[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: |
Gabriel Dos Reis |
Subject: |
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..." |
Date: |
31 Dec 2006 19:55:57 +0100 |
Paul Eggert <address@hidden> writes:
| > In that case, we should make the Autoconf change optional.
| > I'll propose a further patch along those lines.
|
| OK, here's that proposed patch to Autoconf. Also, this patch attempts
| to discuss the matter better in the documentation. The documentation
| was by far the hardest part of the patch to write, and I'd appreciate
| any comments/reviews for it.
To the attention of the Steering Committee.
Additional data: the the C++ runtime support assumes and publishes
wrapping semantics for signed integer arithmetic overflow. This can
be seen from numeric_limits<T>::is_modulo.
This has been so for about half a decade now (sorry I don't have the exact
dates).
-- Gaby
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", (continued)
- 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 ...", Bruce Korb, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Seongbae Park, 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 ...", Seongbae Park, 2006/12/30
- 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 ...", Kaveh R. GHAZI, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Kaveh R. GHAZI, 2006/12/30
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Scott Robert Ladd, 2006/12/29
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...",
Gabriel Dos Reis <=
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 ...", 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 ...", Paul Eggert, 2006/12/31
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Joe Buck, 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 Kenner, 2006/12/31
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Gabriel Dos Reis, 2006/12/31