From patchwork Tue Oct 9 19:56:06 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 190453 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id A76F62C0091 for ; Wed, 10 Oct 2012 08:16:14 +1100 (EST) Received: from localhost ([::1]:46517 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TLfve-00018Y-Ap for incoming@patchwork.ozlabs.org; Tue, 09 Oct 2012 15:57:22 -0400 Received: from eggs.gnu.org ([208.118.235.92]:39484) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TLfut-0008DB-FS for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:56:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TLfuo-0004X1-Gg for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:56:35 -0400 Received: from hall.aurel32.net ([88.191.126.93]:55985) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TLfuo-0004VH-9R for qemu-devel@nongnu.org; Tue, 09 Oct 2012 15:56:30 -0400 Received: from watt.aurel32.net ([82.228.202.134] helo=ohm.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1TLful-0005JX-IJ; Tue, 09 Oct 2012 21:56:28 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.80) (envelope-from ) id 1TLfuj-00059f-Mv; Tue, 09 Oct 2012 21:56:25 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Tue, 9 Oct 2012 21:56:06 +0200 Message-Id: <1349812584-19551-9-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1349812584-19551-1-git-send-email-aurelien@aurel32.net> References: <1349812584-19551-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 88.191.126.93 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH v2 08/26] tcg: always mark dead input arguments as dead X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Always mark dead input arguments as dead, even if the op is at the basic block end. This will allow to check that all temps are correctly saved. Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno --- tcg/tcg.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index e320022..5b99281 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1827,16 +1827,16 @@ static void tcg_reg_alloc_op(TCGContext *s, iarg_end: ; } + /* mark dead temporaries and free the associated registers */ + for (i = nb_oargs; i < nb_oargs + nb_iargs; i++) { + if (IS_DEAD_ARG(i)) { + temp_dead(s, args[i]); + } + } + if (def->flags & TCG_OPF_BB_END) { tcg_reg_alloc_bb_end(s, allocated_regs); } else { - /* mark dead temporaries and free the associated registers */ - for(i = nb_oargs; i < nb_oargs + nb_iargs; i++) { - if (IS_DEAD_ARG(i)) { - temp_dead(s, args[i]); - } - } - if (def->flags & TCG_OPF_CALL_CLOBBER) { /* XXX: permit generic clobber register list ? */ for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) {