From patchwork Mon Sep 9 16:22:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 826616 Delivered-To: patch@linaro.org Received: by 2002:adf:a345:0:b0:367:895a:4699 with SMTP id d5csp2101482wrb; Mon, 9 Sep 2024 09:28:29 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCX3U3KXlEBqrkFHhvSLKTDiQCvefvF7Co67QpHai013jMesMvjmdzVnPTkOOXG7O1nhRz9gAQ==@linaro.org X-Google-Smtp-Source: AGHT+IEScfTCAVYw7JACAa4A/TLmQZLAhqbNsUCYEdSU6Ibf04zFCXwDA1iq19rbsM+Mp4w2FqE7 X-Received: by 2002:a05:6808:10c3:b0:3d9:2925:cd37 with SMTP id 5614622812f47-3e037a62428mr5865607b6e.2.1725899308933; Mon, 09 Sep 2024 09:28:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1725899308; cv=none; d=google.com; s=arc-20240605; b=NFdewtDIrF3HFolhIfm6JB4yO+DXzbRlsnFyENYmBipjaGtmTG4OfuGOA5/sW+biIU piEUaxmnszQImXEI12SNNaYvT/Yx2Xs9KGOq1AzOS94mvwDleqcDulnwQkDXNXL+ERX6 jWcnW7EUvMwT4MTf402/i8L71+6nlqCsTyd2B3KP+moSWSuifuY3Xb7MjSYRtdt3flgd lgKAaqNY0z6cJrcJou7HgH5xRKJ08MVfuDtWVF67iQYVz7/8Bum40PREXJ/2IX9RIBy1 J7t4KMfz8/hf7IpAX7gM39alGYupSSpXEJ9yMXtgsg9v0DUYDqGSpSAkDeLCMn5lsFhx Gn/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=GWjrw04iELmAczfBPyWyqBTlFr8LUX7vWfkc1TSxNTY=; fh=ZhBia3nL9o1nuf7SbgdYn/0pDmAeja6gisyWXi2cqYE=; b=A76yJ9OcGIL2eGLAvZJI5Wx//Nz9dDbta4QABF2JUVl2f+RWwn9r3itnXSimkB9oBS d3HErQZLmpU/3NZEsu+1xF6Zac21eIBCcL7zJt701z223b19w/SznTdO+pW9S7peprM/ 7RlvXSkzlZRCxUqVdy0uqWdLRrRKSaQDRGyO66MHx14k1aS2gPkhbBUn6v7U3o9C1zL1 mw4N1du9YND5jukl40vyv8gFCt/ROWK6AkbyyS5FB9wRnZDvRvoM1KFogOZGFNIK1Nbi vEL500/847C7KTTlswhnGXPEtsKoX9DFaxu7ids/KLam4czPZaF5NhJAhfk9hNLI8HY9 g92g==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=YD3Tbsa7; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id d75a77b69052e-45822fa70efsi57523431cf.536.2024.09.09.09.28.28 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Sep 2024 09:28:28 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=YD3Tbsa7; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1snhAE-0002Tw-3K; Mon, 09 Sep 2024 12:22:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1snhAB-0002Kz-Vg for qemu-devel@nongnu.org; Mon, 09 Sep 2024 12:22:51 -0400 Received: from mail-pl1-x633.google.com ([2607:f8b0:4864:20::633]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1snhAA-0007hY-8W for qemu-devel@nongnu.org; Mon, 09 Sep 2024 12:22:51 -0400 Received: by mail-pl1-x633.google.com with SMTP id d9443c01a7336-2068bee21d8so44264145ad.2 for ; Mon, 09 Sep 2024 09:22:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1725898969; x=1726503769; 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=GWjrw04iELmAczfBPyWyqBTlFr8LUX7vWfkc1TSxNTY=; b=YD3Tbsa7uCGX/CpiyTNNO9U98+cWuuDOXSNPTu9vRcQMVfuLS5HX86rq6BnaH9rPg1 Crd4/HFt92kGPhWug4hL9pcE2SKDpWqgcnpOVLNPnmKz8aqfFMI8i54LsE2f50rF10ck AuKhTAjbE9fyS3sVACxHv3oHS1tewjLqMuPSZDKNDyNBxh4dLz8DPg9lCtwk4KTZKfV+ QLtpGjf+zmFfPjrrmzHWrbVMJrdoNsb6OeWuDHyVC9L5AVMJtVdDrioHSi4OgU75TE6a apvg0zmioxld3Df0nNadRGLqq61t3GXxGvhxSxwHZ5HkGEbtSTjn5nwqUwKpHsQH0KPX aHhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725898969; x=1726503769; 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=GWjrw04iELmAczfBPyWyqBTlFr8LUX7vWfkc1TSxNTY=; b=YTYH009HGJ3sJqdZCrKLdjG31v23/72s6qgsX30+KJeI+epopWQdgtTDVZzSZ5SOtS ksDgoiXvalCz82pOf40nudI3N7ady0H4nbtGlUqQGqEYnHUlC/BiqShlImjWZR69bzy2 8FzT1nl2ayLbXUnn8jz7d+RW1QfLWqVhHb6h9hLlNRhYGEiquFpfXY34nL49QvmSn6Sv /inktxC8Fu+Ft/vm3udC8ZukujrYADGw2GX/rPe98ETZx3JTLjblwuO5GaP/ao72OnLt AQefyOygZQYfIu/h0z/aRew9dSbngE6WHLtyUQ+nv9dNMailAojWGXq40g8giRFhnrLr y95g== X-Gm-Message-State: AOJu0YzJeLn8SFjkxAmgjFo0zUFxzTRHGimcNERLCe5b6DvpBm9e7vpm oxTjXJzVmQM4A9hg8PK2eIcXHVuw6U1gkwWdsxqZWEDSgCZ5SV8NakZjIeDX1n5/4Q6ud8hGB4o K X-Received: by 2002:a17:903:1211:b0:207:14e9:eb22 with SMTP id d9443c01a7336-20714e9eb35mr107820135ad.6.1725898968888; Mon, 09 Sep 2024 09:22:48 -0700 (PDT) Received: from stoup.. (174-21-81-121.tukw.qwest.net. [174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20710f35d79sm35753305ad.288.2024.09.09.09.22.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Sep 2024 09:22:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v2 07/29] target/arm: Convert TBL, TBX to decodetree Date: Mon, 9 Sep 2024 09:22:17 -0700 Message-ID: <20240909162240.647173-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240909162240.647173-1-richard.henderson@linaro.org> References: <20240909162240.647173-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::633; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x633.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- 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 48188d4116..70173c67c2 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4680,6 +4680,20 @@ static bool trans_EXTR(DisasContext *s, arg_extract *a) return true; } +static bool trans_TBL_TBX(DisasContext *s, arg_TBL_TBX *a) +{ + if (fp_access_check(s)) { + int len = (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 */ @@ -8938,38 +8952,6 @@ static void disas_data_proc_fp(DisasContext *s, uint32_t insn) } } -/* 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 | Rd | - * +---+---+-------------+-----+---+------+---+-----+----+-----+------+------+ - */ -static void disas_simd_tb(DisasContext *s, uint32_t insn) -{ - int op2 = extract32(insn, 22, 2); - int is_q = extract32(insn, 30, 1); - int rm = extract32(insn, 16, 5); - int rn = extract32(insn, 5, 5); - int rd = extract32(insn, 0, 5); - int is_tbx = extract32(insn, 12, 1); - int len = (extract32(insn, 13, 2) + 1) * 16; - - if (op2 != 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 * +---+---+-------------+------+---+------+---+------------------+------+ @@ -11834,7 +11816,6 @@ static const AArch64DecodeTable data_proc_simd[] = { /* 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 f72f95865f..e2a3ef62ef 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1141,3 +1141,7 @@ FNMSUB 0001 1111 .. 1 ..... 1 ..... ..... ..... @rrrr_hsd 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