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Date: Sun, 23 Aug 2015 13:49:00 -0000
Message-ID: <CAH6eHdSA+8CdmC_0jQzcJcJLuy-6UtG365ObjLtU61DrR2iQBg@mail.gmail.com>
Subject: Re: are statically allocated structs always aligned to a machine word on x86/x86_64?
From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: john smith <wempwer@gmail.com>, gcc-help <gcc-help@gcc.gnu.org>
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On 23 August 2015 at 12:05, Segher Boessenkool wrote:
> On Sun, Aug 23, 2015 at 12:15:56AM +0100, Jonathan Wakely wrote:
>> because alignments must be a power of 2.
>
> That is true in C++, but not true in C or even POSIX afaics?

C11 =C2=A76.2.8

"Every valid alignment value shall be a nonnegative integral power of two."