[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: |
Richard Kenner |
Subject: |
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..." |
Date: |
Tue, 02 Jan 2007 10:31:12 EST |
> We do that with -fstrict-aliasing, which also changes language semantics.
Well, yes, but not quite in the same way. Indeed it's rather hard to
describe in what way it changes the language semantics but easier to
describe the effect it has on optimization. I think -fwrapv is the other
way around.
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", (continued)
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Joseph S. Myers, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Guenther, 2007/01/02
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Guenther, 2007/01/02
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Robert Dewar, 2007/01/02
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...",
Richard Kenner <=
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Guenther, 2007/01/02
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Robert Dewar, 2007/01/02
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Kenner, 2007/01/02
Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Mark Mitchell, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Daniel Berlin, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Mark Mitchell, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Paul Eggert, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Richard Kenner, 2007/01/01
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ...", Joe Buck, 2007/01/02