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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id b8sm20865639wmd.35.2021.06.14.08.10.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 08:10:29 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 23/57] target/arm: Implement MVE VAND, VBIC, VORR, VORN, VEOR Date: Mon, 14 Jun 2021 16:09:33 +0100 Message-Id: <20210614151007.4545-24-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210614151007.4545-1-peter.maydell@linaro.org> References: <20210614151007.4545-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42c.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 vector logical operations operating on two registers. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/helper-mve.h | 6 ++++++ target/arm/mve.decode | 9 +++++++++ target/arm/mve_helper.c | 26 ++++++++++++++++++++++++++ target/arm/translate-mve.c | 37 +++++++++++++++++++++++++++++++++++++ 4 files changed, 78 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 64c3f9e049e..01b6123f250 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -63,3 +63,9 @@ DEF_HELPER_FLAGS_3(mve_vnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vnegw, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfnegs, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_4(mve_vand, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vbic, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vorr, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vorn, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_veor, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 09849917f5a..332e0b8d1d6 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -25,6 +25,7 @@ &vldr_vstr rn qd imm p a w size l u &1op qd qm size +&2op qd qm qn size @vldr_vstr ....... . . . . l:1 rn:4 ... ...... imm:7 &vldr_vstr qd=%qd u=0 # Note that both Rn and Qd are 3 bits only (no D bit) @@ -32,6 +33,7 @@ @1op .... .... .... size:2 .. .... .... .... .... &1op qd=%qd qm=%qm @1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0 +@2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0 # Vector loads and stores @@ -68,6 +70,13 @@ VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111101 ....... @vldr_vstr \ VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111110 ....... @vldr_vstr \ size=2 p=1 +# Vector 2-op +VAND 1110 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz +VBIC 1110 1111 0 . 01 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz +VORR 1110 1111 0 . 10 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz +VORN 1110 1111 0 . 11 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz +VEOR 1111 1111 0 . 00 ... 0 ... 0 0001 . 1 . 1 ... 0 @2op_nosz + # Vector miscellaneous VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index f464ec19eaf..94064e68660 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -337,3 +337,29 @@ DO_1OP(vnegw, 4, int32_t, DO_NEG) /* We can do these 64 bits at a time */ DO_1OP(vfnegh, 8, uint64_t, DO_FNEGH) DO_1OP(vfnegs, 8, uint64_t, DO_FNEGS) + +#define DO_2OP(OP, ESIZE, TYPE, FN) \ + void HELPER(glue(mve_, OP))(CPUARMState *env, \ + void *vd, void *vn, void *vm) \ + { \ + TYPE *d = vd, *n = vn, *m = vm; \ + uint16_t mask = mve_element_mask(env); \ + unsigned e; \ + for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \ + mergemask(&d[H##ESIZE(e)], \ + FN(n[H##ESIZE(e)], m[H##ESIZE(e)]), mask); \ + } \ + mve_advance_vpt(env); \ + } + +#define DO_AND(N, M) ((N) & (M)) +#define DO_BIC(N, M) ((N) & ~(M)) +#define DO_ORR(N, M) ((N) | (M)) +#define DO_ORN(N, M) ((N) | ~(M)) +#define DO_EOR(N, M) ((N) ^ (M)) + +DO_2OP(vand, 8, uint64_t, DO_AND) +DO_2OP(vbic, 8, uint64_t, DO_BIC) +DO_2OP(vorr, 8, uint64_t, DO_ORR) +DO_2OP(vorn, 8, uint64_t, DO_ORN) +DO_2OP(veor, 8, uint64_t, DO_EOR) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index c5f5d49d11b..2c78dde42b3 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -30,6 +30,7 @@ typedef void MVEGenLdStFn(TCGv_ptr, TCGv_ptr, TCGv_i32); typedef void MVEGenOneOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr); +typedef void MVEGenTwoOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr); /* Return the offset of a Qn register (same semantics as aa32_vfp_qreg()) */ static inline long mve_qreg_offset(unsigned reg) @@ -294,3 +295,39 @@ static bool trans_VNEG_fp(DisasContext *s, arg_1op *a) } return do_1op(s, a, fns[a->size]); } + +static bool do_2op(DisasContext *s, arg_2op *a, MVEGenTwoOpFn fn) +{ + TCGv_ptr qd, qn, qm; + + if (!dc_isar_feature(aa32_mve, s) || + !mve_check_qreg_bank(s, a->qd | a->qn | a->qm) || + !fn) { + return false; + } + if (!mve_eci_check(s) || !vfp_access_check(s)) { + return true; + } + + qd = mve_qreg_ptr(a->qd); + qn = mve_qreg_ptr(a->qn); + qm = mve_qreg_ptr(a->qm); + fn(cpu_env, qd, qn, qm); + tcg_temp_free_ptr(qd); + tcg_temp_free_ptr(qn); + tcg_temp_free_ptr(qm); + mve_update_eci(s); + return true; +} + +#define DO_LOGIC(INSN, HELPER) \ + static bool trans_##INSN(DisasContext *s, arg_2op *a) \ + { \ + return do_2op(s, a, HELPER); \ + } + +DO_LOGIC(VAND, gen_helper_mve_vand) +DO_LOGIC(VBIC, gen_helper_mve_vbic) +DO_LOGIC(VORR, gen_helper_mve_vorr) +DO_LOGIC(VORN, gen_helper_mve_vorn) +DO_LOGIC(VEOR, gen_helper_mve_veor) -- 2.20.1