From nobody Tue Feb 10 10:20:08 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1585589854; cv=none; d=zohomail.com; s=zohoarc; b=IFY4CzD99vxs26PZzYtz05XhjNDeuAslt1lZ2Nwq6MXv06Qjo6Lqac+EoFId6GKbwAiLRoL9JCWIGORmz2B0c0JD+z8YVbWssGJZ1FcEH0aenzvLCEk/ZYWA+HRMyvWMQy7J84FtqmqFtkTmMKSrymO56R97DpC19P0uvaiODRg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1585589854; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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Mon, 30 Mar 2020 13:29:46 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:42120) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jIyEL-000305-EB; Mon, 30 Mar 2020 13:29:45 -0400 Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.H7m.UWc_1585589378) by smtp.aliyun-inc.com(10.147.41.199); Tue, 31 Mar 2020 01:29:39 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1479593|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.0304012-0.000415615-0.969183; FP=0|0|0|0|0|-1|-1|-1; HT=e01a16370; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=10; RT=10; SR=0; TI=SMTPD_---.H7m.UWc_1585589378; From: LIU Zhiwei To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v7 56/61] target/riscv: integer scalar move instruction Date: Mon, 30 Mar 2020 23:36:28 +0800 Message-Id: <20200330153633.15298-57-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200330153633.15298-1-zhiwei_liu@c-sky.com> References: <20200330153633.15298-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 121.197.200.217 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: guoren@linux.alibaba.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Signed-off-by: LIU Zhiwei Reviewed-by: Richard Henderson --- target/riscv/insn32.decode | 1 + target/riscv/insn_trans/trans_rvv.inc.c | 60 +++++++++++++++++++++++++ 2 files changed, 61 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 =20 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_tr= ans/trans_rvv.inc.c index 1bd4fa99ff..61c46e4c1c 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2664,3 +2664,63 @@ 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] =3D 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] =3D 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 =3D s->vlen >> 3; + TCGv_i64 t1; + TCGLabel *over =3D gen_new_label(); + + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + tcg_gen_gvec_dup64i(vreg_ofs(s, a->rd), maxsz, maxsz, 0); + if (a->rs1 =3D=3D 0) { + goto done; + } + + t1 =3D 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; +} --=20 2.23.0