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[121.45.131.89]) by smtp.gmail.com with ESMTPSA id k130-20020a636f88000000b005d32c807296sm3765481pgc.68.2024.01.27.22.49.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 27 Jan 2024 22:49:46 -0800 (PST) Message-ID: Date: Sun, 28 Jan 2024 16:49:42 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/22] target/sparc: floating-point cleanup Content-Language: en-US From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk References: <20231103173841.33651-1-richard.henderson@linaro.org> In-Reply-To: <20231103173841.33651-1-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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, T_SCC_BODY_TEXT_LINE=-0.01 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 11/4/23 03:38, Richard Henderson wrote: > Major changes: > > (1) Get rid of the env->qt[01] temporaries and use TCGv_i128 for float128. > (2) Perform ieee exception check within the helpers, before any writeback > to the floating point registers. > (3) Split env->fsr into pieces to simplify update, especially compares. > > > r~ > > > Based-on: 20231101041132.174501-1-richard.henderson@linaro.org > ("[PATCH v2 00/21] target/sparc: Cleanup condition codes etc") Ping. Prerequisites are upstream, and it rebases cleanly on master. For reference, https://gitlab.com/rth7680/qemu/-/commits/tgt-sparc-fp r~ > > > Richard Henderson (22): > target/sparc: Use tcg_gen_qemu_{ld,st}_i128 for ASI_M_BCOPY > target/sparc: Use tcg_gen_qemu_{ld,st}_i128 for ASI_M_BFILL > target/sparc: Remove gen_dest_fpr_F > target/sparc: Introduce gen_{load,store}_fpr_Q > target/sparc: Inline FNEG, FABS > target/sparc: Use i128 for FSQRTq > target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq > target/sparc: Use i128 for FqTOs, FqTOi > target/sparc: Use i128 for FqTOd, FqTOx > target/sparc: Use i128 for FCMPq, FCMPEq > target/sparc: Use i128 for FsTOq, FiTOq > target/sparc: Use i128 for FdTOq, FxTOq > target/sparc: Use i128 for Fdmulq > target/sparc: Remove qt0, qt1 temporaries > target/sparc: Introduce cpu_get_fsr, cpu_put_fsr > target/split: Split ver from env->fsr > target/sparc: Clear cexc and ftt in do_check_ieee_exceptions > target/sparc: Merge check_ieee_exceptions with FPop helpers > target/sparc: Split cexc and ftt from env->fsr > target/sparc: Remove cpu_fsr > target/sparc: Split fcc out of env->fsr > target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK > > target/sparc/cpu.h | 39 +- > target/sparc/helper.h | 116 ++---- > linux-user/sparc/cpu_loop.c | 2 +- > linux-user/sparc/signal.c | 14 +- > target/sparc/cpu.c | 32 +- > target/sparc/fop_helper.c | 510 +++++++++++++---------- > target/sparc/gdbstub.c | 8 +- > target/sparc/ldst_helper.c | 3 - > target/sparc/machine.c | 38 +- > target/sparc/translate.c | 799 ++++++++++++------------------------ > 10 files changed, 680 insertions(+), 881 deletions(-) >