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Evaluate > and < in constant expressions.

This commit is contained in:
steve 2003-03-26 06:16:18 +00:00
parent 38ebbd23c7
commit 71bd810531
1 changed files with 24 additions and 1 deletions
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25
eval.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: eval.cc,v 1.33 2003/03/10 23:40:53 steve Exp $"
#ident "$Id: eval.cc,v 1.34 2003/03/26 06:16:18 steve Exp $"
#endif
# include "config.h"
@ -95,6 +95,26 @@ verinum* PEBinary::eval_const(const Design*des, const NetScope*scope) const
}
break;
}
case '>': {
if (l->is_defined() && r->is_defined()) {
long lv = l->as_long();
long rv = r->as_long();
res = new verinum(lv > rv, l->len());
} else {
res = new verinum(verinum::Vx, l->len());
}
break;
}
case '<': {
if (l->is_defined() && r->is_defined()) {
long lv = l->as_long();
long rv = r->as_long();
res = new verinum(lv < rv, l->len());
} else {
res = new verinum(verinum::Vx, l->len());
}
break;
}
case 'l': { // left shift (<<)
assert(r->is_defined());
unsigned long rv = r->as_ulong();
@ -227,6 +247,9 @@ verinum* PEUnary::eval_const(const Design*des, const NetScope*scope) const
/*
* $Log: eval.cc,v $
* Revision 1.34 2003/03/26 06:16:18 steve
* Evaluate > and < in constant expressions.
*
* Revision 1.33 2003/03/10 23:40:53 steve
* Keep parameter constants for the ivl_target API.
*