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Fri, 26 Jun 2026 03:07:39 -0700 (PDT) Received: from draig.lan ([185.124.0.195]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49268fe31b0sm73394545e9.4.2026.06.26.03.07.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2026 03:07:38 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id C34135F867; Fri, 26 Jun 2026 11:07:37 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Richard Henderson Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: Re: [PATCH 00/10] target/arm: Implement FEAT_SME_F8F16 In-Reply-To: <20260625015159.719300-1-richard.henderson@linaro.org> (Richard Henderson's message of "Wed, 24 Jun 2026 18:51:48 -0700") References: <20260625015159.719300-1-richard.henderson@linaro.org> User-Agent: mu4e 1.14.2; emacs 30.1 Date: Fri, 26 Jun 2026 11:07:37 +0100 Message-ID: <87se69haxi.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x330.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=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: qemu development 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 Richard Henderson writes: > Another minor feature working toward SME2.2. This conflicts heavily with master - did a bunch of stuff get merged that broke it? > > r~ > > Richard Henderson (10): > target/arm: Enable FADD/FSUB (half-precision) with FEAT_SME_F8F16 > target/arm: Rename SME FMLAL/FMLSL patterns > target/arm: Implement FMLAL (multiple, multiple and single, FP8 to > FP16) > target/arm: Implement FMLAL (multiple and indexed, FP8 to FP16) > target/arm: Implement FDOT (multiple, multiple and single, FP8 to > FP16) > target/arm: Implement DOT (multiple and indexed, FP8 to FP16) > target/arm: Implement FMOPA (widening, 2-way, FP8 to FP16) > target/arm: Rename FVDOT pattern > target/arm: Implement FVDOT (FP8 to FP16) > target/arm: Enable FEAT_SME_F8F16 for -cpu max > > target/arm/cpu-features.h | 11 +++++ > target/arm/tcg/helper-fp8-defs.h | 2 + > linux-user/aarch64/elfload.c | 1 + > target/arm/tcg/cpu64.c | 1 + > target/arm/tcg/fp8_helper.c | 58 +++++++++++++++++++++++++ > target/arm/tcg/translate-sme.c | 72 +++++++++++++++++++++++--------- > docs/system/arm/emulation.rst | 1 + > target/arm/tcg/sme.decode | 66 +++++++++++++++++++++-------- > 8 files changed, 176 insertions(+), 36 deletions(-) --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro