From patchwork Fri Apr 12 07:37:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Tao X-Patchwork-Id: 1923024 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=QHSrE6e2; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VGBgf0zdcz1yYM for ; Fri, 12 Apr 2024 19:52:30 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rvDZm-0005W6-AO; Fri, 12 Apr 2024 05:52:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rvDZj-0005SA-QH; Fri, 12 Apr 2024 05:52:03 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rvDZg-0007jk-CJ; Fri, 12 Apr 2024 05:52:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1712915511; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=O9JEdbM/55FFdsPIYnErCakBqaPzk+l9txOOWl3u26E=; b=QHSrE6e2G7xmW5yPZHmUAkR247KC3itp19M6J7Wjf1wAC2L4hKwRdI59RBCMl/dptDG+gw+9Iz2jdozpXyG6BmXhSLW2e63E0Vu+hFy9mmUzXsLmuxhhd+fGtfk6wC5+kWW76Q8XC8wSEID59lgR79Dx2xHm9z0kSU77xF1bOzw= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R311e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018045168; MF=eric.huang@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W4O-Ryn_1712915510; Received: from localhost.localdomain(mailfrom:eric.huang@linux.alibaba.com fp:SMTPD_---0W4O-Ryn_1712915510) by smtp.aliyun-inc.com; Fri, 12 Apr 2024 17:51:50 +0800 From: Huang Tao To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, zhiwei_liu@linux.alibaba.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bin.meng@windriver.com, alistair.francis@wdc.com, palmer@dabbelt.com, Huang Tao Subject: [PATCH 58/65] target/riscv: Add vector iota instruction for XTheadVector Date: Fri, 12 Apr 2024 15:37:28 +0800 Message-ID: <20240412073735.76413-59-eric.huang@linux.alibaba.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240412073735.76413-1-eric.huang@linux.alibaba.com> References: <20240412073735.76413-1-eric.huang@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.133; envelope-from=eric.huang@linux.alibaba.com; helo=out30-133.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 autolearn=ham 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The instruction has the same function as RVV1.0. Overall there are only general differences between XTheadVector and RVV1.0. Signed-off-by: Huang Tao --- target/riscv/helper.h | 5 ++++ .../riscv/insn_trans/trans_xtheadvector.c.inc | 29 +++++++++++++++++- target/riscv/xtheadvector_helper.c | 30 +++++++++++++++++++ 3 files changed, 63 insertions(+), 1 deletion(-) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 90a1ff2601..a1c85e5254 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -2306,3 +2306,8 @@ DEF_HELPER_4(th_vmfirst_m, tl, ptr, ptr, env, i32) DEF_HELPER_5(th_vmsbf_m, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(th_vmsif_m, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(th_vmsof_m, void, ptr, ptr, ptr, env, i32) + +DEF_HELPER_5(th_viota_m_b, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(th_viota_m_h, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(th_viota_m_w, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(th_viota_m_d, void, ptr, ptr, ptr, env, i32) diff --git a/target/riscv/insn_trans/trans_xtheadvector.c.inc b/target/riscv/insn_trans/trans_xtheadvector.c.inc index d41c691c31..93f4ee4a12 100644 --- a/target/riscv/insn_trans/trans_xtheadvector.c.inc +++ b/target/riscv/insn_trans/trans_xtheadvector.c.inc @@ -2534,13 +2534,40 @@ GEN_M_TRANS_TH(th_vmsbf_m) GEN_M_TRANS_TH(th_vmsif_m) GEN_M_TRANS_TH(th_vmsof_m) +/* Vector Iota Instruction */ +static bool trans_th_viota_m(DisasContext *s, arg_th_viota_m *a) +{ + if (require_xtheadvector(s) && + vext_check_isa_ill(s) && + th_check_reg(s, a->rd, false) && + th_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, 1) && + (a->vm != 0 || a->rd != 0) && + s->vstart_eq_zero) { + uint32_t data = 0; + + data = FIELD_DP32(data, VDATA_TH, MLEN, s->mlen); + data = FIELD_DP32(data, VDATA_TH, VM, a->vm); + data = FIELD_DP32(data, VDATA_TH, LMUL, s->lmul); + static gen_helper_gvec_3_ptr * const fns[4] = { + gen_helper_th_viota_m_b, gen_helper_th_viota_m_h, + gen_helper_th_viota_m_w, gen_helper_th_viota_m_d, + }; + tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), + vreg_ofs(s, a->rs2), tcg_env, + s->cfg_ptr->vlenb, + s->cfg_ptr->vlenb, data, fns[s->sew]); + finalize_rvv_inst(s); + return true; + } + return false; +} + #define TH_TRANS_STUB(NAME) \ static bool trans_##NAME(DisasContext *s, arg_##NAME *a) \ { \ return require_xtheadvector(s); \ } -TH_TRANS_STUB(th_viota_m) TH_TRANS_STUB(th_vid_v) TH_TRANS_STUB(th_vext_x_v) TH_TRANS_STUB(th_vmv_s_x) diff --git a/target/riscv/xtheadvector_helper.c b/target/riscv/xtheadvector_helper.c index d4f1665bf3..b0ddb3b307 100644 --- a/target/riscv/xtheadvector_helper.c +++ b/target/riscv/xtheadvector_helper.c @@ -3622,3 +3622,33 @@ void HELPER(th_vmsof_m)(void *vd, void *v0, void *vs2, CPURISCVState *env, { vmsetm(vd, v0, vs2, env, desc, ONLY_FIRST); } + +/* Vector Iota Instruction */ +#define GEN_TH_VIOTA_M(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, void *vs2, CPURISCVState *env, \ + uint32_t desc) \ +{ \ + uint32_t mlen = th_mlen(desc); \ + uint32_t vlmax = (env_archcpu(env)->cfg.vlenb << 3) / mlen; \ + uint32_t vm = th_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t sum = 0; \ + int i; \ + \ + for (i = env->vstart; i < vl; i++) { \ + if (!vm && !th_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + *((ETYPE *)vd + H(i)) = sum; \ + if (th_elem_mask(vs2, mlen, i)) { \ + sum++; \ + } \ + } \ + env->vstart = 0; \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +GEN_TH_VIOTA_M(th_viota_m_b, uint8_t, H1, clearb_th) +GEN_TH_VIOTA_M(th_viota_m_h, uint16_t, H2, clearh_th) +GEN_TH_VIOTA_M(th_viota_m_w, uint32_t, H4, clearl_th) +GEN_TH_VIOTA_M(th_viota_m_d, uint64_t, H8, clearq_th)