| 1 | /* |
| 2 | * Copyright (C) 2013-2023 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This file is part of GNU lightning. |
| 5 | * |
| 6 | * GNU lightning is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU Lesser General Public License as published |
| 8 | * by the Free Software Foundation; either version 3, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * GNU lightning is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 14 | * License for more details. |
| 15 | * |
| 16 | * Authors: |
| 17 | * Paulo Cesar Pereira de Andrade |
| 18 | */ |
| 19 | |
| 20 | #ifndef _jit_sparc_h |
| 21 | #define _jit_sparc_h |
| 22 | |
| 23 | #define JIT_HASH_CONSTS 1 |
| 24 | #define JIT_NUM_OPERANDS 3 |
| 25 | |
| 26 | /* |
| 27 | * Types |
| 28 | */ |
| 29 | #define JIT_FP _FP |
| 30 | typedef enum { |
| 31 | #define jit_r(i) (_G2 + (i)) |
| 32 | #define jit_r_num() 3 |
| 33 | #define jit_v(i) (_L0 + (i)) |
| 34 | #define jit_v_num() 8 |
| 35 | #if __WORDSIZE == 32 |
| 36 | # define jit_f(i) (_F0 + ((i) << 1)) |
| 37 | # define jit_f_num() 8 |
| 38 | #else |
| 39 | # define jit_f(i) (_F32 - (i)) |
| 40 | # define jit_f_num() 16 |
| 41 | #endif |
| 42 | #define JIT_R0 _G2 |
| 43 | #define JIT_R1 _G3 |
| 44 | #define JIT_R2 _G4 |
| 45 | #define JIT_V0 _L0 |
| 46 | #define JIT_V1 _L1 |
| 47 | #define JIT_V2 _L2 |
| 48 | #define JIT_V3 _L3 |
| 49 | #define JIT_V4 _L4 |
| 50 | #define JIT_V5 _L5 |
| 51 | #define JIT_V6 _L6 |
| 52 | #define JIT_V7 _L7 |
| 53 | _G0, _G1, _G2, _G3, _G4, _G5, _G6, _G7, |
| 54 | _O0, _O1, _O2, _O3, _O4, _O5, _SP, _O7, |
| 55 | _L0, _L1, _L2, _L3, _L4, _L5, _L6, _L7, |
| 56 | _I0, _I1, _I2, _I3, _I4, _I5, _FP, _I7, |
| 57 | #if __WORDSIZE == 32 |
| 58 | # define JIT_F0 _F0 |
| 59 | # define JIT_F1 _F2 |
| 60 | # define JIT_F2 _F4 |
| 61 | # define JIT_F3 _F6 |
| 62 | # define JIT_F4 _F8 |
| 63 | # define JIT_F5 _F10 |
| 64 | # define JIT_F6 _F12 |
| 65 | # define JIT_F7 _F14 |
| 66 | _F0, _F1, _F2, _F3, _F4, _F5, _F6, _F7, |
| 67 | _F8, _F9, _F10, _F11, _F12, _F13, _F14, _F15, |
| 68 | #else |
| 69 | /* All single precision operations have a high cost due to being |
| 70 | * stored on registers only encodable as double precision. |
| 71 | * The cost is due to needing to move values to a register with |
| 72 | * value <= 31. |
| 73 | * This is a limitation due to using fixed named registers in |
| 74 | * lightning. */ |
| 75 | # define JIT_F0 _F32 |
| 76 | # define JIT_F1 _F34 |
| 77 | # define JIT_F2 _F36 |
| 78 | # define JIT_F3 _F38 |
| 79 | # define JIT_F4 _F40 |
| 80 | # define JIT_F5 _F42 |
| 81 | # define JIT_F6 _F44 |
| 82 | # define JIT_F7 _F46 |
| 83 | # define JIT_F8 _F48 |
| 84 | # define JIT_F9 _F50 |
| 85 | # define JIT_F10 _F52 |
| 86 | # define JIT_F11 _F54 |
| 87 | # define JIT_F12 _F56 |
| 88 | # define JIT_F13 _F58 |
| 89 | # define JIT_F14 _F60 |
| 90 | # define JIT_F15 _F62 |
| 91 | _F62, _F60, _F58, _F56, _F54, _F52, _F50, _F48, |
| 92 | _F46, _F44, _F42, _F40, _F38, _F36, _F34, _F32, |
| 93 | _F31, _F30, _F29, _F28, _F27, _F26, _F25, _F24, |
| 94 | _F23, _F22, _F21, _F20, _F19, _F18, _F17, _F16, |
| 95 | _F15, _F14, _F13, _F12, _F11, _F10, _F9, _F8, |
| 96 | _F7, _F6, _F5, _F4, _F3, _F2, _F1, _F0, |
| 97 | #endif |
| 98 | #define JIT_NOREG _NOREG |
| 99 | _NOREG, |
| 100 | } jit_reg_t; |
| 101 | |
| 102 | typedef struct { |
| 103 | jit_uint32_t lzcnt : 1; |
| 104 | } jit_cpu_t; |
| 105 | |
| 106 | /* |
| 107 | * Initialization |
| 108 | */ |
| 109 | extern jit_cpu_t jit_cpu; |
| 110 | |
| 111 | #endif /* _jit_sparc_h */ |