From nobody Wed Feb 11 02:13:29 2026 Delivered-To: importer@patchew.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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1683203840878385.4562560204391; Thu, 4 May 2023 05:37:20 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1puY7t-0006PO-CA; Thu, 04 May 2023 08:32:03 -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 1puY6K-0005CM-3W for qemu-devel@nongnu.org; Thu, 04 May 2023 08:30:25 -0400 Received: from mail.loongson.cn ([114.242.206.163] helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1puY6C-0003UY-HX for qemu-devel@nongnu.org; Thu, 04 May 2023 08:30:22 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxqOnlpFNkqKAEAA--.7629S3; Thu, 04 May 2023 20:28:21 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx77PapFNk1uxJAA--.5674S21; Thu, 04 May 2023 20:28:20 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn Subject: [PATCH v5 19/44] target/loongarch: Implement vsigncov Date: Thu, 4 May 2023 20:27:45 +0800 Message-Id: <20230504122810.4094787-20-gaosong@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230504122810.4094787-1-gaosong@loongson.cn> References: <20230504122810.4094787-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Cx77PapFNk1uxJAA--.5674S21 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoWxWr1rtr45Zry5ZrW8Xw4rAFb_yoWrKrykpr 12yr17Gay8tFZ3XrnYva15ua1qqrs3Gw42van3K3Z8urZrXFyDZr1kta9FgFW8Xa1kZa40 g3WayryYva9YqwUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b0kFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x 0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCF FI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VCjz48v1sIEY20_WwAm72CE4IkC6x0Yz7 v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv 8VWrMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7 xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUXVWUAwCIc40Y0x0EwIxGrwCI42IY6xII jxv20xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw2 0EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x02 67AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7xRE6wZ7UUUUU== 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; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=loongson.cn 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_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1683203841571100001 Content-Type: text/plain; charset="utf-8" This patch includes: - VSIGNCOV.{B/H/W/D}. Reviewed-by: Richard Henderson Signed-off-by: Song Gao --- target/loongarch/disas.c | 5 ++ target/loongarch/helper.h | 5 ++ target/loongarch/insn_trans/trans_lsx.c.inc | 53 +++++++++++++++++++++ target/loongarch/insns.decode | 5 ++ target/loongarch/lsx_helper.c | 7 +++ 5 files changed, 75 insertions(+) diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c index 412c1cedcb..46e808c321 100644 --- a/target/loongarch/disas.c +++ b/target/loongarch/disas.c @@ -1079,3 +1079,8 @@ INSN_LSX(vexth_hu_bu, vv) INSN_LSX(vexth_wu_hu, vv) INSN_LSX(vexth_du_wu, vv) INSN_LSX(vexth_qu_du, vv) + +INSN_LSX(vsigncov_b, vvv) +INSN_LSX(vsigncov_h, vvv) +INSN_LSX(vsigncov_w, vvv) +INSN_LSX(vsigncov_d, vvv) diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 005988be25..e1e5d58697 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -338,3 +338,8 @@ DEF_HELPER_3(vexth_hu_bu, void, env, i32, i32) DEF_HELPER_3(vexth_wu_hu, void, env, i32, i32) DEF_HELPER_3(vexth_du_wu, void, env, i32, i32) DEF_HELPER_3(vexth_qu_du, void, env, i32, i32) + +DEF_HELPER_FLAGS_4(vsigncov_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(vsigncov_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(vsigncov_w, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(vsigncov_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc b/target/loongarch= /insn_trans/trans_lsx.c.inc index 93ae76bc4c..644917a695 100644 --- a/target/loongarch/insn_trans/trans_lsx.c.inc +++ b/target/loongarch/insn_trans/trans_lsx.c.inc @@ -2814,3 +2814,56 @@ TRANS(vexth_hu_bu, gen_vv, gen_helper_vexth_hu_bu) TRANS(vexth_wu_hu, gen_vv, gen_helper_vexth_wu_hu) TRANS(vexth_du_wu, gen_vv, gen_helper_vexth_du_wu) TRANS(vexth_qu_du, gen_vv, gen_helper_vexth_qu_du) + +static void gen_vsigncov(unsigned vece, TCGv_vec t, TCGv_vec a, TCGv_vec b) +{ + TCGv_vec t1, zero; + + t1 =3D tcg_temp_new_vec_matching(t); + zero =3D tcg_constant_vec_matching(t, vece, 0); + + tcg_gen_neg_vec(vece, t1, b); + tcg_gen_cmpsel_vec(TCG_COND_LT, vece, t, a, zero, t1, b); + tcg_gen_cmpsel_vec(TCG_COND_EQ, vece, t, a, zero, zero, t); +} + +static void do_vsigncov(unsigned vece, uint32_t vd_ofs, uint32_t vj_ofs, + uint32_t vk_ofs, uint32_t oprsz, uint32_t maxsz) +{ + static const TCGOpcode vecop_list[] =3D { + INDEX_op_neg_vec, INDEX_op_cmpsel_vec, 0 + }; + static const GVecGen3 op[4] =3D { + { + .fniv =3D gen_vsigncov, + .fno =3D gen_helper_vsigncov_b, + .opt_opc =3D vecop_list, + .vece =3D MO_8 + }, + { + .fniv =3D gen_vsigncov, + .fno =3D gen_helper_vsigncov_h, + .opt_opc =3D vecop_list, + .vece =3D MO_16 + }, + { + .fniv =3D gen_vsigncov, + .fno =3D gen_helper_vsigncov_w, + .opt_opc =3D vecop_list, + .vece =3D MO_32 + }, + { + .fniv =3D gen_vsigncov, + .fno =3D gen_helper_vsigncov_d, + .opt_opc =3D vecop_list, + .vece =3D MO_64 + }, + }; + + tcg_gen_gvec_3(vd_ofs, vj_ofs, vk_ofs, oprsz, maxsz, &op[vece]); +} + +TRANS(vsigncov_b, gvec_vvv, MO_8, do_vsigncov) +TRANS(vsigncov_h, gvec_vvv, MO_16, do_vsigncov) +TRANS(vsigncov_w, gvec_vvv, MO_32, do_vsigncov) +TRANS(vsigncov_d, gvec_vvv, MO_64, do_vsigncov) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index 39c582d098..4233dd7404 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -778,3 +778,8 @@ vexth_hu_bu 0111 00101001 11101 11100 ..... ..... = @vv vexth_wu_hu 0111 00101001 11101 11101 ..... ..... @vv vexth_du_wu 0111 00101001 11101 11110 ..... ..... @vv vexth_qu_du 0111 00101001 11101 11111 ..... ..... @vv + +vsigncov_b 0111 00010010 11100 ..... ..... ..... @vvv +vsigncov_h 0111 00010010 11101 ..... ..... ..... @vvv +vsigncov_w 0111 00010010 11110 ..... ..... ..... @vvv +vsigncov_d 0111 00010010 11111 ..... ..... ..... @vvv diff --git a/target/loongarch/lsx_helper.c b/target/loongarch/lsx_helper.c index b4582a49d9..408815ea45 100644 --- a/target/loongarch/lsx_helper.c +++ b/target/loongarch/lsx_helper.c @@ -662,3 +662,10 @@ VEXTH(vexth_d_w, 64, D, W) VEXTH(vexth_hu_bu, 16, UH, UB) VEXTH(vexth_wu_hu, 32, UW, UH) VEXTH(vexth_du_wu, 64, UD, UW) + +#define DO_SIGNCOV(a, b) (a =3D=3D 0 ? 0 : a < 0 ? -b : b) + +DO_3OP(vsigncov_b, 8, B, DO_SIGNCOV) +DO_3OP(vsigncov_h, 16, H, DO_SIGNCOV) +DO_3OP(vsigncov_w, 32, W, DO_SIGNCOV) +DO_3OP(vsigncov_d, 64, D, DO_SIGNCOV) --=20 2.31.1