From nobody Mon Nov 25 05:54:46 2024 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 1717806940462346.7712693815798; Fri, 7 Jun 2024 17:35:40 -0700 (PDT) Received: from [::1] (helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sFf5T-0003SO-SG; Fri, 07 Jun 2024 15:17:19 -0400 Received: from [2001:470:142:3::10] (helo=eggs.gnu.org) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sFf5R-0003BU-Mb; Fri, 07 Jun 2024 15:17:17 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sFf5P-00033G-Sx; Fri, 07 Jun 2024 15:17:17 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 78F176E56A; Fri, 7 Jun 2024 22:14:54 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 9908AE2763; Fri, 7 Jun 2024 22:13:59 +0300 (MSK) Received: (nullmailer pid 529456 invoked by uid 1000); Fri, 07 Jun 2024 19:13:58 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Max Chou , Daniel Henrique Barboza , Alistair Francis , Michael Tokarev Subject: [Stable-9.0.1 60/71] target/riscv: rvv: Remove redudant SEW checking for vector fp narrow/widen instructions Date: Fri, 7 Jun 2024 22:13:41 +0300 Message-Id: <20240607191356.529336-16-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=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: 1717806941199100001 Content-Type: text/plain; charset="utf-8" From: Max Chou If the checking functions check both the single and double width operators at the same time, then the single width operator checking functions (require_rvf[min]) will check whether the SEW is 8. Signed-off-by: Max Chou Reviewed-by: Daniel Henrique Barboza Cc: qemu-stable Message-ID: <20240322092600.1198921-5-max.chou@sifive.com> Signed-off-by: Alistair Francis (cherry picked from commit 93cb52b7a3ccc64e8d28813324818edae07e21d5) Signed-off-by: Michael Tokarev diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index 19059fea5f..08c22f48cb 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2333,7 +2333,6 @@ static bool opfvv_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm); } @@ -2373,7 +2372,6 @@ static bool opfvf_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_ds(s, a->rd, a->rs2, a->vm); } @@ -2406,7 +2404,6 @@ static bool opfwv_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm); } @@ -2446,7 +2443,6 @@ static bool opfwf_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dd(s, a->rd, a->rs2, a->vm); } @@ -2704,8 +2700,7 @@ static bool opffv_widen_check(DisasContext *s, arg_rm= r *a) { return opfv_widen_check(s, a) && require_rvfmin(s) && - require_scale_rvfmin(s) && - (s->sew !=3D MO_8); + require_scale_rvfmin(s); } =20 #define GEN_OPFV_WIDEN_TRANS(NAME, CHECK, HELPER, FRM) \ @@ -2810,16 +2805,14 @@ static bool opffv_narrow_check(DisasContext *s, arg= _rmr *a) { return opfv_narrow_check(s, a) && require_rvfmin(s) && - require_scale_rvfmin(s) && - (s->sew !=3D MO_8); + require_scale_rvfmin(s); } =20 static bool opffv_rod_narrow_check(DisasContext *s, arg_rmr *a) { return opfv_narrow_check(s, a) && require_rvf(s) && - require_scale_rvf(s) && - (s->sew !=3D MO_8); + require_scale_rvf(s); } =20 #define GEN_OPFV_NARROW_TRANS(NAME, CHECK, HELPER, FRM) \ @@ -2947,8 +2940,7 @@ static bool freduction_widen_check(DisasContext *s, a= rg_rmrr *a) { return reduction_widen_check(s, a) && require_rvf(s) && - require_scale_rvf(s) && - (s->sew !=3D MO_8); + require_scale_rvf(s); } =20 GEN_OPFVV_WIDEN_TRANS(vfwredusum_vs, freduction_widen_check) --=20 2.39.2