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h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CpFIklfBUN4kdoufWWxJYfk1VUfOk7cNalCCb0VEO4g=; b=etydwsufIIjzByXtFKjEkJ15aIP1Qp8J4Hw/6F/MnDLvX36fIWFZNw1H YbURa76Kw+Xa7B3Viw3EjtvoS3e4ej/3igzwmDDFJqhpB8GSzRs1o/myd C4fBgSAFSYMJNyKrjFVAQEcTd+jc2dYOMv8BwI1u69MqQjKXvSBfkxRzA k=; From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 33/67] Hexagon instruction classes Date: Fri, 28 Feb 2020 10:43:29 -0600 Message-Id: <1582908244-304-34-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> References: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 199.106.114.39 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: riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, Taylor Simpson , philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Used to determine legal VLIW slots for each instruction Signed-off-by: Taylor Simpson --- target/hexagon/iclass.h | 46 +++++++++++++++++++++ target/hexagon/iclass.c | 107 ++++++++++++++++++++++++++++++++++++++++++++= ++++ 2 files changed, 153 insertions(+) create mode 100644 target/hexagon/iclass.h create mode 100644 target/hexagon/iclass.c diff --git a/target/hexagon/iclass.h b/target/hexagon/iclass.h new file mode 100644 index 0000000..89288ac --- /dev/null +++ b/target/hexagon/iclass.h @@ -0,0 +1,46 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * 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 "opcodes.h" + +#define ICLASS_FROM_TYPE(TYPE) ICLASS_##TYPE + +typedef enum { + +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) ICLASS_FROM_TYPE(TYPE), +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) /* nothing */ +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 + +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) ICLASS_FROM_TYPE(TYPE), +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) /* nothing */ +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 + + ICLASS_FROM_TYPE(COPROC_VX), + ICLASS_FROM_TYPE(COPROC_VMEM), + NUM_ICLASSES +} iclass_t; + +extern const char *find_iclass_slots(opcode_t opcode, int itype); + +#endif diff --git a/target/hexagon/iclass.c b/target/hexagon/iclass.c new file mode 100644 index 0000000..9ada8cd --- /dev/null +++ b/target/hexagon/iclass.c @@ -0,0 +1,107 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * 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" + +typedef struct { + const char * const slots; +} iclass_info_t; + +static const iclass_info_t iclass_info[] =3D { + +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) /* nothing */ +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) \ + [ICLASS_FROM_TYPE(TYPE)] =3D { .slots =3D #SLOTS }, + +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 + +#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) /* nothing */ +#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) \ + [ICLASS_FROM_TYPE(TYPE)] =3D { .slots =3D #SLOTS }, + +#include "imported/iclass.def" +#undef DEF_PP_ICLASS32 +#undef DEF_EE_ICLASS32 + + {0} +}; + +const char *find_iclass_slots(opcode_t opcode, int itype) +{ + /* There are some exceptions to what the iclass dictates */ + if (GET_ATTRIB(opcode, A_ICOP)) { + return "2"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT0ONLY)) { + return "0"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT1ONLY)) { + return "1"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT2ONLY)) { + return "2"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT3ONLY)) { + return "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 "2"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_NOSLOT1)) { + return "0"; + } else if ((opcode =3D=3D J2_trap0) || (opcode =3D=3D J2_trap1) || + (opcode =3D=3D Y2_isync) || (opcode =3D=3D J2_rte) || + (opcode =3D=3D J2_pause) || (opcode =3D=3D J4_hintjumpr)) { + return "2"; + } else if ((itype =3D=3D ICLASS_V2LDST) && (GET_ATTRIB(opcode, A_STORE= ))) { + return "01"; + } else if ((itype =3D=3D ICLASS_V2LDST) && (!GET_ATTRIB(opcode, A_STOR= E))) { + return "01"; + } else if (GET_ATTRIB(opcode, A_CRSLOT23)) { + return "23"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_PREFERSLOT0)) { + return "0"; + } else if (GET_ATTRIB(opcode, A_SUBINSN)) { + return "01"; + } else if (GET_ATTRIB(opcode, A_CALL)) { + return "23"; + } else if ((opcode =3D=3D J4_jumpseti) || (opcode =3D=3D J4_jumpsetr))= { + return "23"; + } else if (GET_ATTRIB(opcode, A_EXTENSION) && GET_ATTRIB(opcode, A_CVI= )) { + /* CVI EXTENSIONS */ + if (GET_ATTRIB(opcode, A_CVI_VM)) { + return "01"; + } else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT2ONLY)) { + return "2"; + } else if (GET_ATTRIB(opcode, A_CVI_SLOT23)) { + return "23"; + } else if (GET_ATTRIB(opcode, A_CVI_VX)) { + return "23"; + } else if (GET_ATTRIB(opcode, A_CVI_VX_DV)) { + return "23"; + } else if (GET_ATTRIB(opcode, A_CVI_VS_VX)) { + return "23"; + } else if (GET_ATTRIB(opcode, A_MEMLIKE)) { + return "01"; + } else { + return "0123"; + } + } else { + return iclass_info[itype].slots; + } +} + --=20 2.7.4