[PATCH] all: #define __WORDSIZE32_SIZE_ULONG and __WORDSIZE32_PTRDIFF_LONG everywhere

[Yury Norov]

On Thu, Jul 07, 2016 at 12:54:27AM +0200, Andreas Schwab wrote:
> Yury Norov <ynorov@caviumnetworks.com> writes:
> 
> > diff --git a/sysdeps/aarch64/bits/wordsize.h b/sysdeps/aarch64/bits/wordsize.h
> > new file mode 100644
> > index 0000000..8bcbea9
> > --- /dev/null
> > +++ b/sysdeps/aarch64/bits/wordsize.h
> > @@ -0,0 +1,29 @@
> > +/* Determine the wordsize from the preprocessor defines.
> > +
> > +   Copyright (C) 2016 Free Software Foundation, Inc.
> > +   This file is part of the GNU C Library.
> > +
> > +   The GNU C Library is free software; you can redistribute it and/or
> > +   modify it under the terms of the GNU Lesser General Public
> > +   License as published by the Free Software Foundation; either
> > +   version 2.1 of the License, or (at your option) any later version.
> > +
> > +   The GNU C Library is distributed in the hope that it will be useful,
> > +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> > +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> > +   Lesser General Public License for more details.
> > +
> > +   You should have received a copy of the GNU Lesser General Public
> > +   License along with the GNU C Library; if not, see
> > +   <http://www.gnu.org/licenses/>.  */
> > +
> > +#ifdef __LP64__
> > +# define __WORDSIZE			64
> > +# define __WORDSIZE32_SIZE_ULONG	0
> > +# define __WORDSIZE32_PTRDIFF_LONG	0
> > +#else
> > +# define __WORDSIZE			32
> > +# define __WORDSIZE32_SIZE_ULONG	1
> > +# define __WORDSIZE32_PTRDIFF_LONG	1
> > +#endif
> 
> There should be a comment explaining their meaning.

__WORDSIZE and __WORDSIZE32_SIZE_ULONG are not new macros, so no
description is needed, right?

I don't know much about __WORDSIZE32_PTRDIFF_LONG. Andrew told it's for
some testcases in gcc testsuite.

> > +
> 
> Trailing empty line (in all files).
> 
> Andreas.

Oh, I did it right opposite. Will fix later.

Yury.