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Only set the multiply width if it is greater than zero and vectorable 

We only need to set the width of a multiple if the width is greater
than zero and if the expression is vectorable. This matches what is
done for addition.
This commit is contained in:
Cary R 2010-07-06 14:30:26 -07:00 committed by Stephen Williams
parent ed29161614
commit 4dcebe4024
1 changed files with 2 additions and 2 deletions
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4
elab_expr.cc
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@ -794,7 +794,7 @@ NetExpr* PEBinary::elaborate_expr_base_mult_(Design*des,
NetEBMult*tmp = new NetEBMult(op_, lp, rp); NetEBMult*tmp = new NetEBMult(op_, lp, rp);
tmp->set_line(*this); tmp->set_line(*this);
if (expr_wid > 0) if (expr_wid > 0 && type_is_vectorable(tmp->expr_type()))
tmp->set_width(expr_wid, false); tmp->set_width(expr_wid, false);
return tmp; return tmp;
@ -816,7 +816,7 @@ NetExpr* PEBinary::elaborate_expr_base_add_(Design*des,
use_lossless_flag = false; use_lossless_flag = false;
// If the expression is unsigned, then force the operands to // If the expression is unsigned, then force the operands to
// unsigned so taht the set_width below doesn't cause them to // unsigned so that the set_width below doesn't cause them to
// be sign-extended. // be sign-extended.
if (! is_pexpr) if (! is_pexpr)
suppress_binary_operand_sign_if_needed(lp, rp); suppress_binary_operand_sign_if_needed(lp, rp);