qemu-e2k/target/hexagon/iclass.h
Taylor Simpson 471d4b2dc6 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>
2021-02-18 07:48:22 -08:00

51 lines
1.5 KiB
C

/*
* 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/>.
*/
#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