From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: linearize bug? Date: Sat, 11 Nov 2006 23:09:32 -0500 Message-ID: <45569E7C.4030706@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:36542 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1754941AbWKLEJf (ORCPT ); Sat, 11 Nov 2006 23:09:35 -0500 Received: from cpe-065-190-194-075.nc.res.rr.com ([65.190.194.75] helo=[10.10.10.10]) by mail.dvmed.net with esmtpsa (Exim 4.62 #1 (Red Hat Linux)) id 1Gj6ez-0004pT-EX for linux-sparse@vger.kernel.org; Sun, 12 Nov 2006 04:09:33 +0000 Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: linux-sparse@vger.kernel.org Given the following C code: #include int foo(void) { int i; i = 42; i += rand(); return i; } test-linearize seems to give me the following output, which indicates that pseudo %r1 is "dead" immediately before it is used: foo: .L0x2b52beecd010: call.32 %r1 <- rand dead %r1 add.32 %r4 <- %r1, $42 dead %r4 ret.32 %r4 Am I just confused about the meaning of "dead"? :) Jeff