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Fix uninitialized counters. 

The count_io method adds its count, so initialize the inout counts
to zero.
This commit is contained in:
Stephen Williams 2009-12-11 11:25:07 -08:00
parent 7403dab028
commit 6225e2f405
1 changed files with 7 additions and 3 deletions
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10
cprop.cc
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@ -189,7 +189,7 @@ void cprop_dc_functor::lpm_const(Design*des, NetConst*obj)
std::vector<nexus_info_s> nexus_info (obj->pin_count()); std::vector<nexus_info_s> nexus_info (obj->pin_count());
for (unsigned idx = 0 ; idx < obj->pin_count() ; idx += 1) { for (unsigned idx = 0 ; idx < obj->pin_count() ; idx += 1) {
nexus_info[idx].nex = obj->pin(idx).nexus(); nexus_info[idx].nex = obj->pin(idx).nexus();
unsigned inputs, outputs; unsigned inputs = 0, outputs = 0;
nexus_info[idx].nex -> count_io(inputs, outputs); nexus_info[idx].nex -> count_io(inputs, outputs);
nexus_info[idx].inp = inputs; nexus_info[idx].inp = inputs;
nexus_info[idx].out = outputs; nexus_info[idx].out = outputs;
@ -277,14 +277,18 @@ void cprop(Design*des)
prop.count = 0; prop.count = 0;
des->functor(&prop); des->functor(&prop);
if (verbose_flag) { if (verbose_flag) {
cout << " cprop: Iteration detected " cout << " ... Iteration detected "
<< prop.count << " optimizations." << endl << flush; << prop.count << " optimizations." << endl << flush;
} }
} while (prop.count > 0); } while (prop.count > 0);
if (verbose_flag) { if (verbose_flag) {
cout << " cprop: Look for dangling constants" << endl << flush; cout << " ... Look for dangling constants" << endl << flush;
} }
cprop_dc_functor dc; cprop_dc_functor dc;
des->functor(&dc); des->functor(&dc);
if (verbose_flag) {
cout << " ... done" << endl << flush;
}
} }