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pad_to_width handles signed expressions.

This commit is contained in:
steve 2005-12-22 15:43:47 +00:00
parent e9bf00dff6
commit df226c5d13
1 changed files with 8 additions and 13 deletions
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21
pad_to_width.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: pad_to_width.cc,v 1.19 2005/07/07 16:22:49 steve Exp $"
#ident "$Id: pad_to_width.cc,v 1.20 2005/12/22 15:43:47 steve Exp $"
#endif
# include "config.h"
@ -56,18 +56,10 @@ NetExpr*pad_to_width(NetExpr*expr, unsigned wid)
return tmp;
}
/* Do it the hard way, with a concatenation. */
verinum pad(verinum::V0, wid - expr->expr_width());
NetEConst*co = new NetEConst(pad);
co->set_line(*expr);
NetEConcat*cc = new NetEConcat(2);
cc->set_line(*expr);
cc->set(0, co);
cc->set(1, expr);
cc->set_width(wid);
expr = cc;
return expr;
NetESelect*tmp = new NetESelect(expr, 0, wid);
tmp->set_line(*expr);
tmp->cast_signed(expr->has_sign());
return tmp;
}
/*
@ -159,6 +151,9 @@ NetNet*crop_to_width(Design*des, NetNet*net, unsigned wid)
/*
* $Log: pad_to_width.cc,v $
* Revision 1.20 2005/12/22 15:43:47 steve
* pad_to_width handles signed expressions.
*
* Revision 1.19 2005/07/07 16:22:49 steve
* Generalize signals to carry types.
*