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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/63991] redundant read when write to volatile member of packed structure Date: Sat, 22 Nov 2014 11:58:00 -0000 [thread overview] Message-ID: <bug-63991-4-xtZwYbWRWp@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-63991-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63991 --- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- It looks like -fpack-struct cannot be used when -fstrict-volatile-bitfields is in effect, i.e. on ARM EABI. As for unaligned volatile fields on strict-alignment targets, they clearly ask for trouble. Simply do not use -fpack-struct.
prev parent reply other threads:[~2014-11-22 11:58 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-20 11:07 [Bug c/63991] New: " potrepalov@asc-ural.ru 2014-11-20 12:06 ` [Bug middle-end/63991] " rguenth at gcc dot gnu.org 2014-11-22 11:58 ` ebotcazou at gcc dot gnu.org [this message]
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