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[Bug libc/14117] Use the same set of header files for x86-64 and i386


http://sourceware.org/bugzilla/show_bug.cgi?id=14117

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |14050

--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-05-16 18:46:42 UTC ---
In general this will make x86 use the existing x86_64 headers - but each will
need individually comparing with the headers currently used on x86 to make sure
that any differences in what -m32 code gets are correct changes, not
regressions.

In particular, the mathinline differences (bug 14050) will need fixing.

As another difference, only 32-bit glibc installs the sys/vm86.h header; x86_64
glibc also needs to install this header (but the header should probably #error
if __x86_64__).

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