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[174.21.149.226]) by smtp.gmail.com with ESMTPSA id v127sm3572197pfv.77.2020.04.23.16.13.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Apr 2020 16:13:29 -0700 (PDT) Subject: Re: [PATCH v2 13/36] tcg: Use tcg_constant_{i32,i64} with tcg int expanders To: =?UTF-8?Q?Alex_Benn=c3=a9e?= References: <20200422011722.13287-1-richard.henderson@linaro.org> <20200422011722.13287-14-richard.henderson@linaro.org> <87ftcvb82k.fsf@linaro.org> From: Richard Henderson Message-ID: Date: Thu, 23 Apr 2020 16:13:27 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <87ftcvb82k.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::643; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x643.google.com X-detected-operating-system: by eggs.gnu.org: Error: [-] PROGRAM ABORT : Malformed IPv6 address (bad octet value). Location : parse_addr6(), p0f-client.c:67 X-Received-From: 2607:f8b0:4864:20::643 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/22/20 1:04 PM, Alex Bennée wrote: > > Richard Henderson writes: > >> Signed-off-by: Richard Henderson > > We have a regression. Setting up a build dir with: > > ../../configure --disable-tools --disable-docs --target-list=sparc-softmmu,sparc64-softmmu > make -j30 && make check-acceptance > > And then running a bisect between HEAD and master: > > git bisect run /bin/sh -c "cd builds/bisect && make -j30 && ./tests/venv/bin/avocado run ./tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_sparc_ss20" > > Fingers: > > a4d42b76dd29818e4f393c4c3eb59601b0015b2f is the first bad commit > commit a4d42b76dd29818e4f393c4c3eb59601b0015b2f > Author: Richard Henderson > Date: Tue Apr 21 18:16:59 2020 -0700 > > tcg: Use tcg_constant_{i32,i64} with tcg int expanders > > Signed-off-by: Richard Henderson > Message-Id: <20200422011722.13287-14-richard.henderson@linaro.org> Ho hum. I can reproduce this, but after a day of debugging I'm no closer to figuring out what's wrong than when I started. I'm going to put this whole section of TEMP_CONST to the side for now. r~