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Fri, 16 Apr 2021 14:04:24 -0700 (PDT) Received: from localhost.localdomain ([71.212.131.83]) by smtp.gmail.com with ESMTPSA id m9sm5766734pgt.65.2021.04.16.14.04.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Apr 2021 14:04:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 74/81] target/arm: Implement aarch64 SUDOT, USDOT Date: Fri, 16 Apr 2021 14:02:33 -0700 Message-Id: <20210416210240.1591291-75-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416210240.1591291-1-richard.henderson@linaro.org> References: <20210416210240.1591291-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- target/arm/cpu.h | 5 +++++ target/arm/translate-a64.c | 25 +++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index b43fd066ba..a0865e224c 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -4206,6 +4206,11 @@ static inline bool isar_feature_aa64_rcpc_8_4(const ARMISARegisters *id) return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) >= 2; } +static inline bool isar_feature_aa64_i8mm(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0; +} + static inline bool isar_feature_aa64_ccidx(const ARMISARegisters *id) { return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, CCIDX) != 0; diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index f45b81e56d..0d45a44f51 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -12190,6 +12190,13 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) } feature = dc_isar_feature(aa64_dp, s); break; + case 0x03: /* USDOT */ + if (size != MO_32) { + unallocated_encoding(s); + return; + } + feature = dc_isar_feature(aa64_i8mm, s); + break; case 0x18: /* FCMLA, #0 */ case 0x19: /* FCMLA, #90 */ case 0x1a: /* FCMLA, #180 */ @@ -12230,6 +12237,10 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b); return; + case 0x3: /* USDOT */ + gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, 0, gen_helper_gvec_usdot_b); + return; + case 0x8: /* FCMLA, #0 */ case 0x9: /* FCMLA, #90 */ case 0xa: /* FCMLA, #180 */ @@ -13375,6 +13386,13 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) return; } break; + case 0x0f: /* SUDOT, USDOT */ + if (is_scalar || (size & 1) || !dc_isar_feature(aa64_i8mm, s)) { + unallocated_encoding(s); + return; + } + size = MO_32; + break; case 0x11: /* FCMLA #0 */ case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */ @@ -13489,6 +13507,13 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b); return; + case 0x0f: /* SUDOT, USDOT */ + gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, index, + extract32(insn, 23, 1) + ? gen_helper_gvec_usdot_idx_b + : gen_helper_gvec_sudot_idx_b); + return; + case 0x11: /* FCMLA #0 */ case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */