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[Bug target/38736] [4.4 Regression] -mavx can change the ABI via BIGGEST_ALIGNMENT
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jan 2009 02:50:50 -0000
- Subject: [Bug target/38736] [4.4 Regression] -mavx can change the ABI via BIGGEST_ALIGNMENT
- References: <bug-38736-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from hjl dot tools at gmail dot com 2009-01-07 02:50 -------
(In reply to comment #5)
> More places with BIGGEST_ALIGN:
> $ grep -r "(aligned)" .|grep attribute|grep -v testsuite|grep -v texi
> ./libstdc++-v3/libsupc++/eh_alloc.cc:typedef char
> one_buffer[EMERGENCY_OBJ_SIZE] __attribute__((aligned));
> ./libjava/exception.cc: char end[0] __attribute__((aligned));
> ./libjava/exception.cc: __attribute__((aligned));
> ./gcc/unwind-sjlj.c: jmp_buf jbuf __attribute__((aligned));
>
Will they cause problems if __attribute__((aligned)) is changed by -mavx?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38736