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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b61ca4c754sm10487946f8f.59.2025.07.21.06.27.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jul 2025 06:27:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1753104450; x=1753709250; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=60MbsbkAK2zpO61hgALxIWvnCBXQLORY/0j3sPXYAtQ=; b=Hj3/tUNADTXx023ExtE/fTWy8eLttOQ5P/gZnxAVYE5tOd37egGbRMCpILDqYIJX0j imBxukQyVF6QtzVTVp42dy+B8BMxYwKa2mk8aBROsKBCKD0MaikUtOqAPBJFlRWTSBa6 ZuOt1c71qMxxrbQPNUSSHKp2G1MTUkkHQqD3jr/CfQT4bnEGT2q6HN1APz8ackJhxfwQ 6iy7I0YaCEXdjdX3bYbXIu9N1FefxpgDylSxBzqBJ9o9h/zcBlgZGcuu7ug+FIOEVfzj g4taKSdI3JscnnkJfTq49vjpccYxCWO+2brvEKAYx10u3MWPIF+c/3ZmTd7ezIe22PAv V+zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753104450; x=1753709250; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=60MbsbkAK2zpO61hgALxIWvnCBXQLORY/0j3sPXYAtQ=; b=IYAcidyYzZjSpVq34rfa/EWFusYbzd09RQBEFWcs8pRIWDZS0LmB0+xuBNjVNFfm6o cCSs4ju98w83LF+wWqKUGReCLXl14W/0NiVjNDYqIbSRH6YB6cfZGHFEC6yTAOaimxAm sRHLL34D0Ah/Jrinpb0SqBXMvE/Tv6BE+Amempp2GlFPMI/H90Uki9tzahi657Kyka00 M+qQkOAwLyoWDCMK7xQqb05oBH1GdZ5i98O/gv6LzoMzoWReEoY7bNTznQU4Yq1FKjLE YuSoNFCq2/qZRRYvBtX5VON0pp71Yml0V6bMyMlm/bLgjn02dU1t5e7fRmlkkbSp3w+e icEA== X-Gm-Message-State: AOJu0YxMO+Z6SxBIiyQ/EaO5qRAXg5aWtsMl0WuaANXzn3UyzUXVl49n 8gXjZ3GLKmPK/dw7Btdsa8gWHxT74dxw0nS9fTUWfsXPpshf67YcNh/yyf40cW5QOXKwDvx0Ggo iWmTP X-Gm-Gg: ASbGncu31GchiT+S4asgHTKajxx+wgQhR/mTRIDolLy+S5qKi1Nq0xfUT6zP+GfBcGW pL9JZkVbXuoADx5paPfNTqMVSEvdW9LvwwDD/6RpmthW5mj2SMRhJe8Jee3q1+L1fah5vXW4TRl BO5I4b2HuGXxkn+rK3rKKDb6P/WSdxW4/SPEFwor2xYt2SfhKDVnkh4Cb1NUbSrkbJ20sEX/mZ9 3jP33KOAH4C990tVIyZ1pWakGFNXJkDH5gXGvNS6udGM0hKYpmPqrrUCKJ2u95NU+N+ISOKgwjZ 8pYGXEE2VzAY/8I/1VfyV6snIhMYxSuUSy9NKetYt4UmNmdLqUaBfF1Xhl+nT3Dbx7z6CEka9Zl 3yayC850n/soi3Nvaa/dj4jaGiurM X-Google-Smtp-Source: AGHT+IHNTASwYuis8daqtfiH7k0MraeyDtAt/CiVufa+XYBmjqLDAAsOXyhcTeqZmqubRJNvR5IMag== X-Received: by 2002:adf:b650:0:b0:3b6:136d:55de with SMTP id ffacd0b85a97d-3b6136d55efmr10206326f8f.7.1753104450422; Mon, 21 Jul 2025 06:27:30 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 11/20] target/arm: Add BFMUL (indexed) Date: Mon, 21 Jul 2025 14:27:08 +0100 Message-ID: <20250721132718.2835729-12-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250721132718.2835729-1-peter.maydell@linaro.org> References: <20250721132718.2835729-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32f.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1753104889516116600 Content-Type: text/plain; charset="utf-8" FEAT_SVE_B16B16 adds a bfloat16 version of the FMUL insn in the floating-point multiply (indexed) instruction group. The encoding is slightly bespoke; in our implementation we use MO_8 to indicate bfloat16, as with the other B16B16 insns. Fixes: 7b1613a1020d2942 ("target/arm: Enable FEAT_SME2p1 on -cpu max") Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20250718173032.2498900-5-peter.maydell@linaro.org --- target/arm/tcg/helper.h | 2 ++ target/arm/tcg/sve.decode | 1 + target/arm/tcg/translate-sve.c | 2 +- target/arm/tcg/vec_helper.c | 1 + 4 files changed, 5 insertions(+), 1 deletion(-) diff --git a/target/arm/tcg/helper.h b/target/arm/tcg/helper.h index d9ca5b7c56e..4da32db9021 100644 --- a/target/arm/tcg/helper.h +++ b/target/arm/tcg/helper.h @@ -823,6 +823,8 @@ DEF_HELPER_FLAGS_5(gvec_ftsmul_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_5(gvec_ftsmul_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, fpst, i32) =20 +DEF_HELPER_FLAGS_5(gvec_fmul_idx_b16, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_5(gvec_fmul_idx_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_5(gvec_fmul_idx_s, TCG_CALL_NO_RWG, diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode index 2efd5f57e45..a76f2236f43 100644 --- a/target/arm/tcg/sve.decode +++ b/target/arm/tcg/sve.decode @@ -1062,6 +1062,7 @@ FMLS_zzxz 01100100 11 1 ..... 000001 ..... ....= . @rrxr_1 esz=3D3 ### SVE FP Multiply Indexed Group =20 # SVE floating-point multiply (indexed) +FMUL_zzx 01100100 0. 1 ..... 001010 ..... ..... @rrx_3 esz=3D0 FMUL_zzx 01100100 0. 1 ..... 001000 ..... ..... @rrx_3 esz=3D1 FMUL_zzx 01100100 10 1 ..... 001000 ..... ..... @rrx_2 esz=3D2 FMUL_zzx 01100100 11 1 ..... 001000 ..... ..... @rrx_1 esz=3D3 diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 27af3df9a4b..918cf6e1bd4 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -3907,7 +3907,7 @@ TRANS_FEAT(FMLS_zzxz, aa64_sve, gen_gvec_fpst_zzzz, */ =20 static gen_helper_gvec_3_ptr * const fmul_idx_fns[4] =3D { - NULL, gen_helper_gvec_fmul_idx_h, + gen_helper_gvec_fmul_idx_b16, gen_helper_gvec_fmul_idx_h, gen_helper_gvec_fmul_idx_s, gen_helper_gvec_fmul_idx_d, }; TRANS_FEAT(FMUL_zzx, aa64_sve, gen_gvec_fpst_zzz, diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c index 76a9ab0da39..33a136b90a6 100644 --- a/target/arm/tcg/vec_helper.c +++ b/target/arm/tcg/vec_helper.c @@ -1785,6 +1785,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, = \ =20 #define nop(N, M, S) (M) =20 +DO_FMUL_IDX(gvec_fmul_idx_b16, nop, bfloat16_mul, float16, H2) DO_FMUL_IDX(gvec_fmul_idx_h, nop, float16_mul, float16, H2) DO_FMUL_IDX(gvec_fmul_idx_s, nop, float32_mul, float32, H4) DO_FMUL_IDX(gvec_fmul_idx_d, nop, float64_mul, float64, H8) --=20 2.43.0