From patchwork Tue Jun 23 11:38:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 191430 Delivered-To: patch@linaro.org Received: by 2002:a54:3249:0:0:0:0:0 with SMTP id g9csp972111ecs; Tue, 23 Jun 2020 04:39:32 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzlLRWV/im30eGsqQO4PZZojjexZaqLQpithUmEFlS92gnZqgDjPwcD/OYkpeiSrYbOf8bw X-Received: by 2002:a25:a443:: with SMTP id f61mr34063751ybi.225.1592912372640; Tue, 23 Jun 2020 04:39:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592912372; cv=none; d=google.com; s=arc-20160816; b=CSAhrg6/yH+0e8Cw2KVQGSEIB0x3IIK3q3TWsCnDNN6KXnYr+cJdvd5/8ia0xhLXu3 9EsdVnoKUuJm3dmM4BPRP2/6EGZ6MYy6rQ2r21L43MBgqABss+GqWn3sgthdJkR6LnC8 7JvIjQpJ5eb3drZWAVR7sBG0HHpz09F7brjzMr09bbfpHGueM8Qz3xDEcwnVXav/4Yzm g6tWW3zNYcAQK0LWZnPRgLiEAzOY6hfG7AApZGfDwDBQtm3cJvayrgsm2KxST6mdu3ps jl2Iu4FJKVROgyLTCWr00PPpo+xGI5sNBF3HLCugPVhDkqmKZqIreG8uwHIjUiGWJvIf SjeA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; 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:to:from :dkim-signature; bh=gRw4h9UD+OhkmlKpVapEWtG7EMQyMl+l02GMd7Nx7gQ=; b=zgETuPGDRVkHEPCQ4lxlUtTG+EqfbzNwU7AdGMzchx24m8Q7QQK7ktBOPHwJanGFAd 3nNCJO7ZT+U4smd+J5W85HdHopWuegWrcTPO+zuqhpnMabkYkMlguD8i7Hsptsik+L5l fNVNpFAXzWgkBYnr/rMr9uXLDSBV+04F/KZKdO5l+e37kkzz1Nd3J4ZZiAZ9pRsJoREd NsCsvZnqQrBtTSCPYC53RS6KfZek5Wsw7C4Zib9oTNGBpRzQ93diinS8/iT1ibbn2UCr +cpdzh7EH0FjtelA38d3pxNj3TXBXBDtQawwYfpzC3jHY5J7wUwFn+R0dcBCnDrtNfcw YtOQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="J/JPg4MO"; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id e67si15991113ybc.346.2020.06.23.04.39.32 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 23 Jun 2020 04:39:32 -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="J/JPg4MO"; 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 Received: from localhost ([::1]:54014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jnhH1-0002Qf-I1 for patch@linaro.org; Tue, 23 Jun 2020 07:39:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jnhGl-0002LX-Jj for qemu-devel@nongnu.org; Tue, 23 Jun 2020 07:39:15 -0400 Received: from mail-wr1-x42d.google.com ([2a00:1450:4864:20::42d]:42331) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jnhGj-00038L-PC for qemu-devel@nongnu.org; Tue, 23 Jun 2020 07:39:15 -0400 Received: by mail-wr1-x42d.google.com with SMTP id o11so12447945wrv.9 for ; Tue, 23 Jun 2020 04:39:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=gRw4h9UD+OhkmlKpVapEWtG7EMQyMl+l02GMd7Nx7gQ=; b=J/JPg4MOIZ9G/GdLzWL0gACIH/2SbKQ6yj8I+oLnsfCrA6f9zH3PMoGizb6bfTxF4R MfB66WMb8t1eGSsTs5thuNcRs76dg3zfEL5ljW8f8pJzKlLVf7kD2/kSdEi2hfVnmUMD 0teMKNTVViJya/3KxKuiNxtrPTBkwsLl0UH12eEowyN9JTZVbxX9e30eUzfiEVYpTj1G aOO+a2hijGtgFBEWyc496UPVDSeJQAq877y2NhYow2RU0eFrfTetRyQnkCx+HmhsF7QY 72KT8KiifMFxhTO1P+5x6huptbPmJsWssEs2nczl37geEC3fklCmg5rX7E0zURsd3LQ/ +8uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gRw4h9UD+OhkmlKpVapEWtG7EMQyMl+l02GMd7Nx7gQ=; b=kBlFB6uVe0uj0kseqpoCtX1oiaSvNpTSwqfFILhRTLUguRayL/jvtliV5rgtGh95pI mTE2UT1oF3Nu3bQk6+RkwXcF/kIqxFSrf9nX+JsxbiSBrvmMMI9ROHJONFynvRlDLKGw KNt8UfS3+pB9xHW8Dy99USHOzA1Kj7xEUpJxK3bfs4W3u0uhYP7K7oeetbGo7rqzmhC5 dpikpT5oQ20QXl/EkscPyEq7j+fBIYSyRtq1ZwZvP+Zcdqw3SZpcyv2bK2cH9Y4InE42 FOXJqUZvnvfCx2WTOTanhVTKWO37UsgeUnOpM2mYldmYpjzaW2njLnCrmAfpIdXRAY4L L+UA== X-Gm-Message-State: AOAM531XCuDUtCWJ2kayNlXp5VksmIKfAmbyZ+L5aTyGH2+OFB2DYROI Bs6dDTh4oz4qqJaCfs749tthM4HhrMySpg== X-Received: by 2002:adf:db4d:: with SMTP id f13mr20903981wrj.336.1592912351949; Tue, 23 Jun 2020 04:39:11 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id m10sm4022177wru.4.2020.06.23.04.39.10 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2020 04:39:11 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 05/42] target/arm: Convert VZIP, VUZP to decodetree Date: Tue, 23 Jun 2020 12:38:27 +0100 Message-Id: <20200623113904.28805-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200623113904.28805-1-peter.maydell@linaro.org> References: <20200623113904.28805-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42d.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_HELO_NONE=0.001, SPF_PASS=-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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Convert the Neon VZIP and VUZP insns in the 2-reg-misc group to decodetree. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20200616170844.13318-4-peter.maydell@linaro.org --- target/arm/neon-dp.decode | 3 ++ target/arm/translate-neon.inc.c | 74 ++++++++++++++++++++++++++ target/arm/translate.c | 92 +-------------------------------- 3 files changed, 79 insertions(+), 90 deletions(-) -- 2.20.1 diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode index dd521baa07d..ad9e17fd737 100644 --- a/target/arm/neon-dp.decode +++ b/target/arm/neon-dp.decode @@ -447,6 +447,9 @@ Vimm_1r 1111 001 . 1 . 000 ... .... cmode:4 0 . op:1 1 .... @1reg_imm VPADAL_S 1111 001 11 . 11 .. 00 .... 0 1100 . . 0 .... @2misc VPADAL_U 1111 001 11 . 11 .. 00 .... 0 1101 . . 0 .... @2misc + + VUZP 1111 001 11 . 11 .. 10 .... 0 0010 . . 0 .... @2misc + VZIP 1111 001 11 . 11 .. 10 .... 0 0011 . . 0 .... @2misc ] # Subgroup for size != 0b11 diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c index 2f7bd0d556f..f4799dd9770 100644 --- a/target/arm/translate-neon.inc.c +++ b/target/arm/translate-neon.inc.c @@ -3169,3 +3169,77 @@ static bool trans_VPADAL_U(DisasContext *s, arg_2misc *a) return do_2misc_pairwise(s, a, widenfn[a->size], opfn[a->size], accfn[a->size]); } + +typedef void ZipFn(TCGv_ptr, TCGv_ptr); + +static bool do_zip_uzp(DisasContext *s, arg_2misc *a, + ZipFn *fn) +{ + TCGv_ptr pd, pm; + + if (!arm_dc_feature(s, ARM_FEATURE_NEON)) { + return false; + } + + /* UNDEF accesses to D16-D31 if they don't exist. */ + if (!dc_isar_feature(aa32_simd_r32, s) && + ((a->vd | a->vm) & 0x10)) { + return false; + } + + if ((a->vd | a->vm) & a->q) { + return false; + } + + if (!fn) { + /* Bad size or size/q combination */ + return false; + } + + if (!vfp_access_check(s)) { + return true; + } + + pd = vfp_reg_ptr(true, a->vd); + pm = vfp_reg_ptr(true, a->vm); + fn(pd, pm); + tcg_temp_free_ptr(pd); + tcg_temp_free_ptr(pm); + return true; +} + +static bool trans_VUZP(DisasContext *s, arg_2misc *a) +{ + static ZipFn * const fn[2][4] = { + { + gen_helper_neon_unzip8, + gen_helper_neon_unzip16, + NULL, + NULL, + }, { + gen_helper_neon_qunzip8, + gen_helper_neon_qunzip16, + gen_helper_neon_qunzip32, + NULL, + } + }; + return do_zip_uzp(s, a, fn[a->q][a->size]); +} + +static bool trans_VZIP(DisasContext *s, arg_2misc *a) +{ + static ZipFn * const fn[2][4] = { + { + gen_helper_neon_zip8, + gen_helper_neon_zip16, + NULL, + NULL, + }, { + gen_helper_neon_qzip8, + gen_helper_neon_qzip16, + gen_helper_neon_qzip32, + NULL, + } + }; + return do_zip_uzp(s, a, fn[a->q][a->size]); +} diff --git a/target/arm/translate.c b/target/arm/translate.c index 4405b034f77..442f287d861 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -2934,86 +2934,6 @@ static void gen_exception_return(DisasContext *s, TCGv_i32 pc) gen_rfe(s, pc, load_cpu_field(spsr)); } -static int gen_neon_unzip(int rd, int rm, int size, int q) -{ - TCGv_ptr pd, pm; - - if (!q && size == 2) { - return 1; - } - pd = vfp_reg_ptr(true, rd); - pm = vfp_reg_ptr(true, rm); - if (q) { - switch (size) { - case 0: - gen_helper_neon_qunzip8(pd, pm); - break; - case 1: - gen_helper_neon_qunzip16(pd, pm); - break; - case 2: - gen_helper_neon_qunzip32(pd, pm); - break; - default: - abort(); - } - } else { - switch (size) { - case 0: - gen_helper_neon_unzip8(pd, pm); - break; - case 1: - gen_helper_neon_unzip16(pd, pm); - break; - default: - abort(); - } - } - tcg_temp_free_ptr(pd); - tcg_temp_free_ptr(pm); - return 0; -} - -static int gen_neon_zip(int rd, int rm, int size, int q) -{ - TCGv_ptr pd, pm; - - if (!q && size == 2) { - return 1; - } - pd = vfp_reg_ptr(true, rd); - pm = vfp_reg_ptr(true, rm); - if (q) { - switch (size) { - case 0: - gen_helper_neon_qzip8(pd, pm); - break; - case 1: - gen_helper_neon_qzip16(pd, pm); - break; - case 2: - gen_helper_neon_qzip32(pd, pm); - break; - default: - abort(); - } - } else { - switch (size) { - case 0: - gen_helper_neon_zip8(pd, pm); - break; - case 1: - gen_helper_neon_zip16(pd, pm); - break; - default: - abort(); - } - } - tcg_temp_free_ptr(pd); - tcg_temp_free_ptr(pm); - return 0; -} - static void gen_neon_trn_u8(TCGv_i32 t0, TCGv_i32 t1) { TCGv_i32 rd, tmp; @@ -5082,6 +5002,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case NEON_2RM_VREV64: case NEON_2RM_VPADDL: case NEON_2RM_VPADDL_U: case NEON_2RM_VPADAL: case NEON_2RM_VPADAL_U: + case NEON_2RM_VUZP: + case NEON_2RM_VZIP: /* handled by decodetree */ return 1; case NEON_2RM_VTRN: @@ -5097,16 +5019,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) goto elementwise; } break; - case NEON_2RM_VUZP: - if (gen_neon_unzip(rd, rm, size, q)) { - return 1; - } - break; - case NEON_2RM_VZIP: - if (gen_neon_zip(rd, rm, size, q)) { - return 1; - } - break; case NEON_2RM_VMOVN: case NEON_2RM_VQMOVN: /* also VQMOVUN; op field and mnemonics don't line up */ if (rm & 1) {