From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1kC51H-0002Mc-Rl for mharc-qemu-riscv@gnu.org; Sat, 29 Aug 2020 13:52:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41998) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC51G-0002Jy-7i for qemu-riscv@nongnu.org; Sat, 29 Aug 2020 13:52:02 -0400 Received: from mail-pj1-x1034.google.com ([2607:f8b0:4864:20::1034]:37110) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC51E-0007pK-Mt for qemu-riscv@nongnu.org; Sat, 29 Aug 2020 13:52:01 -0400 Received: by mail-pj1-x1034.google.com with SMTP id mw10so981180pjb.2 for ; Sat, 29 Aug 2020 10:52:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=BQk2gspOzA7zjipUzoc5tLshVhifeIx1yplsJ98tnb4=; b=feo4+IRwwkxhSabEuF1ZeVCtxBz/LRZp2n4HowitJ29Pcmxk+TNkItoKBAO7kmjxm+ GOk1YDB5yH+2leSCJCkdCWFQo2qjm8fUu4nF0Dxd3/mGpjXvK9XB6+czyeBNGrKQ6lR+ d2SQvXDx7s8Nn5ypCKKM4QjO6OutMAIAv75hQUoemVstQKBest6sKiaSKZUSNIuOnqJe DyUMsPCLxnlHBJXlu0OpXqFL0WuWbn+BW2LceCE/4TU9pGGC9649k1en/xR6FYDDBuxB tOyQc7XIbJiVMWexTWAnaMnI5NtNZoKgq0/tVeGxPy/QhO+zmEaVshLq1URrlASQHA8I 2zrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=BQk2gspOzA7zjipUzoc5tLshVhifeIx1yplsJ98tnb4=; b=f43EP9lB0doueUfcCUkq9WrrKFI6YW0adWo35sUk/AgHwBF6QT3sfqeDqLnbE7/260 4Q+cblCW1/vRjGmT+tAfit5/q7idqzaSjBEmOrECAVrgwriaDoCHPQ1Yd99hF/AsyGu3 jRGlibPeGRsCHd2EO0L0uoqEWKEDCFVk6aeJyAF8rWKzkMEu5HJF7502ekIYAFTQ/wcs M82EzEigoNX7R37J0gH6w1sf0nSz1QCruXCADOk4bCW6T7NTTodxcYMmW6NDoPivMlxq iM217BHEfMKAOpQAOMt60x/TtWnXX2GBqoWnSVNMLBo3GtOmd0kGvqYEjyO2mi7cb+kF l8WA== X-Gm-Message-State: AOAM530AgUHkR/ACZBiRl3ovQ35B73ixI/3ZewHUA29rXZZvdNd0uFd1 GkjpVLGLIgnSweM3+cjavPE/cw== X-Google-Smtp-Source: ABdhPJyKI4PwDXtrMksjus4Peg1tsemT9r5tZG8cJY2XHuKmRbccYAB43zzGcl5nRDU0dHfr4XusYA== X-Received: by 2002:a17:90a:4541:: with SMTP id r1mr3835691pjm.88.1598723519165; Sat, 29 Aug 2020 10:51:59 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id kb3sm2453767pjb.41.2020.08.29.10.51.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 10:51:58 -0700 (PDT) Subject: Re: [RFC v4 15/70] target/riscv: introduce more imm value modes in translator functions To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-16-frank.chang@sifive.com> From: Richard Henderson Message-ID: <073f361b-c58c-c938-183d-eba5cbd3d259@linaro.org> Date: Sat, 29 Aug 2020 10:51:56 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200817084955.28793-16-frank.chang@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1034.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 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, NICE_REPLY_A=-0.809, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Aug 2020 17:52:02 -0000 On 8/17/20 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > Immediate value in translator function is extended not only > zero-extended and sign-extended but with more modes to be applicable > with multiple formats of vector instructions. > > * IMM_ZX: Zero-extended > * IMM_SX: Sign-extended > * IMM_TRUNC_SEW: Truncate to log(SEW) bit > * IMM_TRUNC_2SEW: Truncate to log(2*SEW) bit > > Signed-off-by: Frank Chang > --- > target/riscv/insn_trans/trans_rvv.inc.c | 115 ++++++++++++++---------- > 1 file changed, 66 insertions(+), 49 deletions(-) Reviewed-by: Richard Henderson r~