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 */ 106