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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b61ca4c754sm10487946f8f.59.2025.07.21.06.27.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jul 2025 06:27:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1753104449; x=1753709249; 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=wsBQYXDC8tkYaoMs+LV1i0h/jiobJ0UwGkaSUMbkmUM=; b=hO2qzZ74flOLHlhGqLd/0kmbsucPCPKh1Phj/ah4vCvZAB4XWWvD0/wy/1fsv2XfXK Lj+y1wJNFZFqLiSySxZ5bgAUMLv/2m/Hq6XoMZmQbt0Pj0uXGWKc+Jo/eI4OKn+ktH9h MGOaYd99utC447wwVogF6BTnriPvQrJbKqOawUCqlqs/bEOMYI8nvcN0YDNyh4ts6vW5 p4Qz0bb7o4RdDc9HP/wktYezsiiAciDh2KV44ljWaLJc2trESICWaX8WCCmr8lxrMioP s0qHHTWwmnr5wp8IXL310nHZtNtljvh2SLC1RYoX1cWc9YNXjfI2e5DXLLYvO8HkSvhd SIOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753104449; x=1753709249; 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=wsBQYXDC8tkYaoMs+LV1i0h/jiobJ0UwGkaSUMbkmUM=; b=TbkzjbboBwpdv+hnw9Qvocto+0fOQ8+7N92Mf8CkInGapLXFsiaHSksCABOXe0fFP2 K1eIRcKM+BHOPuMwKZDHSmvi+VQlj44VLqANnZBBuDoGJSJvL021iG60QvinbXSHa8IG fUhXKpxCvPDty48nkqUleTxlYQ0zZI+23+pGWFdz/PyeYgv5vvNpbeh2bblsM7N4DTgr n1WhNVahf99eL8Ub9vXgGmjXs5wrbGzZyaMLsHxj+vl9h5I01nvGRNGOnHQYIB7kfL3f ibZC+cfFWuR2fbMyiavnFWZV3MVxciGze8opw2xn7PZ+Sq3/IZE5Osm67OrSUQhgvHI1 fOoA== X-Gm-Message-State: AOJu0YxiuN3+RooArrJekYq1gpnOLO4jwq+uLxtbkCX+zIHAra8Uoc6E e2LIuaR19FUFi/nyEvoOhyd3MBpsktTC9jKcg4W43PJdK8t4x5u9aloAiCeNaujxclAjlOiSIHV Hfu8i X-Gm-Gg: ASbGncvrMI8Cg88U/J3V13S/cahx3SqllOiazC3mtpGXD2obEVh1Ti9BFc4lO9QLEit MuXkzOgvzXkyUl1Xi1tvRDj5rAnFTK95XIDw6Bzbmq0krI9BVhHr0xyhAfgbbwly0Vk6JvonPDl CUBcsxN52P1KoRPsd+Z6fUihczPUg1u/ZLI3JtVpE9r93XGN8moy8piN02lhNtyHQaGwVUDbaA1 JcHQDkeH+AobBrBFQJAD1+VT3UnAF1qt2VzsbjYwJmIesXc2XkLpKiOgZ2SpSkFB91Ipb6IyiPf GFCodCyytQy+NjR3ZHaBd89KJtmBrMpt+BHdHzhYeqcECNv0C6DXbvcEoUck2Fw55qS7km6N0II W+pa/Nu0BplAP0HrbfdrbqRa1naRk X-Google-Smtp-Source: AGHT+IHXMoUMvhQAv4a4EU1JJn9PRPpU/6Qoig1qeCORdnvGNOBLRe0xA52Kqpfd/Wkwpe8KJzcUPQ== X-Received: by 2002:a05:6000:288a:b0:3b2:fe84:a10 with SMTP id ffacd0b85a97d-3b60e440dddmr14736188f8f.0.1753104449556; Mon, 21 Jul 2025 06:27:29 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 10/20] target/arm: Add BFMIN, BFMAX (predicated) Date: Mon, 21 Jul 2025 14:27:07 +0100 Message-ID: <20250721132718.2835729-11-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::432; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x432.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, T_SPF_TEMPERROR=0.01 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: 1753104612013116600 Content-Type: text/plain; charset="utf-8" FEAT_SVE_B16B16 adds bfloat16 versions of the SVE floating point (predicated) instructions, which are encoded via sz=3D0b00. Add the BFMAX and BFMIN insns. These have separate behaviour for AH=3D1 and AH=3D0; we have already implemented the AH=3D1 helper for the SME2 versions of these insns. Fixes: 7b1613a1020d2942 ("target/arm: Enable FEAT_SME2p1 on -cpu max") Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20250718173032.2498900-4-peter.maydell@linaro.org --- target/arm/tcg/helper-sve.h | 8 ++++++++ target/arm/tcg/sve_helper.c | 4 ++++ target/arm/tcg/translate-sve.c | 17 +++++++++++++++-- 3 files changed, 27 insertions(+), 2 deletions(-) diff --git a/target/arm/tcg/helper-sve.h b/target/arm/tcg/helper-sve.h index d612bcaded3..cb6c2355e58 100644 --- a/target/arm/tcg/helper-sve.h +++ b/target/arm/tcg/helper-sve.h @@ -1230,6 +1230,8 @@ DEF_HELPER_FLAGS_6(sve_fdiv_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_6(sve_fdiv_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) =20 +DEF_HELPER_FLAGS_6(sve_fmin_b16, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_fmin_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_fmin_s, TCG_CALL_NO_RWG, @@ -1237,6 +1239,8 @@ DEF_HELPER_FLAGS_6(sve_fmin_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_6(sve_fmin_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) =20 +DEF_HELPER_FLAGS_6(sve_fmax_b16, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_fmax_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_fmax_s, TCG_CALL_NO_RWG, @@ -1244,6 +1248,8 @@ DEF_HELPER_FLAGS_6(sve_fmax_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_6(sve_fmax_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) =20 +DEF_HELPER_FLAGS_6(sve_ah_fmin_b16, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_ah_fmin_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_ah_fmin_s, TCG_CALL_NO_RWG, @@ -1251,6 +1257,8 @@ DEF_HELPER_FLAGS_6(sve_ah_fmin_s, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_6(sve_ah_fmin_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) =20 +DEF_HELPER_FLAGS_6(sve_ah_fmax_b16, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_ah_fmax_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_6(sve_ah_fmax_s, TCG_CALL_NO_RWG, diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c index a229503bc21..1a56fa86d9c 100644 --- a/target/arm/tcg/sve_helper.c +++ b/target/arm/tcg/sve_helper.c @@ -4648,18 +4648,22 @@ DO_ZPZZ_FP(sve_fdiv_h, uint16_t, H1_2, float16_div) DO_ZPZZ_FP(sve_fdiv_s, uint32_t, H1_4, float32_div) DO_ZPZZ_FP(sve_fdiv_d, uint64_t, H1_8, float64_div) =20 +DO_ZPZZ_FP(sve_fmin_b16, uint16_t, H1_2, bfloat16_min) DO_ZPZZ_FP(sve_fmin_h, uint16_t, H1_2, float16_min) DO_ZPZZ_FP(sve_fmin_s, uint32_t, H1_4, float32_min) DO_ZPZZ_FP(sve_fmin_d, uint64_t, H1_8, float64_min) =20 +DO_ZPZZ_FP(sve_fmax_b16, uint16_t, H1_2, bfloat16_max) DO_ZPZZ_FP(sve_fmax_h, uint16_t, H1_2, float16_max) DO_ZPZZ_FP(sve_fmax_s, uint32_t, H1_4, float32_max) DO_ZPZZ_FP(sve_fmax_d, uint64_t, H1_8, float64_max) =20 +DO_ZPZZ_FP(sve_ah_fmin_b16, uint16_t, H1_2, helper_sme2_ah_fmin_b16) DO_ZPZZ_FP(sve_ah_fmin_h, uint16_t, H1_2, helper_vfp_ah_minh) DO_ZPZZ_FP(sve_ah_fmin_s, uint32_t, H1_4, helper_vfp_ah_mins) DO_ZPZZ_FP(sve_ah_fmin_d, uint64_t, H1_8, helper_vfp_ah_mind) =20 +DO_ZPZZ_FP(sve_ah_fmax_b16, uint16_t, H1_2, helper_sme2_ah_fmax_b16) DO_ZPZZ_FP(sve_ah_fmax_h, uint16_t, H1_2, helper_vfp_ah_maxh) DO_ZPZZ_FP(sve_ah_fmax_s, uint32_t, H1_4, helper_vfp_ah_maxs) DO_ZPZZ_FP(sve_ah_fmax_d, uint64_t, H1_8, helper_vfp_ah_maxd) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 2739c226d73..27af3df9a4b 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -4218,11 +4218,24 @@ TRANS_FEAT_NONSTREAMING(FTSMUL, aa64_sve, gen_gvec_= fpst_arg_zzz, }; \ TRANS_FEAT(NAME, FEAT, gen_gvec_fpst_arg_zpzz, name##_zpzz_fns[a->esz]= , a) =20 +#define DO_ZPZZ_AH_FP_B16(NAME, FEAT, name, ah_name) \ + static gen_helper_gvec_4_ptr * const name##_zpzz_fns[4] =3D { \ + gen_helper_##name##_b16, gen_helper_##name##_h, \ + gen_helper_##name##_s, gen_helper_##name##_d \ + }; \ + static gen_helper_gvec_4_ptr * const name##_ah_zpzz_fns[4] =3D { \ + gen_helper_##ah_name##_b16, gen_helper_##ah_name##_h, \ + gen_helper_##ah_name##_s, gen_helper_##ah_name##_d \ + }; \ + TRANS_FEAT(NAME, FEAT, gen_gvec_fpst_arg_zpzz, \ + s->fpcr_ah ? name##_ah_zpzz_fns[a->esz] : \ + name##_zpzz_fns[a->esz], a) + DO_ZPZZ_FP_B16(FADD_zpzz, aa64_sve, sve_fadd) DO_ZPZZ_FP_B16(FSUB_zpzz, aa64_sve, sve_fsub) DO_ZPZZ_FP_B16(FMUL_zpzz, aa64_sve, sve_fmul) -DO_ZPZZ_AH_FP(FMIN_zpzz, aa64_sve, sve_fmin, sve_ah_fmin) -DO_ZPZZ_AH_FP(FMAX_zpzz, aa64_sve, sve_fmax, sve_ah_fmax) +DO_ZPZZ_AH_FP_B16(FMIN_zpzz, aa64_sve, sve_fmin, sve_ah_fmin) +DO_ZPZZ_AH_FP_B16(FMAX_zpzz, aa64_sve, sve_fmax, sve_ah_fmax) DO_ZPZZ_FP_B16(FMINNM_zpzz, aa64_sve, sve_fminnum) DO_ZPZZ_FP_B16(FMAXNM_zpzz, aa64_sve, sve_fmaxnum) DO_ZPZZ_AH_FP(FABD, aa64_sve, sve_fabd, sve_ah_fabd) --=20 2.43.0