs, int fseq, int toseq)
-{
- int i;
-
- if (!defs)
- return TRUE;
-
- for (i = 0; i < defs->size; i++) {
- iCode *ic;
-
- if (bitVectBitValue (defs, i) &&
- (ic = hTabItemWithKey (iCodehTab, i)) &&
- (ic->seq >= fseq && ic->seq <= toseq))
-
- return FALSE;
- }
-
- return TRUE;
-}
-
/*-----------------------------------------------------------------*/
/* computeSpillable - given a point find the spillable live ranges */
/*-----------------------------------------------------------------*/
return sym->remat;
}
-/*-----------------------------------------------------------------*/
-/* notUsedInBlock - not used in this block */
-/*-----------------------------------------------------------------*/
-static int
-notUsedInBlock (symbol * sym, eBBlock * ebp, iCode * ic)
-{
- return (!bitVectBitsInCommon (sym->defs, ebp->usesDefs) &&
- allDefsOutOfRange (sym->defs, ebp->fSeq, ebp->lSeq));
-}
-
/*-----------------------------------------------------------------*/
/* notUsedInRemaining - not used or defined in remain of the block */
/*-----------------------------------------------------------------*/
reg->isFree = 0;
}
-/*-----------------------------------------------------------------*/
-/* allDefsOutOfRange - all definitions are out of a range */
-/*-----------------------------------------------------------------*/
-static bool
-allDefsOutOfRange (bitVect * defs, int fseq, int toseq)
-{
- int i;
-
- if (!defs)
- return TRUE;
-
- for (i = 0; i < defs->size; i++)
- {
- iCode *ic;
-
- if (bitVectBitValue (defs, i) &&
- (ic = hTabItemWithKey (iCodehTab, i)) &&
- (ic->seq >= fseq && ic->seq <= toseq))
-
- return FALSE;
-
- }
-
- return TRUE;
-}
-
/*-----------------------------------------------------------------*/
/* computeSpillable - given a point find the spillable live ranges */
/*-----------------------------------------------------------------*/
return sym->remat;
}
-/*-----------------------------------------------------------------*/
-/* notUsedInBlock - not used in this block */
-/*-----------------------------------------------------------------*/
-static int
-notUsedInBlock (symbol * sym, eBBlock * ebp, iCode * ic)
-{
- return (!bitVectBitsInCommon (sym->defs, ebp->usesDefs) &&
- allDefsOutOfRange (sym->defs, ebp->fSeq, ebp->lSeq));
-/* return (!bitVectBitsInCommon(sym->defs,ebp->usesDefs)); */
-}
-
/*-----------------------------------------------------------------*/
/* notUsedInRemaining - not used or defined in remain of the block */
/*-----------------------------------------------------------------*/
return nFreeRegs (type);
}
-
-/*-----------------------------------------------------------------*/
-/* allDefsOutOfRange - all definitions are out of a range */
-/*-----------------------------------------------------------------*/
-static bool
-allDefsOutOfRange (bitVect * defs, int fseq, int toseq)
-{
- int i;
-
- debugLog ("%s\n", __FUNCTION__);
- if (!defs)
- return TRUE;
-
- for (i = 0; i < defs->size; i++)
- {
- iCode *ic;
-
- if (bitVectBitValue (defs, i) &&
- (ic = hTabItemWithKey (iCodehTab, i)) &&
- (ic->seq >= fseq && ic->seq <= toseq))
-
- return FALSE;
-
- }
-
- return TRUE;
-}
-
/*-----------------------------------------------------------------*/
/* computeSpillable - given a point find the spillable live ranges */
/*-----------------------------------------------------------------*/
return sym->remat;
}
-/*-----------------------------------------------------------------*/
-/* notUsedInBlock - not used in this block */
-/*-----------------------------------------------------------------*/
-static int
-notUsedInBlock (symbol * sym, eBBlock * ebp, iCode * ic)
-{
- debugLog ("%s\n", __FUNCTION__);
- return (!bitVectBitsInCommon (sym->defs, ebp->usesDefs) &&
- allDefsOutOfRange (sym->defs, ebp->fSeq, ebp->lSeq));
-/* return (!bitVectBitsInCommon(sym->defs,ebp->usesDefs)); */
-}
-
/*-----------------------------------------------------------------*/
/* notUsedInRemaining - not used or defined in remain of the block */
/*-----------------------------------------------------------------*/
}
}
-/*-----------------------------------------------------------------*/
-/* allDefsOutOfRange - all definitions are out of a range */
-/*-----------------------------------------------------------------*/
-static bool allDefsOutOfRange (bitVect * defs, int fseq, int toseq) {
- int i;
-
- if (!defs)
- return TRUE;
-
- for (i = 0; i < defs->size; i++)
- {
- iCode *ic;
-
- if (bitVectBitValue (defs, i) &&
- (ic = hTabItemWithKey (iCodehTab, i)) &&
- (ic->seq >= fseq && ic->seq <= toseq))
- return FALSE;
- }
- return TRUE;
-}
-
/*-----------------------------------------------------------------*/
/* computeSpillable - given a point find the spillable live ranges */
/*-----------------------------------------------------------------*/
return sym->remat;
}
-/*-----------------------------------------------------------------*/
-/* notUsedInBlock - not used in this block */
-/*-----------------------------------------------------------------*/
-static int
-notUsedInBlock (symbol * sym, eBBlock * ebp, iCode * ic)
-{
- return (!bitVectBitsInCommon (sym->defs, ebp->usesDefs) &&
- allDefsOutOfRange (sym->defs, ebp->fSeq, ebp->lSeq));
- /* return (!bitVectBitsInCommon(sym->defs,ebp->usesDefs)); */
-}
-
/*-----------------------------------------------------------------*/
/* notUsedInRemaining - not used or defined in remain of the block */
/*-----------------------------------------------------------------*/
reg->isFree = 0;
}
-#if 0
-/*-----------------------------------------------------------------*/
-/* allDefsOutOfRange - all definitions are out of a range */
-/*-----------------------------------------------------------------*/
-static bool
-allDefsOutOfRange (bitVect * defs, int fseq, int toseq)
-{
- int i;
-
- if (!defs)
- return TRUE;
-
- for (i = 0; i < defs->size; i++)
- {
- iCode *ic;
-
- if (bitVectBitValue (defs, i) &&
- (ic = hTabItemWithKey (iCodehTab, i)) &&
- (ic->seq >= fseq && ic->seq <= toseq))
-
- return FALSE;
-
- }
-
- return TRUE;
-}
-#endif
-
/*-----------------------------------------------------------------*/
/* computeSpillable - given a point find the spillable live ranges */
/*-----------------------------------------------------------------*/
return ((sym->usl.spillLoc && !sym->uptr) ? 1 : 0);
}
-/*-----------------------------------------------------------------*/
-/* notUsedInBlock - not used in this block */
-/*-----------------------------------------------------------------*/
-static int
-notUsedInBlock (symbol * sym, eBBlock * ebp, iCode * ic)
-{
- return (!bitVectBitsInCommon (sym->defs, ebp->usesDefs) &&
- allDefsOutOfRange (sym->defs, ebp->fSeq, ebp->lSeq));
-/* return (!bitVectBitsInCommon(sym->defs,ebp->usesDefs)); */
-}
-
/*-----------------------------------------------------------------*/
/* notUsedInRemaining - not used or defined in remain of the block */
/*-----------------------------------------------------------------*/