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Operands of unsigned multiply are unsigned.

This commit is contained in:
steve 2003-06-15 18:53:20 +00:00
parent d2188b8f6d
commit 222eaa0f88
1 changed files with 11 additions and 1 deletions
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12
net_expr.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#ifdef HAVE_CVS_IDENT #ifdef HAVE_CVS_IDENT
#ident "$Id: net_expr.cc,v 1.18 2003/05/30 02:55:32 steve Exp $" #ident "$Id: net_expr.cc,v 1.19 2003/06/15 18:53:20 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -199,6 +199,13 @@ NetEBMult::NetEBMult(char op, NetExpr*l, NetExpr*r)
{ {
expr_width(l->expr_width() + r->expr_width()); expr_width(l->expr_width() + r->expr_width());
cast_signed(l->has_sign() && r->has_sign()); cast_signed(l->has_sign() && r->has_sign());
/* If it turns out that this is not a signed expression, then
cast the signedness out of the operands as well. */
if (! has_sign()) {
l->cast_signed(false);
r->cast_signed(false);
}
} }
NetEBMult::~NetEBMult() NetEBMult::~NetEBMult()
@ -484,6 +491,9 @@ NetExpr::TYPE NetESFunc::expr_type() const
/* /*
* $Log: net_expr.cc,v $ * $Log: net_expr.cc,v $
* Revision 1.19 2003/06/15 18:53:20 steve
* Operands of unsigned multiply are unsigned.
*
* Revision 1.18 2003/05/30 02:55:32 steve * Revision 1.18 2003/05/30 02:55:32 steve
* Support parameters in real expressions and * Support parameters in real expressions and
* as real expressions, and fix multiply and * as real expressions, and fix multiply and