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Corrected an error caused by the modifications to the DRC engine 

to copy up errors from non-interacting subcells.  The routine was
only copying up TT_ERROR_P type errors, but for deep hierarchies,
TT_ERROR_S type errors may have to be propagated up as well.
This commit is contained in:
Tim Edwards 2021-08-20 21:49:27 -04:00
parent 597ef4857a
commit 56d1d9380e
2 changed files with 7 additions and 3 deletions
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2
VERSION
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@ -1 +1 @@
8.3.196
8.3.197

8
drc/DRCsubcell.c
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@ -166,7 +166,7 @@ drcSubCopyErrors(tile, cxp)
*
* This routine is applied for each subcell of a parent def. It calls
* DBNoTreeSrTiles() with the above routine drcSubCopyErrors(), which
* copies all TT_ERROR_P tiles from the child cell up into the parent.
* copies all error tiles from the child cell up into the parent.
* This is used only within areas found to be non-interacting with the
* parent, such that any error found in the child cell is guaranteed to
* be a real error, and not one that might be resolved by additional
@ -174,6 +174,8 @@ drcSubCopyErrors(tile, cxp)
*
* Added 11/10/2020: Moved drcArrayFunc() here; this limits the array
* checks to non-interaction areas in the parent cell.
* 8/20/2021: Realized that TT_ERROR_S and (maybe?) TT_ERROR_PS tiles
* are also error types that must be copied up.
*
* Returns:
* Whatever DBNoTreeSrTiles() returns.
@ -188,9 +190,11 @@ drcSubCopyFunc(scx, cdarg)
{
TileTypeBitMask drcMask;
/* Create a mask with only TT_ERROR_P in it */
/* Create a mask with all of the DRC error types in it */
TTMaskZero(&drcMask);
TTMaskSetType(&drcMask, TT_ERROR_P);
TTMaskSetType(&drcMask, TT_ERROR_S);
TTMaskSetType(&drcMask, TT_ERROR_PS);
/* Use DBNoTreeSrTiles() because we want to search only one level down */
return DBNoTreeSrTiles(scx, &drcMask, 0, drcSubCopyErrors, cdarg);