From patchwork Tue Apr 5 19:55:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Mateus Martins Araujo e Castro X-Patchwork-Id: 12801876 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 707BEC433F5 for ; Tue, 5 Apr 2022 20:06:53 +0000 (UTC) Received: from localhost ([::1]:60550 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nbpS0-0005nM-Ah for qemu-devel@archiver.kernel.org; Tue, 05 Apr 2022 16:06:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56474) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nbpHo-00040r-BO; Tue, 05 Apr 2022 15:56:20 -0400 Received: from [187.72.171.209] (port=24543 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nbpHm-00049c-Ng; Tue, 05 Apr 2022 15:56:19 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Tue, 5 Apr 2022 16:56:04 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 27BA58000CB; Tue, 5 Apr 2022 16:56:04 -0300 (-03) From: "Lucas Mateus Castro(alqotel)" To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 4/9] target/ppc: Implemented vector divide extended word Date: Tue, 5 Apr 2022 16:55:53 -0300 Message-Id: <20220405195558.66144-5-lucas.araujo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220405195558.66144-1-lucas.araujo@eldorado.org.br> References: <20220405195558.66144-1-lucas.araujo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 05 Apr 2022 19:56:04.0620 (UTC) FILETIME=[2EDCBCC0:01D84927] 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=lucas.araujo@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, Greg Kurz , "Lucas Mateus Castro \(alqotel\)" , clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Lucas Mateus Castro (alqotel)" Implement the following PowerISA v3.1 instructions: vdivesw: Vector Divide Extended Signed Word vdiveuw: Vector Divide Extended Unsigned Word Signed-off-by: Lucas Mateus Castro (alqotel) --- target/ppc/insn32.decode | 3 ++ target/ppc/translate/vmx-impl.c.inc | 48 +++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 3a88a0b5bc..8c115c9c60 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -712,3 +712,6 @@ VDIVSD 000100 ..... ..... ..... 00111001011 @VX VDIVUD 000100 ..... ..... ..... 00011001011 @VX VDIVSQ 000100 ..... ..... ..... 00100001011 @VX VDIVUQ 000100 ..... ..... ..... 00000001011 @VX + +VDIVESW 000100 ..... ..... ..... 01110001011 @VX +VDIVEUW 000100 ..... ..... ..... 01010001011 @VX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index bac0db7128..8799e945bd 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -3295,6 +3295,54 @@ TRANS_VDIV_VMOD(ISA310, VDIVUD, MO_64, NULL, do_divud) TRANS_FLAGS2(ISA310, VDIVSQ, do_vx_helper, gen_helper_VDIVSQ) TRANS_FLAGS2(ISA310, VDIVUQ, do_vx_helper, gen_helper_VDIVUQ) +static void do_dives_i32(TCGv_i32 t, TCGv_i32 a, TCGv_i32 b) +{ + TCGv_i64 val1, val2; + + val1 = tcg_temp_new_i64(); + val2 = tcg_temp_new_i64(); + + tcg_gen_ext_i32_i64(val1, a); + tcg_gen_ext_i32_i64(val2, b); + + /* (a << 32)/b */ + tcg_gen_shli_i64(val1, val1, 32); + tcg_gen_div_i64(val1, val1, val2); + + /* if quotient doesn't fit in 32 bits the result is undefined */ + tcg_gen_extrl_i64_i32(t, val1); + + tcg_temp_free_i64(val1); + tcg_temp_free_i64(val2); +} + +static void do_diveu_i32(TCGv_i32 t, TCGv_i32 a, TCGv_i32 b) +{ + TCGv_i64 val1, val2; + + val1 = tcg_temp_new_i64(); + val2 = tcg_temp_new_i64(); + + tcg_gen_extu_i32_i64(val1, a); + tcg_gen_extu_i32_i64(val2, b); + + /* (a << 32)/b */ + tcg_gen_shli_i64(val1, val1, 32); + tcg_gen_divu_i64(val1, val1, val2); + + /* if quotient doesn't fit in 32 bits the result is undefined */ + tcg_gen_extrl_i64_i32(t, val1); + + tcg_temp_free_i64(val1); + tcg_temp_free_i64(val2); +} + +DO_VDIV_VMOD(do_divesw, 32, do_dives_i32, true) +DO_VDIV_VMOD(do_diveuw, 32, do_diveu_i32, false) + +TRANS_VDIV_VMOD(ISA310, VDIVESW, MO_32, do_divesw, NULL) +TRANS_VDIV_VMOD(ISA310, VDIVEUW, MO_32, do_diveuw, NULL) + #undef DO_VDIV_VMOD #undef GEN_VR_LDX