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comparison gcc/regs.h @ 132:d34655255c78

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update gcc-8.2
author mir3636
date Thu, 25 Oct 2018 10:21:07 +0900
parents 84e7813d76e9
children 1830386684a0
comparison
equal deleted inserted replaced
130:e108057fa461 132:d34655255c78
1 /* Define per-register tables for data flow info and register allocation. 1 /* Define per-register tables for data flow info and register allocation.
2 Copyright (C) 1987-2017 Free Software Foundation, Inc. 2 Copyright (C) 1987-2018 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 it under 6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free 7 the terms of the GNU General Public License as published by the Free
128 or profile driven feedback is available and the function is never executed, 128 or profile driven feedback is available and the function is never executed,
129 frequency is always equivalent. Otherwise rescale the basic block 129 frequency is always equivalent. Otherwise rescale the basic block
130 frequency. */ 130 frequency. */
131 #define REG_FREQ_FROM_BB(bb) (optimize_function_for_size_p (cfun) \ 131 #define REG_FREQ_FROM_BB(bb) (optimize_function_for_size_p (cfun) \
132 ? REG_FREQ_MAX \ 132 ? REG_FREQ_MAX \
133 : ((bb)->frequency * REG_FREQ_MAX / BB_FREQ_MAX)\ 133 : ((bb)->count.to_frequency (cfun) \
134 ? ((bb)->frequency * REG_FREQ_MAX / BB_FREQ_MAX)\ 134 * REG_FREQ_MAX / BB_FREQ_MAX) \
135 ? ((bb)->count.to_frequency (cfun) \
136 * REG_FREQ_MAX / BB_FREQ_MAX) \
135 : 1) 137 : 1)
136 138
137 /* Indexed by N, gives number of insns in which register N dies. 139 /* Indexed by N, gives number of insns in which register N dies.
138 Note that if register N is live around loops, it can die 140 Note that if register N is live around loops, it can die
139 in transitions between basic blocks, and that is not counted here. 141 in transitions between basic blocks, and that is not counted here.