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[187.189.51.143]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-71d7254473asm1822220a34.27.2024.12.01.07.06.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Dec 2024 07:06:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733065586; x=1733670386; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=W0Kyjmr0WOluioy2h/qO52iqWK3XVuY0W6MyzBGu6bc=; b=xHEOnRUtavHc9u35sl2VFgPOPE0xQjDCZhKR2MkeJeMsNHGeHQwE8lsyo2dZz5I3lo QqU5D/Mw/2+n1dJWAP6jeLzLvytEgabUZ1lf4XNXTSHfcxgXSy56rIZ2G8iAl8pOK0sj xQnGObaiYjong0xgxhVOjM+jnfI+DlRDluUO9fZE5Hkaf/FUqvD5gnLReMZeXwbDa/MZ h6HFa3OuftkDlNFnVipXBeOegtxdNCHE3yrWNXW8rbRzZnrOZmZ+nIM1DvvhlYTl98MV nYt4+wyYacy3WUrRY9OAlk2JAP5yYj7OX8oznNf/yLRrqh4RaEV6z5DnyJ0TmPAsAHVJ csBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733065586; x=1733670386; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=W0Kyjmr0WOluioy2h/qO52iqWK3XVuY0W6MyzBGu6bc=; b=UvcfQLvfngaeiKTF+8kkA0qtizdQmv9uWKI6U1nNM7LF2eKAGRi5KrSMhU0BoxhReT 3AgZ5Pu863zBrnGNI5FYcfZgzOHyB5TupsuqIqn1GkcC5uXaxQnHja0o0SBj3tWF4Mff 81gcQKEFMBZQv04JmuVrUswk6U7OpzTsy0QPD58JxX+VClpsTVO2qwQfnuWSEG1N2gjy 1D7wauOjg3q4ZPq9l0ioNRqOVl1pI9gi5CdNFxAkyussuju5F8ev61H4fyO38QvK2KJq awsTRv9EN5XgemsoFbAfTBSOcg85iDNkynHo1BvZPEo+2qH+ktyYyVg4AIXeF4PLnkH2 fw0A== X-Gm-Message-State: AOJu0Yz2YJIh/12/ji3ZNrAjFJR7hkoBwGnaMdXGT3hSvJl7i/MsxvoU h10iXVHHbzTvtuZ1mWapp4lKZQVY16Cidis90IIF34r5Dh5u7rNpNkC3YXRnYNM+fLpmFOU5p9g 6NMg= X-Gm-Gg: ASbGncsWS0b0MhQMhvfeUJ1+GEJlLm5a2k/hVJODknuExkEFODddb2SdqfNGuJuj2KE mEQaflvqQCfqXMZCs5YXgqgFVl40yd8MfygR4r1CkgpkYaNuntbCSyzq44vA3nvqGKAfKgVZZdS x448SY0+m8Ch+3XNsdHp37SjqUGcU2aiEwSFP7SIMgc0kQRpyZdkFCepVZ1bJes2dygn2B/G8PG nOM7iFxdY2XkHC9b4j0wNmUIbI2akE+VtWfjRlZcl5r35zF0TShbHvMNDjjm/TK3ukglYBYMWrn fDF1wQdscpYazV6fESLK139AsMDDrPKmOkLF X-Google-Smtp-Source: AGHT+IHyUxmUxr3EfCHd04dRX9AAiMkV91J4pnVCWI6117m+X1TrEgO1AlZT6HCp+/m/f5bYlXyspQ== X-Received: by 2002:a05:6830:924:b0:71d:5f7d:148e with SMTP id 46e09a7af769-71d65c92ec1mr16566325a34.8.1733065585824; Sun, 01 Dec 2024 07:06:25 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 14/67] target/arm: Convert disas_data_proc_3src to decodetree Date: Sun, 1 Dec 2024 09:05:13 -0600 Message-ID: <20241201150607.12812-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241201150607.12812-1-richard.henderson@linaro.org> References: <20241201150607.12812-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::c32; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc32.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1733065852257116600 Content-Type: text/plain; charset="utf-8" This includes MADD, MSUB, SMADDL, SMSUBL, UMADDL, UMSUBL, SMULH, UMULH. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-a64.c | 119 ++++++++++++--------------------- target/arm/tcg/a64.decode | 16 +++++ 2 files changed, 59 insertions(+), 76 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index d570bbb696..99ff787c61 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -7955,98 +7955,68 @@ TRANS(SUB_r, do_addsub_reg, a, true, false) TRANS(ADDS_r, do_addsub_reg, a, false, true) TRANS(SUBS_r, do_addsub_reg, a, true, true) =20 -/* Data-processing (3 source) - * - * 31 30 29 28 24 23 21 20 16 15 14 10 9 5 4 0 - * +--+------+-----------+------+------+----+------+------+------+ - * |sf| op54 | 1 1 0 1 1 | op31 | Rm | o0 | Ra | Rn | Rd | - * +--+------+-----------+------+------+----+------+------+------+ - */ -static void disas_data_proc_3src(DisasContext *s, uint32_t insn) +static bool do_mulh(DisasContext *s, arg_rrr *a, + void (*fn)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64)) { - int rd =3D extract32(insn, 0, 5); - int rn =3D extract32(insn, 5, 5); - int ra =3D extract32(insn, 10, 5); - int rm =3D extract32(insn, 16, 5); - int op_id =3D (extract32(insn, 29, 3) << 4) | - (extract32(insn, 21, 3) << 1) | - extract32(insn, 15, 1); - bool sf =3D extract32(insn, 31, 1); - bool is_sub =3D extract32(op_id, 0, 1); - bool is_high =3D extract32(op_id, 2, 1); - bool is_signed =3D false; - TCGv_i64 tcg_op1; - TCGv_i64 tcg_op2; - TCGv_i64 tcg_tmp; + TCGv_i64 discard =3D tcg_temp_new_i64(); + TCGv_i64 tcg_rd =3D cpu_reg(s, a->rd); + TCGv_i64 tcg_rn =3D cpu_reg(s, a->rn); + TCGv_i64 tcg_rm =3D cpu_reg(s, a->rm); =20 - /* Note that op_id is sf:op54:op31:o0 so it includes the 32/64 size fl= ag */ - switch (op_id) { - case 0x42: /* SMADDL */ - case 0x43: /* SMSUBL */ - case 0x44: /* SMULH */ - is_signed =3D true; - break; - case 0x0: /* MADD (32bit) */ - case 0x1: /* MSUB (32bit) */ - case 0x40: /* MADD (64bit) */ - case 0x41: /* MSUB (64bit) */ - case 0x4a: /* UMADDL */ - case 0x4b: /* UMSUBL */ - case 0x4c: /* UMULH */ - break; - default: - unallocated_encoding(s); - return; - } + fn(discard, tcg_rd, tcg_rn, tcg_rm); + return true; +} =20 - if (is_high) { - TCGv_i64 low_bits =3D tcg_temp_new_i64(); /* low bits discarded */ - TCGv_i64 tcg_rd =3D cpu_reg(s, rd); - TCGv_i64 tcg_rn =3D cpu_reg(s, rn); - TCGv_i64 tcg_rm =3D cpu_reg(s, rm); +TRANS(SMULH, do_mulh, a, tcg_gen_muls2_i64) +TRANS(UMULH, do_mulh, a, tcg_gen_mulu2_i64) =20 - if (is_signed) { - tcg_gen_muls2_i64(low_bits, tcg_rd, tcg_rn, tcg_rm); - } else { - tcg_gen_mulu2_i64(low_bits, tcg_rd, tcg_rn, tcg_rm); - } - return; - } +static bool do_muladd(DisasContext *s, arg_rrrr *a, + bool sf, bool is_sub, MemOp mop) +{ + TCGv_i64 tcg_rd =3D cpu_reg(s, a->rd); + TCGv_i64 tcg_op1, tcg_op2; =20 - tcg_op1 =3D tcg_temp_new_i64(); - tcg_op2 =3D tcg_temp_new_i64(); - tcg_tmp =3D tcg_temp_new_i64(); - - if (op_id < 0x42) { - tcg_gen_mov_i64(tcg_op1, cpu_reg(s, rn)); - tcg_gen_mov_i64(tcg_op2, cpu_reg(s, rm)); + if (mop =3D=3D MO_64) { + tcg_op1 =3D cpu_reg(s, a->rn); + tcg_op2 =3D cpu_reg(s, a->rm); } else { - if (is_signed) { - tcg_gen_ext32s_i64(tcg_op1, cpu_reg(s, rn)); - tcg_gen_ext32s_i64(tcg_op2, cpu_reg(s, rm)); - } else { - tcg_gen_ext32u_i64(tcg_op1, cpu_reg(s, rn)); - tcg_gen_ext32u_i64(tcg_op2, cpu_reg(s, rm)); - } + tcg_op1 =3D tcg_temp_new_i64(); + tcg_op2 =3D tcg_temp_new_i64(); + tcg_gen_ext_i64(tcg_op1, cpu_reg(s, a->rn), mop); + tcg_gen_ext_i64(tcg_op2, cpu_reg(s, a->rm), mop); } =20 - if (ra =3D=3D 31 && !is_sub) { + if (a->ra =3D=3D 31 && !is_sub) { /* Special-case MADD with rA =3D=3D XZR; it is the standard MUL al= ias */ - tcg_gen_mul_i64(cpu_reg(s, rd), tcg_op1, tcg_op2); + tcg_gen_mul_i64(tcg_rd, tcg_op1, tcg_op2); } else { + TCGv_i64 tcg_tmp =3D tcg_temp_new_i64(); + TCGv_i64 tcg_ra =3D cpu_reg(s, a->ra); + tcg_gen_mul_i64(tcg_tmp, tcg_op1, tcg_op2); if (is_sub) { - tcg_gen_sub_i64(cpu_reg(s, rd), cpu_reg(s, ra), tcg_tmp); + tcg_gen_sub_i64(tcg_rd, tcg_ra, tcg_tmp); } else { - tcg_gen_add_i64(cpu_reg(s, rd), cpu_reg(s, ra), tcg_tmp); + tcg_gen_add_i64(tcg_rd, tcg_ra, tcg_tmp); } } =20 if (!sf) { - tcg_gen_ext32u_i64(cpu_reg(s, rd), cpu_reg(s, rd)); + tcg_gen_ext32u_i64(tcg_rd, tcg_rd); } + return true; } =20 +TRANS(MADD_w, do_muladd, a, false, false, MO_64) +TRANS(MSUB_w, do_muladd, a, false, true, MO_64) +TRANS(MADD_x, do_muladd, a, true, false, MO_64) +TRANS(MSUB_x, do_muladd, a, true, true, MO_64) + +TRANS(SMADDL, do_muladd, a, true, false, MO_SL) +TRANS(SMSUBL, do_muladd, a, true, true, MO_SL) +TRANS(UMADDL, do_muladd, a, true, false, MO_UL) +TRANS(UMSUBL, do_muladd, a, true, true, MO_UL) + /* Add/subtract (with carry) * 31 30 29 28 27 26 25 24 23 22 21 20 16 15 10 9 5 4 0 * +--+--+--+------------------------+------+-------------+------+-----+ @@ -8364,13 +8334,10 @@ static void disas_data_proc_reg(DisasContext *s, ui= nt32_t insn) disas_cond_select(s, insn); break; =20 - case 0x8 ... 0xf: /* (3 source) */ - disas_data_proc_3src(s, insn); - break; - default: do_unallocated: case 0x6: /* Data-processing */ + case 0x8 ... 0xf: /* (3 source) */ unallocated_encoding(s); break; } diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 4d422a7191..c6609749ae 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -753,6 +753,22 @@ SUBS_ext . 11 01011001 ..... ... ... ..... ....= . @addsub_ext # Conditional select # Data Processing (3-source) =20 +&rrrr rd rn rm ra +@rrrr . .. ........ rm:5 . ra:5 rn:5 rd:5 &rrrr + +MADD_w 0 00 11011000 ..... 0 ..... ..... ..... @rrrr +MSUB_w 0 00 11011000 ..... 1 ..... ..... ..... @rrrr +MADD_x 1 00 11011000 ..... 0 ..... ..... ..... @rrrr +MSUB_x 1 00 11011000 ..... 1 ..... ..... ..... @rrrr + +SMADDL 1 00 11011001 ..... 0 ..... ..... ..... @rrrr +SMSUBL 1 00 11011001 ..... 1 ..... ..... ..... @rrrr +UMADDL 1 00 11011101 ..... 0 ..... ..... ..... @rrrr +UMSUBL 1 00 11011101 ..... 1 ..... ..... ..... @rrrr + +SMULH 1 00 11011010 ..... 0 11111 ..... ..... @rrr +UMULH 1 00 11011110 ..... 0 11111 ..... ..... @rrr + ### Cryptographic AES =20 AESE 01001110 00 10100 00100 10 ..... ..... @r2r_q1e0 --=20 2.43.0