| 1 | /* Basic block reordering routines for the GNU compiler. |
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| 2 | Copyright (C) 2000-2023 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it |
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| 7 | under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 3, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT |
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| 12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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| 13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
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| 14 | License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifndef GCC_BB_REORDER |
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| 21 | #define GCC_BB_REORDER |
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| 22 | |
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| 23 | /* Target-specific globals. */ |
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| 24 | struct target_bb_reorder { |
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| 25 | /* Length of unconditional jump instruction. */ |
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| 26 | int x_uncond_jump_length; |
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| 27 | }; |
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| 28 | |
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| 29 | extern struct target_bb_reorder default_target_bb_reorder; |
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| 30 | #if SWITCHABLE_TARGET |
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| 31 | extern struct target_bb_reorder *this_target_bb_reorder; |
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| 32 | #else |
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| 33 | #define this_target_bb_reorder (&default_target_bb_reorder) |
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| 34 | #endif |
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| 35 | |
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| 36 | extern int get_uncond_jump_length (void); |
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| 37 | |
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| 38 | extern void insert_section_boundary_note (void); |
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| 39 | |
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| 40 | #endif |
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| 41 | |
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