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Fix signed/unsigned warnings 

Fixed some signed/unsigned warnings, including one that caused an
actual runtime error if not dealt with safely.

Signed-off-by: Stephen Williams <steve@icarus.com>
This commit is contained in:
Stephen Williams 2007-10-09 21:19:38 -07:00
parent 1086c480af
commit a0b1272a62
1 changed files with 2 additions and 2 deletions
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4
elab_expr.cc
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@ -406,7 +406,7 @@ NetExpr* PECallFunction::elaborate_sfunc_(Design*des, NetScope*scope, int expr_w
NetExpr*sub = expr->elaborate_expr(des, scope, -1, true);
sub->cast_signed(false);
if (expr_wid > sub->expr_width())
if (expr_wid > 0 && (unsigned)expr_wid > sub->expr_width())
sub = pad_to_width(sub, expr_wid);
return sub;
@ -1264,7 +1264,7 @@ NetExpr* PEIdent::elaborate_expr_net_word_(Design*des, NetScope*scope,
// Recalculate the constant address with the adjusted base.
unsigned use_addr = net->array_index_to_address(addr);
if (use_addr != addr) {
if (addr < 0 || use_addr != (unsigned long)addr) {
verinum val (use_addr, 8*sizeof(use_addr));
NetEConst*tmp = new NetEConst(val);
tmp->set_line(*this);