From patchwork Thu May 12 19:42:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12848071 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 4AFD5C433F5 for ; Thu, 12 May 2022 19:46:25 +0000 (UTC) Received: from localhost ([::1]:44616 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1npElT-0001sO-Nv for qemu-devel@archiver.kernel.org; Thu, 12 May 2022 15:46:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40410) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npEig-000839-BJ; Thu, 12 May 2022 15:43:30 -0400 Received: from [187.72.171.209] (port=25741 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1npEie-0003R0-CD; Thu, 12 May 2022 15:43:29 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Thu, 12 May 2022 16:43:06 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id E07D0800C32; Thu, 12 May 2022 16:43:05 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br Subject: [RFC PATCH 2/2] target/ppc: Rely on do_float_check_status for VSX_MADD invalid excepts Date: Thu, 12 May 2022 16:42:50 -0300 Message-Id: <20220512194250.138244-3-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220512194250.138244-1-victor.colombo@eldorado.org.br> References: <20220512194250.138244-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 12 May 2022 19:43:06.0230 (UTC) FILETIME=[80309960:01D86638] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.659, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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" Make necessary changes for Multiply-Add instructions to use the proposed reworked exceptions handling in do_float_check_status. This should allow for cleaner code, not requiring the helper to check multiple exceptions in its body. Signed-off-by: Víctor Colombo --- target/ppc/fpu_helper.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 988ddba282..a73a955b63 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2226,11 +2226,6 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, \ t.fld = tp##_muladd(s1->fld, s3->fld, s2->fld, maddflgs, &tstat); \ env->fp_status.float_exception_flags |= tstat.float_exception_flags; \ \ - if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \ - float_invalid_op_madd(env, tstat.float_exception_flags, \ - sfifprf, GETPC()); \ - } \ - \ if (sfifprf) { \ helper_compute_fprf_float64(env, t.fld); \ } \