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Fixed handling of parameters with reversed range

This commit is contained in:
Clifford Wolf 2015-06-08 14:03:06 +02:00
parent 08f9b38a9c
commit 13983e8318
1 changed files with 1 additions and 1 deletions
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2
frontends/ast/simplify.cc
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@ -678,7 +678,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
if (children.size() > 1 && children[1]->type == AST_RANGE) {
if (!children[1]->range_valid)
log_error("Non-constant width range on parameter decl at %s:%d.\n", filename.c_str(), linenum);
int width = children[1]->range_left - children[1]->range_right + 1;
int width = std::abs(children[1]->range_left - children[1]->range_right) + 1;
if (children[0]->type == AST_REALVALUE) {
RTLIL::Const constvalue = children[0]->realAsConst(width);
log_warning("converting real value %e to binary %s at %s:%d.\n",