From patchwork Wed Nov 10 18:56:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 1553563 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4HqDgH5qWsz9sCD for ; Thu, 11 Nov 2021 05:59:55 +1100 (AEDT) Received: from localhost ([::1]:35348 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mksp7-0000f9-HP for incoming@patchwork.ozlabs.org; Wed, 10 Nov 2021 13:59:53 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38472) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mksof-00008z-St; Wed, 10 Nov 2021 13:59:25 -0500 Received: from [201.28.113.2] (port=44873 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mksoc-0001jj-VY; Wed, 10 Nov 2021 13:59:25 -0500 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Wed, 10 Nov 2021 15:58:06 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 05038800AC7; Wed, 10 Nov 2021 15:58:05 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 2/3] target/ppc: Implement Vector Extract Mask Date: Wed, 10 Nov 2021 15:56:12 -0300 Message-Id: <20211110185613.550946-3-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211110185613.550946-1-matheus.ferst@eldorado.org.br> References: <20211110185613.550946-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 10 Nov 2021 18:58:06.0413 (UTC) FILETIME=[E560F7D0:01D7D664] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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-ppc@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-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Matheus Ferst Implement the following PowerISA v3.1 instructions: vextractbm: Vector Extract Byte Mask vextracthm: Vector Extract Halfword Mask vextractwm: Vector Extract Word Mask vextractdm: Vector Extract Doubleword Mask vextractqm: Vector Extract Quadword Mask Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 6 ++ target/ppc/translate/vmx-impl.c.inc | 85 +++++++++++++++++++++++++++++ 2 files changed, 91 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 9a28f1d266..639ac22bf0 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -419,6 +419,12 @@ VEXPANDWM 000100 ..... 00010 ..... 11001000010 @VX_tb VEXPANDDM 000100 ..... 00011 ..... 11001000010 @VX_tb VEXPANDQM 000100 ..... 00100 ..... 11001000010 @VX_tb +VEXTRACTBM 000100 ..... 01000 ..... 11001000010 @VX_tb +VEXTRACTHM 000100 ..... 01001 ..... 11001000010 @VX_tb +VEXTRACTWM 000100 ..... 01010 ..... 11001000010 @VX_tb +VEXTRACTDM 000100 ..... 01011 ..... 11001000010 @VX_tb +VEXTRACTQM 000100 ..... 01100 ..... 11001000010 @VX_tb + # 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 58aca58f0f..c6a30614fb 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1539,6 +1539,91 @@ static bool trans_VEXPANDQM(DisasContext *ctx, arg_VX_tb *a) return true; } +static bool do_vextractm(DisasContext *ctx, arg_VX_tb *a, unsigned vece) +{ + const uint64_t elem_length = 8 << vece, elem_num = 15 >> vece; + int i = elem_num; + uint64_t bit; + TCGv_i64 t, b, tmp, zero; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + t = tcg_const_i64(0); + b = tcg_temp_new_i64(); + tmp = tcg_temp_new_i64(); + zero = tcg_constant_i64(0); + + get_avr64(b, a->vrb, true); + for (bit = 1ULL << 63; i > elem_num / 2; i--, bit >>= elem_length) { + tcg_gen_shli_i64(t, t, 1); + tcg_gen_andi_i64(tmp, b, bit); + tcg_gen_setcond_i64(TCG_COND_NE, tmp, tmp, zero); + tcg_gen_or_i64(t, t, tmp); + } + + get_avr64(b, a->vrb, false); + for (bit = 1ULL << 63; i >= 0; i--, bit >>= elem_length) { + tcg_gen_shli_i64(t, t, 1); + tcg_gen_andi_i64(tmp, b, bit); + tcg_gen_setcond_i64(TCG_COND_NE, tmp, tmp, zero); + tcg_gen_or_i64(t, t, tmp); + } + + tcg_gen_trunc_i64_tl(cpu_gpr[a->vrt], t); + + tcg_temp_free_i64(t); + tcg_temp_free_i64(b); + tcg_temp_free_i64(tmp); + + return true; +} + +TRANS(VEXTRACTBM, do_vextractm, MO_8) +TRANS(VEXTRACTHM, do_vextractm, MO_16) +TRANS(VEXTRACTWM, do_vextractm, MO_32) + +static bool trans_VEXTRACTDM(DisasContext *ctx, arg_VX_tb *a) +{ + TCGv_i64 t, b; + + t = tcg_temp_new_i64(); + b = tcg_temp_new_i64(); + + get_avr64(b, a->vrb, true); + tcg_gen_andi_i64(t, b, 1); + tcg_gen_shli_i64(t, t, 1); + + get_avr64(b, a->vrb, false); + tcg_gen_andi_i64(b, b, 1); + tcg_gen_or_i64(t, t, b); + + tcg_gen_trunc_i64_tl(cpu_gpr[a->vrt], t); + + tcg_temp_free_i64(t); + tcg_temp_free_i64(b); + + return true; +} + +static bool trans_VEXTRACTQM(DisasContext *ctx, arg_VX_tb *a) +{ + TCGv_i64 tmp; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + tmp = tcg_temp_new_i64(); + + get_avr64(tmp, a->vrb, true); + tcg_gen_shri_i64(tmp, tmp, 63); + tcg_gen_trunc_i64_tl(cpu_gpr[a->vrt], tmp); + + tcg_temp_free_i64(tmp); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \