From nobody Tue Feb 10 01:06:15 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 1683253969996734.4346607425778; Thu, 4 May 2023 19:32:49 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pulCO-0005hX-6Q; Thu, 04 May 2023 22:29:32 -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 1pulCL-0005ai-NR for qemu-devel@nongnu.org; Thu, 04 May 2023 22:29:29 -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 1pulCI-0000HN-2v for qemu-devel@nongnu.org; Thu, 04 May 2023 22:29:29 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxFun5aVRk_vcEAA--.8194S3; Fri, 05 May 2023 10:29:13 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Bx8a+2aVRkNw9LAA--.7251S34; Fri, 05 May 2023 10:29:12 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: [PULL 32/45] target/loongarch: Implement vfrstp Date: Fri, 5 May 2023 10:27:53 +0800 Message-Id: <20230505022806.6082-33-gaosong@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230505022806.6082-1-gaosong@loongson.cn> References: <20230505022806.6082-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Bx8a+2aVRkNw9LAA--.7251S34 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoWxZF1fAFyDXry8Xr4DAFyftFb_yoWrZr1kpr W2kryUKr48XrW7Xrnaqa15Aw1UZr4kKw129a1ft34q9w45WFyDXF1vq3ykKa1Yg3ZIqFy0 q3WfC345AFyfZw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU be8Fc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6x kF7I0E14v26r4UJVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020E x4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E74AGY7Cv6cx26rWlOx8S6xCaFV Cjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7VAKI48JMxAIw28IcVCjz48v 1sIEY20_WwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I 0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vIr41lIxAI cVC0I7IYx2IY67AKxVW7JVWDJwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0x vE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWxJVW8Jr1lIxAIcVC2z280 aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7xRE6wZ7UUUUU== 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: 1683253970755100007 Content-Type: text/plain; charset="utf-8" This patch includes: - VFRSTP[I].{B/H}. Acked-by: Richard Henderson Signed-off-by: Song Gao Message-Id: <20230504122810.4094787-33-gaosong@loongson.cn> --- target/loongarch/disas.c | 5 +++ target/loongarch/helper.h | 5 +++ target/loongarch/insn_trans/trans_lsx.c.inc | 5 +++ target/loongarch/insns.decode | 5 +++ target/loongarch/lsx_helper.c | 41 +++++++++++++++++++++ 5 files changed, 61 insertions(+) diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c index 48c7ea47a4..be2bb9cc42 100644 --- a/target/loongarch/disas.c +++ b/target/loongarch/disas.c @@ -1297,3 +1297,8 @@ INSN_LSX(vbitrevi_b, vv_i) INSN_LSX(vbitrevi_h, vv_i) INSN_LSX(vbitrevi_w, vv_i) INSN_LSX(vbitrevi_d, vv_i) + +INSN_LSX(vfrstp_b, vvv) +INSN_LSX(vfrstp_h, vvv) +INSN_LSX(vfrstpi_b, vv_i) +INSN_LSX(vfrstpi_h, vv_i) diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 75120ca55e..2cc235d019 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -512,3 +512,8 @@ DEF_HELPER_FLAGS_4(vbitrevi_b, TCG_CALL_NO_RWG, void, p= tr, ptr, i64, i32) DEF_HELPER_FLAGS_4(vbitrevi_h, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32) DEF_HELPER_FLAGS_4(vbitrevi_w, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32) DEF_HELPER_FLAGS_4(vbitrevi_d, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32) + +DEF_HELPER_4(vfrstp_b, void, env, i32, i32, i32) +DEF_HELPER_4(vfrstp_h, void, env, i32, i32, i32) +DEF_HELPER_4(vfrstpi_b, void, env, i32, i32, i32) +DEF_HELPER_4(vfrstpi_h, void, env, i32, i32, i32) diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc b/target/loongarch= /insn_trans/trans_lsx.c.inc index 86243b54ba..ee84a5a4ee 100644 --- a/target/loongarch/insn_trans/trans_lsx.c.inc +++ b/target/loongarch/insn_trans/trans_lsx.c.inc @@ -3416,3 +3416,8 @@ TRANS(vbitrevi_b, gvec_vv_i, MO_8, do_vbitrevi) TRANS(vbitrevi_h, gvec_vv_i, MO_16, do_vbitrevi) TRANS(vbitrevi_w, gvec_vv_i, MO_32, do_vbitrevi) TRANS(vbitrevi_d, gvec_vv_i, MO_64, do_vbitrevi) + +TRANS(vfrstp_b, gen_vvv, gen_helper_vfrstp_b) +TRANS(vfrstp_h, gen_vvv, gen_helper_vfrstp_h) +TRANS(vfrstpi_b, gen_vv_i, gen_helper_vfrstpi_b) +TRANS(vfrstpi_h, gen_vv_i, gen_helper_vfrstpi_h) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index 801c97714e..4cb286ffe5 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -998,3 +998,8 @@ vbitrevi_b 0111 00110001 10000 01 ... ..... .....= @vv_ui3 vbitrevi_h 0111 00110001 10000 1 .... ..... ..... @vv_ui4 vbitrevi_w 0111 00110001 10001 ..... ..... ..... @vv_ui5 vbitrevi_d 0111 00110001 1001 ...... ..... ..... @vv_ui6 + +vfrstp_b 0111 00010010 10110 ..... ..... ..... @vvv +vfrstp_h 0111 00010010 10111 ..... ..... ..... @vvv +vfrstpi_b 0111 00101001 10100 ..... ..... ..... @vv_ui5 +vfrstpi_h 0111 00101001 10101 ..... ..... ..... @vv_ui5 diff --git a/target/loongarch/lsx_helper.c b/target/loongarch/lsx_helper.c index f160abfd8e..ad0d2dbe87 100644 --- a/target/loongarch/lsx_helper.c +++ b/target/loongarch/lsx_helper.c @@ -2019,3 +2019,44 @@ DO_BITI(vbitrevi_b, 8, UB, DO_BITREV) DO_BITI(vbitrevi_h, 16, UH, DO_BITREV) DO_BITI(vbitrevi_w, 32, UW, DO_BITREV) DO_BITI(vbitrevi_d, 64, UD, DO_BITREV) + +#define VFRSTP(NAME, BIT, MASK, E) \ +void HELPER(NAME)(CPULoongArchState *env, \ + uint32_t vd, uint32_t vj, uint32_t vk) \ +{ \ + int i, m; \ + VReg *Vd =3D &(env->fpr[vd].vreg); \ + VReg *Vj =3D &(env->fpr[vj].vreg); \ + VReg *Vk =3D &(env->fpr[vk].vreg); \ + \ + for (i =3D 0; i < LSX_LEN/BIT; i++) { \ + if (Vj->E(i) < 0) { \ + break; \ + } \ + } \ + m =3D Vk->E(0) & MASK; \ + Vd->E(m) =3D i; \ +} + +VFRSTP(vfrstp_b, 8, 0xf, B) +VFRSTP(vfrstp_h, 16, 0x7, H) + +#define VFRSTPI(NAME, BIT, E) \ +void HELPER(NAME)(CPULoongArchState *env, \ + uint32_t vd, uint32_t vj, uint32_t imm) \ +{ \ + int i, m; \ + VReg *Vd =3D &(env->fpr[vd].vreg); \ + VReg *Vj =3D &(env->fpr[vj].vreg); \ + \ + for (i =3D 0; i < LSX_LEN/BIT; i++) { \ + if (Vj->E(i) < 0) { \ + break; \ + } \ + } \ + m =3D imm % (LSX_LEN/BIT); \ + Vd->E(m) =3D i; \ +} + +VFRSTPI(vfrstpi_b, 8, B) +VFRSTPI(vfrstpi_h, 16, H) --=20 2.31.1