From patchwork Mon Nov 18 10:07:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 11249249 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 48E7B14C0 for ; Mon, 18 Nov 2019 10:07:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2786F20748 for ; Mon, 18 Nov 2019 10:07:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="C8s91vIo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726578AbfKRKHv (ORCPT ); Mon, 18 Nov 2019 05:07:51 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:29534 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726490AbfKRKHv (ORCPT ); Mon, 18 Nov 2019 05:07:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574071670; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ycY2H6t9OzJIOigDNMwvvZn5InpDjzanbHdcM8sdl9k=; b=C8s91vIo0nFh2UHdFzBQ1lHsDUFjMVs4Wodc2kxpX3DUDc9/S9MqB4jJkBg3d+YBSbCS2/ qolztN2fev/FDQS3WNHT0kNPaZ5JQO1KAv9IZGEUunRQJNgqoT/awY+R5dGo9x7W9NVCKt apo4uVo/jzq9wH3uYYdP+JFJZJumBAk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-228-FYiHeIxqMvSai-K4wDRg5g-1; Mon, 18 Nov 2019 05:07:46 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5E2FD107ACE4; Mon, 18 Nov 2019 10:07:45 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id AF65C75E30; Mon, 18 Nov 2019 10:07:32 +0000 (UTC) From: David Hildenbrand To: kvm@vger.kernel.org Cc: Paolo Bonzini , =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= , Thomas Huth , Christian Borntraeger , Cornelia Huck , Janosch Frank , David Hildenbrand Subject: [kvm-unit-tests PULL 01/12] s390x: Use loop to save and restore fprs Date: Mon, 18 Nov 2019 11:07:08 +0100 Message-Id: <20191118100719.7968-2-david@redhat.com> In-Reply-To: <20191118100719.7968-1-david@redhat.com> References: <20191118100719.7968-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: FYiHeIxqMvSai-K4wDRg5g-1 X-Mimecast-Spam-Score: 0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Janosch Frank Let's save some lines in the assembly by using a loop to save and restore the fprs. Tested-by: Thomas Huth Signed-off-by: Janosch Frank Message-Id: <20191104085533.2892-1-frankja@linux.ibm.com> Signed-off-by: David Hildenbrand --- s390x/cstart64.S | 38 ++++++-------------------------------- 1 file changed, 6 insertions(+), 32 deletions(-) diff --git a/s390x/cstart64.S b/s390x/cstart64.S index 5dc1577..8e2b21e 100644 --- a/s390x/cstart64.S +++ b/s390x/cstart64.S @@ -99,44 +99,18 @@ memsetxc: lctlg %c0, %c0, 0(%r1) /* save fprs 0-15 + fpc */ la %r1, GEN_LC_SW_INT_FPRS - std %f0, 0(%r1) - std %f1, 8(%r1) - std %f2, 16(%r1) - std %f3, 24(%r1) - std %f4, 32(%r1) - std %f5, 40(%r1) - std %f6, 48(%r1) - std %f7, 56(%r1) - std %f8, 64(%r1) - std %f9, 72(%r1) - std %f10, 80(%r1) - std %f11, 88(%r1) - std %f12, 96(%r1) - std %f13, 104(%r1) - std %f14, 112(%r1) - std %f15, 120(%r1) + .irp i, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + std \i, \i * 8(%r1) + .endr stfpc GEN_LC_SW_INT_FPC .endm .macro RESTORE_REGS /* restore fprs 0-15 + fpc */ la %r1, GEN_LC_SW_INT_FPRS - ld %f0, 0(%r1) - ld %f1, 8(%r1) - ld %f2, 16(%r1) - ld %f3, 24(%r1) - ld %f4, 32(%r1) - ld %f5, 40(%r1) - ld %f6, 48(%r1) - ld %f7, 56(%r1) - ld %f8, 64(%r1) - ld %f9, 72(%r1) - ld %f10, 80(%r1) - ld %f11, 88(%r1) - ld %f12, 96(%r1) - ld %f13, 104(%r1) - ld %f14, 112(%r1) - ld %f15, 120(%r1) + .irp i, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + ld \i, \i * 8(%r1) + .endr lfpc GEN_LC_SW_INT_FPC /* restore cr0 */ lctlg %c0, %c0, GEN_LC_SW_INT_CR0