1 /* Definitions for option handling for IA-32. 2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 4 Free Software Foundation, Inc. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 GCC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 Under Section 7 of GPL version 3, you are granted additional 19 permissions described in the GCC Runtime Library Exception, version 20 3.1, as published by the Free Software Foundation. 21 22 You should have received a copy of the GNU General Public License and 23 a copy of the GCC Runtime Library Exception along with this program; 24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 <http://www.gnu.org/licenses/>. */ 26 27 #ifndef I386_OPTS_H 28 #define I386_OPTS_H 29 30 /* Algorithm to expand string function with. */ 31 enum stringop_alg 32 { 33 no_stringop, 34 libcall, 35 rep_prefix_1_byte, 36 rep_prefix_4_byte, 37 rep_prefix_8_byte, 38 loop_1_byte, 39 loop, 40 unrolled_loop 41 }; 42 43 /* Available call abi. */ 44 enum calling_abi 45 { 46 SYSV_ABI = 0, 47 MS_ABI = 1 48 }; 49 50 enum fpmath_unit 51 { 52 FPMATH_387 = 1, 53 FPMATH_SSE = 2 54 }; 55 56 enum tls_dialect 57 { 58 TLS_DIALECT_GNU, 59 TLS_DIALECT_GNU2, 60 TLS_DIALECT_SUN 61 }; 62 63 enum cmodel { 64 CM_32, /* The traditional 32-bit ABI. */ 65 CM_SMALL, /* Assumes all code and data fits in the low 31 bits. */ 66 CM_KERNEL, /* Assumes all code and data fits in the high 31 bits. */ 67 CM_MEDIUM, /* Assumes code fits in the low 31 bits; data unlimited. */ 68 CM_LARGE, /* No assumptions. */ 69 CM_SMALL_PIC, /* Assumes code+data+got/plt fits in a 31 bit region. */ 70 CM_MEDIUM_PIC,/* Assumes code+got/plt fits in a 31 bit region. */ 71 CM_LARGE_PIC /* No assumptions. */ 72 }; 73 74 enum asm_dialect { 75 ASM_ATT, 76 ASM_INTEL 77 }; 78 79 enum ix86_veclibabi { 80 ix86_veclibabi_type_none, 81 ix86_veclibabi_type_svml, 82 ix86_veclibabi_type_acml 83 }; 84 85 #endif 86