From nobody Tue Feb 10 08:03:39 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1638560983374529.002258488423; Fri, 3 Dec 2021 11:49:43 -0800 (PST) Received: from localhost ([::1]:59504 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtEYv-0008NQ-SR for importer@patchew.org; Fri, 03 Dec 2021 14:49:41 -0500 Received: from eggs.gnu.org ([209.51.188.92]:45792) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtETO-0004AB-Cs; Fri, 03 Dec 2021 14:44:02 -0500 Received: from [201.28.113.2] (port=9582 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtETM-0006h3-AA; Fri, 03 Dec 2021 14:43:57 -0500 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Fri, 3 Dec 2021 16:42:57 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 93978800EB4; Fri, 3 Dec 2021 16:42:57 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v3 1/3] target/ppc: Implement Vector Expand Mask Date: Fri, 3 Dec 2021 16:42:27 -0300 Message-Id: <20211203194229.746275-2-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211203194229.746275-1-matheus.ferst@eldorado.org.br> References: <20211203194229.746275-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 03 Dec 2021 19:42:57.0890 (UTC) FILETIME=[F9200420:01D7E87D] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1638560983854100001 Content-Type: text/plain; charset="utf-8" From: Matheus Ferst Implement the following PowerISA v3.1 instructions: vexpandbm: Vector Expand Byte Mask vexpandhm: Vector Expand Halfword Mask vexpandwm: Vector Expand Word Mask vexpanddm: Vector Expand Doubleword Mask vexpandqm: Vector Expand Quadword Mask Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 11 ++++++++++ target/ppc/translate/vmx-impl.c.inc | 34 +++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index e135b8aba4..9a28f1d266 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -56,6 +56,9 @@ &VX_uim4 vrt uim vrb @VX_uim4 ...... vrt:5 . uim:4 vrb:5 ........... &VX_uim4 =20 +&VX_tb vrt vrb +@VX_tb ...... vrt:5 ..... vrb:5 ........... &VX_tb + &X rt ra rb @X ...... rt:5 ra:5 rb:5 .......... . &X =20 @@ -408,6 +411,14 @@ VINSWVRX 000100 ..... ..... ..... 00110001111 = @VX VSLDBI 000100 ..... ..... ..... 00 ... 010110 @VN VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN =20 +## Vector Mask Manipulation Instructions + +VEXPANDBM 000100 ..... 00000 ..... 11001000010 @VX_tb +VEXPANDHM 000100 ..... 00001 ..... 11001000010 @VX_tb +VEXPANDWM 000100 ..... 00010 ..... 11001000010 @VX_tb +VEXPANDDM 000100 ..... 00011 ..... 11001000010 @VX_tb +VEXPANDQM 000100 ..... 00100 ..... 11001000010 @VX_tb + # VSX Load/Store Instructions =20 LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx= -impl.c.inc index 8eb8d3a067..ebb0484323 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1491,6 +1491,40 @@ static bool trans_VSRDBI(DisasContext *ctx, arg_VN *= a) return true; } =20 +static bool do_vexpand(DisasContext *ctx, arg_VX_tb *a, unsigned vece) +{ + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + tcg_gen_gvec_sari(vece, avr_full_offset(a->vrt), avr_full_offset(a->vr= b), + (8 << vece) - 1, 16, 16); + + return true; +} + +TRANS(VEXPANDBM, do_vexpand, MO_8) +TRANS(VEXPANDHM, do_vexpand, MO_16) +TRANS(VEXPANDWM, do_vexpand, MO_32) +TRANS(VEXPANDDM, do_vexpand, MO_64) + +static bool trans_VEXPANDQM(DisasContext *ctx, arg_VX_tb *a) +{ + TCGv_i64 tmp; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + tmp =3D tcg_temp_new_i64(); + + get_avr64(tmp, a->vrb, true); + tcg_gen_sari_i64(tmp, tmp, 63); + set_avr64(a->vrt, tmp, false); + set_avr64(a->vrt, tmp, true); + + tcg_temp_free_i64(tmp); + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ --=20 2.25.1