From patchwork Thu May 21 09:44:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 1295153 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 49SSMk21Yqz9sSJ for ; Thu, 21 May 2020 21:39:45 +1000 (AEST) Received: from localhost ([::1]:33504 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jbjY7-00036m-8A for incoming@patchwork.ozlabs.org; Thu, 21 May 2020 07:39:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43180) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbjXb-0002x3-6e; Thu, 21 May 2020 07:39:12 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:60846) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbjXa-000848-4B; Thu, 21 May 2020 07:39:10 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.08932865|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.017555-0.000288083-0.982157; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03311; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=8; RT=8; SR=0; TI=SMTPD_---.HbedO8L_1590061144; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HbedO8L_1590061144) by smtp.aliyun-inc.com(10.147.40.7); Thu, 21 May 2020 19:39:04 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 57/62] target/riscv: integer scalar move instruction Date: Thu, 21 May 2020 17:44:08 +0800 Message-Id: <20200521094413.10425-58-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200521094413.10425-1-zhiwei_liu@c-sky.com> References: <20200521094413.10425-1-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 = 2020/05/21 05:19:14 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, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=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/insn32.decode | 1 + target/riscv/insn_trans/trans_rvv.inc.c | 60 +++++++++++++++++++++++++ target/riscv/internals.h | 6 +++ 3 files changed, 67 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 26dd0f1b1b..0741a25540 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -562,6 +562,7 @@ vmsof_m 010110 . ..... 00010 010 ..... 1010111 @r2_vm viota_m 010110 . ..... 10000 010 ..... 1010111 @r2_vm vid_v 010110 . 00000 10001 010 ..... 1010111 @r1_vm vext_x_v 001100 1 ..... ..... 010 ..... 1010111 @r +vmv_s_x 001101 1 00000 ..... 110 ..... 1010111 @r2 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 1c348f1e1e..27ae87e7b3 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2640,3 +2640,63 @@ static bool trans_vext_x_v(DisasContext *s, arg_r *a) tcg_temp_free_i64(tmp); return true; } + +/* Integer Scalar Move Instruction */ + +static void store_element(TCGv_i64 val, TCGv_ptr base, + int ofs, int sew) +{ + switch (sew) { + case MO_8: + tcg_gen_st8_i64(val, base, ofs); + break; + case MO_16: + tcg_gen_st16_i64(val, base, ofs); + break; + case MO_32: + tcg_gen_st32_i64(val, base, ofs); + break; + case MO_64: + tcg_gen_st_i64(val, base, ofs); + break; + default: + g_assert_not_reached(); + break; + } +} + +/* + * Store vreg[idx] = val. + * The index must be in range of VLMAX. + */ +static void vec_element_storei(DisasContext *s, int vreg, + int idx, TCGv_i64 val) +{ + store_element(val, cpu_env, endian_ofs(s, vreg, idx), s->sew); +} + +/* vmv.s.x vd, rs1 # vd[0] = rs1 */ +static bool trans_vmv_s_x(DisasContext *s, arg_vmv_s_x *a) +{ + if (vext_check_isa_ill(s)) { + /* This instruction ignores LMUL and vector register groups */ + int maxsz = s->vlen >> 3; + TCGv_i64 t1; + TCGLabel *over = gen_new_label(); + + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + tcg_gen_gvec_dup_imm(SEW64, vreg_ofs(s, a->rd), maxsz, maxsz, 0); + if (a->rs1 == 0) { + goto done; + } + + t1 = tcg_temp_new_i64(); + tcg_gen_extu_tl_i64(t1, cpu_gpr[a->rs1]); + vec_element_storei(s, a->rd, 0, t1); + tcg_temp_free_i64(t1); + done: + gen_set_label(over); + return true; + } + return false; +} diff --git a/target/riscv/internals.h b/target/riscv/internals.h index ed2ad7f0f1..96438ac56c 100644 --- a/target/riscv/internals.h +++ b/target/riscv/internals.h @@ -35,4 +35,10 @@ bool riscv_cpu_set_rounding_mode(CPURISCVState *env, uint32_t rm); target_ulong fclass_h(uint64_t frs1); target_ulong fclass_s(uint64_t frs1); target_ulong fclass_d(uint64_t frs1); + +#define SEW8 0 +#define SEW16 1 +#define SEW32 2 +#define SEW64 3 + #endif