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/*
* Copyright (C) 2019 Free Software Foundation, Inc.
*
* This file is part of GNU lightning.
*
* GNU lightning is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU lightning 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 Lesser General Public
* License for more details.
*
* Authors:
* Paulo Cesar Pereira de Andrade
*/
#ifndef _jit_riscv_h
#define _jit_riscv_h
#define JIT_HASH_CONSTS 0
#define JIT_NUM_OPERANDS 3
/*
* Types
*/
#define JIT_FP _FP
typedef enum {
#define jit_r(i) (JIT_R0 + (i))
#define jit_r_num() 7
#define jit_v(i) (JIT_V0 + (i))
#define jit_v_num() 11
#define jit_f(i) (JIT_F0 + (i))
#define jit_f_num() 12
_ZERO, /* x0 - Hard-wired zero --- */
_RA, /* x1 - Return address (CalleR save) */
_SP, /* x2 - Stack pointer (CalleE save) */
_GP, /* x3 - Global pointer --- */
#if 0 /* Pretend it does not exist, so _NOREG can be used in
* a 64 bit bitmask */
_TP, /* x4 - Thread pointer --- */
#endif
#define JIT_R0 _T0
#define JIT_R1 _T1
#define JIT_R2 _T2
#define JIT_R3 _T3
#define JIT_R4 _T4
#define JIT_R5 _T5
#define JIT_R6 _T6
_T0, /* x5 - Temporary/alternate
link register (CalleR save) */
_T1, /* x6 - Temporary (CalleR save) */
_T2, /* x7 - Temporary (CalleR save) */
_T3, /* x28 - Temporary (CalleR save) */
_T4, /* x28 - Temporary (CalleR save) */
_T5, /* x30 - Temporary (CalleR save) */
_T6, /* x31 - Temporary (CalleR save) */
_FP, /* x8 - Saved register/frame
pointer (CalleE save) */
_S0 = _FP,
#define JIT_V0 _S1
#define JIT_V1 _S2
#define JIT_V2 _S3
#define JIT_V3 _S4
#define JIT_V4 _S5
#define JIT_V5 _S6
#define JIT_V6 _S7
#define JIT_V7 _S8
#define JIT_V8 _S9
#define JIT_V9 _S10
#define JIT_V10 _S11
_S1, /* x9 - Saved register (CalleE save) */
_S2, /* x18 - Saved register (CalleE save) */
_S3, /* x19 - Saved register (CalleE save) */
_S4, /* x20 - Saved register (CalleE save) */
_S5, /* x21 - Saved register (CalleE save) */
_S6, /* x22 - Saved register (CalleE save) */
_S7, /* x23 - Saved register (CalleE save) */
_S8, /* x24 - Saved register (CalleE save) */
_S9, /* x25 - Saved register (CalleE save) */
_S10, /* x26 - Saved register (CalleE save) */
_S11, /* x27 - Saved register (CalleE save) */
_A7, /* x17 - Function argument (CalleR save) */
_A6, /* x16 - Function argument (CalleR save) */
_A5, /* x15 - Function argument (CalleR save) */
_A4, /* x14 - Function argument (CalleR save) */
_A3, /* x13 - Function argument (CalleR save) */
_A2, /* x12 - Function argument (CalleR save) */
_A1, /* x11 - Function argument/
return value (CalleR save) */
_A0, /* x10 - Function argument/
return value (CalleR save) */
_FT0, /* f0 - FP temporary (CalleR save) */
_FT1, /* f1 - FP temporary (CalleR save) */
_FT2, /* f2 - FP temporary (CalleR save) */
_FT3, /* f3 - FP temporary (CalleR save) */
_FT4, /* f4 - FP temporary (CalleR save) */
_FT5, /* f5 - FP temporary (CalleR save) */
_FT6, /* f6 - FP temporary (CalleR save) */
_FT7, /* f7 - FP temporary (CalleR save) */
_FT8, /* f28 - FP temporary (CalleR save) */
_FT9, /* f29 - FP temporary (CalleR save) */
_FT10, /* f30 - FP temporary (CalleR save) */
_FT11, /* f31 - FP temporary (CalleR save) */
#define JIT_F0 _FS0
#define JIT_F1 _FS1
#define JIT_F2 _FS2
#define JIT_F3 _FS3
#define JIT_F4 _FS4
#define JIT_F5 _FS5
#define JIT_F6 _FS6
#define JIT_F7 _FS7
#define JIT_F8 _FS8
#define JIT_F9 _FS9
#define JIT_F10 _FS10
#define JIT_F11 _FS11
_FS0, /* f8 - FP saved register (CalleE save) */
_FS1, /* f9 - FP saved register (CalleE save) */
_FS2, /* f18 - FP saved register (CalleE save) */
_FS3, /* f19 - FP saved register (CalleE save) */
_FS4, /* f20 - FP saved register (CalleE save) */
_FS5, /* f21 - FP saved register (CalleE save) */
_FS6, /* f22 - FP saved register (CalleE save) */
_FS7, /* f23 - FP saved register (CalleE save) */
_FS8, /* f24 - FP saved register (CalleE save) */
_FS9, /* f25 - FP saved register (CalleE save) */
_FS10, /* f26 - FP saved register (CalleE save) */
_FS11, /* f27 - FP saved register (CalleE save) */
_FA7, /* f17 - FP Function argument (CalleR save) */
_FA6, /* f16 - FP Function argument (CalleR save) */
_FA5, /* f15 - FP Function argument (CalleR save) */
_FA4, /* f14 - FP Function argument (CalleR save) */
_FA3, /* f13 - FP Function argument (CalleR save) */
_FA2, /* f12 - FP Function argument (CalleR save) */
_FA1, /* f11 - FP function argument/
return value (CalleR save) */
_FA0, /* f10 - FP function argument/
return value (CalleR save) */
_NOREG,
#define JIT_NOREG _NOREG
} jit_reg_t;
#endif /* _jit_riscv_h */
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