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From: "Jan Beulich" <JBeulich@novell.com> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, Subject: Re: middle-end/9725: Invalid dependency determination Date: Thu, 20 Feb 2003 07:46:00 -0000 [thread overview] Message-ID: <20030220074601.27931.qmail@sources.redhat.com> (raw) The following reply was made to PR middle-end/9725; it has been noted by GNATS. From: "Jan Beulich" <JBeulich@novell.com> To: <velco@fadata.bg> Cc: <gcc-bugs@gcc.gnu.org>,<gcc-gnats@gcc.gnu.org> Subject: Re: middle-end/9725: Invalid dependency determination Date: Thu, 20 Feb 2003 08:39:50 +0100 Which doesn't work (and possibly doesn't have to as outlined in the other mail, depending on how you interpret the wording of the standard) when used as (&u.s)->f1 = x; (&u.s)->f2 = y; which is (supposedly) equivalent to the use of the . operator... Jan >>> Momchil Velikov <velco@fadata.bg> 19.02.03 22:10:36 >>> >>>>> "Jan" == Jan Beulich <JBeulich@novell.com> writes: Jan> But why is the structure incompatible? Jan> "... an aggregate or union type that includes one of the aforementioned Jan> types among its Jan> members (including, recursively, a member of a subaggregate or Jan> contained union), ..." which means that you example should be coded as struct s { unsigned f1:16; unsigned f2:16; }; void test (unsigned *pf, unsigned x, unsigned y) { union { unsigned f; struct s s; } u; u.s.f1 = x; u.s.f2 = y; *pf = u.f; } ~velco
next reply other threads:[~2003-02-20 7:46 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-02-20 7:46 Jan Beulich [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-02-20 9:06 Momchil Velikov 2003-02-20 8:16 Joseph S. Myers 2003-02-20 8:06 Jan Beulich 2003-02-19 21:16 Momchil Velikov 2003-02-19 17:16 Jan Beulich 2003-02-19 17:16 Wolfgang Bangerth 2003-02-19 17:06 Wolfgang Bangerth 2003-02-17 16:56 Wolfgang Bangerth 2003-02-17 15:48 bangerth 2003-02-17 15:36 jbeulich
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