From patchwork Wed Jul 1 15:25:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 11636903 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F1BAC618 for ; Wed, 1 Jul 2020 16:49:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B314F2067D for ; Wed, 1 Jul 2020 16:49:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B314F2067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51672 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqfvT-0003DZ-Pu for patchwork-qemu-devel@patchwork.kernel.org; Wed, 01 Jul 2020 12:49:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50232) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqfuo-0002jV-IW; Wed, 01 Jul 2020 12:48:54 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:49629) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqfum-0004uS-ID; Wed, 01 Jul 2020 12:48:54 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.08085367|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.00652819-9.09021e-05-0.993381; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03278; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.HvwlE5b_1593622120; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HvwlE5b_1593622120) by smtp.aliyun-inc.com(10.147.43.230); Thu, 02 Jul 2020 00:48:40 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v12 41/61] target/riscv: vector floating-point merge instructions Date: Wed, 1 Jul 2020 23:25:29 +0800 Message-Id: <20200701152549.1218-42-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 , palmer@dabbelt.com, LIU Zhiwei Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/helper.h | 4 +++ target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvv.inc.c | 38 +++++++++++++++++++++++++ target/riscv/vector_helper.c | 24 ++++++++++++++++ 4 files changed, 68 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index fb744c5ec9..2c3f0a4e0c 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1000,3 +1000,7 @@ DEF_HELPER_6(vmford_vf_d, void, ptr, ptr, i64, ptr, env, i32) DEF_HELPER_5(vfclass_v_h, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vfclass_v_w, void, ptr, ptr, ptr, env, i32) DEF_HELPER_5(vfclass_v_d, void, ptr, ptr, ptr, env, i32) + +DEF_HELPER_6(vfmerge_vfm_h, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vfmerge_vfm_w, void, ptr, ptr, i64, ptr, env, i32) +DEF_HELPER_6(vfmerge_vfm_d, void, ptr, ptr, i64, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 6912eda259..38e7445a16 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -515,6 +515,8 @@ vmfge_vf 011111 . ..... ..... 101 ..... 1010111 @r_vm vmford_vv 011010 . ..... ..... 001 ..... 1010111 @r_vm vmford_vf 011010 . ..... ..... 101 ..... 1010111 @r_vm vfclass_v 100011 . ..... 10000 001 ..... 1010111 @r2_vm +vfmerge_vfm 010111 0 ..... ..... 101 ..... 1010111 @r_vm_0 +vfmv_v_f 010111 1 00000 ..... 101 ..... 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 361bdce654..b6872376ce 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2184,3 +2184,41 @@ GEN_OPFVF_TRANS(vmford_vf, opfvf_cmp_check) /* Vector Floating-Point Classify Instruction */ GEN_OPFV_TRANS(vfclass_v, opfv_check) + +/* Vector Floating-Point Merge Instruction */ +GEN_OPFVF_TRANS(vfmerge_vfm, opfvf_check) + +static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) +{ + if (vext_check_isa_ill(s) && + vext_check_reg(s, a->rd, false) && + (s->sew != 0)) { + + if (s->vl_eq_vlmax) { + tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), + MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); + } else { + TCGv_ptr dest; + TCGv_i32 desc; + uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul); + static gen_helper_vmv_vx * const fns[3] = { + gen_helper_vmv_v_x_h, + gen_helper_vmv_v_x_w, + gen_helper_vmv_v_x_d, + }; + TCGLabel *over = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + + dest = tcg_temp_new_ptr(); + desc = tcg_const_i32(simd_desc(0, s->vlen / 8, data)); + tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd)); + fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + + tcg_temp_free_ptr(dest); + tcg_temp_free_i32(desc); + gen_set_label(over); + } + return true; + } + return false; +} diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 63f08e4554..1d5667f471 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4194,3 +4194,27 @@ RVVCALL(OPIVV1, vfclass_v_d, OP_UU_D, H8, H8, fclass_d) GEN_VEXT_V(vfclass_v_h, 2, 2, clearh) GEN_VEXT_V(vfclass_v_w, 4, 4, clearl) GEN_VEXT_V(vfclass_v_d, 8, 8, clearq) + +/* Vector Floating-Point Merge Instruction */ +#define GEN_VFMERGE_VF(NAME, ETYPE, H, CLEAR_FN) \ +void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t mlen = vext_mlen(desc); \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t esz = sizeof(ETYPE); \ + uint32_t vlmax = vext_maxsz(desc) / esz; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + *((ETYPE *)vd + H(i)) \ + = (!vm && !vext_elem_mask(v0, mlen, i) ? s2 : s1); \ + } \ + CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \ +} + +GEN_VFMERGE_VF(vfmerge_vfm_h, int16_t, H2, clearh) +GEN_VFMERGE_VF(vfmerge_vfm_w, int32_t, H4, clearl) +GEN_VFMERGE_VF(vfmerge_vfm_d, int64_t, H8, clearq)