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Re: Where does C standard mention alignment requirements as written in gcc manual?
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: john smith <wempwer at gmail dot com>
- Cc: gcc-help at gcc dot gnu dot org
- Date: Tue, 18 Aug 2015 10:50:42 -0500
- Subject: Re: Where does C standard mention alignment requirements as written in gcc manual?
- Authentication-results: sourceware.org; auth=none
- References: <CAKmQUfai7NdLwiQRQ-0Nd4biPjyBgMp46K3WhO7xOn=Oi4zLLw at mail dot gmail dot com>
On Tue, Aug 18, 2015 at 05:04:28PM +0200, john smith wrote:
> In gcc manual it says:
>
> "Note that the alignment of any given struct or union type is required
> by the ISO C standard to be at least a perfect multiple of the lowest
> common multiple of the alignments of all of the members of the struct
> or union in question."
>
> Where exactly is this requirement mentioned in C standard? I was
> looking for it in both C99 and C11 drafts and couldn't find it.
C99 6.7.2.1/12 ?
Segher