From patchwork Fri Feb 25 21:09:19 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: 12761025 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 0DEE1C433F5 for ; Fri, 25 Feb 2022 22:12:08 +0000 (UTC) Received: from localhost ([::1]:40890 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNioo-00013I-P4 for qemu-devel@archiver.kernel.org; Fri, 25 Feb 2022 17:12:06 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35194) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nNhvz-0006qx-6A; Fri, 25 Feb 2022 16:15:27 -0500 Received: from [187.72.171.209] (port=1210 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNhvx-0004HA-Fb; Fri, 25 Feb 2022 16:15:26 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 25 Feb 2022 18:09:56 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 4FB408001D1; Fri, 25 Feb 2022 18:09:56 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v5 32/49] target/ppc: Implement xxpermx instruction Date: Fri, 25 Feb 2022 18:09:19 -0300 Message-Id: <20220225210936.1749575-33-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> References: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 25 Feb 2022 21:09:56.0686 (UTC) FILETIME=[0A7816E0:01D82A8C] 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: -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, 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 Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst --- target/ppc/helper.h | 1 + target/ppc/insn64.decode | 8 ++++++++ target/ppc/int_helper.c | 20 ++++++++++++++++++++ target/ppc/translate/vsx-impl.c.inc | 22 ++++++++++++++++++++++ 4 files changed, 51 insertions(+) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index f75a26b4af..06fac7e082 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -493,6 +493,7 @@ DEF_HELPER_3(xvrspim, void, env, vsr, vsr) DEF_HELPER_3(xvrspip, void, env, vsr, vsr) DEF_HELPER_3(xvrspiz, void, env, vsr, vsr) DEF_HELPER_4(xxextractuw, void, env, vsr, vsr, i32) +DEF_HELPER_FLAGS_5(XXPERMX, TCG_CALL_NO_RWG, void, vsr, vsr, vsr, vsr, tl) DEF_HELPER_4(xxinsertw, void, env, vsr, vsr, i32) DEF_HELPER_3(xvxsigsp, void, env, vsr, vsr) DEF_HELPER_5(XXBLENDVB, void, vsr, vsr, vsr, vsr, i32) diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode index 9e4f531fb9..0963e064b1 100644 --- a/target/ppc/insn64.decode +++ b/target/ppc/insn64.decode @@ -54,6 +54,11 @@ ...... ..... ..... ..... ..... .. .... \ &8RR_XX4 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc +&8RR_XX4_uim3 xt xa xb xc uim3 +@8RR_XX4_uim3 ...... .. .... .. ............... uim3:3 \ + ...... ..... ..... ..... ..... .. .... \ + &8RR_XX4_uim3 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc + ### Fixed-Point Load Instructions PLBZ 000001 10 0--.-- .................. \ @@ -194,3 +199,6 @@ XXBLENDVH 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 01 .... @8RR_XX4 XXBLENDVB 000001 01 0000 -- ------------------ \ 100001 ..... ..... ..... ..... 00 .... @8RR_XX4 + +XXPERMX 000001 01 0000 -- --------------- ... \ + 100010 ..... ..... ..... ..... 00 .... @8RR_XX4_uim3 diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 6c63c7b227..d9bfdc290f 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1015,6 +1015,26 @@ VMUL(UW, u32, VsrW, VsrD, uint64_t) #undef VMUL_DO_ODD #undef VMUL +void helper_XXPERMX(ppc_vsr_t *t, ppc_vsr_t *s0, ppc_vsr_t *s1, ppc_vsr_t *pcv, + target_ulong uim) +{ + int i, idx; + ppc_vsr_t tmp = { .u64 = {0, 0} }; + + for (i = 0; i < ARRAY_SIZE(t->u8); i++) { + if ((pcv->VsrB(i) >> 5) == uim) { + idx = pcv->VsrB(i) & 0x1f; + if (idx < ARRAY_SIZE(t->u8)) { + tmp.VsrB(i) = s0->VsrB(idx); + } else { + tmp.VsrB(i) = s1->VsrB(idx - ARRAY_SIZE(t->u8)); + } + } + } + + *t = tmp; +} + void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { ppc_avr_t result; diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index cdefa13590..92851b8926 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1234,6 +1234,28 @@ static bool trans_XXPERMDI(DisasContext *ctx, arg_XX3_dm *a) return true; } +static bool trans_XXPERMX(DisasContext *ctx, arg_8RR_XX4_uim3 *a) +{ + TCGv_ptr xt, xa, xb, xc; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xt = gen_vsr_ptr(a->xt); + xa = gen_vsr_ptr(a->xa); + xb = gen_vsr_ptr(a->xb); + xc = gen_vsr_ptr(a->xc); + + gen_helper_XXPERMX(xt, xa, xb, xc, tcg_constant_tl(a->uim3)); + + tcg_temp_free_ptr(xt); + tcg_temp_free_ptr(xa); + tcg_temp_free_ptr(xb); + tcg_temp_free_ptr(xc); + + return true; +} + #define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \