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Fri, 04 Jul 2025 07:21:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 020/108] target/arm: Implement SME2 MOVT Date: Fri, 4 Jul 2025 08:19:43 -0600 Message-ID: <20250704142112.1018902-21-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-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::32d; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x32d.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: 1751639660507116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sme.c | 13 +++++++++++++ target/arm/tcg/sme.decode | 5 +++++ 2 files changed, 18 insertions(+) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 9f25273992..797035e289 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -210,6 +210,19 @@ static bool trans_MOVA(DisasContext *s, arg_MOVA *a) return true; } =20 +static bool do_movt(DisasContext *s, arg_MOVT_rzt *a, + void (*func)(TCGv_i64, TCGv_ptr, tcg_target_long)) +{ + if (sme2_zt0_enabled_check(s)) { + func(cpu_reg(s, a->rt), tcg_env, + offsetof(CPUARMState, za_state.zt0) + a->off * 8); + } + return true; +} + +TRANS_FEAT(MOVT_rzt, aa64_sme2, do_movt, a, tcg_gen_ld_i64) +TRANS_FEAT(MOVT_ztr, aa64_sme2, do_movt, a, tcg_gen_st_i64) + static bool trans_LDST1(DisasContext *s, arg_LDST1 *a) { typedef void GenLdSt1(TCGv_env, TCGv_ptr, TCGv_ptr, TCGv, TCGv_i32); diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index cef49c3b29..83ca6a9104 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -39,6 +39,11 @@ MOVA 11000000 esz:2 00001 0 v:1 .. pg:3 0 za_= imm:4 zr:5 \ MOVA 11000000 11 00001 1 v:1 .. pg:3 0 za_imm:4 zr:5 \ &mova to_vec=3D1 rs=3D%mova_rs esz=3D4 =20 +### SME Move into/from ZT0 + +MOVT_rzt 1100 0000 0100 1100 0 off:3 00 11111 rt:5 +MOVT_ztr 1100 0000 0100 1110 0 off:3 00 11111 rt:5 + ### SME Memory =20 &ldst esz rs pg rn rm za_imm v:bool st:bool --=20 2.43.0