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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n10sm18891677wre.95.2021.06.07.09.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 09:58:58 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 45/55] target/arm: Implement MVE VSHL insn Date: Mon, 7 Jun 2021 17:58:11 +0100 Message-Id: <20210607165821.9892-46-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org> References: <20210607165821.9892-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x434.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=unavailable 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: Richard Henderson Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Implement the MVE VSHL insn (vector form). Signed-off-by: Peter Maydell --- target/arm/helper-mve.h | 8 ++++++++ target/arm/mve.decode | 3 +++ target/arm/mve_helper.c | 30 ++++++++++++++++++++++++++++++ target/arm/translate-mve.c | 2 ++ 4 files changed, 43 insertions(+) -- 2.20.1 Reviewed-by: Richard Henderson diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index a2f9916b24e..6ef01d367b4 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -171,6 +171,14 @@ DEF_HELPER_FLAGS_4(mve_vqsubub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqsubuh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqsubuw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vshlsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vshlsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vshlsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + +DEF_HELPER_FLAGS_4(mve_vshlub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vshluh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vshluw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + DEF_HELPER_FLAGS_4(mve_vqshlsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqshlsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqshlsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index e78eab6d659..ebf156b46b5 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -130,6 +130,9 @@ VQADD_U 111 1 1111 0 . .. ... 0 ... 0 0000 . 1 . 1 ... 0 @2op VQSUB_S 111 0 1111 0 . .. ... 0 ... 0 0010 . 1 . 1 ... 0 @2op VQSUB_U 111 1 1111 0 . .. ... 0 ... 0 0010 . 1 . 1 ... 0 @2op +VSHL_S 111 0 1111 0 . .. ... 0 ... 0 0100 . 1 . 0 ... 0 @2op_rev +VSHL_U 111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 0 ... 0 @2op_rev + VQSHL_S 111 0 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev VQSHL_U 111 1 1111 0 . .. ... 0 ... 0 0100 . 1 . 1 ... 0 @2op_rev diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index b7f9af4067b..c95d5a0fd8e 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -508,6 +508,36 @@ DO_2OP_U(vhaddu, do_vhadd_u) DO_2OP_S(vhsubs, do_vhsub_s) DO_2OP_U(vhsubu, do_vhsub_u) +static inline uint32_t do_ushl(uint32_t n, int8_t shift, int esize) +{ + if (shift >= esize || shift <= -esize) { + return 0; + } else if (shift < 0) { + return n >> -shift; + } else { + return n << shift; + } +} + +static inline int32_t do_sshl(int32_t n, int8_t shift, int esize) +{ + if (shift >= esize) { + return 0; + } else if (shift <= -esize) { + return n >> (esize - 1); + } else if (shift < 0) { + return n >> -shift; + } else { + return n << shift; + } +} + +#define DO_VSHLS(N, M) do_sshl(N, M, sizeof(N) * 8) +#define DO_VSHLU(N, M) do_ushl(N, M, sizeof(N) * 8) + +DO_2OP_S(vshls, DO_VSHLS) +DO_2OP_U(vshlu, DO_VSHLU) + static inline int32_t do_sat_bhw(int64_t val, int64_t min, int64_t max, bool *s) { if (val > max) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index bea561726ea..6eaa99bc0f5 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -421,6 +421,8 @@ DO_2OP(VQADD_S, vqadds) DO_2OP(VQADD_U, vqaddu) DO_2OP(VQSUB_S, vqsubs) DO_2OP(VQSUB_U, vqsubu) +DO_2OP(VSHL_S, vshls) +DO_2OP(VSHL_U, vshlu) DO_2OP(VQSHL_S, vqshls) DO_2OP(VQSHL_U, vqshlu) DO_2OP(VQRSHL_S, vqrshls)