From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by sourceware.org (Postfix) with ESMTPS id 2A16F3858D28 for ; Wed, 30 Aug 2023 03:21:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2A16F3858D28 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=ventanamicro.com Received: by mail-ed1-x52e.google.com with SMTP id 4fb4d7f45d1cf-529c706ba0aso1622168a12.0 for ; Tue, 29 Aug 2023 20:21:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1693365698; x=1693970498; darn=sourceware.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=jboNtTOLKt+ti3jQkRpyNdXEdf+vcUxbXMP6uhz1VwM=; b=BSCOQCGgBk6T0BOPZ7G9JcCsDarQGN2eWU6/zLq+d/3RnR9jFDkWasMDuTg9TJ0x7z xp+TH3k14QRdlKpNYAD6tgNCkW0CgdyipDxDrp5KG4YEBaNlRc/Lnng2hpkY5REcTX5J kXyNmM7lc7jckm164PSsPRuhhoyE8VSmJ8Reg2lYHnPGfZ/KJ3X3Mf1qvH2oNKHyEJYj 0gI6oD2hBzifOxwmGiMTR5q9Du+lodSt544KvSf3aafAWADVZD9V4xxnrf4Me5eOzkh8 0xklF3x0zlgQWbrgUCOLZZTe3H2KHKg0vtRavjML3X4xtR95mLS0Mrgo+iLgGCLZnGWK h9Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693365698; x=1693970498; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=jboNtTOLKt+ti3jQkRpyNdXEdf+vcUxbXMP6uhz1VwM=; b=BBDurdEeCKXpdL88kJ0uedVuHrYdG4xICmG/IAOb842AKhBWoeVrJWGeKTzfiP4jsL +WmSnSIqqpId4JmzrSaPIeONTCb/bAd9EVcFSYN0B6CiZrdLCGGfaWJ4Fn4QTMxo8VjE KhasuEam4DaMtvWWj9tlZD5g6eNsQLPLvFBN57HAp7CCEt130lHBMzOBrqEjrvGEBy77 EQF1HCbQIylCyNDSkkW+/FGJm9kZpJoUYiZp8QlztE9zl2PGe/cBe6LvupyvxpvBfh7L wgPpFZEXGAdU8rnvBDGmklmot3wAESqvOStyiJhzshA8ZEkd1BX1idcpDYernhySoRb/ ivGw== X-Gm-Message-State: AOJu0Yy+7b9dw8jxyejk3S13wKxEjsiOwE7Z0n2Z9DGFnvOAUkATOEI5 qw0LB9Yu9RDlfopbq/w8gMEg/h7IrZm8LyUpboLPtA== X-Google-Smtp-Source: AGHT+IFQa2F65pJgwPcuWdfFLmUZZHUyogt52FXfRRC0UEj9wuX91bz/hgGd/IihjCSzNl6L5q9dXsUay/BFgB/p+0E= X-Received: by 2002:a05:6402:348c:b0:523:100b:839a with SMTP id v12-20020a056402348c00b00523100b839amr891495edc.0.1693365697870; Tue, 29 Aug 2023 20:21:37 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Greg Favor Date: Tue, 29 Aug 2023 20:21:26 -0700 Message-ID: Subject: Re: [PATCH 0/1] RISC-V: Make XVentanaCondOps RV64 only To: Tsukasa OI Cc: Palmer Dabbelt , Andrew Waterman , Jim Wilson , Nelson Chu , Kito Cheng , Jeff Law , binutils@sourceware.org Content-Type: multipart/alternative; boundary="000000000000e5909806041b6c3a" X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --000000000000e5909806041b6c3a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Aug 29, 2023 at 6:38=E2=80=AFPM Tsukasa OI wrote: > Unless Ventana is working on some RV32 processors (and soon to be released > ), I think disabling XVentanaCondOps instructions on RV32 would be safer > (to prevent possible misuses). I would like to hear thoughts especially > from Ventana employees since I am just a volunteer. > Representing Ventana, what you say is correct, i.e. we have no plans to do RV32 processors. Greg > I also chose not to reject XVentanaCondOps + RV32 because it is not stated > that is illegal (unlike Zcf + RV64). This patch set makes XVentanaCondOps > + RV32 empty (yet legal). > --000000000000e5909806041b6c3a--