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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
From: |
Andrew Pinski |
Subject: |
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..." |
Date: |
Fri, 29 Dec 2006 19:47:15 -0500 (EST) |
>
> "Daniel Berlin" <address@hidden> writes:
>
> > Nobody has yet showed that any significant number of
> > programs actually rely on this undefined behavior.
>
> GCC itself relies on wrapv semantics. As does glibc. And
> coreutils. And GNU tar. And Python. I'm sure there are
> many other significant programs. I don't have time to do a
> comprehensive survey right now.
Where does GCC rely on that? I don't see it anywhere?
If you can point out specific spots, please file a bug and
I will go and fix them.
Thanks,
Andrew Pinski
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", (continued)
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Daniel Berlin, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Daniel Berlin, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Robert Dewar, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...",
Andrew Pinski <=
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Kenner, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Robert Dewar, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Kenner, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Robert Dewar, 2006/12/30
- RE: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Dave Korn, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2006/12/31
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Bernd Schmidt, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Kenner, 2006/12/30