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7eb68c06 1/* Definitions for option handling for IA-32.
d1e082c2 2 Copyright (C) 1988-2013 Free Software Foundation, Inc.
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3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see 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. */
29enum 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,
bee51209 38 unrolled_loop
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39};
40
41/* Available call abi. */
42enum calling_abi
43{
44 SYSV_ABI = 0,
45 MS_ABI = 1
46};
47
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48enum fpmath_unit
49{
50 FPMATH_387 = 1,
51 FPMATH_SSE = 2
52};
53
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54enum tls_dialect
55{
56 TLS_DIALECT_GNU,
57 TLS_DIALECT_GNU2,
58 TLS_DIALECT_SUN
59};
60
61enum 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
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72enum pmode {
73 PMODE_SI, /* Pmode == SImode. */
74 PMODE_DI /* Pmode == DImode. */
75};
76
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77enum asm_dialect {
78 ASM_ATT,
79 ASM_INTEL
80};
81
82enum ix86_veclibabi {
83 ix86_veclibabi_type_none,
84 ix86_veclibabi_type_svml,
85 ix86_veclibabi_type_acml
86};
87
88#endif