From patchwork Wed Feb 15 02:05:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 13141219 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A5A2FC05027 for ; Wed, 15 Feb 2023 02:08:26 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pS7Bh-0001VJ-DK; Tue, 14 Feb 2023 21:06:25 -0500 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 1pS7Be-0001Tl-V2; Tue, 14 Feb 2023 21:06:22 -0500 Received: from smtp80.cstnet.cn ([159.226.251.80] helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pS7Bc-0000ED-Um; Tue, 14 Feb 2023 21:06:22 -0500 Received: from localhost.localdomain (unknown [114.95.238.225]) by APP-01 (Coremail) with SMTP id qwCowABXcNT4PexjNkcoBQ--.2339S13; Wed, 15 Feb 2023 10:05:53 +0800 (CST) From: Weiwei Li To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, wangjunqiang@iscas.ac.cn, lazyparser@gmail.com, Weiwei Li Subject: [PATCH v2 11/14] target/riscv: Add support for Zvfh/zvfhmin extensions Date: Wed, 15 Feb 2023 10:05:36 +0800 Message-Id: <20230215020539.4788-12-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230215020539.4788-1-liweiwei@iscas.ac.cn> References: <20230215020539.4788-1-liweiwei@iscas.ac.cn> MIME-Version: 1.0 X-CM-TRANSID: qwCowABXcNT4PexjNkcoBQ--.2339S13 X-Coremail-Antispam: 1UD129KBjvJXoWxGr1xAFyrJw4fJry7Xr4xJFb_yoW5GFWkpw 4xGrW3Crn0vFWfZw4SqF4YyFn0kr4F9a4Ig34kKan5W3y8Grs5ZFyUtw13Kr18try8uFy0 9an0vF43u342vFDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPv14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4U JVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx 0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWU JVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxV A2Y2ka0xkIwI1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r 43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14 v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuY vjfUOBTYUUUUU X-Originating-IP: [114.95.238.225] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.80; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.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, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Zvfh supports vector float point instructions with SEW = 16 and supports conversions between 8-bit integers and binary16 values. Zvfhmin supports vfwcvt.f.f.v and vfncvt.f.f.w instructions. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Daniel Henrique Barboza --- target/riscv/insn_trans/trans_rvv.c.inc | 31 +++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 9053759546..9b2c5c9ac0 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -40,6 +40,7 @@ static bool require_rvf(DisasContext *s) switch (s->sew) { case MO_16: + return s->cfg_ptr->ext_zvfh; case MO_32: return s->cfg_ptr->ext_zve32f; case MO_64: @@ -57,6 +58,25 @@ static bool require_scale_rvf(DisasContext *s) switch (s->sew) { case MO_8: + return s->cfg_ptr->ext_zvfh; + case MO_16: + return s->cfg_ptr->ext_zve32f; + case MO_32: + return s->cfg_ptr->ext_zve64d; + default: + return false; + } +} + +static bool require_scale_rvfmin(DisasContext *s) +{ + if (s->mstatus_fs == 0) { + return false; + } + + switch (s->sew) { + case MO_8: + return s->cfg_ptr->ext_zvfhmin; case MO_16: return s->cfg_ptr->ext_zve32f; case MO_32: @@ -2798,7 +2818,7 @@ static bool opxfv_widen_check(DisasContext *s, arg_rmr *a) static bool opffv_widen_check(DisasContext *s, arg_rmr *a) { return opfv_widen_check(s, a) && - require_scale_rvf(s) && + require_scale_rvfmin(s) && (s->sew != MO_8); } @@ -2909,6 +2929,13 @@ static bool opfxv_narrow_check(DisasContext *s, arg_rmr *a) } static bool opffv_narrow_check(DisasContext *s, arg_rmr *a) +{ + return opfv_narrow_check(s, a) && + require_scale_rvfmin(s) && + (s->sew != MO_8); +} + +static bool opffv_rod_narrow_check(DisasContext *s, arg_rmr *a) { return opfv_narrow_check(s, a) && require_scale_rvf(s) && @@ -2952,7 +2979,7 @@ GEN_OPFV_NARROW_TRANS(vfncvt_f_x_w, opfxv_narrow_check, vfncvt_f_x_w, GEN_OPFV_NARROW_TRANS(vfncvt_f_f_w, opffv_narrow_check, vfncvt_f_f_w, RISCV_FRM_DYN) /* Reuse the helper function from vfncvt.f.f.w */ -GEN_OPFV_NARROW_TRANS(vfncvt_rod_f_f_w, opffv_narrow_check, vfncvt_f_f_w, +GEN_OPFV_NARROW_TRANS(vfncvt_rod_f_f_w, opffv_rod_narrow_check, vfncvt_f_f_w, RISCV_FRM_ROD) static bool opxfv_narrow_check(DisasContext *s, arg_rmr *a)