1 /* Definitions for option handling of Andes NDS32 cpu for GNU compiler 2 Copyright (C) 2012-2018 Free Software Foundation, Inc. 3 Contributed by Andes Technology Corporation. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published 9 by the Free Software Foundation; either version 3, or (at your 10 option) any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #ifndef NDS32_OPTS_H 22 #define NDS32_OPTS_H 23 24 #define NDS32_DEFAULT_CACHE_BLOCK_SIZE 16 25 #define NDS32_DEFAULT_ISR_VECTOR_SIZE (TARGET_ISA_V3 ? 4 : 16) 26 27 /* The various ANDES ISA. */ 28 enum nds32_arch_type 29 { 30 ARCH_V2, 31 ARCH_V3, 32 ARCH_V3M, 33 ARCH_V3F, 34 ARCH_V3S 35 }; 36 37 /* The various ANDES CPU. */ 38 enum nds32_cpu_type 39 { 40 CPU_N6, 41 CPU_N7, 42 CPU_N8, 43 CPU_E8, 44 CPU_N9, 45 CPU_SIMPLE 46 }; 47 48 /* The code model defines the address generation strategy. */ 49 enum nds32_cmodel_type 50 { 51 CMODEL_SMALL, 52 CMODEL_MEDIUM, 53 CMODEL_LARGE 54 }; 55 56 /* Multiply instruction configuration. */ 57 enum nds32_mul_type 58 { 59 MUL_TYPE_FAST_1, 60 MUL_TYPE_FAST_2, 61 MUL_TYPE_SLOW 62 }; 63 64 /* Register ports configuration. */ 65 enum nds32_register_ports 66 { 67 REG_PORT_3R2W, 68 REG_PORT_2R1W 69 }; 70 71 /* Which ABI to use. */ 72 enum abi_type 73 { 74 NDS32_ABI_V2, 75 NDS32_ABI_V2_FP_PLUS 76 }; 77 78 /* The various FPU number of registers. */ 79 enum float_reg_number 80 { 81 NDS32_CONFIG_FPU_0, 82 NDS32_CONFIG_FPU_1, 83 NDS32_CONFIG_FPU_2, 84 NDS32_CONFIG_FPU_3, 85 NDS32_CONFIG_FPU_4, 86 NDS32_CONFIG_FPU_5, 87 NDS32_CONFIG_FPU_6, 88 NDS32_CONFIG_FPU_7 89 }; 90 91 #endif 92