From patchwork Thu Feb 10 12:34:25 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: 12741955 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 E1251C433F5 for ; Thu, 10 Feb 2022 13:58:35 +0000 (UTC) Received: from localhost ([::1]:53028 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nI9xy-0006FI-KE for qemu-devel@archiver.kernel.org; Thu, 10 Feb 2022 08:58:34 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33046) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nI8mu-0003xn-Cw; Thu, 10 Feb 2022 07:43:05 -0500 Received: from [187.72.171.209] (port=36571 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nI8ms-00079y-Fu; Thu, 10 Feb 2022 07:43:03 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Thu, 10 Feb 2022 09:35:28 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 6D407800502; Thu, 10 Feb 2022 09:35:28 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v3 15/37] target/ppc: implement vclrlb Date: Thu, 10 Feb 2022 09:34:25 -0300 Message-Id: <20220210123447.3933301-16-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220210123447.3933301-1-matheus.ferst@eldorado.org.br> References: <20220210123447.3933301-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 10 Feb 2022 12:35:28.0743 (UTC) FILETIME=[AF8B8770:01D81E7A] 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: -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, 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 Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 2 ++ target/ppc/translate/vmx-impl.c.inc | 56 +++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ea497ecd80..483651cf9c 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -501,6 +501,8 @@ VSTRIBR 000100 ..... 00001 ..... . 0000001101 @VX_tb_rc VSTRIHL 000100 ..... 00010 ..... . 0000001101 @VX_tb_rc VSTRIHR 000100 ..... 00011 ..... . 0000001101 @VX_tb_rc +VCLRLB 000100 ..... ..... ..... 00110001101 @VX + # VSX Load/Store Instructions LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 8bcf637ff8..3fb4935bff 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1956,6 +1956,62 @@ TRANS(VSTRIBR, do_vstri, gen_helper_VSTRIBR) TRANS(VSTRIHL, do_vstri, gen_helper_VSTRIHL) TRANS(VSTRIHR, do_vstri, gen_helper_VSTRIHR) +static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) +{ + TCGv_i64 hi, lo, rb; + TCGLabel *l, *end; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + l = gen_new_label(); + end = gen_new_label(); + + hi = tcg_const_local_i64(0); + lo = tcg_const_local_i64(0); + rb = tcg_temp_local_new_i64(); + + tcg_gen_extu_tl_i64(rb, cpu_gpr[a->vrb]); + + /* RB == 0: all zeros */ + tcg_gen_brcondi_i64(TCG_COND_EQ, rb, 0, end); + + get_avr64(lo, a->vra, false); + + /* RB <= 8 */ + tcg_gen_brcondi_i64(TCG_COND_LEU, rb, 8, l); + + get_avr64(hi, a->vra, true); + + /* RB >= 16: just copy VRA to VRB */ + tcg_gen_brcondi_i64(TCG_COND_GEU, rb, 16, end); + + /* 8 < RB < 16: copy lo and partially clear hi */ + tcg_gen_subfi_i64(rb, 16, rb); + tcg_gen_shli_i64(rb, rb, 3); + tcg_gen_shl_i64(hi, hi, rb); + tcg_gen_shr_i64(hi, hi, rb); + tcg_gen_br(end); + + /* 0 < RB <= 8: zeroes hi and partially clears lo */ + gen_set_label(l); + tcg_gen_subfi_i64(rb, 8, rb); + tcg_gen_shli_i64(rb, rb, 3); + tcg_gen_shl_i64(lo, lo, rb); + tcg_gen_shr_i64(lo, lo, rb); + + /* Update VRT */ + gen_set_label(end); + set_avr64(a->vrt, hi, true); + set_avr64(a->vrt, lo, false); + + tcg_temp_free_i64(hi); + tcg_temp_free_i64(lo); + tcg_temp_free_i64(rb); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \