From patchwork Mon Jul 10 12:15:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1805698 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=ET++KSLS; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R036G2Dvvz20bq for ; Mon, 10 Jul 2023 22:22:14 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qIpoN-0000pM-JY; Mon, 10 Jul 2023 08:16:15 -0400 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 1qIpo9-0000k9-OL for qemu-devel@nongnu.org; Mon, 10 Jul 2023 08:16:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qIpo7-0003On-DH for qemu-devel@nongnu.org; Mon, 10 Jul 2023 08:16:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688991358; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=84ObE6Kq3CWtFXtu+MWDfFwsqObGz+Ce2Ytgo5neX7o=; b=ET++KSLShby/2DD58K6j5vtRVMhcbZ54glLXY+FZaOIwiE6zrzrqXyuAyJ2FIIaWYLjikJ 9DF6FTktqNbSR8dDmoUKYEAL6eBloYH3P0xJtaH4KeOVcOb2epRnw8Z02HW33wBVpRbblv /qN7E1D6d0asGkGomgBpva0lupixiR8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-520-9N08pRWoMPae3iXufAMtwg-1; Mon, 10 Jul 2023 08:15:53 -0400 X-MC-Unique: 9N08pRWoMPae3iXufAMtwg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 97DD38FD7A1; Mon, 10 Jul 2023 12:15:51 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.206]) by smtp.corp.redhat.com (Postfix) with ESMTP id 682DBF66B9; Mon, 10 Jul 2023 12:15:50 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Cc: Ilya Leoshkevich , David Hildenbrand , qemu-stable@nongnu.org Subject: [PULL 04/21] target/s390x: Fix MDEB and MDEBR Date: Mon, 10 Jul 2023 14:15:26 +0200 Message-Id: <20230710121543.197250-5-thuth@redhat.com> In-Reply-To: <20230710121543.197250-1-thuth@redhat.com> References: <20230710121543.197250-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Ilya Leoshkevich These instructions multiply 32 bits by 32 bits, not 32 bits by 64 bits. Fixes: 83b00736f3d8 ("target-s390: Convert FP MULTIPLY") Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand Cc: qemu-stable@nongnu.org Message-Id: <20230704081506.276055-4-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- target/s390x/tcg/insn-data.h.inc | 4 ++-- target/s390x/tcg/fpu_helper.c | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc index 0a45dbbcda..457ed25d2f 100644 --- a/target/s390x/tcg/insn-data.h.inc +++ b/target/s390x/tcg/insn-data.h.inc @@ -667,11 +667,11 @@ F(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0, IF_BFP) F(0xb31c, MDBR, RRE, Z, f1, f2, new, f1, mdb, 0, IF_BFP) F(0xb34c, MXBR, RRE, Z, x1, x2, new_x, x1, mxb, 0, IF_BFP) - F(0xb30c, MDEBR, RRE, Z, f1, e2, new, f1, mdeb, 0, IF_BFP) + F(0xb30c, MDEBR, RRE, Z, e1, e2, new, f1, mdeb, 0, IF_BFP) F(0xb307, MXDBR, RRE, Z, f1, f2, new_x, x1, mxdb, 0, IF_BFP) F(0xed17, MEEB, RXE, Z, e1, m2_32u, new, e1, meeb, 0, IF_BFP) F(0xed1c, MDB, RXE, Z, f1, m2_64, new, f1, mdb, 0, IF_BFP) - F(0xed0c, MDEB, RXE, Z, f1, m2_32u, new, f1, mdeb, 0, IF_BFP) + F(0xed0c, MDEB, RXE, Z, e1, m2_32u, new, f1, mdeb, 0, IF_BFP) F(0xed07, MXDB, RXE, Z, f1, m2_64, new_x, x1, mxdb, 0, IF_BFP) /* MULTIPLY HALFWORD */ C(0x4c00, MH, RX_a, Z, r1_o, m2_16s, new, r1_32, mul, 0) diff --git a/target/s390x/tcg/fpu_helper.c b/target/s390x/tcg/fpu_helper.c index 57e5829283..4b7fa58af3 100644 --- a/target/s390x/tcg/fpu_helper.c +++ b/target/s390x/tcg/fpu_helper.c @@ -306,8 +306,9 @@ uint64_t HELPER(mdb)(CPUS390XState *env, uint64_t f1, uint64_t f2) /* 64/32-bit FP multiplication */ uint64_t HELPER(mdeb)(CPUS390XState *env, uint64_t f1, uint64_t f2) { + float64 f1_64 = float32_to_float64(f1, &env->fpu_status); float64 ret = float32_to_float64(f2, &env->fpu_status); - ret = float64_mul(f1, ret, &env->fpu_status); + ret = float64_mul(f1_64, ret, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; }