From: Linus Torvalds <torvalds@linux-foundation.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Biener <richard.guenther@gmail.com>,
"Uecker, Martin" <Martin.Uecker@med.uni-goettingen.de>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
"amonakov@ispras.ru" <amonakov@ispras.ru>,
"ubizjak@gmail.com" <ubizjak@gmail.com>,
"luto@kernel.org" <luto@kernel.org>,
linux-toolchains@vger.kernel.org, Will Deacon <will@kernel.org>
Subject: Re: Re: typeof and operands in named address spaces
Date: Tue, 17 Nov 2020 11:13:52 -0800 [thread overview]
Message-ID: <CAHk-=wh_kn11vXfi2Ns8E4F0GgmUprQtD-=RnU6Eg+N7coY5gw@mail.gmail.com> (raw)
In-Reply-To: <20201116111056.GA3121378@hirez.programming.kicks-ass.net>
On Mon, Nov 16, 2020 at 3:11 AM Peter Zijlstra <peterz@infradead.org> wrote:
>
> XXX: I've only verified the below actually compiles, I've not verified
> the generated code is actually 'correct'.
Well, it was mainly the arm64 code generation for load-acquire and
store-release that wanted this - so it's really the generated code
that matters.
Will, can you check?
Because:
> +#define __unqual_typeof(type) typeof( (typeof(type))type )
that's certainly a much nicer version than the existing pre-processor
expansion from hell.
Linus
next prev parent reply other threads:[~2020-11-17 19:14 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
2020-11-17 19:13 ` Linus Torvalds [this message]
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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