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[Bug malloc/6527] Malloc alignment insufficient for PowerPC


http://sourceware.org/bugzilla/show_bug.cgi?id=6527

--- Comment #4 from Joseph Myers <jsm28 at gcc dot gnu.org> 2013-01-09 21:22:04 UTC ---
I think in fact such a change should be made for 32-bit x86 as well, if we can
find a way to do it without breaking existing emacs binaries, because the
alignment requirement of _Decimal128 is 16-byte on 32-bit x86, and decimal
floating-point is defined in terms of standard types added to the C set.

(32-bit x86 would need a separate MALLOC_ALIGNMENT definition because
_Decimal128 isn't a type malloc.c considers when working out the required
alignment, and most architectures don't support it.)

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