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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id b11sm158025pgq.50.2020.05.13.09.33.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2020 09:33:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 12/16] target/arm: Create gen_gvec_{qrdmla,qrdmls} Date: Wed, 13 May 2020 09:32:41 -0700 Message-Id: <20200513163245.17915-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200513163245.17915-1-richard.henderson@linaro.org> References: <20200513163245.17915-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::542; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x542.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Provide a functional interface for the vector expansion. This fits better with the existing set of helpers that we provide for other operations. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate.h | 5 ++++ target/arm/translate-a64.c | 34 ++---------------------- target/arm/translate.c | 54 +++++++++++++++++++------------------- 3 files changed, 34 insertions(+), 59 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index 4e1778c5e0..aea8a9759d 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -332,6 +332,11 @@ void gen_gvec_sri(unsigned vece, uint32_t rd_ofs, uint32_t rm_ofs, void gen_gvec_sli(unsigned vece, uint32_t rd_ofs, uint32_t rm_ofs, int64_t shift, uint32_t opr_sz, uint32_t max_sz); +void gen_gvec_sqrdmlah_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs, + uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz); +void gen_gvec_sqrdmlsh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs, + uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz); + /* * Forward to the isar_feature_* tests given a DisasContext pointer. */ diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 367fa403ae..4577df3cf4 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -587,18 +587,6 @@ static void gen_gvec_op3_ool(DisasContext *s, bool is_q, int rd, is_q ? 16 : 8, vec_full_reg_size(s), data, fn); } -/* Expand a 3-operand + env pointer operation using - * an out-of-line helper. - */ -static void gen_gvec_op3_env(DisasContext *s, bool is_q, int rd, - int rn, int rm, gen_helper_gvec_3_ptr *fn) -{ - tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd), - vec_full_reg_offset(s, rn), - vec_full_reg_offset(s, rm), cpu_env, - is_q ? 16 : 8, vec_full_reg_size(s), 0, fn); -} - /* Expand a 3-operand + fpstatus pointer + simd data value operation using * an out-of-line helper. */ @@ -11693,29 +11681,11 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) switch (opcode) { case 0x0: /* SQRDMLAH (vector) */ - switch (size) { - case 1: - gen_gvec_op3_env(s, is_q, rd, rn, rm, gen_helper_gvec_qrdmlah_s16); - break; - case 2: - gen_gvec_op3_env(s, is_q, rd, rn, rm, gen_helper_gvec_qrdmlah_s32); - break; - default: - g_assert_not_reached(); - } + gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqrdmlah_qc, size); return; case 0x1: /* SQRDMLSH (vector) */ - switch (size) { - case 1: - gen_gvec_op3_env(s, is_q, rd, rn, rm, gen_helper_gvec_qrdmlsh_s16); - break; - case 2: - gen_gvec_op3_env(s, is_q, rd, rn, rm, gen_helper_gvec_qrdmlsh_s32); - break; - default: - g_assert_not_reached(); - } + gen_gvec_fn3(s, is_q, rd, rn, rm, gen_gvec_sqrdmlsh_qc, size); return; case 0x2: /* SDOT / UDOT */ diff --git a/target/arm/translate.c b/target/arm/translate.c index 391a09b439..39626e0df9 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -3629,20 +3629,26 @@ static const uint8_t neon_2rm_sizes[] = { [NEON_2RM_VCVT_UF] = 0x4, }; - -/* Expand v8.1 simd helper. */ -static int do_v81_helper(DisasContext *s, gen_helper_gvec_3_ptr *fn, - int q, int rd, int rn, int rm) +void gen_gvec_sqrdmlah_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs, + uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz) { - if (dc_isar_feature(aa32_rdm, s)) { - int opr_sz = (1 + q) * 8; - tcg_gen_gvec_3_ptr(vfp_reg_offset(1, rd), - vfp_reg_offset(1, rn), - vfp_reg_offset(1, rm), cpu_env, - opr_sz, opr_sz, 0, fn); - return 0; - } - return 1; + static gen_helper_gvec_3_ptr * const fns[2] = { + gen_helper_gvec_qrdmlah_s16, gen_helper_gvec_qrdmlah_s32 + }; + tcg_debug_assert(vece >= 1 && vece <= 2); + tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, cpu_env, + opr_sz, max_sz, 0, fns[vece - 1]); +} + +void gen_gvec_sqrdmlsh_qc(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs, + uint32_t rm_ofs, uint32_t opr_sz, uint32_t max_sz) +{ + static gen_helper_gvec_3_ptr * const fns[2] = { + gen_helper_gvec_qrdmlsh_s16, gen_helper_gvec_qrdmlsh_s32 + }; + tcg_debug_assert(vece >= 1 && vece <= 2); + tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, cpu_env, + opr_sz, max_sz, 0, fns[vece - 1]); } #define GEN_CMP0(NAME, COND) \ @@ -5197,13 +5203,10 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; /* VPADD */ } /* VQRDMLAH */ - switch (size) { - case 1: - return do_v81_helper(s, gen_helper_gvec_qrdmlah_s16, - q, rd, rn, rm); - case 2: - return do_v81_helper(s, gen_helper_gvec_qrdmlah_s32, - q, rd, rn, rm); + if (dc_isar_feature(aa32_rdm, s) && (size == 1 || size == 2)) { + gen_gvec_sqrdmlah_qc(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + return 0; } return 1; @@ -5216,13 +5219,10 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; } /* VQRDMLSH */ - switch (size) { - case 1: - return do_v81_helper(s, gen_helper_gvec_qrdmlsh_s16, - q, rd, rn, rm); - case 2: - return do_v81_helper(s, gen_helper_gvec_qrdmlsh_s32, - q, rd, rn, rm); + if (dc_isar_feature(aa32_rdm, s) && (size == 1 || size == 2)) { + gen_gvec_sqrdmlsh_qc(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + return 0; } return 1; -- 2.20.1