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[174.21.138.234]) by smtp.gmail.com with ESMTPSA id i187sm2530037pfg.33.2020.03.26.16.09.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2020 16:09:17 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 31/31] target/arm: Implement SVE2 integer absolute difference and accumulate Date: Thu, 26 Mar 2020 16:08:38 -0700 Message-Id: <20200326230838.31112-32-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200326230838.31112-1-richard.henderson@linaro.org> References: <20200326230838.31112-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::52f X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rajav@quicinc.com, qemu-arm@nongnu.org, apazos@quicinc.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- target/arm/sve.decode | 6 ++++++ target/arm/translate-sve.c | 25 +++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 9bf66e8ad4..6d565912e3 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1266,3 +1266,9 @@ URSRA 01000101 .. 0 ..... 1110 11 ..... ..... @rd_rn_tszimm_shr SRI 01000101 .. 0 ..... 11110 0 ..... ..... @rd_rn_tszimm_shr SLI 01000101 .. 0 ..... 11110 1 ..... ..... @rd_rn_tszimm_shl + +## SVE2 integer absolute difference and accumulate + +# TODO: Use @rda and %reg_movprfx here. +SABA 01000101 .. 0 ..... 11111 0 ..... ..... @rd_rn_rm +UABA 01000101 .. 0 ..... 11111 1 ..... ..... @rd_rn_rm diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 7556cecfb3..42ef031b77 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6361,3 +6361,28 @@ static bool trans_SLI(DisasContext *s, arg_rri_esz *a) { return do_sve2_fn2i(s, a, arm_gen_gvec_sli); } + +static bool do_sve2_fn3(DisasContext *s, arg_rrr_esz *a, GVecGen3Fn *fn) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + unsigned rd_ofs = vec_full_reg_offset(s, a->rd); + unsigned rn_ofs = vec_full_reg_offset(s, a->rn); + unsigned rm_ofs = vec_full_reg_offset(s, a->rm); + fn(a->esz, rd_ofs, rn_ofs, rm_ofs, vsz, vsz); + } + return true; +} + +static bool trans_SABA(DisasContext *s, arg_rrr_esz *a) +{ + return do_sve2_fn3(s, a, arm_gen_gvec_saba); +} + +static bool trans_UABA(DisasContext *s, arg_rrr_esz *a) +{ + return do_sve2_fn3(s, a, arm_gen_gvec_uaba); +} -- 2.20.1