[Bug middle-end/51258] 64-bit gcc.dg/atomic-compare-exchange-5.c link failure on 32-bit Solaris/x86

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51258

--- Comment #5 from Uros Bizjak <ubizjak at gmail dot com> 2011-11-22 18:52:56 UTC ---
(In reply to comment #4)

> so something in the config/i386/sync.md file must be wrong for a 32 bit
> compiler which specifies -m64.  It does not set up the optab table for a TI
> mode compare_and_swap.

-mcx16 ?