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Sat, 21 Jun 2025 16:50:51 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 019/101] target/arm: Implement SME2 LDR/STR ZT0 Date: Sat, 21 Jun 2025 16:49:15 -0700 Message-ID: <20250621235037.74091-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250621235037.74091-1-richard.henderson@linaro.org> References: <20250621235037.74091-1-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::433; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x433.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: 1750549959837116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-sme.c | 12 ++++++++++++ target/arm/tcg/sme.decode | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 37f4d341f0..8b0a33e2ae 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -291,6 +291,18 @@ static bool do_ldst_r(DisasContext *s, arg_ldstr *a, G= enLdStR *fn) TRANS_FEAT(LDR, aa64_sme, do_ldst_r, a, gen_sve_ldr) TRANS_FEAT(STR, aa64_sme, do_ldst_r, a, gen_sve_str) =20 +static bool do_ldst_zt0(DisasContext *s, arg_ldstzt0 *a, GenLdStR *fn) +{ + if (sme2_zt0_enabled_check(s)) { + fn(s, tcg_env, offsetof(CPUARMState, za_state.zt0), + sizeof_field(CPUARMState, za_state.zt0), a->rn, 0); + } + return true; +} + +TRANS_FEAT(LDR_zt0, aa64_sme2, do_ldst_zt0, a, gen_sve_ldr) +TRANS_FEAT(STR_zt0, aa64_sme2, do_ldst_zt0, a, gen_sve_str) + static bool do_adda(DisasContext *s, arg_adda *a, MemOp esz, gen_helper_gvec_4 *fn) { diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index dd1f983941..cef49c3b29 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -55,6 +55,12 @@ LDST1 1110000 111 st:1 rm:5 v:1 .. pg:3 rn= :5 0 za_imm:4 \ LDR 1110000 100 0 000000 .. 000 ..... 0 .... @ldstr STR 1110000 100 1 000000 .. 000 ..... 0 .... @ldstr =20 +&ldstzt0 rn +@ldstzt0 ....... ... . ...... .. ... rn:5 ..... &ldstzt0 + +LDR_zt0 1110000 100 0 111111 00 000 ..... 00000 @ldstzt0 +STR_zt0 1110000 100 1 111111 00 000 ..... 00000 @ldstzt0 + ### SME Add Vector to Array =20 &adda zad zn pm pn --=20 2.43.0