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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n10sm18891677wre.95.2021.06.07.09.58.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 09:58:37 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 17/55] target/arm: Implement MVE VMVN (register) Date: Mon, 7 Jun 2021 17:57:43 +0100 Message-Id: <20210607165821.9892-18-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 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x335.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement the MVE VMVN(register) operation. Note that for predication this operation is byte-by-byte. Signed-off-by: Peter Maydell --- target/arm/helper-mve.h | 2 ++ target/arm/mve.decode | 3 +++ target/arm/mve_helper.c | 4 ++++ target/arm/translate-mve.c | 5 +++++ 4 files changed, 14 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 4c89387587d..f1dc52f7a50 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -47,3 +47,5 @@ DEF_HELPER_FLAGS_3(mve_vrev32h, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vrev64b, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vrev64h, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vrev64w, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_3(mve_vmvn, TCG_CALL_NO_WG, void, env, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 16ee511a5cb..ff8afb682fb 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -30,6 +30,7 @@ @vldst_wn ... u:1 ... . . . . l:1 . rn:3 qd:3 . ... .. imm:7 &vldr_vstr @1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm +@1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0 # Vector loads and stores @@ -74,3 +75,5 @@ VCLZ 1111 1111 1 . 11 .. 00 ... 0 0100 11 . 0 ... 0 @1op VREV16 1111 1111 1 . 11 .. 00 ... 0 0001 01 . 0 ... 0 @1op VREV32 1111 1111 1 . 11 .. 00 ... 0 0000 11 . 0 ... 0 @1op VREV64 1111 1111 1 . 11 .. 00 ... 0 0000 01 . 0 ... 0 @1op + +VMVN 1111 1111 1 . 11 00 00 ... 0 0101 11 . 0 ... 0 @1op_nosz diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 055606b905f..2aacc733166 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -264,3 +264,7 @@ DO_1OP(vrev32h, 4, uint32_t, H4, hswap32) DO_1OP(vrev64b, 8, uint64_t, , bswap64) DO_1OP(vrev64h, 8, uint64_t, , hswap64) DO_1OP(vrev64w, 8, uint64_t, , wswap64) + +#define DO_NOT(N) (~(N)) + +DO_1OP(vmvn, 1, uint8_t, H1, DO_NOT) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 6f3d4796072..6e5c3df7179 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -244,3 +244,8 @@ static bool trans_VREV64(DisasContext *s, arg_1op *a) }; return do_1op(s, a, fns[a->size]); } + +static bool trans_VMVN(DisasContext *s, arg_1op *a) +{ + return do_1op(s, a, gen_helper_mve_vmvn); +} -- 2.20.1