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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b61ca25443sm2454655f8f.9.2025.07.18.10.30.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Jul 2025 10:30:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1752859839; x=1753464639; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jgkKA7jFLUhvg4OYYIjmQGp+3jhrWVpDQ9M3g3VK3l8=; b=lpoefUY8l/3UXGevDvBZZcBVreyO2Xa8kB5KHscI0J8PkIyn71+YfbRe/EffPGKnpj ZP5Wta9JstARHJE8V3GcdBXq8tU58QlvpRptRanbexZ7ox/Uigso4cWuVlqM2F8RRy1p enzGWtz1Y/tfU+VhlsRzjfhtAuuszKCC3oM2IYs9JPg5SGcTxL0rHrA310fht/sQ6eEr YBv5LCmyhwD4Gcsm+ElprOc5fDDhlj4NsHV1Vi3+EMl4D5qeB9AFHpkFJira4YWHGlmK wCMtyLAXKXbnwK7u1aXnI3WsBQNeq5edheUhetx+NHAw+kGAd6Fg+lAAvLWqRfp7szpl +N6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752859839; x=1753464639; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jgkKA7jFLUhvg4OYYIjmQGp+3jhrWVpDQ9M3g3VK3l8=; b=c5IkAYUEs81dTBan2M6J1p3NHukqzxsxAMD1YjTyOqFHQ0yf2m/3L3eFayMuyzdT8i s1/VQ9leDciDZA+YEDNRhKZcojySyWRWRh7qEns4gFmLSSSX3rlMHEVNVrWolHVyRW0e mLJaDK+00QKSMLv2Uo55uiVlFz72/q9Q4Zsbr7TCgNnfiFnZP/YkrUFkD7pyVG5ACWS5 2yTS1P8iUNNyS1JF3hdfXqgWa5m2g4q65FNVf7JrufMEsTG+jx/hNidKPDtn9HkQEBz2 YqtsSURHc3UAyM3jwjCokV8cARbmX6jyZlwVYifNqozICv21Ky7AKZdrxGJIAH68diZh ybKg== X-Forwarded-Encrypted: i=1; AJvYcCWKYvKMkS/VPYIoGq09/okKwOtNqzqXfBrQojR9arwVegSBki4/SNqMzfzdcNzMWpsjb4cAPOJTayLk@nongnu.org X-Gm-Message-State: AOJu0Yx0nSEfqAlAjhcq3aNevfn7mh9WoQfGCXYvXPTg2qnGieNkR2NG QyCiYosApxixIHoEBAVP8rpNY96lpH0/EjkUAyezUh/RmReNDntEncPy3RpHYYSRMko= X-Gm-Gg: ASbGncsjlf8bywZVifSX7jQXVgTFMkn+SUPlFm97D50+FoJhx90qbaRDyaUMJbjMYW/ //mkba4fpqsE688XkdRAnY1AVlYck95SARwiWQYasWpJb1cDtNpwHzPtdDKfD6UCDTYl4stWyOY 71UZkRO8ul4t24Pcn+a37rBItkgUdPBI95q6m4xBptoxbj+Tos7aUfOY7zfdUJMVF2FSn6lEXpd h5EpnvS7+jBVS1EZ3rCLZ+L2pSF14I0/PEq4RKOseQRL2PT+yR3FPPUA3MdIv3yqF37X8y1OfCO f7A26UeLH4zMc6fQ5YlmU1sk7Fo6I3DZx1SgJ307MwLW5pkUU8PPqPoulhd4TBOdli29F42U2tO NMRdnXzOixemCTfy3zez4BSxKXBCIriSAZYnN6gg= X-Google-Smtp-Source: AGHT+IGvFxZwDESpi2qQ5RZMrpAbqn3QdxdXvxFK56bUHp4YKFG1zl1qCN9hsUp6DRRCVyNXtCxGzg== X-Received: by 2002:a05:6000:3cf:b0:3a6:d95c:5db with SMTP id ffacd0b85a97d-3b60e4cb61emr9126609f8f.26.1752859839407; Fri, 18 Jul 2025 10:30:39 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PATCH for-10.1 04/10] target/arm: Add BFMUL (indexed) Date: Fri, 18 Jul 2025 18:30:26 +0100 Message-ID: <20250718173032.2498900-5-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250718173032.2498900-1-peter.maydell@linaro.org> References: <20250718173032.2498900-1-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::336; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x336.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=unavailable 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: 1752860694713116600 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 --- 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