Generate from machine description:
a series of #define statements, one for each constant named in
a (define_constants ...) pattern.
Copyright (C) 1987-2024 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
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This program does not use gensupport.cc because it does not need to
look at insn patterns, only (define_constants), and we want to
minimize dependencies.
Called via traverse_md_constants; emit a #define for
the current constant definition.
Referenced by main().