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[174.21.72.5]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f44c759ceesm19178305ad.10.2024.05.24.16.21.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 May 2024 16:21:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v2 35/67] target/arm: Convert FMLAL, FMLSL to decodetree Date: Fri, 24 May 2024 16:20:49 -0700 Message-Id: <20240524232121.284515-36-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240524232121.284515-1-richard.henderson@linaro.org> References: <20240524232121.284515-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::536; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x536.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/a64.decode | 10 +++ target/arm/tcg/translate-a64.c | 144 ++++++++++----------------------- 2 files changed, 51 insertions(+), 103 deletions(-) diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 22dfe8568d..7e993ed345 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -797,6 +797,11 @@ FMLA_v 0.00 1110 0.1 ..... 11001 1 ..... ..... @qrrr_sd FMLS_v 0.00 1110 110 ..... 00001 1 ..... ..... @qrrr_h FMLS_v 0.00 1110 1.1 ..... 11001 1 ..... ..... @qrrr_sd +FMLAL_v 0.00 1110 001 ..... 11101 1 ..... ..... @qrrr_h +FMLSL_v 0.00 1110 101 ..... 11101 1 ..... ..... @qrrr_h +FMLAL2_v 0.10 1110 001 ..... 11001 1 ..... ..... @qrrr_h +FMLSL2_v 0.10 1110 101 ..... 11001 1 ..... ..... @qrrr_h + FCMEQ_v 0.00 1110 010 ..... 00100 1 ..... ..... @qrrr_h FCMEQ_v 0.00 1110 0.1 ..... 11100 1 ..... ..... @qrrr_sd @@ -877,3 +882,8 @@ FMLS_vi 0.00 1111 11 0 ..... 0101 . 0 ..... ..... @qrrx_d FMULX_vi 0.10 1111 00 .. .... 1001 . 0 ..... ..... @qrrx_h FMULX_vi 0.10 1111 10 . ..... 1001 . 0 ..... ..... @qrrx_s FMULX_vi 0.10 1111 11 0 ..... 1001 . 0 ..... ..... @qrrx_d + +FMLAL_vi 0.00 1111 10 .. .... 0000 . 0 ..... ..... @qrrx_h +FMLSL_vi 0.00 1111 10 .. .... 0100 . 0 ..... ..... @qrrx_h +FMLAL2_vi 0.10 1111 10 .. .... 1000 . 0 ..... ..... @qrrx_h +FMLSL2_vi 0.10 1111 10 .. .... 1100 . 0 ..... ..... @qrrx_h diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 9fe70a939b..a4ff1fd202 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -5256,6 +5256,24 @@ static gen_helper_gvec_3_ptr * const f_vector_fminnmp[3] = { }; TRANS(FMINNMP_v, do_fp3_vector, a, f_vector_fminnmp) +static bool do_fmlal(DisasContext *s, arg_qrrr_e *a, bool is_s, bool is_2) +{ + if (fp_access_check(s)) { + int data = (is_2 << 1) | is_s; + tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vec_full_reg_offset(s, a->rm), tcg_env, + a->q ? 16 : 8, vec_full_reg_size(s), + data, gen_helper_gvec_fmlal_a64); + } + return true; +} + +TRANS_FEAT(FMLAL_v, aa64_fhm, do_fmlal, a, false, false) +TRANS_FEAT(FMLSL_v, aa64_fhm, do_fmlal, a, true, false) +TRANS_FEAT(FMLAL2_v, aa64_fhm, do_fmlal, a, false, true) +TRANS_FEAT(FMLSL2_v, aa64_fhm, do_fmlal, a, true, true) + TRANS(ADDP_v, do_gvec_fn3, a, gen_gvec_addp) TRANS(SMAXP_v, do_gvec_fn3_no64, a, gen_gvec_smaxp) TRANS(SMINP_v, do_gvec_fn3_no64, a, gen_gvec_sminp) @@ -5447,6 +5465,24 @@ static bool do_fmla_vector_idx(DisasContext *s, arg_qrrx_e *a, bool neg) TRANS(FMLA_vi, do_fmla_vector_idx, a, false) TRANS(FMLS_vi, do_fmla_vector_idx, a, true) +static bool do_fmlal_idx(DisasContext *s, arg_qrrx_e *a, bool is_s, bool is_2) +{ + if (fp_access_check(s)) { + int data = (a->idx << 2) | (is_2 << 1) | is_s; + tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vec_full_reg_offset(s, a->rm), tcg_env, + a->q ? 16 : 8, vec_full_reg_size(s), + data, gen_helper_gvec_fmlal_idx_a64); + } + return true; +} + +TRANS_FEAT(FMLAL_vi, aa64_fhm, do_fmlal_idx, a, false, false) +TRANS_FEAT(FMLSL_vi, aa64_fhm, do_fmlal_idx, a, true, false) +TRANS_FEAT(FMLAL2_vi, aa64_fhm, do_fmlal_idx, a, false, true) +TRANS_FEAT(FMLSL2_vi, aa64_fhm, do_fmlal_idx, a, true, true) + /* * Advanced SIMD scalar pairwise */ @@ -10911,78 +10947,6 @@ static void disas_simd_3same_logic(DisasContext *s, uint32_t insn) } } -/* Floating point op subgroup of C3.6.16. */ -static void disas_simd_3same_float(DisasContext *s, uint32_t insn) -{ - /* For floating point ops, the U, size[1] and opcode bits - * together indicate the operation. size[0] indicates single - * or double. - */ - int fpopcode = extract32(insn, 11, 5) - | (extract32(insn, 23, 1) << 5) - | (extract32(insn, 29, 1) << 6); - int is_q = extract32(insn, 30, 1); - int size = extract32(insn, 22, 1); - int rm = extract32(insn, 16, 5); - int rn = extract32(insn, 5, 5); - int rd = extract32(insn, 0, 5); - - if (size == 1 && !is_q) { - unallocated_encoding(s); - return; - } - - switch (fpopcode) { - case 0x1d: /* FMLAL */ - case 0x3d: /* FMLSL */ - case 0x59: /* FMLAL2 */ - case 0x79: /* FMLSL2 */ - if (size & 1 || !dc_isar_feature(aa64_fhm, s)) { - unallocated_encoding(s); - return; - } - if (fp_access_check(s)) { - int is_s = extract32(insn, 23, 1); - int is_2 = extract32(insn, 29, 1); - int data = (is_2 << 1) | is_s; - tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd), - vec_full_reg_offset(s, rn), - vec_full_reg_offset(s, rm), tcg_env, - is_q ? 16 : 8, vec_full_reg_size(s), - data, gen_helper_gvec_fmlal_a64); - } - return; - - default: - case 0x18: /* FMAXNM */ - case 0x19: /* FMLA */ - case 0x1a: /* FADD */ - case 0x1b: /* FMULX */ - case 0x1c: /* FCMEQ */ - case 0x1e: /* FMAX */ - case 0x1f: /* FRECPS */ - case 0x38: /* FMINNM */ - case 0x39: /* FMLS */ - case 0x3a: /* FSUB */ - case 0x3e: /* FMIN */ - case 0x3f: /* FRSQRTS */ - case 0x58: /* FMAXNMP */ - case 0x5a: /* FADDP */ - case 0x5b: /* FMUL */ - case 0x5c: /* FCMGE */ - case 0x5d: /* FACGE */ - case 0x5e: /* FMAXP */ - case 0x5f: /* FDIV */ - case 0x78: /* FMINNMP */ - case 0x7a: /* FABD */ - case 0x7d: /* FACGT */ - case 0x7c: /* FCMGT */ - case 0x7e: /* FMINP */ - unallocated_encoding(s); - return; - } -} - /* Integer op subgroup of C3.6.16. */ static void disas_simd_3same_int(DisasContext *s, uint32_t insn) { @@ -11251,16 +11215,13 @@ static void disas_simd_three_reg_same(DisasContext *s, uint32_t insn) case 0x3: /* logic ops */ disas_simd_3same_logic(s, insn); break; - case 0x18 ... 0x31: - /* floating point ops, sz[1] and U are part of opcode */ - disas_simd_3same_float(s, insn); - break; default: disas_simd_3same_int(s, insn); break; case 0x14: /* SMAXP, UMAXP */ case 0x15: /* SMINP, UMINP */ case 0x17: /* ADDP */ + case 0x18 ... 0x31: /* floating point ops */ unallocated_encoding(s); break; } @@ -12526,22 +12487,15 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) } is_fp = 2; break; - case 0x00: /* FMLAL */ - case 0x04: /* FMLSL */ - case 0x18: /* FMLAL2 */ - case 0x1c: /* FMLSL2 */ - if (is_scalar || size != MO_32 || !dc_isar_feature(aa64_fhm, s)) { - unallocated_encoding(s); - return; - } - size = MO_16; - /* is_fp, but we pass tcg_env not fp_status. */ - break; default: + case 0x00: /* FMLAL */ case 0x01: /* FMLA */ + case 0x04: /* FMLSL */ case 0x05: /* FMLS */ case 0x09: /* FMUL */ + case 0x18: /* FMLAL2 */ case 0x19: /* FMULX */ + case 0x1c: /* FMLSL2 */ unallocated_encoding(s); return; } @@ -12660,22 +12614,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) } return; - case 0x00: /* FMLAL */ - case 0x04: /* FMLSL */ - case 0x18: /* FMLAL2 */ - case 0x1c: /* FMLSL2 */ - { - int is_s = extract32(opcode, 2, 1); - int is_2 = u; - int data = (index << 2) | (is_2 << 1) | is_s; - tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd), - vec_full_reg_offset(s, rn), - vec_full_reg_offset(s, rm), tcg_env, - is_q ? 16 : 8, vec_full_reg_size(s), - data, gen_helper_gvec_fmlal_idx_a64); - } - return; - case 0x08: /* MUL */ if (!is_long && !is_scalar) { static gen_helper_gvec_3 * const fns[3] = {