From: Peter Zijlstra <peterz@infradead.org>
To: "Uecker, Martin" <Martin.Uecker@med.uni-goettingen.de>
Cc: "richard.guenther@gmail.com" <richard.guenther@gmail.com>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
"ubizjak@gmail.com" <ubizjak@gmail.com>,
"will@kernel.org" <will@kernel.org>,
"luto@kernel.org" <luto@kernel.org>,
"amonakov@ispras.ru" <amonakov@ispras.ru>,
"linux-toolchains@vger.kernel.org"
<linux-toolchains@vger.kernel.org>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>
Subject: Re: Re: typeof and operands in named address spaces
Date: Mon, 16 Nov 2020 14:07:26 +0100 [thread overview]
Message-ID: <20201116130726.GD3121392@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <d6713ba83e91046f32cc1db93277e2f627d04c34.camel@med.uni-goettingen.de>
On Mon, Nov 16, 2020 at 12:23:17PM +0000, Uecker, Martin wrote:
> > > > Another way to drop qualifiers is using a cast. So you
> > > > can use typeof twice:
> > > >
> > > > typeof((typeof(_var))_var) tmp__;
> > > >
> > > > This also works for non-scalars but this is a GCC extension.
>
> (That casts drop qualifiers is standard C. The extensions
> are 'typeof' and that casts can be used for non-scalar types.)
Ah, I'll clarify. Thanks!
next prev parent reply other threads:[~2020-11-16 13:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-15 10:51 Uecker, Martin
2020-11-16 9:11 ` Richard Biener
2020-11-16 11:10 ` Peter Zijlstra
2020-11-16 11:23 ` Peter Zijlstra
2020-11-16 12:23 ` Uecker, Martin
2020-11-16 13:07 ` Peter Zijlstra [this message]
2020-11-17 19:13 ` Linus Torvalds
2020-11-17 19:25 ` Jakub Jelinek
2020-11-17 19:31 ` Linus Torvalds
2020-11-17 21:10 ` Will Deacon
2020-11-17 22:15 ` Will Deacon
2020-11-17 21:23 ` Uecker, Martin
2020-11-17 19:47 ` Linus Torvalds
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