Modified lefWrite to ensure maximum spacing per all widespacing rules

for any gap between a pin touching the cell boundary and the internal
obstruction layer.
This commit is contained in:
Tim Edwards 2020-03-25 11:07:54 -04:00
parent 6bae7c25c4
commit 195e096d64
2 changed files with 28 additions and 7 deletions

View File

@ -1 +1 @@
8.2.202
8.2.203

View File

@ -1103,10 +1103,14 @@ lefWriteMacro(def, f, scale, hide)
for (thislll = lll; thislll; thislll = thislll->lll_next)
{
int lspacex, lspacey, lwidth;
int lspacex, lspacey, lwidth, mspace;
lab = thislll->lll_label;
mspace = DRCGetDefaultWideLayerSpacing(lab->lab_type, 1E6);
if (mspace == 0)
mspace = DRCGetDefaultLayerSpacing(lab->lab_type, lab->lab_type);
/* Look for wide spacing rules. If there are no wide spacing */
/* rules, then fall back on the default spacing rule. */
lwidth = thislll->lll_area.r_xtop - thislll->lll_area.r_xbot;
@ -1118,12 +1122,29 @@ lefWriteMacro(def, f, scale, hide)
if (lspacey == 0)
lspacey = DRCGetDefaultLayerSpacing(lab->lab_type, lab->lab_type);
thislll->lll_area.r_xbot -= lspacex;
thislll->lll_area.r_ybot -= lspacey;
thislll->lll_area.r_xtop += lspacex;
thislll->lll_area.r_ytop += lspacey;
DBErase(lc.lefYank, &thislll->lll_area, lab->lab_type);
/* Is the label touching the boundary? If so, then use the */
/* maximum space from the inside edge. */
if (thislll->lll_area.r_xtop >= boundary.r_xtop)
thislll->lll_area.r_xbot -= mspace;
else
thislll->lll_area.r_xbot -= lspacex;
if (thislll->lll_area.r_ytop >= boundary.r_ytop)
thislll->lll_area.r_ybot -= mspace;
else
thislll->lll_area.r_ybot -= lspacey;
if (thislll->lll_area.r_xbot <= boundary.r_xbot)
thislll->lll_area.r_xtop += mspace;
else
thislll->lll_area.r_xtop += lspacex;
if (thislll->lll_area.r_ybot <= boundary.r_ybot)
thislll->lll_area.r_ytop += mspace;
else
thislll->lll_area.r_ytop += lspacey;
DBErase(lc.lefYank, &thislll->lll_area, lab->lab_type);
freeMagic(thislll);
}
}