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More robust test for concat constant-ness.

This commit is contained in:
steve 2006-02-07 22:46:23 +00:00
parent 782542922d
commit 3ea1214160
1 changed files with 6 additions and 1 deletions
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7
PExpr.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: PExpr.cc,v 1.35 2004/10/04 01:10:51 steve Exp $" #ident "$Id: PExpr.cc,v 1.35.2.1 2006/02/07 22:46:23 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -90,6 +90,8 @@ bool PEConcat::is_constant(Module *mod) const
{ {
bool constant = repeat_? repeat_->is_constant(mod) : true; bool constant = repeat_? repeat_->is_constant(mod) : true;
for (unsigned i = 0; constant && i < parms_.count(); ++i) { for (unsigned i = 0; constant && i < parms_.count(); ++i) {
if (parms_[i] == 0)
continue;
constant = constant && parms_[i]->is_constant(mod); constant = constant && parms_[i]->is_constant(mod);
} }
return constant; return constant;
@ -262,6 +264,9 @@ bool PEUnary::is_constant(Module*m) const
/* /*
* $Log: PExpr.cc,v $ * $Log: PExpr.cc,v $
* Revision 1.35.2.1 2006/02/07 22:46:23 steve
* More robust test for concat constant-ness.
*
* Revision 1.35 2004/10/04 01:10:51 steve * Revision 1.35 2004/10/04 01:10:51 steve
* Clean up spurious trailing white space. * Clean up spurious trailing white space.
* *