From: Richard Henderson <rth@twiddle.net>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v5] cutils: Rewrite x86 buffer zero checking
Date: Wed, 14 Sep 2016 08:53:01 -0700 [thread overview]
Message-ID: <347e8eab-c287-c28f-ce10-e0ead809f1fc@twiddle.net> (raw)
In-Reply-To: <6c0a2f11-1799-830e-b947-16878781e667@redhat.com>
On 09/14/2016 01:56 AM, Paolo Bonzini wrote:
>> I was hoping to avoid an extra RELATIVE relocation in the (normal) PIE
>> case.
>
> There would be no relocation for 0 and NULL, right? GCC would actually
> put them in bss, IIRC.
Ah, I now see your complaint.
You'd prefer "type var = INIT" over "type var INIT". In which case, yes, 0 and
NULL work just fine.
r~
prev parent reply other threads:[~2016-09-14 15:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-13 20:57 [Qemu-devel] [PATCH v5] cutils: Rewrite x86 buffer zero checking Richard Henderson
2016-09-13 23:21 ` Paolo Bonzini
2016-09-14 1:11 ` Richard Henderson
2016-09-14 8:56 ` Paolo Bonzini
2016-09-14 15:53 ` Richard Henderson [this message]
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