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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 09:58:36 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 16/55] target/arm: Implement MVE VREV16, VREV32, VREV64 Date: Mon, 7 Jun 2021 17:57:42 +0100 Message-Id: <20210607165821.9892-17-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::432; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x432.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: Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement the MVE instructions VREV16, VREV32 and VREV64. Signed-off-by: Peter Maydell --- target/arm/helper-mve.h | 7 +++++++ target/arm/mve.decode | 4 ++++ target/arm/mve_helper.c | 13 +++++++++++++ target/arm/translate-mve.c | 33 +++++++++++++++++++++++++++++++++ 4 files changed, 57 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index bdd6675ea14..4c89387587d 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -40,3 +40,10 @@ DEF_HELPER_FLAGS_3(mve_vclsw, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzb, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzw, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_3(mve_vrev16b, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev32b, TCG_CALL_NO_WG, void, env, ptr, ptr) +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) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index adceef91597..16ee511a5cb 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -70,3 +70,7 @@ VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111110 ....... @vldr_vstr \ VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op 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 diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 071c9070593..055606b905f 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -223,6 +223,12 @@ static uint32_t mask_to_bytemask4(uint16_t mask) return masks[mask & 0xf]; } +static uint64_t mask_to_bytemask8(uint16_t mask) +{ + return mask_to_bytemask4(mask) | + ((uint64_t)mask_to_bytemask4(mask >> 4) << 32); +} + #define DO_1OP(OP, ESIZE, TYPE, H, FN) \ void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \ { \ @@ -251,3 +257,10 @@ DO_1OP(vclsw, 4, int32_t, H4, clrsb32) DO_1OP(vclzb, 1, uint8_t, H1, DO_CLZ_B) DO_1OP(vclzh, 2, uint16_t, H2, DO_CLZ_H) DO_1OP(vclzw, 4, uint32_t, H4, clz32) + +DO_1OP(vrev16b, 2, uint16_t, H2, bswap16) +DO_1OP(vrev32b, 4, uint32_t, H4, bswap32) +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) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 3c6897548a2..6f3d4796072 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -211,3 +211,36 @@ static bool do_1op(DisasContext *s, arg_1op *a, MVEGenOneOpFn fn) DO_1OP(VCLZ, vclz) DO_1OP(VCLS, vcls) + +static bool trans_VREV16(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] = { + gen_helper_mve_vrev16b, + NULL, + NULL, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} + +static bool trans_VREV32(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] = { + gen_helper_mve_vrev32b, + gen_helper_mve_vrev32h, + NULL, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} + +static bool trans_VREV64(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] = { + gen_helper_mve_vrev64b, + gen_helper_mve_vrev64h, + gen_helper_mve_vrev64w, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} -- 2.20.1