From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Guillaume Oberlé" <goberle@ygg.tf>
Cc: Sparse Mailing-list <linux-sparse@vger.kernel.org>
Subject: Re: preop expression and variable
Date: Fri, 21 Mar 2014 11:13:13 -0700 [thread overview]
Message-ID: <CA+55aFxCVVdvrMRhOsmvAU-DqWQ8DRFBNohFWvn4HodHXA0U_A@mail.gmail.com> (raw)
In-Reply-To: <22AE7E9E-932B-4E83-9DE1-CE82FD140CDF@ygg.tf>
On Fri, Mar 21, 2014 at 4:02 AM, Guillaume Oberlé <goberle@ygg.tf> wrote:
>
> If you look at the output (l117 or l133), I have a PreopExpression before every variable in an expression statement, even if I have no preoperator.
You need to look at what the op is too, not just the type.
I assume you're talking about EXPR_PREOP-'*'. That's a dereference
("lvalue access"). And yes, it's required. A symbol on its own is
just the address or the symbol. Actually *accessing* that symbol is
that PREOP-*.
Lnus
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prev parent reply other threads:[~2014-03-21 18:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-21 11:02 preop expression and variable Guillaume Oberlé
2014-03-21 18:13 ` Linus Torvalds [this message]
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