From patchwork Fri Feb 25 21:09:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 12761076 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 194ACC433EF for ; Fri, 25 Feb 2022 23:21:22 +0000 (UTC) Received: from localhost ([::1]:57624 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNjto-0006kK-Hk for qemu-devel@archiver.kernel.org; Fri, 25 Feb 2022 18:21:20 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35802) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nNhxn-0000tW-T1; Fri, 25 Feb 2022 16:17:19 -0500 Received: from [187.72.171.209] (port=58124 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNhxm-0004qx-CW; Fri, 25 Feb 2022 16:17:19 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 25 Feb 2022 18:10:00 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 210588006BB; Fri, 25 Feb 2022 18:10:00 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v5 44/49] target/ppc: Refactor VSX_MAX_MINC helper Date: Fri, 25 Feb 2022 18:09:31 -0300 Message-Id: <20220225210936.1749575-45-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> References: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 25 Feb 2022 21:10:00.0516 (UTC) FILETIME=[0CC08040:01D82A8C] 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=matheus.ferst@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: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, groug@kaod.org, =?utf-8?q?V=C3=ADctor_Colombo?= , clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Víctor Colombo Refactor xs{max,min}cdp VSX_MAX_MINC helper to prepare for xs{max,min}cqp implementation. Signed-off-by: Víctor Colombo Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- changes for v5: - use float_flag_invalid_snan as suggested by Richard Henderson --- target/ppc/fpu_helper.c | 41 +++++++++++++++++------------------------ 1 file changed, 17 insertions(+), 24 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 4bfa1c4283..0aaf529ac8 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2533,40 +2533,33 @@ VSX_MAX_MIN(xsmindp, minnum, 1, float64, VsrD(0)) VSX_MAX_MIN(xvmindp, minnum, 2, float64, VsrD(i)) VSX_MAX_MIN(xvminsp, minnum, 4, float32, VsrW(i)) -#define VSX_MAX_MINC(name, max) \ +#define VSX_MAX_MINC(name, max, tp, fld) \ void helper_##name(CPUPPCState *env, \ ppc_vsr_t *xt, ppc_vsr_t *xa, ppc_vsr_t *xb) \ { \ ppc_vsr_t t = { }; \ - bool vxsnan_flag = false, vex_flag = false; \ + bool first; \ \ - if (unlikely(float64_is_any_nan(xa->VsrD(0)) || \ - float64_is_any_nan(xb->VsrD(0)))) { \ - if (float64_is_signaling_nan(xa->VsrD(0), &env->fp_status) || \ - float64_is_signaling_nan(xb->VsrD(0), &env->fp_status)) { \ - vxsnan_flag = true; \ - } \ - t.VsrD(0) = xb->VsrD(0); \ - } else if ((max && \ - !float64_lt(xa->VsrD(0), xb->VsrD(0), &env->fp_status)) || \ - (!max && \ - float64_lt(xa->VsrD(0), xb->VsrD(0), &env->fp_status))) { \ - t.VsrD(0) = xa->VsrD(0); \ + if (max) { \ + first = tp##_le_quiet(xb->fld, xa->fld, &env->fp_status); \ } else { \ - t.VsrD(0) = xb->VsrD(0); \ + first = tp##_lt_quiet(xa->fld, xb->fld, &env->fp_status); \ } \ \ - vex_flag = fpscr_ve & vxsnan_flag; \ - if (vxsnan_flag) { \ - float_invalid_op_vxsnan(env, GETPC()); \ + if (first) { \ + t.fld = xa->fld; \ + } else { \ + t.fld = xb->fld; \ + if (env->fp_status.float_exception_flags & float_flag_invalid_snan) { \ + float_invalid_op_vxsnan(env, GETPC()); \ + } \ } \ - if (!vex_flag) { \ - *xt = t; \ - } \ -} \ + \ + *xt = t; \ +} -VSX_MAX_MINC(XSMAXCDP, 1); -VSX_MAX_MINC(XSMINCDP, 0); +VSX_MAX_MINC(XSMAXCDP, true, float64, VsrD(0)); +VSX_MAX_MINC(XSMINCDP, false, float64, VsrD(0)); #define VSX_MAX_MINJ(name, max) \ void helper_##name(CPUPPCState *env, \