From patchwork Tue Feb 22 14:36:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 12755242 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 1DF67C433F5 for ; Tue, 22 Feb 2022 14:51:14 +0000 (UTC) Received: from localhost ([::1]:59160 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nMWVV-000053-O6 for qemu-devel@archiver.kernel.org; Tue, 22 Feb 2022 09:51:13 -0500 Received: from eggs.gnu.org ([209.51.188.92]:43800) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nMWKE-0005QH-FW; Tue, 22 Feb 2022 09:39:34 -0500 Received: from [187.72.171.209] (port=64269 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nMWKC-0005Id-H3; Tue, 22 Feb 2022 09:39:34 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 22 Feb 2022 11:37:40 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 9E4318000A7; Tue, 22 Feb 2022 11:37:40 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v4 12/47] target/ppc: Implement Vector Compare Greater Than Quadword Date: Tue, 22 Feb 2022 11:36:10 -0300 Message-Id: <20220222143646.1268606-13-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220222143646.1268606-1-matheus.ferst@eldorado.org.br> References: <20220222143646.1268606-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 22 Feb 2022 14:37:41.0004 (UTC) FILETIME=[BEDEC4C0:01D827F9] 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, 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: Matheus Ferst Implement the following PowerISA v3.1 instructions: vcmpgtsq: Vector Compare Greater Than Signed Quadword vcmpgtuq: Vector Compare Greater Than Unsigned Quadword Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- v4: - Branchless implementation (rth) --- target/ppc/insn32.decode | 2 ++ target/ppc/translate/vmx-impl.c.inc | 39 +++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 437a3e29e0..07a4ef9103 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -388,11 +388,13 @@ VCMPGTSB 000100 ..... ..... ..... . 1100000110 @VC VCMPGTSH 000100 ..... ..... ..... . 1101000110 @VC VCMPGTSW 000100 ..... ..... ..... . 1110000110 @VC VCMPGTSD 000100 ..... ..... ..... . 1111000111 @VC +VCMPGTSQ 000100 ..... ..... ..... . 1110000111 @VC VCMPGTUB 000100 ..... ..... ..... . 1000000110 @VC VCMPGTUH 000100 ..... ..... ..... . 1001000110 @VC VCMPGTUW 000100 ..... ..... ..... . 1010000110 @VC VCMPGTUD 000100 ..... ..... ..... . 1011000111 @VC +VCMPGTUQ 000100 ..... ..... ..... . 1010000111 @VC VCMPNEB 000100 ..... ..... ..... . 0000000111 @VC VCMPNEH 000100 ..... ..... ..... . 0001000111 @VC diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index d66a642b67..4a76e370fc 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1143,6 +1143,45 @@ static bool trans_VCMPEQUQ(DisasContext *ctx, arg_VC *a) return true; } +static bool do_vcmpgtq(DisasContext *ctx, arg_VC *a, bool sign) +{ + TCGv_i64 t0, t1, t2; + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + + get_avr64(t0, a->vra, false); + get_avr64(t1, a->vrb, false); + tcg_gen_setcond_i64(TCG_COND_GTU, t2, t0, t1); + + get_avr64(t0, a->vra, true); + get_avr64(t1, a->vrb, true); + tcg_gen_movcond_i64(TCG_COND_EQ, t2, t0, t1, t2, tcg_constant_i64(0)); + tcg_gen_setcond_i64(sign ? TCG_COND_GT : TCG_COND_GTU, t1, t0, t1); + + tcg_gen_or_i64(t1, t1, t2); + tcg_gen_neg_i64(t1, t1); + + set_avr64(a->vrt, t1, true); + set_avr64(a->vrt, t1, false); + + if (a->rc) { + tcg_gen_extrl_i64_i32(cpu_crf[6], t1); + tcg_gen_andi_i32(cpu_crf[6], cpu_crf[6], 0xa); + tcg_gen_xori_i32(cpu_crf[6], cpu_crf[6], 0x2); + } + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + + return true; +} + +TRANS(VCMPGTSQ, do_vcmpgtq, true) +TRANS(VCMPGTUQ, do_vcmpgtq, false) + GEN_VXRFORM(vcmpeqfp, 3, 3) GEN_VXRFORM(vcmpgefp, 3, 7) GEN_VXRFORM(vcmpgtfp, 3, 11)