1 /* Definitions for option handling for IA-32. 2 Copyright (C) 1988-2013 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25 #ifndef I386_OPTS_H 26 #define I386_OPTS_H 27 28 /* Algorithm to expand string function with. */ 29 enum stringop_alg 30 { 31 no_stringop, 32 libcall, 33 rep_prefix_1_byte, 34 rep_prefix_4_byte, 35 rep_prefix_8_byte, 36 loop_1_byte, 37 loop, 38 unrolled_loop 39 }; 40 41 /* Available call abi. */ 42 enum calling_abi 43 { 44 SYSV_ABI = 0, 45 MS_ABI = 1 46 }; 47 48 enum fpmath_unit 49 { 50 FPMATH_387 = 1, 51 FPMATH_SSE = 2 52 }; 53 54 enum tls_dialect 55 { 56 TLS_DIALECT_GNU, 57 TLS_DIALECT_GNU2, 58 TLS_DIALECT_SUN 59 }; 60 61 enum cmodel { 62 CM_32, /* The traditional 32-bit ABI. */ 63 CM_SMALL, /* Assumes all code and data fits in the low 31 bits. */ 64 CM_KERNEL, /* Assumes all code and data fits in the high 31 bits. */ 65 CM_MEDIUM, /* Assumes code fits in the low 31 bits; data unlimited. */ 66 CM_LARGE, /* No assumptions. */ 67 CM_SMALL_PIC, /* Assumes code+data+got/plt fits in a 31 bit region. */ 68 CM_MEDIUM_PIC,/* Assumes code+got/plt fits in a 31 bit region. */ 69 CM_LARGE_PIC /* No assumptions. */ 70 }; 71 72 enum pmode { 73 PMODE_SI, /* Pmode == SImode. */ 74 PMODE_DI /* Pmode == DImode. */ 75 }; 76 77 enum asm_dialect { 78 ASM_ATT, 79 ASM_INTEL 80 }; 81 82 enum ix86_veclibabi { 83 ix86_veclibabi_type_none, 84 ix86_veclibabi_type_svml, 85 ix86_veclibabi_type_acml 86 }; 87 88 #endif 89
