From patchwork Fri Sep 6 05:15:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 13793250 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0D6C7CD5BDD for ; Fri, 6 Sep 2024 05:18:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smRLg-0004hw-3N; Fri, 06 Sep 2024 01:17:32 -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 1smRL0-0003tm-6r; Fri, 06 Sep 2024 01:16:53 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smRKy-0007jO-2f; Fri, 06 Sep 2024 01:16:49 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 446C18C116; Fri, 6 Sep 2024 08:15:16 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id E553913335C; Fri, 6 Sep 2024 08:16:33 +0300 (MSK) Received: (nullmailer pid 10390 invoked by uid 1000); Fri, 06 Sep 2024 05:16:33 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Daniyal Khan , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , =?utf-8?q?Alex_Benn=C3=A9e?= , Peter Maydell , Michael Tokarev Subject: [Stable-7.2.14 02/40] target/arm: Use float_status copy in sme_fmopa_s Date: Fri, 6 Sep 2024 08:15:50 +0300 Message-Id: <20240906051633.10288-2-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Daniyal Khan We made a copy above because the fp exception flags are not propagated back to the FPST register, but then failed to use the copy. Cc: qemu-stable@nongnu.org Fixes: 558e956c719 ("target/arm: Implement FMOPA, FMOPS (non-widening)") Signed-off-by: Daniyal Khan Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Alex Bennée Message-id: 20240717060149.204788-2-richard.henderson@linaro.org [rth: Split from a larger patch] Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Alex Bennée Signed-off-by: Peter Maydell (cherry picked from commit 31d93fedf41c24b0badb38cd9317590d1ef74e37) Signed-off-by: Michael Tokarev diff --git a/target/arm/sme_helper.c b/target/arm/sme_helper.c index d592c78ec9..e55bc51d69 100644 --- a/target/arm/sme_helper.c +++ b/target/arm/sme_helper.c @@ -949,7 +949,7 @@ void HELPER(sme_fmopa_s)(void *vza, void *vzn, void *vzm, void *vpn, if (pb & 1) { uint32_t *a = vza_row + H1_4(col); uint32_t *m = vzm + H1_4(col); - *a = float32_muladd(n, *m, *a, 0, vst); + *a = float32_muladd(n, *m, *a, 0, &fpst); } col += 4; pb >>= 4;