http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58330
Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
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CC| |amodra at gmail dot com
--- Comment #2 from Alan Modra <amodra at gmail dot com> ---
I think this is a backend problem, specifically with bswapdi2_64bit accepting a
DImode mem then splitting to two SImode.
Potential fix is to add
&& !(MEM_P (operands[0]) && MEM_VOLATILE_P (operands[0]))
&& !(MEM_P (operands[1]) && MEM_VOLATILE_P (operands[1]))
to the insn condition.