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([187.210.107.185]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-2efd4ea5d9fsm3843451fac.10.2025.07.02.05.38.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jul 2025 05:38:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751459906; x=1752064706; 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=fYKrs7/vnCW+3D9Wa8KDDkWEpeNBkgolpoiBmK9XdxM=; b=Z5oRp/2PV1KOH9BayBM59kBj9a46zKv/RSmoF9Vs/bN2cLpr564Wh63UoAOJCTwBqw t5K/oDha2lIOt69ZuILLK3qGFpzpteeVONXwsIZvmEOs/t5bZBbOP9sMncB6syGlUesr IaRCRBisnKcFaz6JCw9U65E/wQRY0I2gYAXkWIc6ADRkcNpF9gnduWe3+mqbYVE96xfS YAPuj1oBTyoSQeBthwszmWRUJrzL/C+WCRWT4i90XrHFgbqqJjB7DdSc3n2phZcNdfIa POP5sWoDXa0tujbYEaYlwqM2dNcZ0CVcozxD0OBKJ1lwO7/c9fJrSdUBPqF1FOS4zZux jwjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751459906; x=1752064706; 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=fYKrs7/vnCW+3D9Wa8KDDkWEpeNBkgolpoiBmK9XdxM=; b=s4B0gxZPQvACFiG0JNQCS3gH9Kj+gAezy3L/ioUyMtGyKGRCPrCCJblUMy878DD4Wv SHo2pQDbsy76fAGlHeftIS4BPH2lhalYNwmM1WJwYeUu7zDLfdcuEleNmpGVdglBtgEy kW7kYVKXJejxbSbjJTWCwdFK5rcb9Z+l9+z7KP+faxw2M2bF5n1GIM1Hj9qJGsW209IC pj7cq4GEU89SXntIsCyHuH9pUx8dU8L0Dp52qZhkTSOLXzFTl2+X/y0na/TbNhUvvSyB XVo6fbVSR/HXyVsB01Ck5y+3SmVEigqb5CmxRZgBP9vhDjH4oigcpu//c34vhkeyqaey 3KnA== X-Gm-Message-State: AOJu0YzUxBrPsZX0X7rTC1gFWUW4A+COgH9iX3u/ZCsEuY5j9tjiAmLz 1zcU34/CLBfwQyZwD3WsbOtPXuSo9/5NzgU7cPx3oOJUcBij3+Z3ihRXjV5SyQ8eaS4suMuT6Sm UPdN8pz4= X-Gm-Gg: ASbGncsknUWnT/Ui/WHVVvXZTeGSivPFAa/PRGITYpcReXF9AjaYYWwqT9l+wOUPDkY or+7M5gd3yFd4gWVuCH9rPH8xhTLhNGCMWWcTi3EH6RG0kR+1J3Levy8hTynw0FWwXEIIX5sSv7 N0zQ/SDs84dRyFpWo9QtehDvyDNk1WIbK4aNqeN09ZhNcFcoNXRhz/UVeW20zrQiUo/tzXF0Rue uXLXO4ct45rfNTLHPS5VtW07ovWU2QLEez4SKkpIgJPwR6TX0I2I7EDAp0GKLkLowXTdYQGaAMn NVcFBKpBdg1q/U1s8nSFZYHf8hSU6yrUSPAgrnP5UX9++SU/TH7DRPXwGVOVbzhIQUYCcA== X-Google-Smtp-Source: AGHT+IGwoHkEHB0tWzN234xQKd3Tf3qaIC4hOtxlwsRTmlGTBhlhpRvnRsN7+3o8xEbC5HnjU1F7xg== X-Received: by 2002:a05:6870:9602:b0:2a3:c5fe:29b9 with SMTP id 586e51a60fabf-2f5c7d5790amr2167207fac.29.1751459906609; Wed, 02 Jul 2025 05:38:26 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [PATCH v3 58/97] target/arm: Implement FCLAMP for SME2, SVE2p1 Date: Wed, 2 Jul 2025 06:33:31 -0600 Message-ID: <20250702123410.761208-59-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250702123410.761208-1-richard.henderson@linaro.org> References: <20250702123410.761208-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2001:4860:4864:20::2a; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x2a.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: 1751461892485116600 This is the single vector version within SVE decode space. Tested-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-sve.c | 22 ++++++++++++++++++++++ target/arm/tcg/sve.decode | 2 ++ 2 files changed, 24 insertions(+) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index ff70bf27b0..210a029ab8 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -7428,6 +7428,28 @@ static void gen_uclamp(unsigned vece, uint32_t d, ui= nt32_t n, uint32_t m, =20 TRANS_FEAT(UCLAMP, aa64_sme_or_sve2p1, gen_gvec_fn_arg_zzzz, gen_uclamp, a) =20 +static bool trans_FCLAMP(DisasContext *s, arg_FCLAMP *a) +{ + static gen_helper_gvec_3_ptr * const fn[] =3D { + gen_helper_sme2_bfclamp, + gen_helper_sme2_fclamp_h, + gen_helper_sme2_fclamp_s, + gen_helper_sme2_fclamp_d, + }; + + /* This insn uses MO_8 to encode BFloat16. */ + if (a->esz =3D=3D MO_8 + ? !dc_isar_feature(aa64_sve_b16b16, s) + : !dc_isar_feature(aa64_sme2_or_sve2p1, s)) { + return false; + } + + /* So far we never optimize rda with MOVPRFX */ + assert(a->rd =3D=3D a->ra); + return gen_gvec_fpst_zzz(s, fn[a->esz], a->rd, a->rn, a->rm, 1, + a->esz =3D=3D MO_16 ? FPST_A64_F16 : FPST_A64= ); +} + TRANS_FEAT(SQCVTN_sh, aa64_sme2_or_sve2p1, gen_gvec_ool_zz, gen_helper_sme2_sqcvtn_sh, a->rd, a->rn, 0) TRANS_FEAT(UQCVTN_sh, aa64_sme2_or_sve2p1, gen_gvec_ool_zz, diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode index f808362f23..dcfc40ef44 100644 --- a/target/arm/tcg/sve.decode +++ b/target/arm/tcg/sve.decode @@ -1721,3 +1721,5 @@ PSEL 00100101 .1 1 000 .. 01 .... 0 .... 0= .... \ =20 SCLAMP 01000100 .. 0 ..... 110000 ..... ..... @rda_rn_rm UCLAMP 01000100 .. 0 ..... 110001 ..... ..... @rda_rn_rm + +FCLAMP 01100100 .. 1 ..... 001001 ..... ..... @rda_rn_rm --=20 2.43.0