From nobody Sun Sep 28 16:34:26 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1758698826; cv=none; d=zohomail.com; s=zohoarc; b=BcrlgjyEHUN7YgKmS1Ym4mbEDjUZ9jpKiv7h3hspmbjbZQaYM+lxz/h0qODMH5repxtLRzzmxVxlpKNhqf+FvJZtzdHMLibARcqKscdjJUYQBGfLB2V/toNOFKzS0lKLEyW/yq9l0hXPjWiFC9Pguyvth6LtpmwKKNTBeddYMnQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758698826; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=cI2azNyj5+/HhtG+7BoWAyB5BJbSzPZh8toaKt9cr70=; b=XjFBMR2dV1oTCS6k+XinfLtCh80L3A7Apu7lANr4dCNs4CDnbRxyElEe7yAmzrhGPg2nXArnNdZdm2J4VdDKSjzLK0GxPDlr1IobdpQXXaUSwf0eejGKtXp9SfqeNnjkVUpLiy6JEoV7twP/RuyxZ5qeC2Ybam0Qonvyf+2O25g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758698826677228.6877552892297; Wed, 24 Sep 2025 00:27:06 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v1JnR-0005en-Ux; Wed, 24 Sep 2025 03:20:14 -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 1v1JnQ-0005e6-6R for qemu-devel@nongnu.org; Wed, 24 Sep 2025 03:20:12 -0400 Received: from rev.ng ([94.130.142.21]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1JnF-0003R7-9u for qemu-devel@nongnu.org; Wed, 24 Sep 2025 03:20:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive:List-Unsubscribe:List-Unsubscribe-Post: List-Help; bh=cI2azNyj5+/HhtG+7BoWAyB5BJbSzPZh8toaKt9cr70=; b=s96bPDP3ibYXoF8 8RYN8yq0jaT4fyKrhuaRx/ut1MEumSgyvkgnww6puulreBmwk4QIK6AWFhhFh8gBtmZChKcEyo3pq ptuzyQjZ+EpuXwoCp8K/Zk729uOMsxg9TQZ9M7tlCmO+QDHbh3d4WaycwTLCq1I7vnu3x/z+3Sr3a Sw=; To: qemu-devel@nongnu.org Cc: pierrick.bouvier@linaro.org, philmd@linaro.org, alistair.francis@wdc.com, palmer@dabbelt.com Subject: [RFC PATCH 17/34] target/riscv: Fix size of retxh Date: Wed, 24 Sep 2025 09:21:07 +0200 Message-ID: <20250924072124.6493-18-anjo@rev.ng> In-Reply-To: <20250924072124.6493-1-anjo@rev.ng> References: <20250924072124.6493-1-anjo@rev.ng> 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=94.130.142.21; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: , Reply-to: Anton Johansson From: Anton Johansson via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1758698828707116601 Content-Type: text/plain; charset="utf-8" 128-bit helpers only make sense for MXL_RV128, TARGET_RISCV64, and TCGv =3D=3D TCGv_i64, therefore fix retxh to 64 bits. For the sake of being pedandic, update 128-bit instructions to access retxh via 64 bit TCG ops, even if they only make sense when TCGv =3D=3D TCGv_i64. Signed-off-by: Anton Johansson --- target/riscv/cpu.h | 2 +- target/riscv/insn_trans/trans_rvi.c.inc | 8 ++++++-- target/riscv/insn_trans/trans_rvm.c.inc | 16 ++++++++++++---- 3 files changed, 19 insertions(+), 7 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 0f43887c74..ffc2c1b424 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -248,7 +248,7 @@ struct CPUArchState { uint32_t xl; /* current xlen */ =20 /* 128-bit helpers upper part return value */ - target_ulong retxh; + uint64_t retxh; =20 uint64_t jvt; =20 diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_tr= ans/trans_rvi.c.inc index b9c7160468..9c8c04b2dc 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -1012,10 +1012,12 @@ static bool do_csrr_i128(DisasContext *ctx, int rd,= int rc) TCGv destl =3D dest_gpr(ctx, rd); TCGv desth =3D dest_gprh(ctx, rd); TCGv_i32 csr =3D tcg_constant_i32(rc); + TCGv_i64 wide_desth =3D tcg_temp_new_i64(); =20 translator_io_start(&ctx->base); gen_helper_csrr_i128(destl, tcg_env, csr); - tcg_gen_ld_tl(desth, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_desth, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(desth, wide_desth); gen_set_gpr128(ctx, rd, destl, desth); return do_csr_post(ctx); } @@ -1035,10 +1037,12 @@ static bool do_csrrw_i128(DisasContext *ctx, int rd= , int rc, TCGv destl =3D dest_gpr(ctx, rd); TCGv desth =3D dest_gprh(ctx, rd); TCGv_i32 csr =3D tcg_constant_i32(rc); + TCGv_i64 wide_desth =3D tcg_temp_new_i64(); =20 translator_io_start(&ctx->base); gen_helper_csrrw_i128(destl, tcg_env, csr, srcl, srch, maskl, maskh); - tcg_gen_ld_tl(desth, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_desth, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(desth, wide_desth); gen_set_gpr128(ctx, rd, destl, desth); return do_csr_post(ctx); } diff --git a/target/riscv/insn_trans/trans_rvm.c.inc b/target/riscv/insn_tr= ans/trans_rvm.c.inc index 795f0ccf14..0e2da5bed2 100644 --- a/target/riscv/insn_trans/trans_rvm.c.inc +++ b/target/riscv/insn_trans/trans_rvm.c.inc @@ -169,8 +169,10 @@ static bool trans_mulhu(DisasContext *ctx, arg_mulhu *= a) static void gen_div_i128(TCGv rdl, TCGv rdh, TCGv rs1l, TCGv rs1h, TCGv rs2l, TCGv rs2h) { + TCGv_i64 wide_rdh =3D tcg_temp_new_i64(); gen_helper_divs_i128(rdl, tcg_env, rs1l, rs1h, rs2l, rs2h); - tcg_gen_ld_tl(rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(rdh, wide_rdh); } =20 static void gen_div(TCGv ret, TCGv source1, TCGv source2) @@ -212,8 +214,10 @@ static bool trans_div(DisasContext *ctx, arg_div *a) static void gen_divu_i128(TCGv rdl, TCGv rdh, TCGv rs1l, TCGv rs1h, TCGv rs2l, TCGv rs2h) { + TCGv_i64 wide_rdh =3D tcg_temp_new_i64(); gen_helper_divu_i128(rdl, tcg_env, rs1l, rs1h, rs2l, rs2h); - tcg_gen_ld_tl(rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(rdh, wide_rdh); } =20 static void gen_divu(TCGv ret, TCGv source1, TCGv source2) @@ -244,8 +248,10 @@ static bool trans_divu(DisasContext *ctx, arg_divu *a) static void gen_rem_i128(TCGv rdl, TCGv rdh, TCGv rs1l, TCGv rs1h, TCGv rs2l, TCGv rs2h) { + TCGv_i64 wide_rdh =3D tcg_temp_new_i64(); gen_helper_rems_i128(rdl, tcg_env, rs1l, rs1h, rs2l, rs2h); - tcg_gen_ld_tl(rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(rdh, wide_rdh); } =20 static void gen_rem(TCGv ret, TCGv source1, TCGv source2) @@ -289,8 +295,10 @@ static bool trans_rem(DisasContext *ctx, arg_rem *a) static void gen_remu_i128(TCGv rdl, TCGv rdh, TCGv rs1l, TCGv rs1h, TCGv rs2l, TCGv rs2h) { + TCGv_i64 wide_rdh =3D tcg_temp_new_i64(); gen_helper_remu_i128(rdl, tcg_env, rs1l, rs1h, rs2l, rs2h); - tcg_gen_ld_tl(rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_ld_i64(wide_rdh, tcg_env, offsetof(CPURISCVState, retxh)); + tcg_gen_trunc_i64_tl(rdh, wide_rdh); } =20 static void gen_remu(TCGv ret, TCGv source1, TCGv source2) --=20 2.51.0