From patchwork Thu Oct 21 19:45:28 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: 12576343 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC786C433F5 for ; Thu, 21 Oct 2021 19:56:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 839D4611CE for ; Thu, 21 Oct 2021 19:56:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 839D4611CE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eldorado.org.br Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:49134 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdeAn-0006MD-H0 for qemu-devel@archiver.kernel.org; Thu, 21 Oct 2021 15:56:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33904) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mde3e-0005am-2B; Thu, 21 Oct 2021 15:48:58 -0400 Received: from [201.28.113.2] (port=47716 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mde3b-0001rY-3j; Thu, 21 Oct 2021 15:48:57 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Thu, 21 Oct 2021 16:46:59 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 6D9F0800145; Thu, 21 Oct 2021 16:46:59 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 14/33] target/ppc: Implement vsldbi/vsrdbi instructions Date: Thu, 21 Oct 2021 16:45:28 -0300 Message-Id: <20211021194547.672988-15-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> References: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 21 Oct 2021 19:46:59.0925 (UTC) FILETIME=[69A06050:01D7C6B4] 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-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lucas.castro@eldorado.org.br, richard.henderson@linaro.org, groug@kaod.org, luis.pires@eldorado.org.br, matheus.ferst@eldorado.org.br, 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 | 8 +++ target/ppc/translate/vmx-impl.c.inc | 78 +++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 4666c06f55..257b11113d 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -38,6 +38,9 @@ %dx_d 6:s10 16:5 0:1 @DX ...... rt:5 ..... .......... ..... . &DX d=%dx_d +&VN vrt vra vrb sh +@VN ...... vrt:5 vra:5 vrb:5 .. sh:3 ...... &VN + &VX vrt vra vrb @VX ...... vrt:5 vra:5 vrb:5 .......... . &VX @@ -338,3 +341,8 @@ VCLZDM 000100 ..... ..... ..... 11110000100 @VX VCTZDM 000100 ..... ..... ..... 11111000100 @VX VPDEPD 000100 ..... ..... ..... 10111001101 @VX VPEXTD 000100 ..... ..... ..... 10110001101 @VX + +## Vector Permute and Formatting Instruction + +VSLDBI 000100 ..... ..... ..... 00 ... 010110 @VN +VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index b240fd5fc6..e19793f295 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1257,6 +1257,84 @@ static void gen_vsldoi(DisasContext *ctx) tcg_temp_free_i32(sh); } +static bool trans_VSLDBI(DisasContext *ctx, arg_VN *a) +{ + TCGv_i64 t0, t1, t2; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + + get_avr64(t0, a->vra, true); + get_avr64(t1, a->vra, false); + + if (a->sh != 0) { + t2 = tcg_temp_new_i64(); + + /* vrt.h = (vra.h << sh) | (vra.l >> (64 - sh)) */ + tcg_gen_shli_i64(t0, t0, a->sh); + tcg_gen_shri_i64(t2, t1, 64 - a->sh); + tcg_gen_or_i64(t0, t0, t2); + + /* vrt.l = (vra.l << sh) | (vrb.h >> (64 - sh)) */ + get_avr64(t2, a->vrb, true); + tcg_gen_shli_i64(t1, t1, a->sh); + tcg_gen_shri_i64(t2, t2, 64 - a->sh); + tcg_gen_or_i64(t1, t1, t2); + + tcg_temp_free_i64(t2); + } + + set_avr64(a->vrt, t0, true); + set_avr64(a->vrt, t1, false); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + + return true; +} + +static bool trans_VSRDBI(DisasContext *ctx, arg_VN *a) +{ + TCGv_i64 t2, t1, t0; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + + get_avr64(t0, a->vrb, false); + get_avr64(t1, a->vrb, true); + + if (a->sh != 0) { + t2 = tcg_temp_new_i64(); + + /* vrt.l = (vrb.l >> sh) | (vrb.h << (64 - sh)) */ + tcg_gen_shri_i64(t0, t0, a->sh); + tcg_gen_shli_i64(t2, t1, 64 - a->sh); + tcg_gen_or_i64(t0, t0, t2); + + /* vrt.h = (vrb.h >> sh) | (vra.l << (64 - sh)) */ + get_avr64(t2, a->vra, false); + tcg_gen_shri_i64(t1, t1, a->sh); + tcg_gen_shli_i64(t2, t2, 64 - a->sh); + tcg_gen_or_i64(t1, t1, t2); + + tcg_temp_free_i64(t2); + } + + set_avr64(a->vrt, t0, false); + set_avr64(a->vrt, t1, true); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \