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Hexagon (target/hexagon) instruction classes
Determine legal VLIW slots for each instruction Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1612763186-18161-26-git-send-email-tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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/* | ||
* 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 <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#include "qemu/osdep.h" | ||
#include "iclass.h" | ||
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static const SlotMask iclass_info[] = { | ||
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#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 | ||
}; | ||
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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]; | ||
} | ||
} |
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/* | ||
* 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 <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#ifndef HEXAGON_ICLASS_H | ||
#define HEXAGON_ICLASS_H | ||
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#include "attribs.h" | ||
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#define ICLASS_FROM_TYPE(TYPE) ICLASS_##TYPE | ||
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enum { | ||
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#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 | ||
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ICLASS_FROM_TYPE(COPROC_VX), | ||
ICLASS_FROM_TYPE(COPROC_VMEM), | ||
NUM_ICLASSES | ||
}; | ||
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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; | ||
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SlotMask find_iclass_slots(Opcode opcode, int itype); | ||
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#endif |
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/* | ||
* 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 <http://www.gnu.org/licenses/>. | ||
*/ | ||
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/* 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 */ | ||
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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 */ |