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comparison gcc/ifcvt.h @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
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131:84e7813d76e9 145:1830386684a0
1 /* If-conversion header file. 1 /* If-conversion header file.
2 Copyright (C) 2014-2018 Free Software Foundation, Inc. 2 Copyright (C) 2014-2020 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 6 GCC is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by 7 under the terms of the GNU General Public License as published by
95 we're optimizing for size. */ 95 we're optimizing for size. */
96 bool speed_p; 96 bool speed_p;
97 97
98 /* An estimate of the original costs. When optimizing for size, this is the 98 /* An estimate of the original costs. When optimizing for size, this is the
99 combined cost of COND, JUMP and the costs for THEN_BB and ELSE_BB. 99 combined cost of COND, JUMP and the costs for THEN_BB and ELSE_BB.
100 When optimizing for speed, we use the costs of COND plus the minimum of 100 When optimizing for speed, we use the costs of COND plus weighted average
101 the costs for THEN_BB and ELSE_BB, as computed in the next field. */ 101 of the costs for THEN_BB and ELSE_BB, as computed in the next field. */
102 unsigned int original_cost; 102 unsigned int original_cost;
103 103
104 /* Maximum permissible cost for the unconditional sequence we should 104 /* Maximum permissible cost for the unconditional sequence we should
105 generate to replace this branch. */ 105 generate to replace this branch. */
106 unsigned int max_seq_cost; 106 unsigned int max_seq_cost;