| 1 | /* |
| 2 | * Copyright (C) 2014-2019 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_alpha_h |
| 21 | #define _jit_alpha_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) (_S0 + (i)) |
| 32 | #define jit_r_num() 3 |
| 33 | #define jit_v(i) (_S3 + (i)) |
| 34 | #define jit_v_num() 3 |
| 35 | #define jit_f(i) (_F2 + (i)) |
| 36 | #define jit_f_num() 8 |
| 37 | /* Volatile - Assembly temporary register */ |
| 38 | _AT, |
| 39 | /* Volatile - Return value register */ |
| 40 | _V0, |
| 41 | /* Volatile - Temporary registers */ |
| 42 | _T0, _T1, _T2, _T3, |
| 43 | _T4, _T5, _T6, _T7, |
| 44 | _T8, _T9, _T10, _T11, |
| 45 | /* FIXME Use callee save register for r0-r2 (instead of 12+ JIT_RN |
| 46 | * and 6 JIT_VN because division must call a function) |
| 47 | * FIX would be to create proper functions that do not clobber |
| 48 | * registers and inject/inline them in the jit */ |
| 49 | #define JIT_R0 _S0 |
| 50 | #define JIT_R1 _S1 |
| 51 | #define JIT_R2 _S2 |
| 52 | #define JIT_V0 _S3 |
| 53 | #define JIT_V1 _S4 |
| 54 | #define JIT_V2 _S5 |
| 55 | /* Nonvolatile - Saved registers */ |
| 56 | _S0, _S1, _S2, _S3, |
| 57 | _S4, _S5, |
| 58 | /* Nonvolatile - Frame pointer */ |
| 59 | _FP, |
| 60 | /* Volatile - Argument registers */ |
| 61 | _A5, _A4, _A3, _A2, |
| 62 | _A1, _A0, |
| 63 | /* Volatile - Return address register */ |
| 64 | _RA, |
| 65 | /* Volatile - Temporary register */ |
| 66 | _PV, |
| 67 | /* Nonvolatile - Global pointer */ |
| 68 | _GP, |
| 69 | /* Nonvolatile - Stack pointer */ |
| 70 | _SP, |
| 71 | /* Constant RAZ / writes ignored */ |
| 72 | _ZERO, |
| 73 | #define JIT_F0 _F2 |
| 74 | #define JIT_F1 _F3 |
| 75 | #define JIT_F2 _F4 |
| 76 | #define JIT_F3 _F5 |
| 77 | #define JIT_F4 _F6 |
| 78 | #define JIT_F5 _F7 |
| 79 | #define JIT_F6 _F8 |
| 80 | #define JIT_F7 _F9 |
| 81 | /* Volatile - Return value register (real part) */ |
| 82 | _F0, |
| 83 | /* Volatile - Return value register (imaginary part) */ |
| 84 | _F1, |
| 85 | /* Nonvolatile - Saved registers */ |
| 86 | _F2, _F3, _F4, _F5, |
| 87 | _F6, _F7, _F8, _F9, |
| 88 | /* Volatile - Temporary registers */ |
| 89 | _F10, _F11, _F12, _F13, |
| 90 | _F14, _F15, |
| 91 | /* Volatile - Argument registers */ |
| 92 | _F21, _F20, _F19, _F18, |
| 93 | _F17, _F16, |
| 94 | /* Volatile - Temporary registers */ |
| 95 | _F22, _F23, _R24, _F25, |
| 96 | _F26, _F27, _F28, _F29, |
| 97 | _F30, |
| 98 | /* Constant - RAZ / writes ignored */ |
| 99 | _F31, |
| 100 | /* Lightning internal invalid register identifier */ |
| 101 | _NOREG, |
| 102 | #define JIT_NOREG _NOREG |
| 103 | } jit_reg_t; |
| 104 | |
| 105 | #endif /* _jit_alpha_h */ |