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From: Hagen Last <hagen@equator.com> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, Subject: Re: c/9932: alignment of long long in struct seems to be wrong Date: Tue, 04 Mar 2003 18:06:00 -0000 [thread overview] Message-ID: <20030304180601.32097.qmail@sources.redhat.com> (raw) The following reply was made to PR c/9932; it has been noted by GNATS. From: Hagen Last <hagen@equator.com> To: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org, hagen@equator.com, gcc-prs@gcc.gnu.org Cc: Subject: Re: c/9932: alignment of long long in struct seems to be wrong Date: 04 Mar 2003 09:39:11 -0800 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9932 I don't know if there is a formal specification for the correct alignment of 64-bit data types on x86 linux. I think that's up to the compiler (I was actually told by one of our compiler guys that I should not assume anything about alignment of data types). But from what I understand structs must be aligned to the largest alignment of its members. So, if the alignment of a 64-bit type is 8 (for a specific compiler) then it must also align a struct that has a member of this data type to (at least) 8. Hagen.
next reply other threads:[~2003-03-04 18:06 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-03-04 18:06 Hagen Last [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-03-16 8:31 rth 2003-03-04 15:30 bangerth
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