Re: Destructive comparison

[Jim Wilson]

On Mon, 2009-05-18 at 19:58 +1200, Michael Hope wrote:
>   (set (match_operand:SI 3 "register_operand" "=1")
>       (not:SI (xor:SI (match_dup 1) (match_dup 2))))]

not xor is aka xnor.  You probably want this without the two "not"
operations.

Jim