From patchwork Wed Jul 1 15:25:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 1320733 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-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=c-sky.com 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 ozlabs.org (Postfix) with ESMTPS id 49xnqq2m7Lz9sQt for ; Thu, 2 Jul 2020 03:13:27 +1000 (AEST) Received: from localhost ([::1]:51202 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqgIX-0006Xn-4w for incoming@patchwork.ozlabs.org; Wed, 01 Jul 2020 13:13:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55726) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqgI8-0006Uo-JU; Wed, 01 Jul 2020 13:13:00 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:38241) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqgI5-0000Cz-LL; Wed, 01 Jul 2020 13:13:00 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07992211|-1; BR=01201311R211ec; CH=green; DM=|OVERLOAD|false|; DS=SPAM|spam_blackmail|0.948973-1.3997e-05-0.0510128; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03268; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=8; RT=8; SR=0; TI=SMTPD_---.HvxZB-7_1593623569; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HvxZB-7_1593623569) by smtp.aliyun-inc.com(10.147.41.120); Thu, 02 Jul 2020 01:12:50 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v12 53/61] target/riscv: vector iota instruction Date: Wed, 1 Jul 2020 23:25:41 +0800 Message-Id: <20200701152549.1218-54-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200701152549.1218-1-zhiwei_liu@c-sky.com> References: <20200701152549.1218-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Received-SPF: none client-ip=121.197.200.217; envelope-from=zhiwei_liu@c-sky.com; helo=smtp2200-217.mail.aliyun.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/01 11:22:02 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=_AUTOLEARN 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: richard.henderson@linaro.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, Alistair.Francis@wdc.com, palmer@dabbelt.com, LIU Zhiwei Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei Reviewed-by: Richard Henderson --- target/riscv/helper.h | 5 +++++ target/riscv/insn32.decode | 1 + target/riscv/insn_trans/trans_rvv.inc.c | 27 +++++++++++++++++++++++ target/riscv/vector_helper.c | 29 +++++++++++++++++++++++++ 4 files changed, 62 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 0f9012be7e..91db396979 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1109,3 +1109,8 @@ DEF_HELPER_4(vmfirst_m, tl, ptr, ptr, env, i32) DEF_HELPER_5(vmsbf_m, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vmsif_m, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vmsof_m, void, ptr, ptr, ptr, env, i32) + +DEF_HELPER_5(viota_m_b, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(viota_m_h, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(viota_m_w, void, ptr, ptr, ptr, env, i32) +DEF_HELPER_5(viota_m_d, void, ptr, ptr, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index fab4a0b7e2..415523573d 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -560,6 +560,7 @@ vmfirst_m 010101 . ..... ----- 010 ..... 1010111 @r2_vm vmsbf_m 010110 . ..... 00001 010 ..... 1010111 @r2_vm vmsif_m 010110 . ..... 00011 010 ..... 1010111 @r2_vm vmsof_m 010110 . ..... 00010 010 ..... 1010111 @r2_vm +viota_m 010110 . ..... 10000 010 ..... 1010111 @r2_vm vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm vsetvl 1000000 ..... ..... 111 ..... 1010111 @r diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index 33ffe5dc1a..4dc893fa70 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2481,3 +2481,30 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ GEN_M_TRANS(vmsbf_m) GEN_M_TRANS(vmsif_m) GEN_M_TRANS(vmsof_m) + +/* Vector Iota Instruction */ +static bool trans_viota_m(DisasContext *s, arg_viota_m *a) +{ + if (vext_check_isa_ill(s) && + vext_check_reg(s, a->rd, false) && + vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2, 1) && + (a->vm != 0 || a->rd != 0)) { + uint32_t data = 0; + TCGLabel *over = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + + data = FIELD_DP32(data, VDATA, MLEN, s->mlen); + data = FIELD_DP32(data, VDATA, VM, a->vm); + data = FIELD_DP32(data, VDATA, LMUL, s->lmul); + static gen_helper_gvec_3_ptr * const fns[4] = { + gen_helper_viota_m_b, gen_helper_viota_m_h, + gen_helper_viota_m_w, gen_helper_viota_m_d, + }; + tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), + vreg_ofs(s, a->rs2), cpu_env, 0, + s->vlen / 8, data, fns[s->sew]); + gen_set_label(over); + return true; + } + return false; +} diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index a58809a3cd..e0e6299e64 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4644,3 +4644,32 @@ void HELPER(vmsof_m)(void *vd, void *v0, void *vs2, CPURISCVState *env, { vmsetm(vd, v0, vs2, env, desc, ONLY_FIRST); } + +/* Vector Iota Instruction */ +#define GEN_VEXT_VIOTA_M(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, void *vs2, CPURISCVState *env, \ + uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t sum = 0; \ + int i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + *((ETYPE *)vd + H(i)) = sum; \ + if (vext_elem_mask(vs2, mlen, i)) { \ + sum++; \ + } \ + } \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +GEN_VEXT_VIOTA_M(viota_m_b, uint8_t, H1, clearb) +GEN_VEXT_VIOTA_M(viota_m_h, uint16_t, H2, clearh) +GEN_VEXT_VIOTA_M(viota_m_w, uint32_t, H4, clearl) +GEN_VEXT_VIOTA_M(viota_m_d, uint64_t, H8, clearq)