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([203.56.128.103]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70b7ecd603bsm7330404b3a.219.2024.07.16.23.09.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jul 2024 23:09:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721196559; x=1721801359; 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=L50cMFgY8xp9UNkN7NVIRy+rY10HarTYUNyP2m/NWeU=; b=IsQp/wZDpu8zLgwZAb0SbFhmaMOsmMnQ4UKFX3/VppMXOjkux3SW+KDFI2N/Bp6+8F ASz2BDceSrwj4mD3ucP4rL9+nLKJTkVDj8Q9zRFwMI+EJ8/CbzG6FD+kXjggrbZVabzo fo322R/pORCFszttDv/1jBG8CO7ckXGFJKxOFdPTEy7rd4siYhCrm7kvnVUqvbC277PI N4sB5dJRhAMfP9/QkAaflm3J8pketNVs7IIPQIG7Q3G9WAknPlSKpf+49sqjvcQaY2bj DTmm3UYmjvDWlADzKiNNtBYuLHGoCDwkKf6MbHlQzEhf1TnPvc5DQuOBXQtKG3QdFxgn 0nXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721196559; x=1721801359; 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=L50cMFgY8xp9UNkN7NVIRy+rY10HarTYUNyP2m/NWeU=; b=Y0IUojmIO8tPJpKgTtSWCnQdv7PaoXVL0YfdjmdxBCkLUYlbrAMOWrPPYfHt8LSwuR EfCbUqc/qSiLnpSR18aSSFJxljV6QMjBaIgvRKRx0IInKPiyPPScNceviqacAikrx4Ii JxcZ4Z1H+XmPCXLkunPgMFU812a2YW23OEj2+Ez/L3uASteh06Nq7NBK9F5WCcuCk/fI oJsI2u8Tw74gFuBnNPqkwVV8cQtyjWSX71z2GT3yF0SaWT+A3Y4RHW+pRfy7o8f8Yqtc K/XU6DfqQ9DOD/y6PXtN/IWGnm0FuMfG1aOAoFHVymJylOw0GR9chM3Gf4KFTPlUMqwF clMQ== X-Gm-Message-State: AOJu0Yz3b98uWiL6MpOHBQAZTT93qF4F5mleAalCBdycihH7DmGUphTf ux0NI6Rg0q6e3uuhvuUjkuTpusK5R2ab9ULJyidVK8RVWHSSFScgjUiQ3Q2THvulKBvc6Um7vj4 CzDQ= X-Google-Smtp-Source: AGHT+IG7+VplK6yo0DmCdIg8IbahZjpS0D/QCL0K1cA3rpOPTn8ABDO8yWL2iFwj4GkDkpiXKru5aQ== X-Received: by 2002:a05:6830:4181:b0:703:ba24:7320 with SMTP id 46e09a7af769-708e378942fmr913594a34.10.1721196558470; Tue, 16 Jul 2024 23:09:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 03/17] target/arm: Convert TBL, TBX to decodetree Date: Wed, 17 Jul 2024 16:08:49 +1000 Message-ID: <20240717060903.205098-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240717060903.205098-1-richard.henderson@linaro.org> References: <20240717060903.205098-1-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::331; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x331.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1721196717248116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/tcg/translate-a64.c | 47 ++++++++++------------------------ target/arm/tcg/a64.decode | 4 +++ 2 files changed, 18 insertions(+), 33 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 6ca24d9842..7e3bde93fe 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4657,6 +4657,20 @@ static bool trans_EXTR(DisasContext *s, arg_extract = *a) return true; } =20 +static bool trans_TBL_TBX(DisasContext *s, arg_TBL_TBX *a) +{ + if (fp_access_check(s)) { + int len =3D (a->len + 1) * 16; + + tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rm), tcg_env, + a->q ? 16 : 8, vec_full_reg_size(s), + (len << 6) | (a->tbx << 5) | a->rn, + gen_helper_simd_tblx); + } + return true; +} + /* * Cryptographic AES, SHA, SHA512 */ @@ -8897,38 +8911,6 @@ static void disas_data_proc_fp(DisasContext *s, uint= 32_t insn) } } =20 -/* TBL/TBX - * 31 30 29 24 23 22 21 20 16 15 14 13 12 11 10 9 5 4 = 0 - * +---+---+-------------+-----+---+------+---+-----+----+-----+------+---= ---+ - * | 0 | Q | 0 0 1 1 1 0 | op2 | 0 | Rm | 0 | len | op | 0 0 | Rn | R= d | - * +---+---+-------------+-----+---+------+---+-----+----+-----+------+---= ---+ - */ -static void disas_simd_tb(DisasContext *s, uint32_t insn) -{ - int op2 =3D extract32(insn, 22, 2); - int is_q =3D extract32(insn, 30, 1); - int rm =3D extract32(insn, 16, 5); - int rn =3D extract32(insn, 5, 5); - int rd =3D extract32(insn, 0, 5); - int is_tbx =3D extract32(insn, 12, 1); - int len =3D (extract32(insn, 13, 2) + 1) * 16; - - if (op2 !=3D 0) { - unallocated_encoding(s); - return; - } - - if (!fp_access_check(s)) { - return; - } - - tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, rd), - vec_full_reg_offset(s, rm), tcg_env, - is_q ? 16 : 8, vec_full_reg_size(s), - (len << 6) | (is_tbx << 5) | rn, - gen_helper_simd_tblx); -} - /* ZIP/UZP/TRN * 31 30 29 24 23 22 21 20 16 15 14 12 11 10 9 5 4 0 * +---+---+-------------+------+---+------+---+------------------+------+ @@ -11792,7 +11774,6 @@ static const AArch64DecodeTable data_proc_simd[] = =3D { /* simd_mod_imm decode is a subset of simd_shift_imm, so must precede = it */ { 0x0f000400, 0x9ff80400, disas_simd_mod_imm }, { 0x0f000400, 0x9f800400, disas_simd_shift_imm }, - { 0x0e000000, 0xbf208c00, disas_simd_tb }, { 0x0e000800, 0xbf208c00, disas_simd_zip_trn }, { 0x5e200800, 0xdf3e0c00, disas_simd_scalar_two_reg_misc }, { 0x5f000400, 0xdf800400, disas_simd_scalar_shift_imm }, diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 05927fade6..45896902d5 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1141,3 +1141,7 @@ FNMSUB 0001 1111 .. 1 ..... 1 ..... ..... ..= ... @rrrr_hsd =20 EXT_d 0010 1110 00 0 rm:5 00 imm:3 0 rn:5 rd:5 EXT_q 0110 1110 00 0 rm:5 0 imm:4 0 rn:5 rd:5 + +# Advanced SIMD Table Lookup + +TBL_TBX 0 q:1 00 1110 000 rm:5 0 len:2 tbx:1 00 rn:5 rd:5 --=20 2.43.0