Re: [PATCH] 64-bit obstack support

2014-10-29 Thread Joseph S. Myers
On Wed, 29 Oct 2014, Alan Modra wrote: > And >2G on 32-bit. > [BZ #14483] in the ChangeLog entry. -- Joseph S. Myers jos...@codesourcery.com

Re: [PATCH 0/5] obstacks again

2014-10-29 Thread Joseph S. Myers
>= 4.7 (and it's not clear whether we'd get consensus for such a requirement if proposed). -- Joseph S. Myers jos...@codesourcery.com

Re: update-copyright copyright notice corruption bug

2013-01-02 Thread Joseph S. Myers
pyright testsuite. I don't believe the "no spaces" is required for this bug to show. The corruption also appeared for misc/sys/file.h, for example: -/* Copyright (C) 1991, 92, 96, 97, 98, 99 Free Software Foundation, Inc. +/* Copyright (C) 11999, 20131, 1992-1999 Free Software Found

update-copyright copyright notice corruption bug

2013-01-02 Thread Joseph S. Myers
The GNU C Library is free software; you can redistribute it and/or -- Joseph S. Myers jos...@codesourcery.com/* _hurd_ctty_input -- Do an input RPC and generate SIGTTIN if necessary. Copyright (C) 1995,97,99 Free Software Foundation, Inc. This file is part of the GNU C Library. The

Use size_t instead of int for internal variables in glob (bug 14621)

2012-09-25 Thread Joseph S. Myers
- int old_pathc = pglob->gl_pathc; + size_t old_pathc = pglob->gl_pathc; int orig_flags = flags; if (meta & 2) -- Joseph S. Myers jos...@codesourcery.com

Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

2007-01-01 Thread Joseph S. Myers
than using -fno-strict-aliasing globally: you can use unions or the may_alias attribute.) -- Joseph S. Myers [EMAIL PROTECTED]

Re: GCC optimizes integer overflow: bug or feature?

2006-12-21 Thread Joseph S. Myers
t; and non-front-end code can't use flag_isoc99 since it isn't available in non-C-family front ends. -- Joseph S. Myers [EMAIL PROTECTED]

Re: GCC optimizes integer overflow: bug or feature?

2006-12-21 Thread Joseph S. Myers
ing-point conversions don't have the same scope as integer arithmetic for useful optimization based on undefined behavior.) -- Joseph S. Myers [EMAIL PROTECTED]

Re: GCC optimizes integer overflow: bug or feature?

2006-12-19 Thread Joseph S. Myers
hat this optimization was fixed to apply only to signed types and not unsigned types as well). But if you wrap, (INT_MIN*2)/2 would be 0 not INT_MIN, for example. -- Joseph S. Myers [EMAIL PROTECTED]

Re: GCC optimizes integer overflow: bug or feature?

2006-12-19 Thread Joseph S. Myers
e assume wraparound signed > integer arithmetic a la Java and LIA-1. What else can we do, > realistically? Convert to unsigned and do the overflow tests using unsigned arithmetic. Encapsulate reliable overflow checks for the various arithmetic operations and types in functions or macros in gnulib (for long long multiply, in this case). -- Joseph S. Myers [EMAIL PROTECTED]

Re: GCC optimizes integer overflow: bug or feature?

2006-12-19 Thread Joseph S. Myers
(a*2)/2 on the basis of overflow being undefined for a very long time, not just loops. -- Joseph S. Myers [EMAIL PROTECTED]