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[187.189.51.143]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-6138e5ac5eesm310233eaf.29.2025.07.04.07.25.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jul 2025 07:25:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751639126; x=1752243926; 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=94yRyXv/a+r27FH2Y4vjXt8+mpChSefv37z2JQXcfow=; b=M28/845E4wBW6Ck+Oz6WeAtrj/gZsJv9oqWxrDdLJE+p7vUfBnxa9BaRC74t9yi3l8 zZxNvmmQPRZ5KKqtAzWO4aOzS/oTQU4jlxwmSlUP9bBjsQ6lZ2VjZdfHa/zBaWjv87hP xqEHgAggS3Sb0SN5N6EF8Z2NPCdLZG35oY8C3rLc6MUYDsqosdHmgqCds2g+L+WY+Aie l28+hI+SdqF5+5u//vTchLmE9vMvYbXc8hF5a3lC7TrNVlrzGc7Biv1x+8tKWw4ld/8u yu7knF2kprq2vXTtwSFROtoIjQkbsWQd+fzoJhaIMogdKuhMuUd03kgI9wusjU8S9qSC sdFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751639126; x=1752243926; 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=94yRyXv/a+r27FH2Y4vjXt8+mpChSefv37z2JQXcfow=; b=UQJth4UhqGpaqYNb1oI64i3mt++YcJCGdQO9fze2xonu69A5oyhRIZh15WPHWFL3tF SE/H8FhACTGHShOs4w5glc9NYsIIRCi2vt3QGZJp/H0Wsr9FA2LDL6h+lQzyAj8KMtp0 d3dJTMFSH5hjUtBH/hSGDscwWxalCsL87+J8A1GVwCEhbMIpWRG6Fp3Hlb5jJJo6ZEeo ES9p+qNGoluQIhu/GxZdZ1w02C7gfYzIZhbOUq4kSZHP+P+WVeujKAI4fkvubiG/y0E5 bTLKWI0Pu6SRgeQegUq5JlWskVu9d9kOqfkl9uVTYiXitz41yAdFYXjJ7xirhW0GkA91 R1zg== X-Gm-Message-State: AOJu0YyLANPMuEy8l6RO0t8ialfOvivX2gdesV7simVTbTLWARnF2V7q eCm9xpNNO0Gh1VBC796MgpKCHdEGG8aMmLAdVkDn1WDed4NEqSYMlg5uLUn1yOP1nyS1iBaAtp2 3Aj3JNNE= X-Gm-Gg: ASbGncvfXxOmSHDr+m8xZuf1LJZrglZ5cGgYLd36xQ0ntcYSo0P1m9VrIrfs9XBcTDP PSIJKmfNRsxk9oGK5HNfeKP1qUqHQhGzgJq1+ExmDRsiKPnXnj501lPdg1YZs9LFaF9FcLCnwbT 6AFtHwYXAFm48Z5Zm1YCEu3XwdD04xkp/d1vQWE01s/JTn+NcFylrzVNCzkMpMlND42C2xH/DOV FSHyqX7xyzwqU+kDzUKbhgOQBXHN3kjk3XnvNswtgdIISJNJo4dOoOFD2s0Rk6uHkM8lSrOtfdM RJeNw6H3SJNzvnbCymwfCDl5D6uODJ5ye0Arc7Y4UNudVOc0zQoO5e9ReSXdudDYfECEoS5SLnU K48fba9UJu5Z8A194Qmd3jWR9uc4XIyB9vJ6+FHvqx0L9rVbJ X-Google-Smtp-Source: AGHT+IEfox0T3kKhZ1LD3ZXgcQR+pSgdZ7UmHnn8OSv1rzVSpM2MXbawUrrDdCgQaSZUCbkJmt/Hww== X-Received: by 2002:a05:6830:914:b0:739:fe86:9dfc with SMTP id 46e09a7af769-73ca676d742mr1517409a34.23.1751639126421; Fri, 04 Jul 2025 07:25:26 -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 v4 068/108] target/arm: Implement FCLAMP for SME2, SVE2p1 Date: Fri, 4 Jul 2025 08:20:31 -0600 Message-ID: <20250704142112.1018902-69-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250704142112.1018902-1-richard.henderson@linaro.org> References: <20250704142112.1018902-1-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=2607:f8b0:4864:20::331; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x331.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: 1751640845372116600 This is the single vector version within SVE decode space. Tested-by: Alex Benn=C3=A9e Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- 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