[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
From: |
Andreas Schwab |
Subject: |
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..." |
Date: |
Sun, 31 Dec 2006 11:02:55 +0100 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.91 (gnu/linux) |
Bernd Schmidt <address@hidden> writes:
> I must admit I don't know what an integer with padding bits would look
> like. Can someone check what the C standard has to say about the bit-not
> operator?
All arithmethic operations operate only on the value bits and ignore the
padding bits.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", (continued)
- 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 ...", Richard Kenner, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Guenther, 2006/12/31
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/31
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Guenther, 2006/12/31
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 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 ...",
Andreas Schwab <=
- 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 ...", Paul Eggert, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Andrew Pinski, 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 ...", Florian Weimer, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard B. Kreckel, 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 ...", Andreas Büning, 2006/12/30
- 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 Guenther, 2006/12/29