From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84236C433E0 for ; Wed, 17 Feb 2021 23:57:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1F13B64E63 for ; Wed, 17 Feb 2021 23:57:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F13B64E63 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55672 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lCWhi-0003lA-2S for qemu-devel@archiver.kernel.org; Wed, 17 Feb 2021 18:57:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51098) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lCWS3-0001BB-Ce for qemu-devel@nongnu.org; Wed, 17 Feb 2021 18:41:49 -0500 Received: from mail-pf1-x430.google.com ([2607:f8b0:4864:20::430]:33027) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lCWRo-0004oF-8d for qemu-devel@nongnu.org; Wed, 17 Feb 2021 18:41:45 -0500 Received: by mail-pf1-x430.google.com with SMTP id z6so52889pfq.0 for ; Wed, 17 Feb 2021 15:41:29 -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=Pub1cw4RCa7xktMR4FG9lmGr2Lg5MrccZBgr+bN6ao8=; b=VffgVpqMeXbBZDscd9OEHtBOv49G7KRn87PiuJKW5QtdjYeJ8X67oEEB95ZULKrSCl ENPrVfFrQAG4MSNrsJ6ikH0onkAtxjbVpyVlx7U+Z82brWbWn8uIP1NemdyJwncyPb/C KRqsjMdg/1eA8hOo4G/ftKD5/+nsFhz/W+Jd2MOsNler8YcHXheFVLbPsNQ5oKW0+PH6 pwNnQbbqbhJXGhi7pd0hff1w2laKO8YwV/DJ09PPgh1Kaf+HEwkFEE3Pjcws/Z8fkzRa P4djjN8IW1Br/FL5uKQj/ksDFO8PZGngjhXDYMyQ5u4qmhFwnVQi6cnEWJ4TCwFYBPUH LBOQ== 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=Pub1cw4RCa7xktMR4FG9lmGr2Lg5MrccZBgr+bN6ao8=; b=NBbyBJmwD/HOLgvC8vCatP/CD41B+6ixM5CyN5jU5c5oUDFsocWdhGOJG1a3Yi6tPv QAbfs670BQru1lrGynptzsYr3LcuLH8g25J81KnnXFy4MO1FP75Eb3Lp7zi49D2rby3l mPg5LprpBJqqD8XTop4WX08soGu0jXK9U8JTBT/q4ZiyoL+n6L45RNlNsmioqsgsHWuB BWZiCbNaM1bWC/4s8HZWs0E0v1yZsKWkMyqj/bkoGm5skZpoOHYQ0xukPixilci1geLc uud3Vja3vLOSASNhREA19IYfFzlBUgYdcqftHXvYe0wGOX5HuXvqCjrFGPiAlp2xM/FO lZzw== X-Gm-Message-State: AOAM530dvCt2/BH0r5OtNe7u98g4osAxorlDnAeZJtMNokfjMIi9HJq6 cixs5pyjYydLQilog+uIFIO1Mh8mgm4lHQ== X-Google-Smtp-Source: ABdhPJy4qiPygd9fn+cfWhfXhQheKrimVXCN9L0zDVlRvf3vlPWR1oyM6ReTWXzkdnQHY33CzKWlFw== X-Received: by 2002:a63:fe13:: with SMTP id p19mr1569289pgh.119.1613605288795; Wed, 17 Feb 2021 15:41:28 -0800 (PST) Received: from localhost.localdomain (047-051-160-125.biz.spectrum.com. [47.51.160.125]) by smtp.gmail.com with ESMTPSA id c21sm3950355pgh.0.2021.02.17.15.41.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Feb 2021 15:41:28 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 26/35] Hexagon (target/hexagon) instruction classes Date: Wed, 17 Feb 2021 15:40:14 -0800 Message-Id: <20210217234023.1742406-27-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210217234023.1742406-1-richard.henderson@linaro.org> References: <20210217234023.1742406-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Taylor Simpson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Taylor Simpson Determine legal VLIW slots for each instruction Signed-off-by: Taylor Simpson Reviewed-by: Richard Henderson Message-Id: <1612763186-18161-26-git-send-email-tsimpson@quicinc.com> Signed-off-by: Richard Henderson --- target/hexagon/iclass.h | 50 ++++++++++++++++++++ target/hexagon/iclass.c | 73 ++++++++++++++++++++++++++++++ target/hexagon/imported/iclass.def | 51 +++++++++++++++++++++ 3 files changed, 174 insertions(+) create mode 100644 target/hexagon/iclass.h create mode 100644 target/hexagon/iclass.c create mode 100644 target/hexagon/imported/iclass.def diff --git a/target/hexagon/iclass.h b/target/hexagon/iclass.h new file mode 100644 index 0000000000..78d372621a --- /dev/null +++ b/target/hexagon/iclass.h @@ -0,0 +1,50 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef HEXAGON_ICLASS_H +#define HEXAGON_ICLASS_H + +#include "attribs.h" + +#define ICLASS_FROM_TYPE(TYPE) ICLASS_##TYPE + +enum { + +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) ICLASS_FROM_TYPE(TYPE), +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) ICLASS_FROM_TYPE(TYPE), +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 + + ICLASS_FROM_TYPE(COPROC_VX), + ICLASS_FROM_TYPE(COPROC_VMEM), + NUM_ICLASSES +}; + +typedef enum { + SLOTS_0 = (1 << 0), + SLOTS_1 = (1 << 1), + SLOTS_2 = (1 << 2), + SLOTS_3 = (1 << 3), + SLOTS_01 = SLOTS_0 | SLOTS_1, + SLOTS_23 = SLOTS_2 | SLOTS_3, + SLOTS_0123 = SLOTS_0 | SLOTS_1 | SLOTS_2 | SLOTS_3, +} SlotMask; + +SlotMask find_iclass_slots(Opcode opcode, int itype); + +#endif diff --git a/target/hexagon/iclass.c b/target/hexagon/iclass.c new file mode 100644 index 0000000000..378d8a6a75 --- /dev/null +++ b/target/hexagon/iclass.c @@ -0,0 +1,73 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include "qemu/osdep.h" +#include "iclass.h" + +static const SlotMask iclass_info[] = { + +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) \ + [ICLASS_FROM_TYPE(TYPE)] = SLOTS_##SLOTS, +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) \ + [ICLASS_FROM_TYPE(TYPE)] = SLOTS_##SLOTS, +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 +}; + +SlotMask find_iclass_slots(Opcode opcode, int itype) +{ + /* There are some exceptions to what the iclass dictates */ + if (GET_ATTRIB(opcode, A_ICOP)) { + return SLOTS_2; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT0ONLY)) { + return SLOTS_0; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT1ONLY)) { + return SLOTS_1; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT2ONLY)) { + return SLOTS_2; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT3ONLY)) { + return SLOTS_3; + } else if (GET_ATTRIB(opcode, A_COF) && + GET_ATTRIB(opcode, A_INDIRECT) && + !GET_ATTRIB(opcode, A_MEMLIKE) && + !GET_ATTRIB(opcode, A_MEMLIKE_PACKET_RULES)) { + return SLOTS_2; + } else if (GET_ATTRIB(opcode, A_RESTRICT_NOSLOT1)) { + return SLOTS_0; + } else if ((opcode == J2_trap0) || + (opcode == Y2_isync) || + (opcode == J2_pause) || (opcode == J4_hintjumpr)) { + return SLOTS_2; + } else if ((itype == ICLASS_V2LDST) && (GET_ATTRIB(opcode, A_STORE))) { + return SLOTS_01; + } else if ((itype == ICLASS_V2LDST) && (!GET_ATTRIB(opcode, A_STORE))) { + return SLOTS_01; + } else if (GET_ATTRIB(opcode, A_CRSLOT23)) { + return SLOTS_23; + } else if (GET_ATTRIB(opcode, A_RESTRICT_PREFERSLOT0)) { + return SLOTS_0; + } else if (GET_ATTRIB(opcode, A_SUBINSN)) { + return SLOTS_01; + } else if (GET_ATTRIB(opcode, A_CALL)) { + return SLOTS_23; + } else if ((opcode == J4_jumpseti) || (opcode == J4_jumpsetr)) { + return SLOTS_23; + } else { + return iclass_info[itype]; + } +} diff --git a/target/hexagon/imported/iclass.def b/target/hexagon/imported/iclass.def new file mode 100644 index 0000000000..fb57968c6c --- /dev/null +++ b/target/hexagon/imported/iclass.def @@ -0,0 +1,51 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* DEF_*(TYPE,SLOTS,UNITS) */ +DEF_PP_ICLASS32(EXTENDER,0123,LDST|SUNIT|MUNIT) /* 0 */ +DEF_PP_ICLASS32(CJ,0123,CTRLFLOW) /* 1 */ +DEF_PP_ICLASS32(NCJ,01,LDST|CTRLFLOW) /* 2 */ +DEF_PP_ICLASS32(V4LDST,01,LDST) /* 3 */ +DEF_PP_ICLASS32(V2LDST,01,LDST) /* 4 */ +DEF_PP_ICLASS32(J,0123,CTRLFLOW) /* 5 */ +DEF_PP_ICLASS32(CR,3,SUNIT) /* 6 */ +DEF_PP_ICLASS32(ALU32_2op,0123,LDST|SUNIT|MUNIT) /* 7 */ +DEF_PP_ICLASS32(S_2op,23,SUNIT|MUNIT) /* 8 */ +DEF_PP_ICLASS32(LD,01,LDST) /* 9 */ +DEF_PP_ICLASS32(ST,01,LDST) /* 10 */ +DEF_PP_ICLASS32(ALU32_ADDI,0123,LDST|SUNIT|MUNIT) /* 11 */ +DEF_PP_ICLASS32(S_3op,23,SUNIT|MUNIT) /* 12 */ +DEF_PP_ICLASS32(ALU64,23,SUNIT|MUNIT) /* 13 */ +DEF_PP_ICLASS32(M,23,SUNIT|MUNIT) /* 14 */ +DEF_PP_ICLASS32(ALU32_3op,0123,LDST|SUNIT|MUNIT) /* 15 */ + +DEF_EE_ICLASS32(EE0,01,INVALID) /* 0 */ +DEF_EE_ICLASS32(EE1,01,INVALID) /* 1 */ +DEF_EE_ICLASS32(EE2,01,INVALID) /* 2 */ +DEF_EE_ICLASS32(EE3,01,INVALID) /* 3 */ +DEF_EE_ICLASS32(EE4,01,INVALID) /* 4 */ +DEF_EE_ICLASS32(EE5,01,INVALID) /* 5 */ +DEF_EE_ICLASS32(EE6,01,INVALID) /* 6 */ +DEF_EE_ICLASS32(EE7,01,INVALID) /* 7 */ +DEF_EE_ICLASS32(EE8,01,INVALID) /* 8 */ +DEF_EE_ICLASS32(EE9,01,INVALID) /* 9 */ +DEF_EE_ICLASS32(EEA,01,INVALID) /* 10 */ +DEF_EE_ICLASS32(EEB,01,INVALID) /* 11 */ +DEF_EE_ICLASS32(EEC,01,INVALID) /* 12 */ +DEF_EE_ICLASS32(EED,01,INVALID) /* 13 */ +DEF_EE_ICLASS32(EEE,01,INVALID) /* 14 */ +DEF_EE_ICLASS32(EEF,01,INVALID) /* 15 */ -- 2.25.1