From nobody Thu Nov 14 06:52:46 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1611951553; cv=none; d=zohomail.com; s=zohoarc; b=LpQVWMD6l0OhJE+CZJEVAz2+1EBxipRvffSL37Irlg1arJpTt1yIz1jUIIQLAHwIZ1p1thDpZvgMAHo8AU9FYysO5mfl8+Ml0PfBza/WwU2npvpwencMC/7sgs8k7o0/vm8FEGBDzcaLdefvcQWnLJgO2MmRdiHrEpn8BJgqNP0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611951553; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=/xX/J9vMnowuMWo8/HanLANiLouFut86e12omyKqeRo=; b=i9Ns+h7A2fw2RgMyc4R6F7SuIid//vuWD0Z6ezhCN/4mbAaB+je5mI0uegJh0UYRcO/CPtgbz7M0OfUz1dyiImTZA2vQviOq7ySf7XgHEdl6OBKtTXBtBcZFH8g3bQMrLh6WQR8yRG9V7rOT/7grSfTkp1K1CSDMZ5GHUTD/v9g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1611951553113136.8436239200695; Fri, 29 Jan 2021 12:19:13 -0800 (PST) Received: from localhost ([::1]:57972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l5aEZ-0006r2-Vz for importer@patchew.org; Fri, 29 Jan 2021 15:19:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49148) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l5a6Y-0006TZ-Te for qemu-devel@nongnu.org; Fri, 29 Jan 2021 15:10:54 -0500 Received: from mail-pf1-x433.google.com ([2607:f8b0:4864:20::433]:40743) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l5a6W-000860-Pe for qemu-devel@nongnu.org; Fri, 29 Jan 2021 15:10:54 -0500 Received: by mail-pf1-x433.google.com with SMTP id i63so6912904pfg.7 for ; Fri, 29 Jan 2021 12:10:52 -0800 (PST) Received: from localhost.localdomain (cpe-66-27-222-29.hawaii.res.rr.com. [66.27.222.29]) by smtp.gmail.com with ESMTPSA id d133sm9247265pfd.6.2021.01.29.12.10.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Jan 2021 12:10:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/xX/J9vMnowuMWo8/HanLANiLouFut86e12omyKqeRo=; b=LXCwLTEdDUKjraKVnSlcA1VuYK+D8AofXPhzDEz8o4x6WYrs9aXDOZAA7GW3teoAaZ TrTc9LROnOpM08QEk4VO8dluToMTQXS0alcQ0f9xu0HH6Udxnj7XQ7VRzUWs4C0juJoR 4OPHjpNSprnfageJQFEAEdiJiXVfAYzRfhtrfIt6TJoZA25BO1WV4EwViYIC+yQb8gtk plTAr7/dZCabdpvyuz7UphDj+h73Bf9t9u/02qmXZ7xr9Ai9ln1+zrsZ7qD0bR3eSMop Es5xlIIv29A9k4ZnuH6DaVo8aGa++4n1AXGATEQ/DM1k7dlFaAe80gKj/ro4c1Ff1oEG DqXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/xX/J9vMnowuMWo8/HanLANiLouFut86e12omyKqeRo=; b=hgWU5E/NZuSs+vpYCdfa8pPSCl7hA03Sfg7bT9t2goKQtLevUB2OwzqYmB+5fKDocC /2FEx0GjQU6yuiZm1VP8Z/NE7zTptgMcoTSoTaVyIZ2sVJHkZcpCCEWJZYJHCrtkyzmN L3hOasHnS2x/IFGRyc9mPSyV0kt7+Gr8C0qtlcLHBTs3WavRoPXuG2VcM0XhodugT0ql MpMUE3NpnMlN+EUuwsC/UGloohh4tkK/SEE/onUk6am5mwCNtE78+0kp/8O0NzBDhF/H y57aUexL/JXp22pdxsG6yVoqQLD0UQlqq4X15M0me5Xsm9WuYWk4SZBFBAoMOKdVLmAp CMvg== X-Gm-Message-State: AOAM531lfNvxiggY5xtndH11RmeX1UmzE1QacgkhEUKMdN6fQvcCr8DP pcTvsObAUKGbkFNpfnf3BmBIaeMEnLUKwqlF X-Google-Smtp-Source: ABdhPJxBQsN/Nx4cTFs5KJ/iK5bvduo7CfyYJOeZ/Z4eNqRF8sq4yS50TjopSbnjIZZy7pjQnfrFPQ== X-Received: by 2002:a63:cb01:: with SMTP id p1mr6311557pgg.406.1611951051409; Fri, 29 Jan 2021 12:10:51 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 12/24] tcg/s390: Split out target constraints to tcg-target-con-str.h Date: Fri, 29 Jan 2021 10:10:16 -1000 Message-Id: <20210129201028.787853-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210129201028.787853-1-richard.henderson@linaro.org> References: <20210129201028.787853-1-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::433; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x433.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/s390/tcg-target-con-str.h | 28 ++++++++++++++++++ tcg/s390/tcg-target.h | 1 + tcg/s390/tcg-target.c.inc | 53 +++++++++-------------------------- 3 files changed, 42 insertions(+), 40 deletions(-) create mode 100644 tcg/s390/tcg-target-con-str.h diff --git a/tcg/s390/tcg-target-con-str.h b/tcg/s390/tcg-target-con-str.h new file mode 100644 index 0000000000..892d8f8c06 --- /dev/null +++ b/tcg/s390/tcg-target-con-str.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Define S390 target-specific operand constraints. + * Copyright (c) 2021 Linaro + */ + +/* + * Define constraint letters for register sets: + * REGS(letter, register_mask) + */ +REGS('r', ALL_GENERAL_REGS) +REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) +/* + * A (single) even/odd pair for division. + * TODO: Add something to the register allocator to allow + * this kind of regno+1 pairing to be done more generally. + */ +REGS('a', 1u << TCG_REG_R2) +REGS('b', 1u << TCG_REG_R3) + +/* + * Define constraint letters for constants: + * CONST(letter, TCG_CT_CONST_* bit set) + */ +CONST('A', TCG_CT_CONST_S33) +CONST('I', TCG_CT_CONST_S16) +CONST('J', TCG_CT_CONST_S32) +CONST('Z', TCG_CT_CONST_ZERO) diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h index 641464eea4..c43d6aba84 100644 --- a/tcg/s390/tcg-target.h +++ b/tcg/s390/tcg-target.h @@ -159,5 +159,6 @@ static inline void tb_target_set_jmp_target(uintptr_t t= c_ptr, uintptr_t jmp_rx, #define TCG_TARGET_NEED_LDST_LABELS #endif #define TCG_TARGET_NEED_POOL_LABELS +#define TCG_TARGET_CON_STR_H =20 #endif diff --git a/tcg/s390/tcg-target.c.inc b/tcg/s390/tcg-target.c.inc index 8517e55232..3fec7fec5f 100644 --- a/tcg/s390/tcg-target.c.inc +++ b/tcg/s390/tcg-target.c.inc @@ -42,6 +42,19 @@ #define TCG_CT_CONST_S33 0x400 #define TCG_CT_CONST_ZERO 0x800 =20 +#define ALL_GENERAL_REGS MAKE_64BIT_MASK(0, 16) +/* + * For softmmu, we need to avoid conflicts with the first 3 + * argument registers to perform the tlb lookup, and to call + * the helper function. + */ +#ifdef CONFIG_SOFTMMU +#define SOFTMMU_RESERVE_REGS MAKE_64BIT_MASK(TCG_REG_R2, 3) +#else +#define SOFTMMU_RESERVE_REGS 0 +#endif + + /* Several places within the instruction set 0 means "no register" rather than TCG_REG_R0. */ #define TCG_REG_NONE 0 @@ -403,46 +416,6 @@ static bool patch_reloc(tcg_insn_unit *src_rw, int typ= e, return false; } =20 -/* parse target specific constraints */ -static const char *target_parse_constraint(TCGArgConstraint *ct, - const char *ct_str, TCGType typ= e) -{ - switch (*ct_str++) { - case 'r': /* all registers */ - ct->regs =3D 0xffff; - break; - case 'L': /* qemu_ld/st constraint */ - ct->regs =3D 0xffff; - tcg_regset_reset_reg(ct->regs, TCG_REG_R2); - tcg_regset_reset_reg(ct->regs, TCG_REG_R3); - tcg_regset_reset_reg(ct->regs, TCG_REG_R4); - break; - case 'a': /* force R2 for division */ - ct->regs =3D 0; - tcg_regset_set_reg(ct->regs, TCG_REG_R2); - break; - case 'b': /* force R3 for division */ - ct->regs =3D 0; - tcg_regset_set_reg(ct->regs, TCG_REG_R3); - break; - case 'A': - ct->ct |=3D TCG_CT_CONST_S33; - break; - case 'I': - ct->ct |=3D TCG_CT_CONST_S16; - break; - case 'J': - ct->ct |=3D TCG_CT_CONST_S32; - break; - case 'Z': - ct->ct |=3D TCG_CT_CONST_ZERO; - break; - default: - return NULL; - } - return ct_str; -} - /* Test if a constant matches the constraint. */ static int tcg_target_const_match(tcg_target_long val, TCGType type, const TCGArgConstraint *arg_ct) --=20 2.25.1