From nobody Fri Apr 4 03:50:00 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=eik.bme.hu Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1740674546175650.0382975999476; Thu, 27 Feb 2025 08:42:26 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tngvm-0007xD-IZ; Thu, 27 Feb 2025 11:40:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tngvF-0007gH-0Z; Thu, 27 Feb 2025 11:39:42 -0500 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tnguz-0006HP-Ei; Thu, 27 Feb 2025 11:39:40 -0500 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 652324E6180; Thu, 27 Feb 2025 17:39:20 +0100 (CET) Received: from zero.eik.bme.hu ([127.0.0.1]) by zero.eik.bme.hu (zero.eik.bme.hu [127.0.0.1]) (amavisd-new, port 10028) with ESMTP id JNzQWidwlWNU; Thu, 27 Feb 2025 17:39:15 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 22F1D4E6032; Thu, 27 Feb 2025 17:39:15 +0100 (CET) X-Virus-Scanned: amavisd-new at eik.bme.hu Message-Id: <446bf740cbb99422be2cc5a31e51a1034eddded7.1740673173.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v2 1/5] ppc/amigaone: Simplify replacement dummy_fw To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin Date: Thu, 27 Feb 2025 17:39:15 +0100 (CET) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1740674547560019100 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" There's no need to do shift in a loop, doing it in one instruction works just as well, only the result is used. Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin --- hw/ppc/amigaone.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/hw/ppc/amigaone.c b/hw/ppc/amigaone.c index b02792221c..4290d58613 100644 --- a/hw/ppc/amigaone.c +++ b/hw/ppc/amigaone.c @@ -41,10 +41,7 @@ =20 /* AmigaOS calls this routine from ROM, use this if no firmware loaded */ static const char dummy_fw[] =3D { - 0x38, 0x00, 0x00, 0x08, /* li r0,8 */ - 0x7c, 0x09, 0x03, 0xa6, /* mtctr r0 */ - 0x54, 0x63, 0xf8, 0x7e, /* srwi r3,r3,1 */ - 0x42, 0x00, 0xff, 0xfc, /* bdnz 0x8 */ + 0x54, 0x63, 0xc2, 0x3e, /* srwi r3,r3,8 */ 0x7c, 0x63, 0x18, 0xf8, /* not r3,r3 */ 0x4e, 0x80, 0x00, 0x20, /* blr */ }; --=20 2.30.9