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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id x83sm5939316pfc.219.2021.04.18.23.03.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Apr 2021 23:03:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id; bh=41vtdKBbxUOFhp4p6eMdPTd6SyBd/ck8tNGb28KQNqA=; b=P2Gkq3xhnvboohiN8KLkgPCBjn7OcNZAFRh//o+L9FznXn1cdOAVgmfkbcKE3vHrqD B6tXfTb37wQlthGc8A97w9L2YN2679g0jXyje/W5CR+iy3Q+ufWpjkQD7OVOUEl3Xj+I 3+u5X3r403quYcL6BJqr8IePmHYtvOUaDVEgrBiQU7CDfjPctdkUzT8Fi6ZbqwnAMyRc Hy2mxPFtArNMnUEh9QYMCZxAzDZ5u4Skz3rM1oF3alEqEWK6Bt0z52C3yrQBeswiRzud lfiP2KEq2H4gJDfCPp3PlkvWe2KjAl7Q8Hs/MWvO2zzeOl/NUBtoBE4yBFNpEUAay5gd M3nQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=41vtdKBbxUOFhp4p6eMdPTd6SyBd/ck8tNGb28KQNqA=; b=XJbWPSbN3zedfYqEun2KhSyFXgoqIxUEAtUhUZ/AC+QdE7brMHtYo664V9Iuth0B2l t/bwUAMw96Ti+WWlKUowaF6mrHSF/ZFmoLqVBFe9nkAvKAGDw4AFCkaXa60j3ugQOMio vAJaCSdxRUUIyWY4h/bsHE1nMXBd21rWhJQ5iKHTIZ78VW2f268qH3FqEvfE55mutFv8 SFi2KYuqXFBGNKSTjXXPMdSFIS/bFN3d+sbKkUV7UNGEt4Hxtp5ohkuzG+d1OFfqAVNK 9XTo9uhx9s9W0JIfpOMwmYYDC9VNyMYdI8LabtE6/yaUyejrF/2NWspeYb766TQ2ubWW nnjg== X-Gm-Message-State: AOAM5328TJSl/+SbfoAZjnOAErSIxV/M9jcBWQNqbC337RxpLGXpd+VS gg9EsLh5AR6ebduFSalHp0UiqOPT326vYuKc X-Google-Smtp-Source: ABdhPJxII5Btbdx5IEaOpeI/n42ng91b4o41UUzoPvPPyEVHZJi36SBc36osMUZ/DyJ5M+RuCrjFeA== X-Received: by 2002:a17:902:edd5:b029:e9:7477:5f0a with SMTP id q21-20020a170902edd5b02900e974775f0amr20915755plk.81.1618812186128; Sun, 18 Apr 2021 23:03:06 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH] target/riscv: fix vrgather macro index variable type bug Date: Mon, 19 Apr 2021 14:03:01 +0800 Message-Id: <20210419060302.14075-1-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 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=2607:f8b0:4864:20::630; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x630.google.com 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_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang ETYPE may be type of uint64_t, thus index variable has to be declared as type of uint64_t, too. Otherwise the value read from vs1 register may be truncated to type of uint32_t. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/vector_helper.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index a156573d281..4a70776af32 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4796,7 +4796,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void= *vs2, \ uint32_t vlmax =3D env_archcpu(env)->cfg.vlen / mlen; = \ uint32_t vm =3D vext_vm(desc); = \ uint32_t vl =3D env->vl; = \ - uint32_t index, i; \ + uint64_t index; \ + uint32_t i; \ \ for (i =3D 0; i < vl; i++) { = \ if (!vm && !vext_elem_mask(v0, mlen, i)) { \ @@ -4826,7 +4827,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1= , void *vs2, \ uint32_t vlmax =3D env_archcpu(env)->cfg.vlen / mlen; = \ uint32_t vm =3D vext_vm(desc); = \ uint32_t vl =3D env->vl; = \ - uint32_t index =3D s1, i; = \ + uint64_t index =3D s1; = \ + uint32_t i; \ \ for (i =3D 0; i < vl; i++) { = \ if (!vm && !vext_elem_mask(v0, mlen, i)) { \ --=20 2.17.1