From patchwork Thu Jun 6 18:05:43 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 249514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id CEE612C0095 for ; Fri, 7 Jun 2013 04:06:43 +1000 (EST) Received: from localhost ([::1]:47327 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ukea9-0001f7-P8 for incoming@patchwork.ozlabs.org; Thu, 06 Jun 2013 14:06:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34537) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UkeZY-0001eq-Lx for qemu-devel@nongnu.org; Thu, 06 Jun 2013 14:06:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UkeZT-0000y4-Kq for qemu-devel@nongnu.org; Thu, 06 Jun 2013 14:06:04 -0400 Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]:47907) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UkeZT-0000xs-Cs for qemu-devel@nongnu.org; Thu, 06 Jun 2013 14:05:59 -0400 Received: by mail-pa0-f46.google.com with SMTP id fa11so1911361pad.5 for ; Thu, 06 Jun 2013 11:05:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=M48l41QFomfTq/IekbskkvAxzTIQSNtHpM2QvcDlNoQ=; b=Nq9BCXQMYwqUI+4RpotPe5JBljHgKhYn0nrz6uq82XmY/waozCXJf6EQHTAdUv0A7U IlnY0khCV4E8haeEx3Ay7rGZG3w3yHpbuPETB2eyi3jE51GWDerekRZGDeyCb7eJAQX8 eAZ3n22Y+macYqkhq8gtCTAR+MNjhP6Q2+LMUMLavXiZw5ohJU8/7l2T0gb1yodpsnHj NdxqEoP2J3TAz9SjoXxDabzu6U594VHnFy0TBjYBPgBrukZTtWjvW5z72UL9OXUK+pf3 hexbSvFX+8FKd/Ur5LPYi1Q9pwFyTm6ALKrdJGXD0Y746HZqZuQ1BrD+C9CXifURyxi9 sR2Q== X-Received: by 10.66.232.69 with SMTP id tm5mr40361021pac.120.1370541958365; Thu, 06 Jun 2013 11:05:58 -0700 (PDT) Received: from fremont.twiddle.net (50-194-63-110-static.hfc.comcastbusiness.net. [50.194.63.110]) by mx.google.com with ESMTPSA id al2sm73773782pbc.25.2013.06.06.11.05.56 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 06 Jun 2013 11:05:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 6 Jun 2013 11:05:43 -0700 Message-Id: <1370541947-909-2-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1370541947-909-1-git-send-email-rth@twiddle.net> References: <1370541947-909-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400e:c03::22e Cc: aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 1/5] tcg: Allow non-constant control macros 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 This allows TCG_TARGET_HAS_* to be a variable rather than a constant, which allows easier support for differing ISA levels for the host. Signed-off-by: Richard Henderson --- tcg/tcg-opc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h index 4246e9c..db5e6e5 100644 --- a/tcg/tcg-opc.h +++ b/tcg/tcg-opc.h @@ -40,7 +40,7 @@ DEF(set_label, 0, 0, 1, TCG_OPF_BB_END) DEF(call, 0, 1, 2, TCG_OPF_CALL_CLOBBER) /* variable number of parameters */ DEF(br, 0, 0, 1, TCG_OPF_BB_END) -#define IMPL(X) (X ? 0 : TCG_OPF_NOT_PRESENT) +#define IMPL(X) (__builtin_constant_p(X) && !(X) ? TCG_OPF_NOT_PRESENT : 0) #if TCG_TARGET_REG_BITS == 32 # define IMPL64 TCG_OPF_64BIT | TCG_OPF_NOT_PRESENT #else