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Report errors when XNF code has constant X values. (PR#128)

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steve 2001-02-10 03:22:49 +00:00
parent 563065053e
commit ac629b313c
1 changed files with 23 additions and 8 deletions
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31
t-xnf.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
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-xnf.cc,v 1.39 2000/11/29 23:15:54 steve Exp $" #ident "$Id: t-xnf.cc,v 1.40 2001/02/10 03:22:49 steve Exp $"
#endif #endif
/* XNF BACKEND /* XNF BACKEND
@ -771,19 +771,31 @@ void target_xnf::lpm_ram_dq(const NetRamDq*ram)
bool target_xnf::net_const(const NetConst*c) bool target_xnf::net_const(const NetConst*c)
{ {
unsigned x_bits = 0;
for (unsigned idx = 0 ; idx < c->pin_count() ; idx += 1) { for (unsigned idx = 0 ; idx < c->pin_count() ; idx += 1) {
verinum::V v=c->value(idx); verinum::V v=c->value(idx);
assert(v==verinum::V0 || v==verinum::V1);
const Link& lnk = c->pin(idx); const Link& lnk = c->pin(idx);
// Code parallels draw_pin above, some smart c++ guru should
// find a way to make a method out of this.
unsigned cpin;
const NetObj*cur;
out_ << " PWR, " << v << ", " << choose_sig_name(&lnk) << endl; switch (v) {
case verinum::V0:
out_ << " PWR, 0, " << choose_sig_name(&lnk) << endl;
break;
case verinum::V1:
out_ << " PWR, 1, " << choose_sig_name(&lnk) << endl;
break;
case verinum::Vz:
break;
default:
x_bits += 1;
if (x_bits == 1)
cerr << "xnf: error: Unknown (x) const bit value"
<< " assigned to " << choose_sig_name(&lnk)
<< endl;
break;
}
} }
return true; return x_bits == 0;
} }
/* /*
@ -910,6 +922,9 @@ extern const struct target tgt_xnf = { "xnf", &target_xnf_obj };
/* /*
* $Log: t-xnf.cc,v $ * $Log: t-xnf.cc,v $
* Revision 1.40 2001/02/10 03:22:49 steve
* Report errors when XNF code has constant X values. (PR#128)
*
* Revision 1.39 2000/11/29 23:15:54 steve * Revision 1.39 2000/11/29 23:15:54 steve
* More informative BUFZ warning. * More informative BUFZ warning.
* *