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comparison gcc/libfuncs.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
comparison
equal deleted inserted replaced
65:65488c3d617d 67:f6334be47118
1 /* Definitions for code generation pass of GNU compiler. 1 /* Definitions for code generation pass of GNU compiler.
2 Copyright (C) 2001, 2004, 2007, 2008 Free Software Foundation, Inc. 2 Copyright (C) 2001, 2004, 2007, 2008, 2010 Free Software Foundation, Inc.
3 3
4 This file is part of GCC. 4 This file is part of GCC.
5 5
6 GCC is free software; you can redistribute it and/or modify 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 7 it under the terms of the GNU General Public License as published by
17 along with GCC; see the file COPYING3. If not see 17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */ 18 <http://www.gnu.org/licenses/>. */
19 19
20 #ifndef GCC_LIBFUNCS_H 20 #ifndef GCC_LIBFUNCS_H
21 #define GCC_LIBFUNCS_H 21 #define GCC_LIBFUNCS_H
22
23 #include "hashtab.h"
22 24
23 /* Enumeration of indexes into libfunc_table. */ 25 /* Enumeration of indexes into libfunc_table. */
24 enum libfunc_index 26 enum libfunc_index
25 { 27 {
26 LTI_abort, 28 LTI_abort,
43 LTI_gcov_flush, 45 LTI_gcov_flush,
44 46
45 LTI_MAX 47 LTI_MAX
46 }; 48 };
47 49
48 /* SYMBOL_REF rtx's for the library functions that are called 50 /* Information about an optab-related libfunc. We use the same hashtable
49 implicitly and not via optabs. */ 51 for normal optabs and conversion optabs. In the first case mode2
50 extern GTY(()) rtx libfunc_table[LTI_MAX]; 52 is unused. */
53 struct GTY(()) libfunc_entry {
54 size_t optab;
55 enum machine_mode mode1, mode2;
56 rtx libfunc;
57 };
58
59 /* Target-dependent globals. */
60 struct GTY(()) target_libfuncs {
61 /* SYMBOL_REF rtx's for the library functions that are called
62 implicitly and not via optabs. */
63 rtx x_libfunc_table[LTI_MAX];
64
65 /* Hash table used to convert declarations into nodes. */
66 htab_t GTY((param_is (struct libfunc_entry))) x_libfunc_hash;
67 };
68
69 extern GTY(()) struct target_libfuncs default_target_libfuncs;
70 #if SWITCHABLE_TARGET
71 extern struct target_libfuncs *this_target_libfuncs;
72 #else
73 #define this_target_libfuncs (&default_target_libfuncs)
74 #endif
75
76 #define libfunc_table \
77 (this_target_libfuncs->x_libfunc_table)
51 78
52 /* Accessor macros for libfunc_table. */ 79 /* Accessor macros for libfunc_table. */
53 80
54 #define abort_libfunc (libfunc_table[LTI_abort]) 81 #define abort_libfunc (libfunc_table[LTI_abort])
55 #define memcpy_libfunc (libfunc_table[LTI_memcpy]) 82 #define memcpy_libfunc (libfunc_table[LTI_memcpy])
69 96
70 #define synchronize_libfunc (libfunc_table[LTI_synchronize]) 97 #define synchronize_libfunc (libfunc_table[LTI_synchronize])
71 98
72 #define gcov_flush_libfunc (libfunc_table[LTI_gcov_flush]) 99 #define gcov_flush_libfunc (libfunc_table[LTI_gcov_flush])
73 100
101 /* In explow.c */
102 extern void set_stack_check_libfunc (const char *);
103
74 #endif /* GCC_LIBFUNCS_H */ 104 #endif /* GCC_LIBFUNCS_H */